/* 鼎禾影视 - 毛玻璃拟态 · 天空浅蓝 */
:root {
    --bg: #EBF8FF;
    --bg-deep: #D6EEFF;
    --card-bg: rgba(255,255,255,0.55);
    --card-border: rgba(255,255,255,0.6);
    --accent: #3182CE;
    --accent-light: #63B3ED;
    --accent-dark: #2563A0;
    --gold: #F6AD55;
    --text: #1A365D;
    --text-muted: #4A6FA5;
    --text-dim: #8CA8CC;
    --glass-blur: 18px;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(49,130,206,0.12);
    --shadow-sm: 0 2px 12px rgba(49,130,206,0.08);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* 毛玻璃背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: -120px;
    right: -120px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,179,237,0.25) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}
body::after {
    content: '';
    position: fixed;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(246,173,85,0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

/* ===== Header ===== */
#header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}
.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 64px;
}
.logo { text-decoration:none; display:flex; align-items:center; gap:8px; }
.logo img { height:36px; }
.logo-text {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav { display:flex; gap:6px; }
.nav-link {
    text-decoration:none;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 15px;
    transition: all .25s;
}
.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: rgba(49,130,206,0.08);
}
.header-actions { display:flex; gap:10px; align-items:center; }

/* ===== Buttons ===== */
.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-decoration:none;
    cursor:pointer;
    border:none;
    transition: all .25s;
}
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    box-shadow: 0 4px 14px rgba(49,130,206,0.3);
}
.btn-primary:hover { transform:translateY(-1px); box-shadow: 0 6px 20px rgba(49,130,206,0.4); }
.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color:#fff; }
.btn-ghost { background:transparent; color:var(--text-dim); font-size:13px; padding:6px 12px; }
.btn-ghost:hover { color:var(--accent); }
.btn-gold {
    background: linear-gradient(135deg, var(--gold), #FBD38D);
    color: #7B4A1A;
    box-shadow: 0 4px 14px rgba(246,173,85,0.3);
}
.btn-gold:hover { transform:translateY(-1px); }
.btn-sm { padding:6px 14px; font-size:13px; }

/* ===== Glass Card ===== */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    transition: transform .3s, box-shadow .3s;
}
.glass-card:hover { transform:translateY(-4px); box-shadow: 0 12px 40px rgba(49,130,206,0.18); }

/* ===== Footer ===== */
#footer {
    background: rgba(255,255,255,0.5);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-top: 1px solid var(--card-border);
    margin-top: 60px;
    padding: 40px 24px 20px;
}
.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 32px;
}
.footer-company p, .footer-report p, .footer-agreements p { margin-bottom:6px; font-size:14px; color:var(--text-muted); }
.footer-label { font-weight:700; color:var(--text) !important; margin-bottom:10px !important; }
.footer-report a, .footer-agreements a {
    display:block;
    color: var(--accent);
    text-decoration:none;
    font-size:13px;
    padding:3px 0;
    transition: color .2s;
}
.footer-report a:hover, .footer-agreements a:hover { color: var(--accent-dark); text-decoration:underline; }
.footer-icp {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--card-border);
    margin-top: 12px;
}
.footer-icp a { color:var(--text-dim); text-decoration:none; font-size:13px; }
.footer-icp a:hover { color:var(--accent); }

/* ===== Hero Banner ===== */
.hero {
    position: relative;
    min-height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #EBF8FF 0%, #BEE3F8 50%, #90CDF4 100%);
    overflow: hidden;
}
.hero::before {
    content:'';
    position:absolute;
    width:600px; height:600px;
    background: radial-gradient(circle, rgba(49,130,206,0.12) 0%, transparent 60%);
    top:-200px; left:-100px;
    border-radius:50%;
}
.hero::after {
    content:'';
    position:absolute;
    width:400px; height:400px;
    background: radial-gradient(circle, rgba(246,173,85,0.1) 0%, transparent 60%);
    bottom:-150px; right:-50px;
    border-radius:50%;
}
.hero-content { position:relative; z-index:1; padding:60px 24px; }
.hero h1 {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-dark), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}
.hero p { font-size:18px; color:var(--text-muted); margin-bottom:28px; }
.hero-actions { display:flex; gap:14px; justify-content:center; }

