/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0B1A30;
            --primary-light: #0E1D36;
            --primary-card: #132244;
            --accent-green: #00D26A;
            --accent-gold: #F5C84B;
            --text-main: #E6EDF5;
            --text-muted: #8A9BB5;
            --text-white: #FFFFFF;
            --border-dim: rgba(255,255,255,0.08);
            --border-gold: rgba(245,200,75,0.3);
            --shadow-card: 0 8px 32px rgba(0,210,106,0.2);
            --radius-card: 16px;
            --radius-btn: 8px;
            --font-stack: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s ease;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-stack);
            background: var(--primary);
            color: var(--text-main);
            line-height: 1.8;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--accent-green); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-gold); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding: 0 24px; }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; color: var(--text-white); letter-spacing: -0.01em; }
        h1 { font-size: 2.8rem; line-height: 1.25; }
        h2 { font-size: 2.2rem; margin-bottom: 1rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { color: var(--text-main); margin-bottom: 1rem; }
        .text-gold { color: var(--accent-gold); }
        .text-green { color: var(--accent-green); }
        .text-muted-custom { color: var(--text-muted); }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--accent-green);
            margin: 12px auto 0;
            border-radius: 2px;
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            background: var(--primary);
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border-dim);
            transition: var(--transition);
        }
        .navbar-custom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 24px;
        }
        .navbar-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white) !important;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar-brand .brand-icon {
            color: var(--accent-green);
            font-size: 1.6rem;
        }
        .navbar-brand:hover {
            color: var(--accent-green) !important;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 0;
            list-style: none;
        }
        .navbar-nav .nav-item { position: relative; }
        .navbar-nav .nav-link {
            color: var(--text-muted) !important;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            letter-spacing: 0.02em;
            transition: var(--transition);
            position: relative;
            border-right: 1px solid #2A3A5A;
        }
        .navbar-nav .nav-item:last-child .nav-link { border-right: none; }
        .navbar-nav .nav-link:hover {
            color: var(--text-white) !important;
        }
        .navbar-nav .nav-link.active {
            color: var(--text-white) !important;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1.2rem;
            right: 1.2rem;
            height: 2px;
            background: var(--accent-green);
            border-radius: 1px;
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 0.25rem 0.5rem;
            cursor: pointer;
        }
        .navbar-toggler:focus { box-shadow: none; }
        .navbar-toggler-icon-custom {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            position: relative;
            transition: var(--transition);
        }
        .navbar-toggler-icon-custom::before,
        .navbar-toggler-icon-custom::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            position: absolute;
            left: 0;
            transition: var(--transition);
        }
        .navbar-toggler-icon-custom::before { top: -7px; }
        .navbar-toggler-icon-custom::after { top: 7px; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            background-blend-mode: overlay;
            background-color: rgba(11,26,48,0.75);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,48,0.88) 0%, rgba(11,26,48,0.6) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            max-width: 800px;
        }
        .hero h1 .highlight-gold { color: var(--accent-gold); }
        .hero h1 .highlight-green { color: var(--accent-green); }
        .hero .hero-sub {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            background: linear-gradient(135deg, var(--accent-green), #00B85A);
            border: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .hero .hero-cta:hover {
            box-shadow: 0 0 30px rgba(0,210,106,0.5);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .hero .hero-badges {
            display: flex;
            gap: 20px;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }
        .hero .hero-badges span {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .hero .hero-badges span i { color: var(--accent-green); font-size: 1.1rem; }

        /* ===== Promo Step Cards ===== */
        .promo-section {
            padding: 80px 0;
            background: var(--primary);
        }
        .promo-card {
            background: rgba(14,29,54,0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(0,210,106,0.2);
            border-radius: var(--radius-card);
            padding: 2rem 1.8rem;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .promo-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-green);
        }
        .promo-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(0,210,106,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-green);
            margin-bottom: 1.2rem;
        }
        .promo-card h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
        .promo-card p { color: var(--text-muted); font-size: 0.95rem; }
        .promo-card .badge-count {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245,200,75,0.15);
            color: var(--accent-gold);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            margin: 1rem 0 1.2rem;
        }
        .promo-card .btn-promo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            background: linear-gradient(135deg, var(--accent-green), #00B85A);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            font-size: 0.95rem;
        }
        .promo-card .btn-promo:hover {
            box-shadow: 0 0 20px rgba(0,210,106,0.4);
            color: var(--primary);
        }
        .promo-card .card-bg-decor {
            position: absolute;
            right: -20px;
            bottom: -20px;
            width: 120px;
            height: 120px;
            opacity: 0.04;
            background: var(--accent-green);
            border-radius: 50%;
            pointer-events: none;
        }
        .promo-row .col-lg-6:nth-child(even) .promo-card {
            transform: translateY(20px);
        }
        .promo-row .col-lg-6:nth-child(even) .promo-card:hover {
            transform: translateY(16px);
        }

        /* ===== Pricing Table ===== */
        .pricing-section {
            padding: 80px 0;
            background: var(--primary-light);
        }
        .pricing-table {
            background: rgba(14,29,54,0.6);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dim);
            overflow: hidden;
        }
        .pricing-table thead th {
            background: rgba(11,26,48,0.7);
            border-bottom: 2px solid var(--border-gold);
            color: var(--text-white);
            font-weight: 600;
            padding: 1.5rem 1rem;
            text-align: center;
            font-size: 1.05rem;
        }
        .pricing-table thead th .price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
            margin-top: 6px;
        }
        .pricing-table thead th .price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .pricing-table tbody td {
            padding: 1rem 1.2rem;
            vertical-align: middle;
            border-color: var(--border-dim);
            color: var(--text-main);
            text-align: center;
        }
        .pricing-table tbody tr:last-child td { border-bottom: none; }
        .pricing-table tbody td .fa-check { color: var(--accent-green); }
        .pricing-table tbody td .fa-times { color: #4A5A7A; }
        .pricing-table .feature-label { text-align: left; color: var(--text-muted); }
        .pricing-table .highlight-col {
            background: rgba(0,210,106,0.06);
            border-left: 1px solid rgba(0,210,106,0.2);
            border-right: 1px solid rgba(0,210,106,0.2);
            box-shadow: inset 0 0 30px rgba(0,210,106,0.04);
        }
        .pricing-table .btn-pricing {
            display: inline-block;
            padding: 10px 32px;
            background: linear-gradient(135deg, var(--accent-green), #00B85A);
            color: var(--primary);
            font-weight: 600;
            border: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            font-size: 0.95rem;
        }
        .pricing-table .btn-pricing:hover {
            box-shadow: 0 0 20px rgba(0,210,106,0.4);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .pricing-table .btn-pricing-outline {
            display: inline-block;
            padding: 10px 32px;
            background: transparent;
            color: var(--accent-green);
            border: 1px solid var(--accent-green);
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            font-size: 0.95rem;
        }
        .pricing-table .btn-pricing-outline:hover {
            background: rgba(0,210,106,0.1);
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }

