/* roulang page: index */
:root {
            --bg-canvas: #F4F7FD;
            --surface: #FFFFFF;
            --surface-soft: #EAF2FF;
            --surface-mist: #F7FAFF;
            --brand: #2E6BE6;
            --brand-deep: #174FC4;
            --brand-soft: #E7F0FF;
            --ink: #102A54;
            --body-text: #334A6E;
            --muted: #5B6F8F;
            --line: #E2E9F3;
            --border-soft: #E1E9F5;
            --green: #17B68C;
            --orange: #FFA63E;
            --navy: #0D2B52;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(24, 60, 120, 0.06);
            --shadow-md: 0 12px 30px rgba(24, 60, 120, 0.10);
            --shadow-lg: 0 14px 34px rgba(24, 60, 120, 0.12);
            --font-body: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Inter", sans-serif;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg-canvas);
            color: var(--body-text);
            font-family: var(--font-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--brand);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--brand-deep);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .main-wrap {
            margin-left: 248px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .page-body {
            flex: 1;
            padding: 24px 32px 60px;
        }
        .content-box {
            max-width: 1180px;
            margin: 0 auto;
        }

        /* Buttons */
        .btn {
            border-radius: var(--radius-pill);
            padding: 0 28px;
            height: 50px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 1px solid transparent;
            transition: all 0.22s ease;
            white-space: nowrap;
        }
        .btn-main {
            background: var(--brand);
            color: #ffffff;
            border-color: var(--brand);
        }
        .btn-main:hover {
            background: var(--brand-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(46, 107, 230, 0.26);
        }
        .btn-ghost-light {
            background: #fff;
            color: var(--brand);
            border-color: var(--brand);
        }
        .btn-ghost-light:hover {
            background: var(--brand-soft);
            color: var(--brand-deep);
            border-color: var(--brand-deep);
        }
        .btn-soft {
            background: var(--brand-soft);
            color: var(--brand-deep);
            border-color: transparent;
        }
        .btn-soft:hover {
            background: #dceaff;
            color: var(--brand-deep);
        }
        .btn-white {
            background: #fff;
            color: var(--navy);
            border-color: transparent;
        }
        .btn-white:hover {
            background: #dbe9ff;
            color: var(--brand-deep);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16);
        }
        .btn-sm {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        /* App sidebar */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 248px;
            height: 100vh;
            background: var(--surface);
            border-right: 1px solid var(--border-soft);
            display: flex;
            flex-direction: column;
            z-index: 1090;
            padding: 0 16px;
            transition: transform 0.3s ease;
        }
        .sidebar-brand {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 6px;
            border-bottom: 1px solid #eef2fa;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            flex: none;
            border-radius: 14px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(140deg, #3A7BF5, #174FC4);
            box-shadow: 0 6px 16px rgba(23, 79, 196, 0.24);
            font-size: 19px;
        }
        .brand-icon svg {
            width: 22px;
            height: 22px;
        }
        .brand-text {
            display: block;
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: 0.2px;
            line-height: 1.35;
            min-width: 0;
        }
        .brand-text small {
            display: block;
            font-size: 11px;
            color: var(--muted);
            font-weight: 500;
            margin-top: 1px;
        }
        .sidebar-nav {
            flex: 1;
            padding: 20px 0 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-link-side {
            height: 46px;
            padding: 0 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            border-radius: 14px;
            color: var(--muted);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            transition: all 0.2s ease;
        }
        .nav-link-side:hover {
            background: var(--surface-mist);
            color: var(--brand);
        }
        .nav-link-side.active {
            background: var(--brand-soft);
            color: var(--brand-deep);
            font-weight: 600;
        }
        .nav-link-side i {
            width: 20px;
            text-align: center;
            font-size: 17px;
            opacity: 0.9;
        }
        .side-feature-card {
            margin: 0 0 16px;
            padding: 16px;
            background: linear-gradient(145deg, #F8FBFF, #EFF5FF);
            border: 1px dashed #CDDDF5;
            border-radius: 16px;
        }
        .side-feature-card h4 {
            margin: 0 0 6px;
            font-size: 14px;
            color: var(--ink);
            font-weight: 700;
        }
        .side-feature-card p {
            margin: 0 0 10px;
            font-size: 12px;
            color: var(--muted);
            line-height: 1.6;
        }
        .side-feature-card a {
            font-size: 13px;
            font-weight: 600;
        }
        .sidebar-close {
            display: none;
            position: absolute;
            top: 14px;
            right: 12px;
            border: none;
            background: var(--surface-soft);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            z-index: 20;
        }

        /* Top context bar */
        .top-context {
            height: 64px;
            border-bottom: 1px solid var(--line);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(12px);
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .top-context-inner {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 0 32px;
        }
        .breadcrumb-simple {
            color: var(--muted);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-simple a {
            color: var(--muted);
            font-weight: 500;
        }
        .breadcrumb-simple a:hover {
            color: var(--brand);
        }
        .breadcrumb-simple span {
            color: #99A8BF;
        }
        .top-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-top {
            background: #fff;
            border: 1px solid var(--line);
            height: 42px;
            width: 238px;
            border-radius: var(--radius-pill);
            display: flex;
            align-items: center;
            padding: 0 6px 0 14px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .search-top:focus-within {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(46, 107, 230, 0.10);
        }
        .search-top svg {
            width: 17px;
            height: 17px;
            color: var(--muted);
            flex: none;
        }
        .search-top input {
            border: none;
            outline: none;
            flex: 1;
            background: transparent;
            height: 100%;
            padding: 0 8px;
            font-size: 14px;
            color: var(--ink);
        }
        .search-top button {
            border: none;
            background: var(--brand);
            color: #fff;
            height: 30px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s;
            flex: none;
        }
        .search-top button:hover {
            background: var(--brand-deep);
        }

        /* Mobile topbar */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            height: 64px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            z-index: 1060;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .m-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            font-weight: 700;
            font-size: 16px;
        }
        .m-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 11px;
        }
        .mobile-open-btn {
            width: 42px;
            height: 42px;
            border: 1px solid var(--line);
            background: #fff;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            cursor: pointer;
        }
        .side-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(7, 19, 43, 0.42);
            z-index: 1080;
        }

        /* Hero */
        .hero-panel {
            border-radius: var(--radius-lg);
            background:
                linear-gradient(100deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.84) 38%, rgba(255, 255, 255, 0.54) 100%),
                url("/assets/images/backpic/back-1.png") right top / cover no-repeat;
            border: 1px solid #DFE8F6;
            padding: 52px 52px 48px;
            margin-bottom: 32px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .hero-inner {
            display: grid;
            grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
            gap: 36px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--surface-soft);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        .hero-eyebrow i {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--green);
        }
        .hero-title {
            margin: 0 0 18px;
            font-size: 44px;
            line-height: 1.24;
            letter-spacing: -0.4px;
            color: var(--ink);
            font-weight: 800;
            max-width: 620px;
        }
        .hero-title span {
            color: var(--brand);
        }
        .hero-sub {
            margin: 0 0 24px;
            font-size: 17px;
            line-height: 1.8;
            color: var(--body-text);
            max-width: 560px;
        }
        .hero-search {
            max-width: 520px;
            background: #fff;
            border-radius: 999px;
            border: 1px solid var(--line);
            height: 54px;
            padding: 5px 5px 5px 18px;
            display: flex;
            align-items: center;
            box-shadow: 0 6px 20px rgba(24, 60, 120, 0.08);
            margin-bottom: 22px;
        }
        .hero-search svg {
            width: 18px;
            height: 18px;
            color: var(--muted);
            margin-right: 6px;
        }
        .hero-search input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            height: 100%;
            font-size: 15px;
            color: var(--ink);
        }
        .hero-search button {
            height: 44px;
            border: none;
            background: var(--brand);
            color: #fff;
            padding: 0 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s;
        }
        .hero-search button:hover {
            background: var(--brand-deep);
        }
        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 12px;
        }
        .hero-safety {
            font-size: 12px;
            color: var(--muted);
        }
        .hero-visual {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-box {
            width: 100%;
            min-height: 318px;
            border-radius: 22px;
            background: linear-gradient(160deg, #DDEBFF, #F8FBFF), url("/assets/images/coverpic/cover-1.webp") center/cover no-repeat;
            background-blend-mode: multiply;
            border: 1px solid rgba(255, 255, 255, 0.9);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .hero-visual-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            opacity: 0.65;
        }
        .hero-float-card {
            position: absolute;
            background: rgba(255, 255, 255, 0.92);
            border-radius: 16px;
            padding: 12px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            box-shadow: var(--shadow-md);
            border: 1px solid #e7eef9;
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-float-card.item-a {
            top: 12%;
            left: -14px;
        }
        .hero-float-card.item-b {
            right: 8px;
            bottom: 8%;
        }
        .hero-float-card .fl-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--green);
        }

        /* Section header */
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }
        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--ink);
            margin: 0;
            line-height: 1.3;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.16em;
            width: 6px;
            height: 0.76em;
            background: var(--brand);
            border-radius: 8px;
        }
        .section-desc {
            color: var(--muted);
            font-size: 15px;
            margin-top: 8px;
            max-width: 620px;
        }
        .text-link-all {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            flex: none;
        }
        .text-link-all:hover {
            color: var(--brand-deep);
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .section-block {
            margin-bottom: 72px;
        }

        /* Stats bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 22px 10px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .stats-item {
            padding: 12px 20px;
            position: relative;
        }
        .stats-item + .stats-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 18px;
            bottom: 18px;
            width: 1px;
            background: var(--line);
        }
        .stats-item b {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 25px;
            font-weight: 800;
            color: var(--ink);
        }
        .stats-item b i {
            display: inline-block;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--green);
            box-shadow: 0 0 0 4px rgba(23, 182, 140, 0.12);
        }
        .stats-item span {
            display: block;
            font-size: 13px;
            color: var(--muted);
            margin-top: 3px;
        }

        /* Hot pick cards */
        .hot-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
            gap: 20px;
        }
        .pick-hero-card {
            border-radius: 18px;
            background: #fff;
            border: 1px solid var(--line);
            overflow: hidden;
            min-height: 100%;
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease;
        }
        .pick-hero-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .pick-hero-media {
            height: 228px;
            background: #EAF2FF;
            overflow: hidden;
            position: relative;
        }
        .pick-hero-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .pick-hero-card:hover .pick-hero-media img {
            transform: scale(1.03);
        }
        .pick-hero-body {
            padding: 22px 24px 26px;
        }
        .pick-hero-body .card-tag {
            display: inline-block;
            background: var(--brand-soft);
            color: var(--brand-deep);
            font-size: 12px;
            font-weight: 600;
            height: 26px;
            line-height: 26px;
            padding: 0 12px;
            border-radius: 8px;
            margin-bottom: 10px;
        }
        .pick-hero-body h3 {
            font-size: 21px;
            margin: 0 0 8px;
            color: var(--ink);
            font-weight: 700;
            line-height: 1.4;
        }
        .pick-hero-body p {
            margin: 0 0 16px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }
        .pick-mini-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }
        .pick-mini {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .24s ease;
            display: flex;
            flex-direction: column;
        }
        .pick-mini:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .pick-mini-media {
            height: 128px;
            overflow: hidden;
            background: #eef3fb;
        }
        .pick-mini-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .pick-mini-body {
            padding: 16px 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .pick-mini-body h4 {
            margin: 0 0 6px;
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.45;
        }
        .pick-mini-body p {
            margin: 0 0 12px;
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
        }
        .card-more {
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
        }
        .card-more:hover {
            color: var(--brand-deep);
            text-decoration: underline;
        }

        /* Categories tiles */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 24px 22px 22px;
            position: relative;
            transition: all .24s ease;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .topic-card::after {
            content: "";
            position: absolute;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: var(--brand-soft);
            right: -34px;
            top: -34px;
            opacity: 0.7;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #C7D8F6;
        }
        .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--surface-soft);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }
        .topic-icon svg {
            width: 23px;
            height: 23px;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .topic-card .topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            position: relative;
            z-index: 1;
        }
        .topic-link:hover {
            text-decoration: underline;
        }

        /* Reviews */
        .review-wrap {
            padding-top: 20px;
        }
        .review-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 24px 24px 20px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: transform .24s ease, box-shadow .24s ease;
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .review-stars {
            display: flex;
            gap: 3px;
            color: #F9B230;
            font-size: 15px;
            line-height: 1;
            margin-bottom: 14px;
        }
        .review-card p {
            font-size: 14px;
            color: var(--body-text);
            line-height: 1.8;
            margin: 0 0 18px;
            flex: 1;
        }
        .review-person {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .avatar-dot {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(46, 107, 230, 0.20);
            color: var(--brand-deep);
            display: grid;
            place-items: center;
            font-size: 16px;
            font-weight: 700;
            flex: none;
        }
        .review-person strong {
            color: var(--ink);
            font-size: 15px;
            display: block;
            line-height: 1.3;
        }
        .review-person small {
            color: var(--muted);
            font-size: 12px;
        }
        .carousel-control-prev,
        .carousel-control-next {
            width: 42px;
            height: 42px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 50%;
            opacity: 1;
            top: 50%;
            transform: translateY(-50%);
            box-shadow: var(--shadow-sm);
            color: var(--brand);
            z-index: 5;
        }
        .carousel-control-prev {
            left: -58px;
        }
        .carousel-control-next {
            right: -58px;
        }
        .carousel-control-prev:hover,
        .carousel-control-next:hover {
            background: var(--brand-soft);
            border-color: transparent;
            opacity: 1;
        }
        .review-carousel {
            padding: 0 4px;
        }
        .review-carousel .carousel-inner {
            overflow: visible;
        }
        .review-carousel .carousel-item {
            transition: transform .45s ease;
        }
        .review-dots {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 26px;
        }
        .carousel-indicators {
            position: static;
            margin: 24px 0 0;
            display: flex;
            gap: 7px;
            justify-content: center;
        }
        .carousel-indicators [data-bs-target] {
            width: 7px;
            height: 7px;
            border-radius: 99px;
            background: #C4D4EA;
            border: 0;
            opacity: 1;
            margin: 0;
            transition: all .25s;
        }
        .carousel-indicators .active {
            background: var(--brand);
            width: 20px;
        }

