/* roulang page: index */
:root {
            --primary: #0c2340;
            --primary-800: #16324f;
            --primary-600: #234a75;
            --accent: #d4a853;
            --accent-600: #b8913d;
            --accent-light: #f3e5c8;
            --bg: #f5f7fa;
            --surface: #ffffff;
            --text: #142033;
            --muted: #64748b;
            --border: #e5eaf0;
            --radius-lg: 20px;
            --radius: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 2px 10px rgba(12, 35, 64, 0.06);
            --shadow: 0 8px 30px rgba(12, 35, 64, 0.10);
            --shadow-lg: 0 18px 44px rgba(12, 35, 64, 0.16);
            --transition: 0.28s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        a:hover {
            color: var(--accent-600);
        }

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 84px 0;
        }

        .section-sm {
            padding: 56px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-600);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--muted);
            font-size: 16px;
            max-width: 680px;
            margin: 0 auto;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 11px 28px;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.3px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary) !important;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-600);
            border-color: var(--accent-600);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(212, 168, 83, 0.35);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff !important;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-primary-custom:hover {
            background: var(--primary-800);
            border-color: var(--primary-800);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(12, 35, 64, 0.28);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(12, 35, 64, 0.04);
        }

        .site-header .navbar {
            padding: 14px 0;
        }

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

        .site-header .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            font-size: 15px;
            font-weight: 800;
            border-radius: 10px;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .site-header .brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .site-header .navbar-nav .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 20px !important;
            border-radius: 8px;
            position: relative;
        }

        .site-header .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(12, 35, 64, 0.04);
        }

        .site-header .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .site-header .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .site-header .nav-cta .btn {
            padding: 9px 24px;
            font-size: 14px;
            margin-left: 8px;
        }

        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(12,35,64,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 130px 0 100px;
            color: #fff;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(12, 35, 64, 0.95) 0%, rgba(12, 35, 64, 0.82) 45%, rgba(12, 35, 64, 0.55) 75%, rgba(212, 168, 83, 0.28) 100%);
        }

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

        .hero .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.22);
            border: 1px solid rgba(212, 168, 83, 0.5);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 5px 18px;
            border-radius: 30px;
            margin-bottom: 22px;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: 1px;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }

        .hero .lead {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            margin-bottom: 34px;
            line-height: 1.8;
        }

        .hero .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }

        .hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 12px;
        }

        .hero .hero-stat {
            text-align: left;
        }

        .hero .hero-stat strong {
            display: block;
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero .hero-stat span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== Feature Cards ===== */
        .features-section {
            background: var(--bg);
            position: relative;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(212, 168, 83, 0.45);
        }

        .feature-card .icon-wrap {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--accent-600);
            font-size: 20px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Guide Entry ===== */
        .guide-entry {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 54px 50px;
            color: #fff;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .guide-entry::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(12, 35, 64, 0.94) 0%, rgba(12, 35, 64, 0.78) 70%, rgba(12, 35, 64, 0.45) 100%);
        }

        .guide-entry .container {
            position: relative;
            z-index: 2;
            padding: 0;
        }

        .guide-entry .guide-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.2);
            border: 1px solid rgba(212, 168, 83, 0.5);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .guide-entry h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .guide-entry p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 0;
            max-width: 600px;
        }

        .guide-entry .btn {
            white-space: nowrap;
        }

        /* ===== News List ===== */
        .news-section {
            background: var(--surface);
        }

        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            color: var(--text);
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            border-color: rgba(212, 168, 83, 0.4);
            color: var(--text);
        }

        .news-card-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
            gap: 12px;
        }

        .badge-cat {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-600);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .news-date {
            font-size: 13px;
            color: var(--muted);
            white-space: nowrap;
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-more i {
            font-size: 12px;
            transition: transform var(--transition);
        }

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

        .no-data {
            background: var(--bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 30px;
            text-align: center;
            color: var(--muted);
            font-size: 15px;
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--bg);
        }

        .step-card {
            text-align: center;
            padding: 36px 28px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

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

        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin: 0 auto 20px;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .step-card p {
            color: var(--muted);
            font-size: 14px;
            margin: 0;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 18px;
            z-index: 3;
        }

