:root{
  --main:#2C1810;
  --sub:#B8860B;
  --bg:#FDF6E3;
  --accent:#B8860B;
  --card-bg:#FFFDF6;
  --line:rgba(44,24,16,.18);
  --line-strong:rgba(44,24,16,.34);
  --shadow-layered:0 1px 2px rgba(44,24,16,.06),0 6px 16px rgba(44,24,16,.08),0 14px 34px rgba(44,24,16,.06);
  --radius:24px;
  --radius-sm:16px;
  --gap:18px;
  --sec-gap:68px;
}
*{box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15.5px;
  line-height:1.75;
  color:var(--main);
  background:var(--bg);
  background-image:linear-gradient(rgba(44,24,16,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(44,24,16,.045) 1px,transparent 1px);
  background-size:32px 32px;
}
img{width:100%;height:100%;object-fit:cover;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin:0}
h2{font-size:24px;line-height:1.3;letter-spacing:.01em}
h3{font-size:17px;line-height:1.4}
p{margin:12px 0}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
section{margin-top:var(--sec-gap)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;font-size:14px;line-height:1.4;
  border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  font-family:inherit;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-primary{background:var(--main);color:#FDF6E3;border-color:var(--main)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--accent);border-color:var(--accent);color:#2C1810}
.btn-ghost{background:transparent;color:var(--main);border-color:var(--line-strong)}
.btn-ghost:hover,.btn-ghost:focus-visible{border-color:var(--accent);color:var(--accent)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tag{
  display:inline-block;font-size:13px;line-height:1.4;padding:4px 12px;
  border:1px solid var(--line-strong);border-radius:999px;color:var(--main);
  background:rgba(184,134,11,.07);
}
.tag.on{background:var(--accent);border-color:var(--accent);color:#2C1810}
/* ---------- 顶部品牌区 ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(253,246,227,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar-in{display:flex;align-items:center;gap:16px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--main),#5a3520 60%,var(--sub));
  color:#FDF6E3;display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:-.02em;
  box-shadow:inset 0 0 0 1px rgba(253,246,227,.35);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.02em}
.brand-sub{font-size:12.5px;color:rgba(44,24,16,.6);line-height:1.4}
.nav{display:flex;gap:4px;margin-left:8px;flex:1;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{
  font-size:14px;padding:8px 12px;border-radius:999px;white-space:nowrap;
  color:rgba(44,24,16,.78);transition:background .18s,color .18s;
}
.nav a:hover,.nav a:focus-visible{background:rgba(184,134,11,.14);color:var(--main)}
.nav a[aria-current="true"]{background:rgba(184,134,11,.2);color:var(--main);font-weight:600}
.search{display:flex;align-items:center;gap:6px;flex-shrink:0}
.search input{
  width:150px;min-height:40px;padding:8px 14px;font-family:inherit;font-size:14px;
  border:1.5px solid var(--line-strong);border-radius:999px;background:#FFFDF6;color:var(--main);
}
.search input::placeholder{color:rgba(44,24,16,.42)}
.menu-btn{display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line-strong);background:#FFFDF6;color:var(--main);font-size:16px;cursor:pointer}
.mobile-nav{display:none;padding:8px 0 16px;border-top:1px dashed var(--line);}
.mobile-nav a{display:block;padding:11px 4px;font-size:15px;border-bottom:1px solid var(--line)}
.mobile-nav.open{display:block}
/* ---------- 面包屑 ---------- */
.crumbs{font-size:13.5px;color:rgba(44,24,16,.62);padding:20px 0 0;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a:hover{color:var(--accent)}
.crumbs [aria-current="page"]{color:var(--main);font-weight:600}
/* ---------- HERO split-overlap ---------- */
.hero{
  position:relative;margin-top:22px;
  background:linear-gradient(120deg,rgba(184,134,11,.16),rgba(253,246,227,.2) 46%,rgba(44,24,16,.08));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 20px 30px;
  box-shadow:var(--shadow-layered);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(44,24,16,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(44,24,16,.05) 1px,transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(140deg,rgba(0,0,0,.55),transparent 70%);
  -webkit-mask-image:linear-gradient(140deg,rgba(0,0,0,.55),transparent 70%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
.hero-poster{
  position:relative;order:-1;
  width:min(100%,300px);margin:0 auto;
  aspect-ratio:3/4;border-radius:var(--radius);
  overflow:hidden;border:2px solid var(--main);
  box-shadow:0 2px 0 var(--sub),0 10px 26px rgba(44,24,16,.22);
}
.hero-poster::before{
  content:"河马短剧 · 编辑精选";position:absolute;z-index:2;top:12px;left:12px;
