/* roulang page: index */
:root{
--bg:#0b1b2b;--bg-light:#132b3d;--accent:#38bdf8;--accent-dark:#0ea5e9;--accent-glow:rgba(56,189,248,.35);
--gold:#d4a574;--text:#e2e8f0;--text-muted:#94a3b8;--border:rgba(56,189,248,.14);
--glass-bg:rgba(255,255,255,.04);--glass-border:rgba(255,255,255,.08);
--radius:16px;--radius-sm:10px;--shadow:0 8px 32px rgba(0,0,0,.35);--shadow-glow:0 0 28px rgba(56,189,248,.22);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit}
.container-custom{max-width:1240px;margin:0 auto;padding:0 24px}
section{position:relative}
::selection{background:rgba(56,189,248,.35);color:#fff}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(11,27,43,.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(11,27,43,.96);box-shadow:0 4px 30px rgba(0,0,0,.35)}
.logo-link{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:#fff;white-space:nowrap;flex-shrink:0}
.logo-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:linear-gradient(135deg,#38bdf8,#0ea5e9);border-radius:12px;color:#fff;font-size:18px;box-shadow:0 0 20px rgba(56,189,248,.4);transition:transform .3s}
.logo-link:hover .logo-icon{transform:rotate(-8deg) scale(1.05)}
.search-box{display:flex;align-items:center;flex:1;max-width:480px;margin:0 32px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:50px;padding:9px 20px;transition:all .3s}
.search-box:focus-within{border-color:rgba(56,189,248,.5);box-shadow:0 0 24px rgba(56,189,248,.22);background:rgba(255,255,255,.1)}
.search-box i{color:var(--text-muted);margin-right:10px;font-size:14px}
.search-box input{flex:1;background:transparent;border:none;outline:none;color:#fff;font-size:14px}
.search-box input::placeholder{color:#5e7184}
.nav-link{position:relative;padding:6px 2px;font-size:14px;color:var(--text-muted);transition:color .3s}
.nav-link:hover{color:#fff}
.nav-link.active{color:var(--accent)}
.nav-link.active::after{content:'';position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--accent);border-radius:2px;box-shadow:0 0 10px rgba(56,189,248,.6)}

/* Hero */
.hero{position:relative;padding:170px 0 100px;overflow:hidden;background:#0b1b2b}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,27,43,.97) 15%,rgba(11,27,43,.78) 55%,rgba(11,27,43,.58) 100%);z-index:1}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 75% 30%,rgba(56,189,248,.08),transparent 60%);z-index:1}
.hero-content{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:50px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.25);color:var(--accent);font-size:13px;font-weight:500;letter-spacing:.5px;margin-bottom:22px}
.hero-badge i{font-size:12px}
.hero h1{font-size:38px;line-height:1.3;font-weight:800;color:#fff;letter-spacing:-.5px}
.hero h1 .highlight{background:linear-gradient(135deg,#38bdf8,#7dd3fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{margin-top:22px;font-size:16px;line-height:1.9;color:#cbd5e1;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.img-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 34px;border-radius:50px;font-size:15px;font-weight:600;transition:all .3s;border:none}
.img-btn{background:linear-gradient(135deg,#38bdf8,#0ea5e9);color:#04131f;box-shadow:0 0 28px rgba(56,189,248,.35)}
.img-btn:hover{transform:translateY(-3px);box-shadow:0 0 40px rgba(56,189,248,.55)}
.ghost-btn{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);color:#e2e8f0}
.ghost-btn:hover{background:rgba(255,255,255,.13);border-color:rgba(56,189,248,.4);box-shadow:0 0 24px rgba(56,189,248,.15)}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:34px;border-top:1px solid rgba(255,255,255,.08)}
.stat-item{text-align:left}
.stat-num{font-size:30px;font-weight:800;color:#fff;line-height:1.2}
.stat-num span{color:var(--accent)}
.stat-label{font-size:13px;color:var(--text-muted);margin-top:2px}
.hero-time-panel{padding:28px;border-radius:20px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.hero-time-panel .panel-title{text-align:center;font-size:14px;color:var(--text-muted);margin-bottom:20px;letter-spacing:2px}
.time-slot{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);margin-bottom:12px;cursor:pointer;transition:all .3s}
.time-slot:last-child{margin-bottom:0}
.time-slot:hover{border-color:rgba(56,189,248,.4);background:rgba(56,189,248,.07);transform:translateX(6px)}
.time-slot.active{border-color:var(--accent);background:rgba(56,189,248,.1);box-shadow:0 0 20px rgba(56,189,248,.12)}
.time-name{font-weight:700;font-size:16px;color:#fff;min-width:76px}
.time-range{font-size:13px;color:var(--text-muted);flex:1;text-align:center}
.time-status{font-size:12px;padding:4px 12px;border-radius:50px;font-weight:500}
.time-status.available{background:rgba(34,197,94,.15);color:#4ade80;border:1px solid rgba(34,197,94,.25)}
.time-status.warning{background:rgba(251,191,36,.12);color:#fbbf24;border:1px solid rgba(251,191,36,.25)}
.time-status.danger{background:rgba(248,113,113,.12);color:#f87171;border:1px solid rgba(248,113,113,.25)}
.time-note{margin-top:18px;text-align:center;font-size:12px;color:var(--text-muted)}

