/* roulang page: index */
:root{
  --ink:#0E0F11;
  --ink-2:#1A1C1F;
  --paper:#F5F2EC;
  --paper-2:#EAE5DB;
  --copper:#C4763A;
  --copper-d:#8E4E1F;
  --copper-l:#E0A878;
  --mist:#7E8F84;
  --mint:#9FE8D0;
  --text:#23262B;
  --text-dim:#5C6067;
  --text-soft:#EDEAE3;
  --line:rgba(14,15,17,.12);
  --line-soft:rgba(14,15,17,.07);
  --line-dark:rgba(245,242,236,.16);
  --r-poster:6px;
  --r-card:10px;
  --r-pill:999px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(14,15,17,.06);
  --sh-2:0 12px 32px rgba(14,15,17,.14);
  --sh-dark:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:.15s;
  --t-mid:.24s;
  --t-slow:.42s;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:-.01em;line-height:1.15}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--copper);color:#fff}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:2px}
.container{width:100%;max-width:1260px;margin:0 auto;padding:0 40px}
.mono{font-family:var(--mono);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--mist);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--copper)}
.section{padding:112px 0}
.section--tight{padding:72px 0}
.section--dark{background:var(--ink);color:var(--text-soft)}
.section--paper2{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:32px;margin-top:14px}
.section-head p{margin-top:12px;color:var(--text-dim);max-width:560px}
.section--dark .section-head p{color:rgba(237,234,227,.7)}
.hr{height:1px;background:var(--line);border:0;margin:0}
.hr--dark{background:var(--line-dark)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  --nav-fg:#F5F2EC;
  color:var(--nav-fg);
  transition:background-color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.site-header.is-scrolled{
  --nav-fg:#23262B;
  background:rgba(245,242,236,.94);
  backdrop-filter:blur(10px);
  box-shadow:0 1px 0 rgba(14,15,17,.1);
}
.site-header .bar{
  height:72px;display:flex;align-items:center;gap:32px;
  transition:height var(--t-mid) var(--ease);
}
.site-header.is-scrolled .bar{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:18px;letter-spacing:.01em}
.brand__mark{width:16px;height:16px;border:2px solid var(--copper);border-radius:3px;position:relative;flex:none}
.brand__mark::after{content:"";position:absolute;right:-5px;bottom:-5px;width:6px;height:6px;border-radius:50%;background:var(--mint)}
.brand__name{font-family:var(--serif)}
.nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{position:relative;font-size:15px;padding:6px 0;color:var(--nav-fg);transition:color var(--t-mid) var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid) var(--ease)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{content:"";position:absolute;left:50%;bottom:-6px;width:4px;height:4px;border-radius:50%;background:var(--copper);transform:translateX(-50%)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  transition:transform var(--t-fast) var(--ease),background-color var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease);
}
.btn--primary{background:var(--copper);color:#fff}
.btn--primary:hover{background:var(--copper-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{border-color:rgba(245,242,236,.42);color:var(--paper)}
.btn--ghost:hover{background:rgba(196,118,58,.16);border-color:var(--copper)}
.btn--outline{border-color:var(--line);color:var(--text)}
.btn--outline:hover{background:rgba(196,118,58,.06);border-color:var(--copper);color:var(--copper-d)}
.btn--sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;align-items:flex-end}
.burger span{display:block;width:22px;height:1px;background:var(--nav-fg);transition:width var(--t-mid) var(--ease)}
.burger:hover span:last-child{width:14px}
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);color:var(--text-soft);
  display:flex;flex-direction:column;justify-content:center;padding:0 32px;
  opacity:0;visibility:hidden;transition:opacity var(--t-mid) var(--ease),visibility var(--t-mid);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__close{position:absolute;top:18px;right:24px;width:44px;height:44px;font-size:26px;line-height:1;color:var(--text-soft)}
.drawer__nav{display:flex;flex-direction:column;gap:22px}
.drawer__nav a{font-family:var(--serif);font-size:30px;opacity:0;transform:translateY(12px);transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease)}
.drawer.is-open .drawer__nav a{opacity:1;transform:none}
.drawer.is-open .drawer__nav a:nth-child(1){transition-delay:.04s}
.drawer.is-open .drawer__nav a:nth-child(2){transition-delay:.08s}
.drawer.is-open .drawer__nav a:nth-child(3){transition-delay:.12s}
body.is-locked{overflow:hidden}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;background:var(--ink);overflow:hidden}
.hero__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;transform:scale(1.02)}
.hero__veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(14,15,17,.9) 0%,rgba(14,15,17,.6) 42%,rgba(14,15,17,.28) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;padding-top:120px;padding-bottom:120px}
.hero__text{max-width:640px;color:var(--text-soft);animation:rise .7s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero__brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--copper-l);margin-bottom:20px}
.hero h1{font-size:58px;color:#fff}
.hero__sub{margin-top:22px;font-size:17px;color:rgba(237,234,227,.82);max-width:520px}
.hero__actions{display:flex;align-items:center;gap:24px;margin-top:36px;flex-wrap:wrap}
.hero__meta{
  position:absolute;right:40px;bottom:40px;z-index:2;
  display:flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:rgba(237,234,227,.72);
}
.hero__meta i{width:1px;height:12px;background:rgba(237,234,227,.3);display:inline-block}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--copper)}
.link-arrow svg{transition:transform var(--t-mid) var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.on-dark .link-arrow{color:var(--copper-l)}

/* ---------- 徽章 / 胶囊 ---------- */
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--paper-2);color:var(--mist);font-size:12px;letter-spacing:.04em;white-space:nowrap;
}
.pill--solid{background:var(--copper);color:#fff}
.pill--dark{background:rgba(245,242,236,.12);color:rgba(237,234,227,.8)}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 40px 28px;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 240px;scroll-snap-align:start;transition:transform var(--t-mid) var(--ease)}
.rail-card:hover{transform:translateY(-4px)}
.poster{position:relative;border-radius:var(--r-poster);overflow:hidden;background:var(--ink-2);aspect-ratio:240/340;box-shadow:var(--sh-1)}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.poster__veil{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;padding:16px;
  background:linear-gradient(to top,rgba(14,15,17,.92),rgba(14,15,17,.1) 62%);
  opacity:0;transition:opacity var(--t-mid) var(--ease);color:var(--text-soft);font-size:13px;
}
.rail-card:hover .poster img,.poster:hover img{transform:scale(1.04)}
.rail-card:hover .poster__veil,.poster:hover .poster__veil{opacity:1}
.poster__play{position:absolute;top:14px;left:14px;width:30px;height:30px;border-radius:50%;border:1px solid rgba(159,232,208,.8);display:grid;place-items:center;color:var(--mint);background:rgba(14,15,17,.35)}
.rail-card h3{font-size:17px;margin-top:14px}
.rail-card .meta{margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--text-dim);letter-spacing:.06em}
.rail-ctrl{display:flex;gap:10px}
.ring-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text);transition:border-color var(--t-mid) var(--ease),color var(--t-mid) var(--ease),background-color var(--t-mid) var(--ease);
}
.ring-btn:hover{border-color:var(--copper);color:var(--copper-d);background:rgba(196,118,58,.06)}
.ring-btn[disabled]{opacity:.35;pointer-events:none}