        /* Guarantee bar */
        .guarantee-bar {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .guarantee-item {
            padding: 26px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .guarantee-item + .guarantee-item {
            border-left: 1px solid #D8E3F2;
        }
        .guarantee-icon {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: var(--surface-soft);
            display: grid;
            place-items: center;
            color: var(--brand);
            flex: none;
        }
        .guarantee-icon svg {
            width: 20px;
            height: 20px;
        }
        .guarantee-item strong {
            display: block;
            color: var(--ink);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .guarantee-item span {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* CTA */
        .cta-section {
            border-radius: var(--radius-lg);
            background-color: var(--navy);
            background-image:
                linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 70%),
                url("/assets/images/backpic/back-3.png");
            background-position: right center;
            background-repeat: no-repeat;
            background-size: cover;
            padding: 48px 76px;
            color: #fff;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            background: linear-gradient(100deg, rgba(13, 43, 82, 0.96) 40%, rgba(13, 43, 82, 0.62) 100%);
        }
        .cta-copy {
            position: relative;
            z-index: 2;
            max-width: 620px;
        }
        .cta-copy h2 {
            margin: 0 0 10px;
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
        }
        .cta-copy p {
            margin: 0;
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            line-height: 1.8;
        }
        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* CMS Feed */
        .latest-panel {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 12px 20px;
            box-shadow: var(--shadow-sm);
        }
        .feed-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 18px 6px;
            border-bottom: 1px solid #edf1f9;
            transition: background .18s ease;
            position: relative;
        }
        .feed-item:last-child {
            border-bottom: none;
        }
        .feed-item:hover {
            background: #FBFDFF;
        }
        .feed-meta {
            width: 120px;
            flex: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .feed-cat {
            display: inline-block;
            width: max-content;
            background: var(--surface-soft);
            color: var(--brand-deep);
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 999px;
        }
        .feed-date {
            font-size: 12px;
            color: var(--muted);
        }
        .feed-main {
            flex: 1;
            min-width: 0;
        }
        .feed-main h3 {
            margin: 0 0 4px;
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.45;
        }
        .feed-main p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.65;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
        }
        .feed-arrow {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--surface-mist);
            border: 1px solid var(--line);
            color: var(--brand);
            display: grid;
            place-items: center;
            flex: none;
            transition: all .2s ease;
        }
        .feed-item:hover .feed-arrow {
            background: var(--brand);
            color: #fff;
            border-color: var(--brand);
            transform: translateX(2px);
        }
        .empty-latest-box {
            text-align: center;
            padding: 56px 20px;
            color: var(--muted);
        }
        .empty-latest-box .empty-ic {
            font-size: 30px;
            margin-bottom: 10px;
        }

        /* Footer */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--line);
            padding: 52px 32px 24px;
        }
        .footer-inner {
            max-width: 1180px;
            margin: 0 auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
            gap: 44px;
            padding-bottom: 38px;
            border-bottom: 1px solid var(--line);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-text {
            font-size: 17px;
        }
        .footer-desc {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 16px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 14px;
        }
        .footer-nav {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-nav a {
            color: var(--muted);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-nav a:hover {
            color: var(--brand);
        }
        .footer-contact {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 12px;
            align-items: center;
            padding-top: 20px;
            color: #92A1B9;
            font-size: 13px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: #92A1B9;
        }
        .footer-bottom a:hover {
            color: var(--brand);
        }

        /* Topic link content */
        .info-display {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .info-large-panel {
            border-radius: 18px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--line);
            min-height: 320px;
            position: relative;
            display: block;
            box-shadow: var(--shadow-sm);
        }
        .info-large-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            position: absolute;
            inset: 0;
        }
        .info-large-panel .info-mask {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 34px 26px 22px;
            background: linear-gradient(180deg, transparent, rgba(8, 28, 62, 0.88));
            color: #fff;
        }
        .info-large-panel .info-mask span {
            font-size: 13px;
            background: rgba(255, 255, 255, 0.18);
            padding: 3px 12px;
            border-radius: 999px;
            display: inline-block;
            margin-bottom: 8px;
            backdrop-filter: blur(6px);
        }
        .info-large-panel .info-mask strong {
            font-size: 23px;
            line-height: 1.4;
            display: block;
        }
        .info-side-col {
            display: grid;
            gap: 14px;
        }
        .info-row-card {
            display: flex;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--line);
            padding: 12px;
            gap: 14px;
            box-shadow: var(--shadow-sm);
            transition: all .22s ease;
        }
        .info-row-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #CFDCF2;
        }
        .info-row-thumb {
            width: 140px;
            flex: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100px;
            background: #eef3fb;
        }
        .info-row-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-row-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding-right: 6px;
        }
        .info-row-body h4 {
            font-size: 16px;
            color: var(--ink);
            margin: 0 0 5px;
            font-weight: 700;
            line-height: 1.4;
        }
        .info-row-body p {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 8px;
            line-height: 1.55;
        }
        .info-row-body .tagline {
            font-size: 13px;
            color: var(--brand);
            font-weight: 600;
        }

        /* FAQ */
        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 6px 22px;
            margin-bottom: 12px;
            transition: box-shadow .2s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            padding: 14px 0;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "";
            width: 10px;
            height: 10px;
            border-right: 2px solid var(--muted);
            border-bottom: 2px solid var(--muted);
            transform: rotate(45deg);
            transition: transform .2s;
            flex: none;
            margin-right: 6px;
        }
        .faq-item[open] summary::after {
            transform: rotate(225deg);
            margin-top: 4px;
        }
        .faq-answer {
            padding: 0 0 18px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }

        /* mobile */
        @media (max-width: 1399px) {
            .content-box {
                max-width: 1060px;
            }
        }
        @media (max-width: 1199px) {
            .page-body {
                padding-left: 22px;
                padding-right: 22px;
            }
            .carousel-control-prev {
                left: -30px;
            }
            .carousel-control-next {
                right: -30px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .pick-hero-media {
                height: 265px;
            }
        }
        @media (max-width: 991px) {
            .app-sidebar {
                transform: translateX(-102%);
                box-shadow: var(--shadow-lg);
            }
            body.sidebar-open .app-sidebar {
                transform: translateX(0);
            }
            body.sidebar-open .side-backdrop {
                display: block;
            }
            .sidebar-close {
                display: inline-flex;
            }
            .main-wrap {
                margin-left: 0;
            }
            .top-context {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-body {
                padding: 18px 18px 48px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-item:nth-child(3) {
                border-left: none;
                border-top: 1px solid #D8E3F2;
            }
            .guarantee-item:nth-child(4) {
                border-top: 1px solid #D8E3F2;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 8px;
            }
            .stats-item + .stats-item::before {
                display: none;
            }
            .stats-item:nth-child(even) {
                border-left: 1px solid var(--line);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-visual {
                min-height: 220px;
                max-width: 480px;
            }
            .hero-visual-box {
                min-height: 240px;
            }
            .hero-panel {
                padding: 34px 28px 30px;
            }
            .hero-title {
                font-size: 36px;
            }
            .review-carousel .carousel-control-prev,
            .review-carousel .carousel-control-next {
                display: none;
            }
            .cta-section {
                flex-direction: column;
                text-align: center;
                padding: 40px 32px;
            }
            .cta-copy {
                margin: 0 auto;
            }
            .cta-actions {
                justify-content: center;
            }
        }
        @media (max-width: 767px) {
            .section-head {
                align-items: flex-start;
                flex-direction: column;
            }
            .section-title {
                font-size: 26px;
            }
            .pick-mini-list {
                grid-template-columns: 1fr;
            }
            .pot-section {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-bar {
                grid-template-columns: 1fr;
            }
            .guarantee-item + .guarantee-item {
                border-left: none;
                border-top: 1px solid #D8E3F2;
            }
            .guarantee-item {
                padding: 20px 16px;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .stats-item:nth-child(even) {
                border-left: 0;
            }
            .info-display {
                grid-template-columns: 1fr;
            }
            .info-row-thumb {
                width: 112px;
            }
            .feed-item {
                align-items: flex-start;
                gap: 12px;
                flex-direction: column;
            }
            .feed-meta {
                width: 100%;
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
            .hero-search {
                height: auto;
                flex-wrap: wrap;
                padding: 8px;
                border-radius: 18px;
            }
            .hero-search input {
                width: 100%;
                height: 42px;
                padding: 0 8px;
            }
            .hero-search button {
                width: 100%;
                height: 42px;
                cursor: pointer;
            }
            .hero-title {
                font-size: 31px;
            }
            .cta-section {
                padding: 34px 20px;
            }
            .cta-copy h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
            }
            .page-body {
                padding: 14px 12px 40px;
            }
            .content-box {
                padding: 0 4px;
            }
            .mobile-topbar {
                padding: 0 12px;
            }
        }
        @media (max-width: 400px) {
            .hero-actions .btn {
                width: 100%;
            }
            .top-actions {
                gap: 6px;
            }
            .info-row-card {
                flex-direction: column;
            }
            .info-row-thumb {
                width: 100%;
                height: 140px;
            }
        }

/* roulang page: category1 */
:root {
  --brand: #2E6BE6;
  --brand-deep: #174FC4;
  --ink: #102A54;
  --muted: #5B6F8F;
  --line: #E2E9F3;
  --bg: #F4F7FD;
  --card: #FFFFFF;
  --soft: #EAF2FF;
  --new: #17B68C;
  --hot: #FFA63E;
  --radius: 16px;
  --shadow-sm: 0 4px 16px rgba(24, 60, 120, 0.06);
  --shadow-lg: 0 14px 34px rgba(24, 60, 120, 0.12);
  --radius-btn: 999px;
  --transition: all 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Inter", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mobile-header {
  display: none;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 248px;
  background: var(--card);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  z-index: 1060;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  height: 72px;
  padding: 0 20px;
  gap: 10px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  flex-shrink: 0;
}

.brand-icon svg {
  width: 22px;
  height: 22px;
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.2px;
  line-height: 1.35;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
}

.nav-area {
  padding: 20px 12px 16px;
  flex: 1;
}

.nav-link-side {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 14px;
  border-radius: 12px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 4px;
  transition: var(--transition);
}

.nav-link-side svg {
  color: var(--muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-link-side:hover {
  background: #F2F6FD;
  color: var(--brand-deep);
}

.nav-link-side:hover svg {
  color: var(--brand);
}

.nav-link-side.active {
  background: var(--soft);
  color: var(--brand);
  font-weight: 600;
}

.nav-link-side.active svg {
  color: var(--brand);
}

.aside-foot {
  padding: 14px 20px 20px;
  flex-shrink: 0;
}

.aside-note {
  border: 1px dashed #C8D8F0;
  background: #F8FBFF;
  border-radius: var(--radius);
  padding: 12px 14px;
  line-height: 1.7;
  font-size: 12px;
  color: var(--muted);
}

.sidebar-backdrop {
  display: none;
}

.sidebar-close {
  display: none;
}

.main-shell {
  margin-left: 248px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.toolbar {
  max-width: 1232px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 36px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
  flex-wrap: wrap;
}

.crumb a {
  color: var(--muted);
  transition: var(--transition);
}

.crumb a:hover {
  color: var(--brand);
}

.crumb .sep {
  color: #B7C5DA;
  font-size: 13px;
}

.crumb .current {
  color: var(--ink);
  font-weight: 600;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.searchbox {
  width: 220px;
  height: 40px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: var(--radius-btn);
  padding: 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.searchbox:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(46, 107, 230, 0.12);
}

.searchbox svg {
  width: 16px;
  height: 16px;
  color: var(--muted);
  flex-shrink: 0;
}

.searchbox input {
  border: 0;
  outline: 0;
  width: 100%;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
}

.searchbox input::placeholder {
  color: #93A4C0;
}

.btn-main,
.btn-ghost,
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  border: 0;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-main {
  background: var(--brand);
  color: #fff;
}

.btn-main:hover {
  background: var(--brand-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(46, 107, 230, 0.25);
  color: #fff;
}

.btn-main:active {
  transform: translateY(0);
}

.btn-ghost {
  background: #fff;
  color: var(--brand);
  border: 1px solid rgba(46, 107, 230, 0.5);
}

.btn-ghost:hover {
  background: #F0F6FF;
  color: var(--brand-deep);
  border-color: transparent;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: #0D2B52;
}

.btn-white:hover {
  background: #E7F0FF;
  color: #0D2B52;
  transform: translateY(-2px);
}

.page-container {
  width: 100%;
  max-width: 1232px;
  margin: 0 auto;
  padding: 8px 36px 40px;
  flex: 1;
}

.category-hero {
  position: relative;
  margin-top: 14px;
  border-radius: 24px;
  min-height: 360px;
  padding: 52px 48px;
  display: flex;
  align-items: center;
  gap: 40px;
  overflow: hidden;
  background-color: var(--soft);
  background-image: linear-gradient(90deg, rgba(234, 242, 255, 0.98) 0%, rgba(234, 242, 255, 0.96) 45%, rgba(234, 242, 255, 0.84) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: right center;
}

.category-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -80px;
  width: 280px;
  height: 280px;
  border: 44px solid rgba(46, 107, 230, 0.04);
  border-radius: 50%;
  pointer-events: none;
}

.category-hero .hero-copy {
  position: relative;
  z-index: 1;
  max-width: 720px;
  flex: 1;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(46, 107, 230, 0.18);
  border-radius: var(--radius-btn);
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 18px;
}

.hero-title {
  font-size: 42px;
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 16px;
  color: var(--ink);
  letter-spacing: 0.2px;
}

.hero-title span {
  color: var(--brand);
}

.hero-sub {
  margin: 0;
  font-size: 17px;
  line-height: 1.8;
  color: #42597E;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-safety {
  margin-top: 18px;
  font-size: 13px;
  color: #7D90AE;
}

.section-block {
  margin-top: 72px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head .section-title {
  margin: 0;
  font-size: 30px;
  line-height: 1.3;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: "";
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--brand);
  display: block;
}

.section-desc {
  color: var(--muted);
  font-size: 16px;
  margin: 8px 0 0 16px;
  max-width: 760px;
}

.wrap-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  transition: var(--transition);
  white-space: nowrap;
}

.wrap-link:hover {
  color: var(--brand-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.channel-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.channel-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(46, 107, 230, 0.3);
}

.channel-card .visual {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: #DEE9F8;
  margin-bottom: 18px;
}

.channel-card .visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.channel-card:hover .visual img {
  transform: scale(1.04);
}

.channel-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  background: var(--soft);
  border-radius: 6px;
  padding: 3px 8px;
  display: inline-block;
  width: fit-content;
  margin-bottom: 10px;
}

.card-title {
  font-size: 19px;
  line-height: 1.45;
  margin: 0 0 10px;
  color: var(--ink);
  font-weight: 600;
}

.channel-card .card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 18px;
  flex: 1;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  transition: var(--transition);
}

.channel-link svg {
  width: 15px;
  height: 15px;
  transition: var(--transition);
}

.channel-link:hover {
  color: var(--brand-deep);
}

.channel-link:hover svg {
  transform: translateX(3px);
}

.quality-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 34px;
  align-items: center;
}

.quality-media {
  grid-column: span 5;
}

.media-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #E3EBF6;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.media-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-card .media-caption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(255, 255, 255, 0.92);
  border-radius: 10px;
  font-size: 13px;
  padding: 6px 10px;
  color: var(--ink);
  font-weight: 600;
}

