/* roulang page: index */
:root {
        --primary: #8B6F47;
        --primary-dark: #5E4A2E;
        --accent: #C9A96E;
        --accent-light: #E8DCC8;
        --bg: #FAF7F2;
        --bg-alt: #F1EBE1;
        --bg-dark: #26221C;
        --text: #38322A;
        --text-light: #8B8378;
        --border: #E4DCCF;
        --white: #FFFFFF;
        --radius-lg: 20px;
        --radius-md: 14px;
        --radius-sm: 8px;
        --shadow-sm: 0 4px 16px rgba(0,0,0,0.05);
        --shadow-md: 0 10px 32px rgba(0,0,0,0.08);
        --shadow-lg: 0 20px 56px rgba(0,0,0,0.12);
        --ease: cubic-bezier(.25, .8, .25, 1);
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: color .25s var(--ease); }
    ul { list-style: none; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .section-pad { padding: 96px 0; }
    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 2px;
        color: var(--primary);
        background: var(--accent-light);
        padding: 6px 16px;
        border-radius: 40px;
        text-transform: uppercase;
        margin-bottom: 16px;
    }
    .section-title { font-size: 34px; font-weight: 800; line-height: 1.3; color: var(--text); margin-bottom: 12px; }
    .section-desc { font-size: 16px; color: var(--text-light); max-width: 680px; line-height: 1.8; }

    /* ===== NAVIGATION ===== */
    .site-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(250, 247, 242, 0.9);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--border);
        transition: box-shadow .3s var(--ease);
    }
    .site-nav.scrolled { box-shadow: var(--shadow-sm); }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .nav-logo { display: flex; flex-direction: column; line-height: 1.3; }
    .logo-main { font-size: 17px; font-weight: 800; color: var(--primary-dark); letter-spacing: .5px; }
    .logo-sub { font-size: 11px; color: var(--text-light); letter-spacing: 1.5px; font-weight: 500; }
    .nav-menu { display: flex; align-items: center; gap: 32px; }
    .nav-menu > li > a {
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        padding: 8px 4px;
        position: relative;
    }
    .nav-menu > li > a::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 0;
        height: 2px;
        background: var(--primary);
        transition: width .3s var(--ease);
    }
    .nav-menu > li > a:hover::after, .nav-menu > li > a.active::after { width: 100%; }
    .nav-menu > li > a.active { color: var(--primary); font-weight: 700; }
    .nav-cta-btn {
        background: var(--primary) !important;
        color: #fff !important;
        padding: 10px 24px !important;
        border-radius: 40px !important;
        font-weight: 600 !important;
        font-size: 14px !important;
        transition: all .3s var(--ease) !important;
        box-shadow: 0 4px 14px rgba(139, 111, 71, .3);
    }
    .nav-cta-btn:hover { background: var(--primary-dark) !important; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(139, 111, 71, .35); }
    .nav-cta-btn::after { display: none; }
    .nav-cta-btn i { margin-right: 6px; }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        z-index: 1101;
    }
    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--text);
        margin: 5px 0;
        border-radius: 2px;
        transition: all .3s var(--ease);
    }
    .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ===== HERO ===== */
    .hero {
        position: relative;
        min-height: 92vh;
        display: flex;
        align-items: center;
        background: linear-gradient(rgba(38, 34, 28, .72), rgba(38, 34, 28, .78)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        color: #fff;
        padding: 140px 0 100px;
        overflow: hidden;
    }
    .hero-inner { display: grid; grid-template-columns: 1.25fr .9fr; gap: 64px; align-items: center; }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(201, 169, 110, .2);
        border: 1px solid rgba(201, 169, 110, .4);
        color: var(--accent);
        font-size: 13px;
        font-weight: 600;
        padding: 8px 20px;
        border-radius: 40px;
        margin-bottom: 24px;
        letter-spacing: 1px;
    }
    .hero-badge i { font-size: 12px; }
    .hero h1 {
        font-size: 44px;
        font-weight: 800;
        line-height: 1.25;
        margin-bottom: 24px;
        letter-spacing: .5px;
    }
    .hero h1 span { color: var(--accent); }
    .hero-desc { font-size: 17px; line-height: 1.9; color: rgba(255, 255, 255, .88); max-width: 560px; margin-bottom: 36px; }
    .hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 32px;
        border-radius: 50px;
        font-size: 15px;
        font-weight: 700;
        cursor: pointer;
        border: none;
        transition: all .3s var(--ease);
        text-decoration: none;
    }
    .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(139, 111, 71, .35); }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(139, 111, 71, .4); }
    .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255, 255, 255, .6); }
    .btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
    .hero-stats { display: flex; gap: 48px; flex-wrap: wrap; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, .2); }
    .stat-item { display: flex; flex-direction: column; }
    .stat-num { font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1.2; }
    .stat-label { font-size: 14px; color: rgba(255, 255, 255, .75); margin-top: 4px; }