        /* ===== Countdown ===== */
        .countdown-section {
            padding: 80px 0;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .countdown-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(0,210,106,0.04) 0%, transparent 60%);
            animation: rotateGlow 30s linear infinite;
            pointer-events: none;
        }
        @keyframes rotateGlow {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .countdown-section .container { position: relative; z-index: 1; text-align: center; }
        .countdown-section h2 { margin-bottom: 0.8rem; }
        .countdown-section .countdown-desc { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2.5rem; }
        .countdown-wrap {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 2.5rem;
        }
        .countdown-item {
            background: rgba(14,29,54,0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0,210,106,0.2);
            border-radius: 16px;
            padding: 1.2rem 1.8rem;
            min-width: 90px;
            text-align: center;
            box-shadow: 0 4px 24px rgba(0,210,106,0.12);
        }
        .countdown-item .num {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.2;
        }
        .countdown-item .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-top: 4px;
        }
        .countdown-section .btn-countdown {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 44px;
            background: linear-gradient(135deg, var(--accent-gold), #E5B73A);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .countdown-section .btn-countdown:hover {
            box-shadow: 0 0 30px rgba(245,200,75,0.4);
            transform: translateY(-2px);
            color: var(--primary);
        }

        /* ===== News / CMS Cards ===== */
        .news-section {
            padding: 80px 0;
            background: var(--primary-light);
        }
        .news-card {
            background: rgba(14,29,54,0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0,210,106,0.15);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-green);
            box-shadow: 0 12px 40px rgba(0,210,106,0.18);
        }
        .news-card .card-img-top {
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-dim);
        }
        .news-card .card-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .badge {
            align-self: flex-start;
            background: rgba(245,200,75,0.18);
            color: var(--accent-gold);
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            margin-bottom: 0.8rem;
            border: none;
        }
        .news-card h4 { font-size: 1.1rem; margin-bottom: 0.6rem; line-height: 1.4; }
        .news-card .card-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card .card-footer {
            background: transparent;
            border-top: 1px solid var(--border-dim);
            padding: 1rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .news-card .card-footer small { color: var(--text-muted); font-size: 0.8rem; }
        .news-card .card-footer a {
            color: var(--accent-green);
            font-weight: 500;
            font-size: 0.9rem;
        }
        .news-card .card-footer a:hover { color: var(--accent-gold); }
        .news-empty {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--primary);
        }
        .faq-item {
            background: rgba(14,29,54,0.6);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-dim);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(0,210,106,0.2); }
        .faq-question {
            padding: 1.2rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1.05rem;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover { color: var(--accent-green); }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-green);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.active .faq-question .faq-icon { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        /* ===== Contact Form ===== */
        .contact-section {
            padding: 80px 0;
            background: var(--primary-light);
        }
        .contact-form-wrap {
            background: rgba(14,29,54,0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-dim);
            border-radius: var(--radius-card);
            padding: 2.5rem;
        }
        .contact-form-wrap .form-label {
            color: var(--text-white);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .contact-form-wrap .form-control {
            background: #1A2D4A;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-btn);
            color: var(--text-white);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .contact-form-wrap .form-control:focus {
            background: #1A2D4A;
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0,210,106,0.15);
            color: var(--text-white);
        }
        .contact-form-wrap .form-control::placeholder { color: #5A6A85; }
        .contact-form-wrap .form-select {
            background: #1A2D4A;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-btn);
            color: var(--text-white);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .contact-form-wrap .form-select:focus {
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(0,210,106,0.15);
        }
        .contact-form-wrap .btn-submit {
            display: block;
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, var(--accent-green), #00B85A);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
        }
        .contact-form-wrap .btn-submit:hover {
            box-shadow: 0 0 30px rgba(0,210,106,0.4);
            transform: translateY(-1px);
        }
        .contact-info-side {
            padding: 1rem 0;
        }
        .contact-info-side h4 { margin-bottom: 1.5rem; }
        .contact-info-side .info-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 1.4rem;
        }
        .contact-info-side .info-item i {
            color: var(--accent-green);
            font-size: 1.2rem;
            margin-top: 4px;
            width: 24px;
            text-align: center;
        }
        .contact-info-side .info-item span {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .contact-info-side .qr-placeholder {
            width: 140px;
            height: 140px;
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border-dim);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--text-muted);
            margin-top: 1rem;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 30px;
        }
        .footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 1.2rem;
        }
        .footer .footer-brand i { color: var(--accent-green); }
        .footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            max-width: 280px;
        }
        .footer h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            color: var(--text-white);
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer .footer-links li { margin-bottom: 0.6rem; }
        .footer .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer .footer-links a:hover { color: var(--accent-green); padding-left: 4px; }
        .footer .footer-contact p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-contact i { color: var(--accent-green); width: 18px; }
        .footer .social-icons {
            display: flex;
            gap: 12px;
            margin-top: 1rem;
        }
        .footer .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid var(--border-dim);
        }
        .footer .social-icons a:hover {
            background: var(--accent-green);
            color: var(--primary);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }
        .footer .footer-bottom {
            border-top: 1px solid var(--border-dim);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            h1 { font-size: 2.4rem; }
            .hero h1 { font-size: 2.6rem; }
        }
        @media (max-width: 991.98px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2.2rem; }
            .hero .hero-sub { font-size: 1rem; }
            .promo-row .col-lg-6:nth-child(even) .promo-card { transform: none; }
            .promo-row .col-lg-6:nth-child(even) .promo-card:hover { transform: translateY(-4px); }
            .pricing-table thead th { font-size: 0.95rem; padding: 1rem 0.8rem; }
            .pricing-table thead th .price { font-size: 1.6rem; }
            .pricing-table tbody td { padding: 0.8rem 0.6rem; font-size: 0.9rem; }
            .countdown-item { min-width: 75px; padding: 1rem 1.2rem; }
            .countdown-item .num { font-size: 2.2rem; }
            .navbar-nav .nav-link { padding: 0.5rem 0.8rem !important; font-size: 0.9rem; }
            .navbar-collapse {
                background: rgba(11,26,48,0.98);
                backdrop-filter: blur(12px);
                border-radius: 0 0 16px 16px;
                padding: 1rem 0;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 1050;
                border-bottom: 1px solid var(--border-dim);
            }
            .navbar-nav { flex-direction: column; gap: 0; }
            .navbar-nav .nav-link { border-right: none; border-bottom: 1px solid var(--border-dim); padding: 0.8rem 1.5rem !important; }
            .navbar-nav .nav-item:last-child .nav-link { border-bottom: none; }
            .navbar-nav .nav-link.active::after { display: none; }
            .navbar-nav .nav-link.active { background: rgba(0,210,106,0.08); }
        }
        @media (max-width: 767.98px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .hero { min-height: 60vh; }
            .hero h1 { font-size: 1.8rem; }
            .hero .hero-sub { font-size: 0.95rem; }
            .hero .hero-cta { padding: 14px 28px; font-size: 1rem; }
            .section-title { margin-bottom: 2rem; }
            .promo-card { padding: 1.5rem; }
            .pricing-table { font-size: 0.85rem; }
            .pricing-table thead th .price { font-size: 1.3rem; }
            .countdown-item { min-width: 65px; padding: 0.8rem 1rem; }
            .countdown-item .num { font-size: 1.8rem; }
            .contact-form-wrap { padding: 1.5rem; }
            .footer .footer-brand { font-size: 1.1rem; }
            .footer .footer-desc { max-width: 100%; }
            .footer .footer-links { margin-bottom: 1.5rem; }
        }
        @media (max-width: 575.98px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.5rem; }
            h2 { font-size: 1.3rem; }
            .hero h1 { font-size: 1.5rem; }
            .hero .hero-cta { padding: 12px 24px; font-size: 0.95rem; width: 100%; justify-content: center; }
            .hero .hero-badges { flex-direction: column; gap: 10px; }
            .promo-card .btn-promo { width: 100%; justify-content: center; }
            .countdown-wrap { gap: 12px; }
            .countdown-item { min-width: 60px; padding: 0.6rem 0.8rem; }
            .countdown-item .num { font-size: 1.5rem; }
            .news-card .card-img-top { height: 140px; }
            .faq-question { padding: 1rem 1.2rem; font-size: 0.95rem; }
            .footer { padding: 40px 0 20px; }
            .footer .social-icons { justify-content: center; }
        }