.quality-copy {
  grid-column: span 7;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--brand);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.kicker::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

.quality-copy h2 {
  font-size: 30px;
  line-height: 1.35;
  margin: 0 0 16px;
  font-weight: 700;
}

.quality-copy .lead-copy {
  font-size: 16px;
  line-height: 1.9;
  color: #42597E;
  margin: 0 0 20px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(23, 182, 140, 0.14);
  border: 1.5px solid var(--new);
  box-shadow: inset 0 0 0 3px #fff;
}

.feature-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 48px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
}

.feature-bar-item {
  padding: 24px 22px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.feature-bar-item+.feature-bar-item {
  border-left: 1px solid var(--line);
}

.feature-icon {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--soft);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 18px;
  height: 18px;
}

.feature-bar-item strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 3px;
  line-height: 1.5;
}

.feature-bar-item span {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.faq-section {
  margin-top: 72px;
}

.faq-head {
  text-align: center;
  margin-bottom: 32px;
}

.faq-head .faq-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  height: 26px;
  border-radius: var(--radius-btn);
  background: var(--soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.faq-head h2 {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
}

.faq-head p {
  color: var(--muted);
  font-size: 15px;
  margin: 8px 0 0;
}

.faq-panel {
  max-width: 860px;
  margin: 0 auto;
}

.faq-panel .accordion-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-panel .accordion-button {
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  padding: 18px 22px;
  box-shadow: none;
  border: 0;
}

.faq-panel .accordion-button:not(.collapsed) {
  background: #F8FBFF;
  color: var(--brand);
}

.faq-panel .accordion-button:focus {
  box-shadow: 0 0 0 3px rgba(46, 107, 230, 0.1);
}

.faq-panel .accordion-button::after {
  background-size: 16px;
  transform: rotate(0deg);
  transition: transform 0.2s ease;
}

.faq-panel .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

.faq-panel .accordion-body {
  padding: 4px 22px 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.cta-band {
  margin-top: 72px;
  background: #0D2B52;
  border-radius: 24px;
  padding: 56px 60px;
  position: relative;
  overflow: hidden;
  color: #fff;
  text-align: center;
}

.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  opacity: 0.14;
  border: 34px solid #6FA5FF;
  pointer-events: none;
}

.cta-band::before {
  left: -120px;
  bottom: -160px;
}

.cta-band::after {
  right: -130px;
  top: -180px;
}

.cta-band h2 {
  position: relative;
  z-index: 1;
  font-size: 30px;
  line-height: 1.45;
  margin: 0 auto 12px;
  max-width: 760px;
  font-weight: 700;
}

.cta-band p {
  position: relative;
  z-index: 1;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 26px;
}

.cta-band .cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: 1232px;
  margin: 0 auto;
  padding: 48px 36px 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr 0.9fr 1.1fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.footer-brand .brand-icon svg {
  width: 20px;
  height: 20px;
}

.footer-brand .brand-text {
  font-size: 16px;
}

.footer-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  margin: 0;
  max-width: 360px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-nav a {
  color: var(--muted);
  font-size: 14px;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: var(--brand);
}

.footer-contact {
  font-size: 14px;
  color: var(--muted);
  line-height: 2;
}

.footer-bottom {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: #8B9CBC;
  flex-wrap: wrap;
}

@media (max-width: 1200px) {
  .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0 20px;
    z-index: 1090;
  }

  .mobile-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-header .brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .mobile-header .brand-icon svg {
    width: 18px;
    height: 18px;
  }

  .mobile-header .brand-text {
    font-size: 16px;
    white-space: nowrap;
  }

  .nav-toggle-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
  }

  .nav-toggle-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
  }

  .nav-toggle-btn svg {
    width: 21px;
    height: 21px;
  }

  .sidebar-close {
    display: inline-flex;
    position: absolute;
    top: 16px;
    right: 14px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 0;
    background: #F4F7FD;
    color: var(--ink);
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: var(--transition);
  }

  .sidebar-close:hover {
    background: var(--soft);
    color: var(--brand);
  }

  .sidebar-close svg {
    width: 18px;
    height: 18px;
  }

  .sidebar {
    transform: translateX(-105%);
    transition: transform 0.3s ease;
    width: min(80vw, 320px);
    border-right: 0;
    box-shadow: none;
  }

  .sidebar .brand {
    padding-right: 52px;
  }

  body.nav-open .sidebar {
    transform: translateX(0);
    box-shadow: 16px 0 60px rgba(16, 42, 84, 0.2);
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(16, 42, 84, 0.46);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1050;
  }

  body.nav-open .sidebar-backdrop {
    opacity: 1;
    visibility: visible;
  }

  .main-shell {
    margin-left: 0;
    padding-top: 64px;
  }

  .toolbar {
    padding: 18px 24px 4px;
  }

  .page-container {
    padding: 8px 24px 32px;
  }

  .category-hero {
    min-height: auto;
    padding: 42px 32px;
  }

  .hero-title {
    font-size: 34px;
  }

  .quality-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .quality-media {
    grid-column: span 1;
  }

  .quality-copy {
    grid-column: span 1;
  }

  .feature-bar {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 0;
  }

  .feature-bar-item:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .feature-bar-item:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .footer-inner {
    padding-left: 24px;
    padding-right: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .toolbar-actions {
    justify-content: space-between;
  }

  .searchbox {
    flex: 1;
  }

  .channel-grid {
    grid-template-columns: 1fr;
  }

  .category-hero {
    padding: 36px 22px;
  }

  .hero-title {
    font-size: 29px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .hero-actions .btn-main,
  .hero-actions .btn-ghost {
    flex: 1;
    padding: 0 18px;
  }

  .section-block {
    margin-top: 56px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .section-head .section-title {
    font-size: 24px;
  }

  .quality-copy h2 {
    font-size: 24px;
  }

  .cta-band {
    padding: 42px 24px;
    border-radius: 20px;
  }

  .cta-band h2 {
    font-size: 24px;
  }

  .faq-head h2 {
    font-size: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .feature-bar {
    grid-template-columns: 1fr;
  }

  .feature-bar-item {
    border-left: 0 !important;
    border-top: 1px solid var(--line);
  }

  .feature-bar-item:first-child {
    border-top: 0;
  }

  .toolbar-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .searchbox {
    width: 100%;
  }

  .toolbar-actions .btn-main {
    width: 100%;
  }

  .category-hero {
    padding: 30px 18px;
    border-radius: 20px;
  }

  .hero-eyebrow {
    font-size: 12px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn-main,
  .hero-actions .btn-ghost {
    width: 100%;
  }

  .check-list li {
    font-size: 14px;
  }

  .cta-actions .btn-white {
    width: 100%;
  }
}

/* roulang page: article */
:root {
            --bg: #F4F7FD;
            --surface: #FFFFFF;
            --brand: #2E6BE6;
            --brand-deep: #174FC4;
            --brand-soft: #E7F0FF;
            --brand-faint: #EAF2FF;
            --ink: #102A54;
            --text-strong: #1D3458;
            --text-body: #40587C;
            --text-soft: #637A99;
            --line: #E2E9F3;
            --line-light: #EEF3FA;
            --green: #17B68C;
            --orange: #FFA63E;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(24, 60, 120, .06);
            --shadow-md: 0 14px 34px rgba(24, 60, 120, .10);
            --shadow-blue: 0 10px 26px rgba(46, 107, 230, .22);
            --font: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Inter", "Avenir Next", "Segoe UI", sans-serif;
            --num: "Inter", "Avenir Next", "Segoe UI", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background: var(--bg);
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        body.nav-open {
            overflow: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        a:hover {
            color: var(--brand);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        button {
            background: none;
            border: 0;
            cursor: pointer;
        }

        svg {
            display: block;
        }

        :focus-visible {
            outline: 2px solid rgba(46, 107, 230, .65);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .skip-link {
            position: fixed;
            top: -80px;
            left: 20px;
            z-index: 9999;
            background: var(--ink);
            color: #fff;
            padding: 10px 20px;
            border-radius: 10px;
            transition: top .2s ease;
        }

        .skip-link:focus {
            top: 16px;
            color: #fff;
        }

        /* ========= App Shell ========= */
        .app-shell {
            min-height: 100vh;
            width: 100%;
        }

        .sidebar-rail {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 264px;
            background: var(--surface);
            border-right: 1px solid var(--line);
            display: flex;
            flex-direction: column;
            z-index: 1020;
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            min-height: 100%;
            padding: 0 16px 18px;
        }

        .brand-lockup {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 84px;
            padding: 0 8px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: var(--brand-faint);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .brand-icon svg {
            width: 24px;
            height: 24px;
        }

        .brand-text {
            font-size: 18px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: .2px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
            flex: 1;
        }

        .nav-link-side {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 46px;
            padding: 0 16px;
            border-radius: 14px;
            color: #5B6F8F;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            transition: all .2s ease;
        }

        .nav-link-side svg {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
        }

        .nav-link-side:hover {
            background: #F2F7FF;
            color: var(--brand-deep);
            transform: translateX(2px);
        }

        .nav-link-side.active {
            background: var(--brand-soft);
            color: var(--brand);
            font-weight: 700;
            box-shadow: inset 0 0 0 1px rgba(46, 107, 230, .04);
        }

        .sidebar-tip {
            margin-top: 12px;
            padding: 16px;
            background: #F8FBFF;
            border: 1px dashed #BFD5F7;
            border-radius: 16px;
        }

        .sidebar-tip strong {
            display: block;
            color: var(--ink);
            font-size: 14px;
            line-height: 1.4;
        }

        .sidebar-tip span {
            display: block;
            margin-top: 7px;
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        .sidebar-tip-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            height: 36px;
            padding: 0 16px;
            border-radius: 999px;
            background: #FFFFFF;
            border: 1px solid #C7D8F5;
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
        }

        .sidebar-tip-btn:hover {
            border-color: var(--brand);
            background: #EDF4FF;
            color: var(--brand-deep);
        }

        .app-main {
            margin-left: 264px;
            min-height: 100vh;
            background: var(--bg);
            display: flex;
            flex-direction: column;
        }

        /* ========= Mobile Top ========= */
        .mobile-topbar {
            display: none;
            height: 66px;
            align-items: center;
            justify-content: space-between;
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            padding: 0 18px;
            position: sticky;
            top: 0;
            z-index: 1080;
            gap: 12px;
        }

        .mobile-topbar .mobile-brand-lock {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
        }

        .mobile-burger {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--brand-faint);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            flex-shrink: 0;
        }

        .mobile-burger svg {
            width: 21px;
            height: 21px;
        }

        .mobile-topbar .mobile-name {
            color: var(--ink);
            font-weight: 700;
            font-size: 16px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .drawer-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(14, 30, 58, .45);
            backdrop-filter: blur(2px);
            z-index: 1100;
        }

        .drawer-backdrop.is-open {
            display: block;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: min(84vw, 320px);
            background: var(--surface);
            z-index: 1102;
            transform: translateX(-110%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding: 0 16px 24px;
            box-shadow: 12px 0 34px rgba(14, 30, 58, .14);
        }

        .mobile-menu.is-open {
            transform: translateX(0);
        }

        .drawer-close {
            margin: 4px 0 0 auto;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-soft);
            background: #F4F7FD;
        }

        .drawer-close svg {
            width: 18px;
            height: 18px;
        }

        .mobile-menu .mobile-menu-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 4px 20px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 14px;
        }

        /* ========= Context top bar ========= */
        .context-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 16px 32px;
            width: 100%;
            flex-wrap: nowrap;
        }

        .crumb-list {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-soft);
            min-width: 0;
        }

        .crumb-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-soft);
            white-space: nowrap;
        }

        .crumb-list a:hover {
            color: var(--brand);
        }

        .crumb-sep {
            color: #BCD0EC;
            flex-shrink: 0;
            font-size: 13px;
            margin: 0 2px;
        }

        .crumb-list .crumb-current {
            color: var(--ink);
            font-weight: 600;
            max-width: 360px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .context-tools {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .context-search {
            display: flex;
            align-items: center;
            background: #F4F8FF;
            border: 1px solid transparent;
            border-radius: 999px;
            height: 44px;
            padding: 0 6px 0 16px;
            width: 260px;
            transition: border .2s, background .2s;
        }

        .context-search:focus-within {
            border-color: #AEC9F5;
            background: #fff;
            box-shadow: 0 0 0 4px rgba(46, 107, 230, .08);
        }

        .context-search svg {
            width: 17px;
            height: 17px;
            color: #8AA1C2;
            flex-shrink: 0;
        }

        .context-search input {
            flex: 1;
            border: 0;
            outline: 0;
            background: transparent;
            height: 100%;
            padding: 0 10px;
            font-size: 14px;
            color: var(--text-strong);
            min-width: 0;
        }

        .context-search input::placeholder {
            color: #97A9C3;
        }

        .context-search button {
            height: 32px;
            border-radius: 999px;
            padding: 0 14px;
            background: var(--brand);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            transition: background .2s;
            flex-shrink: 0;
        }

        .context-search button:hover {
            background: var(--brand-deep);
        }

        /* ========= Buttons ========= */
        .ab-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            transition: all .22s ease;
            white-space: nowrap;
        }

        .ab-btn-primary {
            background: var(--brand);
            color: #fff;
            box-shadow: 0 8px 22px rgba(46, 107, 230, .18);
        }

        .ab-btn-primary:hover {
            background: var(--brand-deep);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-blue);
        }

        .ab-btn-soft {
            background: #EEF5FF;
            color: var(--brand);
            border: 1px solid #D4E3FA;
        }

        .ab-btn-soft:hover {
            background: #E2EDFF;
            border-color: #B7D0F5;
            color: var(--brand-deep);
            transform: translateY(-2px);
        }

        .ab-btn-sm {
            height: 38px;
            padding: 0 18px;
            font-size: 14px;
        }

        .ab-btn-dark {
            background: #0D2B52;
            color: #fff;
            box-shadow: 0 10px 24px rgba(13, 43, 82, .2);
        }

        .ab-btn-dark:hover {
            background: #174A80;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========= Main article ========= */
        .page-shell {
            width: 100%;
            flex: 1;
        }

        .article-outer {
            max-width: 1060px;
            margin: 0 auto;
            padding: 46px 32px 20px;
            width: 100%;
        }

        .post-article {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 54px 60px 40px;
        }

        .post-kicker {
            margin-bottom: 18px;
        }

        .post-category {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            height: 30px;
            padding: 0 14px;
            border-radius: 8px;
            background: var(--brand-faint);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
        }

        .post-category svg {
            width: 14px;
            height: 14px;
        }

        .post-title {
            color: var(--ink);
            font-size: 34px;
            line-height: 1.38;
            letter-spacing: .2px;
            margin: 0 0 20px;
            font-weight: 700;
            word-break: break-word;
        }