    /* Hero Demo Card */
    .hero-demo {
        background: rgba(255, 255, 255, .1);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255, 255, 255, .2);
        border-radius: var(--radius-lg);
        padding: 32px;
    }
    .demo-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
    .demo-head-title { font-size: 16px; font-weight: 700; }
    .live-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: #7FD1A7; background: rgba(127, 209, 167, .15); padding: 4px 12px; border-radius: 20px; }
    .live-tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #7FD1A7; animation: pulse 1.5s infinite; }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
    .demo-date { font-size: 24px; font-weight: 800; margin-bottom: 4px; }
    .demo-week { font-size: 13px; color: rgba(255, 255, 255, .7); margin-bottom: 20px; }
    .demo-slots { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
    .demo-slot {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(255, 255, 255, .1);
        border: 1px solid rgba(255, 255, 255, .15);
        border-radius: 12px;
        padding: 12px 16px;
        font-size: 14px;
        transition: background .3s var(--ease);
    }
    .demo-slot:hover { background: rgba(255, 255, 255, .18); }
    .demo-slot .slot-time { font-weight: 600; }
    .demo-slot .slot-status { font-size: 12px; color: var(--accent); }
    .demo-slot.full .slot-status { color: rgba(255, 255, 255, .4); }
    .demo-btn { width: 100%; justify-content: center; }
    .demo-note { text-align: center; font-size: 12px; color: rgba(255, 255, 255, .6); margin-top: 16px; }

    /* ===== COUNTDOWN ===== */
    .countdown-section { background: var(--bg-dark); color: #fff; padding: 48px 0; position: relative; overflow: hidden; }
    .countdown-section::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, transparent, var(--accent), transparent);
    }
    .countdown-wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
    .countdown-info { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .countdown-title { font-size: 19px; font-weight: 700; }
    .countdown-title i { color: var(--accent); margin-right: 8px; }
    .countdown-timer { display: flex; align-items: center; gap: 6px; }
    .cd-item {
        display: flex;
        align-items: center;
        gap: 4px;
        background: rgba(255, 255, 255, .1);
        border-radius: 10px;
        padding: 10px 16px;
        min-width: 68px;
        justify-content: center;
    }
    .cd-num { font-size: 28px; font-weight: 800; color: var(--accent); line-height: 1; }
    .cd-unit { font-size: 12px; color: rgba(255, 255, 255, .7); }
    .cd-sep { font-size: 22px; font-weight: 700; color: rgba(255, 255, 255, .4); }
    .btn-countdown { background: var(--accent); color: var(--bg-dark); border: none; }
    .btn-countdown:hover { background: #B8925B; color: var(--bg-dark); transform: translateY(-2px); }

    /* ===== HIGHLIGHTS ===== */
    .highlights-section { background: var(--bg); }
    .highlights-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 56px; flex-wrap: wrap; }
    .highlights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .hl-card {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 32px;
        box-shadow: var(--shadow-sm);
        transition: all .4s var(--ease);
        border: 1px solid var(--border);
        position: relative;
        overflow: hidden;
    }
    .hl-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        opacity: 0;
        transition: opacity .3s var(--ease);
    }
    .hl-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
    .hl-card:hover::before { opacity: 1; }
    .hl-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: var(--primary);
        background: var(--accent-light);
        margin-bottom: 20px;
    }
    .hl-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
    .hl-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
    .hl-card.has-img { padding: 0; overflow: hidden; }
    .hl-img-wrap { position: relative; height: 180px; }
    .hl-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
    .hl-img-wrap::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(38, 34, 28, .5), transparent);
    }
    .hl-card.has-img .hl-body { padding: 24px 28px 32px; }
    .hl-card.has-img .hl-icon { margin-top: -34px; position: relative; z-index: 2; box-shadow: var(--shadow-sm); }