        /* ===== Showcase ===== */
        .showcase-section {
            background: var(--surface);
        }

        .showcase-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: all var(--transition);
        }

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

        .showcase-card .showcase-img {
            position: relative;
            overflow: hidden;
            height: 220px;
        }

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

        .showcase-card:hover .showcase-img img {
            transform: scale(1.05);
        }

        .showcase-card .showcase-body {
            padding: 26px 28px;
        }

        .showcase-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        .showcase-card .showcase-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-600);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }

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

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

        .accordion-button {
            background: var(--surface);
            color: var(--primary);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.3);
            border-radius: var(--radius);
        }

        .accordion-button::after {
            background-size: 16px;
            flex-shrink: 0;
        }

        .accordion-body {
            padding: 6px 24px 22px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, var(--primary) 0%, var(--primary-800) 100%);
            border-radius: var(--radius-lg);
            padding: 64px 50px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(12, 35, 64, 0.84);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 17px;
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .cta-section .btn {
            margin: 0 6px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.82);
            padding: 46px 0 0;
            margin-top: 80px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .site-footer .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer .footer-logo span {
            color: var(--accent);
        }

        .site-footer p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.68);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .site-footer .footer-links li {
            margin-bottom: 8px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.68);
            font-size: 14px;
        }

        .site-footer .footer-links a:hover {
            color: var(--accent);
        }

        .site-footer .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            margin: 0 4px;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .site-header .navbar-nav .nav-link {
                padding: 10px 16px !important;
            }

            .site-header .nav-cta {
                margin-top: 10px;
                padding-top: 10px;
                border-top: 1px solid var(--border);
            }

            .hero h1 {
                font-size: 38px;
            }

            .guide-entry {
                padding: 40px 24px;
                text-align: center;
            }

            .guide-entry .row {
                flex-direction: column;
                gap: 16px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 27px;
            }

            .hero {
                padding: 90px 0 70px;
            }

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

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

            .hero .hero-stats {
                gap: 22px;
            }

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

            .cta-section {
                padding: 44px 28px;
            }

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

            .step-arrow {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 27px;
            }

            .hero .hero-btns {
                flex-direction: column;
                width: 100%;
            }

            .hero .hero-btns .btn {
                width: 100%;
            }

            .section-header h2 {
                font-size: 23px;
            }

            .guide-entry {
                padding: 32px 20px;
            }

            .guide-entry h2 {
                font-size: 22px;
            }

            .btn {
                padding: 9px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0d1b3e;
            --primary-light: #1a2b52;
            --primary-soft: #e8eef9;
            --accent: #d4a843;
            --accent-dark: #b8922e;
            --accent-soft: #fdf3dd;
            --bg: #f5f7fc;
            --bg-soft: #eef1f8;
            --white: #ffffff;
            --text: #19233d;
            --text-muted: #6b7a99;
            --border: #e3e8f2;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 10px 40px rgba(13, 27, 62, 0.07);
            --shadow-hover: 0 18px 50px rgba(13, 27, 62, 0.13);
            --transition: all 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        :focus-visible {
            outline: 3px solid rgba(212, 168, 67, 0.55);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 1px 0 rgba(13, 27, 62, 0.06), 0 10px 34px rgba(13, 27, 62, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(13, 27, 62, 0.05);
        }

        .site-header .navbar {
            padding: 12px 0;
            min-height: 74px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.3px;
            color: var(--primary);
        }

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

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 800;
            box-shadow: 0 6px 18px rgba(13, 27, 62, 0.28);
        }

        .brand-name {
            white-space: nowrap;
        }

        .navbar-nav {
            gap: 4px;
        }

        .navbar-nav .nav-link {
            color: var(--text);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 18px !important;
            border-radius: 10px;
            position: relative;
            transition: var(--transition);
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

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

        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -2px;
            width: 24px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .nav-cta .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            border: none;
            border-radius: 999px;
            padding: 10px 26px;
            font-weight: 600;
            font-size: 15px;
            box-shadow: 0 8px 22px rgba(212, 168, 67, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-cta .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(212, 168, 67, 0.42);
            color: #fff;
        }