        .post-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 20px;
            padding-top: 16px;
            border-top: 1px solid var(--line-light);
            color: var(--text-soft);
            font-size: 13px;
        }

        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .post-meta svg {
            width: 16px;
            height: 16px;
            color: #8FA7C8;
        }

        .post-content {
            margin-top: 32px;
            font-size: 16px;
        }

        .post-content>* {
            max-width: 100%;
        }

        .post-content p {
            color: var(--text-body);
            line-height: 1.95;
            margin: 0 0 24px;
            letter-spacing: .1px;
        }

        .post-content h2,
        .post-content h3,
        .post-content h4 {
            color: var(--ink);
            font-weight: 700;
            line-height: 1.45;
            margin-top: 40px;
            margin-bottom: 18px;
        }

        .post-content h2 {
            font-size: 26px;
            padding-left: 14px;
            position: relative;
        }

        .post-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 999px;
            background: var(--brand);
        }

        .post-content h3 {
            font-size: 21px;
        }

        .post-content h4 {
            font-size: 18px;
        }

        .post-content a {
            color: var(--brand);
            border-bottom: 1px solid rgba(46, 107, 230, .35);
        }

        .post-content a:hover {
            color: var(--brand-deep);
            border-bottom-color: var(--brand-deep);
        }

        .post-content ul,
        .post-content ol {
            padding-left: 24px;
            margin: 0 0 24px;
        }

        .post-content li {
            margin-bottom: 10px;
            line-height: 1.8;
            color: var(--text-body);
        }

        .post-content ul li,
        .post-content ol li {
            padding-left: 4px;
        }

        .post-content blockquote {
            margin: 28px 0;
            padding: 20px 24px;
            background: #F3F8FF;
            border-left: 4px solid var(--brand);
            border-radius: 0 16px 16px 0;
            color: var(--text-strong);
            line-height: 1.8;
        }

        .post-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .post-content img {
            margin: 28px auto;
            border-radius: var(--radius-md);
            max-width: 100%;
            background: #EDF2FA;
            min-height: 120px;
            border: 1px solid var(--line);
        }

        .post-content figure {
            margin: 30px 0;
        }

        .post-content figcaption {
            font-size: 13px;
            color: var(--text-soft);
            text-align: center;
            margin-top: 10px;
        }

        .post-content code {
            background: #EEF3FB;
            padding: 2px 7px;
            border-radius: 6px;
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
            font-size: .9em;
            color: #174FC4;
        }

        .post-content pre {
            background: #0D2B52;
            color: #EAF2FF;
            padding: 22px 24px;
            border-radius: 16px;
            overflow-x: auto;
            line-height: 1.7;
            font-size: 14px;
            margin: 28px 0;
        }

        .post-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        }

        .post-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
        }

        .post-content table th,
        .post-content table td {
            border: 1px solid var(--line);
            padding: 12px 16px;
            line-height: 1.6;
        }

        .post-content table th {
            background: #F2F7FF;
            color: var(--ink);
            font-weight: 600;
        }

        .post-content hr {
            border: 0;
            height: 1px;
            background: var(--line);
            margin: 40px 0;
        }

        /* ========= Article CTA ========= */
        .article-cta {
            margin-top: 44px;
            padding: 28px 30px;
            background: #F1F6FF;
            border: 1px solid #D9E7FA;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .article-cta h3 {
            font-size: 18px;
            color: var(--ink);
            margin: 0 0 6px;
            font-weight: 700;
        }

        .article-cta p {
            margin: 0;
            font-size: 14px;
            color: var(--text-body);
        }

        .article-cta .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        .article-signature {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 20px 0 0;
            border-top: 1px solid var(--line-light);
            margin-top: 40px;
            font-size: 13px;
            color: var(--text-soft);
        }

        /* ========= Explore / Related ========= */
        .related-zone {
            max-width: 1060px;
            margin: 0 auto;
            padding: 42px 32px 18px;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 24px;
        }

        .section-head .head-main h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 6px;
        }

        .section-head .head-main p {
            font-size: 14px;
            color: var(--text-soft);
            margin: 0;
        }

        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .link-more svg {
            width: 16px;
            height: 16px;
        }

        .link-more:hover {
            color: var(--brand-deep);
        }

        .explore-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .explore-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 18px;
            overflow: hidden;
            display: block;
            transition: transform .22s ease, box-shadow .22s ease;
        }

        .explore-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .explore-media {
            position: relative;
            display: block;
            aspect-ratio: 16 / 9;
            background: #EAF2FF;
            overflow: hidden;
        }

        .explore-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .explore-card:hover .explore-media img {
            transform: scale(1.04);
        }

        .explore-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(16, 42, 84, 0) 30%, rgba(16, 42, 84, .48) 100%);
            pointer-events: none;
        }

        .explore-info {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: #fff;
            z-index: 2;
        }

        .explore-info strong {
            font-size: 17px;
            font-weight: 700;
            text-shadow: 0 2px 8px rgba(10, 20, 40, .5);
            line-height: 1.3;
        }

        .explore-info span {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, .18);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 999px;
            padding: 4px 8px;
            font-size: 12px;
            flex-shrink: 0;
        }

        .explore-card-body {
            padding: 18px 20px 20px;
        }

        .explore-card-body p {
            margin: 0 0 12px;
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.75;
        }

        .explore-go {
            color: var(--brand);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .explore-go svg {
            width: 15px;
            height: 15px;
        }

        /* ========= Not found ========= */
        .missing-zone {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 80px 24px;
            min-height: 58vh;
        }

        .missing-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 24px;
            box-shadow: var(--shadow-sm);
            max-width: 660px;
            width: 100%;
            padding: 52px 44px;
            text-align: center;
        }

        .missing-icon {
            width: 80px;
            height: 80px;
            border-radius: 30px;
            background: var(--brand-faint);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
        }

        .missing-icon svg {
            width: 38px;
            height: 38px;
            stroke-width: 1.7;
        }

        .missing-card h1 {
            font-size: 30px;
            color: var(--ink);
            margin: 0 0 12px;
            font-weight: 700;
        }

        .missing-card p {
            color: var(--text-soft);
            line-height: 1.8;
            margin: 0 0 28px;
        }

        .missing-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ========= Footer ========= */
        .site-footer {
            flex-shrink: 0;
            background: var(--surface);
            border-top: 1px solid var(--line);
            margin-top: 64px;
            padding: 48px 0 0;
        }

        .footer-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 34px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: var(--brand-faint);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .footer-brand .brand-icon svg {
            width: 23px;
            height: 23px;
        }

        .footer-brand .brand-text {
            color: var(--ink);
            font-size: 18px;
            font-weight: 700;
        }

        .footer-desc {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.9;
            margin: 0 0 10px;
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 6px 0 18px;
        }

        .footer-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-nav a {
            color: var(--text-body);
            font-size: 14px;
            position: relative;
            display: inline-flex;
        }

        .footer-nav a:hover {
            color: var(--brand);
        }

        .footer-contact {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 2;
            word-break: break-word;
        }

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 20px 0 26px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            color: #8B9DB9;
            font-size: 13px;
        }

        /* ========= Responsive ========= */
        @media (max-width: 1199px) and (min-width: 992px) {
            .sidebar-rail {
                width: 244px;
            }

            .app-main {
                margin-left: 244px;
            }

            .article-outer,
            .related-zone {
                max-width: 100%;
                padding: 38px 24px 12px;
            }

            .explore-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .context-bar {
                padding: 14px 24px;
            }

            .context-search {
                width: 210px;
            }

            .post-article {
                padding: 46px 40px 36px;
            }
        }

        @media (max-width: 991px) {
            .sidebar-rail {
                display: none;
            }

            .app-main {
                margin-left: 0;
            }

            .mobile-topbar {
                display: flex;
            }

            .context-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 16px;
                padding: 14px 18px;
            }

            .context-search {
                width: 100%;
            }

            .context-tools .ab-btn {
                display: none;
            }

            .crumb-list .crumb-current {
                max-width: 200px;
            }

            .article-outer,
            .related-zone {
                padding: 28px 16px 8px;
            }

            .post-article {
                padding: 36px 30px 28px;
                border-radius: 20px;
            }

            .post-title {
                font-size: 28px;
            }

            .explore-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-inner {
                padding: 0 20px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            .article-outer {
                padding: 20px 12px 6px;
            }

            .post-article {
                padding: 28px 18px 22px;
                border-radius: 18px;
                box-shadow: 0 2px 10px rgba(24, 60, 120, .05);
            }

            .post-title {
                font-size: 24px;
                line-height: 1.42;
            }

            .post-content p,
            .post-content li {
                font-size: 15px;
            }

            .post-content h2 {
                font-size: 21px;
            }

            .post-content h3 {
                font-size: 18px;
            }

            .post-content table {
                display: block;
                overflow-x: auto;
            }

            .article-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px 20px;
            }

            .explore-grid {
                grid-template-columns: 1fr;
            }

            .related-zone {
                padding: 24px 12px 8px;
            }

            .section-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }

            .section-head .head-main h2 {
                font-size: 21px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-bottom: 26px;
            }

            .footer-bottom {
                padding: 16px 0 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .missing-zone {
                padding: 40px 16px;
            }

            .missing-card {
                padding: 34px 22px;
            }

            .missing-card h1 {
                font-size: 24px;
            }
        }

        @media (max-width: 420px) {
            .context-tools .context-search .search-label {
                display: none;
            }

            .crumb-list {
                font-size: 13px;
            }

            .crumb-list .crumb-current {
                max-width: 150px;
            }
        }

/* roulang page: category2 */
:root {
            --ca-bg: #F4F7FD;
            --ca-white: #FFFFFF;
            --ca-panel: #EAF2FF;
            --ca-softblue: #F0F6FF;
            --ca-line: #E2E9F3;
            --ca-border: #E4EAF3;
            --ca-primary: #2E6BE6;
            --ca-primary-dark: #174FC4;
            --ca-nav: #102A54;
            --ca-body: #354B6E;
            --ca-muted: #5B6F8F;
            --ca-green: #17B68C;
            --ca-orange: #FFA63E;
            --ca-deep: #0D2B52;
            --ca-deep2: #173E73;
            --ca-icon: #607BA9;
            --font-cn: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-num: Inter, "Avenir Next", "Segoe UI", sans-serif;
            --radius-card: 16px;
            --radius-hero: 24px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 16px rgba(24, 60, 120, 0.06);
            --shadow-hover: 0 14px 34px rgba(24, 60, 120, 0.12);
            --step: 8px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--ca-bg);
            color: var(--ca-body);
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: var(--ca-primary);
            transition: color .2s ease;
        }

        a:hover {
            color: var(--ca-primary-dark);
        }

        button,
        input {
            font-family: inherit;
        }

        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1032;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--ca-line);
            height: 64px;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-topbar .mobile-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ca-nav);
            font-weight: 700;
            font-size: 17px;
        }

        .mobile-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--ca-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            border: 1px solid var(--ca-line);
            background: #fff;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--ca-nav);
            padding: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--ca-panel);
        }

        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 248px;
            height: 100vh;
            z-index: 1040;
            background: var(--ca-white);
            border-right: 1px solid var(--ca-line);
            display: flex;
            flex-direction: column;
            padding: 0 14px 16px;
        }

        .site-brand {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 6px;
            flex: 0 0 72px;
            color: var(--ca-nav);
        }

        .site-brand:hover {
            color: var(--ca-nav);
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: var(--ca-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 40px;
            box-shadow: 0 8px 20px rgba(46, 107, 230, .22);
        }

        .brand-text {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: .2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 8px 0 14px;
        }

        .nav-link-side {
            display: flex;
            align-items: center;
            gap: 11px;
            height: 44px;
            padding: 0 15px;
            border-radius: 999px;
            color: var(--ca-nav);
            font-size: 15px;
            line-height: 1;
            transition: background .2s ease, color .2s ease;
        }

        .nav-link-side svg {
            color: var(--ca-icon);
            flex: 0 0 auto;
            transition: color .2s ease;
        }

        .nav-link-side:hover {
            background: var(--ca-softblue);
            color: var(--ca-primary);
        }

        .nav-link-side:hover svg {
            color: var(--ca-primary);
        }

        .nav-link-side.active {
            background: var(--ca-panel);
            color: var(--ca-primary);
            font-weight: 600;
        }

        .nav-link-side.active svg {
            color: var(--ca-primary);
        }

        .nav-link-side:focus-visible,
        .mobile-menu-btn:focus-visible,
        .drawer-close:focus-visible {
            outline: 3px solid rgba(46, 107, 230, .3);
            outline-offset: 2px;
        }

        .side-tip {
            margin-top: auto;
            background: var(--ca-bg);
            border: 1px dashed var(--ca-line);
            border-radius: var(--radius-card);
            padding: 14px 15px;
            color: var(--ca-muted);
            font-size: 13px;
        }

        .side-tip strong {
            display: block;
            color: var(--ca-nav);
            font-size: 14px;
            margin-bottom: 2px;
        }

        .drawer-close {
            display: none;
        }

        .sidebar-mask {
            position: fixed;
            inset: 0;
            z-index: 1035;
            background: rgba(16, 32, 64, .48);
            opacity: 0;
            visibility: hidden;
            transition: opacity .25s ease, visibility .25s;
        }

        .app-main {
            margin-left: 248px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--ca-bg);
        }

        .main-content {
            flex: 1;
            width: 100%;
            padding: 20px 32px 48px;
        }

        .container-cat {
            max-width: 1180px;
            margin: 0 auto;
            width: 100%;
        }

        .content-section {
            margin-top: 52px;
        }

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 24px;
            margin-bottom: 26px;
            flex-wrap: wrap;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ca-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .4px;
            margin-bottom: 6px;
        }

        .section-kicker::before {
            content: "";
            width: 4px;
            height: 14px;
            background: var(--ca-primary);
            border-radius: 999px;
        }

        .section-head h2 {
            margin: 0;
            color: var(--ca-nav);
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
        }

        .section-sub {
            margin: 8px 0 0;
            max-width: 720px;
            color: var(--ca-muted);
            font-size: 16px;
        }

        .link-arrow {
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .link-arrow:hover {
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .context-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            background: var(--ca-white);
            border: 1px solid var(--ca-line);
            border-radius: 18px;
            padding: 12px 18px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .crumb-path {
            display: flex;
            align-items: center;
            gap: 9px;
            color: var(--ca-muted);
            font-size: 13px;
            flex-wrap: wrap;
        }

        .crumb-path a {
            color: var(--ca-muted);
            transition: color .2s;
        }

        .crumb-path a:hover {
            color: var(--ca-primary);
        }

        .crumb-path .crumb-active {
            color: var(--ca-nav);
            font-weight: 600;
        }