/* ---------- 热播推荐 ---------- */
.featured{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.feat-main{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink-2);min-height:460px;display:flex;align-items:flex-end;box-shadow:var(--sh-1)}
.feat-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.feat-main:hover img{transform:scale(1.04)}
.feat-main__body{position:relative;z-index:2;padding:36px;color:var(--text-soft);width:100%;
  background:linear-gradient(to top,rgba(14,15,17,.92),rgba(14,15,17,0) 78%)}
.feat-main__body h3{font-size:28px;color:#fff;margin-top:16px}
.feat-main__body p{margin-top:12px;color:rgba(237,234,227,.78);max-width:460px}
.feat-side{display:grid;gap:24px}
.feat-card{display:grid;grid-template-columns:130px 1fr;gap:20px;align-items:center;
  background:var(--paper);border:1px solid var(--line-soft);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease),border-color var(--t-mid) var(--ease)}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(196,118,58,.35)}
.feat-card img{border-radius:var(--r-poster);aspect-ratio:130/170;object-fit:cover;width:100%}
.feat-card h3{font-size:19px;margin-top:12px}
.feat-card p{margin-top:8px;font-size:14px;color:var(--text-dim)}

/* ---------- 片单分区 ---------- */
.shelf{display:grid;grid-template-columns:200px 1fr;gap:40px}
.shelf-tabs{display:flex;flex-direction:column;gap:6px;border-left:2px solid var(--line);padding-left:20px}
.shelf-tabs span{padding:10px 0;font-size:15px;color:var(--text-dim);transition:color var(--t-mid) var(--ease)}
.shelf-tabs span.is-on{color:var(--copper-d);font-weight:600}
.shelf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.shelf-grid h3{font-size:16px;margin-top:12px}
.shelf-grid .meta{margin-top:4px;font-family:var(--mono);font-size:12px;color:var(--text-dim)}

.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split__list li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line-soft);align-items:baseline}
.split__list li:first-child{border-top:1px solid var(--line-soft)}
.split__list .idx{font-family:var(--mono);font-size:13px;color:var(--copper);flex:none}
.split__list h3{font-size:17px}
.split__list p{font-size:14px;color:var(--text-dim);margin-top:6px}
.split__list .dur{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--mist);flex:none}

.numlist li{display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line-soft);transition:padding-left var(--t-mid) var(--ease)}
.numlist li:first-child{border-top:1px solid var(--line-soft)}
.numlist li:hover{padding-left:10px}
.numlist .no{font-family:var(--mono);font-size:26px;color:var(--copper);letter-spacing:.04em}
.numlist h3{font-size:20px}
.numlist p{font-size:14px;color:var(--text-dim);margin-top:6px}
.numlist .tagline{font-family:var(--mono);font-size:12px;color:var(--mist);letter-spacing:.08em}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:40px 0}
.stats div strong{display:block;font-family:var(--mono);font-size:34px;color:#fff;letter-spacing:.02em}
.stats div span{display:block;margin-top:8px;font-size:14px;color:rgba(237,234,227,.66)}

/* ---------- 最新动态 ---------- */
.news-list li{border-bottom:1px solid var(--line-soft)}
.news-list li:first-child{border-top:1px solid var(--line-soft)}
.news-item{display:grid;grid-template-columns:132px 1fr auto;gap:28px;align-items:center;padding:22px 0;transition:transform var(--t-mid) var(--ease)}
.news-item:hover{transform:translateX(6px)}
.news-item img{width:132px;aspect-ratio:132/88;object-fit:cover;border-radius:var(--r-poster)}
.news-item h3{font-size:19px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .sum{margin-top:8px;font-size:14px;color:var(--text-dim);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .tags{display:flex;gap:10px;align-items:center;margin-top:12px;font-family:var(--mono);font-size:12px;color:var(--mist);letter-spacing:.06em}
.news-item .go{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-dim);transition:all var(--t-mid) var(--ease);flex:none}
.news-item:hover .go{border-color:var(--copper);color:var(--copper);transform:translateX(4px)}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-card);padding:44px 24px;text-align:center;color:var(--text-dim);font-size:15px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line-soft)}
.faq details:first-of-type{border-top:1px solid var(--line-soft)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 0;font-size:17px;font-weight:700;font-family:var(--serif);
  transition:color var(--t-mid) var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--copper-d)}
.faq .plus{position:relative;width:16px;height:16px;flex:none;transition:transform var(--t-mid) var(--ease)}
.faq .plus::before,.faq .plus::after{content:"";position:absolute;background:var(--mist);transition:background-color var(--t-mid) var(--ease)}
.faq .plus::before{left:0;right:0;top:7px;height:1px}
.faq .plus::after{top:0;bottom:0;left:7px;width:1px}
.faq details[open] .plus{transform:rotate(45deg)}
.faq details[open] .plus::before,.faq details[open] .plus::after{background:var(--copper)}
.faq .ans{padding:0 0 26px;color:var(--text-dim);max-width:720px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-block{background:var(--ink);color:var(--text-soft);text-align:center;padding:96px 0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.cta-block h2{font-size:40px;color:#fff;margin-top:18px}
.cta-block p{margin-top:18px;color:rgba(237,234,227,.74);max-width:560px;margin-left:auto;margin-right:auto}
.cta-block .actions{display:flex;gap:24px;justify-content:center;align-items:center;margin-top:36px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(237,234,227,.72);padding:80px 0 32px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.site-footer h4{font-family:var(--serif);font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;color:#fff;font-weight:600}
.site-footer .desc{margin-top:16px;max-width:280px;line-height:1.8}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{position:relative;display:inline-block;width:fit-content;transition:color var(--t-mid) var(--ease)}
.footer-links a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid) var(--ease)}
.footer-links a:hover{color:var(--copper-l)}
.footer-links a:hover::after{transform:scaleX(1)}
.sub-form{margin-top:6px}
.sub-form label{display:block;font-size:13px;color:rgba(237,234,227,.6);margin-bottom:8px}
.field{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line-dark);transition:border-color var(--t-mid) var(--ease);position:relative}
.field::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--copper);transform:scaleX(0);transform-origin:left;transition:transform var(--t-mid) var(--ease)}
.field:focus-within::after{transform:scaleX(1)}
.field input{flex:1;background:none;border:0;outline:none;padding:12px 0;color:var(--text-soft);font-size:14px}
.field input::placeholder{color:rgba(237,234,227,.4)}
.field button{color:var(--copper-l);font-weight:600;font-size:14px;white-space:nowrap}
.form-note{margin-top:10px;font-size:12px;color:rgba(237,234,227,.45)}
.form-note.is-error{color:var(--copper-l)}
.form-note.is-ok{color:var(--mint)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(237,234,227,.5)}

