/* ============================================================
   style.css —— 前台样式（PornHub 风格：深色 + 品牌橙）
   ============================================================ */
:root{
  --bg:#1b1b1b; --bg-2:#232323; --bg-3:#2b2b2b; --line:#2f2f2f; --line-2:#3a3a3a;
  --txt:#fff; --dim:#b3b3b3; --dim-2:#8a8a8a;
  --acc:#ff9000; --acc-2:#ffa733;
  --max:1280px; --hdr:56px;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{background:#000}
body{
  min-height:100vh;background:var(--bg);color:var(--txt);
  font-family:'Oswald',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  font-size:14px;font-weight:400;
}
body.locked{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ================= 顶栏 ================= */
.top{position:sticky;top:0;z-index:40;background:#191919;border-bottom:1px solid #2a2a2a;box-shadow:0 2px 14px rgba(0,0,0,.45)}
.top-in{display:flex;align-items:center;gap:20px;height:var(--hdr)}
.logo{display:flex;align-items:center;flex:0 0 auto;line-height:1;
  font-family:'Bebas Neue',Impact,sans-serif;font-size:27px;letter-spacing:.02em}
.logo span{color:#fff}
.logo b{color:var(--acc);font-weight:400}
.burger{display:none;flex:0 0 auto;width:34px;height:34px;border:0;border-radius:6px;background:transparent;cursor:pointer;padding:6px}
.burger i{display:block;height:2px;border-radius:2px;background:#d0d0d0}
.burger i+i{margin-top:6px}
.nav{display:flex;align-items:center;gap:20px;min-width:0}
.nav a{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:#c6c6c6;white-space:nowrap;transition:color .18s}
.nav a:hover{color:var(--acc)}
.nav .live{width:6px;height:6px;border-radius:50%;background:#ff2d55;box-shadow:0 0 0 3px rgba(255,45,85,.18);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.search{position:relative;margin-left:auto;flex:1 1 300px;max-width:340px;min-width:150px}
.search input{width:100%;height:36px;padding:0 44px 0 16px;border:1px solid var(--line-2);border-radius:999px;
  background:#262626;color:#fff;font-family:inherit;font-size:13px;outline:none;transition:border-color .2s,background .2s}
.search input::placeholder{color:#7d7d7d}
.search input:focus{border-color:var(--acc);background:#212121}
.search button{position:absolute;right:4px;top:4px;width:28px;height:28px;border:0;border-radius:50%;
  background:var(--acc);display:flex;align-items:center;justify-content:center;cursor:pointer}
.search button:hover{background:var(--acc-2)}
.search svg{width:14px;height:14px;stroke:#1b1b1b;stroke-width:2.4;fill:none;stroke-linecap:round}
.acts{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.acts .login{font-size:13px;font-weight:600;color:#d2d2d2;white-space:nowrap;transition:color .18s}
.acts .login:hover{color:#fff}
.acts .signup{display:inline-block;height:34px;padding:0 16px;border-radius:8px;background:var(--acc);color:#141414;
  font-size:13px;font-weight:700;line-height:34px;letter-spacing:.02em;white-space:nowrap;transition:background .18s}
.acts .signup:hover{background:var(--acc-2)}

/* ================= 推广横幅 ================= */
.banner{display:block;background:linear-gradient(90deg,#3a2408,#5a3a0a 50%,#3a2408);border-bottom:1px solid #4a3208;
  text-align:center;padding:9px 14px;font-size:13px;font-weight:600;letter-spacing:.04em;color:#ffd9a3}
.banner:hover{color:#fff}
.banner b{color:var(--acc)}

/* ================= 筛选条 ================= */
.filters{position:sticky;top:var(--hdr);z-index:35;background:#1b1b1b;border-bottom:1px solid #2a2a2a}
.frow{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.frow::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;height:30px;padding:0 14px;border:1px solid var(--line-2);border-radius:999px;background:var(--bg-3);
  color:#cfcfcf;font-size:12.5px;font-weight:500;line-height:28px;cursor:pointer;white-space:nowrap;
  transition:background .18s,color .18s,border-color .18s}
.chip:hover{background:#343434;color:#fff}
.chip.on{background:var(--acc);border-color:var(--acc);color:#141414;font-weight:700}

