:root {
  --c-primary: #1f3a5f;
  --c-primary-2: #2b5278;
  --c-accent: #c8a24c;
  --c-accent-soft: #f3ecd8;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --ink: #1f2933;
  --ink-2: #51607a;
  --ink-3: #8a96a8;
  --line: #e4e9f0;
  --line-2: #eef2f7;
  --ok: #2e8b6f;
  --danger: #c0573f;
  --radius: 14px;
  --shadow: 0 6px 22px rgba(31, 58, 95, 0.08);
  --shadow-2: 0 2px 10px rgba(31, 58, 95, 0.06);
  --maxw: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
  box-shadow: var(--shadow-2);
}
.header-inner {
  display: flex; align-items: center; gap: 18px;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { width: 40px; height: 40px; flex: none; }
.brand .brand-name { font-weight: 700; font-size: 16px; color: var(--c-primary); letter-spacing: .3px; }
.brand .brand-sub { font-size: 12px; color: var(--ink-3); margin-top: 1px; }

.main-nav { display: flex; flex-wrap: wrap; gap: 0 6px; margin-left: 22px; row-gap: 2px; }
.main-nav a {
  padding: 22px 13px; color: var(--ink-2); font-size: 14.5px; font-weight: 500;
  position: relative; transition: .15s; white-space: nowrap;
}
.main-nav a:hover { color: var(--c-primary); }
.main-nav a.active { color: var(--c-primary); font-weight: 700; }
.main-nav a.active::after {
  content: ''; position: absolute; left: 13px; right: 13px; bottom: 14px;
  height: 3px; border-radius: 2px; background: var(--c-primary);
}

.header-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.company-tag {
  text-align: right; font-size: 13px; color: var(--ink-2); line-height: 1.35;
  border-right: 1px solid var(--line); padding-right: 14px;
}
.company-tag b { color: var(--c-primary); font-weight: 700; font-size: 14px; display: block; }
.company-tag span { color: var(--ink-3); font-size: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; border-radius: 10px; font-size: 14px; font-weight: 600;
  border: 1px solid transparent; transition: .15s; white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-2); }
.btn-ghost { background: #fff; color: var(--c-primary); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--c-primary); }
.btn-accent { background: var(--c-accent); color: #3a2e0a; }
.btn-accent:hover { filter: brightness(1.05); }
.btn-block { width: 100%; }
.btn-lg { padding: 13px 26px; font-size: 15.5px; }

.user-chip { display: flex; align-items: center; gap: 10px; }
.habi-chip {
  display: inline-flex; align-items: center; gap: 5px; padding: 7px 13px; border-radius: 20px;
  background: #f7efd9; color: #8a6d1f; font-size: 13.5px; white-space: nowrap;
}
.habi-chip:hover { filter: brightness(.97); }
.habi-chip svg { color: #c8a24c; }
.violation-bar {
  background: #fdecea; color: #96271b; font-size: 13.5px; padding: 9px 0;
  border-bottom: 1px solid #f5c6c0;
}
.violation-bar a { text-decoration: underline; font-size: 12.5px; }

/* 直播间礼物面板 */
.player-layout { display: grid; grid-template-columns: 1fr 330px; gap: 22px; align-items: start; }
.gift-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.gift-panel h4 { font-size: 15px; margin-bottom: 4px; }
.gift-panel .gp-sub { font-size: 12.5px; color: var(--ink-3); margin-bottom: 12px; }
.gift-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.gift-item {
  border: 1.5px solid var(--line); border-radius: 10px; padding: 10px 4px 8px; text-align: center;
  cursor: pointer; transition: .12s; background: #fbfcfe;
}
.gift-item:hover { border-color: var(--c-primary); }
.gift-item.sel { border-color: var(--c-primary); background: #eef4fb; box-shadow: 0 0 0 2px rgba(31,90,168,.12); }
.gift-item .gi-ic { width: 34px; height: 34px; margin: 0 auto 5px; display: grid; place-items: center; }
.gift-item .gi-n { font-size: 12.5px; font-weight: 600; color: var(--ink-1); }
.gift-item .gi-p { font-size: 12px; color: #8a6d1f; }
.gift-count-row { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.gift-count-row input { width: 90px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.gift-send-row { display: flex; gap: 10px; margin-top: 12px; align-items: center; }
.tip-float {
  position: fixed; left: 50%; top: 120px; transform: translateX(-50%); z-index: 300;
  background: linear-gradient(135deg, #1f5fa8, #16283e); color: #fff; padding: 14px 26px;
  border-radius: 40px; font-size: 15px; font-weight: 600; box-shadow: 0 10px 30px rgba(22,40,62,.35);
  display: flex; align-items: center; gap: 10px; animation: tipUp 2.2s ease forwards;
}
@keyframes tipUp {
  0% { opacity: 0; transform: translate(-50%, 24px) scale(.9); }
  12% { opacity: 1; transform: translate(-50%, 0) scale(1); }
  80% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -26px); }
}
.recent-tips { margin-top: 16px; border-top: 1px dashed var(--line); padding-top: 12px; }
.recent-tips .rt-item { font-size: 12.5px; color: var(--ink-2); padding: 4px 0; }
.recent-tips .rt-item b { color: #8a6d1f; }