        /* ===== Utility ===== */
        .section-padding { padding: 80px 0; }
        @media (max-width: 767.98px) { .section-padding { padding: 50px 0; } }
        .bg-primary-light { background: var(--primary-light); }
        .bg-primary-dark { background: var(--primary); }
        .glass-card {
            background: rgba(14,29,54,0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(0,210,106,0.2);
            border-radius: var(--radius-card);
        }

/* roulang page: article */
:root {
            --primary: #0B1A30;
            --primary-light: #0E1D36;
            --primary-card: #132244;
            --accent: #00D26A;
            --accent-glow: rgba(0,210,106,0.3);
            --gold: #F5C84B;
            --gold-dim: rgba(245,200,75,0.3);
            --text-main: #E6EDF5;
            --text-muted: #8A9BB5;
            --text-white: #FFFFFF;
            --border-dark: rgba(255,255,255,0.08);
            --border-gold: rgba(245,200,75,0.3);
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 32px rgba(0,210,106,0.2);
            --shadow-accent: 0 0 20px rgba(0,210,106,0.5);
            --font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --spacer: 80px;
            --spacer-mobile: 40px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-family);
            background: var(--primary);
            color: var(--text-main);
            line-height: 1.8;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--accent); text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: var(--gold); }

        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding: 0 20px; }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: var(--primary);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-dark);
            transition: all 0.3s ease;
        }
        .navbar-custom .container { display: flex; align-items: center; justify-content: space-between; }
        .navbar-brand {
            display: flex; align-items: center; gap: 10px;
            font-size: 24px; font-weight: 700; color: var(--text-white) !important;
            letter-spacing: 0.5px;
        }
        .navbar-brand .brand-icon { color: var(--accent); font-size: 28px; }
        .navbar-brand:hover { color: var(--accent) !important; }
        .navbar-nav { gap: 4px; }
        .navbar-nav .nav-item { position: relative; }
        .navbar-nav .nav-link {
            color: var(--text-muted) !important;
            font-size: 15px; font-weight: 500;
            padding: 8px 18px !important;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-white) !important;
            background: rgba(0,210,106,0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--text-white) !important;
            background: rgba(0,210,106,0.12);
            box-shadow: inset 0 -2px 0 var(--accent);
        }
        .navbar-toggler-custom {
            display: block; width: 28px; height: 20px; position: relative;
            cursor: pointer; border: none; background: transparent;
        }
        .navbar-toggler-custom::before,
        .navbar-toggler-custom::after,
        .navbar-toggler-custom span {
            content: ''; display: block; width: 100%; height: 2px;
            background: var(--text-white); border-radius: 2px;
            position: absolute; left: 0; transition: all 0.3s ease;
        }
        .navbar-toggler-custom::before { top: 0; }
        .navbar-toggler-custom span { top: 9px; }
        .navbar-toggler-custom::after { top: 18px; }
        .navbar-toggler:not(.collapsed) .navbar-toggler-custom::before { top: 9px; transform: rotate(45deg); }
        .navbar-toggler:not(.collapsed) .navbar-toggler-custom span { opacity: 0; }
        .navbar-toggler:not(.collapsed) .navbar-toggler-custom::after { top: 9px; transform: rotate(-45deg); }
        .navbar-toggler { border: none; padding: 0; background: transparent; }

        @media (max-width: 768px) {
            .navbar-custom { padding: 12px 0; }
            .navbar-nav { padding-top: 16px; }
            .navbar-nav .nav-link { padding: 12px 0 !important; border-bottom: 1px solid var(--border-dark); }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            background: var(--primary-light);
            padding: 20px 0;
            border-bottom: 1px solid var(--border-dark);
        }
        .breadcrumb-custom {
            display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
            list-style: none; padding: 0; margin: 0;
            font-size: 14px; color: var(--text-muted);
        }
        .breadcrumb-custom li { display: flex; align-items: center; gap: 8px; }
        .breadcrumb-custom li + li::before {
            content: '›'; color: var(--accent); font-size: 18px; font-weight: 600;
        }
        .breadcrumb-custom a { color: var(--text-muted); }
        .breadcrumb-custom a:hover { color: var(--accent); }
        .breadcrumb-custom .active { color: var(--gold); }

        /* ===== 文章主体 ===== */
        .article-wrapper {
            padding: 60px 0 80px;
            background: var(--primary);
        }
        .article-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 40px;
        }
        .article-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex; flex-wrap: wrap; justify-content: center; gap: 20px;
            font-size: 14px; color: var(--text-muted);
        }
        .article-meta span { display: flex; align-items: center; gap: 6px; }
        .article-meta i { color: var(--accent); }
        .article-meta .category-tag {
            background: var(--gold-dim);
            color: var(--gold);
            padding: 2px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }

        .article-body {
            max-width: 768px;
            margin: 0 auto;
            background: var(--primary-card);
            border-radius: var(--radius-card);
            padding: 48px 56px;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-card);
        }
        .article-body h2 {
            font-size: 26px; font-weight: 600; color: var(--text-white);
            margin: 36px 0 16px; padding-bottom: 8px;
            border-bottom: 1px solid var(--border-gold);
        }
        .article-body h3 {
            font-size: 20px; font-weight: 600; color: var(--text-white);
            margin: 28px 0 12px;
        }
        .article-body p {
            margin-bottom: 16px;
            color: var(--text-main);
            line-height: 1.9;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0; padding-left: 24px;
            color: var(--text-main);
        }
        .article-body li { margin-bottom: 8px; }
        .article-body strong { color: var(--text-white); font-weight: 600; }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(0,210,106,0.06);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-btn);
            margin: 24px auto;
            width: 100%;
            object-fit: cover;
        }
        .article-body a { color: var(--accent); font-weight: 500; }
        .article-body a:hover { color: var(--gold); text-decoration: underline; }

