/* roulang page: index */
:root {
            --clr-bg: #F5F9FB;
            --clr-bg-alt: #EDF3F6;
            --clr-card: #FFFFFF;
            --clr-primary: #2D7D99;
            --clr-primary-dark: #1E5E77;
            --clr-primary-soft: #DFEEF2;
            --clr-accent: #D99A3D;
            --clr-accent-soft: #F7E9D5;
            --clr-text: #1B2A33;
            --clr-text-secondary: #4E6270;
            --clr-text-muted: #859BA6;
            --clr-border: #DCE7EC;
            --clr-footer: #20343E;
            --radius-card: 14px;
            --radius-pill: 999px;
            --radius-control: 10px;
            --shadow-card: 0 6px 20px rgba(21, 57, 75, 0.07);
            --shadow-hover: 0 14px 32px rgba(21, 57, 75, 0.12);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.8;
            color: var(--clr-text);
            background: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 88px 0;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 16px;
            background: var(--clr-primary-soft);
            color: var(--clr-primary-dark);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: .4px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--clr-text);
            margin: 12px 0 14px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--clr-text-secondary);
            margin: 0;
            line-height: 1.8;
        }
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            padding: 12px 28px;
            font-size: 15px;
            transition: all .25s ease;
            border: 1px solid transparent;
        }
        .btn-primary-custom {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #fff;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--clr-primary-dark);
            border-color: var(--clr-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(45, 125, 153, 0.25);
        }
        .btn-outline-custom {
            background: transparent;
            border-color: var(--clr-border);
            color: var(--clr-primary-dark);
        }
        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            border-color: var(--clr-primary);
            color: var(--clr-primary-dark);
            background: var(--clr-primary-soft);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--clr-accent);
            border-color: var(--clr-accent);
            color: #fff;
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: #b9822c;
            border-color: #b9822c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(217, 154, 61, 0.25);
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--clr-primary);
            transition: gap .2s ease;
        }
        .text-link:hover {
            gap: 10px;
            color: var(--clr-primary-dark);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--clr-border);
            transition: box-shadow .25s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 6px 20px rgba(21, 57, 75, 0.06);
        }
        .site-header .inner {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--clr-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .brand-mark::after {
            content: "";
            position: absolute;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--clr-accent);
            right: -4px;
            top: -4px;
            opacity: 0.8;
        }
        .brand-mark i {
            position: relative;
            z-index: 1;
        }
        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--clr-text);
            letter-spacing: 0.2px;
            line-height: 1.2;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--clr-bg-alt);
            padding: 5px;
            border-radius: var(--radius-pill);
        }
        .main-nav .nav-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--clr-text-secondary);
            white-space: nowrap;
            transition: all .2s ease;
        }
        .main-nav .nav-item:hover {
            color: var(--clr-primary-dark);
            background: rgba(255, 255, 255, 0.6);
        }
        .main-nav .nav-item.active {
            background: var(--clr-card);
            color: var(--clr-primary);
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.08);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .header-cta .btn {
            padding: 9px 22px;
            font-size: 14px;
        }
        .mobile-toggle {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--clr-border);
            background: #fff;
            color: var(--clr-text);
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .2s ease;
        }
        .mobile-toggle:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
        }
        .mobile-nav-panel {
            background: #fff;
            border-top: 1px solid var(--clr-border);
            padding: 16px 20px 20px;
        }
        .mobile-nav-scroll {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 2px 0 12px;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .mobile-nav-scroll::-webkit-scrollbar {
            display: none;
        }
        .mobile-nav-scroll .nav-item {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            background: var(--clr-bg-alt);
            font-size: 14px;
            font-weight: 600;
            color: var(--clr-text-secondary);
        }
        .mobile-nav-scroll .nav-item.active {
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
        }
        .mobile-nav-panel .btn {
            width: 100%;
            justify-content: center;
            margin-top: 8px;
        }

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(180deg, #F4F9FB 0%, #EDF3F6 100%);
            overflow: hidden;
            padding: 76px 0 72px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            align-items: center;
        }
        .hero-copy {
            padding-right: 24px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: #FFFFFF;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            color: var(--clr-primary-dark);
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.04);
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 18px;
            color: var(--clr-text);
            letter-spacing: 0.2px;
        }
        .hero h1 .highlight {
            color: var(--clr-primary);
            position: relative;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--clr-text-secondary);
            margin-bottom: 30px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-visual {
            position: relative;
            text-align: center;
        }
        .hero-img-wrap {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(21, 57, 75, 0.15);
            border: 5px solid rgba(255, 255, 255, 0.7);
            background: var(--clr-card);
        }
        .hero-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-float-card {
            position: absolute;
            left: -22px;
            bottom: 26px;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-hover);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            border: 1px solid var(--clr-border);
            max-width: 260px;
        }
        .hero-float-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }
        .hero-float-text {
            text-align: left;
        }
        .hero-float-text strong {
            display: block;
            font-size: 14px;
            color: var(--clr-text);
        }
        .hero-float-text span {
            font-size: 12px;
            color: var(--clr-text-muted);
        }

        /* Stats */
        .stats-bar {
            padding: 28px 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--clr-border);
        }
        .stats-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        .stats-item {
            flex: 1 1 0;
            text-align: center;
            padding: 12px 20px;
            position: relative;
        }
        .stats-item + .stats-item {
            border-left: 1px solid var(--clr-border);
        }
        .stats-item .num {
            font-size: 30px;
            font-weight: 700;
            color: var(--clr-primary);
            font-feature-settings: "tnum";
            line-height: 1.2;
        }
        .stats-item .label {
            font-size: 14px;
            color: var(--clr-text-secondary);
            margin-top: 4px;
        }

        /* Feature section */
        .feature-section {
            background: var(--clr-bg);
        }
        .feature-card-main {
            border-radius: var(--radius-card);
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            height: 100%;
            transition: all .3s ease;
        }
        .feature-card-main:hover {
            box-shadow: var(--shadow-hover);
            border-color: #C4DDE5;
        }
        .feature-card-img img {
            width: 100%;
            max-height: 220px;
            object-fit: cover;
        }
        .feature-card-body {
            padding: 28px;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
            font-size: 19px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            transition: all .3s ease;
        }
        .feature-card-main:hover .feature-icon,
        .feature-card-slim:hover .feature-icon {
            background: var(--clr-primary);
            color: #fff;
        }
        .feature-card-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-card-body p {
            font-size: 15px;
            color: var(--clr-text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .feature-side-grid {
            display: flex;
            flex-direction: column;
            gap: 24px;
            height: 100%;
        }
        .feature-card-slim {
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all .3s ease;
            flex: 1;
        }
        .feature-card-slim:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .feature-card-slim .feature-icon {
            width: 40px;
            height: 40px;
            font-size: 16px;
            margin-bottom: 14px;
            border-radius: 10px;
        }
        .feature-card-slim h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card-slim p {
            font-size: 14px;
            color: var(--clr-text-secondary);
            margin: 0;
        }
        .feature-card-wide {
            margin-top: 24px;
            background: var(--clr-primary-soft);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            border: 1px solid rgba(45, 125, 153, 0.12);
        }
        .feature-card-wide .content {
            flex: 1 1 60%;
        }
        .feature-card-wide h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card-wide p {
            font-size: 15px;
            color: var(--clr-text-secondary);
            margin: 0;
        }
        .feature-card-wide .extra {
            flex: 0 0 auto;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Scene strp */
        .scene-section {
            background: var(--clr-bg);
            padding: 88px 0;
        }
        .scene-list {
            background: #fff;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 0 36px;
        }
        .scene-row {
            display: flex;
            align-items: center;
            gap: 30px;
            padding: 28px 0;
            flex-wrap: wrap;
        }
        .scene-row + .scene-row {
            border-top: 1px solid var(--clr-border);
        }
        .scene-num {
            flex: 0 0 56px;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-feature-settings: "tnum";
        }
        .scene-main {
            flex: 1 1 40%;
            min-width: 240px;
        }
        .scene-main h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .scene-main p {
            font-size: 14px;
            color: var(--clr-text-secondary);
            margin: 0;
        }
        .scene-link {
            flex: 0 0 auto;
        }
        .scene-img {
            flex: 0 0 140px;
            border-radius: 14px;
            overflow: hidden;
            max-width: 180px;
            margin-left: auto;
        }
        .scene-img img {
            width: 100%;
            height: 90px;
            object-fit: cover;
        }

