/* roulang page: index */
:root {
            --bg-deep: #0a0614;
            --bg-dark: #110a24;
            --bg-card: rgba(18, 10, 40, 0.75);
            --bg-card-hover: rgba(26, 14, 56, 0.85);
            --neon-cyan: #00f0ff;
            --neon-cyan-dim: rgba(0, 240, 255, 0.35);
            --neon-cyan-glow: rgba(0, 240, 255, 0.55);
            --neon-rose: #ff007f;
            --neon-rose-dim: rgba(255, 0, 127, 0.35);
            --neon-rose-glow: rgba(255, 0, 127, 0.5);
            --accent-gold: #c9a96e;
            --accent-gold-dim: rgba(201, 169, 110, 0.4);
            --text-primary: #e8e6f0;
            --text-secondary: #b8b5c8;
            --text-muted: #8a87a0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-neon: rgba(0, 240, 255, 0.3);
            --border-neon-hover: rgba(0, 240, 255, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 30px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-neon: 0 0 24px rgba(0, 240, 255, 0.25), 0 0 60px rgba(0, 240, 255, 0.08);
            --shadow-neon-rose: 0 0 24px rgba(255, 0, 127, 0.25), 0 0 60px rgba(255, 0, 127, 0.08);
            --shadow-elevated: 0 16px 48px rgba(0, 0, 0, 0.6);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Heiti SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        a:hover {
            color: var(--neon-cyan);
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin: 0;
            color: var(--text-primary);
        }

        h1 {
            font-size: 2.8rem;
            letter-spacing: 0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: 0.01em;
        }
        h3 {
            font-size: 1.35rem;
        }
        p {
            margin: 0;
            color: var(--text-secondary);
        }

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

        .container-narrow {
            max-width: 900px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(8, 4, 20, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--neon-cyan), var(--neon-rose), var(--neon-cyan)) 1;
            transition: all var(--transition-smooth);
        }

        .site-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 35%, rgba(0, 240, 255, 0.6), rgba(255, 0, 127, 0.3));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }

        .nav-brand:hover {
            color: #fff;
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-list li a {
            display: block;
            padding: 8px 18px;
            border-radius: 25px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-list li a:hover,
        .nav-list li a.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.08);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.5);
        }

        .nav-list li a.active {
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.2);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--neon-cyan);
            color: #0a0614 !important;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            letter-spacing: 0.02em;
        }

        .nav-cta-btn:hover {
            background: #33f5ff;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
            color: #0a0614 !important;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 10px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.04);
            display: none;
        }

        .navbar-toggler-icon {
            display: inline-block;
            width: 24px;
            height: 2px;
            background: #fff;
            position: relative;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            position: absolute;
            left: 0;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-icon::before {
            top: -7px;
        }
        .navbar-toggler-icon::after {
            top: 7px;
        }

        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(8, 4, 20, 0.96);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-neon);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-smooth);
                pointer-events: none;
                z-index: 1049;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list li a {
                display: block;
                text-align: center;
                padding: 12px 20px;
                border-radius: 10px;
                font-size: 1rem;
            }
            .nav-cta-btn {
                display: block;
                text-align: center;
                margin-top: 8px;
            }
        }

        /* ========== HERO - 优惠券墙 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: var(--bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 6, 20, 0.7) 0%, rgba(10, 6, 20, 0.85) 40%, rgba(10, 6, 20, 0.95) 100%);
            z-index: 1;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(255, 0, 127, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 60%, rgba(0, 240, 255, 0.04) 0%, transparent 40%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            text-align: center;
            padding: 40px 0;
        }

        .hero-label {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--neon-cyan);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            text-shadow: 0 0 40px rgba(255, 255, 255, 0.3);
            line-height: 1.25;
        }
        .hero-title .highlight {
            color: var(--neon-cyan);
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* 优惠券墙 */
        .coupon-wall {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
            padding: 0 10px;
        }