/* ---------- 骨架 / 加载 ---------- */
.skeleton{background:var(--paper-2);border-radius:var(--r-poster);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.55}50%{opacity:1}}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
  .rail{padding:4px 28px 28px}
  .hero__meta{right:28px}
}
@media (max-width:1023px){
  .nav{display:none}
  .burger{display:flex}
  .header-actions .btn{display:none}
  .section{padding:88px 0}
  .hero{min-height:66vh}
  .hero h1{font-size:40px}
  .featured{grid-template-columns:1fr}
  .feat-main{min-height:360px}
  .shelf{grid-template-columns:1fr;gap:28px}
  .shelf-tabs{flex-direction:row;border-left:0;border-bottom:1px solid var(--line);padding-left:0;overflow-x:auto}
  .shelf-tabs span{white-space:nowrap}
  .split{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-block h2{font-size:32px}
  .numlist li{grid-template-columns:64px 1fr;gap:18px}
  .numlist .tagline{grid-column:2;color:var(--mist)}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .rail{padding:4px 20px 24px;gap:16px}
  .rail-card{flex:0 0 85%}
  .poster{aspect-ratio:3/4}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .section-head h2{font-size:26px}
  .hero{min-height:62vh}
  .hero__inner{padding-top:104px;padding-bottom:104px}
  .hero h1{font-size:32px}
  .hero__sub{font-size:15px}
  .hero__meta{position:static;margin-top:28px;justify-content:flex-start;flex-wrap:wrap}
  .hero__meta i{display:none}
  .shelf-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stats{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .featured{gap:16px}
  .feat-main__body{padding:22px}
  .feat-main__body h3{font-size:22px}
  .feat-card{grid-template-columns:100px 1fr;gap:14px}
  .news-item{grid-template-columns:1fr;gap:14px}
  .news-item img{width:100%;aspect-ratio:16/9}
  .news-item .go{display:none}
  .cta-block{padding:64px 0}
  .cta-block h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 28px}
  .numlist .no{font-size:20px}
}
@media (max-width:479px){
  .hero h1{font-size:29px}
  .shelf-grid{grid-template-columns:1fr}
  .rail-card{flex:0 0 85%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-property:opacity,background-color,color,border-color !important;transition-duration:.001ms !important}
  .rail-card:hover,.feat-card:hover,.news-item:hover,.numlist li:hover{transform:none !important}
  .poster:hover img,.feat-main:hover img,.rail-card:hover .poster img{transform:none !important}
}

/* roulang page: article */
:root{
  --ink:#0E0F11;
  --ink-2:#1A1C1F;
  --paper:#F5F2EC;
  --paper-2:#EAE5DB;
  --card:#FFFDF9;
  --copper:#C4763A;
  --copper-deep:#8E4E1F;
  --mist:#7E8F84;
  --mint:#9FE8D0;
  --text:#23262B;
  --text-soft:#5C6167;
  --text-on-dark:#EDEAE3;
  --text-on-dark-soft:rgba(237,234,227,.66);
  --line:rgba(14,15,17,.12);
  --line-soft:rgba(14,15,17,.08);
  --line-dark:rgba(237,234,227,.16);
  --radius-poster:6px;
  --radius-card:10px;
  --radius-pill:999px;
  --radius-input:8px;
  --shadow-1:0 1px 2px rgba(14,15,17,.06);
  --shadow-2:0 12px 32px rgba(14,15,17,.14);
  --shadow-dark:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --space-section:112px;
  --container:1260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--ink);}
p{margin:0;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}
.section{padding:var(--space-section) 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.section-title{font-size:32px;}
.section-sub{margin-top:10px;font-size:14.5px;color:var(--text-soft);max-width:640px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;display:flex;align-items:center;
  background:rgba(245,242,236,.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:height .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{height:60px;border-bottom-color:var(--line);background:rgba(245,242,236,.97);}
.header-inner{display:flex;align-items:center;width:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;font-weight:600;color:var(--ink);letter-spacing:.01em;}
.brand__mark{width:16px;height:16px;border:2px solid var(--copper);border-radius:3px;position:relative;flex:none;transition:background .24s var(--ease);}
.brand__mark::after{content:"";position:absolute;right:-5px;bottom:-5px;width:6px;height:6px;border-radius:50%;background:var(--mint);opacity:0;transition:opacity .24s var(--ease);}
.brand:hover .brand__mark{background:rgba(196,118,58,.14);}
.brand:hover .brand__mark::after{opacity:1;}
.nav{display:flex;gap:32px;margin-left:56px;}
.nav-link{position:relative;padding:6px 0;font-size:14.5px;color:#3A3F45;transition:color .15s var(--ease);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--copper);transition:width .24s var(--ease);}
.nav-link::before{content:"";position:absolute;left:50%;bottom:-7px;width:4px;height:4px;border-radius:50%;background:var(--mint);transform:translateX(-50%) scale(0);transition:transform .24s var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:500;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{transform:translateX(-50%) scale(1);}
.header-actions{display:flex;align-items:center;gap:22px;margin-left:auto;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--copper-deep);transition:color .15s var(--ease);}
.link-arrow span{display:inline-block;transition:transform .24s var(--ease);}
.link-arrow:hover{color:var(--copper);}
.link-arrow:hover span{transform:translateX(4px);}
.link-arrow--light{color:var(--text-on-dark-soft);}
.link-arrow--light:hover{color:var(--mint);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease),box-shadow .24s var(--ease);
}
.btn--primary{background:var(--copper);color:#fff;box-shadow:0 1px 2px rgba(142,78,31,.24);}
.btn--primary:hover{background:var(--copper-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(142,78,31,.28);}
.btn--primary:active{transform:translateY(0);background:#7A4319;}
.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent;}
.btn--ghost:hover{background:rgba(196,118,58,.06);border-color:rgba(196,118,58,.4);transform:translateY(-1px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  background:transparent;border:0;cursor:pointer;padding:0;
  flex-direction:column;justify-content:center;align-items:flex-end;gap:7px;
}
.nav-toggle span{display:block;width:24px;height:1.5px;background:var(--ink);transition:transform .24s var(--ease),width .24s var(--ease);}
.nav-toggle.is-open span:first-child{transform:translateY(4.25px) rotate(45deg);}
.nav-toggle.is-open span:last-child{transform:translateY(-4.25px) rotate(-45deg);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--ink);
  display:flex;flex-direction:column;justify-content:center;padding:0 28px;
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-close{
  position:absolute;top:16px;right:20px;width:44px;height:44px;background:transparent;border:0;cursor:pointer;padding:0;
}
.drawer-close span{position:absolute;left:10px;top:21px;width:24px;height:1.5px;background:var(--text-on-dark);}
.drawer-close span:first-child{transform:rotate(45deg);}
.drawer-close span:last-child{transform:rotate(-45deg);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  font-family:var(--serif);font-size:30px;color:var(--text-on-dark);
  padding:12px 0;border-bottom:1px solid var(--line-dark);
  opacity:0;transform:translateY(12px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),color .15s var(--ease);
}
.drawer.is-open .drawer-nav a{opacity:1;transform:none;}
.drawer.is-open .drawer-nav a:nth-child(1){transition-delay:.04s;}
.drawer.is-open .drawer-nav a:nth-child(2){transition-delay:.08s;}
.drawer.is-open .drawer-nav a:nth-child(3){transition-delay:.12s;}
.drawer-nav a:hover{color:var(--copper);}
.drawer-foot{margin-top:36px;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:calc(72px + 64px) 0 56px;
  background-color:var(--ink);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,15,17,.86) 0%,rgba(14,15,17,.93) 100%);
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:rgba(237,234,227,.58);
  margin-bottom:32px;
}
.breadcrumb a{color:rgba(237,234,227,.78);transition:color .15s var(--ease);}
.breadcrumb a:hover{color:var(--copper);}
.breadcrumb .sep{color:rgba(237,234,227,.28);}
.breadcrumb .current{color:rgba(237,234,227,.6);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  color:var(--text-on-dark);
  font-size:40px;line-height:1.25;letter-spacing:-.01em;max-width:900px;
  animation:fadeUp .42s var(--ease) both;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;letter-spacing:.02em;background:rgba(126,143,132,.16);color:#55665C;
}
.badge--dark{background:rgba(126,143,132,.22);color:#C9D5CC;}
.badge--solid{background:var(--copper);color:#fff;font-weight:500;}
.meta{font-family:var(--mono);font-size:13px;letter-spacing:.04em;color:rgba(237,234,227,.6);}
.meta-divider{width:1px;height:14px;background:rgba(237,234,227,.2);}