        .nav-cta .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(212, 168, 67, 0.3);
        }

        .navbar-toggler {
            border: none;
            padding: 8px 10px;
            border-radius: 8px;
            background: var(--primary-soft);
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(212, 168, 67, 0.4);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(13,27,62,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 22px;
            height: 22px;
        }

        /* ===== 页头 Banner ===== */
        .page-banner {
            position: relative;
            padding: 120px 0 100px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(13, 27, 62, 0.94) 0%, rgba(13, 27, 62, 0.82) 48%, rgba(13, 27, 62, 0.6) 100%);
        }

        .banner-inner {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 760px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 67, 0.18);
            border: 1px solid rgba(212, 168, 67, 0.4);
            color: #f5d98a;
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
        }

        .banner-tag i {
            font-size: 12px;
        }

        .banner-inner h1 {
            font-size: clamp(1.9rem, 4vw, 2.9rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .banner-inner p {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.8;
            max-width: 640px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 8px 20px;
            width: fit-content;
            backdrop-filter: blur(8px);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        .breadcrumb a:hover {
            color: #f5d98a;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb .current {
            color: #f5d98a;
            font-weight: 600;
            font-size: 14px;
        }

        /* ===== 通用 Section ===== */
        .section {
            padding: 90px 0;
        }

        .section-head {
            margin-bottom: 52px;
            max-width: 680px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-soft);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ===== 登录方式卡片 ===== */
        .methods-section {
            background: var(--bg);
        }

        .method-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(227, 232, 242, 0.6);
        }

        .method-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .method-img {
            height: 210px;
            overflow: hidden;
            position: relative;
        }

        .method-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .method-card:hover .method-img img {
            transform: scale(1.06);
        }

        .method-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 62, 0) 40%, rgba(13, 27, 62, 0.5) 100%);
        }

        .method-body {
            padding: 28px 26px 30px;
            display: flex;
            flex-direction: column;
            flex: 1;
            position: relative;
        }

        .method-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-top: -54px;
            margin-bottom: 18px;
            position: relative;
            z-index: 2;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: 0 8px 20px rgba(13, 27, 62, 0.28);
        }

        .method-card:nth-child(2) .method-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            box-shadow: 0 8px 20px rgba(212, 168, 67, 0.35);
        }

        .method-card:nth-child(3) .method-icon {
            background: linear-gradient(135deg, #2e8a6e, #1f6b54);
            box-shadow: 0 8px 20px rgba(46, 138, 110, 0.3);
        }

        .method-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .method-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            flex: 1;
            margin-bottom: 20px;
        }

        .method-body .btn-outline-primary {
            border: 1px solid var(--border);
            color: var(--primary);
            background: transparent;
            border-radius: 999px;
            padding: 8px 22px;
            font-weight: 600;
            font-size: 14px;
            align-self: flex-start;
            transition: var(--transition);
        }

        .method-body .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(13, 27, 62, 0.18);
        }

        /* ===== 步骤区 ===== */
        .steps-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 60%;
            height: 220%;
            background: radial-gradient(circle, rgba(212, 168, 67, 0.15) 0%, transparent 60%);
        }

        .steps-section .section-tag {
            background: rgba(212, 168, 67, 0.18);
            color: #f5d98a;
        }

        .steps-section .section-head h2 {
            color: #fff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .step-item {
            text-align: center;
            padding: 36px 24px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius);
            backdrop-filter: blur(6px);
            position: relative;
            transition: var(--transition);
            height: 100%;
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(212, 168, 67, 0.4);
            transform: translateY(-4px);
        }

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 8px 24px rgba(212, 168, 67, 0.4);
        }

        .step-item h3 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .step-item p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: rgba(212, 168, 67, 0.55);
            font-size: 16px;
            z-index: 2;
        }

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

        /* ===== 安全提示 ===== */
        .security-section {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat fixed;
            position: relative;
        }

        .security-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13, 27, 62, 0.9);
        }

        .security-section .container {
            position: relative;
            z-index: 2;
        }

        .security-section .section-tag {
            background: rgba(212, 168, 67, 0.2);
            color: #f5d98a;
        }