/* Section general */
.section-pad{padding:96px 0}
.section-head{margin-bottom:56px}
.section-title{font-size:32px;font-weight:800;color:#fff;line-height:1.3;letter-spacing:-.3px}
.section-title em{font-style:normal;color:var(--accent)}
.section-desc{margin-top:14px;font-size:16px;color:var(--text-muted);max-width:680px;line-height:1.8}
.section-more{margin-top:30px}

/* Glass card */
.glass-card{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:all .35s}
.feature-card{padding:34px 28px;position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.15),transparent 70%);opacity:0;transition:opacity .4s}
.feature-card:hover::before{opacity:1}
.feature-card:hover{border-color:rgba(56,189,248,.3);transform:translateY(-6px);box-shadow:var(--shadow-glow)}
.feature-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,rgba(56,189,248,.2),rgba(14,165,233,.1));border:1px solid rgba(56,189,248,.25);display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--accent);margin-bottom:20px}
.feature-card h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.75}

/* Time slot cards */
.slot-card{padding:0;overflow:hidden;position:relative;transition:all .35s}
.slot-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-glow)}
.slot-top{padding:30px 28px 20px;border-bottom:1px solid rgba(255,255,255,.06)}
.slot-badge{display:inline-block;font-size:12px;padding:4px 14px;border-radius:50px;background:rgba(56,189,248,.12);color:var(--accent);border:1px solid rgba(56,189,248,.25);margin-bottom:14px}
.slot-card h3{font-size:22px;font-weight:700;color:#fff}
.slot-card .slot-time{font-size:14px;color:var(--text-muted);margin-top:4px}
.slot-body{padding:24px 28px 32px}
.slot-body p{font-size:14px;color:var(--text-muted);line-height:1.75;margin-bottom:20px}
.slot-price{font-size:24px;font-weight:800;color:#fff}
.slot-price small{font-size:14px;color:var(--text-muted);font-weight:400}
.slot-action{display:inline-flex;align-items:center;gap:6px;margin-top:16px;padding:10px 24px;border-radius:50px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.3);color:var(--accent);font-size:14px;font-weight:500;transition:all .3s}
.slot-action:hover{background:var(--accent);color:#04131f;box-shadow:0 0 24px rgba(56,189,248,.4)}