/* ---------- article body ---------- */
.article-section{padding:72px 0 96px;}
.article-content{
  max-width:720px;margin:0 auto;
  font-size:16px;line-height:1.9;color:var(--text);
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.6em;}
.article-content > p:first-of-type{font-size:17.5px;color:#2C3036;}
.article-content h2{
  position:relative;font-size:32px;line-height:1.3;margin:2.2em 0 .9em;padding-left:18px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:2px;background:var(--copper);
}
.article-content h3{font-size:22px;line-height:1.35;margin:1.9em 0 .7em;}
.article-content h4{font-size:18px;margin:1.6em 0 .6em;}
.article-content ul,.article-content ol{margin:0 0 1.6em;padding-left:1.3em;}
.article-content li{margin:.5em 0;}
.article-content ul li::marker{content:"▪";color:var(--copper);font-size:.9em;}
.article-content ol li::marker{color:var(--copper);font-family:var(--mono);font-size:.9em;}
.article-content blockquote{
  margin:2em 0;padding:20px 24px;background:var(--paper-2);
  border-left:2px solid var(--copper);border-radius:0 var(--radius-input) var(--radius-input) 0;
  color:#3A3F45;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:8px;margin:2em auto;box-shadow:var(--shadow-1);}
.article-content figure{margin:2em 0;}
.article-content figcaption{
  margin-top:10px;text-align:center;font-family:var(--mono);
  font-size:12.5px;letter-spacing:.04em;color:var(--text-soft);
}
.article-content a{color:var(--copper-deep);border-bottom:1px solid rgba(196,118,58,.35);transition:border-color .15s var(--ease),color .15s var(--ease);}
.article-content a:hover{color:var(--copper);border-bottom-color:var(--copper);}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-content table{width:100%;border-collapse:collapse;margin:2em 0;font-size:15px;}
.article-content th,.article-content td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;vertical-align:top;}
.article-content th{font-weight:600;color:var(--ink);background:rgba(234,229,219,.5);}
.article-content code{
  font-family:var(--mono);font-size:.9em;background:var(--paper-2);
  padding:2px 6px;border-radius:4px;
}
.article-content strong{color:var(--ink);}

.article-foot{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:22px;}
.tag-row .label{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-soft);}
.back-row{display:flex;flex-wrap:wrap;gap:24px;align-items:center;}

.empty-state{
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-title{font-family:var(--serif);font-size:24px;color:var(--ink);font-weight:700;}
.empty-desc{margin:12px auto 24px;max-width:420px;font-size:14.5px;color:var(--text-soft);}

/* ---------- continue ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.entry-card{
  display:flex;align-items:center;gap:20px;padding:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(196,118,58,.4);}
.entry-card__media{flex:0 0 136px;height:104px;overflow:hidden;border-radius:var(--radius-poster);}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.entry-card:hover .entry-card__media img{transform:scale(1.04);}
.entry-card__body h3{font-size:20px;margin:10px 0 8px;}
.entry-card__body p{font-size:14px;line-height:1.75;color:var(--text-soft);margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:var(--text-on-dark);padding:88px 0;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);}
.cta-inner{text-align:center;max-width:720px;margin:0 auto;}
.cta-band h2{color:var(--text-on-dark);font-size:36px;}
.cta-band p{margin:18px auto 30px;font-size:15.5px;color:var(--text-on-dark-soft);max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:24px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--text-on-dark);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:72px 0 44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;font-weight:600;color:var(--text-on-dark);margin-bottom:16px;}
.footer-brand .brand__mark{border-color:var(--copper);}
.site-footer .desc{font-size:14px;line-height:1.8;color:var(--text-on-dark-soft);max-width:300px;}
.site-footer h4{font-size:14px;font-family:var(--sans);font-weight:600;color:var(--text-on-dark);letter-spacing:.06em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  position:relative;display:inline-block;width:fit-content;padding:6px 0;font-size:14px;
  color:var(--text-on-dark-soft);transition:color .15s var(--ease);
}
.footer-links a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--copper);transition:width .24s var(--ease);}
.footer-links a:hover{color:var(--copper);}
.footer-links a:hover::after{width:100%;}
.sub-form label{display:block;font-size:13px;line-height:1.7;color:var(--text-on-dark-soft);margin-bottom:14px;}
.sub-form .field{display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line-dark);transition:border-color .24s var(--ease);}
.sub-form .field:focus-within{border-bottom-color:var(--copper);}
.sub-form input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;
  padding:10px 0;font-size:14px;color:var(--text-on-dark);
}
.sub-form input::placeholder{color:rgba(237,234,227,.35);}
.sub-form button{background:transparent;border:0;padding:8px 2px;cursor:pointer;color:var(--copper);font-size:14px;transition:color .15s var(--ease);}
.sub-form button:hover{color:var(--mint);}
.form-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:rgba(237,234,227,.5);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:22px 0 34px;border-top:1px solid var(--line-dark);
  font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:rgba(237,234,227,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  :root{--space-section:88px;}
  .container{padding:0 28px;}
  .nav,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .article-title{font-size:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px;}
  .cta-band h2{font-size:30px;}
}
@media (max-width:767px){
  .article-hero{padding:calc(72px + 40px) 0 44px;}
  .article-title{font-size:30px;}
  .article-section{padding:48px 0 64px;}
  .article-content h2{font-size:26px;}
  .article-content h3{font-size:20px;}
  .entry-grid{grid-template-columns:1fr;}
  .entry-card{flex-direction:column;align-items:flex-start;}
  .entry-card__media{flex:none;width:100%;height:168px;}
  .section-title{font-size:26px;}
  .cta-band{padding:64px 0;}
  .breadcrumb .current{white-space:normal;}
}
@media (max-width:520px){
  :root{--space-section:64px;}
  .container{padding:0 20px;}
  .article-title{font-size:27px;}
  .article-content{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .cta-actions{flex-direction:column;gap:18px;}
  .drawer-nav a{font-size:25px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-property:opacity,color,background-color,border-color !important;transition-duration:.15s !important;}
  .entry-card:hover,.btn:hover{transform:none !important;}
  .entry-card:hover .entry-card__media img{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --ink:#0E0F11; --ink-2:#1A1C1F; --ink-3:#26292E;
  --paper:#F5F2EC; --paper-2:#EAE5DB; --white:#FFFFFF;
  --copper:#C4763A; --copper-deep:#8E4E1F;
  --mist:#7E8F84; --mint:#9FE8D0;
  --text:#23262B; --text-soft:#5C636B; --on-ink:#EDEAE3; --on-ink-soft:#B9B5AC;
  --line:rgba(14,15,17,.12); --line-strong:rgba(14,15,17,.22); --line-ink:rgba(237,234,227,.16);
  --r-poster:6px; --r-card:10px; --r-pill:999px; --r-input:8px;
  --sh-1:0 1px 2px rgba(14,15,17,.06);
  --sh-2:0 12px 32px rgba(14,15,17,.14);
  --sh-ink:0 12px 32px rgba(0,0,0,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t1:150ms; --t2:240ms; --t3:420ms;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --container:1260px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding-top:72px;
  font-family:var(--sans);font-size:16px;line-height:1.9;
  color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--t1) var(--ease),opacity var(--t1) var(--ease);}
a:hover{color:var(--copper);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:4px;}
.mono{font-family:var(--mono);letter-spacing:.04em;font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color var(--t2) var(--ease),box-shadow var(--t2) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:32px;height:72px;transition:height var(--t2) var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:19px;color:var(--ink);flex:none;}
.brand__mark{width:16px;height:16px;border:2px solid var(--copper);border-radius:3px;display:inline-block;position:relative;}
.brand__mark::after{content:"";position:absolute;right:-4px;bottom:-4px;width:5px;height:5px;border-radius:50%;background:var(--mint);}
.brand:hover{color:var(--copper);}
.nav{display:flex;align-items:center;gap:32px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;color:var(--text-soft);padding:6px 0;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--copper);transition:width var(--t2) var(--ease);}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{content:"";position:absolute;left:0;bottom:-5px;width:4px;height:4px;border-radius:50%;background:var(--copper);}
.header-actions{display:flex;align-items:center;gap:20px;flex:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-soft);}
.text-link .arrow{transition:transform var(--t2) var(--ease);}
.text-link:hover .arrow{transform:translateX(4px);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 24px;border-radius:var(--r-pill);font-size:14px;font-weight:600;letter-spacing:.01em;transition:transform var(--t1) var(--ease),background var(--t2) var(--ease),color var(--t2) var(--ease),box-shadow var(--t2) var(--ease),border-color var(--t2) var(--ease);}
.btn-primary{background:var(--copper);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--copper-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--ink);background:transparent;}
.btn-ghost:hover{background:rgba(196,118,58,.06);border-color:var(--copper);color:var(--copper-deep);transform:translateY(-1px);}
.btn-lg{height:50px;padding:0 32px;font-size:15px;}
.menu-toggle{display:none;width:40px;height:40px;position:relative;margin-left:auto;}
.menu-toggle span{position:absolute;left:9px;right:9px;height:1.5px;background:var(--ink);transition:transform var(--t2) var(--ease),opacity var(--t2) var(--ease);}
.menu-toggle span:first-child{top:16px;}
.menu-toggle span:last-child{top:23px;}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;background:var(--ink);color:var(--on-ink);padding:24px 20px;display:none;overflow-y:auto;}
.drawer.is-open{display:block;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px;}
.drawer__brand{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--on-ink);display:inline-flex;align-items:center;gap:10px;}
.drawer__close{width:40px;height:40px;position:relative;color:var(--on-ink);}
.drawer__close::before,.drawer__close::after{content:"";position:absolute;left:8px;right:8px;top:19px;height:1.5px;background:var(--on-ink);}
.drawer__close::before{transform:rotate(45deg);}
.drawer__close::after{transform:rotate(-45deg);}
.drawer__nav{display:flex;flex-direction:column;gap:4px;}
.drawer__nav a{font-family:var(--serif);font-size:30px;color:var(--on-ink);padding:14px 0;border-bottom:1px solid var(--line-ink);animation:drawerIn var(--t3) var(--ease) both;}
.drawer__nav a:nth-child(2){animation-delay:40ms;}
.drawer__nav a:nth-child(3){animation-delay:80ms;}
.drawer__nav a:nth-child(4){animation-delay:120ms;}
.drawer__nav a.is-active{color:var(--copper);}
@keyframes drawerIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
.drawer__foot{margin-top:40px;font-size:13px;color:var(--on-ink-soft);}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:var(--on-ink);overflow:hidden;}
.hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;}
.hero__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,15,17,.88) 0%,rgba(14,15,17,.62) 45%,rgba(14,15,17,.94) 100%);}
.hero__inner{position:relative;padding:120px 0 56px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--on-ink-soft);margin-bottom:32px;}
.crumbs a{color:var(--on-ink-soft);}
.crumbs a:hover{color:var(--copper);}
.crumbs span.sep{opacity:.5;}
.crumbs .now{color:var(--on-ink);}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mint);margin-bottom:16px;}
.hero h1{font-size:clamp(30px,4.2vw,48px);color:var(--on-ink);max-width:760px;}
.hero__sub{margin-top:20px;max-width:640px;font-size:16px;color:var(--on-ink-soft);line-height:1.9;}
.hero__meta{margin-top:28px;display:flex;flex-wrap:wrap;gap:28px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--on-ink-soft);}
.hero__meta b{color:var(--on-ink);font-weight:500;}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{height:28px;padding:0 14px;border-radius:var(--r-pill);background:var(--paper-2);color:var(--text-soft);font-size:13px;line-height:28px;display:inline-flex;align-items:center;transition:background var(--t2) var(--ease),color var(--t2) var(--ease),transform var(--t1) var(--ease);}
.chip:hover{background:#E1DACC;color:var(--ink);}
.chip.is-active{background:var(--copper);color:#fff;}
.chip.is-active:hover{background:var(--copper-deep);color:#fff;}
.hero .chip{background:rgba(237,234,227,.1);color:var(--on-ink-soft);}
.hero .chip:hover{background:rgba(237,234,227,.18);color:var(--on-ink);}
.hero .chip.is-active{background:var(--copper);color:#fff;}