/* ================= 区块标题 ================= */
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:24px 0 16px}
.sec-h h1{font-family:'Bebas Neue',Impact,sans-serif;font-size:27px;font-weight:400;letter-spacing:.04em;line-height:1}
.sec-h .sub{color:var(--dim-2);font-size:11.5px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}

/* ================= 视频网格 ================= */
.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px 14px}
.grid.small{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px 12px}
.v{min-width:0}
.thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:6px;overflow:hidden;
  background:linear-gradient(135deg,#2e2e2e,#1f1f1f);box-shadow:0 2px 10px rgba(0,0,0,.35)}
.thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(1.04) contrast(1.04) brightness(.94);transition:transform .45s ease}
.thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#555;
  font-family:'Bebas Neue',Impact,sans-serif;font-size:15px;letter-spacing:.14em}
.thumb::after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(to bottom,rgba(0,0,0,0) 58%,rgba(0,0,0,.4) 100%)}
.v:hover .thumb{box-shadow:0 0 0 2px var(--acc)}
.v:hover .thumb img{transform:scale(1.06)}
.dur{position:absolute;right:7px;bottom:7px;z-index:2;padding:1px 6px;border-radius:3px;background:rgba(0,0,0,.78);
  color:#fff;font-size:10.5px;font-weight:600;letter-spacing:.02em}
.play{position:absolute;left:50%;top:50%;z-index:3;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;
  background:rgba(255,144,0,.92);opacity:0;transform:scale(.82);transition:opacity .22s,transform .22s}
.play::after{content:'';position:absolute;left:18px;top:14px;border-left:14px solid #1b1b1b;
  border-top:9px solid transparent;border-bottom:9px solid transparent}
.v:hover .play{opacity:1;transform:scale(1)}
.ttl{display:-webkit-box;overflow:hidden;min-height:35px;margin-top:9px;-webkit-line-clamp:2;line-clamp:2;
  -webkit-box-orient:vertical;font-size:13px;font-weight:500;line-height:1.35;color:#fff;transition:color .18s}
.v:hover .ttl{color:var(--acc)}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:5px;margin-top:5px;color:var(--dim-2);font-size:11px}
.meta .dot{width:3px;height:3px;border-radius:50%;background:#5c5c5c}
.meta .up{color:#a5a5a5}
.cat-tag{color:var(--acc)}

/* ================= 分页 ================= */
.pager{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;padding:36px 0 8px}
.pg{min-width:34px;height:34px;padding:0 11px;border:1px solid var(--line-2);border-radius:6px;background:var(--bg-3);
  color:#cfcfcf;font-size:13px;font-weight:600;line-height:32px;text-align:center;cursor:pointer;
  transition:background .18s,color .18s,border-color .18s}
.pg:hover{background:#363636;color:#fff;border-color:#4a4a4a}
.pg.on{background:var(--acc);border-color:var(--acc);color:#141414}
.pg.dis{opacity:.3;pointer-events:none}

/* ================= 空状态 ================= */
.empty{padding:70px 0;text-align:center;color:var(--dim-2)}
.empty .big{font-family:'Bebas Neue',Impact,sans-serif;font-size:26px;letter-spacing:.06em;color:#555;margin-bottom:8px}