        .crumb-sep {
            color: #B9C6DA;
            font-size: 13px;
        }

        .top-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .top-search {
            position: relative;
        }

        .top-search svg {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--ca-muted);
            pointer-events: none;
        }

        .top-search input {
            height: 40px;
            width: 220px;
            border: 1px solid var(--ca-line);
            border-radius: 999px;
            background: var(--ca-bg);
            color: var(--ca-nav);
            padding: 0 18px 0 42px;
            font-size: 14px;
            outline: none;
            transition: border .2s, box-shadow .2s, background .2s;
        }

        .top-search input::placeholder {
            color: #94A5C0;
        }

        .top-search input:focus {
            border-color: var(--ca-primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(46, 107, 230, .12);
        }

        .btn-enter {
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--ca-primary);
            color: #fff;
            font-weight: 500;
            font-size: 14px;
            border-radius: 999px;
            padding: 0 22px;
            border: 0;
            transition: transform .2s, background .2s, box-shadow .2s;
        }

        .btn-enter:hover {
            background: var(--ca-primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(46, 107, 230, .18);
        }

        .btn-enter:focus-visible {
            outline: 3px solid rgba(46, 107, 230, .3);
            outline-offset: 2px;
        }

        .hero-cat {
            position: relative;
            border-radius: var(--radius-hero);
            padding: 58px 56px 52px;
            background:
                linear-gradient(105deg, rgba(234, 242, 255, .97) 0%, rgba(246, 250, 255, .93) 48%, rgba(237, 247, 255, .78) 100%),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            background-color: var(--ca-panel);
            overflow: hidden;
        }

        .hero-cat::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -90px;
            width: 300px;
            height: 300px;
            border: 1px dashed rgba(46, 107, 230, .22);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-copy {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .7);
            border: 1px solid rgba(46, 107, 230, .14);
            color: var(--ca-primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            padding: 5px 14px;
            margin-bottom: 20px;
        }

        .hero-copy h1 {
            margin: 0;
            color: var(--ca-nav);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -1px;
        }

        .hero-lead {
            font-size: 17px;
            line-height: 1.8;
            color: #36527B;
            margin: 18px 0 0;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 26px;
        }

        .btn-platform {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-weight: 500;
            height: 48px;
            padding: 0 28px;
            font-size: 16px;
            border: 1px solid transparent;
            transition: all .2s ease;
        }

        .btn-platform:focus-visible {
            outline: 3px solid rgba(46, 107, 230, .28);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--ca-primary);
            color: #fff;
            box-shadow: 0 10px 22px rgba(46, 107, 230, .18);
        }

        .btn-primary:hover {
            background: var(--ca-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(23, 79, 196, .22);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .72);
            color: var(--ca-primary);
            border-color: rgba(46, 107, 230, .35);
        }

        .btn-ghost:hover {
            background: var(--ca-softblue);
            border-color: var(--ca-primary);
            color: var(--ca-primary-dark);
        }

        .hero-safe {
            font-size: 12px;
            color: #768AA8;
            margin: 18px 0 0;
        }

        .hero-safe span {
            margin: 0 6px;
            color: #B9C6DA;
        }

        .metrics-dark {
            margin-top: 10px;
            background: var(--ca-deep);
            border-radius: 22px;
            color: #fff;
            overflow: hidden;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
        }

        .metric-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 30px 28px;
            border-right: 1px solid rgba(255, 255, 255, .1);
        }

        .metric-item:last-child {
            border-right: 0;
        }

        .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            flex: 0 0 44px;
        }

        .metric-number {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.1;
            color: #fff;
            letter-spacing: .2px;
        }

        .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .68);
            margin-top: 5px;
            line-height: 1.4;
        }

        .card-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 18px;
        }

        .feature-card {
            background: var(--ca-white);
            border: 1px solid var(--ca-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px 24px;
            min-height: 230px;
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
            position: relative;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 107, 230, .22);
        }

        .feature-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--ca-panel);
            color: var(--ca-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ca-nav);
            line-height: 1.5;
            margin: 0 0 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--ca-muted);
            line-height: 1.8;
            margin: 0;
        }

        .feature-tag {
            display: inline-flex;
            margin-top: 14px;
            background: var(--ca-softblue);
            color: var(--ca-primary);
            font-size: 12px;
            border-radius: 6px;
            padding: 3px 10px;
            line-height: 1.5;
        }

        .editorial-card {
            background: var(--ca-white);
            border: 1px solid var(--ca-border);
            border-radius: var(--radius-hero);
            box-shadow: var(--shadow-card);
            padding: 38px 40px;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
            gap: 42px;
            align-items: center;
            overflow: hidden;
        }

        .editorial-copy h3 {
            color: var(--ca-nav);
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 14px;
        }

        .editorial-copy p {
            color: var(--ca-muted);
            font-size: 15px;
            margin: 0 0 10px;
            line-height: 1.9;
        }

        .editorial-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
            display: grid;
            gap: 12px;
        }

        .editorial-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: var(--ca-body);
            font-size: 14px;
            line-height: 1.7;
        }

        .editorial-list li::before {
            content: "";
            flex: 0 0 14px;
            height: 14px;
            border-radius: 5px;
            background: var(--ca-panel);
            border: 2px solid var(--ca-primary);
            margin-top: 6px;
        }

        .editorial-media {
            position: relative;
            border-radius: 18px;
            overflow: hidden;
            min-height: 340px;
            background: var(--ca-panel);
        }

        .editorial-media img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .editorial-card:hover .editorial-media img {
            transform: scale(1.03);
        }

        .editorial-badge {
            position: absolute;
            left: 16px;
            bottom: 16px;
            background: rgba(13, 43, 82, .78);
            color: #fff;
            border-radius: 12px;
            font-size: 13px;
            line-height: 1.5;
            padding: 10px 14px;
            backdrop-filter: blur(6px);
        }

        .scenario-panel {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            border: 1px solid var(--ca-border);
            background: var(--ca-white);
            border-radius: var(--radius-hero);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .scenario-cell {
            padding: 30px 32px;
            border-right: 1px solid var(--ca-line);
            border-bottom: 1px solid var(--ca-line);
            transition: background .2s ease;
        }

        .scenario-cell:nth-child(2n) {
            border-right: 0;
        }

        .scenario-cell:nth-last-child(-n + 2) {
            border-bottom: 0;
        }

        .scenario-cell:hover {
            background: #FAFCFF;
        }

        .scenario-cell .scenario-icon {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: var(--ca-panel);
            color: var(--ca-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .scenario-cell h3 {
            font-size: 18px;
            color: var(--ca-nav);
            font-weight: 600;
            margin: 0 0 8px;
        }

        .scenario-cell p {
            font-size: 14px;
            color: var(--ca-muted);
            margin: 0 0 10px;
            line-height: 1.8;
        }

        .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }

        .mini-chip {
            background: var(--ca-softblue);
            color: var(--ca-primary);
            border-radius: 999px;
            padding: 4px 11px;
            font-size: 12px;
            line-height: 1.4;
        }

        .flow-band {
            background: var(--ca-panel);
            border-radius: var(--radius-hero);
            padding: 38px 40px 42px;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 26px;
        }

        .flow-step {
            background: var(--ca-white);
            border: 1px solid var(--ca-border);
            border-radius: 18px;
            padding: 24px 20px;
            position: relative;
            transition: transform .25s, box-shadow .25s;
        }

        .flow-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-family: var(--font-num);
            font-size: 15px;
            color: var(--ca-primary);
            font-weight: 700;
            letter-spacing: 1px;
        }

        .flow-step h3 {
            font-size: 17px;
            color: var(--ca-nav);
            margin: 12px 0 8px;
            font-weight: 600;
        }

        .flow-step p {
            margin: 0;
            color: var(--ca-muted);
            font-size: 13px;
            line-height: 1.75;
        }

        .faq-wrap {
            max-width: 920px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--ca-white);
            border: 1px solid var(--ca-border);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .2s, border-color .2s;
        }

        .faq-item:hover {
            border-color: rgba(46, 107, 230, .25);
        }

        .faq-toggle {
            width: 100%;
            padding: 18px 22px;
            border: 0;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            color: var(--ca-nav);
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.6;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }

        .faq-toggle:focus-visible {
            outline: 3px solid rgba(46, 107, 230, .3);
            outline-offset: -2px;
        }

        .faq-chevron {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--ca-softblue);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--ca-primary);
            flex: 0 0 26px;
            transition: transform .25s ease;
        }

        .faq-toggle[aria-expanded="true"] .faq-chevron {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--ca-muted);
            font-size: 14px;
            line-height: 1.9;
        }

        .cta-deep {
            background: var(--ca-deep);
            border-radius: var(--radius-hero);
            padding: 58px 32px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-deep::before,
        .cta-deep::after {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            border: 1px solid rgba(255, 255, 255, .13);
            border-radius: 50%;
        }

        .cta-deep::before {
            left: -70px;
            top: -110px;
        }

        .cta-deep::after {
            right: -60px;
            bottom: -120px;
        }

        .cta-deep h2,
        .cta-deep p,
        .cta-deep .cta-btns {
            position: relative;
            z-index: 1;
        }

        .cta-deep h2 {
            color: #fff;
            font-size: 30px;
            line-height: 1.35;
            margin: 0 0 12px;
            font-weight: 700;
        }

        .cta-deep p {
            color: rgba(255, 255, 255, .72);
            font-size: 15px;
            margin: 0 auto 26px;
            max-width: 560px;
        }

        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-light-major {
            background: #fff;
            color: var(--ca-deep);
            border: 1px solid #fff;
            box-shadow: 0 10px 26px rgba(0, 0, 0, .15);
        }

        .btn-light-major:hover {
            background: #EAF2FF;
            color: var(--ca-deep);
            transform: translateY(-2px);
        }

        .btn-outline-cta {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .55);
        }

        .btn-outline-cta:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            border-color: #fff;
        }

        .site-footer {
            background: var(--ca-white);
            border-top: 1px solid var(--ca-line);
            margin-top: 64px;
        }

        .footer-inner {
            max-width: 1180px;
            margin: 0 auto;
            padding: 48px 32px 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ca-nav);
            font-weight: 700;
            font-size: 17px;
        }

        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 11px;
            flex: 0 0 36px;
        }

        .footer-desc {
            color: var(--ca-muted);
            font-size: 13px;
            line-height: 1.9;
            margin: 14px 0 0;
            max-width: 340px;
        }

        .footer-title {
            color: var(--ca-nav);
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 14px;
        }

        .footer-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 8px;
        }

        .footer-nav a {
            color: var(--ca-muted);
            font-size: 13px;
        }

        .footer-nav a:hover {
            color: var(--ca-primary);
        }

        .footer-contact {
            color: var(--ca-muted);
            font-size: 13px;
            line-height: 2;
        }

        .footer-bottom {
            border-top: 1px solid var(--ca-line);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 12px;
            color: var(--ca-muted);
            flex-wrap: wrap;
        }

        @media (max-width: 1199.98px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .metric-item {
                padding: 24px 18px;
            }

            .metric-number {
                font-size: 24px;
            }

            .editorial-card {
                padding: 30px;
                gap: 30px;
            }

            .flow-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                transform: translateX(-105%);
                transition: transform .3s ease;
                box-shadow: 0 0 60px rgba(15, 32, 64, .16);
            }

            body.side-open .app-sidebar {
                transform: translateX(0);
            }

            .drawer-close {
                position: absolute;
                top: 20px;
                right: 16px;
                width: 36px;
                height: 36px;
                border-radius: 50%;
                background: var(--ca-bg);
                border: 1px solid var(--ca-line);
                color: var(--ca-nav);
                display: inline-flex;
                align-items: center;
                justify-content: center;
                z-index: 2;
            }

            body.side-open .sidebar-mask {
                opacity: 1;
                visibility: visible;
            }

            @media (max-width: 991.98px) {
                .sidebar-mask {
                    opacity: 0;
                    visibility: hidden;
                }
            }

            .app-main {
                margin-left: 0;
            }

            .main-content {
                padding: 18px 18px 40px;
            }

            .mobile-topbar {
                display: flex;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .metric-item {
                border-bottom: 1px solid rgba(255, 255, 255, .1);
            }

            .metric-item:nth-child(2) {
                border-right: 0;
            }

            .metric-item:nth-child(3),
            .metric-item:nth-child(4) {
                border-bottom: 0;
            }

            .editorial-card {
                grid-template-columns: 1fr;
            }

            .editorial-media img {
                height: 280px;
            }

            .context-top {
                align-items: flex-start;
            }

            .top-search {
                flex: 1 1 100%;
                margin-top: 8px;
            }

            .top-search input {
                width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .hero-cat {
                padding: 32px 22px 34px;
                border-radius: 20px;
            }

            .hero-copy h1 {
                font-size: 30px;
                line-height: 1.3;
            }

            .hero-lead {
                font-size: 15px;
            }

            .btn-platform {
                height: 44px;
                font-size: 15px;
                padding: 0 20px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .metric-grid {
                grid-template-columns: 1fr;
            }

            .metric-item {
                padding: 20px 18px;
                border-right: 0;
                border-bottom: 1px solid rgba(255, 255, 255, .1);
            }

            .metric-item:last-child {
                border-bottom: 0;
            }

            .metric-item:nth-child(3) {
                border-bottom: 1px solid rgba(255, 255, 255, .1);
            }

            .scenario-panel {
                grid-template-columns: 1fr;
            }

            .scenario-cell {
                border-right: 0;
                border-bottom: 1px solid var(--ca-line);
            }

            .scenario-cell:last-child {
                border-bottom: 0;
            }

            .card-grid-4 {
                grid-template-columns: 1fr;
            }

            .flow-grid {
                grid-template-columns: 1fr;
            }

            .editorial-card {
                padding: 24px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-inner {
                padding: 38px 20px 20px;
            }

            .cta-deep {
                padding: 42px 20px;
            }

            .cta-deep h2 {
                font-size: 24px;
            }

            .cta-btns .btn-platform {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
  --canvas: #F4F7FD;
  --card: #FFFFFF;
  --line: #E1E9F5;
  --line-soft: #E4EAF3;
  --brand: #2E6BE6;
  --brand-hover: #174FC4;
  --brand-bg: #E7F0FF;
  --blue-pale: #EAF2FF;
  --ink: #102A54;
  --muted: #5B6F8F;
  --success: #17B68C;
  --orange: #FFA63E;
  --deep-navy: #0D2B52;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 4px 16px rgba(24, 60, 120, 0.06);
  --shadow-float: 0 14px 34px rgba(24, 60, 120, 0.12);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
}

html {
  scroll-behavior: smooth;
}

html, body {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: "Inter", "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: var(--brand);
}

img {
  max-width: 100%;
  display: block;
}

button,
input,
select,
textarea {
  font-family: inherit;
  color: inherit;
}

button {
  border: 0;
  background: none;
  cursor: pointer;
}

ul,
ol,
p,
figure,
blockquote {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