        /* Highlight section */
        .showcase-section {
            background: #FFFFFF;
        }
        .showcase-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .showcase-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--clr-border);
            background: var(--clr-card);
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
        }
        .showcase-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .showcase-card .media {
            overflow: hidden;
            position: relative;
        }
        .showcase-card .media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .showcase-card:hover .media img {
            transform: scale(1.04);
        }
        .showcase-card .info {
            padding: 22px;
        }
        .showcase-card .info h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .showcase-card .info p {
            font-size: 14px;
            color: var(--clr-text-secondary);
            margin: 0 0 12px;
        }
        .showcase-card .info .tag-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .showcase-card .info .tag {
            font-size: 12px;
            padding: 3px 12px;
            background: var(--clr-bg-alt);
            color: var(--clr-text-secondary);
            border-radius: var(--radius-pill);
        }
        .showcase-main {
            grid-column: span 7;
        }
        .showcase-main .media {
            height: 340px;
        }
        .showcase-sub {
            grid-column: span 5;
        }
        .showcase-sub .media {
            height: 142px;
        }
        .showcase-wide {
            grid-column: 1 / -1;
            margin-top: 0;
        }
        .showcase-wide .inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        .showcase-wide .media {
            width: 30%;
            min-height: 190px;
        }
        .showcase-wide .info {
            flex: 1;
            padding: 28px;
        }

        /* Pricing */
        .pricing-section {
            background: var(--clr-bg-alt);
        }
        .pricing-card {
            background: var(--clr-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-card);
            padding: 28px 26px;
            height: 100%;
            position: relative;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-top: 4px solid var(--clr-primary);
            box-shadow: 0 18px 38px rgba(21, 57, 75, 0.13);
            transform: translateY(-12px);
        }
        .pricing-card.featured:hover {
            transform: translateY(-14px);
        }
        .pricing-flag {
            position: absolute;
            top: -10px;
            left: 26px;
            background: var(--clr-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
        }
        .pricing-name {
            font-size: 18px;
            font-weight: 700;
        }
        .pricing-desc {
            font-size: 13px;
            color: var(--clr-text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .pricing-price {
            font-size: 34px;
            font-weight: 700;
            color: var(--clr-text);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .pricing-price small {
            font-size: 14px;
            font-weight: 400;
            color: var(--clr-text-muted);
        }
        .pricing-list {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
            flex: 1;
        }
        .pricing-list li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--clr-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .pricing-list li i {
            color: var(--clr-primary);
            font-size: 13px;
            margin-top: 6px;
        }
        .pricing-list li.disabled {
            color: var(--clr-text-muted);
        }
        .pricing-list li.disabled i {
            color: var(--clr-border);
        }

        /* News */
        .news-section {
            background: var(--clr-bg);
        }
        .news-card {
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #BCD8E2;
        }
        .news-meta {
            margin-bottom: 14px;
        }
        .news-meta .chip {
            display: inline-block;
            padding: 4px 14px;
            background: var(--clr-primary-soft);
            color: var(--clr-primary-dark);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
        }
        .news-date {
            font-size: 13px;
            color: var(--clr-text-muted);
        }
        .news-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .news-title a {
            color: var(--clr-text);
            transition: color .2s ease;
        }
        .news-title a:hover {
            color: var(--clr-primary);
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--clr-text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-link {
            font-weight: 600;
            color: var(--clr-primary);
            font-size: 14px;
        }
        .news-link i {
            transition: transform .2s ease;
        }
        .news-link:hover {
            color: var(--clr-primary-dark);
        }
        .news-link:hover i {
            transform: translateX(4px);
        }
        .empty-state {
            text-align: center;
            background: var(--clr-card);
            border: 1px dashed var(--clr-border);
            border-radius: var(--radius-card);
            padding: 60px 20px;
        }
        .empty-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--clr-bg-alt);
            color: var(--clr-primary);
            font-size: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .empty-state h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .empty-state p {
            font-size: 14px;
            color: var(--clr-text-muted);
            margin: 0;
        }

        /* FAQ + form */
        .faq-form-section {
            background: #FFFFFF;
            padding: 88px 0;
        }
        .faq-title-wrap {
            margin-bottom: 24px;
        }
        .accordion {
            --bs-accordion-border-color: var(--clr-border);
            --bs-accordion-border-radius: var(--radius-card);
            --bs-accordion-inner-border-radius: var(--radius-card);
        }
        .accordion-item {
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-card) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--clr-card);
            box-shadow: 0 3px 12px rgba(21, 57, 75, 0.03);
        }
        .accordion-button {
            background: var(--clr-card);
            color: var(--clr-text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 22px;
            box-shadow: none !important;
            position: relative;
        }
        .accordion-button:not(.collapsed) {
            background: var(--clr-primary-soft);
            color: var(--clr-primary-dark);
        }
        .accordion-button::after {
            background-image: none !important;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            transition: transform .3s ease;
            color: var(--clr-primary);
            transform: none;
            font-size: 14px;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--clr-primary-dark);
        }
        .accordion-body {
            padding: 4px 22px 20px;
            font-size: 15px;
            color: var(--clr-text-secondary);
            line-height: 1.85;
        }
        .contact-form-wrap {
            background: var(--clr-bg);
            border: 1px solid var(--clr-border);
            border-radius: 18px;
            padding: 32px;
            box-shadow: var(--shadow-card);
        }
        .contact-form-wrap h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .contact-form-wrap .sub {
            font-size: 14px;
            color: var(--clr-text-muted);
            margin-bottom: 24px;
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--clr-text);
        }
        .form-control,
        .form-select {
            border-radius: var(--radius-control);
            border: 1px solid var(--clr-border);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--clr-text);
            background: #fff;
            transition: all .2s ease;
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--clr-primary);
            box-shadow: 0 0 0 4px rgba(45, 125, 153, 0.12);
        }