/* ================= 视频详情页 ================= */
.watch{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;padding-top:20px;align-items:start}
.wmain{min-width:0}
.player{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden;
  box-shadow:0 4px 24px rgba(0,0,0,.5)}
.player video,.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
.player .ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;color:#666;background:radial-gradient(circle at 50% 40%,#232323,#0d0d0d)}
.player .ph .big{font-family:'Bebas Neue',Impact,sans-serif;font-size:22px;letter-spacing:.1em;color:#4a4a4a}
.w-title{margin:16px 0 8px;font-size:20px;font-weight:600;line-height:1.35}
.w-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--dim-2);font-size:12.5px}
.w-meta .dot{width:3px;height:3px;border-radius:50%;background:#5c5c5c}
.w-meta .rate{color:var(--acc);font-weight:700}
.w-acts{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:14px 0;padding:12px 0;border-top:1px solid #2a2a2a;border-bottom:1px solid #2a2a2a}
.w-acts .up{display:flex;align-items:center;gap:9px;color:#dcdcdc;font-size:13px}
.w-acts .av{width:32px;height:32px;border-radius:50%;background:var(--acc);color:#1b1b1b;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.w-acts .spacer{margin-left:auto}
.badge{display:inline-block;padding:3px 10px;border:1px solid var(--line-2);border-radius:999px;color:#cfcfcf;font-size:12px}
.badge.hot{border-color:var(--acc);color:var(--acc)}
.w-desc{color:#c3c3c3;font-size:13.5px;line-height:1.7;white-space:pre-wrap}
.w-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.w-tags a{display:inline-block;padding:4px 11px;border-radius:999px;background:var(--bg-3);border:1px solid var(--line-2);
  color:#c6c6c6;font-size:12px;transition:color .18s,border-color .18s}
.w-tags a:hover{color:#fff;border-color:var(--acc)}

/* 侧栏相关视频 */
.side{position:sticky;top:calc(var(--hdr) + 12px)}
.side h2{font-family:'Bebas Neue',Impact,sans-serif;font-size:19px;font-weight:400;letter-spacing:.05em;margin-bottom:12px}
.slist{display:flex;flex-direction:column;gap:12px}
.sitem{display:flex;gap:10px;min-width:0}
.sitem .sthumb{position:relative;flex:0 0 150px;aspect-ratio:16/9;border-radius:6px;overflow:hidden;
  background:linear-gradient(135deg,#2e2e2e,#1f1f1f)}
.sitem .sthumb img{width:100%;height:100%;object-fit:cover}
.sitem .sthumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#555;font-size:11px}
.sitem .sthumb .dur{font-size:10px;padding:1px 5px}
.sitem .sinfo{min-width:0;padding-top:2px}
.sitem .st{display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:13px;font-weight:500;line-height:1.35;color:#fff;transition:color .18s}
.sitem:hover .st{color:var(--acc)}
.sitem .sm{margin-top:5px;color:var(--dim-2);font-size:11px}

/* ================= 页脚 ================= */
.ft{margin-top:44px;padding:34px 0 24px;background:#161616;border-top:1px solid #2a2a2a}
.ft-cols{display:flex;flex-wrap:wrap;gap:26px 64px}
.ft h4{margin-bottom:10px;color:#6f6f6f;font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.ft-cols a{display:block;padding:2px 0;color:#9a9a9a;font-size:12px;line-height:1.9;transition:color .18s}
.ft-cols a:hover{color:var(--acc)}
.ft-bot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:28px;
  padding-top:18px;border-top:1px solid #262626}
.copy{color:#6b6b6b;font-size:11.5px}
.legal{color:#5c5c5c;font-size:11px;line-height:1.7;max-width:640px;margin-top:4px}
.r18{display:flex;align-items:center;justify-content:center;flex:0 0 auto;width:34px;height:34px;
  border:2px solid #4a4a4a;border-radius:50%;color:#8a8a8a;font-size:11px;font-weight:700}