  font-size:12.5px;line-height:1.4;padding:4px 10px;border-radius:999px;
  background:rgba(253,246,227,.92);color:var(--main);border:1px solid var(--line-strong);
}
.hero-copy{position:relative}
.hero-eyebrow{font-size:13px;letter-spacing:.12em;color:var(--sub);font-weight:700;text-transform:uppercase}
h1{font-size:38px;line-height:1.24;margin:10px 0 0;letter-spacing:-.01em;font-weight:800}
.hero-hook{font-size:15.5px;color:rgba(44,24,16,.78);margin-top:16px;max-width:56ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:16px;font-size:13.5px;color:rgba(44,24,16,.7)}
.hero-meta b{color:var(--main);font-size:15px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
/* ---------- 分类 ---------- */
.cat-scroll{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-top:18px}
.cat-card{
  display:block;padding:18px;border-radius:var(--radius-sm);background:var(--card-bg);
  border:1.5px solid var(--line-strong);box-shadow:0 1px 0 rgba(44,24,16,.04);
  transition:border-color .18s,transform .18s,box-shadow .18s;
}
.cat-card:hover,.cat-card:focus-visible{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-layered)}
.cat-card h3{font-size:17px;margin-bottom:4px}
.cat-card p{font-size:13.5px;color:rgba(44,24,16,.7);margin:0;line-height:1.6}
/* ---------- 卡片网格 ---------- */
.grid{display:grid;grid-template-columns:1fr;gap:var(--gap);margin-top:18px}
.card{
  display:flex;flex-direction:column;background:var(--card-bg);
  border:1.5px solid var(--line-strong);border-radius:var(--radius);
  padding:16px;box-shadow:0 1px 0 rgba(44,24,16,.05);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.card:hover,.card:focus-within{transform:translateY(-3px);box-shadow:var(--shadow-layered);border-color:var(--accent)}
.card-cover{aspect-ratio:3/4;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);background:rgba(44,24,16,.06)}
.card-body{display:flex;flex-direction:column;gap:8px;padding-top:14px;flex:1}
.card-tags{display:flex;flex-wrap:wrap;gap:6px}
.card-body h3 a:hover{color:var(--accent)}
.card-desc{font-size:14px;line-height:1.65;color:rgba(44,24,16,.74);margin:0}
.card-meta{font-size:13px;color:rgba(44,24,16,.58);margin-top:auto;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
.sec-head p{font-size:14.5px;color:rgba(44,24,16,.7);max-width:62ch;margin:10px 0 0}
.sec-link{font-size:14px;color:var(--sub);font-weight:600;border-bottom:1.5px solid rgba(184,134,11,.45);padding-bottom:2px}
.sec-link:hover{color:var(--main);border-color:var(--main)}
/* ---------- 剧情简介 ---------- */
.story-box{
  margin-top:18px;padding:22px;border-radius:var(--radius);
  background:var(--card-bg);border:1.5px solid var(--line-strong);
  box-shadow:var(--shadow-layered);
}
.story-box p{font-size:15.5px;line-height:1.8;color:rgba(44,24,16,.86)}
.story-box p+p{margin-top:12px}
/* ---------- 看点 ---------- */
.points{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:14px;grid-template-columns:1fr}
.points li{
  padding:18px;border-radius:var(--radius-sm);background:var(--card-bg);
  border-left:4px solid var(--sub);border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  font-size:14.5px;line-height:1.7;
}
.points li strong{display:block;font-size:16px;margin-bottom:4px}
/* ---------- 人物 ---------- */
.people{display:grid;grid-template-columns:1fr;gap:var(--gap);margin-top:18px}
.person{
  display:flex;gap:14px;padding:16px;border-radius:var(--radius-sm);
  background:var(--card-bg);border:1.5px solid var(--line-strong);
  transition:border-color .18s,box-shadow .18s;
}
.person:hover{border-color:var(--accent);box-shadow:var(--shadow-layered)}
.avatar{width:76px;height:76px;flex:0 0 76px;border-radius:50%;overflow:hidden;border:2px solid var(--sub)}
.person h3{font-size:16.5px}
.person p{font-size:13.5px;line-height:1.65;color:rgba(44,24,16,.72);margin:6px 0 0}
/* ---------- 追剧队列 ---------- */
.queue-wrap{margin-top:18px;border:1.5px solid var(--line-strong);border-radius:var(--radius);background:var(--card-bg);overflow:hidden;box-shadow:var(--shadow-layered)}
.queue-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:14px 18px;background:rgba(184,134,11,.12);border-bottom:1px solid var(--line)}
.queue-count{font-size:14px;font-weight:600}
.queue-count b{color:var(--accent);font-size:17px}
.ep{display:flex;flex-direction:column;gap:8px;padding:16px 18px;border-bottom:1px solid var(--line)}
.ep:last-child{border-bottom:0}
.ep-top{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:baseline}
.ep-no{font-size:13px;color:var(--sub);font-weight:700;letter-spacing:.06em}
.ep-top h4{margin:0;font-size:16px;line-height:1.4;font-weight:700}
.ep p{font-size:13.5px;line-height:1.65;color:rgba(44,24,16,.72);margin:0}