        /* CTA banner */
        .cta-banner-section {
            background: #fff;
            padding: 30px 0 80px;
        }
        .cta-banner {
            background: var(--clr-primary-soft);
            border-radius: 22px;
            padding: 44px 48px;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
        }
        .cta-banner .info {
            position: relative;
            z-index: 1;
        }
        .cta-banner h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-banner p {
            margin: 0;
            color: var(--clr-text-secondary);
            font-size: 15px;
        }
        .cta-banner .actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--clr-footer);
            color: #B7C9D1;
            font-size: 14px;
            padding: 72px 0 0;
        }
        .site-footer h5 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: .3px;
        }
        .footer-brand {
            margin-bottom: 20px;
        }
        .footer-brand .brand-name {
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: #9EB1BA;
            max-width: 300px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #B7C9D1;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: var(--clr-accent);
        }
        .footer-links i {
            width: 20px;
            color: var(--clr-primary-soft);
            font-size: 12px;
            margin-right: 4px;
        }
        .footer-bottom {
            margin-top: 56px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }
        .footer-bottom span,
        .footer-bottom a {
            font-size: 13px;
            color: #91A6B0;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1199.98px) {
            .showcase-main {
                grid-column: span 12;
            }
            .showcase-main .media {
                height: 260px;
            }
            .showcase-sub {
                grid-column: span 6;
            }
            .showcase-sub .media {
                height: 160px;
            }
            .hero h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 991.98px) {
            .section {
                padding: 64px 0;
            }
            .hero {
                padding: 48px 0;
            }
            .hero-copy {
                padding-right: 0;
                margin-bottom: 36px;
                text-align: center;
            }
            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-visual {
                max-width: 580px;
                margin: 0 auto;
            }
            .hero-float-card {
                left: auto;
                right: -8px;
                bottom: -18px;
            }
            .stats-item .num {
                font-size: 25px;
            }
            .scene-row {
                flex-wrap: wrap;
            }
            .scene-img {
                margin-left: 0;
                max-width: 160px;
                flex-basis: 40%;
            }
            .showcase-sub {
                grid-column: span 12;
            }
            .pricing-card.featured {
                transform: translateY(-6px);
            }
            .pricing-card.featured:hover {
                transform: translateY(-8px);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 767.98px) {
            .section-head h2 {
                font-size: 26px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-float-card {
                display: none;
            }
            .stats-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stats-item + .stats-item {
                border-left: none;
                border-top: 1px solid var(--clr-border);
            }
            .stats-item:nth-child(odd) {
                border-right: 1px solid var(--clr-border);
            }
            .scene-list {
                padding: 0 24px;
            }
            .scene-row {
                padding: 24px 0;
            }
            .scene-num {
                flex-basis: 46px;
                width: 46px;
                height: 46px;
            }
            .scene-img {
                flex-basis: 100%;
                max-width: 100%;
                margin-top: 4px;
            }
            .scene-img img {
                height: 130px;
            }
            .pricing-section .row {
                display: flex;
                flex-direction: column;
            }
            .pricing-card.featured {
                transform: none;
                margin-top: 8px;
                margin-bottom: 8px;
            }
            .pricing-card.featured:hover {
                transform: none;
            }
            .showcase-wide .media {
                width: 100%;
                min-height: 180px;
            }
            .cta-banner {
                padding: 30px 24px;
            }
            .cta-banner .actions .btn {
                width: 100%;
            }
            .contact-form-wrap {
                padding: 24px;
            }
        }
        @media (max-width: 575.98px) {
            .section {
                padding: 52px 0;
            }
            .hero {
                padding: 36px 0 42px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .feature-card-body {
                padding: 22px;
            }
            .feature-card-wide {
                padding: 24px 20px;
            }
            .showcase-main .media {
                height: 190px;
            }
            .showcase-sub .media {
                height: 150px;
            }
        }

/* roulang page: article */
:root {
            --bg: #F5F9FB;
            --bg-alt: #EDF3F6;
            --primary: #2D7D99;
            --primary-dark: #1E5E77;
            --primary-light: #DFEEF2;
            --accent: #D99A3D;
            --accent-light: #F7E9D5;
            --text-main: #1B2A33;
            --text-muted: #4E6270;
            --text-light: #859BA6;
            --border: #DCE7EC;
            --card: #FFFFFF;
            --shadow-sm: 0 6px 20px rgba(21, 57, 75, 0.06);
            --shadow-hover: 0 14px 34px rgba(21, 57, 75, 0.12);
            --radius: 14px;
            --radius-pill: 999px;
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.7;
            background-color: var(--bg);
            color: var(--text-main);
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

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

        .container {
            max-width: 1200px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(12px);
            padding: 12px 0;
        }

        .brand-block {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 19px;
            transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
        }

        .brand-block:hover .brand-mark {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-alt);
            padding: 6px;
            border-radius: var(--radius-pill);
            flex-wrap: nowrap;
        }

        .main-nav .nav-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
        }

        .main-nav .nav-item:hover {
            color: var(--primary-dark);
            background: rgba(255, 255, 255, 0.4);
        }

        .main-nav .nav-item.active {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.1);
            font-weight: 600;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--primary);
            padding: 9px 22px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(21, 57, 75, 0.04);
        }

        .header-cta:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 10px 24px rgba(45, 125, 153, 0.22);
        }

        .navbar-toggler {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            color: var(--primary);
            font-size: 18px;
            box-shadow: none;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(45, 125, 153, 0.15);
            border-color: var(--primary);
        }

        .mobile-nav-main {
            border-top: 1px solid var(--border);
            margin-top: 14px;
            padding-top: 14px;
        }

        .mobile-nav-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-list a {
            padding: 12px 14px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--text-main);
            font-weight: 500;
        }

        .mobile-nav-list a.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-nav-cta {
            display: block;
            width: 100%;
            text-align: center;
            margin: 12px 0 6px;
            padding: 12px 18px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-pill);
            font-weight: 600;
        }

        .mobile-nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        .article-page-banner {
            background: linear-gradient(180deg, rgba(223, 238, 242, 0.95), rgba(245, 249, 251, 0.8));
            border-bottom: 1px solid var(--border);
            padding: 44px 0 32px;
            position: relative;
            overflow: hidden;
        }

        .article-page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center 20% no-repeat;
            background-size: cover;
            opacity: 0.08;
            pointer-events: none;
        }

        .article-page-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 22px;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
        }

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

        .breadcrumb-sep {
            color: var(--text-light);
            font-size: 12px;
        }

        .article-page-banner h1 {
            max-width: 860px;
            font-size: 36px;
            line-height: 1.28;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 18px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 20px;
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .meta-item i {
            color: var(--primary);
            font-size: 14px;
        }

        .meta-tag {
            display: inline-flex;
            align-items: center;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
        }

        .article-main-section {
            padding: 48px 0 20px;
        }

        .article-reader-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-reader {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 44px 56px 44px;
            box-shadow: var(--shadow-sm);
        }

        .article-content {
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.9;
            word-break: break-word;
        }

        .article-content > *:first-child {
            margin-top: 0;
        }

        .article-content p {
            margin: 0 0 1.35em;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: 1.45em;
            margin-bottom: 0.7em;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-main);
        }

        .article-content h2 {
            font-size: 24px;
            border-left: 4px solid var(--primary);
            padding-left: 14px;
        }

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

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

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.5em;
            padding-left: 1.4em;
        }

        .article-content li {
            margin-bottom: 0.45em;
        }

        .article-content ul li::marker {
            color: var(--primary);
        }

        .article-content ol li::marker {
            color: var(--primary);
            font-weight: 600;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-decoration-color: rgba(45, 125, 153, 0.35);
            text-underline-offset: 4px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
            text-decoration-color: var(--primary-dark);
        }

        .article-content blockquote {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            padding: 18px 22px;
            border-radius: 0 14px 14px 0;
            margin: 1.6em 0;
            color: var(--text-main);
        }

        .article-content img {
            display: block;
            max-width: 100%;
            border-radius: 16px;
            margin: 1.6em auto;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4em 0;
            font-size: 15px;
            background: #fff;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .article-content code {
            background: var(--bg-alt);
            color: var(--primary-dark);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.92em;
        }

        .article-footbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-top: 36px;
            padding-top: 26px;
            border-top: 1px solid var(--border);
        }

        .article-footbar .btn-back-cat {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-alt);
            color: var(--text-main);
            border-radius: var(--radius-pill);
            padding: 10px 18px;
            font-size: 14px;
        }

        .article-footbar .btn-back-cat i {
            color: var(--primary);
        }

        .article-footbar .btn-back-cat:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .article-footbar .to-home {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
        }

        .article-footbar .to-home:hover {
            text-decoration: underline;
        }

        .not-found-wrap {
            text-align: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 80px 20px;
            box-shadow: var(--shadow-sm);
        }

        .not-found-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 68px;
            height: 68px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 28px;
            margin-bottom: 18px;
        }

        .not-found-wrap h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
        }

        .not-found-wrap p {
            color: var(--text-muted);
            max-width: 420px;
            margin: 10px auto 20px;
        }

        .btn-light-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-weight: 500;
            color: var(--primary);
            background: #fff;
        }

        .btn-light-outline:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .related-section {
            padding: 44px 0 54px;
        }

        .related-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .related-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 28px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(45, 125, 153, 0.35);
        }

        .related-card .card-thumb {
            width: 100%;
            overflow: hidden;
            position: relative;
        }