    /* ===== PACKAGES ===== */
    .packages-section { background: var(--bg-alt); }
    .packages-header { text-align: center; margin-bottom: 56px; }
    .packages-header .section-desc { margin: 0 auto; }
    .packages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; align-items: stretch; }
    .package-card {
        background: var(--white);
        border-radius: var(--radius-lg);
        padding: 40px 36px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        display: flex;
        flex-direction: column;
        position: relative;
        transition: all .4s var(--ease);
    }
    .package-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
    .package-card.featured {
        border: 2px solid var(--primary);
        box-shadow: var(--shadow-md);
        background: linear-gradient(180deg, #fff 0%, #FBF8F3 100%);
    }
    .package-featured-tag {
        position: absolute;
        top: -14px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--primary);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 6px 20px;
        border-radius: 30px;
        box-shadow: 0 4px 12px rgba(139, 111, 71, .3);
        white-space: nowrap;
    }
    .package-name { font-size: 20px; font-weight: 800; margin-bottom: 4px; }
    .package-person { font-size: 14px; color: var(--text-light); margin-bottom: 20px; }
    .package-price { font-size: 40px; font-weight: 800; color: var(--primary); margin-bottom: 24px; line-height: 1.2; }
    .package-price small { font-size: 15px; font-weight: 500; color: var(--text-light); }
    .package-list { flex: 1; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
    .package-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text); line-height: 1.6; }
    .package-list li i { color: var(--primary); font-size: 13px; margin-top: 4px; }
    .package-list li.off { color: var(--text-light); opacity: .7; }
    .package-list li.off i { color: #C0B8AC; }
    .btn-package { width: 100%; justify-content: center; }
    .btn-package-featured { background: var(--primary); color: #fff; }
    .btn-package-featured:hover { background: var(--primary-dark); }

    /* ===== NEWS ===== */
    .news-section { background: var(--bg); }
    .news-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; }
    .news-list { display: flex; flex-direction: column; gap: 4px; }
    .news-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 18px 8px;
        border-bottom: 1px solid var(--border);
        transition: background .3s var(--ease);
    }
    .news-item:hover { background: rgba(201, 169, 110, .08); padding-left: 16px; }
    .news-date {
        font-size: 12px;
        color: var(--text-light);
        background: var(--bg-alt);
        padding: 4px 12px;
        border-radius: 20px;
        white-space: nowrap;
        font-weight: 600;
    }
    .news-title { font-size: 15px; font-weight: 600; color: var(--text); flex: 1; line-height: 1.5; }
    .news-item:hover .news-title { color: var(--primary); }
    .news-item .fa-chevron-right { color: var(--text-light); font-size: 12px; transition: transform .3s var(--ease); }
    .news-item:hover .fa-chevron-right { transform: translateX(4px); color: var(--primary); }
    .news-sidebar { display: flex; flex-direction: column; gap: 24px; }
    .news-recommend {
        background: linear-gradient(rgba(38, 34, 28, .6), rgba(38, 34, 28, .75)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        border-radius: var(--radius-lg);
        padding: 32px;
        color: #fff;
        min-height: 280px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        position: relative;
    }
    .news-recommend .rec-tag { font-size: 12px; color: var(--accent); letter-spacing: 1px; margin-bottom: 8px; font-weight: 600; }
    .news-recommend h4 { font-size: 22px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
    .news-recommend p { font-size: 13px; color: rgba(255, 255, 255, .8); line-height: 1.7; }
    .news-quick-links {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 28px;
        box-shadow: var(--shadow-sm);
    }
    .news-quick-links h4 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
    .quick-links-list { display: flex; flex-direction: column; gap: 10px; }
    .quick-links-list a { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); transition: all .3s var(--ease); }
    .quick-links-list a i { color: var(--accent); font-size: 12px; }
    .quick-links-list a:hover { color: var(--primary); transform: translateX(6px); }