/* ================= 年龄门 ================= */
.gate{position:fixed;inset:0;z-index:99;display:flex;align-items:center;justify-content:center;padding:22px;
  background:rgba(8,8,8,.92);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}
.gate-card{width:100%;max-width:410px;padding:30px 26px 22px;border:1px solid #3c3c3c;border-radius:12px;
  background:#242424;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.65)}
.gate-logo{font-family:'Bebas Neue',Impact,sans-serif;font-size:34px;letter-spacing:.03em;line-height:1}
.gate-logo b{color:var(--acc);font-weight:400}
.gate-18{display:inline-block;margin:12px 0 4px;padding:2px 9px;border:1px solid rgba(255,144,0,.55);border-radius:4px;
  color:var(--acc);font-size:11px;font-weight:700;letter-spacing:.16em}
.gate-card h3{margin-top:8px;font-size:17px;font-weight:600}
.gate-card p{margin:10px 0 20px;color:#b3b3b3;font-size:13px;line-height:1.65}
.gate-ok{height:46px;border-radius:8px;background:var(--acc);color:#141414;font-size:14px;font-weight:700;
  letter-spacing:.06em;line-height:46px;text-transform:uppercase;cursor:pointer;transition:background .18s}
.gate-ok:hover{background:var(--acc-2)}
.gate-no{margin-top:10px;height:40px;border:1px solid #4a4a4a;border-radius:8px;color:#9a9a9a;font-size:12.5px;font-weight:600;
  letter-spacing:.08em;line-height:38px;text-transform:uppercase;cursor:pointer;transition:color .18s,border-color .18s}
.gate-no:hover{color:#fff;border-color:#6a6a6a}
.gate-legal{margin-top:16px;color:#666;font-size:10px;line-height:1.6}

/* ================= 移动端抽屉 ================= */
.drawer{position:fixed;inset:0;z-index:60;pointer-events:none}
.drawer .ov{position:absolute;inset:0;background:rgba(0,0,0,.62);opacity:0;transition:opacity .26s}
.drawer .panel{position:absolute;left:0;top:0;bottom:0;width:282px;padding:16px 0 24px;background:#1b1b1b;
  border-right:1px solid #2c2c2c;overflow-y:auto;transform:translateX(-100%);transition:transform .28s cubic-bezier(.4,0,.2,1)}
.drawer.open{pointer-events:auto}
.drawer.open .ov{opacity:1}
.drawer.open .panel{transform:none}
.d-top{display:flex;align-items:center;justify-content:space-between;padding:0 18px 14px;border-bottom:1px solid #2c2c2c}
.d-x{width:30px;height:30px;border:0;border-radius:50%;background:#2b2b2b;color:#cfcfcf;font-size:16px;line-height:30px;text-align:center;cursor:pointer}
.d-group{padding:12px 18px 4px}
.d-group .gt{padding:8px 0;color:#6f6f6f;font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}
.d-group a{display:block;padding:9px 0;color:#cfcfcf;font-size:14px}
.d-group a:hover{color:var(--acc)}
.d-cts{display:flex;flex-wrap:wrap;gap:8px;padding:4px 18px 16px}
.d-cts .chip{height:28px;line-height:26px;font-size:12px}

/* ================= 响应式 ================= */
@media (max-width:1200px){
  .grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .watch{grid-template-columns:minmax(0,1fr) 300px}
}
@media (max-width:900px){
  :root{--hdr:98px}
  .top-in{flex-wrap:wrap;height:auto;gap:8px 12px;padding:9px 0 10px}
  .burger{display:block}
  .nav{display:none}
  .search{order:9;flex:1 1 100%;max-width:none;margin:0}
  .acts .login{display:none}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .watch{grid-template-columns:1fr}
  .side{position:static;margin-top:26px}
}
@media (max-width:639px){
  :root{--max:100%;--hdr:96px}
  .wrap{padding:0 12px}
  .logo{font-size:24px}
  .sec-h{padding:18px 0 13px}
  .sec-h h1{font-size:24px}
  .frow{height:48px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 10px}
  .thumb{border-radius:5px}
  .ttl{min-height:33px;margin-top:8px;font-size:12.5px}
  .meta{font-size:10.5px}
  .pager{display:none}
  .ft{margin-top:30px;padding-top:26px}
  .w-title{font-size:17px}
}
@media (hover:none){ .play{display:none} }