/* ===== YOUSU Video subsystem styles ===== */

/* ---------- Top nav: keep the video link compact, never wrap ---------- */
nav.mainnav{flex-wrap:nowrap}
nav.mainnav a{white-space:nowrap}
nav.mainnav a.active-vid{color:var(--orange);font-weight:700}
nav.mainnav a.active-vid:hover{color:#fff}
@media (max-width:1100px){nav.mainnav{gap:16px}}

/* ---------- Homepage hero: two-column layout (deterministic) ---------- */
.hero .hero-in{max-width:1180px;margin:0 auto}
/* text column flexes; the video column is a fixed Douyin 9:16 width */
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 252px;gap:48px;align-items:center;width:100%}
.hero-left{max-width:560px}
.hero-left .hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* right video panel — exact 9:16 frame (252 x 448) */
.hero-video{position:relative;z-index:2;width:252px;margin:0 auto;display:flex;flex-direction:column}
.hero-video .hv-nav{display:flex;align-items:center;justify-content:center;gap:6px;background:var(--orange);color:#fff;
  font-weight:700;font-size:12.5px;letter-spacing:.01em;padding:10px 12px;border-radius:8px;
  text-decoration:none;margin-bottom:13px;box-shadow:0 6px 18px rgba(230,126,34,.35);transition:.2s;text-align:center}
.hero-video .hv-nav:hover{background:var(--orange-d);transform:translateY(-2px)}
.hero-video .hv-frame{width:252px;height:448px;border-radius:12px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.12);background:#050d1d;flex:none}
.hero-video .hv-frame video{display:block;width:100%;height:100%;object-fit:cover}
.hero-video .hv-desc{color:rgba(255,255,255,.82);font-size:13px;line-height:1.6;margin-top:13px;width:100%}
.hero-video .hv-desc b{color:#fff;font-weight:700}

/* ---------- Video gallery page ---------- */
.videos-page{padding:40px 0 70px;background:var(--bg);min-height:60vh}
.videos-head{text-align:center;max-width:760px;margin:0 auto 36px}
.videos-head h1{font-size:36px;color:var(--ink);margin:10px 0 12px}
.videos-head p{color:var(--mut);font-size:16px;line-height:1.6}
.videos-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:10px}
.videos-count{color:var(--mut);font-size:14px;font-weight:600}
.vgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.vcard{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;
  display:flex;flex-direction:column;box-shadow:var(--shadow);transition:.22s;color:var(--ink)}
.vcard:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(10,30,63,.14)}
.vcard-media{position:relative;aspect-ratio:16/11;background:#0a1e3f;overflow:hidden}
.vcard-media img{width:100%;height:100%;object-fit:cover;display:block}
.vcard-media video{width:100%;height:100%;object-fit:cover;display:block}
.vcard-play{position:absolute;inset:0;margin:auto;width:58px;height:58px;border-radius:50%;
  background:rgba(230,126,34,.92);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:20px;padding-left:4px;box-shadow:0 6px 20px rgba(0,0,0,.35);transition:.2s}
.vcard:hover .vcard-play{transform:scale(1.1);background:var(--orange)}
.vcard-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.vcard-body h3{font-size:16.5px;line-height:1.4;margin:0}
.vcard-body p{font-size:13.5px;color:var(--mut);line-height:1.55;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vcard-cta{margin-top:auto;color:var(--orange);font-weight:700;font-size:13.5px}
.videos-empty{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:60px 20px;
  text-align:center;color:var(--mut);font-size:16px}

/* ---------- Pagination ---------- */
.pager{display:flex;justify-content:center;gap:8px;margin-top:42px;flex-wrap:wrap;align-items:center}
.pager a,.pager span{min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--mut2);font-weight:600;text-decoration:none}
.pager a:hover{border-color:var(--orange);color:var(--orange)}
.pager .cur{background:var(--orange);border-color:var(--orange);color:#fff}
.pager .gap{border:none;background:none}

/* ---------- Video detail (watch) page ---------- */
.watch-page{padding:38px 0 70px;background:var(--bg);min-height:60vh}
.watch-crumb{color:var(--mut);font-size:13.5px;margin-bottom:22px}
.watch-crumb a{color:var(--mut2);text-decoration:none}
.watch-crumb a:hover{color:var(--orange)}
.watch-title{font-size:30px;margin:0 0 20px;line-height:1.3}
.watch-frame{background:#050d1d;border-radius:12px;overflow:hidden;box-shadow:0 14px 40px rgba(10,30,63,.18)}
.watch-frame video{display:block;width:100%;max-height:72vh;object-fit:contain;margin:0 auto}
.watch-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:18px 0 6px}
.watch-meta .tag{background:#fff;border:1px solid var(--line);color:var(--mut2);font-size:13px;
  padding:6px 12px;border-radius:20px;font-weight:600}
.watch-desc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px 28px;margin-top:22px}
.watch-desc h2{font-size:17px;margin:0 0 12px}
.watch-desc p{color:var(--mut2);font-size:15.5px;line-height:1.75;margin:0;white-space:pre-line}
.watch-back{display:inline-flex;align-items:center;gap:8px;margin-top:30px;color:var(--orange);
  font-weight:700;text-decoration:none;font-size:15px}
.watch-back:hover{gap:12px}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-left{max-width:100%}
  .hero-video{margin:0;width:100%;max-width:300px}
  .hero-video .hv-frame{width:100%;height:auto;aspect-ratio:9/16}
  .vgrid{grid-template-columns:repeat(2,1fr);gap:18px}
}
@media (max-width:640px){
  .vgrid{grid-template-columns:1fr}
  .videos-head h1,.watch-title{font-size:26px}
}