        .security-section .section-head h2 {
            color: #fff;
        }

        .security-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .security-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.13);
            border-radius: var(--radius);
            padding: 26px 24px;
            transition: var(--transition);
            height: 100%;
            backdrop-filter: blur(8px);
        }

        .security-card:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(212, 168, 67, 0.35);
        }

        .security-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(212, 168, 67, 0.2);
            border: 1px solid rgba(212, 168, 67, 0.35);
            color: #f5d98a;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 16px;
        }

        .security-card h3 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .security-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 对比表格 ===== */
        .compare-section {
            background: var(--bg);
        }

        .compare-wrap {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            overflow: hidden;
            border: 1px solid rgba(227, 232, 242, 0.6);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .compare-table thead th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 18px;
            text-align: left;
            border: none;
            white-space: nowrap;
        }

        .compare-table thead th:first-child {
            border-radius: 12px 0 0 12px;
        }

        .compare-table thead th:last-child {
            border-radius: 0 12px 12px 0;
        }

        .compare-table tbody td {
            padding: 16px 18px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            line-height: 1.6;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table tbody tr:hover td {
            background: #f8faff;
        }

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-soft);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
        }

        .badge-soft-success {
            background: #e4f5ee;
            color: #1f6b54;
        }

        .badge-soft-blue {
            background: var(--primary-soft);
            color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--white);
        }

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

        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(212, 168, 67, 0.4);
            box-shadow: var(--shadow);
        }

        .accordion-custom .accordion-button {
            background: var(--white);
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 20px 24px;
            box-shadow: none;
            border: none;
            transition: var(--transition);
        }

        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230d1b3e'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
            transition: var(--transition);
        }

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

        .accordion-custom .accordion-button:not(.collapsed)::after {
            filter: brightness(0) invert(1);
            transform: rotate(180deg);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(212, 168, 67, 0.4);
        }

        .accordion-custom .accordion-body {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.9;
            border-top: 1px solid var(--border);
        }

        .accordion-custom .accordion-button:not(.collapsed) + .accordion-body {
            border-top-color: transparent;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, var(--accent-soft), #fff 70%);
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            position: relative;
            overflow: hidden;
            text-align: center;
            box-shadow: 0 24px 70px rgba(13, 27, 62, 0.3);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -80%;
            right: -10%;
            width: 50%;
            height: 260%;
            background: radial-gradient(circle, rgba(212, 168, 67, 0.2) 0%, transparent 55%);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 40%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 55%);
        }

        .cta-box .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-box h2 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            max-width: 540px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .btn-cta-gold {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 999px;
            box-shadow: 0 10px 30px rgba(212, 168, 67, 0.4);
            transition: var(--transition);
            border: none;
        }

        .btn-cta-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(212, 168, 67, 0.5);
            color: #fff;
        }

        .btn-cta-gold:active {
            transform: translateY(0);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.35);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), #e8c876, var(--accent));
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo span {
            color: #f5d98a;
        }

        .site-footer p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-links ul {
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            padding: 4px 0;
            position: relative;
        }