:focus-visible {
  outline: 2px solid rgba(46, 107, 230, 0.55);
  outline-offset: 3px;
}

::-moz-selection {
  background: #D6E4FF;
  color: var(--ink);
}

::selection {
  background: #D6E4FF;
  color: var(--ink);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.app-sidebar {
  width: 248px;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  background: var(--card);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 0;
  z-index: 1029;
}

.brand-block {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px rgba(46, 107, 230, 0.22);
  flex: 0 0 40px;
}

.brand-icon svg {
  width: 22px;
  height: 22px;
}

.brand-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.01em;
  line-height: 1.3;
  white-space: nowrap;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px 12px 12px;
  flex: 1;
}

.nav-link-side {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 12px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink);
  transition: background .2s ease, color .2s ease;
}

.nav-link-side svg {
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
}

.nav-link-side:hover {
  color: var(--brand);
  background: rgba(231, 240, 255, 0.6);
}

.nav-link-side.active {
  background: var(--brand-bg);
  color: var(--brand);
  font-weight: 600;
}

.side-note {
  margin: 12px 12px 20px;
  background: #F8FBFF;
  border: 1px dashed #C9D7EA;
  border-radius: var(--radius);
  padding: 18px 16px;
  min-height: 110px;
}

.side-note__title {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}

.side-note__desc {
  display: block;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.side-note a {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
}

.side-note a:hover {
  color: var(--brand-hover);
}

.app-main {
  margin-left: 248px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content-toolbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  background: var(--canvas);
}

.content-toolbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
}

.crumbs a {
  color: var(--muted);
  transition: color .2s ease;
}

.crumbs a:hover {
  color: var(--brand);
}

.crumb-slash {
  color: #B9C7DC;
}

.crumbs .crumb-current {
  color: var(--brand);
  font-weight: 500;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-inline {
  width: 220px;
  position: relative;
}

.search-inline input {
  width: 100%;
  height: 40px;
  border: 1px solid #D8E2EF;
  border-radius: 999px;
  background: #fff;
  padding: 0 16px 0 40px;
  font-size: 13px;
  color: var(--ink);
  box-shadow: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.search-inline input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(46, 107, 230, 0.1);
  outline: none;
}

.search-inline input::placeholder {
  color: #8B9BB3;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: #7C8CA6;
  pointer-events: none;
}

.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  border: 1px solid var(--brand);
  box-shadow: 0 10px 22px rgba(46, 107, 230, 0.22);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}

.btn-main:hover {
  background: var(--brand-hover);
  border-color: var(--brand-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(23, 79, 196, 0.25);
}

.btn-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  background: #fff;
  color: var(--brand);
  border: 1px solid rgba(46, 107, 230, 0.4);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.btn-soft:hover {
  background: var(--brand-bg);
  color: var(--brand);
  transform: translateY(-1px);
}

.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  background: #fff;
  color: var(--deep-navy);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  transition: background .2s ease, transform .2s ease;
}

.btn-light:hover {
  background: #EAF2FF;
  color: var(--deep-navy);
  transform: translateY(-2px);
}

.btn-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  background: var(--blue-pale);
  color: var(--brand);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.btn-mini:hover {
  background: var(--brand-bg);
  color: var(--brand-hover);
  transform: translateY(-1px);
}

main.page-content {
  flex: 1;
}

.hero-welfare {
  padding: 28px 0 0;
}

.hero-welfare .container {
  position: relative;
  z-index: 1;
}

.cat-hero {
  border-radius: var(--radius-lg);
  background: linear-gradient(112deg, rgba(234, 242, 255, 0.98) 0%, rgba(251, 253, 255, 0.96) 100%);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 36px;
  align-items: center;
  padding: 52px 48px;
}

.cat-hero::before {
  content: "";
  position: absolute;
  left: -70px;
  bottom: -100px;
  width: 200px;
  height: 200px;
  background: rgba(46, 107, 230, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.cat-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -80px;
  width: 180px;
  height: 180px;
  border: 30px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid #D4E3F7;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  margin-bottom: 20px;
  box-shadow: 0 6px 14px rgba(24, 60, 120, 0.06);
}

.hero-badge span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.cat-hero h1 {
  font-size: clamp(36px, 4.4vw, 46px);
  line-height: 1.22;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.cat-hero h1 span {
  color: var(--brand);
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.hero-safe {
  font-size: 12px;
  color: #8495AE;
}

.hero-side {
  position: relative;
  z-index: 1;
}

.hero-visual {
  border-radius: 22px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-float);
  min-height: 260px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.hero-visual-inner {
  position: relative;
  z-index: 1;
  padding: 34px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, rgba(13, 43, 82, 0.06) 0%, rgba(13, 43, 82, 0.76) 100%);
  color: #fff;
}

.hero-visual-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(46, 107, 230, 0.1) 0%, rgba(255, 255, 255, 0) 60%);
}

.hero-visual-tag {
  font-size: 13px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 5px 12px;
  border-radius: 999px;
  display: inline-block;
  width: fit-content;
  margin-bottom: 16px;
  position: relative;
}

.hero-visual-title {
  position: relative;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-visual-sub {
  position: relative;
  font-size: 14px;
  opacity: 0.88;
}

.section {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.section-muted {
  background: #EDF3FC;
}

.section-head {
  margin-bottom: 40px;
  max-width: 780px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--brand);
  background: var(--brand-bg);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.01em;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 22px;
  background: var(--brand);
  border-radius: 4px;
  margin-right: 10px;
  vertical-align: -3px;
}

.section-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 16px;
  max-width: 720px;
}

.welfare-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.benefit-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  height: 100%;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-float);
}

.benefit-card__media {
  position: relative;
  height: 176px;
  overflow: hidden;
  background: var(--blue-pale);
}

.benefit-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.benefit-card:hover .benefit-card__media img {
  transform: scale(1.04);
}

.benefit-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 56%, rgba(255, 255, 255, 0.92) 100%);
}

.benefit-card__tag {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.94);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand);
  padding: 4px 10px;
  box-shadow: 0 5px 12px rgba(16, 42, 84, 0.08);
}

.benefit-card__body {
  padding: 22px 20px 20px;
  position: relative;
}

.benefit-card__body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
  line-height: 1.4;
}

.benefit-card__body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 18px;
}

.benefit-card__link {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .2s ease;
}

.benefit-card__link svg {
  width: 15px;
  height: 15px;
}

.benefit-card:hover .benefit-card__link {
  gap: 10px;
}

.welfare-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.welfare-row {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 220px;
  overflow: hidden;
  align-items: stretch;
  transition: transform .22s ease, box-shadow .22s ease;
}

.welfare-row:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.welfare-media {
  position: relative;
  min-height: 180px;
  overflow: hidden;
  background: var(--blue-pale);
}

.welfare-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.welfare-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 70%, rgba(255, 255, 255, 0.3) 100%);
}

.welfare-content {
  padding: 22px 24px;
}

.welfare-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.welfare-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.4;
}

.welfare-content > p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 14px;
}

.welfare-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.welfare-notes li {
  position: relative;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.welfare-notes li svg {
  width: 14px;
  height: 14px;
  color: var(--success);
  flex: 0 0 14px;
}

.welfare-action {
  background: #FAFCFF;
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 18px;
}

.welfare-action-caption {
  font-size: 13px;
  text-align: center;
  color: var(--muted);
  line-height: 1.6;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--brand-bg);
  color: var(--brand);
  line-height: 1;
}

.tag-live {
  background: rgba(23, 182, 140, 0.12);
  color: #128D6B;
}

.tag-live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
}

.tag-warn {
  background: rgba(255, 166, 62, 0.16);
  color: #C77709;
}

.process-wrap {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  counter-reset: step;
}

.process-step {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 28px 22px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.process-step::after {
  content: "";
  position: absolute;
  right: -13px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 9px solid #D9E3F0;
}

.process-step:last-child::after {
  display: none;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 16px;
}

.process-step h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.process-step p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.trust-area {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding-top: 38px;
  padding-bottom: 38px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trust-item {
  padding: 20px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  position: relative;
}

.trust-item + .trust-item {
  border-left: 1px solid #DEE7F2;
}

.trust-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--blue-pale);
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 42px;
}

.trust-icon svg {
  width: 21px;
  height: 21px;
}

.trust-text strong {
  display: block;
  font-size: 16px;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 5px;
  line-height: 1.4;
}

.trust-text span {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.quick-card {
  background: var(--blue-pale);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.quick-card-copy {
  flex: 1 1 260px;
}

.quick-card-copy h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  margin: 0 0 8px;
}

.quick-card-copy p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
}

.quick-chips {
  flex: 2 1 420px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid #D7E3F2;
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.quick-chip svg {
  width: 15px;
  height: 15px;
  color: var(--brand);
}

.quick-chip:hover {
  background: #fff;
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-2px);
}

.faq-section {
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.faq-layout {
  max-width: 920px;
}

.accordion-custom {
  --bs-accordion-border-width: 0;
  --bs-accordion-bg: transparent;
}

.accordion-custom .accordion-item {
  background: #fff;
  border: 1px solid var(--line-soft) !important;
  border-radius: 16px !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.accordion-custom .accordion-button {
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  padding: 21px 24px;
  box-shadow: none;
  border: 0;
  border-radius: 16px !important;
  line-height: 1.5;
}

.accordion-custom .accordion-button:hover {
  background: #F8FBFF;
}

.accordion-custom .accordion-button:not(.collapsed) {
  background: #F8FBFF;
  color: var(--brand);
  box-shadow: none;
}

.accordion-custom .accordion-button::after {
  background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235B6F8F' stroke-width='2' stroke-linecap='round'%3e%3cpath d='M12 5v14M5 12h14'/%3e%3c/svg%3e") no-repeat center/18px;
  width: 18px;
  height: 18px;
  margin-left: auto;
}

.accordion-custom .accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232E6BE6' stroke-width='2' stroke-linecap='round'%3e%3cpath d='M6 6l12 12M18 6L6 18'/%3e%3c/svg%3e");
  transform: rotate(0);
}

.accordion-body-custom {
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px solid #F0F4F9;
  padding-top: 18px;
}

.cta-deep {
  position: relative;
  background: var(--deep-navy);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: #fff;
  text-align: center;
  padding: 72px 32px;
  box-shadow: 0 20px 40px rgba(13, 43, 82, 0.18);
}

.cta-deep::before,
.cta-deep::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border: 28px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  pointer-events: none;
}

.cta-deep::before {
  left: -50px;
  bottom: -60px;
}

.cta-deep::after {
  right: -40px;
  top: -70px;
  border-width: 18px;
  border-color: rgba(46, 107, 230, 0.32);
}

.cta-deep .cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.cta-deep .cta-content h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 14px;
  color: #fff;
}

.cta-deep .cta-content p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.76);
  line-height: 1.8;
  margin-bottom: 30px;
}

.deep-cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  margin-top: var(--space-6);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr 0.8fr 1fr;
  gap: 44px;
  margin-bottom: 34px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex: 0 0 36px;
}

.footer-brand .brand-icon svg {
  width: 20px;
  height: 20px;
}

.footer-brand .brand-text {
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.footer-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 360px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 18px;
  line-height: 1.3;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--muted);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-nav a:hover {
  color: var(--brand);
  padding-left: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #7E8EA8;
}

.mobile-topbar {
  display: none;
}

.mobile-drawer {
  display: none;
}

.mobile-drawer-scrim {
  display: none;
}

@media (max-width: 1250px) {
  .cat-hero {
    padding: 42px 32px;
    gap: 24px;
  }

  .welfare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1090px) {
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-item:nth-child(3) {
    border-left: 0;
  }

  .trust-item:nth-child(1),
  .trust-item:nth-child(2) {
    border-bottom: 1px solid #DEE7F2;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 991.98px) {
  .app-sidebar {
    display: none;
  }

  .app-main {
    margin-left: 0;
  }

  .mobile-topbar {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    z-index: 1030;
    border-bottom: 1px solid var(--line);
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 16px;
    font-weight: 800;
    color: var(--ink);
  }

  .mobile-brand .brand-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    flex: 0 0 34px;
    box-shadow: none;
  }

  .mobile-brand .brand-icon svg {
    width: 19px;
    height: 19px;
  }

  .nav-toggle {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-toggle svg {
    width: 22px;
    height: 22px;
  }

  .app-main {
    padding-top: 64px;
  }

  .content-toolbar {
    background: var(--canvas);
  }

  .mobile-drawer {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1090;
    visibility: hidden;
    transition: visibility 0.3s;
  }

  .mobile-drawer.is-open {
    visibility: visible;
  }

  .mobile-drawer-scrim {
    position: absolute;
    inset: 0;
    display: block;
    background: rgba(13, 43, 82, 0.48);
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
  }

  .mobile-drawer.is-open .mobile-drawer-scrim {
    opacity: 1;
  }

  .drawer-panel {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(86vw, 336px);
    background: #fff;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.32s ease;
    border-right: 1px solid var(--line);
    padding: 16px 12px 20px;
    overflow-y: auto;
  }

  .mobile-drawer.is-open .drawer-panel {
    transform: translateX(0);
  }

  .drawer-close {
    align-self: flex-end;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--line);
    color: var(--muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
  }

  .drawer-close svg {
    width: 18px;
    height: 18px;
  }

  .drawer-panel .sidebar-nav {
    padding: 0 4px;
  }

  .drawer-panel .side-note {
    margin: auto 2px 0;
  }

  .hero-welfare {
    padding-top: 24px;
  }

  .cat-hero {
    grid-template-columns: 1fr;
    padding: 38px 30px;
  }

  .hero-side {
    max-width: 560px;
  }
}

@media (max-width: 767.98px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .content-toolbar .container {
    gap: 10px;
  }

  .toolbar-actions .btn-soft {
    display: none;
  }

  .search-inline {
    width: 150px;
  }

  .welfare-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 26px;
  }

  .section-desc {
    font-size: 15px;
  }

  .welfare-row {
    grid-template-columns: 1fr;
  }

  .welfare-media {
    min-height: 200px;
  }

  .welfare-media::after {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 66%, rgba(255, 255, 255, 0.34) 100%);
  }

  .welfare-action {
    border-left: 0;
    border-top: 1px solid var(--line);
    background: #FAFCFF;
  }

  .process-wrap {
    grid-template-columns: 1fr 1fr;
  }

  .process-step::after {
    display: none;
  }

  .trust-grid {
    grid-template-columns: 1fr;
  }

  .trust-item + .trust-item {
    border-left: 0;
    border-top: 1px solid #DEE7F2;
  }