    /* ===== REGISTER CTA ===== */
    .register-section {
        background: linear-gradient(rgba(38, 34, 28, .82), rgba(38, 34, 28, .86)), url('/assets/images/backpic/back-3.webp') center/cover;
        color: #fff;
        padding: 100px 0;
    }
    .register-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
    .register-left .section-title { color: #fff; }
    .register-left .section-desc { color: rgba(255, 255, 255, .8); }
    .register-contacts { display: flex; flex-direction: column; gap: 16px; margin-top: 36px; }
    .register-contact-item { display: flex; align-items: center; gap: 14px; font-size: 15px; color: rgba(255, 255, 255, .85); }
    .register-contact-item i {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: rgba(201, 169, 110, .2);
        border: 1px solid rgba(201, 169, 110, .3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
    }
    .register-form-wrap {
        background: rgba(255, 255, 255, .08);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, .15);
        border-radius: var(--radius-lg);
        padding: 40px;
    }
    .register-form-wrap h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
    .register-form-wrap p { font-size: 14px; color: rgba(255, 255, 255, .7); margin-bottom: 28px; }
    .form-group { margin-bottom: 20px; }
    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100%;
        background: rgba(255, 255, 255, .1);
        border: 1px solid rgba(255, 255, 255, .2);
        border-radius: 10px;
        padding: 13px 16px;
        font-size: 15px;
        color: #fff;
        transition: all .3s var(--ease);
        font-family: inherit;
    }
    .form-group select option { color: var(--text); background: #fff; }
    .form-group input::placeholder,
    .form-group textarea::placeholder { color: rgba(255, 255, 255, .5); }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(201, 169, 110, .25);
    }
    .btn-register { width: 100%; justify-content: center; background: var(--accent); color: var(--bg-dark); font-weight: 800; }
    .btn-register:hover { background: #B8925B; color: var(--bg-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(201, 169, 110, .3); }
    .register-tip { text-align: center; font-size: 12px; color: rgba(255, 255, 255, .5); margin-top: 16px; }

    /* ===== TOPICS ===== */
    .topics-section { background: var(--bg-alt); }
    .topics-header { text-align: center; margin-bottom: 48px; }
    .topics-header .section-desc { margin: 0 auto; }
    .topics-cloud { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; max-width: 900px; margin: 0 auto; }
    .topic-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: 40px;
        padding: 12px 26px;
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        transition: all .3s var(--ease);
        cursor: pointer;
        box-shadow: var(--shadow-sm);
    }
    .topic-tag i { color: var(--accent); font-size: 14px; transition: transform .3s var(--ease); }
    .topic-tag:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(139, 111, 71, .25);
    }
    .topic-tag:hover i { color: #fff; transform: rotate(90deg); }

    /* ===== FAQ ===== */
    .faq-section { background: var(--bg); }
    .faq-header { text-align: center; margin-bottom: 56px; }
    .faq-header .section-desc { margin: 0 auto; }
    .faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
    .faq-item {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 28px 32px;
        box-shadow: var(--shadow-sm);
        transition: all .3s var(--ease);
        cursor: pointer;
    }
    .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
    .faq-question { display: flex; justify-content: space-between; align-items: center; font-size: 17px; font-weight: 700; color: var(--text); gap: 20px; }
    .faq-question i { color: var(--primary); font-size: 14px; transition: transform .3s var(--ease); flex-shrink: 0; }
    .faq-item.open .faq-question i { transform: rotate(180deg); }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s var(--ease);
        color: var(--text-light);
        line-height: 1.8;
        font-size: 15px;
    }
    .faq-item.open .faq-answer { max-height: 300px; padding-top: 16px; }