        .footer-links a:hover {
            color: #f5d98a;
            padding-left: 6px;
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.87rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom a:hover {
            color: #f5d98a;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 70px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 991px) {
            .site-header .navbar {
                min-height: 64px;
                padding: 8px 0;
            }
            .navbar-collapse {
                padding: 16px 4px;
                border-top: 1px solid var(--border);
                margin-top: 10px;
            }
            .navbar-nav {
                margin: 0 0 14px 0 !important;
                gap: 6px;
            }
            .navbar-nav .nav-link {
                padding: 12px 16px !important;
                font-size: 16px;
            }
            .navbar-nav .nav-link.active::after {
                bottom: 4px;
                left: 16px;
                transform: none;
                width: 20px;
            }
            .nav-cta .btn-accent {
                width: 100%;
                justify-content: center;
                margin-bottom: 6px;
            }
            .page-banner {
                padding: 90px 0 70px;
            }
            .banner-inner h1 {
                font-size: 2rem;
            }
            .step-arrow {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .page-banner {
                padding: 70px 0 54px;
            }
            .page-banner::before {
                background: linear-gradient(180deg, rgba(13, 27, 62, 0.92) 0%, rgba(13, 27, 62, 0.8) 100%);
            }
            .banner-inner p {
                font-size: 0.95rem;
            }
            .breadcrumb {
                padding: 6px 16px;
                border-radius: 12px;
            }
            .method-card {
                max-width: 480px;
                margin: 0 auto;
            }
            .method-img {
                height: 180px;
            }
            .compare-wrap {
                padding: 20px;
                overflow-x: auto;
            }
            .compare-table {
                min-width: 640px;
            }
            .cta-box {
                padding: 44px 24px;
                border-radius: var(--radius);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 520px) {
            .brand-name {
                font-size: 1rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 12px;
            }
            .navbar {
                padding: 6px 0;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .section-tag {
                font-size: 12px;
                padding: 4px 14px;
            }
            .banner-inner h1 {
                font-size: 1.6rem;
            }
            .banner-inner p {
                font-size: 0.9rem;
            }
            .method-body {
                padding: 22px 18px;
            }
            .method-body h3 {
                font-size: 1.1rem;
            }
            .step-item {
                padding: 26px 18px;
            }
            .step-number {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .security-card {
                padding: 20px 16px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .btn-cta-gold {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
    --primary: #1a3a8a;
    --primary-dark: #122a6a;
    --primary-light: #eef2fc;
    --accent: #d4a548;
    --accent-dark: #b4893a;
    --accent-light: #fbf3e3;
    --bg-light: #f5f7fb;
    --bg-deep: #0b1533;
    --text-main: #17233e;
    --text-secondary: #556074;
    --border: #e2e7f0;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(16, 30, 70, .06);
    --shadow-md: 0 8px 30px rgba(16, 30, 70, .09);
    --shadow-lg: 0 18px 50px rgba(16, 30, 70, .13);
    --transition: all .25s ease;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", var(--bs-font-sans-serif);
    background: var(--bg-light);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

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

.btn {
    font-weight: 600;
    border-radius: 50px;
    padding: .6rem 1.5rem;
    transition: var(--transition);
    border: none;
    font-size: .95rem;
}

.btn:focus,
.btn-ghost:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(26, 58, 138, .18) !important;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: #fff;
    box-shadow: 0 6px 16px rgba(212, 165, 72, .35);
}

.btn-accent:hover,
.btn-accent:focus {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent-dark));
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(212, 165, 72, .45);
}

.btn-primary-custom {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(26, 58, 138, .25);
}

.btn-primary-custom:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(26, 58, 138, .35);
}

.btn-ghost {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text-main);
}

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

.text-accent {
    color: var(--accent) !important;
}

.text-primary-custom {
    color: var(--primary) !important;
}

.badge {
    border-radius: 50px;
    padding: .45em 1em;
    font-weight: 600;
    font-size: .85rem;
}

.bg-accent-light {
    background: var(--accent-light);
}

.bg-primary-light {
    background: var(--primary-light);
}

/* ------- Header / Nav ------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1040;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(16, 30, 70, .04);
}

.site-header .navbar {
    padding: .8rem 0;
    flex-wrap: nowrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: .8rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.5px;
    box-shadow: 0 4px 10px rgba(26, 58, 138, .25);
}

.brand-name {
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: .3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.navbar-nav {
    gap: .4rem;
}

.navbar-nav .nav-link {
    font-size: .95rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 50px;
    padding: .5rem 1.2rem !important;
    transition: var(--transition);
    white-space: nowrap;
}

.navbar-nav .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.navbar-nav .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 700;
}

.nav-cta .btn {
    white-space: nowrap;
    padding: .55rem 1.4rem;
    font-size: .9rem;
}

.navbar-toggler {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: .4rem .6rem;
    background: #fff;
}

.navbar-toggler:focus {
    box-shadow: none;
    border-color: var(--primary);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(26,58,138,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

/* ------- Article Banner ------- */
.article-banner {
    position: relative;
    background: linear-gradient(135deg, var(--bg-deep) 0%, #1b2a55 55%, var(--primary) 100%);
    padding: 70px 0 74px;
    overflow: hidden;
    color: #fff;
}