/* ===== Section ===== */
.section { max-width:1280px; margin:0 auto; padding:40px 24px; }
.section-title {
    font-size:24px; font-weight:800; margin-bottom:24px;
    display:flex; align-items:center; gap:10px;
}
.section-title::before {
    content:'';
    width:4px; height:24px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-light));
    border-radius:2px;
}

/* ===== Grid ===== */
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }

/* ===== Live Card ===== */
.live-card { cursor:pointer; overflow:hidden; position:relative; }
.live-card .cover {
    width:100%; height:200px; object-fit:cover; border-radius:var(--radius-sm);
    background: var(--bg-deep);
}
.live-card .live-badge {
    position:absolute; top:12px; left:12px;
    background: #E53E3E; color:#fff;
    padding:3px 10px; border-radius:20px;
    font-size:12px; font-weight:700;
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.6;} }
.live-card .info { padding:14px 0 0; }
.live-card .room-name { font-size:16px; font-weight:700; }
.live-card .host-name { font-size:13px; color:var(--text-dim); margin-top:4px; }

/* ===== Live Detail ===== */
.live-detail-container { display:grid; grid-template-columns:1fr 320px; gap:24px; max-width:1280px; margin:0 auto; padding:32px 24px; }
.video-wrapper {
    background:#000; border-radius:var(--radius); overflow:hidden;
    aspect-ratio:16/9;
}
.video-wrapper video { width:100%; height:100%; object-fit:cover; }
.gift-bar { display:flex; gap:10px; flex-wrap:wrap; margin-top:16px; }
.gift-btn {
    display:flex; flex-direction:column; align-items:center; gap:4px;
    padding:10px 14px; border-radius:var(--radius-sm);
    background: var(--card-bg); border:1px solid var(--card-border);
    cursor:pointer; transition:all .2s; font-size:12px;
    backdrop-filter: blur(10px);
}
.gift-btn:hover { border-color:var(--accent); transform:scale(1.05); }
.gift-btn .emoji { font-size:28px; }
.gift-btn .price { color:var(--gold); font-weight:700; }

/* ===== Sidebar ===== */
.sidebar {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    border:1px solid var(--card-border);
    border-radius:var(--radius);
    padding:20px;
    max-height: 600px;
    overflow-y:auto;
}
.sidebar h3 { font-size:15px; margin-bottom:12px; color:var(--accent); }
.reward-item {
    display:flex; align-items:center; gap:8px;
    padding:8px 0; border-bottom:1px solid rgba(0,0,0,0.05);
    font-size:13px;
}
.reward-item:last-child { border-bottom:none; }
.reward-item .user { font-weight:600; }
.reward-item .gift-info { color:var(--text-dim); }

/* ===== Recharge Page ===== */
.recharge-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:16px; }
.recharge-item {
    text-align:center;
    padding:24px 16px;
}
.recharge-item .gift-emoji { font-size:48px; }
.recharge-item .gift-name { font-size:16px; font-weight:700; margin:8px 0 4px; }
.recharge-item .gift-price { color:var(--gold); font-size:14px; font-weight:600; }

/* ===== Auth Pages ===== */
.auth-page {
    min-height: calc(100vh - 64px - 200px);
    display:flex; align-items:center; justify-content:center;
    padding:40px 24px;
}
.auth-card {
    width:100%; max-width:420px;
    padding:40px 36px;
}
.auth-card h2 { font-size:24px; font-weight:800; text-align:center; margin-bottom:28px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:13px; font-weight:600; color:var(--text-muted); margin-bottom:6px; }
.form-group input {
    width:100%; padding:12px 16px; border:1.5px solid var(--card-border);
    border-radius:var(--radius-sm); font-size:14px;
    background:rgba(255,255,255,0.6);
    transition: border-color .2s;
}
.form-group input:focus { outline:none; border-color:var(--accent); }
.form-check { display:flex; align-items:center; gap:8px; font-size:13px; margin-bottom:18px; }
.form-check input { width:auto; }
.form-check a { color:var(--accent); text-decoration:none; }
.auth-link { text-align:center; font-size:13px; margin-top:16px; }
.auth-link a { color:var(--accent); text-decoration:none; font-weight:600; }