    /* ===== FOOTER ===== */
    .site-footer { background: var(--bg-dark); color: rgba(255, 255, 255, .7); padding: 72px 0 32px; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
    .footer-brand .logo-main { color: #fff; }
    .footer-brand .logo-sub { color: rgba(255, 255, 255, .5); }
    .footer-desc { font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 320px; }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
    .footer-col a { font-size: 14px; color: rgba(255, 255, 255, .6); transition: all .3s var(--ease); }
    .footer-col a:hover { color: var(--accent); padding-left: 6px; }
    .footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; }
    .footer-contact i { color: var(--accent); width: 18px; }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding-top: 28px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(255, 255, 255, .4);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 1024px) {
        .section-pad { padding: 72px 0; }
        .hero { padding: 120px 0 80px; }
        .hero h1 { font-size: 36px; }
        .hero-inner { grid-template-columns: 1fr; gap: 48px; }
        .highlights-grid { grid-template-columns: repeat(2, 1fr); }
        .packages-grid { grid-template-columns: repeat(2, 1fr); }
        .package-card.featured { grid-column: span 2; }
        .news-grid { grid-template-columns: 1fr; }
        .register-grid { grid-template-columns: 1fr; gap: 40px; }
    }
    @media (max-width: 768px) {
        .nav-toggle { display: block; }
        .nav-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--bg);
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 32px;
            box-shadow: -20px 0 60px rgba(0, 0, 0, .1);
            transition: right .4s var(--ease);
            padding: 60px 32px;
            z-index: 1100;
        }
        .nav-menu.open { right: 0; }
        .nav-menu > li > a { font-size: 18px; }
        .hero { min-height: auto; }
        .hero h1 { font-size: 30px; }
        .hero-desc { font-size: 15px; }
        .hero-stats { gap: 28px; }
        .stat-num { font-size: 24px; }
        .countdown-wrap { flex-direction: column; align-items: flex-start; gap: 16px; }
        .cd-item { min-width: 56px; padding: 8px 12px; }
        .cd-num { font-size: 22px; }
        .highlights-grid { grid-template-columns: 1fr; }
        .packages-grid { grid-template-columns: 1fr; }
        .package-card.featured { grid-column: auto; }
        .section-title { font-size: 28px; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        .register-form-wrap { padding: 28px 24px; }
        .news-recommend { min-height: 220px; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .section-pad { padding: 56px 0; }
        .hero h1 { font-size: 26px; }
        .hero-desc { font-size: 14px; }
        .hero-cta { flex-direction: column; }
        .btn { width: 100%; justify-content: center; }
        .hero-stats { flex-direction: column; gap: 20px; }
        .stat-num { font-size: 22px; }
        .logo-main { font-size: 15px; }
        .countdown-title { font-size: 16px; }
        .cd-item { min-width: 48px; padding: 6px 10px; }
        .cd-num { font-size: 18px; }
        .cd-sep { font-size: 16px; }
        .news-item { flex-wrap: wrap; gap: 10px; }
        .news-title { flex: 0 0 100%; order: 3; }
        .news-date { order: 1; }
        .news-item .fa-chevron-right { display: none; }
        .topic-tag { padding: 10px 18px; font-size: 14px; }
        .faq-item { padding: 22px 20px; }
        .faq-question { font-size: 15px; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }

/* roulang page: category1 */
:root {
  --primary: #1e1e24;
  --primary-light: #2c2c36;
  --secondary: #c19a6b;
  --secondary-dark: #a8814f;
  --secondary-light: #e8cba5;
  --bg: #faf8f5;
  --bg-alt: #f3ede6;
  --white: #ffffff;
  --text: #2b2b2b;
  --text-light: #7a756f;
  --border: #e8e0d6;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-lg: 0 24px 70px rgba(30,30,36,.1);
  --shadow-md: 0 12px 40px rgba(30,30,36,.08);
  --shadow-sm: 0 6px 20px rgba(30,30,36,.05);
  --transition: .3s ease;
  --container: 1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition),background var(--transition),box-shadow var(--transition),transform var(--transition)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-head{max-width:720px;margin-bottom:56px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(193,154,107,.14);
  color:var(--secondary-dark);
  font-size:13px;font-weight:600;letter-spacing:.5px;
  padding:8px 20px;border-radius:50px;margin-bottom:18px;
}
.section-title{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  font-size:38px;font-weight:700;color:var(--text);
  line-height:1.3;margin-bottom:16px;
}
.section-desc{color:var(--text-light);font-size:16px;line-height:1.85}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:50px;
  font-size:15px;font-weight:600;border:none;cursor:pointer;
  transition:all var(--transition);
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid rgba(193,154,107,.4);outline-offset:2px}
.btn-gold{background:var(--secondary);color:#fff}
.btn-gold:hover{background:var(--secondary-dark);box-shadow:0 10px 25px rgba(193,154,107,.35)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-light);box-shadow:0 10px 25px rgba(30,30,36,.25)}
.btn-outline{background:transparent;border:2px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--secondary);color:var(--secondary-dark)}
.btn-outline-light{background:transparent;border:2px solid rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.btn-lg{padding:16px 38px;font-size:16px}
.btn-sm{padding:9px 20px;font-size:13px}