.article-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-3.png");
    background-size: cover;
    background-position: center;
    opacity: .28;
    pointer-events: none;
}

.article-banner::after {
    content: "";
    position: absolute;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: rgba(212, 165, 72, .1);
    top: -190px;
    right: -90px;
    pointer-events: none;
}

.article-banner .container {
    position: relative;
    z-index: 2;
}

.banner-category {
    display: inline-block;
    background: rgba(255, 255, 255, .14);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, .3);
    color: #fff;
    border-radius: 50px;
    padding: .35rem 1.1rem;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 18px;
}

.article-banner h1 {
    font-size: clamp(1.6rem, 3.8vw, 2.75rem);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: .3px;
    max-width: 860px;
    margin-bottom: 16px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, .25);
}

.banner-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    color: rgba(255, 255, 255, .85);
    font-size: .92rem;
    margin-bottom: 8px;
}

.banner-meta i {
    margin-right: 5px;
    color: var(--accent);
}

/* ------- Article Body ------- */
.article-main {
    padding: 56px 0 60px;
}

.article-content-wrap {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: clamp(1.4rem, 3vw, 2.8rem);
}

.article-body {
    font-size: 1.02rem;
    line-height: 1.9;
    color: #354052;
}

.article-body h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 1.6em;
    margin-bottom: .7em;
    padding-left: .85rem;
    border-left: 4px solid var(--accent);
}

.article-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 1.4em;
    margin-bottom: .6em;
}

.article-body p {
    margin-bottom: 1.05em;
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.2em 1.3em;
    padding: 0;
}

.article-body ul li,
.article-body ol li {
    margin-bottom: .35em;
}

.article-body ul li::marker {
    color: var(--accent-dark);
}

.article-body img {
    border-radius: var(--radius-md);
    margin: 1.2em 0;
    box-shadow: var(--shadow-sm);
}

.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
}

.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-light);
    padding: 1rem 1.4rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.4em 0;
    color: #5b4a2e;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.2em;
    font-size: .94rem;
}

.article-body table th,
.article-body table td {
    border: 1px solid var(--border);
    padding: .7rem 1rem;
    text-align: left;
}

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

.article-body code {
    background: #f0f2f8;
    border-radius: 6px;
    padding: .15em .5em;
    font-size: .9em;
    color: #1a3a8a;
}

.article-body pre {
    background: var(--bg-deep);
    color: #eef2fc;
    border-radius: var(--radius-md);
    padding: 1.2rem 1.5rem;
    overflow-x: auto;
    margin: 1.2em 0;
}

.article-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.article-divider {
    border-top: 1px solid var(--border);
    margin: 2.2rem 0 1.4rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.article-tags .tag-item {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50px;
    padding: .35rem 1rem;
    font-size: .82rem;
    font-weight: 500;
}

.article-tags .tag-item:hover {
    background: var(--primary);
    color: #fff;
}

.article-footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* Sidebar */
.sidebar-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.7rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    transition: var(--transition);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-md);
}

.sidebar-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1.1rem;
    padding-bottom: .7rem;
    border-bottom: 2px solid var(--primary-light);
    position: relative;
}

.sidebar-card h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 42px;
    height: 2px;
    background: var(--accent);
}

.sidebar-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-link-list li {
    padding: .55rem 0;
    border-bottom: 1px dashed var(--border);
}

.sidebar-link-list li:last-child {
    border-bottom: none;
}

.sidebar-link-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: .92rem;
    font-weight: 500;
}

.sidebar-link-list a i {
    color: var(--accent-dark);
    font-size: .7rem;
}

.sidebar-link-list a:hover {
    color: var(--primary);
    padding-left: 4px;
}

/* Cards similar to home */
.info-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.2rem, 2.5vw, 2rem);
    transition: var(--transition);
    height: 100%;
}

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

.info-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

.steps-list li {
    display: flex;
    gap: 14px;
    padding: .85rem 0;
    border-bottom: 1px dashed var(--border);
    counter-increment: step-counter;
    margin: 0;
}

.steps-list li:last-child {
    border-bottom: none;
}

.step-num {
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: .85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* CTA section */
.cta-section {
    padding: 70px 0;
    background: #fff;
}