        .related-card.featured-card .card-thumb {
            aspect-ratio: 16 / 10;
        }

        .related-card:not(.featured-card) .card-thumb {
            aspect-ratio: 4 / 3;
        }

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

        .related-card:hover .card-thumb img {
            transform: scale(1.04);
        }

        .card-cat-chip {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 5px 12px;
            backdrop-filter: blur(6px);
            box-shadow: 0 2px 10px rgba(21, 57, 75, 0.12);
        }

        .related-card .card-body {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: 22px;
            flex: 1;
        }

        .related-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .related-card .card-body p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-link-more {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }

        .card-link-more i {
            transition: transform 0.2s ease;
        }

        .card-link-more:hover i {
            transform: translateX(4px);
        }

        .faq-section {
            padding: 54px 0 60px;
            background: var(--bg-alt);
            border-top: 1px solid var(--border);
        }

        .faq-heading {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.08em;
            margin-bottom: 6px;
        }

        .faq-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 28px;
        }

        .custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 14px;
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.04);
        }

        .custom-accordion .accordion-button {
            background: #fff;
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            gap: 12px;
            border: 0;
            box-shadow: none;
            position: relative;
            border-left: 4px solid transparent;
            border-radius: 0;
        }

        .custom-accordion .accordion-button::after {
            background: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            width: auto;
            height: auto;
            flex-shrink: 0;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-left-color: var(--primary);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(45, 125, 153, 0.1);
        }

        .custom-accordion .accordion-body {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 20px 18px;
            background: #fff;
            border-bottom: 1px solid transparent;
        }

        .site-footer {
            background: #20343E;
            color: #C9D6DD;
            padding: 58px 0 0;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 18px;
        }

        .footer-brand .brand-mark {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .footer-brand .brand-name {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }

        .footer-desc {
            color: #A9C0CA;
            font-size: 14px;
            line-height: 1.85;
            margin-top: 18px;
            max-width: 340px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-links li {
            display: flex;
            align-items: flex-start;
            gap: 2px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: flex-start;
            gap: 7px;
            color: #A9C0CA;
            padding: 3px 0;
        }

        .footer-links a i {
            margin-top: 7px;
            color: var(--accent);
            font-size: 11px;
        }

        .footer-links .fa-regular,
        .footer-links .fa-circle-check {
            color: #7FA3B3;
            margin-top: 7px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            margin-top: 42px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: #8AA6B4;
            font-size: 13px;
        }

        .footer-bottom a {
            color: #B9D2DC;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 991.98px) {
            .article-page-banner {
                padding: 34px 0 24px;
            }

            .article-page-banner h1 {
                font-size: 30px;
            }

            .article-reader {
                padding: 30px 24px;
                border-radius: 16px;
            }
        }

        @media (max-width: 767.98px) {
            .article-page-banner h1 {
                font-size: 26px;
            }

            .article-page-banner {
                padding: 28px 0 20px;
            }

            .article-reader {
                padding: 22px 18px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }

            .article-main-section {
                padding: 28px 0 10px;
            }

            .related-section {
                padding: 26px 0 38px;
            }

            .faq-section {
                padding: 36px 0 40px;
            }

            .site-footer {
                padding-top: 40px;
            }

            .footer-bottom {
                margin-top: 28px;
            }
        }

        @media (max-width: 575.98px) {
            .article-page-banner h1 {
                font-size: 22px;
            }

            .article-meta-row {
                gap: 8px 12px;
                font-size: 13px;
            }

            .breadcrumb-nav {
                font-size: 13px;
            }

            .article-reader {
                padding: 18px 14px;
            }

            .related-card .card-body {
                padding: 16px;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-body: #F5F9FB;
            --bg-soft: #EDF3F6;
            --bg-card: #FFFFFF;
            --primary: #2D7D99;
            --primary-dark: #1E5E77;
            --primary-light: #DFEEF2;
            --accent: #D99A3D;
            --accent-light: #F7E9D5;
            --text-main: #1B2A33;
            --text-secondary: #4E6270;
            --text-muted: #859BA6;
            --border: #DCE7EC;
            --footer-bg: #20343E;
            --radius: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 6px 20px rgba(21, 57, 75, 0.07);
            --shadow-md: 0 12px 30px rgba(21, 57, 75, 0.10);
            --shadow-hover: 0 14px 32px rgba(21, 57, 75, 0.12);
            --transition: .25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 96px 0;
        }

        .section-white {
            background: var(--bg-card);
        }

        .section-soft {
            background: var(--bg-soft);
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .16em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }

        .section-lead {
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 24px;
            max-width: 720px;
        }

        .btn {
            border-radius: 999px;
            font-size: 15px;
            padding: 11px 24px;
            font-weight: 600;
            transition: all .25s ease;
        }

        .btn-primary {
            background: var(--primary);
            border: 1px solid var(--primary);
            box-shadow: 0 6px 16px rgba(45, 125, 153, .18);
            color: #fff;
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(30, 94, 119, .22);
        }

        .btn-outline-primary {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ================== 页头导航 ================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 14px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--text-main);
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: 12px;
            color: var(--primary);
            font-size: 18px;
            flex: 0 0 auto;
        }

        .brand-text {
            font-size: 21px;
            font-weight: 700;
            letter-spacing: .01em;
            color: var(--text-main);
            white-space: nowrap;
        }

        .main-nav {
            background: var(--bg-soft);
            border-radius: 999px;
            padding: 5px;
            display: flex;
            flex-wrap: nowrap;
            align-items: center;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            line-height: 1;
            padding: 9px 20px;
            border-radius: 999px;
            white-space: nowrap;
            text-decoration: none;
            transition: color .22s ease, background .22s ease, box-shadow .22s ease;
        }

        .nav-item:hover {
            color: var(--text-main);
        }

        .nav-item.active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(21, 57, 75, .08);
        }

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

        .mobile-toggle {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text-main);
            font-size: 18px;
        }

        .mobile-nav-panel {
            border-top: 1px solid var(--border);
            background: #fff;
            padding: 14px 0 18px;
        }

        .mobile-nav {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 4px 0 12px;
            scrollbar-width: thin;
        }

        .mobile-nav .nav-item {
            flex: 0 0 auto;
        }

        /* ================== 分类 Hero ================== */
        .category-hero {
            position: relative;
            padding: 88px 0 84px;
            background-image: linear-gradient(120deg, rgba(223, 238, 242, .96), rgba(245, 249, 251, .88)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border);
        }

        .category-hero .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            background: rgba(255, 255, 255, .84);
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid rgba(45, 125, 153, .18);
            margin-bottom: 20px;
        }

        .category-hero h1 {
            font-size: 46px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .hero-lead {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 22px;
            line-height: 1.9;
        }

        .hero-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-keyword {
            font-size: 13px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, .78);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
        }

        .hero-aside-card {
            background: rgba(255, 255, 255, 0.88);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            padding: 22px 20px;
            max-width: 340px;
            margin-left: auto;
        }

        .hero-aside-card .row-line {
            display: flex;
            gap: 14px;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
        }

        .hero-aside-card .row-line:last-child {
            border-bottom: 0;
        }

        .aside-icon {
            flex: 0 0 42px;
            width: 42px;
            height: 42px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
        }

        .aside-text strong {
            display: block;
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .aside-text span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ================== 内容概览 ================== */
        .overview-section .overview-media {
            position: relative;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .overview-media img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .overview-note {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .6);
            border-radius: 14px;
            padding: 14px 18px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .overview-note i {
            color: var(--accent);
            font-size: 22px;
        }

        .overview-note strong {
            display: block;
            font-size: 14px;
        }

        .overview-note span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px 18px;
            margin-top: 22px;
        }

        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 14px 16px;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .topic-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .topic-item i {
            color: var(--primary);
            font-size: 17px;
            margin-top: 4px;
            width: 24px;
            text-align: center;
        }