.ep-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.ep-meta{font-size:13px;color:rgba(44,24,16,.56)}
.ep .btn{min-height:42px;padding:8px 18px;font-size:13.5px}
.ep .btn[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#2C1810}
.ep.hidden{display:none}
.queue-more{display:flex;justify-content:center;padding:14px 18px;background:rgba(44,24,16,.03);border-top:1px dashed var(--line)}
/* ---------- 相关推荐 ---------- */
.related{display:grid;grid-template-columns:1fr;gap:var(--gap);margin-top:18px}
.rel-card{display:flex;gap:14px;padding:14px;border-radius:var(--radius-sm);background:var(--card-bg);border:1.5px solid var(--line-strong);transition:border-color .18s,transform .18s}
.rel-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.rel-cover{width:92px;flex:0 0 92px;aspect-ratio:3/4;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.rel-card h3{font-size:16px}
.rel-card p{font-size:13.5px;line-height:1.6;color:rgba(44,24,16,.72);margin:6px 0 8px}
/* ---------- FAQ ---------- */
.faq{margin-top:18px;display:grid;gap:12px}
details{
  border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);
  background:var(--card-bg);padding:16px 18px;
}
details[open]{border-color:var(--accent);box-shadow:var(--shadow-layered)}
summary{cursor:pointer;font-size:15.5px;font-weight:600;line-height:1.5;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"＋";display:inline-block;width:20px;color:var(--sub);font-weight:700}
details[open] summary::before{content:"－"}
details p{font-size:14.5px;line-height:1.75;color:rgba(44,24,16,.78);margin:12px 0 0}
/* ---------- 标签云 ---------- */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tagcloud button{font-family:inherit;cursor:pointer}
/* ---------- 友情链接 ---------- */
.friend-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:16px;font-size:14px}
.friend-links a{color:var(--sub);border-bottom:1px solid rgba(184,134,11,.4);padding-bottom:1px}
.friend-links a:hover{color:var(--main);border-color:var(--main)}
/* ---------- 页脚 ---------- */
footer{margin-top:var(--sec-gap);padding:56px 0 32px;border-top:1.5px solid var(--line-strong);background:rgba(44,24,16,.04)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:26px}
.foot-grid h3{font-size:15px;margin-bottom:10px;color:var(--main)}
.foot-links{display:flex;flex-direction:column;gap:8px;font-size:13.5px}
.foot-links a{color:rgba(44,24,16,.72)}
.foot-links a:hover{color:var(--accent)}
.foot-note{font-size:13px;line-height:1.7;color:rgba(44,24,16,.66);margin-top:12px}
.foot-bottom{margin-top:32px;padding-top:20px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;font-size:12.5px;color:rgba(44,24,16,.66)}
.foot-bottom a{color:rgba(44,24,16,.72)}
.foot-bottom a:hover{color:var(--accent)}
.beian{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
#backTop{position:fixed;right:16px;bottom:18px;z-index:60;width:46px;height:46px;border-radius:50%;border:1.5px solid var(--line-strong);background:#FFFDF6;color:var(--main);font-size:16px;cursor:pointer;box-shadow:var(--shadow-layered);display:none}
#backTop.show{display:block}
/* ---------- 响应式 ---------- */
@media(min-width:720px){
  .container{padding:0 32px}
  h1{font-size:46px}
  h2{font-size:28px}
  .hero{padding:36px 32px}
  .hero-grid{grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:28px}
  .hero-poster{order:0;margin:0;transform:translateX(0);width:100%}
  .hero-grid{grid-template-columns:minmax(0,320px) minmax(0,1fr)}
  .hero-poster{margin-left:0}
  .cat-scroll{grid-template-columns:repeat(3,1fr)}
  .grid{grid-template-columns:repeat(3,1fr)}
  .points{grid-template-columns:repeat(2,1fr)}
  .people{grid-template-columns:repeat(2,1fr)}
  .related{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(3,1fr)}
  .search input{width:190px}
}
@media(min-width:1100px){
  .container{padding:0 40px}
  body{font-size:16px}
  h1{font-size:56px}
  h2{font-size:30px}
  h3{font-size:18px}
  .hero{padding:44px 40px}
  .hero-grid{grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:44px}
  .hero-poster{width:100%;margin-right:-72px;z-index:3}
  .hero-copy{padding-left:64px}
  .cat-scroll{grid-template-columns:repeat(4,1fr)}
  .grid{grid-template-columns:repeat(4,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .related{grid-template-columns:repeat(3,1fr)}
  .points{grid-template-columns:repeat(3,1fr)}
  .people{grid-template-columns:repeat(4,1fr)}
  .nav{overflow:visible}
  .foot-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:1000px){
  .search{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto}
  .nav{display:none}
}
@media(max-width:360px){
  .container{padding:0 16px}
  .brand-sub{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}