.cta-box {
    background: linear-gradient(135deg, var(--bg-deep), var(--primary-dark));
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 5vw, 3.5rem);
    position: relative;
    overflow: hidden;
    color: #fff;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-box::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-2.png");
    background-size: cover;
    background-position: center;
    opacity: .2;
}

.cta-box .container-relative {
    position: relative;
    z-index: 2;
}

.cta-box h2 {
    font-size: clamp(1.4rem, 3vw, 2.1rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta-box p {
    color: rgba(255, 255, 255, .85);
    max-width: 620px;
    margin: 0 auto 24px;
    font-size: 1rem;
}

/* FAQ */
.faq-wrap {
    max-width: 880px;
    margin: 0 auto;
}

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

.accordion-button {
    font-weight: 600;
    font-size: .98rem;
    color: var(--text-main);
    padding: 1.1rem 1.4rem;
    background: #fff;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary);
    box-shadow: none;
}

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

.accordion-body {
    padding: 1rem 1.4rem 1.2rem;
    color: var(--text-secondary);
    font-size: .95rem;
    line-height: 1.75;
    border-top: 1px solid var(--primary-light);
}

/* Footer */
.site-footer {
    background: var(--bg-deep);
    color: #aab4cc;
    padding: 56px 0 24px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 42px;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo span {
    background: var(--accent);
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    font-weight: 800;
}

.site-footer p,
.site-footer a {
    font-size: .92rem;
    color: #aab4cc;
    transition: var(--transition);
}

.site-footer a:hover {
    color: var(--accent);
    text-decoration: none;
}

.footer-links h4,
.site-footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: .3px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    padding: 2px 0;
    display: inline-block;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-top: 20px;
    text-align: center;
    font-size: .88rem;
    color: rgba(255, 255, 255, .5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, .6);
}

.footer-bottom a:hover {
    color: var(--accent);
}

/* Not found state */
.not-found-box {
    text-align: center;
    padding: 70px 20px;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.not-found-box .not-found-icon {
    font-size: 3.5rem;
    color: var(--accent);
    margin-bottom: 18px;
}

.not-found-box h2 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.not-found-box p {
    color: var(--text-secondary);
    margin-bottom: 26px;
}

/* New posts mini card */
.mini-post-card {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: .7rem 0;
    border-bottom: 1px dashed var(--border);
}

.mini-post-card:last-child {
    border-bottom: none;
}

.mini-post-thumb {
    width: 64px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.mini-post-body {
    min-width: 0;
}

.mini-post-body a {
    font-size: .88rem;
    font-weight: 500;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.mini-post-body a:hover {
    color: var(--primary);
}

.mini-post-body .post-date {
    font-size: .75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Section common */
.section-block {
    padding: 70px 0;
}

.section-title {
    font-size: clamp(1.5rem, 3.2vw, 2.1rem);
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: .5rem;
    letter-spacing: .3px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 30px;
}

/* Responsive */
@media (max-width: 991.98px) {
    .site-header .navbar {
        flex-wrap: wrap;
    }

    .navbar-collapse {
        background: #fff;
        border-radius: var(--radius-md);
        padding: 1rem;
        margin-top: 12px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
    }

    .navbar-nav {
        gap: .2rem;
        width: 100%;
    }

    .navbar-nav .nav-link {
        padding: .6rem 1rem !important;
    }

    .nav-cta {
        margin-top: 12px;
        width: 100%;
    }

    .nav-cta .btn {
        width: 100%;
        display: block;
        text-align: center;
    }

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

@media (max-width: 767.98px) {
    .article-banner {
        padding: 48px 0 52px;
    }

    .article-main {
        padding: 36px 0;
    }

    .article-content-wrap {
        padding: 1.2rem;
    }

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

    .section-block {
        padding: 50px 0;
    }

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

@media (max-width: 520px) {
    .brand-name {
        font-size: 1rem;
    }

    .brand-icon {
        width: 32px;
        height: 32px;
        font-size: .7rem;
    }

    .article-banner h1 {
        font-size: 1.35rem;
    }

    .banner-meta {
        gap: 8px 14px;
        font-size: .82rem;
    }
}