/* Tea cards */
.tea-card{overflow:hidden;transition:all .35s;background:rgba(255,255,255,.03)}
.tea-card:hover{transform:translateY(-10px);box-shadow:0 16px 40px rgba(0,0,0,.45)}
.tea-img-wrap{position:relative;height:220px;overflow:hidden}
.tea-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.tea-card:hover .tea-img-wrap img{transform:scale(1.08)}
.tea-img-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,27,43,.85))}
.tea-score{position:absolute;top:16px;right:16px;z-index:2;background:rgba(11,27,43,.8);backdrop-filter:blur(8px);border:1px solid rgba(56,189,248,.3);color:var(--accent);font-weight:700;font-size:14px;padding:5px 14px;border-radius:50px}
.tea-body{padding:24px 26px 28px}
.tea-body h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:8px}
.tea-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px}
.tea-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tea-tag{font-size:12px;padding:3px 12px;border-radius:50px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.08);color:var(--text-muted)}
.tea-meta{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--text-muted)}
.tea-meta .price{color:var(--gold);font-weight:600}

/* News */
.news-item{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.05);margin-bottom:14px;transition:all .3s}
.news-item:hover{background:rgba(56,189,248,.06);border-color:rgba(56,189,248,.25);transform:translateX(6px)}
.news-item .news-title{font-size:15px;font-weight:500;color:#e2e8f0;transition:color .3s}
.news-item:hover .news-title{color:var(--accent)}
.news-item .news-date{font-size:13px;color:var(--text-muted);flex-shrink:0;margin-left:20px}
.news-item .news-tag{font-size:12px;padding:3px 10px;border-radius:50px;background:rgba(56,189,248,.1);color:var(--accent);margin-right:12px;flex-shrink:0}
.side-card{padding:24px;border-radius:16px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);margin-bottom:20px}
.side-card h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.08)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag-item{font-size:13px;padding:5px 14px;border-radius:50px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);color:var(--text-muted);transition:all .3s}
.tag-item:hover{background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.3);color:var(--accent)}
.side-link{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:14px;color:var(--text-muted);transition:all .3s;border-bottom:1px solid rgba(255,255,255,.04)}
.side-link:last-child{border-bottom:none}
.side-link:hover{color:var(--accent);padding-left:6px}
.side-link i{font-size:12px;color:var(--accent)}

/* Booking form */
.booking-wrap{border-radius:24px;overflow:hidden;background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.08);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.booking-left{padding:44px 40px;background:rgba(11,27,43,.6);border-right:1px solid rgba(255,255,255,.06)}
.booking-right{padding:44px 40px}
.booking-feature{display:flex;gap:14px;margin-bottom:24px;align-items:flex-start}
.booking-feature-icon{width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.25);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:16px;flex-shrink:0}
.booking-feature-text{font-size:14px;color:var(--text-muted);line-height:1.7}
.booking-feature-text strong{color:#e2e8f0;font-weight:600}
.form-group{margin-bottom:22px}
.form-label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:8px;font-weight:500}
.form-input{width:100%;padding:13px 18px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);color:#fff;font-size:14px;outline:none;transition:all .3s}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 20px rgba(56,189,248,.2);background:rgba(255,255,255,.08)}
.form-input::placeholder{color:#5e7184}
.form-select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394a3b8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 18px center;padding-right:44px;cursor:pointer}
.form-select option{background:#132b3d;color:#fff}
.form-textarea{min-height:100px;resize:vertical}
.submit-btn{width:100%;padding:16px 28px;border-radius:50px;background:linear-gradient(135deg,#38bdf8,#0ea5e9);color:#04131f;font-size:16px;font-weight:700;border:none;box-shadow:0 0 28px rgba(56,189,248,.35);transition:all .3s;display:flex;align-items:center;justify-content:center;gap:10px}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 0 44px rgba(56,189,248,.55)}
.submit-btn:active{transform:translateY(0)}

/* FAQ */
.faq-item{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;margin-bottom:16px;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:rgba(56,189,248,.25)}
.faq-item.open{border-color:rgba(56,189,248,.35);background:rgba(56,189,248,.04)}
.faq-q{padding:22px 26px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:16px;font-weight:600;color:#fff;transition:color .3s}
.faq-q:hover{color:var(--accent)}
.faq-q i{font-size:14px;color:var(--accent);transition:transform .4s;flex-shrink:0;margin-left:16px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease,padding .3s}
.faq-a-inner{padding:0 26px 24px;font-size:14px;color:var(--text-muted);line-height:1.9}