        .coupon-card {
            position: relative;
            width: 260px;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            border: 1.5px dashed var(--border-neon);
            padding: 28px 22px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: var(--shadow-card);
            flex-shrink: 0;
        }
        .coupon-card:hover {
            border-color: var(--border-neon-hover);
            box-shadow: var(--shadow-neon), var(--shadow-elevated);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .coupon-card.coupon-main {
            width: 310px;
            border: 2px solid var(--neon-cyan);
            border-style: solid;
            box-shadow: var(--shadow-neon), var(--shadow-elevated);
            z-index: 2;
            transform: scale(1.06);
            background: rgba(20, 12, 48, 0.88);
        }
        .coupon-card.coupon-main:hover {
            transform: scale(1.08);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.4), 0 0 80px rgba(0, 240, 255, 0.12), var(--shadow-elevated);
        }
        .coupon-card.coupon-main .coupon-badge {
            background: var(--neon-rose);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 5px 14px;
            border-radius: 20px;
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
            letter-spacing: 0.04em;
        }
        .coupon-card .coupon-icon {
            font-size: 2.2rem;
            margin-bottom: 10px;
            display: block;
        }
        .coupon-card.coupon-main .coupon-icon {
            font-size: 2.8rem;
        }
        .coupon-card .coupon-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .coupon-card.coupon-main .coupon-name {
            font-size: 1.35rem;
            color: var(--neon-cyan);
        }
        .coupon-card .coupon-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .coupon-card .coupon-btn {
            display: inline-block;
            padding: 9px 24px;
            border-radius: 25px;
            font-size: 0.9rem;
            font-weight: 600;
            background: transparent;
            border: 1.5px solid var(--neon-cyan);
            color: var(--neon-cyan);
            transition: all var(--transition-smooth);
            letter-spacing: 0.02em;
        }
        .coupon-card .coupon-btn:hover {
            background: var(--neon-cyan);
            color: #0a0614;
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.4);
        }
        .coupon-card.coupon-main .coupon-btn {
            background: var(--neon-cyan);
            color: #0a0614;
            border: 1.5px solid var(--neon-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            padding: 10px 28px;
            font-size: 0.95rem;
        }
        .coupon-card.coupon-main .coupon-btn:hover {
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.55);
            background: #33f5ff;
        }
        .coupon-cut-line {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 60px;
            width: 80%;
            height: 1px;
            background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.25) 6px, transparent 6px, transparent 12px);
            pointer-events: none;
        }

        @media (max-width: 992px) {
            .coupon-wall {
                gap: 14px;
            }
            .coupon-card {
                width: 220px;
                padding: 20px 16px 16px;
            }
            .coupon-card.coupon-main {
                width: 260px;
                transform: scale(1.04);
            }
            .coupon-card.coupon-main:hover {
                transform: scale(1.06);
            }
            .hero-title {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .coupon-wall {
                flex-direction: column;
                gap: 16px;
                align-items: center;
            }
            .coupon-card,
            .coupon-card.coupon-main {
                width: 100%;
                max-width: 360px;
                transform: none;
            }
            .coupon-card.coupon-main:hover {
                transform: translateY(-4px);
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
                padding: 0 10px;
            }
            .coupon-cut-line {
                bottom: 56px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: auto;
                padding: 100px 0 40px;
            }
            .coupon-card,
            .coupon-card.coupon-main {
                max-width: 100%;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 80px 0;
            position: relative;
        }
        .section-block.section-alt {
            background: var(--bg-dark);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--neon-cyan);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 40px;
            line-height: 1.7;
            text-align: center;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
        }

        /* ========== 内容日历 ========== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .calendar-day {
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            padding: 22px 16px;
            text-align: center;
            transition: all var(--transition-smooth);
            cursor: default;
        }
        .calendar-day:hover {
            border-color: var(--border-neon-hover);
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }
        .calendar-day .day-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--neon-cyan);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .calendar-day .day-topic {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .calendar-day .day-time {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .calendar-day.day-highlight {
            border-color: var(--neon-rose-dim);
            box-shadow: 0 0 16px rgba(255, 0, 127, 0.15);
            background: rgba(26, 10, 40, 0.8);
        }
        .calendar-day.day-highlight .day-name {
            color: var(--neon-rose);
        }
        @media (max-width: 520px) {
            .calendar-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .calendar-day {
                padding: 16px 10px;
            }
        }

        /* ========== 热门专题 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            cursor: pointer;
        }
        .topic-card:hover {
            border-color: var(--border-neon-hover);
            box-shadow: var(--shadow-neon), var(--shadow-elevated);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .topic-card:hover .topic-img {
            transform: scale(1.05);
        }
        .topic-card .topic-body {
            padding: 20px;
        }
        .topic-card .topic-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--neon-cyan);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .topic-card .topic-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card .topic-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 520px) {
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 数据看板 ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            text-align: center;
        }
        .stat-item {
            flex: 1 1 180px;
            max-width: 220px;
            padding: 24px 16px;
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
        }
        .stat-item:hover {
            border-color: var(--border-neon-hover);
            box-shadow: var(--shadow-neon);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--neon-cyan);
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-number.rose {
            color: var(--neon-rose);
            text-shadow: 0 0 20px rgba(255, 0, 127, 0.4);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media (max-width: 520px) {
            .stats-row {
                gap: 14px;
            }
            .stat-item {
                flex: 1 1 130px;
                max-width: 160px;
                padding: 16px 10px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== 资讯 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 30px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            background: transparent;
        }
        .news-item:hover {
            background: var(--bg-card);
            border-color: var(--border-subtle);
        }
        .news-item .news-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-cyan);
            flex-shrink: 0;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
        }
        .news-item .news-title {
            flex: 1;
            font-size: 0.95rem;
            color: var(--text-primary);
            font-weight: 500;
            line-height: 1.4;
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .news-sidebar {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            padding: 24px;
            position: sticky;
            top: 90px;
        }
        .news-sidebar h4 {
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-subtle);
            letter-spacing: 0.02em;
        }
        .news-sidebar .side-item {
            display: block;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .news-sidebar .side-item:hover {
            color: var(--neon-cyan);
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                position: static;
                border-radius: var(--radius-md);
            }
        }

