:root {
    --bg: #090613;
    --panel: #151022;
    --panel-soft: #20152f;
    --text: #fff7ff;
    --muted: #c8b7d7;
    --line: rgba(255,255,255,.12);
    --pink: #ff2d87;
    --orange: #ff8a1d;
    --purple: #7c3cff;
    --cyan: #7df5ff;
    --radius: 24px;
    --shadow: 0 20px 60px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background:
        radial-gradient(circle at 10% 10%, rgba(124,60,255,.28), transparent 32%),
        radial-gradient(circle at 85% 15%, rgba(255,45,135,.24), transparent 28%),
        radial-gradient(circle at 65% 85%, rgba(255,138,29,.18), transparent 30%),
        var(--bg);
    line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px clamp(16px, 4vw, 56px);
    background: rgba(9,6,19,.82);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: .04em; }
.brand-mark {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--pink), var(--orange));
    box-shadow: 0 0 28px rgba(255,45,135,.35);
}
.brand-text { font-size: 20px; }
.main-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nav-link { padding: 8px 12px; border-radius: 999px; color: var(--muted); transition: .2s ease; }
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,.1); }
.nav-toggle { display: none; border: 0; color: #fff; background: rgba(255,255,255,.1); border-radius: 14px; padding: 8px 12px; }
main { overflow: hidden; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.hero {
    width: min(1220px, calc(100% - 32px));
    margin: 26px auto 0;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 34px;
    align-items: center;
    min-height: 650px;
    padding: clamp(26px, 5vw, 58px);
    border: 1px solid var(--line);
    border-radius: 34px;
    background:
        linear-gradient(135deg, rgba(255,45,135,.14), rgba(124,60,255,.14)),
        rgba(255,255,255,.04);
    box-shadow: var(--shadow);
    position: relative;
}
.hero:before {
    content: "";
    position: absolute;
    inset: 18px;
    border-radius: 28px;
    border: 1px solid rgba(255,255,255,.08);
    pointer-events: none;
}
.eyebrow { color: var(--cyan); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hero h1, .page-hero h1 { font-size: clamp(38px, 7vw, 76px); line-height: 1.05; margin: 12px 0 18px; letter-spacing: -.04em; }
.gradient-text { background: linear-gradient(90deg, #fff, #ff9ad1 42%, #ffb45a); -webkit-background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: clamp(17px, 2vw, 22px); max-width: 720px; }
.hero-actions, .section-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.08);
    color: #fff;
    font-weight: 800;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); background: rgba(255,255,255,.13); }
.btn.primary { background: linear-gradient(135deg, var(--pink), var(--orange)); border: 0; box-shadow: 0 12px 34px rgba(255,45,135,.28); }
.btn.ghost { background: rgba(255,255,255,.06); }
.hero-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
.point-card { padding: 14px; border-radius: 18px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.point-card strong { display: block; font-size: 20px; }
.point-card span { display: block; color: var(--muted); font-size: 13px; }
.phone-stage { position: relative; min-height: 560px; display: grid; place-items: center; }
.neon-orbit { position: absolute; width: 92%; aspect-ratio: 1; border-radius: 50%; border: 1px solid rgba(255,255,255,.14); box-shadow: inset 0 0 60px rgba(255,45,135,.15), 0 0 80px rgba(124,60,255,.2); animation: floaty 7s ease-in-out infinite; }
.phone-img { width: min(360px, 72vw); filter: drop-shadow(0 34px 55px rgba(0,0,0,.58)); position: relative; z-index: 2; }
.floating-tag { position: absolute; z-index: 3; padding: 9px 13px; border-radius: 999px; border: 1px solid var(--line); background: rgba(18,12,31,.75); backdrop-filter: blur(12px); color: #fff; font-weight: 800; box-shadow: var(--shadow); }
.floating-tag.hot { top: 18%; right: 8%; }
.floating-tag.new { bottom: 18%; left: 4%; }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-18px) rotate(4deg); } }
section { padding: 70px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-title { margin: 0; font-size: clamp(28px, 4vw, 46px); line-height: 1.12; }
.section-desc { color: var(--muted); margin: 8px 0 0; max-width: 650px; }
.grid { display: grid; gap: 18px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
    border: 1px solid var(--line);
    box-shadow: 0 10px 34px rgba(0,0,0,.18);
}
.card-inner { padding: 22px; }
.video-card { min-height: 100%; transition: transform .22s ease, border-color .22s ease; }
.video-card:hover { transform: translateY(-6px); border-color: rgba(255,45,135,.55); }
.cover { aspect-ratio: 9 / 16; width: 100%; object-fit: cover; background: var(--panel); }
.landscape-cover { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; background: var(--panel); }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 8px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 999px; background: rgba(255,255,255,.09); color: #ffe8f7; font-size: 13px; }
.badge.hot { background: rgba(255,45,135,.18); color: #fff; }
.badge.orange { background: rgba(255,138,29,.2); color: #fff0df; }
.card h3 { margin: 0 0 8px; font-size: 21px; }
.card p { color: var(--muted); margin: 0; }
.play-float {
    position: absolute;
    top: 46%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 62px;
    height: 62px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255,255,255,.9);
    color: var(--pink);