        .article-notfound {
            text-align: center;
            padding: 80px 20px;
            background: var(--primary-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
        }
        .article-notfound i { font-size: 48px; color: var(--text-muted); margin-bottom: 16px; }
        .article-notfound h3 { color: var(--text-white); margin-bottom: 12px; }
        .article-notfound p { color: var(--text-muted); margin-bottom: 24px; }
        .article-notfound .btn-back {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), #00A85A);
            color: var(--text-white);
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .article-notfound .btn-back:hover {
            box-shadow: var(--shadow-accent);
            transform: translateY(-2px);
            color: var(--text-white);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--primary-light);
            padding: 60px 0;
        }
        .related-section h2 {
            text-align: center;
            font-size: 28px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 40px;
        }
        .related-section h2 span { color: var(--accent); }
        .related-card {
            background: var(--primary-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dark);
            padding: 24px;
            transition: all 0.3s ease;
            height: 100%;
            display: flex; flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: var(--accent);
        }
        .related-card .thumb {
            border-radius: 8px;
            margin-bottom: 16px;
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--primary);
        }
        .related-card h4 {
            font-size: 18px; font-weight: 600; color: var(--text-white);
            margin-bottom: 8px;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .related-card p {
            font-size: 14px; color: var(--text-muted);
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
            flex: 1;
            margin-bottom: 12px;
        }
        .related-card .related-meta {
            font-size: 13px; color: var(--text-muted);
            display: flex; justify-content: space-between; align-items: center;
        }
        .related-card .related-meta .tag {
            background: var(--gold-dim); color: var(--gold);
            padding: 2px 12px; border-radius: 20px; font-size: 12px;
        }

        /* ===== CTA 返回 ===== */
        .cta-back-section {
            background: var(--primary);
            padding: 40px 0 60px;
            text-align: center;
        }
        .cta-back-section .btn-return {
            display: inline-flex; align-items: center; gap: 10px;
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
            padding: 14px 36px;
            border-radius: var(--radius-btn);
            font-size: 16px; font-weight: 600;
            transition: all 0.3s ease;
        }
        .cta-back-section .btn-return:hover {
            background: var(--accent);
            color: var(--primary);
            box-shadow: var(--shadow-accent);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary);
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 20px;
        }
        .footer-brand {
            font-size: 22px; font-weight: 700; color: var(--text-white);
            display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
        }
        .footer-brand i { color: var(--accent); font-size: 26px; }
        .footer-desc { color: var(--text-muted); font-size: 14px; line-height: 1.8; max-width: 360px; }
        .footer h5 {
            color: var(--text-white); font-size: 16px; font-weight: 600;
            margin-bottom: 20px; letter-spacing: 0.5px;
        }
        .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a {
            color: var(--text-muted); font-size: 14px;
            transition: all 0.3s ease; display: flex; align-items: center; gap: 6px;
        }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-contact p { color: var(--text-muted); font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
        .footer-contact i { color: var(--accent); width: 18px; }
        .social-icons { display: flex; gap: 14px; }
        .social-icons a {
            display: flex; align-items: center; justify-content: center;
            width: 44px; height: 44px;
            border-radius: 50%;
            background: var(--primary-card);
            border: 1px solid var(--border-dark);
            color: var(--text-muted);
            font-size: 20px;
            transition: all 0.3s ease;
        }
        .social-icons a:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-accent);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-dark);
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .article-body { padding: 32px 28px; }
            .article-header h1 { font-size: 28px; }
            .related-card .thumb { height: 150px; }
        }

        @media (max-width: 768px) {
            .article-wrapper { padding: 40px 0 60px; }
            .article-header h1 { font-size: 24px; }
            .article-meta { gap: 12px; font-size: 13px; }
            .article-body { padding: 24px 18px; }
            .article-body h2 { font-size: 22px; }
            .article-body h3 { font-size: 18px; }
            .related-section h2 { font-size: 24px; }
            .footer { padding: 40px 0 16px; }
            .footer .col-lg-4, .footer .col-lg-2, .footer .col-lg-3 { margin-bottom: 24px; }
            .footer-desc { max-width: 100%; }
        }

        @media (max-width: 576px) {
            .article-header h1 { font-size: 20px; }
            .article-body { padding: 20px 14px; }
            .article-meta { flex-direction: column; align-items: center; gap: 8px; }
            .related-card .thumb { height: 130px; }
            .cta-back-section .btn-return { width: 100%; justify-content: center; }
        }

        /* ===== 文章内容通用排版补丁 ===== */
        .article-body table {
            width: 100%; border-collapse: collapse; margin: 20px 0;
            background: rgba(255,255,255,0.02); border-radius: 8px; overflow: hidden;
        }
        .article-body th, .article-body td {
            padding: 12px 16px; border: 1px solid var(--border-dark);
            text-align: left; font-size: 14px;
        }
        .article-body th { background: var(--primary); color: var(--gold); font-weight: 600; }
        .article-body td { color: var(--text-main); }
        .article-body pre {
            background: var(--primary); padding: 16px 20px; border-radius: 8px;
            border: 1px solid var(--border-dark); overflow-x: auto;
            font-family: 'Consolas', monospace; font-size: 14px; color: var(--accent);
        }
        .article-body hr {
            border: none; height: 1px; background: var(--border-gold); margin: 32px 0;
        }

/* roulang page: category1 */
:root {
            --primary: #0B1A30;
            --primary-light: #0E1D36;
            --primary-card: #132244;
            --accent-green: #00D26A;
            --accent-gold: #F5C84B;
            --text-main: #E6EDF5;
            --text-secondary: #8A9BB5;
            --text-white: #FFFFFF;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(245, 200, 75, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 210, 106, 0.2);
            --radius-card: 16px;
            --radius-btn: 8px;
            --font-stack: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition-base: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--primary);
            color: var(--text-main);
            line-height: 1.8;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--accent-gold);
        }
        a:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            background: var(--primary);
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            background: rgba(11, 26, 48, 0.92);
        }
        .navbar-custom .navbar-brand {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .navbar-custom .navbar-brand .brand-icon {
            color: var(--accent-green);
            font-size: 1.8rem;
        }
        .navbar-custom .navbar-brand:hover,
        .navbar-custom .navbar-brand:focus {
            color: var(--accent-gold);
        }
        .navbar-custom .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 1rem;
            padding: 0.5rem 1.2rem !important;
            position: relative;
            transition: color var(--transition-base);
            letter-spacing: 0.01em;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link:focus {
            color: var(--text-white) !important;
        }
        .navbar-custom .nav-link::after {
            content: '';
            position: absolute;
            left: 1.2rem;
            right: 1.2rem;
            bottom: 0.2rem;
            height: 2px;
            background: var(--accent-green);
            transform: scaleX(0);
            transition: transform var(--transition-base);
        }
        .navbar-custom .nav-link:hover::after,
        .navbar-custom .nav-link:focus::after {
            transform: scaleX(1);
        }
        .navbar-custom .nav-link.active {
            color: var(--accent-green) !important;
        }
        .navbar-custom .nav-link.active::after {
            transform: scaleX(1);
            background: var(--accent-green);
        }
        .navbar-toggler-icon-custom {
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--text-white);
            position: relative;
            transition: background var(--transition-base);
        }
        .navbar-toggler-icon-custom::before,
        .navbar-toggler-icon-custom::after {
            content: '';
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--text-white);
            transition: transform var(--transition-base);
        }
        .navbar-toggler-icon-custom::before {
            top: -7px;
        }
        .navbar-toggler-icon-custom::after {
            top: 7px;
        }
        .navbar-toggler {
            border: none;
            padding: 0.5rem;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-green);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom {
            background: transparent;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom::before {
            transform: rotate(45deg);
            top: 0;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom::after {
            transform: rotate(-45deg);
            top: 0;
        }