        /* ========== 使用指南 + FAQ ========== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .guide-step {
            text-align: center;
            padding: 28px 18px;
            background: var(--bg-card);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .guide-step:hover {
            border-color: var(--border-neon-hover);
            box-shadow: var(--shadow-neon);
        }
        .guide-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.15);
            color: var(--neon-cyan);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 12px;
            border: 2px solid rgba(0, 240, 255, 0.3);
        }
        .guide-step .step-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .guide-step .step-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--border-neon);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.06);
            color: var(--neon-cyan);
            box-shadow: none;
            border-bottom: 1px solid var(--border-neon);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
            border-color: var(--border-neon-hover);
        }
        .faq-accordion .accordion-button::after {
            filter: invert(0.7) brightness(2);
        }
        .faq-accordion .accordion-body {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 16px 20px;
            background: rgba(0, 0, 0, 0.2);
        }
        .faq-accordion .accordion-button .faq-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--neon-cyan);
            margin-right: 10px;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
            flex-shrink: 0;
        }

        /* ========== 保障图标条 ========== */
        .guarantee-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 28px;
            text-align: center;
        }
        .guarantee-item {
            flex: 1 1 160px;
            max-width: 200px;
            padding: 20px 10px;
        }
        .guarantee-item .g-icon {
            font-size: 2.4rem;
            margin-bottom: 10px;
            display: block;
            color: var(--neon-cyan);
            text-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
            transition: all var(--transition-fast);
        }
        .guarantee-item:hover .g-icon {
            text-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
            transform: scale(1.1);
        }
        .guarantee-item .g-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .guarantee-item .g-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 520px) {
            .guarantee-row {
                gap: 16px;
            }
            .guarantee-item {
                flex: 1 1 120px;
                max-width: 150px;
                padding: 12px 6px;
            }
            .guarantee-item .g-icon {
                font-size: 1.8rem;
            }
        }

        /* ========== 相关推荐 ========== */
        .recommend-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .recommend-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .recommend-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .recommend-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }
        .recommend-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            box-shadow: var(--shadow-card);
        }
        .recommend-card:hover {
            border-color: var(--border-neon-hover);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }
        .recommend-card img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .recommend-card .rec-body {
            padding: 16px;
        }
        .recommend-card .rec-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .recommend-card .rec-tag {
            display: inline-block;
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(255, 0, 127, 0.12);
            color: var(--neon-rose);
            font-weight: 500;
        }
        @media (max-width: 520px) {
            .recommend-card {
                flex: 0 0 240px;
            }
        }

        /* ========== 联系CTA ========== */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(20, 10, 44, 0.95) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--neon-cyan-dim), var(--neon-rose-dim), transparent);
        }
        .cta-form-wrap {
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-form-wrap .form-control {
            background: rgba(255, 255, 255, 0.04);
            border: 1.5px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            color: #fff;
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .cta-form-wrap .form-control:focus {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--neon-cyan);
            box-shadow: 0 0 0 4px rgba(0, 240, 255, 0.1), 0 0 16px rgba(0, 240, 255, 0.2);
            color: #fff;
        }
        .cta-form-wrap .form-control::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .cta-form-wrap textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            display: inline-block;
            width: 100%;
            padding: 13px 28px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--neon-cyan);
            color: #0a0614;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.3);
            letter-spacing: 0.03em;
            cursor: pointer;
        }
        .btn-submit:hover {
            background: #33f5ff;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }
        .btn-submit:active {
            transform: scale(0.97);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 24px;
            text-align: center;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            max-width: 500px;
            margin: 0 auto 20px;
            line-height: 1.6;
        }
        .footer-social {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 20px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-secondary);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }
        .footer-copy {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* ========== UTILITY ANIMATIONS ========== */
        @keyframes subtle-pulse {
            0%,
            100% {
                opacity: 0.7;
            }
            50% {
                opacity: 1;
            }
        }
        .pulse-glow {
            animation: subtle-pulse 3s ease-in-out infinite;
        }
        @keyframes float-up {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        .float-gentle {
            animation: float-up 4s ease-in-out infinite;
        }