/* ===== Agreement Page ===== */
.agreement-content {
    max-width:860px; margin:0 auto; padding:40px 24px;
}
.agreement-content h1 { font-size:28px; font-weight:800; margin-bottom:24px; }
.agreement-content h3 { font-size:18px; font-weight:700; margin:24px 0 12px; color:var(--accent-dark); }
.agreement-content p { margin-bottom:10px; color:var(--text-muted); }

/* ===== Quick Entry ===== */
.quick-entry {
    display:flex; gap:20px; justify-content:center; flex-wrap:wrap;
}
.quick-item {
    display:flex; flex-direction:column; align-items:center; gap:10px;
    padding:28px 36px;
    cursor:pointer; text-decoration:none; color:var(--text);
}
.quick-item .icon { font-size:36px; }
.quick-item .label { font-weight:600; font-size:15px; }

/* ===== Admin ===== */
.admin-layout { display:flex; min-height:100vh; }
.admin-sidebar {
    width:220px; background:rgba(255,255,255,0.7);
    backdrop-filter:blur(var(--glass-blur));
    border-right:1px solid var(--card-border);
    padding:24px 0;
}
.admin-sidebar .logo { padding:0 20px 24px; font-size:18px; font-weight:800; }
.admin-nav a {
    display:block; padding:10px 20px; text-decoration:none;
    color:var(--text-muted); font-size:14px; transition:all .2s;
}
.admin-nav a:hover, .admin-nav a.active { color:var(--accent); background:rgba(49,130,206,0.08); }
.admin-main { flex:1; padding:24px; overflow-y:auto; }
.admin-main h2 { font-size:22px; font-weight:800; margin-bottom:20px; }
.admin-section { margin-bottom:32px; }
.admin-section h3 { font-size:16px; font-weight:700; margin-bottom:12px; color:var(--accent); }
.admin-form-row { display:flex; gap:12px; margin-bottom:10px; align-items:center; flex-wrap:wrap; }
.admin-form-row label { min-width:80px; font-size:13px; font-weight:600; color:var(--text-muted); }
.admin-form-row input, .admin-form-row textarea {
    flex:1; padding:8px 12px; border:1.5px solid var(--card-border);
    border-radius:var(--radius-sm); font-size:14px;
    background:rgba(255,255,255,0.6);
}
.admin-form-row input:focus, .admin-form-row textarea:focus { outline:none; border-color:var(--accent); }
.admin-card {
    background: var(--card-bg);
    backdrop-filter:blur(var(--glass-blur));
    border:1px solid var(--card-border);
    border-radius:var(--radius);
    padding:20px;
    margin-bottom:16px;
}
.upload-btn {
    display:inline-block; padding:6px 16px; border-radius:var(--radius-sm);
    background:var(--accent); color:#fff; font-size:13px;
    cursor:pointer; position:relative; overflow:hidden;
}
.upload-btn input[type=file] { position:absolute; inset:0; opacity:0; cursor:pointer; }
.preview-img { max-width:120px; max-height:80px; margin-top:8px; border-radius:8px; object-fit:cover; }

/* ===== Responsive ===== */
@media (max-width:768px) {
    .grid-3, .grid-4 { grid-template-columns:1fr; }
    .footer-inner { grid-template-columns:1fr; }
    .live-detail-container { grid-template-columns:1fr; }
    .hero h1 { font-size:32px; }
    .header-inner { flex-wrap:wrap; height:auto; padding:12px; }
    .nav { order:3; width:100%; justify-content:center; margin-top:8px; }
    .admin-layout { flex-direction:column; }
    .admin-sidebar { width:100%; }
}