        @media (max-width: 768px) {
            .navbar-custom .navbar-nav {
                background: rgba(11, 26, 48, 0.98);
                padding: 1rem 0;
                border-radius: var(--radius-card);
                margin-top: 0.5rem;
                border: 1px solid var(--border-subtle);
            }
            .navbar-custom .nav-link {
                padding: 0.8rem 1.5rem !important;
                text-align: center;
            }
            .navbar-custom .nav-link::after {
                left: 2rem;
                right: 2rem;
                bottom: 0.1rem;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #0B1A30 0%, #132244 60%, #0E1D36 100%);
            overflow: hidden;
            padding: 4rem 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(0, 210, 106, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 70% 30%, rgba(245, 200, 75, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 0 1.5rem;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: -0.01em;
        }
        .hero-content h1 .highlight {
            color: var(--accent-gold);
        }
        .hero-content .hero-sub {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-content .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn-custom-primary {
            display: inline-block;
            padding: 0.9rem 2.6rem;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-green), #00b85a);
            border: none;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            box-shadow: 0 0 0 rgba(0, 210, 106, 0);
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .btn-custom-primary:hover,
        .btn-custom-primary:focus {
            background: linear-gradient(135deg, #00b85a, var(--accent-green));
            box-shadow: 0 0 20px rgba(0, 210, 106, 0.5);
            color: var(--text-white);
            transform: translateY(-2px);
        }
        .btn-custom-outline {
            display: inline-block;
            padding: 0.9rem 2.6rem;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--accent-gold);
            background: transparent;
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .btn-custom-outline:hover,
        .btn-custom-outline:focus {
            background: rgba(245, 200, 75, 0.1);
            color: var(--accent-gold);
            box-shadow: 0 0 16px rgba(245, 200, 75, 0.3);
            transform: translateY(-2px);
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.5rem;
            justify-content: center;
            margin-top: 2.5rem;
        }
        .hero-badges span {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .hero-badges span i {
            color: var(--accent-green);
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-sub {
                font-size: 1rem;
            }
            .btn-custom-primary,
            .btn-custom-outline {
                padding: 0.7rem 1.8rem;
                font-size: 1rem;
            }
        }

        /* ===== Section General ===== */
        .section-block {
            padding: 5rem 0;
        }
        .section-block .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            text-align: center;
            margin-bottom: 0.8rem;
        }
        .section-block .section-sub {
            font-size: 1.1rem;
            color: var(--text-secondary);
            text-align: center;
            max-width: 700px;
            margin: 0 auto 3rem;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent-green);
            margin: 1rem auto 2.5rem;
            border-radius: 4px;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 3rem 0;
            }
            .section-block .section-title {
                font-size: 1.6rem;
            }
        }

        /* ===== Features / 核心优势 ===== */
        .features-grid .feature-card {
            background: var(--primary-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem 1.8rem;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            backdrop-filter: blur(6px);
        }
        .features-grid .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(0, 210, 106, 0.3);
        }
        .features-grid .feature-card .icon-wrap {
            font-size: 2.6rem;
            color: var(--accent-green);
            margin-bottom: 1.2rem;
        }
        .features-grid .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .features-grid .feature-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .features-grid .feature-card .badge-gold {
            display: inline-block;
            background: rgba(245, 200, 75, 0.15);
            color: var(--accent-gold);
            padding: 0.2rem 0.9rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 0.8rem;
            border: 1px solid rgba(245, 200, 75, 0.2);
        }

        /* ===== 适用场景 ===== */
        .scenes-section {
            background: var(--primary-light);
        }
        .scene-item {
            display: flex;
            gap: 1.5rem;
            align-items: flex-start;
            padding: 1.8rem;
            background: rgba(19, 34, 68, 0.6);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            margin-bottom: 1.2rem;
        }
        .scene-item:hover {
            border-color: rgba(0, 210, 106, 0.25);
            box-shadow: 0 4px 20px rgba(0, 210, 106, 0.08);
        }
        .scene-item .scene-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1;
            min-width: 48px;
            opacity: 0.8;
        }
        .scene-item .scene-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        .scene-item .scene-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .scene-item {
                flex-direction: column;
                gap: 0.6rem;
                padding: 1.2rem;
            }
            .scene-item .scene-num {
                font-size: 1.5rem;
                min-width: auto;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-row .step-card {
            text-align: center;
            padding: 1.5rem 1.2rem;
            position: relative;
        }
        .steps-row .step-card .step-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-green), #00b85a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 auto 1.2rem;
            box-shadow: 0 0 20px rgba(0, 210, 106, 0.25);
        }
        .steps-row .step-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.4rem;
        }
        .steps-row .step-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .steps-row .step-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent-gold);
            opacity: 0.5;
        }
        @media (max-width: 768px) {
            .steps-row .step-arrow {
                transform: rotate(90deg);
                padding: 0.5rem 0;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--primary-light);
        }
        .accordion-custom .accordion-item {
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: rgba(19, 34, 68, 0.5);
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.2rem 1.8rem;
            border: none;
            box-shadow: none;
            transition: background var(--transition-base);
        }
        .accordion-custom .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300D26A' viewBox='0 0 16 16'%3E%3Cpath d='M8 1a.5.5 0 0 1 .5.5v6h6a.5.5 0 0 1 0 1h-6v6a.5.5 0 0 1-1 0v-6h-6a.5.5 0 0 1 0-1h6v-6A.5.5 0 0 1 8 1z'/%3E%3C/svg%3E");
            transition: transform var(--transition-base);
        }
        .accordion-custom .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300D26A' viewBox='0 0 16 16'%3E%3Cpath d='M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8z'/%3E%3C/svg%3E");
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-green);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 210, 106, 0.08);
            color: var(--accent-green);
        }
        .accordion-custom .accordion-body {
            background: rgba(14, 29, 54, 0.6);
            color: var(--text-secondary);
            padding: 1.2rem 1.8rem 1.6rem;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, #0B1A30 0%, #132244 70%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 2rem 0;
        }
        .cta-section .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .cta-section .cta-content p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 2rem;
        }