/* CTA */
.cta-section{position:relative;padding:110px 0;overflow:hidden}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.cta-section::before{content:'';position:absolute;inset:0;background:rgba(11,27,43,.85);z-index:1}
.cta-section::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 80%,rgba(56,189,248,.12),transparent 55%);z-index:1}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{font-size:36px;font-weight:800;color:#fff;line-height:1.3}
.cta-inner p{margin-top:20px;font-size:16px;color:#cbd5e1;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-top:36px}

/* Footer */
.site-footer{background:#071320;border-top:1px solid rgba(255,255,255,.06);padding:70px 0 0}
.footer-brand{font-size:18px;font-weight:700;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.8;max-width:340px}
.footer-bottom{margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:#64748b;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.footer-links h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links ul{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-muted);transition:all .3s}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact{font-size:14px;color:var(--text-muted);line-height:2.2}

/* Floating CTA */
.float-btn{position:fixed;right:24px;bottom:24px;z-index:90;width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#38bdf8,#0ea5e9);color:#04131f;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 0 28px rgba(56,189,248,.4);transition:all .3s}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 0 44px rgba(56,189,248,.6)}

/* Responsive */
@media(max-width:1024px){
.hero{padding:150px 0 80px}
.hero h1{font-size:32px}
.search-box{margin:0 16px}
.section-pad{padding:76px 0}
.section-title{font-size:28px}
}
@media(max-width:768px){
.container-custom{padding:0 18px}
.logo-link{font-size:14px}
.logo-icon{width:34px;height:34px;font-size:15px}
.nav-link{font-size:13px}
.hero{padding:140px 0 64px}
.hero h1{font-size:27px}
.hero-desc{font-size:15px}
.stat-num{font-size:24px}
.hero-stats{gap:26px}
.booking-left{padding:30px 24px;border-right:none;border-bottom:1px solid rgba(255,255,255,.06)}
.booking-right{padding:30px 24px}
.cta-inner h2{font-size:28px}
.section-pad{padding:60px 0}
.section-title{font-size:25px}
.footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
.hero-actions{flex-direction:column;width:100%}
.img-btn,.ghost-btn{width:100%}
.news-item{flex-direction:column;align-items:flex-start;gap:8px}
.news-item .news-date{margin-left:0}
.time-slot{flex-wrap:wrap;gap:6px}
.time-range{flex-basis:100%;text-align:left;padding-left:0}
.logo-text{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* roulang page: index */
/* ===== Design System ===== */
        :root {
            --bg-primary: #0b1120;
            --bg-secondary: #101a2e;
            --bg-card: rgba(255, 255, 255, 0.05);
            --border-glass: rgba(255, 255, 255, 0.10);
            --border-glass-hover: rgba(255, 255, 255, 0.2);
            --text-main: #e2e8f0;
            --text-sub: #94a3b8;
            --text-faint: #64748b;
            --primary: #3b82f6;
            --primary-glow: rgba(59, 130, 246, 0.45);
            --accent: #06b6d4;
            --accent-glow: rgba(6, 182, 212, 0.4);
            --amber: #f59e0b;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 28px rgba(59, 130, 246, 0.4);
            --spacer-section: 5rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== Glass Card ===== */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius);
            transition: all .3s ease;
        }

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

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            color: #fff;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 0 24px var(--primary-glow);
            transition: all .3s ease;
        }

        .btn-primary:hover {
            box-shadow: 0 0 38px var(--primary-glow);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px var(--primary-glow);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            border: 1px solid var(--border-glass-hover);
            color: var(--text-main);
            padding: 0.85rem 2rem;
            border-radius: 999px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all .3s ease;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(59, 130, 246, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        /* ===== Section ===== */
        .section-pad {
            padding: var(--spacer-section) 0;
        }

        .section-label {
            display: inline-block;
            padding: 0.35rem 1.2rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: #93c5fd;
            background: rgba(59, 130, 246, 0.12);
            border: 1px solid rgba(59, 130, 246, 0.25);
            text-transform: none;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin: 0.8rem 0 1rem;
        }