  .trust-item:nth-child(1),
  .trust-item:nth-child(2) {
    border-bottom: 0;
  }

  .quick-card {
    padding: 28px 22px;
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .cta-deep {
    padding: 54px 24px;
  }

  .cta-deep .cta-content h2 {
    font-size: 27px;
  }
}

@media (max-width: 520px) {
  .crumbs {
    display: none;
  }

  .content-toolbar {
    min-height: 60px;
  }

  .content-toolbar .container {
    justify-content: center;
  }

  .toolbar-actions {
    width: 100%;
  }

  .search-inline {
    width: 100%;
  }

  .cat-hero h1 {
    font-size: 32px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-main,
  .hero-actions .btn-soft {
    width: 100%;
  }

  .cat-hero {
    padding: 30px 20px;
    border-radius: 18px;
  }

  .hero-visual,
  .hero-visual-inner {
    min-height: 210px;
  }

  .hero-visual-inner {
    padding: 24px;
  }

  .section {
    padding-top: 44px;
    padding-bottom: 44px;
  }

  .section-head {
    margin-bottom: 28px;
  }

  .section-desc {
    font-size: 14.5px;
  }

  .process-wrap {
    grid-template-columns: 1fr;
  }

  .welfare-content {
    padding: 18px;
  }

  .welfare-content h3 {
    font-size: 18px;
  }

  .welfare-notes {
    flex-direction: column;
    gap: 9px;
  }

  .welfare-action {
    padding: 16px;
  }

  .welfare-action .btn-mini {
    width: 100%;
  }

  .footer-inner {
    padding-top: 36px;
  }
}

@media (min-width: 992px) {
  .mobile-topbar,
  .mobile-drawer {
    display: none !important;
  }
}

/* roulang page: category4 */
:root{
        --brand:#2E6BE6;
        --brand-hover:#174FC4;
        --brand-soft:#E7F0FF;
        --bg:#F4F7FD;
        --card:#FFFFFF;
        --line:#E1E9F5;
        --ink:#102A54;
        --text-2:#5B6F8F;
        --soft:#EAF2FF;
        --soft-2:#F8FBFF;
        --green:#17B68C;
        --green-bg:#E6F7F1;
        --orange:#FFA63E;
        --navy:#0D2B52;
        --radius-sm:12px;
        --radius:16px;
        --radius-lg:24px;
        --shadow-1:0 4px 16px rgba(24,60,120,.06);
        --shadow-2:0 14px 34px rgba(24,60,120,.12);
        --body-font:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
        --ease:cubic-bezier(.4,0,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box;}
    html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
    body{
        margin:0;
        background:var(--bg);
        color:var(--ink);
        font-family:var(--body-font);
        font-size:15.5px;
        line-height:1.8;
        -webkit-font-smoothing:antialiased;
    }
    img{max-width:100%;display:block;}
    a{color:inherit;text-decoration:none;}
    ul,ol,dl,p,h1,h2,h3,h4,figure{margin:0;}
    input,button,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
    svg{flex-shrink:0;}
    :focus-visible{outline:3px solid rgba(46,107,230,.32);outline-offset:2px;border-radius:6px;}

    /* 顶部移动端条 */
    .mobile-topbar{
        position:sticky;
        top:0;
        z-index:1050;
        display:none;
        width:100%;
        height:64px;
        align-items:center;
        justify-content:space-between;
        gap:12px;
        padding:0 16px;
        background:rgba(255,255,255,.94);
        backdrop-filter:blur(12px);
        -webkit-backdrop-filter:blur(12px);
        border-bottom:1px solid var(--line);
    }
    .mobile-menu-btn{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        width:40px;
        height:40px;
        color:var(--ink);
        background:var(--soft);
        border:0;
        border-radius:12px;
        transition:background .2s var(--ease),transform .2s var(--ease);
    }
    .mobile-menu-btn:hover{background:var(--brand-soft);color:var(--brand);}
    .mobile-brand{
        display:inline-flex;
        align-items:center;
        gap:10px;
        min-width:0;
    }
    .mobile-brand .brand-icon-sm{
        width:34px;
        height:34px;
        border-radius:10px;
        background:var(--brand);
        color:#fff;
        display:inline-flex;
        align-items:center;
        justify-content:center;
        flex-shrink:0;
    }
    .mobile-brand-text{
        font-size:16px;
        font-weight:700;
        white-space:nowrap;
        overflow:hidden;
        text-overflow:ellipsis;
        max-width:180px;
    }
    .mobile-top-enter{
        display:inline-flex;
        align-items:center;
        height:38px;
        border-radius:999px;
        background:var(--brand);
        color:#fff;
        font-size:14px;
        font-weight:600;
        padding:0 18px;
        border:0;
        transition:background .2s var(--ease),transform .2s var(--ease);
    }
    .mobile-top-enter:hover{background:var(--brand-hover);}

    /* 左侧 App Shell */
    .app-sidebar{
        position:fixed;
        top:0;
        bottom:0;
        left:0;
        z-index:1090;
        width:248px;
        background:var(--card);
        border-right:1px solid var(--line);
        display:flex;
        flex-direction:column;
        padding:0 14px;
    }
    .sidebar-brand{
        height:72px;
        display:flex;
        align-items:center;
        gap:12px;
        padding:0 4px;
        border-bottom:1px solid var(--line);
    }
    .sidebar-brand-icon{
        width:40px;
        height:40px;
        border-radius:12px;
        background:var(--brand);
        color:#fff;
        display:inline-flex;
        align-items:center;
        justify-content:center;
        box-shadow:0 6px 14px rgba(46,107,230,.24);
        flex-shrink:0;
    }
    .sidebar-brand-name{
        font-size:16px;
        line-height:1.3;
        font-weight:700;
        color:var(--ink);
        letter-spacing:.02em;
    }
    .sidebar-navigation{
        flex:1;
        overflow-y:auto;
        padding:22px 0 10px;
    }
    .sidebar-navigation::-webkit-scrollbar{width:4px;}
    .sidebar-navigation::-webkit-scrollbar-thumb{background:#D3DEEE;border-radius:8px;}
    .sidebar-nav-title{
        font-size:11.5px;
        font-weight:600;
        letter-spacing:.1em;
        color:#93A5C2;
        text-transform:uppercase;
        padding:0 12px 8px;
    }
    .sidebar-nav{
        display:flex;
        flex-direction:column;
        gap:4px;
    }
    .nav-link-side{
        display:flex;
        align-items:center;
        gap:12px;
        height:44px;
        padding:0 14px;
        border-radius:12px;
        color:var(--text-2);
        font-size:15px;
        font-weight:500;
        transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
    }
    .nav-link-side svg{opacity:.9;}
    .nav-link-side:hover{
        background:#F0F6FF;
        color:var(--brand);
        transform:translateX(2px);
    }
    .nav-link-side.active{
        background:var(--brand-soft);
        color:var(--brand);
        font-weight:600;
        box-shadow:inset 0 0 0 1px rgba(46,107,230,.08);
    }
    .sidebar-foot-card{
        margin-bottom:16px;
        padding:16px;
        background:linear-gradient(145deg,#F4F8FE,#EAF2FF);
        border:1px dashed #C4D6EE;
        border-radius:16px;
    }
    .sidebar-foot-title{
        font-size:14px;
        font-weight:600;
        color:var(--ink);
        margin-bottom:6px;
        display:flex;
        align-items:center;
        gap:6px;
    }
    .sidebar-foot-title svg{color:var(--green);}
    .sidebar-foot-text{
        font-size:12.5px;
        color:var(--text-2);
        line-height:1.7;
    }
    .sidebar-foot-link{
        display:inline-block;
        margin-top:10px;
        font-size:13px;
        font-weight:600;
        color:var(--brand);
    }
    .sidebar-foot-link:hover{color:var(--brand-hover);text-decoration:underline;text-underline-offset:3px;}

    /* 主内容壳 */
    .app-content{
        margin-left:248px;
        min-height:100vh;
        display:flex;
        flex-direction:column;
        background:var(--bg);
    }
    .page-main{
        flex:1;
        padding:24px 28px 72px;
    }
    .page-narrow{max-width:1180px;margin:0 auto;}

    /* 顶部内容条 */
    .content-toolbar{
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:16px;
        padding:0 0 18px;
        max-width:1180px;
        margin:0 auto;
    }
    .crumb-list{
        display:flex;
        align-items:center;
        gap:6px;
        flex-wrap:wrap;
        color:var(--text-2);
        font-size:14px;
    }
    .crumb-list a{color:var(--text-2);transition:color .2s var(--ease);}
    .crumb-list a:hover{color:var(--brand);}
    .crumb-sep{opacity:.45;}
    .crumb-current{color:var(--ink);font-weight:500;}
    .toolbar-right{display:flex;align-items:center;gap:10px;}
    .pill-search{
        display:flex;
        align-items:center;
        gap:8px;
        background:#fff;
        border:1px solid var(--line);
        border-radius:999px;
        padding:0 8px 0 14px;
        width:220px;
        height:40px;
        transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
    }
    .pill-search:focus-within{
        border-color:var(--brand);
        box-shadow:0 0 0 3px rgba(46,107,230,.12);
    }
    .pill-search svg{color:#9AA9C2;}
    .pill-search input{
        border:0;
        padding:0;
        min-width:0;
        width:100%;
        background:transparent;
        font-size:14px;
        color:var(--ink);
    }
    .pill-search input::placeholder{color:#A1B0C8;}
    .pill-search input:focus{outline:none;}
    .tool-enter-btn{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        gap:6px;
        height:40px;
        padding:0 22px;
        border-radius:999px;
        background:var(--brand);
        color:#fff;
        border:0;
        font-size:14px;
        font-weight:600;
        white-space:nowrap;
        transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
    }
    .tool-enter-btn:hover{
        background:var(--brand-hover);
        transform:translateY(-1px);
        box-shadow:0 8px 18px rgba(46,107,230,.24);
    }

    /* 分类 Hero */
    .category-hero{
        position:relative;
        max-width:1180px;
        margin:0 auto 14px;
        padding:54px 56px 50px;
        background:linear-gradient(138deg,#E8F1FF 0%,#F8FBFF 68%,#EAF3FF 100%);
        border:1px solid #D9E7F7;
        border-radius:26px;
        overflow:hidden;
        box-shadow:var(--shadow-1);
    }
    .category-hero::before{
        content:"";
        position:absolute;
        inset:auto -80px -130px auto;
        width:360px;
        height:360px;
        background:radial-gradient(circle,rgba(46,107,230,.14) 0%,rgba(46,107,230,0) 70%);
        border-radius:50%;
        pointer-events:none;
    }
    .category-hero::after{
        content:"";
        position:absolute;
        inset:-90px auto auto -60px;
        width:280px;
        height:280px;
        border-radius:32px;
        background:linear-gradient(135deg,rgba(255,255,255,.72),rgba(255,255,255,0));
        transform:rotate(14deg);
        pointer-events:none;
        border:1px solid rgba(46,107,230,.05);
    }
    .hero-main-relative{position:relative;z-index:2;}
    .hero-grid{
        display:grid;
        grid-template-columns:1.16fr .84fr;
        align-items:center;
        gap:42px;
    }
    .hero-chip{
        display:inline-flex;
        align-items:center;
        gap:8px;
        background:rgba(255,255,255,.72);
        border:1px solid #D9E7F7;
        border-radius:999px;
        padding:6px 14px;
        font-size:13px;
        font-weight:600;
        color:var(--brand);
        margin-bottom:18px;
        backdrop-filter:blur(4px);
    }
    .hero-chip svg{color:var(--green);}
    .category-hero h1{
        font-size:38px;
        line-height:1.28;
        font-weight:700;
        letter-spacing:-.01em;
        margin-bottom:16px;
        color:var(--ink);
    }
    .hero-sub{
        font-size:16.5px;
        line-height:1.85;
        color:var(--text-2);
        max-width:540px;
        margin-bottom:30px;
    }
    .hero-actions{
        display:flex;
        align-items:center;
        gap:12px;
        flex-wrap:wrap;
        margin-bottom:16px;
    }
    .hero-actions .btn-prime{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        height:46px;
        padding:0 26px;
        border-radius:999px;
        background:var(--brand);
        color:#fff;
        font-size:15px;
        font-weight:600;
        border:0;
        transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
    }
    .hero-actions .btn-prime:hover{
        background:var(--brand-hover);
        transform:translateY(-2px);
        box-shadow:0 10px 22px rgba(46,107,230,.25);
    }
    .hero-actions .btn-ghost{
        display:inline-flex;
        align-items:center;
        justify-content:center;
        height:46px;
        padding:0 26px;
        border-radius:999px;
        background:#fff;
        color:var(--brand);
        border:1px solid #BFD3F5;
        font-size:15px;
        font-weight:600;
        transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
    }
    .hero-actions .btn-ghost:hover{
        background:#F0F6FF;
        border-color:var(--brand);
        transform:translateY(-2px);
    }
    .hero-note{
        display:flex;
        align-items:center;
        gap:6px;
        color:#8AA0BF;
        font-size:12.5px;
    }
    .hero-note svg{color:var(--green);}
    .hero-visual{
        position:relative;
        min-height:260px;
    }
    .hero-cover-card{
        position:relative;
        z-index:2;
        border-radius:22px;
        overflow:hidden;
        background:#DDEBFF;
        box-shadow:var(--shadow-2);
        border:1px solid rgba(255,255,255,.7);
        aspect-ratio:1.18/1;
        transform:rotate(1.4deg);
    }
    .hero-cover-card img{
        width:100%;
        height:100%;
        object-fit:cover;
        transition:transform .5s var(--ease);
    }
    .hero-cover-card:hover img{transform:scale(1.04);}
    .hero-float-orb{
        position:absolute;
        border-radius:50%;
        background:var(--brand);
        opacity:.1;
        filter:blur(2px);
        pointer-events:none;
    }
    .orb-one{width:180px;height:180px;left:-45px;bottom:18px;}
    .orb-two{width:90px;height:90px;right:8px;top:-22px;background:var(--green);}

    /* 通用区块标题 */
    .section-head{
        display:flex;
        align-items:flex-end;
        justify-content:space-between;
        gap:18px;
        margin:0 0 28px;
    }
    .section-title-mini{
        display:inline-flex;
        align-items:center;
        gap:6px;
        color:var(--brand);
        font-size:13px;
        font-weight:600;
        margin-bottom:8px;
    }
    .section-title-mini .line{
        width:18px;
        height:3px;
        border-radius:99px;
        background:var(--brand);
        display:inline-block;
    }
    .section-title{
        font-size:28px;
        line-height:1.35;
        font-weight:700;
        letter-spacing:-.01em;
    }
    .section-desc{
        color:var(--text-2);
        margin-top:8px;
        max-width:720px;
        font-size:15px;
    }
    .section-more{
        flex-shrink:0;
        display:inline-flex;
        align-items:center;
        gap:6px;
        color:var(--brand);
        font-weight:600;
        font-size:14px;
        background:rgba(46,107,230,.07);
        border-radius:999px;
        padding:8px 16px;
        transition:background .2s var(--ease),transform .2s var(--ease);
    }
    .section-more:hover{background:var(--brand-soft);transform:translateX(2px);}