        /* ===== Footer ===== */
        .footer {
            background: #081422;
            padding: 3.5rem 0 1.5rem;
            border-top: 1px solid var(--border-gold);
        }
        .footer .footer-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 0.8rem;
        }
        .footer .footer-brand i {
            color: var(--accent-green);
        }
        .footer .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer h5 {
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer .footer-links a {
            color: var(--text-secondary);
            font-size: 0.92rem;
            transition: color var(--transition-base);
            text-decoration: none;
        }
        .footer .footer-links a:hover,
        .footer .footer-links a:focus {
            color: var(--accent-green);
        }
        .footer .footer-contact p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer .footer-contact p i {
            color: var(--accent-green);
            width: 1.2rem;
        }
        .footer .social-icons {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        .footer .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            font-size: 1.2rem;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .footer .social-icons a:hover,
        .footer .social-icons a:focus {
            background: var(--accent-green);
            color: var(--primary);
            transform: scale(1.1);
        }
        .footer .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.8rem;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .footer .footer-bottom p {
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .footer .footer-brand {
                justify-content: center;
            }
            .footer .footer-desc {
                max-width: 100%;
                text-align: center;
            }
            .footer h5 {
                text-align: center;
                margin-top: 1rem;
            }
            .footer .footer-links {
                text-align: center;
            }
            .footer .footer-contact p {
                justify-content: center;
            }
            .footer .social-icons {
                justify-content: center;
            }
        }

        /* ===== Utility ===== */
        .text-accent-green {
            color: var(--accent-green);
        }
        .text-accent-gold {
            color: var(--accent-gold);
        }
        .bg-glass {
            background: rgba(14, 29, 54, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 210, 106, 0.2);
        }
        .mt-section {
            margin-top: 2rem;
        }

        /* ===== 图片装饰 ===== */
        .img-decorate {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .section-block .section-title {
                font-size: 1.4rem;
            }
            .btn-custom-primary,
            .btn-custom-outline {
                padding: 0.6rem 1.4rem;
                font-size: 0.95rem;
                width: 100%;
            }
            .hero-content .hero-cta {
                flex-direction: column;
                gap: 0.8rem;
            }
            .hero-badges span {
                font-size: 0.85rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B1A30;
            --primary-light: #0E1D36;
            --primary-card: #132244;
            --accent-green: #00D26A;
            --accent-gold: #F5C84B;
            --text-main: #E6EDF5;
            --text-secondary: #8A9BB5;
            --text-white: #FFFFFF;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(245, 200, 75, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 210, 106, 0.2);
            --radius-card: 16px;
            --radius-btn: 8px;
            --font-stack: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --transition-base: 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-stack);
            background: var(--primary);
            color: var(--text-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover,
        a:focus {
            color: var(--accent-gold);
            outline: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
        }
        ::selection {
            background: rgba(0, 210, 106, 0.3);
            color: #fff;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Navigation ===== */
        .navbar-custom {
            background: var(--primary);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(8px);
            transition: background var(--transition-base);
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0;
        }
        .navbar-brand .brand-icon {
            color: var(--accent-green);
            font-size: 1.6rem;
        }
        .navbar-brand:hover {
            color: var(--accent-green) !important;
        }
        .navbar-nav .nav-item {
            margin: 0 4px;
        }
        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 16px !important;
            border-radius: 12px;
            transition: all var(--transition-base);
            position: relative;
            letter-spacing: 0.3px;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--text-white) !important;
            background: rgba(0, 210, 106, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--text-white) !important;
            background: rgba(0, 210, 106, 0.12);
            box-shadow: inset 0 -2px 0 var(--accent-green);
        }
        .navbar-toggler {
            border: none;
            padding: 6px 10px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-green);
        }
        .navbar-toggler-icon-custom {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-white);
            position: relative;
            transition: background var(--transition-base);
        }
        .navbar-toggler-icon-custom::before,
        .navbar-toggler-icon-custom::after {
            content: '';
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-white);
            position: absolute;
            left: 0;
            transition: all var(--transition-base);
        }
        .navbar-toggler-icon-custom::before {
            top: -8px;
        }
        .navbar-toggler-icon-custom::after {
            top: 8px;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom {
            background: transparent;
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom::before {
            top: 0;
            transform: rotate(45deg);
        }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon-custom::after {
            top: 0;
            transform: rotate(-45deg);
        }
        @media (max-width: 767.98px) {
            .navbar-custom {
                padding: 12px 0;
            }
            .navbar-nav .nav-link {
                padding: 12px 20px !important;
                text-align: center;
                font-size: 1rem;
            }
            .navbar-collapse {
                background: rgba(11, 26, 48, 0.97);
                backdrop-filter: blur(16px);
                border-radius: 16px;
                padding: 12px 0;
                margin-top: 12px;
                border: 1px solid var(--border-subtle);
            }
        }

        /* ===== Hero ===== */
        .promo-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #0B1A30 0%, #0E1D36 50%, #132244 100%);
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .promo-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
            z-index: 0;
        }
        .promo-hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 210, 106, 0.12) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }
        .promo-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .promo-hero h1 {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .promo-hero h1 span {
            color: var(--accent-gold);
        }
        .promo-hero .lead {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .promo-hero .btn-hero {
            display: inline-block;
            padding: 16px 48px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-green) 0%, #00b85a 100%);
            border: none;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 24px rgba(0, 210, 106, 0.35);
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }
        .promo-hero .btn-hero:hover,
        .promo-hero .btn-hero:focus {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(0, 210, 106, 0.5);
            background: linear-gradient(135deg, #00e675 0%, #00c462 100%);
            color: #fff;
        }
        @media (max-width: 767.98px) {
            .promo-hero {
                padding: 70px 0 50px;
                min-height: auto;
            }
            .promo-hero h1 {
                font-size: 2rem;
            }
            .promo-hero .lead {
                font-size: 1rem;
            }
            .promo-hero .btn-hero {
                padding: 14px 36px;
                font-size: 1rem;
            }
        }

        /* ===== Section通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: var(--primary-light);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 48px;
            text-align: center;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent-green);
            margin: 16px auto 20px;
            border-radius: 4px;
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片通用 ===== */
        .card-glass {
            background: rgba(14, 29, 54, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 210, 106, 0.2);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            padding: 28px 24px;
            height: 100%;
        }
        .card-glass:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 48px rgba(0, 210, 106, 0.3);
            border-color: rgba(0, 210, 106, 0.4);
        }
        .card-glass .card-icon {
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .card-glass h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .card-glass p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .card-glass .card-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(245, 200, 75, 0.18);
            color: var(--accent-gold);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }
        .card-glass .btn-card {
            display: inline-block;
            padding: 10px 28px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-green), #00b85a);
            border: none;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
        }
        .card-glass .btn-card:hover {
            box-shadow: 0 0 20px rgba(0, 210, 106, 0.5);
            transform: scale(1.02);
            color: #fff;
        }