    font-size: 28px;
    box-shadow: 0 0 28px rgba(255,45,135,.4);
}
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
.day { padding: 16px 10px; min-height: 120px; border-radius: 20px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.day strong { display: block; color: #fff; }
.day span { display: inline-block; margin-top: 10px; color: var(--muted); font-size: 13px; }
.day.active { background: linear-gradient(145deg, rgba(255,45,135,.28), rgba(124,60,255,.18)); border-color: rgba(255,45,135,.55); }
.category-card { padding: 24px; min-height: 190px; }
.category-card .icon { width: 50px; height: 50px; border-radius: 18px; display: grid; place-items: center; background: linear-gradient(135deg, var(--purple), var(--pink)); margin-bottom: 18px; font-size: 22px; }
.preview-row { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; align-items: stretch; }
.preview-panel { padding: 28px; border-radius: 28px; background: rgba(255,255,255,.06); border: 1px solid var(--line); }
.barrage-list { display: grid; gap: 12px; margin-top: 18px; }
.barrage { padding: 12px 14px; border-radius: 16px; background: rgba(255,255,255,.08); color: #fff; }
.rank-list { display: grid; gap: 12px; }
.rank-item { display: grid; grid-template-columns: 52px 1fr auto; gap: 14px; align-items: center; padding: 15px; border-radius: 18px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.rank-num { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, var(--pink), var(--orange)); font-weight: 900; }
.rank-item p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.rank-score { font-weight: 900; color: #ffd29e; }
.creator-box { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: center; padding: 30px; border-radius: 30px; background: linear-gradient(135deg, rgba(124,60,255,.22), rgba(255,45,135,.14)); border: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { padding: 22px; border-radius: 22px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.stat strong { display: block; font-size: 30px; }
.stat span { color: var(--muted); font-size: 14px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.06); overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 18px 20px; font-weight: 900; }
.faq-item p { margin: 0; padding: 0 20px 20px; color: var(--muted); }
.page-hero { width: min(1160px, calc(100% - 32px)); margin: 26px auto 0; padding: clamp(28px, 5vw, 58px); border-radius: 34px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(124,60,255,.22), rgba(255,45,135,.11)); box-shadow: var(--shadow); }
.page-hero h1 { max-width: 920px; }
.two-col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 26px; align-items: center; }
.feature-list { display: grid; gap: 14px; }
.feature { padding: 20px; border-radius: 22px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.feature strong { display: block; margin-bottom: 6px; }
.timeline { display: grid; gap: 16px; position: relative; }
.timeline-item { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.timeline-time { color: var(--cyan); font-weight: 900; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.filter-btn { border: 1px solid var(--line); background: rgba(255,255,255,.07); color: #fff; border-radius: 999px; padding: 9px 13px; cursor: pointer; }
.filter-btn.active { background: linear-gradient(135deg, var(--pink), var(--orange)); border-color: transparent; }
.form-card { padding: 26px; border-radius: 28px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.form-grid { display: grid; gap: 14px; }
.field label { display: block; margin-bottom: 6px; color: #fff; font-weight: 800; }
.field input, .field textarea, .field select { width: 100%; border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; background: rgba(0,0,0,.22); color: #fff; outline: none; }
.field textarea { min-height: 130px; resize: vertical; }
.notice { padding: 14px 16px; border-radius: 18px; border: 1px solid rgba(125,245,255,.28); background: rgba(125,245,255,.08); color: #d9fbff; }
.site-footer { margin-top: 50px; padding: 44px clamp(16px, 4vw, 56px) 22px; background: rgba(0,0,0,.28); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1.2fr; gap: 22px; width: min(1160px, 100%); margin: 0 auto; }
.footer-grid p { color: var(--muted); margin: 8px 0 0; }
.footer-bottom { width: min(1160px, 100%); margin: 26px auto 0; padding-top: 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 12px; color: var(--muted); flex-wrap: wrap; }
.hidden { display: none !important; }
@media (max-width: 980px) {
    .hero, .preview-row, .creator-box, .two-col { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .grid.three, .grid.four { grid-template-columns: repeat(2, 1fr); }
    .calendar { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .nav-toggle { display: inline-flex; }
    .main-nav { display: none; position: absolute; top: 68px; left: 16px; right: 16px; padding: 14px; border-radius: 22px; background: rgba(15,10,28,.96); border: 1px solid var(--line); box-shadow: var(--shadow); }
    .main-nav.open { display: grid; grid-template-columns: repeat(2, 1fr); }
    .hero, .page-hero { border-radius: 24px; padding: 24px; }
    .hero-points, .grid.three, .grid.four, .calendar, .stats-grid { grid-template-columns: 1fr; }
    .section-head { display: block; }
    .phone-stage { min-height: 430px; }
    .rank-item { grid-template-columns: 44px 1fr; }
    .rank-score { grid-column: 2; }
    .timeline-item { grid-template-columns: 1fr; }
}