/* 表演人员卡片 */
.perf-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; gap: 14px; align-items: center; }
.perf-card .pf-av {
  width: 52px; height: 52px; border-radius: 50%; background: linear-gradient(135deg, #1f5fa8, #3a78c9);
  color: #fff; display: grid; place-items: center; font-size: 20px; font-weight: 700; flex: none;
}
.perf-card h4 { font-size: 15px; margin: 0 0 4px; }
.perf-card p { font-size: 12.5px; color: var(--ink-3); margin: 0; line-height: 1.5; }

/* 充值套餐 */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan-card {
  position: relative; background: #fff; border: 1.5px solid var(--line); border-radius: 14px;
  padding: 22px 18px; text-align: center; cursor: pointer; transition: .15s;
}
.plan-card:hover { border-color: var(--c-primary); transform: translateY(-2px); }
.plan-card.sel { border-color: var(--c-primary); box-shadow: 0 0 0 2px rgba(31,90,168,.15); }
.plan-card .pc-cny { font-size: 26px; font-weight: 800; color: var(--c-primary); }
.plan-card .pc-cny small { font-size: 14px; font-weight: 600; }
.plan-card .pc-habi { font-size: 14px; color: var(--ink-2); margin-top: 6px; }
.plan-card .pc-rate { font-size: 12px; color: var(--ink-3); margin-top: 4px; }
.plan-card .pc-tag {
  position: absolute; top: -10px; right: 12px; background: linear-gradient(135deg, #c8a24c, #b08a2e);
  color: #fff; font-size: 12px; padding: 3px 10px; border-radius: 20px;
}
.order-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.order-item .oi-id { font-size: 12.5px; color: var(--ink-3); }
.user-chip .uname { color: var(--c-primary); font-weight: 600; font-size: 14px; }
.user-chip .avatar {
  width: 32px; height: 32px; border-radius: 50%; background: var(--c-primary);
  color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 360px at 80% -40%, rgba(200,162,76,.18), transparent 60%),
    linear-gradient(135deg, #1f3a5f 0%, #2b5278 60%, #21486f 100%);
  color: #fff; padding: 56px 0 60px;
}
.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 34px; line-height: 1.25; margin: 0 0 16px; font-weight: 800; letter-spacing: .5px; }
.hero h1 .hl { color: var(--c-accent); }
.hero p.lead { font-size: 16px; color: #d7e2f0; max-width: 520px; margin: 0 0 24px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-accent { background: var(--c-accent); color: #3a2e0a; }
.hero .btn-ghost-l { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3); }
.hero .btn-ghost-l:hover { background: rgba(255,255,255,.2); }

.hero-stats { display: flex; gap: 26px; margin-top: 30px; }
.hero-stats .st b { font-size: 24px; color: #fff; display: block; }
.hero-stats .st span { font-size: 13px; color: #b9c8db; }

.hero-card {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius); padding: 22px; backdrop-filter: blur(4px);
}
.hero-card h3 { margin: 0 0 14px; font-size: 15px; color: var(--c-accent); letter-spacing: .5px; }
.hero-card ul { margin: 0; padding: 0; list-style: none; }
.hero-card li { display: flex; gap: 10px; padding: 9px 0; border-bottom: 1px dashed rgba(255,255,255,.14); font-size: 14px; color: #e3ecf6; }
.hero-card li:last-child { border-bottom: 0; }
.hero-card li svg { flex: none; margin-top: 2px; }