        /* ===== 优惠阶梯 ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .tier-card {
            background: rgba(14, 29, 54, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 32px 20px 28px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
        }
        .tier-card.featured {
            border-color: var(--accent-gold);
            box-shadow: 0 0 32px rgba(245, 200, 75, 0.15);
            transform: scale(1.02);
        }
        .tier-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent-gold);
            color: #0B1A30;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
        }
        .tier-card .tier-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .tier-card h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .tier-card .tier-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-green);
            margin: 8px 0;
        }
        .tier-card .tier-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .tier-card .tier-badge {
            display: inline-block;
            margin-top: 12px;
            padding: 4px 14px;
            background: rgba(0, 210, 106, 0.15);
            color: var(--accent-green);
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        @media (max-width: 767.98px) {
            .tier-card.featured {
                transform: none;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 流程步骤 ===== */
        .steps-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            counter-reset: step-counter;
        }
        .step-item {
            flex: 1 1 180px;
            max-width: 220px;
            text-align: center;
            position: relative;
            counter-increment: step-counter;
        }
        .step-item::before {
            content: counter(step-counter);
            display: block;
            width: 52px;
            height: 52px;
            line-height: 52px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--accent-green);
            border-radius: 50%;
            margin: 0 auto 16px;
            box-shadow: 0 0 24px rgba(0, 210, 106, 0.3);
        }
        .step-item h5 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 26px;
            right: -20px;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            opacity: 0.4;
        }
        @media (max-width: 767.98px) {
            .steps-wrapper {
                gap: 20px;
            }
            .step-item {
                flex: 1 1 140px;
                max-width: 160px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
        }
        @media (max-width: 480px) {
            .step-item {
                flex: 1 1 100%;
                max-width: 100%;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            background: rgba(14, 29, 54, 0.65);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-subtle);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
            transition: background var(--transition-base);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 210, 106, 0.08);
            color: var(--accent-green);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-green);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\f067';
            color: var(--accent-gold);
            font-size: 0.9rem;
            transform: none;
            width: auto;
            height: auto;
            margin-left: auto;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\f068';
            color: var(--accent-green);
            transform: none;
        }
        .faq-accordion .accordion-body {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #0E1D36 0%, #132244 100%);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            text-align: center;
            padding: 70px 0;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 16px 52px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-white);
            background: linear-gradient(135deg, var(--accent-green), #00b85a);
            border: none;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 32px rgba(0, 210, 106, 0.35);
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
        }
        .cta-section .btn-cta:hover,
        .cta-section .btn-cta:focus {
            transform: translateY(-3px);
            box-shadow: 0 8px 48px rgba(0, 210, 106, 0.5);
            background: linear-gradient(135deg, #00e675, #00c462);
            color: #fff;
        }
        @media (max-width: 767.98px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section .btn-cta {
                padding: 14px 36px;
                font-size: 1rem;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #081524;
            padding: 60px 0 0;
            border-top: 2px solid var(--border-gold);
        }
        .footer .footer-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer .footer-brand i {
            color: var(--accent-green);
        }
        .footer .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer h5 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer .footer-links li {
            margin-bottom: 10px;
        }
        .footer .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }
        .footer .footer-links a:hover {
            color: var(--accent-green);
        }
        .footer .footer-contact p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer .footer-contact i {
            color: var(--accent-gold);
            width: 18px;
            text-align: center;
        }
        .footer .social-icons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .footer .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            font-size: 1.2rem;
            transition: all var(--transition-base);
        }
        .footer .social-icons a:hover {
            background: var(--accent-green);
            color: var(--primary);
            transform: scale(1.08);
        }
        .footer .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding: 24px 0;
            margin-top: 40px;
            text-align: center;
        }
        .footer .footer-bottom p {
            color: var(--text-secondary);
            font-size: 0.82rem;
            margin: 0;
            letter-spacing: 0.3px;
        }
        @media (max-width: 767.98px) {
            .footer {
                padding: 40px 0 0;
            }
            .footer .footer-brand {
                justify-content: center;
            }
            .footer .footer-desc {
                text-align: center;
                margin: 0 auto 20px;
            }
            .footer h5 {
                text-align: center;
                margin-top: 20px;
            }
            .footer .footer-links {
                text-align: center;
            }
            .footer .footer-contact p {
                justify-content: center;
            }
            .footer .social-icons {
                justify-content: center;
            }
        }

        /* ===== 背景装饰 ===== */
        .bg-glow {
            position: relative;
        }
        .bg-glow::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 210, 106, 0.06) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .bg-glow .container {
            position: relative;
            z-index: 1;
        }

        /* ===== 图片占位兼容 ===== */
        .img-placeholder {
            background: var(--primary-card);
            border-radius: 12px;
            overflow: hidden;
            min-height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .img-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 992px) {
            .promo-hero h1 {
                font-size: 2.6rem;
            }
        }
        @media (max-width: 576px) {
            .promo-hero h1 {
                font-size: 1.7rem;
            }
            .promo-hero .lead {
                font-size: 0.92rem;
            }
            .card-glass {
                padding: 20px 16px;
            }
            .card-glass h3 {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }
        .text-gold {
            color: var(--accent-gold);
        }
        .text-green {
            color: var(--accent-green);
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B1A30;
            --primary-light: #0E1D36;
            --primary-card: #132244;
            --accent-green: #00D26A;
            --accent-gold: #F5C84B;
            --text-main: #E6EDF5;
            --text-muted: #8A9BB5;
            --text-white: #FFFFFF;
            --border-dim: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(245, 200, 75, 0.3);
            --shadow-green: 0 8px 32px rgba(0, 210, 106, 0.2);
            --radius-card: 16px;
            --radius-btn: 8px;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s ease;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--primary);
            color: var(--text-main);
            line-height: 1.8;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--accent-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: var(--primary);
            padding: 16px 0;
            border-bottom: 1px solid var(--border-dim);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            background: rgba(11, 26, 48, 0.92);
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .navbar-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white) !important;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand .brand-icon {
            color: var(--accent-green);
            font-size: 1.5rem;
        }
        .navbar-brand:hover {
            color: var(--accent-gold) !important;
        }
        .navbar-nav {
            gap: 6px;
        }
        .navbar-nav .nav-item {
            list-style: none;
        }
        .navbar-nav .nav-link {
            color: var(--text-muted) !important;
            font-size: 1rem;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 12px;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .navbar-nav .nav-link:hover {
            color: var(--text-white) !important;
            background: rgba(0, 210, 106, 0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent-green) !important;
            background: rgba(0, 210, 106, 0.12);
            box-shadow: inset 0 -2px 0 var(--accent-green);
        }
        .navbar-toggler {
            border: none;
            padding: 4px 8px;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon-custom {
            display: block;
            width: 28px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 4px;
            position: relative;
            transition: var(--transition);
        }
        .navbar-toggler-icon-custom::before,
        .navbar-toggler-icon-custom::after {
            content: '';
            display: block;
            width: 28px;
            height: 3px;
            background: var(--accent-green);
            border-radius: 4px;
            position: absolute;
            left: 0;
            transition: var(--transition);
        }
        .navbar-toggler-icon-custom::before {
            top: -9px;
        }
        .navbar-toggler-icon-custom::after {
            top: 9px;
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            background: linear-gradient(135deg, #0B1A30 0%, #132244 50%, #0E1D36 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-gold);
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 210, 106, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 200, 75, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .page-banner h1 span {
            color: var(--accent-gold);
        }
        .page-banner .banner-sub {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 680px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .page-banner .banner-meta {
            margin-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            position: relative;
            z-index: 1;
        }
        .page-banner .banner-meta span {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .page-banner .banner-meta i {
            color: var(--accent-green);
            margin-right: 8px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--accent-green);
            margin: 0 0 24px 0;
            border-radius: 4px;
        }