        .section-desc {
            color: var(--text-sub);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 720px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 17, 32, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }

        .brand {
            font-size: 1.2rem;
            font-weight: 700;
            white-space: nowrap;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1.3;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.35);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .search-center {
            flex: 1;
            max-width: 580px;
            margin: 0 auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 0.45rem 0.5rem 0.45rem 1.2rem;
            transition: all .3s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 0 20px rgba(59, 130, 246, 0.15);
            background: rgba(255, 255, 255, 0.1);
        }

        .search-box i {
            color: var(--text-sub);
            font-size: 0.9rem;
            margin-right: 0.6rem;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 0.95rem;
            padding: 0.3rem 0;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--text-faint);
        }

        .search-box button {
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            border: none;
            color: #fff;
            border-radius: 999px;
            padding: 0.4rem 1.4rem;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
            transition: all .3s ease;
        }

        .search-box button:hover {
            box-shadow: 0 0 22px var(--primary-glow);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-left: auto;
        }

        .nav-link {
            color: var(--text-sub);
            font-weight: 500;
            font-size: 1rem;
            padding: 0.4rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: all .25s ease;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link.active {
            color: #fff;
            border-bottom-color: var(--primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            color: #fff;
            padding: 0.5rem 1.4rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 0 14px rgba(59, 130, 246, 0.3);
            transition: all .3s ease;
        }

        .nav-cta:hover {
            color: #fff;
            box-shadow: 0 0 28px var(--primary-glow);
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all .25s ease;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.3);
        }

        /* ===== Mobile Nav ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            z-index: 99;
            background: rgba(11, 17, 32, 0.98);
            backdrop-filter: blur(24px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1rem 1.5rem 1.5rem;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu .search-box {
            margin-bottom: 1rem;
        }

        .mobile-menu a {
            display: block;
            padding: 0.7rem 0.5rem;
            color: var(--text-main);
            font-size: 1.05rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-menu a.active {
            color: #3b82f6;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 6rem 0 5rem;
            background-image: linear-gradient(rgba(11, 17, 32, 0.88), rgba(11, 17, 32, 0.94)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.25), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 3.5rem;
        }

        .hero-copy {
            flex: 1.2;
        }

        .hero-visual {
            flex: 1;
        }

        .hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.7rem);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin: 1.2rem 0 1.2rem;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, #60a5fa, #22d3ee);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            color: var(--text-sub);
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.2rem;
        }

        .hero-data {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
        }

        .data-item {
            text-align: center;
        }

        .data-item .num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .data-item .label {
            font-size: 0.85rem;
            color: var(--text-faint);
            margin-top: 0.2rem;
        }

        /* ===== Hero Time Panel ===== */
        .time-panel {
            padding: 1.6rem;
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
        }

        .time-panel-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.2rem;
        }

        .time-panel-head h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
        }

        .time-panel-head span {
            font-size: 0.8rem;
            color: var(--text-faint);
            background: rgba(255, 255, 255, 0.06);
            padding: 0.2rem 0.8rem;
            border-radius: 999px;
        }

        .time-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 1rem;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 0.6rem;
            transition: all .25s ease;
            cursor: pointer;
        }

        .time-slot:hover {
            border-color: rgba(59, 130, 246, 0.5);
            background: rgba(59, 130, 246, 0.08);
            transform: translateX(3px);
        }

        .time-slot.selected {
            border-color: var(--primary);
            background: rgba(59, 130, 246, 0.12);
            box-shadow: 0 0 16px rgba(59, 130, 246, 0.15);
        }

        .time-slot .info {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .time-slot .time {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
        }

        .time-slot .name {
            color: var(--text-sub);
            font-size: 0.85rem;
        }

        .time-slot .status {
            font-size: 0.75rem;
            font-weight: 500;
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
        }

        .status-open {
            color: #34d399;
            background: rgba(52, 211, 153, 0.12);
        }

        .status-few {
            color: #fbbf24;
            background: rgba(251, 191, 36, 0.12);
        }