        .topic-item strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .topic-item span {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 575px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ================== 精选内容卡片区 ================== */
        .updates-section-inner {
            background: var(--bg-soft);
            border-radius: 20px;
            padding: 56px 0 60px;
        }

        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-head-row .section-title {
            margin-bottom: 8px;
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s ease, transform .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .news-card__body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-card__meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .news-card__tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 12px;
            border-radius: 999px;
            line-height: 1.2;
        }

        .news-card__date {
            font-size: 12.5px;
            color: var(--text-muted);
        }

        .news-card h3 {
            font-size: 21px;
            line-height: 1.45;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .news-card h3 a {
            color: var(--text-main);
        }

        .news-card h3 a:hover {
            color: var(--primary);
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.78;
            margin-bottom: 14px;
        }

        .post-text-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .post-text-link i {
            transition: transform .25s ease;
        }

        .news-card:hover .post-text-link i,
        .post-text-link:hover i {
            transform: translateX(4px);
        }

        .news-card--split {
            display: flex;
        }

        .news-card--split .news-card__media {
            flex: 0 0 42%;
            min-height: 280px;
            overflow: hidden;
        }

        .news-card--split .news-card__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card--split:hover .news-card__media img {
            transform: scale(1.05);
        }

        .news-card--split .news-card__body {
            padding: 24px 22px;
        }

        .news-card--cover {
            min-height: 330px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
        }

        .news-card--cover>img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card--cover:hover>img {
            transform: scale(1.05);
        }

        .news-card--cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 27, 36, .08) 0%, rgba(8, 27, 36, .62) 76%, rgba(8, 27, 36, .78) 100%);
            z-index: 1;
            transition: opacity .3s ease;
        }

        .news-card--cover .news-card__body {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 22px 22px 21px;
        }

        .news-card--cover .news-card__tag {
            background: rgba(255, 255, 255, .2);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .3);
        }

        .news-card--cover .news-card__date {
            color: rgba(255, 255, 255, .82);
        }

        .news-card--cover h3 {
            color: #fff;
            font-size: 19px;
        }

        .news-card--cover h3 a {
            color: #fff;
        }

        .news-card--cover .post-text-link {
            color: #fff;
        }

        .news-card--image-top .news-card__img-wrap {
            height: 180px;
            overflow: hidden;
        }

        .news-card--image-top .news-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card--image-top:hover .news-card__img-wrap img {
            transform: scale(1.05);
        }

        .news-card--checklist .check-list {
            list-style: none;
            padding: 0;
            margin: 12px 0 14px;
        }

        .news-card--checklist .check-list li {
            position: relative;
            padding-left: 27px;
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .news-card--checklist .check-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            position: absolute;
            left: 0;
            top: 2px;
            font-size: 13px;
        }

        @media (max-width: 991px) {
            .news-card--split {
                flex-direction: column;
            }
            .news-card--split .news-card__media {
                flex: none;
                width: 100%;
                height: 220px;
            }
        }

        /* ================== 栏目说明 ================== */
        .channel-info {
            background: var(--bg-card);
        }

        .info-panel {
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            height: 100%;
        }

        .info-panel .num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1;
        }

        .info-panel h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .info-panel p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .info-panel .label-icon {
            width: 42px;
            height: 42px;
            background: var(--accent-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 17px;
            margin-bottom: 18px;
        }

        /* ================== FAQ + 表单 ================== */
        .consult-section {
            background: var(--bg-body);
            border-top: 1px solid var(--border);
            padding: 96px 0;
        }

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

        .custom-accordion .accordion-button {
            background: #fff;
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border-radius: 14px !important;
            box-shadow: none;
            line-height: 1.6;
            gap: 12px;
        }

        .custom-accordion .accordion-button::after {
            width: 18px;
            height: 18px;
            background-size: contain;
            opacity: .7;
            transition: transform .25s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary-dark);
        }

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

        .custom-accordion .accordion-button:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(45, 125, 153, .16);
        }

        .accordion-body {
            padding: 4px 22px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
            background: #fff;
        }

        .contact-panel {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }

        .contact-panel h3 {
            font-size: 21px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .contact-panel .form-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }

        .form-control,
        .form-select {
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: 12px;
            color: var(--text-main);
            font-size: 14px;
            padding: 11px 15px;
        }

        .form-control:focus,
        .form-select:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(45, 125, 153, .14);
        }

        textarea.form-control {
            min-height: 90px;
        }

        .form-helper {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* ================== CTA 条 ================== */
        .bottom-cta {
            background: var(--primary-light);
            padding: 48px 0;
        }

        .bottom-cta h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .bottom-cta p {
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 0;
        }

        /* ================== 页脚 ================== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, .8);
            padding: 60px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-brand {
            margin-bottom: 12px;
        }

        .site-footer .brand-name {
            font-size: 20px;
            font-weight: 600;
            color: #fff;
        }

        .site-footer .brand-mark {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            line-height: 1.8;
            max-width: 360px;
            margin-top: 10px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .72);
            transition: color .2s ease, padding-left .2s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-links i {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            margin-top: 36px;
            padding: 20px 0 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, .52);
            gap: 8px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .65);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 992px) {
            .category-hero {
                padding: 64px 0 56px;
            }
            .category-hero h1 {
                font-size: 34px;
            }
            .section-title {
                font-size: 27px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .overview-section .overview-media img {
                height: 300px;
            }
            .overview-note {
                left: 12px;
                bottom: 12px;
                padding: 10px 13px;
                gap: 8px;
            }
            .overview-note i {
                font-size: 18px;
            }
            .overview-note strong {
                font-size: 13px;
            }
            .overview-note span {
                font-size: 11px;
            }
            .contact-panel {
                padding: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 28px;
            }
            .hero-lead {
                font-size: 15px;
            }
            .section-title {
                font-size: 23px;
            }
            .news-card h3 {
                font-size: 18px;
            }
            .news-card__body {
                padding: 18px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2D7D99;
            --primary-dark: #1E5E77;
            --primary-light: #DFEEF2;
            --accent: #D99A3D;
            --accent-light: #F7E9D5;
            --bg: #F5F9FB;
            --bg-2: #EDF3F6;
            --white: #FFFFFF;
            --text: #1B2A33;
            --text-2: #4E6270;
            --muted: #859BA6;
            --border: #DCE7EC;
            --footer-bg: #20343E;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 6px 20px rgba(21, 57, 75, 0.07);
            --shadow-md: 0 14px 32px rgba(21, 57, 75, 0.12);
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition: all 0.2s ease;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            color: var(--text);
            background: var(--bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        p {
            margin: 0;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            border: 0;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: 96px 0;
        }
        .section-sm {
            padding: 64px 0;
        }
        .section-white {
            background: var(--white);
        }
        .section-soft {
            background: var(--bg-2);
        }
        .eyebrow {
            display: block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 30px;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }
        .section-lead {
            color: var(--text-2);
            font-size: 16px;
            line-height: 1.85;
            margin-top: 14px;
            max-width: 640px;
        }
        .section-head {
            margin-bottom: 42px;
        }

        .site-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .site-btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .site-btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(30, 94, 119, 0.24);
        }
        .site-btn-outline {
            background: transparent;
            border-color: #B9CBD4;
            color: var(--primary);
        }
        .site-btn-outline:hover {
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            background: #fff;
            transform: translateY(-2px);
        }
        .site-btn-white {
            background: #fff;
            color: var(--primary);
        }
        .site-btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .site-btn-outline-white {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.45);
            color: #fff;
        }
        .site-btn-outline-white:hover {
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.14);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            transition: gap 0.2s ease, color 0.2s ease;
        }
        .text-link i {
            font-size: 13px;
            transition: transform 0.2s ease;
        }
        .text-link:hover {
            color: var(--primary-dark);
            gap: 9px;
        }
        .text-link:hover i {
            transform: translateX(2px);
        }

        .icon-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 20px;
            flex: 0 0 auto;
            transition: var(--transition);
        }