/* ===== Header / Nav ===== */
.site-nav{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav-logo{display:flex;flex-direction:column;line-height:1.25}
.logo-main{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.5px}
.logo-sub{font-size:11px;color:var(--text-light);letter-spacing:1.2px}
.nav-menu{display:flex;align-items:center;gap:34px;margin:0}
.nav-menu li{margin:0}
.nav-menu > li > a:not(.nav-cta-btn){
  color:var(--text);font-weight:500;font-size:15px;
  padding:8px 4px;position:relative;display:inline-block;
}
.nav-menu > li > a:not(.nav-cta-btn)::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--secondary);transition:width var(--transition);
}
.nav-menu > li > a:not(.nav-cta-btn):hover::after,
.nav-menu > li > a.active::after{width:100%}
.nav-menu > li > a.active{color:var(--secondary-dark)}
.nav-cta-btn{
  background:var(--secondary);color:#fff;padding:10px 24px;border-radius:50px;
  font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;
}
.nav-cta-btn:hover{background:var(--secondary-dark);box-shadow:0 8px 22px rgba(193,154,107,.35);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  padding:10px;border-radius:8px;z-index:110;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:5px 0;transition:all .35s ease;border-radius:2px}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:90px 0 100px;
  background:linear-gradient(140deg,rgba(30,30,36,.94) 0%,rgba(44,44,54,.88) 60%,rgba(30,30,36,.92) 100%),
  url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:'';position:absolute;bottom:-80px;right:-60px;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(193,154,107,.18),transparent 70%);
  pointer-events:none;
}
.hero-text{text-align:center;max-width:800px;margin:0 auto 54px;position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(6px);color:#f0e6da;
  font-size:13px;font-weight:500;padding:8px 20px;border-radius:50px;margin-bottom:24px;
}
.hero h1{
  font-size:48px;line-height:1.25;font-weight:800;
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,serif;
  margin-bottom:20px;letter-spacing:1px;
}
.hero-desc{font-size:17px;color:rgba(255,255,255,.85);line-height:1.85;max-width:640px;margin:0 auto}
.coupon-wall{
  display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:28px;align-items:center;
  position:relative;z-index:2;max-width:1080px;margin:0 auto;
}
.coupon-card{
  position:relative;background:var(--white);border-radius:18px;
  padding:30px 28px;box-shadow:0 20px 55px rgba(0,0,0,.22);
  transition:transform var(--transition),box-shadow var(--transition);
}
.coupon-card::before,.coupon-card::after{
  content:'';position:absolute;top:50%;transform:translateY(-50%);
  width:20px;height:20px;background:var(--primary);border-radius:50%;
  z-index:3;
}
.coupon-card::before{left:-10px}
.coupon-card::after{right:-10px}
.coupon-card:hover{transform:translateY(-4px);box-shadow:0 26px 60px rgba(0,0,0,.28)}
.coupon-main{
  border:2px solid var(--secondary);
  background:linear-gradient(145deg,#fffdfa,#fdf3e9);
  padding:40px 34px;box-shadow:0 30px 75px rgba(193,154,107,.38);
  transform:scale(1.03);
}
.coupon-main:hover{transform:scale(1.03) translateY(-4px)}
.coupon-main-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--secondary),var(--secondary-dark));
  color:#fff;font-size:12px;font-weight:700;letter-spacing:1px;
  padding:6px 16px;border-radius:50px;box-shadow:0 6px 18px rgba(193,154,107,.4);
  white-space:nowrap;
}
.coupon-inner{display:flex;align-items:center;gap:18px}
.coupon-left{
  text-align:center;padding-right:18px;border-right:2px dashed var(--border);
  min-width:110px;
}
.coupon-main .coupon-left{border-right-color:rgba(193,154,107,.4)}
.coupon-value{font-size:36px;font-weight:800;color:var(--secondary-dark);line-height:1;display:block}
.coupon-label{font-size:13px;color:var(--text-light);margin-top:6px;display:block;letter-spacing:.5px}
.coupon-right{flex:1}
.coupon-desc{font-size:13px;color:var(--text-light);line-height:1.6;margin-bottom:14px}
.coupon-main .coupon-desc{font-size:14px}
.coupon-side .coupon-value{font-size:28px}

/* ===== Services ===== */
.services{background:var(--bg)}
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.service-card{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:38px 28px 34px;
  box-shadow:var(--shadow-sm);transition:all var(--transition);
}
.service-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-md);
  border-color:rgba(193,154,107,.35);
}
.service-icon{
  width:60px;height:60px;border-radius:16px;
  background:linear-gradient(135deg,var(--secondary-light),var(--secondary));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:22px;box-shadow:0 10px 24px rgba(193,154,107,.25);
}
.service-card h3{font-size:19px;font-weight:700;margin-bottom:12px;color:var(--text)}
.service-card p{font-size:14px;color:var(--text-light);line-height:1.75}