    /* 普通内容卡 */
    .category-section{
        max-width:1180px;
        margin:0 auto;
        padding-top:62px;
    }
    .category-section + .category-section{border-top:1px solid #EBF0F8;}

    /* 指南维度 */
    .topics-grid{
        display:grid;
        grid-template-columns:repeat(4,1fr);
        gap:18px;
    }
    .topic-card{
        background:var(--card);
        border-radius:16px;
        border:1px solid #E5EBF5;
        padding:18px;
        position:relative;
        box-shadow:var(--shadow-1);
        transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
    }
    .topic-card:hover{
        transform:translateY(-4px);
        box-shadow:var(--shadow-2);
        border-color:#D6E3F7;
    }
    .topic-icon{
        width:46px;
        height:46px;
        border-radius:14px;
        background:var(--brand-soft);
        color:var(--brand);
        display:flex;
        align-items:center;
        justify-content:center;
        margin-bottom:16px;
    }
    .topic-tag{
        display:inline-block;
        font-size:12px;
        font-weight:600;
        color:var(--brand);
        background:#EEF4FF;
        border-radius:7px;
        padding:2px 9px;
        margin-bottom:10px;
    }
    .topic-title{
        font-size:18px;
        font-weight:600;
        margin-bottom:8px;
    }
    .topic-desc{
        color:var(--text-2);
        font-size:14px;
        line-height:1.8;
    }
    .topic-link{
        display:inline-flex;
        align-items:center;
        gap:6px;
        font-size:14px;
        font-weight:600;
        color:var(--brand);
        margin-top:12px;
        transition:gap .2s var(--ease);
    }
    .topic-link:hover{gap:10px;color:var(--brand-hover);}

    /* 图文展示区 */
    .split-feature{
        display:grid;
        grid-template-columns:1fr 1.1fr;
        gap:40px;
        align-items:center;
        background:var(--card);
        border:1px solid #E5EBF5;
        border-radius:24px;
        padding:42px;
        box-shadow:var(--shadow-1);
    }
    .split-left-title{
        font-size:24px;
        font-weight:700;
        line-height:1.45;
        margin-bottom:12px;
    }
    .split-left-text{
        color:var(--text-2);
        margin-bottom:22px;
    }
    .check-list{
        list-style:none;
        display:flex;
        flex-direction:column;
        gap:13px;
        padding:0;
    }
    .check-list li{
        display:flex;
        align-items:flex-start;
        gap:10px;
        font-size:15px;
        line-height:1.7;
        color:var(--ink);
    }
    .check-list svg{
        color:var(--green);
        margin-top:3px;
        background:var(--green-bg);
        border-radius:50%;
        padding:3px;
        flex-shrink:0;
    }
    .split-right-img{
        position:relative;
        border-radius:20px;
        overflow:hidden;
        border:1px solid var(--line);
        box-shadow:var(--shadow-2);
        background:var(--soft);
    }
    .split-right-img img{
        width:100%;
        height:100%;
        object-fit:cover;
        min-height:270px;
    }
    .split-img-caption{
        position:absolute;
        left:18px;
        right:18px;
        bottom:18px;
        background:rgba(255,255,255,.88);
        backdrop-filter:blur(8px);
        border:1px solid rgba(255,255,255,.6);
        border-radius:14px;
        padding:12px 16px;
        font-size:13px;
        font-weight:600;
        color:var(--ink);
    }

    /* 四步流程 */
    .steps-panel{
        background:#fff;
        border:1px solid #E5EBF5;
        border-radius:24px;
        padding:38px 40px;
        box-shadow:var(--shadow-1);
    }
    .steps-grid{
        display:grid;
        grid-template-columns:repeat(4,1fr);
        gap:20px;
    }
    .step-item{
        position:relative;
        background:#F7FAFE;
        border-radius:18px;
        padding:22px 18px;
        min-height:160px;
        border:1px solid #EDF2FA;
        transition:border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
    }
    .step-item:hover{
        border-color:#C9DBF5;
        background:#F3F8FF;
        transform:translateY(-4px);
    }
    .step-index{
        width:26px;
        height:26px;
        border-radius:9px;
        background:var(--brand);
        color:#fff;
        display:flex;
        align-items:center;
        justify-content:center;
        font-size:14px;
        font-weight:700;
        margin-bottom:14px;
    }
    .step-name{
        font-size:17px;
        font-weight:600;
        margin-bottom:8px;
    }
    .step-detail{
        font-size:13.5px;
        color:var(--text-2);
        line-height:1.85;
    }
    .step-more-note{
        margin-top:24px;
        display:flex;
        align-items:center;
        gap:8px;
        background:var(--soft);
        color:#42648F;
        border-radius:14px;
        padding:12px 16px;
        font-size:13.5px;
    }
    .step-more-note svg{color:var(--brand);}

    /* FAQ */
    .faq-wrap{
        display:grid;
        grid-template-columns:.84fr 1.16fr;
        gap:34px;
        align-items:start;
    }
    .faq-intro{
        background:linear-gradient(145deg,#E8F1FF,#F7FBFF);
        border:1px solid #DBE8F8;
        border-radius:24px;
        padding:28px 24px;
        box-shadow:var(--shadow-1);
        position:sticky;
        top:24px;
    }
    .faq-intro-title{
        display:flex;
        align-items:center;
        gap:10px;
        font-size:20px;
        font-weight:700;
        margin-bottom:12px;
    }
    .faq-intro-title svg{color:var(--brand);}
    .faq-intro p{
        color:var(--text-2);
        font-size:14.5px;
        line-height:1.9;
    }
    .faq-contact-link{
        display:inline-flex;
        align-items:center;
        gap:8px;
        margin-top:20px;
        height:42px;
        border-radius:999px;
        padding:0 20px;
        background:#fff;
        border:1px solid #D6E3F5;
        font-size:14px;
        font-weight:600;
        color:var(--brand);
        transition:background .2s var(--ease),border-color .2s var(--ease);
    }
    .faq-contact-link:hover{background:#fff;border-color:var(--brand);}
    .faq-accordion{
        display:flex;
        flex-direction:column;
        gap:12px;
    }
    .faq-item{
        background:#fff;
        border:1px solid #E5EBF5;
        border-radius:16px;
        overflow:hidden;
        box-shadow:0 2px 8px rgba(24,60,120,.03);
    }
    .faq-item summary{
        cursor:pointer;
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:16px;
        padding:18px 20px;
        list-style:none;
        font-size:15.5px;
        font-weight:600;
        line-height:1.6;
        transition:background .2s var(--ease);
    }
    .faq-item summary::-webkit-details-marker{display:none;}
    .faq-item summary:hover{background:#F7FAFE;}
    .faq-item[open] summary{background:#F7FBFE;color:var(--brand);}
    .faq-item .arrow{
        width:24px;
        height:24px;
        border-radius:8px;
        background:var(--brand-soft);
        color:var(--brand);
        display:inline-flex;
        align-items:center;
        justify-content:center;
        transition:transform .25s var(--ease);
        flex-shrink:0;
    }
    .faq-item[open] .arrow{transform:rotate(180deg);}
    .faq-answer{
        padding:0 20px 20px;
        font-size:14.5px;
        color:var(--text-2);
        border-top:1px dashed #E4ECF6;
    }
    .faq-answer p{margin-top:16px;line-height:1.95;}

    /* CTA */
    .bottom-cta{
        position:relative;
        border-radius:26px;
        background:var(--navy);
        color:#fff;
        padding:56px 48px;
        overflow:hidden;
        text-align:center;
    }
    .bottom-cta::before{
        content:"";
        position:absolute;
        width:360px;
        height:360px;
        border-radius:50%;
        border:1px solid rgba(255,255,255,.11);
        transform:rotate(33deg);
        background:transparent;
        left:-80px;
        top:-210px;
    }
    .bottom-cta::after{
        content:"";
        position:absolute;
        width:360px;
        height:360px;
        border-radius:50%;
        border:1px solid rgba(255,255,255,.07);
        transform:rotate(20deg);
        bottom:-260px;
        right:-80px;
    }
    .bottom-cta h2{
        position:relative;
        color:#fff;
        font-size:30px;
        font-weight:700;
        letter-spacing:-.01em;
        margin-bottom:12px;
    }
    .bottom-cta p{
        position:relative;
        color:#C9D7EC;
        font-size:15.5px;
        max-width:680px;
        margin:0 auto 28px;
        line-height:1.9;
    }
    .cta-actions{
        position:relative;
        display:flex;
        justify-content:center;
        gap:12px;
        flex-wrap:wrap;
    }
    .cta-btn-primary{
        display:inline-flex;
        align-items:center;
        height:48px;
        padding:0 30px;
        border-radius:999px;
        background:#fff;
        color:var(--navy);
        font-weight:700;
        border:0;
        transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
    }
    .cta-btn-primary:hover{
        background:#EAF2FF;
        transform:translateY(-2px);
        box-shadow:0 14px 28px rgba(6,25,53,.3);
    }
    .cta-btn-outline{
        display:inline-flex;
        align-items:center;
        height:48px;
        padding:0 30px;
        border-radius:999px;
        background:transparent;
        color:#C7D8F0;
        border:1px solid rgba(255,255,255,.35);
        transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
    }
    .cta-btn-outline:hover{
        background:rgba(255,255,255,.08);
        border-color:#fff;
        color:#fff;
    }
    .cta-note{
        position:relative;
        display:block;
        color:#8DA8CA;
        font-size:12.5px;
        margin-top:18px;
    }

    /* 页脚 */
    .site-footer{
        background:#fff;
        border-top:1px solid var(--line);
        padding:46px 0 24px;
    }
    .footer-inner{max-width:1180px;margin:0 auto;padding:0 28px;}
    .footer-grid{
        display:grid;
        grid-template-columns:1.5fr 1fr 1fr 1.3fr;
        gap:34px;
        margin-bottom:30px;
    }
    .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
    .brand-icon{
        width:38px;
        height:38px;
        background:var(--brand);
        color:#fff;
        border-radius:11px;
        display:inline-flex;
        align-items:center;
        justify-content:center;
        flex-shrink:0;
    }
    .brand-text{
        font-size:16.5px;
        font-weight:700;
        color:var(--ink);
    }
    .footer-desc{
        color:var(--text-2);
        font-size:13.5px;
        line-height:1.85;
        max-width:300px;
    }
    .footer-title{
        font-size:15px;
        font-weight:600;
        color:var(--ink);
        margin-bottom:14px;
    }
    .footer-nav{
        list-style:none;
        padding:0;
        display:flex;
        flex-direction:column;
        gap:10px;
    }
    .footer-nav a{
        color:var(--text-2);
        font-size:14px;
        transition:color .2s var(--ease),padding-left .2s var(--ease);
    }
    .footer-nav a:hover{color:var(--brand);padding-left:4px;}
    .footer-contact{
        color:var(--text-2);
        font-size:14px;
        display:flex;
        flex-direction:column;
        gap:8px;
        word-break:break-word;
    }
    .footer-bottom{
        border-top:1px solid var(--line);
        padding-top:18px;
        display:flex;
        justify-content:space-between;
        gap:16px;
        flex-wrap:wrap;
        color:#8CA0BE;
        font-size:13px;
    }

    /* Bootstrap offcanvas 覆盖 */
    .guide-drawer{
        background:#fff;
        width:86vw;
        max-width:290px;
        border-right:1px solid var(--line);
    }
    .guide-drawer .offcanvas-header{
        padding:18px 18px 8px;
    }
    .drawer-brand{
        font-size:15.5px;
        font-weight:700;
        display:flex;
        align-items:center;
        gap:8px;
        color:var(--ink);
    }
    .drawer-brand .brand-mini{
        width:34px;
        height:34px;
        background:var(--brand);
        color:#fff;
        border-radius:10px;
        display:inline-flex;
        align-items:center;
        justify-content:center;
    }
    .guide-drawer .offcanvas-body{
        padding:14px;
    }
    .guide-drawer .sidebar-nav-title{padding-top:12px;}
    .guide-drawer .sidebar-foot-card{margin-top:18px;}

    /* 响应式 */
    @media (max-width:1210px){
        .app-sidebar{width:228px;}
        .app-content{margin-left:228px;}
        .page-main{padding:20px 20px 60px;}
        .footer-inner{padding:0 20px;}
    }
    @media (max-width:991.98px){
        .mobile-topbar{display:flex;}
        .app-sidebar{display:none;}
        .app-content{margin-left:0;}
        .content-toolbar{padding-top:0;}
        .page-main{padding:18px 16px 56px;}
        .category-hero{padding:34px 24px 34px;}
        .hero-grid{grid-template-columns:1fr;gap:28px;}
        .hero-sub{max-width:none;}
        .topics-grid{grid-template-columns:repeat(2,1fr);}
        .split-feature{grid-template-columns:1fr;padding:30px 24px;}
        .steps-grid{grid-template-columns:repeat(2,1fr);}
        .faq-wrap{grid-template-columns:1fr;}
        .faq-intro{position:static;}
        .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
    }
    @media (max-width:767.98px){
        .toolbar-right .pill-search{display:none;}
        .content-toolbar{padding-bottom:15px;}
        .category-hero h1{font-size:28px;}
        .section-title{font-size:23px;}
        .category-section{padding-top:48px;}
        .topics-grid{grid-template-columns:1fr;}
        .split-feature{padding:24px 18px;}
        .steps-panel{padding:24px 18px;}
        .steps-grid{grid-template-columns:1fr;}
        .hero-actions .btn-prime,.hero-actions .btn-ghost{width:100%;}
        .bottom-cta{padding:44px 22px;}
        .bottom-cta h2{font-size:24px;}
        .footer-grid{grid-template-columns:1fr;gap:26px;}
        .footer-bottom{flex-direction:column;gap:6px;}
        .toolbar-enter-label{display:none;}
    }
    @media (max-width:520px){
        .mobile-top-enter{padding:0 14px;font-size:13px;}
        .hero-chip{font-size:12px;padding:5px 11px;}
        .hero-actions .btn-ghost{order:3;}
        .hero-note{margin-top:2px;}
        .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
        .section-more{margin-left:0;}
        .split-left-title{font-size:20px;}
        .steps-grid{grid-template-columns:1fr;}
        .footer-inner{padding:0 16px;}
        .page-main{padding:16px 12px 48px;}
        .category-hero{padding:28px 16px;}
    }