        .card-tag {
            display: inline-flex;
            align-items: center;
            min-height: 26px;
            padding: 3px 12px;
            border-radius: 999px;
            background: var(--accent-light);
            color: #9A6A25;
            font-size: 13px;
            font-weight: 600;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E8EFF2;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 76px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }
        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            box-shadow: 0 6px 14px rgba(45, 125, 153, 0.2);
            transition: var(--transition);
        }
        .brand:hover .brand-mark {
            background: var(--primary-dark);
        }
        .brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.01em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-2);
            border-radius: 999px;
            padding: 5px;
            margin-left: auto;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 36px;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-2);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-item:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.72);
        }
        .nav-item.active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-cta-desktop {
            display: inline-flex;
        }
        .nav-toggler {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 18px;
            transition: var(--transition);
        }
        .nav-toggler:hover {
            background: var(--primary-light);
        }
        .mobile-nav-panel {
            padding: 12px 0 20px;
            border-top: 1px solid var(--border);
        }
        .mobile-links {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 8px 2px;
            scrollbar-width: thin;
        }
        .mobile-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 7px 16px;
            border-radius: 999px;
            background: var(--bg-2);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-2);
            flex: 0 0 auto;
            white-space: nowrap;
        }
        .mobile-link.active {
            background: var(--primary);
            color: #fff;
        }
        .mobile-cta {
            margin-top: 6px;
        }

        .page-hero {
            position: relative;
            padding: 76px 0 70px;
            background-image: url("/assets/images/backpic/back-2.webp");
            background-size: cover;
            background-position: center;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(106deg, rgba(245, 249, 251, 0.97) 20%, rgba(255, 255, 255, 0.84) 62%, rgba(226, 238, 243, 0.7) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--muted);
        }
        .breadcrumb a {
            color: var(--text-2);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-sep {
            color: #BFCBD1;
        }
        .page-hero h1 {
            font-size: 42px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        .hero-lead {
            margin-top: 18px;
            max-width: 640px;
            color: var(--text-2);
            font-size: 16.5px;
            line-height: 1.85;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 22px;
        }
        .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 13px;
            color: var(--text-2);
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid #DDE8EC;
        }
        .meta-chip i {
            color: var(--primary);
            font-size: 14px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }
        .hero-media {
            position: relative;
            margin-left: 18px;
        }
        .hero-media .hero-main-img {
            width: 100%;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            border: 6px solid rgba(255, 255, 255, 0.46);
        }
        .hero-float {
            position: absolute;
            right: -10px;
            bottom: 24px;
            background: rgba(255, 255, 255, 0.96);
            border: 1px solid #E4EDF0;
            border-radius: 14px;
            box-shadow: var(--shadow-md);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 250px;
        }
        .float-line {
            width: 42px;
            height: 4px;
            border-radius: 999px;
            background: var(--accent);
        }
        .hero-float strong {
            display: block;
            font-size: 14px;
            color: var(--text);
        }
        .hero-float span {
            display: block;
            font-size: 13px;
            color: var(--muted);
            line-height: 1.5;
        }

        .quick-nav {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .quick-nav-inner {
            display: flex;
            align-items: center;
            gap: 14px;
            overflow-x: auto;
            scrollbar-width: thin;
        }
        .quick-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            white-space: nowrap;
        }
        .quick-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            border-radius: 999px;
            background: var(--bg-2);
            color: var(--text-2);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
        }
        .quick-chip:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .quick-chip i {
            font-size: 12px;
            color: var(--primary);
        }

        .section-digest {
            background: var(--white);
        }
        .digest-copy .digest-line {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-top: 26px;
            padding-left: 4px;
        }
        .digest-line .digest-num {
            font-size: 15px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.6;
        }
        .digest-line p {
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }
        .digest-card {
            background: var(--bg);
            border: 1px solid #E2EDF0;
            border-radius: 20px;
            padding: 34px;
            box-shadow: var(--shadow-sm);
        }
        .digest-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 26px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .digest-card-title::before {
            content: "";
            width: 4px;
            height: 22px;
            border-radius: 999px;
            background: var(--primary);
        }
        .digest-list {
            display: flex;
            flex-direction: column;
            gap: 26px;
        }
        .digest-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .digest-item .item-ico {
            flex: 0 0 auto;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: #fff;
            border: 1px solid #D9E7EC;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 17px;
            box-shadow: 0 4px 10px rgba(45, 125, 153, 0.05);
        }
        .digest-item h4 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 5px;
        }
        .digest-item p {
            color: var(--text-2);
            font-size: 14.5px;
            line-height: 1.7;
        }

        .section-directory {
            background: var(--bg);
        }
        .dir-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 18px;
            padding: 38px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .dir-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #BECFD6;
            transform: translateY(-3px);
        }
        .dir-card:hover .icon-badge {
            background: var(--primary);
            color: #fff;
        }
        .dir-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }
        .dir-card h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .dir-card .dir-desc {
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }
        .check-list {
            display: grid;
            gap: 8px;
            margin: 20px 0 22px;
        }
        .check-list li {
            display: flex;
            gap: 8px;
            font-size: 14.5px;
            color: var(--text-2);
            line-height: 1.6;
        }
        .check-list i {
            color: #B47D2B;
            font-size: 14px;
            margin-top: 5px;
        }
        .dir-bottom {
            margin-top: auto;
            padding-top: 8px;
        }
        .dir-media-card {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
        }
        .dir-media-card .dir-text {
            flex: 1 1 56%;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .dir-media-card .dir-text .dir-top {
            margin-bottom: 10px;
        }
        .dir-media-card .dir-text h3 {
            margin-bottom: 8px;
        }
        .dir-media-card .dir-text .dir-desc {
            line-height: 1.75;
        }
        .dir-media-card .dir-img {
            flex: 0 0 40%;
            width: 100%;
            border-radius: 14px;
            overflow: hidden;
            min-height: 220px;
            box-shadow: var(--shadow-sm);
        }
        .dir-media-card .dir-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 220px;
        }
        .row + .row {
            margin-top: 24px;
        }

        .section-guide {
            background: var(--white);
        }
        .guide-aside {
            position: sticky;
            top: 110px;
        }
        .guide-aside .eyebrow {
            margin-bottom: 10px;
        }
        .guide-note {
            margin-top: 20px;
            padding: 20px 22px;
            border-radius: 16px;
            background: var(--bg);
            border: 1px solid #E2EDF0;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }
        .guide-note i {
            color: var(--accent);
            margin-right: 6px;
        }
        .guide-steps {
            display: flex;
            flex-direction: column;
        }
        .guide-step {
            display: flex;
            gap: 24px;
            padding: 30px 0;
            border-bottom: 1px solid var(--border);
        }
        .guide-step:first-child {
            padding-top: 0;
        }
        .guide-step:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }
        .guide-index {
            flex: 0 0 auto;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .guide-step:hover .guide-index {
            background: var(--primary);
            color: #fff;
        }
        .guide-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .guide-step p {
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
            max-width: 620px;
        }
        .guide-step .guide-route {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }
        .tag-soft {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            color: var(--primary-dark);
            background: #EAF3F6;
            border-radius: 999px;
            padding: 5px 12px;
            font-weight: 600;
        }

        .section-faq {
            background: var(--bg);
        }
        .accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-border-radius: 14px;
            --bs-accordion-inner-border-radius: 14px;
            --bs-accordion-btn-padding-x: 22px;
            --bs-accordion-btn-padding-y: 18px;
            --bs-accordion-body-padding-x: 22px;
            --bs-accordion-body-padding-y: 6px 22px 20px;
        }
        .accordion-item {
            margin-bottom: 14px;
            border: 1px solid var(--border) !important;
            border-radius: 14px !important;
            overflow: hidden;
            background: var(--white);
        }
        .accordion-header {
            border-radius: 14px !important;
            background: var(--white);
        }
        .accordion-button {
            background: var(--white);
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            box-shadow: none !important;
            border-radius: 14px !important;
            transition: var(--transition);
            line-height: 1.6;
        }
        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(45, 125, 153, 0.15);
            outline-offset: -2px;
        }
        .accordion-button::after {
            font-family: "Font Awesome 6 Free";
            content: "\f078";
            font-weight: 900;
            background-image: none;
            color: var(--primary);
            width: auto;
            height: auto;
            flex-shrink: 0;
            transition: transform 0.25s ease;
            margin-left: auto;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary-dark);
        }
        .accordion-body {
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.85;
            padding-top: 4px;
            border-top: 1px solid #E4EFF2;
        }