        /* ===== 卡片玻璃拟态 ===== */
        .glass-card {
            background: rgba(14, 29, 54, 0.75);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 210, 106, 0.2);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-green);
            height: 100%;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 210, 106, 0.3);
            border-color: rgba(0, 210, 106, 0.5);
        }
        .glass-card .card-icon {
            font-size: 2.2rem;
            color: var(--accent-green);
            margin-bottom: 16px;
        }
        .glass-card h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .glass-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .glass-card .card-tag {
            display: inline-block;
            background: rgba(245, 200, 75, 0.15);
            color: var(--accent-gold);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== 按钮 ===== */
        .btn-accent {
            background: linear-gradient(135deg, var(--accent-green), #00B85A);
            color: var(--text-white) !important;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 16px rgba(0, 210, 106, 0.3);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(0, 210, 106, 0.5);
            background: linear-gradient(135deg, #00D26A, #00A84E);
        }
        .btn-accent:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #E0B030);
            color: #0B1A30 !important;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 16px rgba(245, 200, 75, 0.3);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(245, 200, 75, 0.5);
            background: linear-gradient(135deg, #F5C84B, #D4A820);
        }
        .btn-outline-green {
            background: transparent;
            color: var(--accent-green) !important;
            border: 2px solid var(--accent-green);
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-green:hover {
            background: var(--accent-green);
            color: var(--text-white) !important;
            box-shadow: 0 0 20px rgba(0, 210, 106, 0.3);
        }

        /* ===== 图文交替区块 ===== */
        .alt-row {
            align-items: center;
            margin-bottom: 60px;
        }
        .alt-row:last-child {
            margin-bottom: 0;
        }
        .alt-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-green);
            border: 1px solid rgba(0, 210, 106, 0.15);
        }
        .alt-img img {
            width: 100%;
            display: block;
            transition: var(--transition);
        }
        .alt-img img:hover {
            transform: scale(1.02);
        }
        .alt-content h3 {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .alt-content h3 i {
            color: var(--accent-green);
            margin-right: 10px;
        }
        .alt-content p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .alt-content .alt-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .alt-content .alt-list li {
            padding: 6px 0;
            color: var(--text-main);
            font-size: 0.95rem;
        }
        .alt-content .alt-list li i {
            color: var(--accent-green);
            margin-right: 12px;
            width: 18px;
        }

        /* ===== 流程步骤 ===== */
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(14, 29, 54, 0.6);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-dim);
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(0, 210, 106, 0.3);
            transform: translateY(-3px);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-green), #00B85A);
            color: var(--text-white);
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 16px rgba(0, 210, 106, 0.3);
        }
        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0;
        }
        .step-connector {
            display: none;
        }
        @media (min-width: 768px) {
            .step-connector {
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 1.8rem;
                color: var(--accent-green);
                opacity: 0.4;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: rgba(14, 29, 54, 0.4);
        }
        .accordion-item {
            background: rgba(14, 29, 54, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-dim);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-item:not(:first-of-type) {
            border-top: 1px solid var(--border-dim);
        }
        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2300D26A' viewBox='0 0 16 16'%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-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 210, 106, 0.08);
            color: var(--accent-green);
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(0, 210, 106, 0.3);
        }
        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA区块 ===== */
        .cta-section {
            background: linear-gradient(135deg, #0B1A30 0%, #132244 100%);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 60px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group-cta {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #081220;
            padding: 60px 0 0;
            border-top: 1px solid var(--border-gold);
        }
        .footer-brand {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand i {
            color: var(--accent-green);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer h5 {
            color: var(--text-white);
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--accent-green);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }
        .footer-contact p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        .footer-contact i {
            color: var(--accent-green);
            width: 24px;
            margin-right: 8px;
        }
        .social-icons {
            display: flex;
            gap: 14px;
            margin-top: 8px;
        }
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 210, 106, 0.1);
            color: var(--accent-green);
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 210, 106, 0.15);
        }
        .social-icons a:hover {
            background: var(--accent-green);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 0 20px rgba(0, 210, 106, 0.3);
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border-dim);
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .navbar-nav {
                gap: 2px;
                padding-top: 12px;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
                font-size: 0.95rem;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .alt-content h3 {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-custom {
                padding: 12px 0;
            }
            .navbar-brand {
                font-size: 1.3rem;
            }
            .page-banner {
                padding: 60px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-sub {
                font-size: 1rem;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .glass-card {
                padding: 24px 20px;
            }
            .glass-card h3 {
                font-size: 1.2rem;
            }
            .alt-row {
                margin-bottom: 40px;
            }
            .alt-content {
                margin-top: 20px;
            }
            .step-card {
                padding: 24px 16px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer {
                padding: 40px 0 0;
            }
            .footer .col-lg-2,
            .footer .col-lg-3,
            .footer .col-lg-4 {
                margin-bottom: 24px;
            }
            .social-icons {
                justify-content: center;
            }
            .footer h5::after {
                left: 50%;
                transform: translateX(-50%);
            }
            .footer h5 {
                text-align: center;
            }
            .footer-desc {
                text-align: center;
            }
            .footer-contact p {
                text-align: center;
            }
            .footer-links {
                text-align: center;
            }
        }
        @media (max-width: 576px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-meta {
                flex-direction: column;
                gap: 8px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn-accent,
            .btn-gold,
            .btn-outline-green {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .alt-content h3 {
                font-size: 1.1rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-gold {
            color: var(--accent-gold);
        }
        .text-green {
            color: var(--accent-green);
        }
        .bg-dark-card {
            background: var(--primary-card);
        }
        .border-green-light {
            border-color: rgba(0, 210, 106, 0.2);
        }
        .gap-8 {
            gap: 8px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .rounded-16 {
            border-radius: var(--radius-card);
        }
        .shadow-green {
            box-shadow: var(--shadow-green);
        }