/* ---------- sections ---------- */
.section{padding:112px 0;}
.section--tight{padding:72px 0 0;}
.section--paper2{background:var(--paper-2);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-title{font-size:clamp(24px,2.6vw,32px);}
.section-desc{margin-top:12px;max-width:620px;color:var(--text-soft);font-size:15px;}
.rule{height:1px;background:var(--line);}

/* ---------- stat bar ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat{padding:26px 0 26px 24px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat__num{display:block;font-size:28px;color:var(--copper-deep);font-family:var(--mono);letter-spacing:.02em;}
.stat__label{display:block;margin-top:6px;font-size:13px;color:var(--text-soft);}

/* ---------- poster grid ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-bottom:32px;}
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.poster-card{transition:transform var(--t2) var(--ease);}
.poster-card.is-hidden{display:none;}
.poster-card:hover{transform:translateY(-4px);}
.poster-card__link{display:block;}
.poster-thumb{position:relative;overflow:hidden;border-radius:var(--r-poster);background:var(--ink-2);aspect-ratio:3/4;box-shadow:var(--sh-1);transition:box-shadow var(--t2) var(--ease);}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t3) var(--ease);}
.poster-card:hover .poster-thumb{box-shadow:var(--sh-2);}
.poster-card:hover .poster-thumb img{transform:scale(1.04);}
.poster-badge{position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(14,15,17,.72);color:var(--on-ink);font-size:12px;line-height:24px;}
.poster-hover{position:absolute;inset:0;display:flex;align-items:flex-end;padding:16px;background:linear-gradient(180deg,rgba(14,15,17,0) 40%,rgba(14,15,17,.82) 100%);color:var(--on-ink);font-size:13px;letter-spacing:.02em;opacity:0;transition:opacity var(--t2) var(--ease);}
.poster-card:hover .poster-hover{opacity:1;}
.card-title{margin-top:14px;font-size:17px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{margin-top:6px;font-size:13.5px;color:var(--text-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13px;color:var(--copper-deep);}
.card-link .arrow{transition:transform var(--t2) var(--ease);}
.poster-card:hover .card-link .arrow{transform:translateX(4px);}
.empty-state{display:none;border:1px solid var(--line);border-radius:var(--r-card);padding:48px 24px;text-align:center;color:var(--text-soft);font-size:14px;}
.empty-state.is-visible{display:block;}