/* ---------- Sections ---------- */
.section { padding: 52px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 26px; gap: 16px; }
.section-head h2 { font-size: 24px; margin: 0; color: var(--c-primary); font-weight: 800; letter-spacing: .4px; }
.section-head .sub { color: var(--ink-3); font-size: 14px; margin-top: 4px; }
.section-head a.more { color: var(--c-primary-2); font-size: 14px; font-weight: 600; white-space: nowrap; }
.section-head a.more:hover { text-decoration: underline; }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-2); transition: .18s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.card .cover { position: relative; aspect-ratio: 16/10; background: #dfe6ef; overflow: hidden; }
.card .cover img, .card .cover svg { width: 100%; height: 100%; object-fit: cover; }
.card .cover .play-badge {
  position: absolute; top:0; right:0; bottom:0; left:0; display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.35));
}
.card .cover .play-badge .pbtn {
  width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,.92);
  display: grid; place-items: center; box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.card .cover .tag {
  position: absolute; top: 10px; left: 10px; background: rgba(31,58,95,.85); color: #fff;
  font-size: 12px; padding: 3px 10px; border-radius: 20px; font-weight: 600;
}
.card .cover .dur { position: absolute; bottom: 10px; right: 10px; background: rgba(0,0,0,.6); color:#fff; font-size: 12px; padding: 2px 8px; border-radius: 6px; }
/* 直播卡片：序号角标 + 底部分类/日期 */
.live-card .rank-badge {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  width: 26px; height: 26px; border-radius: 6px;
  background: #d64541; color: #fff; font-size: 14px; font-weight: 700;
  display: grid; place-items: center; box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.live-card .meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 2px; }
.live-card .cat-pill {
  background: #eaf2fb; color: #2b6cb0; font-size: 12px; font-weight: 600;
  padding: 3px 12px; border-radius: 6px;
}
.live-card .connect-pill {
  background: #e5f5ea; color: #1e7e46; font-size: 12px; font-weight: 600;
  padding: 3px 12px; border-radius: 6px;
}
.live-card .m-date { color: var(--ink-3); font-size: 12.5px; }
.card .body { padding: 16px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card .body h3 { margin: 0; font-size: 16px; color: var(--ink); font-weight: 700; }
.card .body .desc { color: var(--ink-2); font-size: 13.5px; margin: 0; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card .meta { display: flex; align-items: center; gap: 10px; color: var(--ink-3); font-size: 12.5px; }
.card .meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--ink-3); }

/* novel card accent */
.novel-cover { aspect-ratio: 3/4 !important; }

/* ---------- Page header band ---------- */
.page-band {
  background: linear-gradient(135deg, #1f3a5f, #2b5278);
  color: #fff; padding: 38px 0;
}
.page-band h1 { margin: 0 0 6px; font-size: 27px; font-weight: 800; }
.page-band p { margin: 0; color: #cdd9e8; font-size: 14.5px; }

/* ---------- Breadcrumb ---------- */
.crumb { font-size: 13px; color: var(--ink-3); margin: 18px 0 0; }
.crumb a:hover { color: var(--c-primary); }

/* ---------- Player ---------- */
.player-wrap { display: grid; grid-template-columns: 1.7fr 1fr; gap: 26px; align-items: start; }
.video-box { background: #000; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.video-box video { width: 100%; display: block; background: #000; aspect-ratio: 16/9; object-fit: contain; }
.player-info { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-2); }
.player-info h1 { font-size: 21px; margin: 0 0 10px; color: var(--c-primary); }
.player-info .stats { display: flex; gap: 16px; color: var(--ink-3); font-size: 13px; margin-bottom: 14px; flex-wrap: wrap; }
.player-info .desc { color: var(--ink-2); font-size: 14.5px; }

.side-panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-2); }
.side-panel h3 { margin: 0 0 14px; font-size: 15px; color: var(--c-primary); }
.mini-list { display: flex; flex-direction: column; gap: 12px; }
.mini-item { display: flex; gap: 12px; cursor: pointer; padding: 6px; border-radius: 10px; transition: .15s; }
.mini-item:hover { background: var(--line-2); }
.mini-item .thumb { width: 96px; height: 60px; border-radius: 8px; overflow: hidden; flex: none; background: #dfe6ef; }
.mini-item .thumb svg, .mini-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.mini-item .t { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.mini-item .m { font-size: 12px; color: var(--ink-3); margin-top: 3px; }

/* ---------- Auth ---------- */
.auth-wrap { max-width: 440px; margin: 46px auto 60px; }
.auth-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px; box-shadow: var(--shadow); }
.auth-card h2 { margin: 0 0 4px; font-size: 22px; color: var(--c-primary); }
.auth-card .tip { color: var(--ink-3); font-size: 13.5px; margin: 0 0 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; color: var(--ink-2); margin-bottom: 7px; font-weight: 600; }
.field input[type=text], .field input[type=password] {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14.5px; color: var(--ink); background: #fbfcfe; transition: .15s;
}
.field input:focus { outline: none; border-color: var(--c-primary); background: #fff; box-shadow: 0 0 0 3px rgba(31,58,95,.08); }
.agree-box { background: var(--line-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 18px; }
.agree-line { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--ink-2); margin: 6px 0; }
.agree-line input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--c-primary); flex: none; }
.agree-line a { color: var(--c-primary-2); font-weight: 600; }
.agree-line a:hover { text-decoration: underline; }
.auth-alt { text-align: center; margin-top: 18px; font-size: 13.5px; color: var(--ink-3); }
.auth-alt a { color: var(--c-primary); font-weight: 600; }
.form-msg { font-size: 13.5px; margin: 0 0 14px; padding: 10px 12px; border-radius: 9px; display: none; }
.form-msg.err { display: block; background: #fbeee9; color: var(--danger); border: 1px solid #f0d4c8; }
.form-msg.ok { display: block; background: #e7f3ee; color: var(--ok); border: 1px solid #cfe6dc; }