        .status-full {
            color: #f87171;
            background: rgba(248, 113, 113, 0.12);
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            padding: 2rem 1.8rem;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .3s ease;
        }

        .feature-card:hover::after {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
            border: 1px solid rgba(59, 130, 246, 0.2);
            color: #60a5fa;
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
            color: #fff;
        }

        .feature-card p {
            color: var(--text-sub);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== Time Slot Cards ===== */
        .slot-card {
            padding: 2rem 1.8rem;
            height: 100%;
            text-align: center;
            position: relative;
        }

        .slot-card .time-range {
            display: inline-block;
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            background: rgba(59, 130, 246, 0.15);
            padding: 0.4rem 1.4rem;
            border-radius: 999px;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .slot-card .slot-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .slot-card .slot-desc {
            color: var(--text-sub);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .slot-card .slot-tag {
            margin-top: 1rem;
            font-size: 0.8rem;
            color: var(--text-faint);
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            padding: 0.3rem 1rem;
            border-radius: 999px;
        }

        /* ===== Collection Cards ===== */
        .collection-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            transition: all .3s ease;
            cursor: pointer;
        }

        .collection-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .collection-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 17, 32, 0.95) 10%, rgba(11, 17, 32, 0.45) 50%, rgba(11, 17, 32, 0.2));
            transition: all .3s ease;
        }

        .collection-card:hover .overlay {
            background: linear-gradient(to top, rgba(11, 17, 32, 0.98) 10%, rgba(11, 17, 32, 0.5) 50%, rgba(11, 17, 32, 0.25));
        }

        .collection-card .content {
            position: relative;
            z-index: 2;
            padding: 1.8rem;
            color: #fff;
            width: 100%;
        }

        .collection-card .count {
            display: inline-block;
            font-size: 0.8rem;
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            background: rgba(59, 130, 246, 0.3);
            color: #bfdbfe;
            margin-bottom: 0.6rem;
            border: 1px solid rgba(59, 130, 246, 0.3);
        }

        .collection-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }

        .collection-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin-bottom: 0.8rem;
        }

        .collection-card .enter {
            font-size: 0.9rem;
            font-weight: 500;
            color: #93c5fd;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .collection-card .enter i {
            font-size: 0.8rem;
            transition: transform .25s ease;
        }

        .collection-card:hover .enter i {
            transform: translateX(4px);
        }

        /* ===== News Section ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 2.5rem;
        }

        .news-item {
            display: flex;
            gap: 1.2rem;
            padding: 1.4rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all .25s ease;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 0.5rem;
        }

        .news-item .date {
            flex-shrink: 0;
            text-align: center;
            min-width: 55px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 0.5rem 0.3rem;
            align-self: flex-start;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .news-item .date .day {
            display: block;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.1;
        }

        .news-item .date .month {
            display: block;
            font-size: 0.75rem;
            color: var(--text-faint);
            margin-top: 0.1rem;
        }

        .news-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.35rem;
            line-height: 1.5;
        }

        .news-item h4 a:hover {
            color: #60a5fa;
        }

        .news-item p {
            color: var(--text-sub);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .news-sidebar .sidebar-card {
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
        }

        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .rec-tea-img {
            width: 100%;
            height: 120px;
            border-radius: 12px;
            object-fit: cover;
            margin-bottom: 0.8rem;
        }

        .rec-name {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
        }

        .rec-meta {
            font-size: 0.8rem;
            color: var(--text-faint);
            margin-top: 0.2rem;
        }

        .topic-tag {
            display: inline-block;
            font-size: 0.82rem;
            color: var(--text-sub);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0.3rem 0.9rem;
            border-radius: 999px;
            margin: 0.25rem;
            transition: all .25s ease;
            cursor: pointer;
        }

        .topic-tag:hover {
            background: rgba(59, 130, 246, 0.15);
            border-color: rgba(59, 130, 246, 0.4);
            color: #fff;
        }