/* ---------- feature split ---------- */
.feature-split{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.feature-main{position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--ink);color:var(--on-ink);min-height:420px;display:flex;align-items:flex-end;}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72;transition:transform var(--t3) var(--ease);}
.feature-main:hover img{transform:scale(1.03);}
.feature-main__body{position:relative;padding:32px;background:linear-gradient(180deg,rgba(14,15,17,0) 0%,rgba(14,15,17,.9) 78%);width:100%;}
.feature-main__body h3{color:var(--on-ink);font-size:24px;}
.feature-main__body p{margin-top:10px;font-size:14px;color:var(--on-ink-soft);max-width:520px;}
.play-dot{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--mint);color:var(--mint);margin-bottom:16px;font-size:12px;}
.feature-side{display:flex;flex-direction:column;gap:24px;}
.mini-card{display:flex;gap:16px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--white);padding:14px;box-shadow:var(--sh-1);transition:transform var(--t2) var(--ease),box-shadow var(--t2) var(--ease),border-color var(--t2) var(--ease);}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(196,118,58,.4);}
.mini-card img{width:104px;height:104px;object-fit:cover;border-radius:var(--r-poster);flex:none;}
.mini-card h4{font-size:16px;line-height:1.4;}
.mini-card p{margin-top:6px;font-size:13px;color:var(--text-soft);line-height:1.7;}
.mini-card .tag{margin-top:8px;display:inline-block;font-size:12px;color:var(--mist);font-family:var(--mono);letter-spacing:.06em;}

/* ---------- timeline ---------- */
.timeline{border-top:1px solid var(--line);}
.timeline__item{display:grid;grid-template-columns:72px 1fr 140px;gap:24px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line);}
.timeline__num{font-family:var(--mono);font-size:20px;color:var(--copper);}
.timeline__item h3{font-size:19px;}
.timeline__item p{margin-top:6px;font-size:14px;color:var(--text-soft);max-width:640px;}
.timeline__time{font-family:var(--mono);font-size:12.5px;color:var(--text-soft);text-align:right;}

/* ---------- scene duo ---------- */
.scene-duo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.scene-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.scene-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;}
.scene-list{display:flex;flex-direction:column;}
.scene-list li{padding:20px 0;border-bottom:1px solid var(--line);}
.scene-list li:first-child{padding-top:0;}
.scene-list h3{font-size:18px;}
.scene-list p{margin-top:6px;font-size:14px;color:var(--text-soft);}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);max-width:920px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;transition:color var(--t2) var(--ease);}
.faq-q::-webkit-details-marker{display:none;}
.faq-q:hover{color:var(--copper-deep);}
.faq-icon{position:relative;width:16px;height:16px;flex:none;transition:transform var(--t2) var(--ease),color var(--t2) var(--ease);color:var(--mist);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;}
.faq-icon::before{left:0;right:0;top:7.5px;height:1.5px;}
.faq-icon::after{top:0;bottom:0;left:7.5px;width:1.5px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--copper);}
.faq-a{padding:0 0 24px;max-width:780px;font-size:15px;line-height:1.8;color:var(--text-soft);}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);color:var(--on-ink);text-align:center;padding:88px 0;border-top:1px solid var(--line-ink);border-bottom:1px solid var(--line-ink);}
.cta-band h2{color:var(--on-ink);font-size:clamp(26px,3vw,38px);}
.cta-band p{margin:16px auto 0;max-width:560px;color:var(--on-ink-soft);font-size:15px;}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:24px;justify-content:center;align-items:center;}
.cta-band .btn-ghost{border-color:var(--line-ink);color:var(--on-ink);}
.cta-band .btn-ghost:hover{background:rgba(237,234,227,.08);border-color:var(--copper);color:var(--on-ink);}
.cta-band .text-link{color:var(--on-ink-soft);}
.cta-band .text-link:hover{color:var(--copper);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:var(--on-ink);padding:80px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;font-weight:600;color:var(--on-ink);}
.footer-brand:hover{color:var(--copper);}
.site-footer h4{font-size:14px;font-family:var(--sans);font-weight:600;letter-spacing:.06em;color:var(--on-ink);margin-bottom:16px;}
.site-footer .desc{margin-top:16px;font-size:14px;color:var(--on-ink-soft);max-width:320px;line-height:1.8;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--on-ink-soft);display:inline-block;}
.footer-links a:hover{color:var(--copper);text-decoration:underline;text-underline-offset:4px;}
.sub-form label{display:block;font-size:13px;color:var(--on-ink-soft);margin-bottom:14px;}
.sub-form .field{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line-ink);transition:border-color var(--t2) var(--ease);}
.sub-form .field:focus-within{border-bottom-color:var(--copper);}
.sub-form input{flex:1;background:transparent;border:0;outline:none;padding:10px 0;color:var(--on-ink);font-size:14px;}
.sub-form input::placeholder{color:rgba(237,234,227,.4);}
.sub-form button{background:var(--copper);color:#fff;height:36px;padding:0 18px;border-radius:var(--r-pill);font-size:13px;font-weight:600;transition:background var(--t2) var(--ease),transform var(--t1) var(--ease);}
.sub-form button:hover{background:var(--copper-deep);transform:translateY(-1px);}
.form-note{margin-top:12px;font-size:12.5px;color:var(--on-ink-soft);}
.form-note.is-error{color:#E2A277;}
.form-note.is-ok{color:var(--mint);border-left:2px solid var(--mint);padding-left:10px;}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid var(--line-ink);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--on-ink-soft);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .nav,.header-actions{display:none;}
  .menu-toggle{display:block;}
  .poster-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
  .feature-split{grid-template-columns:1fr;}
  .scene-duo{grid-template-columns:1fr;gap:32px;}
  .section{padding:88px 0;}
  .section--tight{padding:56px 0 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .hero__inner{padding:96px 0 40px;}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
  .stat{padding:20px 0 20px 18px;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .timeline__item{grid-template-columns:48px 1fr;gap:16px;}
  .timeline__time{grid-column:2;text-align:left;}
  .section{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .mini-card img{width:84px;height:84px;}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;}
  .hero h1{font-size:30px;}
  .card-title{font-size:15.5px;}
  .card-desc{font-size:13px;}
  .cta-actions{gap:16px;}
  .btn{height:40px;padding:0 20px;}
}
@media (max-width:479px){
  .stat-bar{grid-template-columns:1fr 1fr;}
  .mini-card{flex-direction:column;}
  .mini-card img{width:100%;height:160px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  .poster-card:hover,.mini-card:hover,.btn:hover{transform:none !important;}
  .poster-card:hover .poster-thumb img,.feature-main:hover img{transform:none !important;}
}

/* roulang page: category2 */
:root{
  --ink:#0E0F11;
  --ink-2:#1A1C1F;
  --ink-3:#2A2D31;
  --paper:#F5F2EC;
  --paper-2:#EAE5DB;
  --copper:#C4763A;
  --copper-d:#8E4E1F;
  --mist:#7E8F84;
  --mint:#9FE8D0;
  --text:#23262B;
  --text-soft:#5C6268;
  --on-dark:#EDEAE3;
  --on-dark-soft:#A9AEB3;
  --line:rgba(14,15,17,.12);
  --line-dark:rgba(237,234,227,.16);
  --r-poster:6px;
  --r-card:10px;
  --r-btn:999px;
  --r-input:8px;
  --sh-1:0 1px 2px rgba(14,15,17,.06);
  --sh-2:0 12px 32px rgba(14,15,17,.14);
  --sh-dark:0 12px 32px rgba(0,0,0,.5);
  --t-fast:150ms;
  --t-base:240ms;
  --t-slow:420ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap:112px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;line-height:1.15;color:var(--ink)}

:focus-visible{outline:2px solid var(--mint);outline-offset:2px;border-radius:2px}
::selection{background:var(--copper);color:#fff}