/* ===== Stats ===== */
.stats-section{background:linear-gradient(135deg,#f3ede6,#ece3d8);position:relative}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{
  text-align:center;padding:36px 20px 30px;
  background:rgba(255,255,255,.85);backdrop-filter:blur(10px);
  border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.8);
  box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat-num{
  font-size:52px;font-weight:800;color:var(--secondary-dark);
  line-height:1.1;display:block;
  font-family:"Noto Serif SC","Source Han Serif SC",serif;
}
.stat-num sup{font-size:22px;font-weight:600;vertical-align:super;margin-left:2px}
.stat-label{font-size:14px;color:var(--text-light);margin-top:10px;display:block;letter-spacing:.5px}
.stat-divider{
  width:32px;height:3px;background:var(--secondary);
  border-radius:3px;margin:14px auto 0;
}

/* ===== Scenes ===== */
.scenes{background:var(--bg)}
.scenes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.scene-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-md);cursor:pointer;display:block;
}
.scene-card img{width:100%;height:340px;object-fit:cover;transition:transform .6s ease}
.scene-card:hover img{transform:scale(1.05)}
.scene-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(20,20,24,.78) 0%,rgba(20,20,24,.25) 45%,transparent 75%);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px 28px;
}
.scene-overlay h3{color:#fff;font-size:22px;font-weight:700;margin-bottom:8px}
.scene-overlay p{color:rgba(255,255,255,.85);font-size:14px;line-height:1.65;max-width:280px}
.scene-overlay .scene-line{
  width:40px;height:3px;background:var(--secondary);border-radius:3px;margin-bottom:14px;
  transition:width .4s ease;
}
.scene-card:hover .scene-line{width:64px}

/* ===== Process ===== */
.process{background:var(--bg-alt);position:relative}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
  position:relative;
}
.process-grid::before{
  content:'';position:absolute;top:30px;left:10%;right:10%;
  height:2px;background:linear-gradient(90deg,var(--secondary),var(--secondary-light));
  border-radius:2px;
}
.process-item{text-align:center;position:relative;padding:0 12px}
.process-num{
  width:60px;height:60px;border-radius:50%;margin:0 auto 22px;
  background:var(--white);color:var(--secondary-dark);
  border:2px solid var(--secondary);
  font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(193,154,107,.18);
  position:relative;z-index:2;background:#fff;
  transition:all var(--transition);
}
.process-item:hover .process-num{
  background:var(--secondary);color:#fff;transform:scale(1.08);
  box-shadow:0 12px 30px rgba(193,154,107,.35);
}
.process-item h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text)}
.process-item p{font-size:14px;color:var(--text-light);line-height:1.7}

/* ===== FAQ ===== */
.faq-section{background:var(--bg)}
.faq-list{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:14px;
  overflow:hidden;transition:box-shadow var(--transition);
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item.open{border-color:rgba(193,154,107,.4)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:22px 26px;cursor:pointer;
  font-weight:600;font-size:16px;color:var(--text);
  user-select:none;
}
.faq-q .faq-icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  background:rgba(193,154,107,.12);color:var(--secondary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:all .35s ease;
}
.faq-item.open .faq-icon{
  transform:rotate(45deg);background:var(--secondary);color:#fff;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .5s cubic-bezier(.4,0,.2,1);
}
.faq-item.open .faq-a{max-height:400px}
.faq-a-inner{padding:0 26px 24px;color:var(--text-light);font-size:15px;line-height:1.85}