        .cta-section {
            background: var(--white);
            padding-bottom: 100px;
        }
        .cta-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            padding: 52px 56px;
            border-radius: 22px;
            background: var(--primary);
            border-top: 5px solid var(--accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .cta-copy {
            max-width: 620px;
        }
        .cta-copy .eyebrow {
            color: #E5F0F3;
            letter-spacing: 0.08em;
        }
        .cta-copy h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-top: 6px;
        }
        .cta-copy p {
            margin-top: 12px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 15.5px;
            line-height: 1.85;
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex: 0 0 auto;
        }

        .site-footer {
            background: var(--footer-bg);
            color: #AFC3CC;
            padding: 76px 0 0;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }
        .footer-brand .brand-mark {
            background: #2D7D99;
        }
        .footer-brand .brand-name {
            color: #fff;
            font-size: 20px;
        }
        .footer-desc {
            color: #91A8B4;
            font-size: 14.5px;
            line-height: 1.85;
            max-width: 360px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 11px;
            font-size: 14.5px;
            color: #9EB2BC;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #AFC3CC;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 2px;
        }
        .footer-links i {
            color: #6F8E9E;
            font-size: 12px;
            margin-top: 4px;
        }
        .footer-links li > i {
            color: #5D889B;
            margin-top: 5px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 28px 0;
            margin-top: 52px;
            font-size: 14px;
            color: #89A1AE;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .footer-bottom a {
            color: #AFC3CC;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 1199.98px) {
            .container {
                max-width: 960px;
            }
            .nav-item {
                padding: 6px 14px;
                font-size: 14px;
            }
            .hero-float {
                right: 0;
            }
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 72px 0;
            }
            .header-cta-desktop {
                display: none !important;
            }
            .nav-toggler {
                display: inline-flex;
            }
            .page-hero {
                padding: 58px 0 56px;
            }
            .page-hero h1 {
                font-size: 36px;
            }
            .hero-media {
                margin-left: 0;
                margin-top: 34px;
                max-width: 560px;
            }
            .guide-aside {
                position: static;
                margin-bottom: 40px;
            }
            .cta-wrap {
                flex-direction: column;
                align-items: flex-start;
                padding: 40px 34px;
            }
            .cta-btns .site-btn {
                width: auto;
            }
            .row + .row {
                margin-top: 20px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 58px 0;
            }
            .brand-name {
                font-size: 18px;
            }
            .brand-mark {
                width: 37px;
                height: 37px;
                border-radius: 11px;
                font-size: 16px;
            }
            .page-hero {
                padding: 44px 0 46px;
            }
            .page-hero h1 {
                font-size: 29px;
            }
            .hero-lead {
                font-size: 15.5px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .site-btn {
                width: 100%;
            }
            .hero-float {
                position: static;
                max-width: 100%;
                margin-top: 12px;
            }
            .quick-label {
                display: none;
            }
            .quick-nav-inner {
                padding: 6px 0;
            }
            .digest-card {
                padding: 24px;
            }
            .dir-card {
                padding: 26px;
            }
            .dir-media-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 18px;
            }
            .dir-media-card .dir-img,
            .dir-media-card .dir-img img {
                width: 100%;
                min-height: 190px;
                flex: none;
            }
            .guide-step {
                flex-direction: column;
                gap: 12px;
                padding: 24px 0;
            }
            .guide-index {
                width: 44px;
                height: 44px;
                font-size: 16px;
            }
            .cta-wrap {
                padding: 36px 26px;
            }
            .cta-copy h2 {
                font-size: 25px;
            }
            .cta-btns {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-btns .site-btn {
                width: 100%;
            }
            .site-footer {
                padding-top: 56px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
            }
            .footer-bottom {
                padding-bottom: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .header-inner {
                min-height: 68px;
                gap: 10px;
            }
            .nav-toggler {
                width: 40px;
                height: 40px;
            }
            .brand-name {
                font-size: 17px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-meta {
                gap: 8px;
            }
            .meta-chip {
                padding: 5px 10px;
                font-size: 12.5px;
            }
            .section-title {
                font-size: 26px;
            }
            .section-head {
                margin-bottom: 28px;
            }
            .dir-card {
                border-radius: 16px;
                padding: 24px;
            }
            .dir-card h3 {
                font-size: 19px;
            }
            .cta-copy h2 {
                font-size: 22px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2D7D99;
            --primary-dark: #1E5E77;
            --primary-soft: #DFEEF2;
            --accent: #D99A3D;
            --accent-soft: #F7E9D5;
            --bg: #F5F9FB;
            --bg-alt: #EDF3F6;
            --card-bg: #FFFFFF;
            --text: #1B2A33;
            --text-secondary: #4E6270;
            --muted: #859BA6;
            --line: #DCE7EC;
            --footer-bg: #20343E;
            --radius: 14px;
            --radius-card: 18px;
            --btn-radius: 10px;
            --shadow: 0 6px 20px rgba(21, 57, 75, 0.07);
            --shadow-hover: 0 14px 32px rgba(21, 57, 75, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 92px;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        p {
            margin: 0 0 1rem;
        }

        ul,
        ol {
            margin-bottom: 0;
        }

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

        .container {
            max-width: 1200px;
        }

        .section-pad {
            padding: 100px 0;
        }

        .section-pad-sm {
            padding: 72px 0;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1080;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 1px 12px rgba(21, 57, 75, 0.04);
        }

        .header-wrap {
            min-height: 76px;
        }

        .logo-area {
            flex-shrink: 0;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            font-size: 20px;
            box-shadow: 0 8px 16px rgba(45, 125, 153, 0.22);
        }

        .brand-name {
            font-size: 21px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--text);
            line-height: 1.2;
        }

        .main-nav {
            background: var(--bg-alt);
            border-radius: 999px;
            padding: 6px;
            margin-left: auto;
            margin-right: 24px;
        }

        .main-nav .nav-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            line-height: 1.4;
            white-space: nowrap;
            transition: all 0.2s ease;
        }

        .main-nav .nav-item:hover {
            color: var(--primary-dark);
        }

        .main-nav .nav-item.active {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.08);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.22s ease;
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(30, 94, 119, 0.18);
        }

        .burger-btn {
            background: transparent;
            border: 1px solid var(--line);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            color: var(--text);
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu {
            border-top: 1px solid var(--line);
            background: #fff;
            padding: 16px 20px 22px;
        }

        .mobile-menu .mobile-nav {
            display: flex;
            flex-wrap: nowrap;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 8px;
            margin-bottom: 14px;
            scrollbar-width: thin;
        }

        .mobile-menu .mobile-nav .nav-item {
            flex-shrink: 0;
            padding: 9px 18px;
            border-radius: 999px;
            background: var(--bg-alt);
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
        }

        .mobile-menu .mobile-nav .nav-item.active {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-weight: 600;
        }

        .mobile-menu .mobile-cta-wrap {
            display: block;
        }

        .mobile-menu .mobile-cta-wrap .header-cta {
            width: 100%;
        }

        /* ===== Buttons ===== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: var(--btn-radius);
            padding: 11px 24px;
            font-weight: 600;
            font-size: 16px;
            line-height: 1.5;
            transition: all 0.22s ease;
            box-shadow: 0 6px 14px rgba(45, 125, 153, 0.16);
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:focus-visible {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(45, 125, 153, 0.22);
            outline: none;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary-dark);
            border: 1px solid #a6c6d2;
            border-radius: var(--btn-radius);
            padding: 11px 24px;
            font-weight: 600;
            font-size: 16px;
            line-height: 1.5;
            transition: all 0.22s ease;
        }