        /* ===== Guide Steps ===== */
        .guide-step {
            text-align: center;
            padding: 2rem 1.5rem;
            position: relative;
            height: 100%;
        }

        .guide-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            box-shadow: 0 0 18px rgba(59, 130, 246, 0.35);
            margin: 0 auto 1.2rem;
        }

        .guide-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .guide-step p {
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .guide-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            color: var(--text-faint);
            font-size: 0.9rem;
            z-index: 2;
        }

        /* ===== Stats ===== */
        .stats-band {
            position: relative;
            padding: 3.5rem 0;
            background-image: linear-gradient(rgba(11, 17, 32, 0.92), rgba(11, 17, 32, 0.96)), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stats-grid .num {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            background: linear-gradient(135deg, #60a5fa, #22d3ee);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stats-grid .label {
            color: var(--text-sub);
            font-size: 0.95rem;
            margin-top: 0.4rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            margin-bottom: 1rem;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            overflow: hidden;
            transition: border-color .3s ease;
        }

        .faq-item:hover {
            border-color: rgba(59, 130, 246, 0.3);
        }

        .faq-item summary {
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-faint);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

        .faq-item .answer {
            padding: 0 1.5rem 1.3rem;
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ===== Booking Form ===== */
        .booking-section {
            position: relative;
        }

        .booking-card {
            padding: 2.8rem;
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
        }

        .booking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .form-group label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
        }

        .form-group label .req {
            color: #f87171;
        }

        .field-input {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            padding: 0.8rem 1rem;
            color: #fff;
            font-size: 0.95rem;
            transition: all .25s ease;
            width: 100%;
        }

        .field-input::placeholder {
            color: var(--text-faint);
        }

        .field-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 0 18px rgba(59, 130, 246, 0.1);
            background: rgba(255, 255, 255, 0.08);
        }

        .field-input option {
            background: #111c30;
            color: #e2e8f0;
        }

        .form-full {
            grid-column: 1 / -1;
        }

        .form-submit {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 0.5rem;
            flex-wrap: wrap;
        }

        .form-notice {
            grid-column: 1 / -1;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-faint);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070c16;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand .brand {
            margin-bottom: 0.8rem;
        }

        .footer-brand p {
            color: var(--text-sub);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
        }

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

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

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-sub);
            font-size: 0.9rem;
            transition: all .25s ease;
        }

        .footer-col ul li a:hover {
            color: #60a5fa;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 1.5rem;
            text-align: center;
            color: var(--text-faint);
            font-size: 0.85rem;
        }

        .footer-bottom a {
            color: var(--text-faint);
        }

        .footer-bottom a:hover {
            color: #60a5fa;
        }

        /* ===== Back to top ===== */
        .back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: 0 4px 18px rgba(59, 130, 246, 0.4);
            opacity: 0;
            visibility: hidden;
            transition: all .35s ease;
            border: none;
            z-index: 50;
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                gap: 2.5rem;
            }

            .hero-copy,
            .hero-visual {
                flex: none;
                width: 100%;
            }

            .hero-desc {
                max-width: 100%;
            }

            .news-layout {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacer-section: 3.5rem;
            }

            .header-inner {
                gap: 0.8rem;
            }

            .brand {
                font-size: 1rem;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .search-center {
                display: none;
            }

            .nav-links {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .hero {
                padding: 4rem 0;
            }

            .hero h1 {
                font-size: 1.6rem;
            }

            .hero-desc {
                font-size: 0.95rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .booking-grid {
                grid-template-columns: 1fr;
            }

            .form-full,
            .form-submit,
            .form-notice {
                grid-column: 1;
            }

            .booking-card {
                padding: 1.8rem;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .guide-arrow {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                justify-content: center;
                width: 100%;
            }

            .hero-data {
                gap: 1.2rem;
            }

            .data-item .num {
                font-size: 1.4rem;
            }

            .stats-grid .num {
                font-size: 1.8rem;
            }

            .time-panel {
                padding: 1.2rem;
            }

            .collection-card {
                min-height: 220px;
            }

            .news-item {
                flex-direction: row;
            }
        }