.container{max-width:1260px;margin:0 auto;padding:0 40px}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:90;
  background:rgba(245,242,236,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;
  transition:height var(--t-base) var(--ease),border-color var(--t-base) var(--ease),background var(--t-base) var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(245,242,236,.97)}
.header__inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:72px;
  transition:height var(--t-base) var(--ease);
}
.site-header.is-scrolled .header__inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:18px;height:18px;
  border:2px solid var(--copper);
  border-radius:3px;
  position:relative;
  display:inline-block;
}
.brand__mark::after{
  content:"";position:absolute;right:-4px;bottom:-4px;
  width:6px;height:6px;border-radius:50%;
  background:var(--mint);
}
.brand__name{font-family:var(--serif);font-weight:600;font-size:20px;color:var(--ink);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-soft);
  padding:6px 0;
  transition:color var(--t-fast) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:1px;background:var(--copper);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--t-base) var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;left:50%;bottom:-4px;
  width:4px;height:4px;border-radius:50%;
  background:var(--copper);
  transform:translateX(-50%) scale(0);
  transition:transform var(--t-base) var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::before{transform:translateX(-50%) scale(1)}
.header__actions{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.text-link{
  font-size:14px;color:var(--text-soft);
  display:inline-flex;align-items:center;gap:6px;
  transition:color var(--t-fast) var(--ease);
}
.text-link .arrow{transition:transform var(--t-base) var(--ease);display:inline-block}
.text-link:hover{color:var(--copper-d)}
.text-link:hover .arrow{transform:translateX(4px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  padding:12px 26px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t-fast) var(--ease),background var(--t-base) var(--ease),color var(--t-base) var(--ease),border-color var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease);
}
.btn--primary{background:var(--copper);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--copper-d);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:rgba(196,118,58,.08);border-color:var(--copper);color:var(--copper-d);transform:translateY(-1px)}
.btn--sm{padding:9px 20px;font-size:14px}
.btn--on-dark{border-color:rgba(237,234,227,.4);color:var(--on-dark)}
.btn--on-dark:hover{background:rgba(196,118,58,.18);border-color:var(--copper);color:#fff}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}

.menu-toggle{
  display:none;
  width:40px;height:40px;
  margin-left:auto;
  position:relative;
}
.menu-toggle span{
  position:absolute;left:9px;right:9px;height:1px;background:var(--ink);
  transition:transform var(--t-base) var(--ease),opacity var(--t-fast) var(--ease);
}
.menu-toggle span:nth-child(1){top:16px}
.menu-toggle span:nth-child(2){top:23px}
.menu-toggle.is-open span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--ink);
  color:var(--on-dark);
  padding:96px 24px 40px;
  display:flex;flex-direction:column;gap:4px;
  transform:translateY(-12px);
  opacity:0;visibility:hidden;
  transition:opacity var(--t-base) var(--ease),transform var(--t-base) var(--ease),visibility var(--t-base);
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer__link{
  font-family:var(--serif);
  font-size:26px;
  padding:16px 0;
  border-bottom:1px solid var(--line-dark);
  opacity:0;transform:translateY(12px);
  transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease),color var(--t-fast) var(--ease);
}
.drawer.is-open .drawer__link{opacity:1;transform:translateY(0)}
.drawer__link:hover{color:var(--copper)}
.drawer__close{
  position:absolute;top:26px;right:24px;
  width:40px;height:40px;
}
.drawer__close::before,.drawer__close::after{
  content:"";position:absolute;left:10px;right:10px;top:20px;height:1px;background:var(--on-dark);
}
.drawer__close::before{transform:rotate(45deg)}
.drawer__close::after{transform:rotate(-45deg)}
body.drawer-open{overflow:hidden}

/* ---------- banner ---------- */
.page-banner{
  position:relative;
  margin-top:72px;
  min-height:220px;
  max-height:220px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(14,15,17,.42) 0%,rgba(14,15,17,.86) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
}
.banner__inner{padding:0 0 30px;width:100%}
.breadcrumb{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(237,234,227,.7);
  display:flex;gap:8px;align-items:center;
  margin-bottom:14px;
}
.breadcrumb a{transition:color var(--t-fast) var(--ease)}
.breadcrumb a:hover{color:var(--copper)}
.breadcrumb .sep{opacity:.5}
.banner__title{
  font-size:38px;
  color:#fff;
  letter-spacing:-.01em;
}
.banner__sub{
  margin-top:8px;
  font-size:15px;
  color:rgba(237,234,227,.82);
  max-width:720px;
}

/* ---------- sections ---------- */
.section{padding-top:var(--gap)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
  border-bottom:1px solid var(--line);
  padding-bottom:18px;
}
.section-head h2{font-size:32px}
.section-head .eyebrow{
  font-family:var(--mono);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--copper);display:block;margin-bottom:10px;
}

/* ---------- live index ---------- */
.live-layout{
  display:grid;
  grid-template-columns:236px 1fr;
  gap:56px;
  align-items:start;
}
.side-nav{position:sticky;top:104px}
.side-nav__title{
  font-family:var(--mono);
  font-size:12px;letter-spacing:.14em;
  color:var(--mist);
  margin-bottom:18px;
  text-transform:uppercase;
}
.side-link{
  display:flex;align-items:center;gap:10px;
  padding:11px 0;
  font-size:15px;
  color:var(--text-soft);
  border-bottom:1px solid var(--line);
  transition:color var(--t-fast) var(--ease),padding-left var(--t-base) var(--ease);
}
.side-link::before{
  content:"";width:5px;height:5px;border-radius:50%;
  background:var(--mist);opacity:.4;flex:0 0 auto;
  transition:background var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease);
}
.side-link:hover{color:var(--ink);padding-left:4px}
.side-link.is-current{color:var(--ink);font-weight:600}
.side-link.is-current::before{background:var(--mint);opacity:1}

.side-note{
  margin-top:28px;
  padding:18px;
  background:var(--paper-2);
  border-radius:var(--r-card);
  font-size:13px;
  line-height:1.8;
  color:var(--text-soft);
}
.side-note strong{display:block;color:var(--ink);font-family:var(--serif);font-size:15px;margin-bottom:6px}

.entries{display:grid;gap:0}
.entry{
  display:grid;
  grid-template-columns:78px 1fr 172px;
  gap:28px;
  align-items:center;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--t-base) var(--ease);
}
.entry:first-child{border-top:1px solid var(--line)}
.entry:hover{background:rgba(234,229,219,.45)}
.entry__num{
  font-family:var(--mono);
  font-size:30px;
  line-height:1;
  color:var(--copper);
  letter-spacing:.02em;
  padding-left:10px;
}
.entry__title{
  font-family:var(--serif);
  font-size:21px;
  margin-bottom:8px;
  transition:color var(--t-fast) var(--ease);
}
.entry:hover .entry__title{color:var(--copper-d)}
.entry__desc{
  font-size:14px;
  color:var(--text-soft);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry__meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:14px;
}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-btn);
  font-size:12px;
  letter-spacing:.02em;
  background:var(--paper-2);
  color:var(--mist);
}
.badge--solid{background:var(--copper);color:#fff}
.badge--live{background:rgba(159,232,208,.28);color:#2C6B57}
.meta-mono{
  font-family:var(--mono);
  font-size:12px;
  color:var(--mist);
  letter-spacing:.06em;
}
.entry__thumb{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-poster);
  aspect-ratio:16/10;
  box-shadow:var(--sh-1);
}
.entry__thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--t-slow) var(--ease);
}
.entry:hover .entry__thumb img{transform:scale(1.04)}
.entry__arrow{
  position:absolute;right:10px;bottom:10px;
  width:32px;height:32px;border-radius:50%;
  border:1px solid rgba(255,255,255,.6);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  background:rgba(14,15,17,.45);
  transition:background var(--t-base) var(--ease),transform var(--t-base) var(--ease);
}
.entry:hover .entry__arrow{background:var(--copper);transform:translateX(3px);border-color:var(--copper)}