/* ---------- Content (novel / about / legal) ---------- */
.prose { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 34px; box-shadow: var(--shadow-2); }
.prose h1 { font-size: 25px; color: var(--c-primary); margin: 0 0 6px; }
.prose h2 { font-size: 19px; color: var(--c-primary); margin: 30px 0 10px; border-left: 4px solid var(--c-accent); padding-left: 12px; }
.prose h3 { font-size: 16px; color: var(--ink); margin: 22px 0 8px; }
.prose p, .prose li { color: var(--ink-2); font-size: 15px; }
.prose p { margin: 10px 0; }
.prose ul { padding-left: 22px; }
.prose .updated { color: var(--ink-3); font-size: 13px; }

.novel-reader .chapter { margin-bottom: 26px; }
.novel-reader .chapter h3 { color: var(--c-primary); font-size: 18px; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.novel-reader p { text-indent: 2em; }
.toc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-2); }
.toc h3 { margin: 0 0 12px; font-size: 15px; color: var(--c-primary); }
.toc a { display: block; padding: 8px 10px; border-radius: 8px; color: var(--ink-2); font-size: 14px; }
.toc a:hover { background: var(--line-2); color: var(--c-primary); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 26px; align-items: start; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line-2); font-size: 14px; }
.info-table th { color: var(--ink-3); font-weight: 600; width: 110px; }
.info-table td { color: var(--ink); }
.info-card { background: linear-gradient(135deg, #1f3a5f, #2b5278); color: #fff; border-radius: var(--radius); padding: 24px; }
.info-card h3 { margin: 0 0 12px; color: var(--c-accent); font-size: 16px; }
.info-card p { color: #d7e2f0; font-size: 14px; margin: 0 0 8px; }

/* ---------- Footer ---------- */
.site-footer { background: #152639; color: #aebbcc; margin-top: 30px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; padding: 42px 0 30px; }
.footer-top .f-brand .logo { width: 40px; height: 40px; margin-bottom: 12px; }
.footer-top .f-brand h4 { color: #fff; margin: 0 0 8px; font-size: 16px; }
.footer-top .f-brand p { font-size: 13.5px; margin: 0; max-width: 320px; }
.footer-top h5 { color: #fff; font-size: 14.5px; margin: 4px 0 14px; }
.footer-top ul { list-style: none; padding: 0; margin: 0; }
.footer-top ul li { padding: 5px 0; font-size: 13.5px; }
.footer-top ul li a:hover { color: #fff; }
.footer-links { border-top: 1px solid #24384e; border-bottom: 1px solid #24384e; padding: 14px 0; text-align: center; font-size: 13.5px; }
.footer-links a { color: #cdd9e8; margin: 0 8px; }
.footer-links a:hover { color: #fff; }
.footer-links .sep { color: #3a4f66; }
.footer-bottom { padding: 18px 0 30px; font-size: 13px; color: #8597ab; text-align: center; line-height: 1.9; }
.footer-bottom a { color: #9fb0c4; }
.footer-bottom a:hover { color: #fff; }
.footer-bottom .fb-strong { color: #cdd9e8; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .player-wrap, .about-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .player-layout { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr 1fr; }
  .company-tag { display: none; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero h1 { font-size: 27px; }
  .prose { padding: 22px 18px; }
}

/* ---------- 评论区 ---------- */
.cm-item { display: flex; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.cm-item:first-child { border-top: none; }
.cm-avatar { width: 34px; height: 34px; border-radius: 50%; color: #fff; font-size: 15px; font-weight: 600; display: flex; align-items: center; justify-content: center; flex: none; }
.cm-main { flex: 1; min-width: 0; }
.cm-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.cm-head b { font-size: 13.5px; color: var(--ink); }
.cm-head span { font-size: 12px; color: var(--ink-3); }
.cm-content { font-size: 13.5px; line-height: 1.7; color: var(--ink-2); word-break: break-word; }
.toast { position: fixed; top: 84px; right: 24px; background: #16283e; color: #fff; padding: 12px 18px; border-radius: 10px; font-size: 14px; z-index: 200; box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* ---------- 旧版 Safari（<15）不支持 aspect-ratio 的兜底：改用固定高度 ---------- */
@supports not (aspect-ratio: 16/10) {
  .card .cover { height: 280px; }
  .novel-cover { height: 320px; }
  .video-box video { height: 540px; }
}
@media (max-width: 720px) {
  @supports not (aspect-ratio: 16/10) {
    .card .cover { height: 200px; }
    .video-box video { height: 230px; }
  }
}