        .btn-outline-custom:hover,
        .btn-outline-custom:focus-visible {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-2px);
            outline: none;
        }

        .text-arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: gap 0.2s ease;
        }

        .text-arrow-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(120deg, rgba(237, 243, 246, 0.98) 0%, rgba(223, 238, 242, 0.96) 100%);
            padding: 80px 0 88px;
            overflow: hidden;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            opacity: 0.18;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .eyebrow-chip {
            display: inline-flex;
            align-items: center;
            background: var(--card-bg);
            color: var(--primary-dark);
            border: 1px solid rgba(45, 125, 153, 0.18);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 12px rgba(21, 57, 75, 0.05);
        }

        .hero-title {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text);
            margin: 18px 0 16px;
            letter-spacing: -0.02em;
        }

        .hero-lead {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-media {
            position: relative;
        }

        .hero-media img {
            width: 100%;
            border-radius: 22px;
            object-fit: cover;
            box-shadow: 0 22px 44px rgba(21, 57, 75, 0.14);
        }

        .hero-float-card {
            position: absolute;
            left: -24px;
            bottom: 28px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 14px;
            box-shadow: var(--shadow-hover);
            padding: 14px 18px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text);
            font-size: 14px;
        }

        .hero-float-card i {
            color: var(--accent);
            font-size: 18px;
        }

        /* ===== Section heading ===== */
        .section-kicker {
            display: inline-flex;
            align-items: center;
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            color: var(--text);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 760px;
            line-height: 1.8;
        }

        /* ===== Quick route chips ===== */
        .route-strip {
            background: var(--bg);
            padding: 24px 0;
            border-bottom: 1px solid var(--line);
        }

        .route-chips {
            display: flex;
            flex-wrap: nowrap;
            gap: 12px;
            overflow-x: auto;
            padding-bottom: 6px;
        }

        .route-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            transition: all 0.2s ease;
        }

        .route-chip i {
            color: var(--primary);
            font-size: 14px;
        }

        .route-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }

        /* ===== Scene List ===== */
        .scene-list-section {
            background: #fff;
            padding: 96px 0 72px;
        }

        .scene-intro {
            margin-bottom: 52px;
        }

        .scene-row {
            padding: 60px 0 64px;
            border-bottom: 1px solid var(--line);
        }

        .scene-row:first-of-type {
            padding-top: 8px;
        }

        .scene-row:last-of-type {
            border-bottom: 0;
        }

        .scene-no {
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.16em;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .scene-label {
            display: inline-flex;
            background: var(--accent-soft);
            color: #8a5d20;
            border-radius: 999px;
            padding: 5px 12px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .scene-title {
            font-size: 25px;
            line-height: 1.4;
            color: var(--text);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .scene-text p {
            color: var(--text-secondary);
            line-height: 1.85;
            font-size: 16px;
            max-width: 500px;
        }

        .scene-points {
            list-style: none;
            padding: 0;
            margin: 18px 0 22px;
        }

        .scene-points li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .scene-points li::before {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f00c";
            position: absolute;
            left: 0;
            top: 2px;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 50%;
            font-size: 11px;
        }

        .scene-media img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: var(--shadow);
        }

        /* ===== Route map ===== */
        .route-map-section {
            background: var(--bg-alt);
            padding: 96px 0;
        }

        .route-map-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 22px;
            box-shadow: var(--shadow);
            padding: 40px 42px;
        }

        .route-line {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px dashed var(--line);
        }

        .route-line:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }

        .route-line-icon {
            width: 42px;
            height: 42px;
            background: var(--primary-soft);
            border-radius: 12px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .route-line-content {
            flex: 1;
            min-width: 0;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .route-line-content strong {
            display: block;
            font-size: 16px;
            color: var(--text);
        }

        .route-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .route-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== Tips ===== */
        .tips-section {
            background: var(--bg);
            padding: 96px 0;
        }

        .tips-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 48px;
        }

        .tips-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px;
            display: flex;
            gap: 18px;
            transition: all 0.24s ease;
        }

        .tips-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .tips-icon {
            width: 48px;
            height: 48px;
            background: var(--accent-soft);
            color: #a06a24;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .tips-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .tips-item p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            padding: 96px 0;
        }

        .faq-grid {
            margin-top: 36px;
        }

        .custom-accordion .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--line);
            border-radius: var(--radius) !important;
            overflow: hidden;
            margin-bottom: 16px;
            box-shadow: 0 3px 10px rgba(21, 57, 75, 0.04);
            transition: box-shadow 0.24s ease;
        }

        .custom-accordion .accordion-item:hover {
            box-shadow: var(--shadow);
        }

        .custom-accordion .accordion-button {
            background: #fff;
            border-radius: var(--radius) !important;
            padding: 20px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            box-shadow: none;
            gap: 12px;
            align-items: center;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: #fbfdfe;
            color: var(--primary-dark);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary-soft);
        }

        .custom-accordion .accordion-button::after {
            display: none;
        }

        .custom-accordion .faq-chevron {
            margin-left: auto;
            color: var(--primary);
            transition: transform 0.26s ease;
        }

        .custom-accordion .accordion-button:not(.collapsed) .faq-chevron {
            transform: rotate(45deg);
        }

        .custom-accordion .accordion-body {
            padding: 0 22px 22px;
            color: var(--text-secondary);
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--footer-bg);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 17px;
            margin-bottom: 28px;
        }

        .cta-inner .btn-primary-custom {
            background: #fff;
            color: var(--footer-bg);
            border-color: #fff;
            box-shadow: none;
        }

        .cta-inner .btn-primary-custom:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .cta-inner .btn-outline-custom {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
        }

        .cta-inner .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, 0.76);
            padding: 76px 0 0;
        }

        .footer-brand {
            margin-bottom: 14px;
        }

        .footer-brand .brand-name {
            color: #fff;
            font-size: 20px;
        }

        .site-footer .brand-mark {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: none;
        }

        .footer-desc {
            font-size: 15px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.66);
            margin-bottom: 0;
            max-width: 360px;
        }

        .site-footer h5 {
            font-size: 16px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 12px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.68);
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.72);
            transition: all 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 2px;
        }

        .footer-links i {
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 58px;
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.58);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.82);
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 34px;
            }

            .page-hero {
                padding: 64px 0 72px;
            }

            .hero-media {
                margin-top: 20px;
            }

            .hero-float-card {
                left: 12px;
                bottom: 14px;
            }

            .section-pad,
            .scene-list-section,
            .route-map-section,
            .tips-section,
            .faq-section,
            .cta-section {
                padding-top: 72px;
                padding-bottom: 72px;
            }

            .scene-media {
                margin-top: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 27px;
            }

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

            .route-map-card {
                padding: 28px 24px;
            }

            .route-line {
                flex-wrap: wrap;
                gap: 12px;
            }

            .route-link {
                margin-left: 52px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 575.98px) {
            .header-wrap {
                min-height: 68px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 10px;
            }

            .brand-name {
                font-size: 17px;
            }

            .header-cta {
                display: none;
            }

            .page-hero {
                padding: 52px 0 60px;
            }

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

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

            .hero-float-card {
                font-size: 12px;
                padding: 10px 14px;
                border-radius: 12px;
            }

            .hero-media img {
                border-radius: 16px;
            }

            .scene-row {
                padding: 40px 0 44px;
            }

            .scene-media img {
                min-height: 210px;
                border-radius: 16px;
            }

            .custom-accordion .accordion-button {
                font-size: 15px;
                padding: 17px 16px;
            }

            .custom-accordion .accordion-body {
                padding: 0 16px 18px;
            }

            .site-footer {
                padding-top: 58px;
            }

            .footer-bottom {
                margin-top: 36px;
            }
        }