/* ---------- perks ---------- */
.perk-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.perk-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease),border-color var(--t-base) var(--ease);
}
.perk-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(196,118,58,.4)}
.perk-card__num{
  font-family:var(--mono);
  font-size:12px;letter-spacing:.14em;color:var(--copper);
  display:block;margin-bottom:16px;
}
.perk-card__title{font-size:19px;margin-bottom:10px}
.perk-card__desc{font-size:14px;color:var(--text-soft);line-height:1.8}

/* ---------- schedule ---------- */
.schedule-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.timeline{border-top:1px solid var(--line)}
.timeline__item{
  display:grid;
  grid-template-columns:104px 1fr;
  gap:24px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:padding-left var(--t-base) var(--ease);
}
.timeline__item:hover{padding-left:6px}
.timeline__time{
  font-family:var(--mono);
  font-size:14px;
  color:var(--copper-d);
  letter-spacing:.06em;
}
.timeline__text strong{display:block;font-family:var(--serif);font-size:17px;margin-bottom:4px}
.timeline__text span{font-size:14px;color:var(--text-soft)}
.schedule-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.schedule-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.schedule-figure:hover img{transform:scale(1.04)}
.schedule-figure figcaption{
  position:absolute;inset:auto 0 0 0;
  padding:16px 18px;
  background:linear-gradient(180deg,rgba(14,15,17,0) 0%,rgba(14,15,17,.85) 100%);
  color:var(--on-dark);
  font-size:13px;
}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;
  text-align:left;
  font-family:var(--serif);
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  transition:color var(--t-fast) var(--ease);
}
.faq-q:hover{color:var(--copper-d)}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:16px;height:16px;
  transition:transform var(--t-base) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--copper);
  transition:background var(--t-fast) var(--ease);
}
.faq-icon::before{left:0;right:0;top:7.5px;height:1.5px}
.faq-icon::after{top:0;bottom:0;left:7.25px;width:1.5px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--copper-d)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height var(--t-base) var(--ease),opacity var(--t-base) var(--ease);
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1}
.faq-a p{padding:0 0 24px;font-size:15px;color:var(--text-soft);line-height:1.85;max-width:760px}

/* ---------- cta ---------- */
.cta-block{
  margin-top:var(--gap);
  background:var(--ink);
  color:var(--on-dark);
  border-top:1px solid var(--line-dark);
  border-bottom:1px solid var(--line-dark);
  padding:88px 0;
  text-align:center;
}
.cta-block h2{color:#fff;font-size:38px;margin-bottom:14px}
.cta-block p{
  max-width:640px;margin:0 auto 32px;
  color:var(--on-dark-soft);font-size:15px;
}
.cta-actions{display:flex;justify-content:center;align-items:center;gap:26px;flex-wrap:wrap}
.cta-block .text-link{color:var(--on-dark-soft)}
.cta-block .text-link:hover{color:var(--copper)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.4fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:20px;font-weight:600;color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand__mark{border-color:var(--copper)}
.site-footer .desc{font-size:14px;color:var(--on-dark-soft);line-height:1.85;max-width:300px}
.site-footer h4{
  font-family:var(--sans);
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);margin-bottom:18px;font-weight:500;
}
.footer-links{display:grid;gap:12px}
.footer-links a{
  font-size:14px;color:var(--on-dark-soft);
  position:relative;width:fit-content;
  transition:color var(--t-fast) var(--ease);
}
.footer-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:var(--copper);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t-base) var(--ease);
}
.footer-links a:hover{color:var(--copper)}
.footer-links a:hover::after{transform:scaleX(1)}
.sub-form label{display:block;font-size:13px;color:var(--on-dark-soft);margin-bottom:14px}
.sub-form .field{display:flex;align-items:flex-end;gap:14px}
.sub-form input{
  flex:1;min-width:0;
  background:transparent;border:0;
  border-bottom:1px solid var(--line-dark);
  padding:8px 0;font-size:14px;color:var(--on-dark);
  border-radius:0;
  transition:border-color var(--t-base) var(--ease);
}
.sub-form input::placeholder{color:rgba(237,234,227,.35)}
.sub-form input:focus{outline:none;border-bottom-color:var(--copper)}
.sub-form input.is-error{border-bottom-color:var(--copper);color:var(--copper)}
.sub-form button{
  border-radius:var(--r-btn);
  background:var(--copper);color:#fff;
  font-size:14px;font-weight:600;
  padding:9px 20px;flex:0 0 auto;
  transition:background var(--t-base) var(--ease),transform var(--t-fast) var(--ease);
}
.sub-form button:hover{background:var(--copper-d);transform:translateY(-1px)}
.form-note{font-size:12px;color:var(--mist);margin-top:12px}
.form-note.is-ok{color:var(--mint)}
.form-note.is-err{color:var(--copper)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;
  font-family:var(--mono);
  font-size:12px;letter-spacing:.04em;
  color:var(--on-dark-soft);
}

/* ---------- states ---------- */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:44px 24px;
  text-align:center;
  font-size:14px;color:var(--text-soft);
}
.skeleton{
  background:var(--paper-2);
  border-radius:var(--r-card);
  animation:pulse 1.6s infinite ease-in-out;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 40px}
  .perk-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  :root{--gap:88px}
  .container{padding:0 28px}
  .nav,.header__actions{display:none}
  .menu-toggle{display:block}
  .live-layout{grid-template-columns:1fr;gap:32px}
  .side-nav{position:static;display:flex;flex-wrap:wrap;gap:8px}
  .side-nav__title{width:100%;margin-bottom:8px}
  .side-link{
    border:1px solid var(--line);border-radius:var(--r-btn);
    padding:7px 16px;font-size:14px;
  }
  .side-link::before{display:none}
  .side-link.is-current{background:var(--copper);color:#fff;border-color:var(--copper)}
  .side-note{display:none}
  .entry{grid-template-columns:60px 1fr 140px;gap:20px}
  .schedule-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .page-banner{min-height:200px;max-height:200px}
  .banner__title{font-size:32px}
}
@media (max-width:767px){
  :root{--gap:64px}
  .container{padding:0 20px}
  body{font-size:15px}
  .site-header{border-bottom-color:var(--line)}
  .header__inner{height:60px}
  .page-banner{margin-top:60px;min-height:180px;max-height:200px}
  .banner__title{font-size:27px}
  .banner__sub{font-size:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:25px}
  .entry{grid-template-columns:1fr;gap:14px;padding:22px 0}
  .entry__num{font-size:22px;padding-left:0}
  .entry__thumb{aspect-ratio:16/9;order:-1}
  .perk-grid{grid-template-columns:1fr}
  .timeline__item{grid-template-columns:84px 1fr;gap:16px}
  .faq-q{font-size:16px;padding:18px 0}
  .cta-block{padding:64px 0}
  .cta-block h2{font-size:27px}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:36px}
  .site-footer{padding:56px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:479px){
  .banner__title{font-size:24px}
  .entry__title{font-size:18px}
  .timeline__item{grid-template-columns:1fr;gap:6px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-property:opacity,color,background-color,border-color !important;
    transition-duration:150ms !important;
  }
  html{scroll-behavior:auto}
  .reveal{transform:none}
  .entry:hover .entry__thumb img,.schedule-figure:hover img{transform:none}
  .perk-card:hover,.btn:hover{transform:none}
}