/* ===== CTA ===== */
.cta-section{
  padding:110px 0;
  background:linear-gradient(rgba(30,30,36,.88),rgba(30,30,36,.88)),
  url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;position:relative;
}
.cta-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.cta-content .section-tag{background:rgba(255,255,255,.12);color:#f0e6da;border:1px solid rgba(255,255,255,.15)}
.cta-content .section-title{color:#fff;margin-bottom:18px;font-size:40px}
.cta-desc{color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;margin-bottom:30px}
.cta-contact{display:flex;flex-direction:column;gap:16px;margin-top:28px}
.cta-contact li{display:flex;align-items:center;gap:14px;font-size:15px;color:rgba(255,255,255,.85)}
.cta-contact i{
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  color:var(--secondary-light);font-size:16px;
}
.cta-form{
  background:var(--white);border-radius:var(--radius-lg);
  padding:42px 40px;box-shadow:var(--shadow-lg);
}
.cta-form h3{font-size:22px;font-weight:700;color:var(--text);margin-bottom:6px}
.cta-form .form-tip{font-size:13px;color:var(--text-light);margin-bottom:24px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group textarea{
  width:100%;border:1px solid var(--border);border-radius:12px;
  padding:13px 16px;background:var(--bg);
  transition:border-color var(--transition),box-shadow var(--transition);
  font-size:14px;
}
.form-group textarea{resize:vertical;min-height:88px}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:var(--secondary);
  box-shadow:0 0 0 3px rgba(193,154,107,.15);background:#fff;
}
.form-group input::placeholder,.form-group textarea::placeholder{color:#b5aea6}
.form-btn{
  width:100%;padding:15px 20px;border-radius:50px;border:none;
  background:linear-gradient(135deg,var(--secondary),var(--secondary-dark));
  color:#fff;font-size:15px;font-weight:700;cursor:pointer;
  transition:all var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;
}
.form-btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(193,154,107,.4)}
.form-btn.success{background:#4a9d62}
.form-note{font-size:12px;color:var(--text-light);text-align:center;margin-top:14px;line-height:1.6}

/* ===== Footer ===== */
.site-footer{background:#18181e;color:rgba(255,255,255,.82);padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.2fr;gap:50px;padding-bottom:48px}
.footer-brand .nav-logo{margin-bottom:8px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:rgba(255,255,255,.5)}
.footer-desc{color:rgba(255,255,255,.55);font-size:14px;line-height:1.8;margin-top:18px;max-width:360px}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:10px}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;
  background:var(--secondary);border-radius:2px;
}
.footer-col li{margin-bottom:11px}
.footer-col a{color:rgba(255,255,255,.6);font-size:14px;transition:color var(--transition),padding-left var(--transition)}
.footer-col a:hover{color:var(--secondary-light);padding-left:5px}
.footer-contact li{
  display:flex;align-items:flex-start;gap:12px;
  color:rgba(255,255,255,.6);font-size:14px;line-height:1.7;
}
.footer-contact i{color:var(--secondary-light);margin-top:4px;width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;
  color:rgba(255,255,255,.45);font-size:13px;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .coupon-wall{grid-template-columns:1fr 1fr;max-width:720px}
  .coupon-side:last-child{display:none}
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .scenes-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:36px 24px}
  .process-grid::before{display:none}
  .cta-grid{grid-template-columns:1fr;gap:48px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:768px){
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;top:74px;left:0;right:0;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(18px);
    flex-direction:column;align-items:stretch;
    gap:4px;padding:20px 24px 28px;
    box-shadow:0 30px 50px rgba(0,0,0,.12);
    transform:translateY(-130%);opacity:0;
    pointer-events:none;
    transition:transform .45s ease,opacity .3s ease;
  }
  .nav-menu.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-menu > li{margin:4px 0}
  .nav-menu > li > a:not(.nav-cta-btn){display:block;padding:12px 4px;font-size:16px}
  .nav-menu > li > a:not(.nav-cta-btn)::after{display:none}
  .nav-menu > li > a.active{color:var(--secondary-dark);background:rgba(193,154,107,.08);border-radius:10px;padding-left:14px}
  .nav-cta-btn{margin-top:14px;display:flex;justify-content:center}
  .hero{padding:70px 0 80px}
  .hero h1{font-size:34px}
  .hero-desc{font-size:16px}
  .coupon-wall{grid-template-columns:1fr;max-width:440px}
  .coupon-side{display:block}
  .section{padding:70px 0}
  .section-title{font-size:30px}
  .cta-section{padding:80px 0}
  .cta-form{padding:32px 24px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .services-grid,.stats-grid,.scenes-grid,.process-grid{grid-template-columns:1fr}
  .stats-grid{gap:16px}
  .hero h1{font-size:28px}
  .hero-tag{font-size:12px;padding:7px 16px}
  .coupon-card{padding:22px}
  .coupon-main{padding:30px 22px}
  .coupon-inner{flex-direction:column;text-align:center}
  .coupon-left{border-right:0;border-bottom:2px dashed var(--border);padding-right:0;padding-bottom:14px;margin-bottom:14px;min-width:0}
  .coupon-main .coupon-left{border-bottom-color:rgba(193,154,107,.4)}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;text-align:center}
  .process-grid::before{display:none}
}