/* roulang page: index */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --line-strong:rgba(240,245,240,.18);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --paper-mid:#4C5C59;
  --r-card:16px;
  --r-sm:12px;
  --r-btn:10px;
  --r-thumb:8px;
  --shadow:inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px -28px rgba(0,0,0,.75);
  --shadow-up:inset 0 1px 0 rgba(255,255,255,.07), 0 32px 66px -26px rgba(0,0,0,.82);
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1280px;
  --pad-x:24px;
  --sec-y:clamp(72px,9vw,128px);
}
@media (max-width:768px){
  :root{--pad-x:16px;--sec-y:56px;}
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth;}}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
img{height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(23,163,152,.36);color:#fff;}
main [id]{scroll-margin-top:132px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);}
.section{padding:var(--sec-y) 0;}
.section--tight{padding-top:calc(var(--sec-y) * .55);}
.section--paper{background:var(--paper);color:var(--paper-ink);}
.section--ink{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- common type ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(1.6rem,2.4vw,2.25rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.24em;
  width:4px;height:1em;
  border-radius:2px;
  background:var(--brand-500);
}
.section-sub{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-mid);max-width:640px;}
.section--paper .section-sub{color:var(--paper-mid);}
.section-head__text{max-width:720px;}

.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--brand-400);white-space:nowrap;transition:color .24s var(--ease);}
.link-more svg{transition:transform .24s var(--ease);}
.link-more:hover{color:var(--brand-500);}
.link-more:hover svg{transform:translateX(4px);}
.section--paper .link-more{color:var(--brand-600);}
.section--paper .link-more:hover{color:var(--brand-500);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .26s var(--ease),background-color .26s var(--ease),border-color .26s var(--ease),color .26s var(--ease),box-shadow .26s var(--ease);
}
.btn-primary{background:var(--accent-500);color:#20100A;box-shadow:0 12px 30px -14px rgba(255,122,77,.9);}
.btn-primary:hover{background:#FF8B62;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:var(--text-hi);}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.07);transform:translateY(-2px);}
.btn-brand{background:var(--brand-500);color:#04211E;}
.btn-brand:hover{background:var(--brand-400);transform:translateY(-2px);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:9px;}
.btn-block{width:100%;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;
  height:22px;padding:0 10px;
  border-radius:999px;
  font-size:12px;letter-spacing:.04em;line-height:1;
  background:rgba(255,122,77,.14);
  border:1px solid rgba(255,122,77,.34);
  color:var(--accent-300);
  white-space:nowrap;
}
.badge--brand{background:rgba(23,163,152,.14);border-color:rgba(23,163,152,.34);color:var(--brand-400);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;color:var(--text-mid);border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.tag.is-active{color:var(--brand-400);border-color:rgba(23,163,152,.45);background:rgba(23,163,152,.12);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,16,15,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-main{display:flex;align-items:center;gap:18px;height:74px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  position:relative;
  width:30px;height:30px;border-radius:9px;
  background:var(--brand-600);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.logo-mark::after{
  content:"";position:absolute;right:6px;top:6px;
  width:8px;height:8px;border-radius:50%;
  background:var(--accent-500);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;line-height:1;}
.logo-text em{font-style:normal;font-weight:500;color:var(--text-mid);font-size:12px;letter-spacing:.08em;margin-left:8px;}

.search-form{
  display:flex;align-items:center;gap:9px;
  flex:1 1 auto;max-width:400px;height:40px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,163,152,.18);}
.search-form svg{flex:0 0 auto;color:var(--text-low);}
.search-form input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;}
.search-form input::placeholder{color:var(--text-low);}

.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;}
.nav-link{font-size:14.5px;color:var(--text-mid);position:relative;padding:4px 0;transition:color .24s var(--ease);}
.nav-link:hover{color:var(--text-hi);}
.nav-link.active{color:var(--text-hi);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--accent-500);}
.nav-cta{flex:0 0 auto;}

.channel-bar{border-top:1px solid var(--line);background:rgba(12,26,25,.7);}
.channel-scroll{display:flex;align-items:center;gap:26px;overflow-x:auto;padding:8px 0;scrollbar-width:none;-ms-overflow-style:none;}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;
  font-size:14px;color:var(--text-mid);
  padding:8px 0;
  transition:color .24s var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent-500);
  opacity:0;transform:scaleX(.35);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.channel-link:hover{color:var(--text-hi);}
.channel-link:hover::after{opacity:.55;transform:scaleX(1);}
.channel-link.active{color:var(--brand-400);font-weight:600;}
.channel-link.active::after{opacity:1;transform:scaleX(1);}

.menu-toggle{
  display:none;width:42px;height:42px;flex:0 0 auto;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--text-hi);
}
.menu-toggle:hover{border-color:var(--line-strong);background:rgba(255,255,255,.05);}

.mobile-drawer{
  position:fixed;left:0;right:0;top:0;z-index:200;
  height:70vh;
  background:var(--ink-800);
  border-bottom:1px solid var(--line-strong);
  padding:22px var(--pad-x) 32px;
  transform:translateY(-102%);
  transition:transform .32s var(--ease);
  overflow-y:auto;
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-btn);}
.drawer-group-title{font-size:12px;letter-spacing:.14em;color:var(--text-low);margin:18px 0 10px;}
.drawer-links{display:grid;gap:2px;}
.drawer-links a{padding:12px 0;font-size:15px;color:var(--text-mid);border-bottom:1px solid var(--line);}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--brand-400);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);margin-top:22px;}
.drawer-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;}
.drawer-cta{margin-top:18px;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:clamp(520px,72vh,760px);
  display:flex;align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  transition:background-image .4s var(--ease);
}
@media (prefers-reduced-motion:no-preference){
  .hero-bg{animation:heroKen 9s var(--ease) forwards;}
  @keyframes heroKen{from{transform:scale(1.05);}to{transform:scale(1);}}
}
.hero-scrim{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(to top,var(--ink-900) 2%,rgba(7,16,15,.88) 30%,rgba(7,16,15,.32) 66%,rgba(7,16,15,.6) 100%),
    linear-gradient(to right,rgba(7,16,15,.94) 0%,rgba(7,16,15,.62) 46%,rgba(7,16,15,0) 76%);
}
.hero-inner{
  position:relative;
  padding-top:clamp(96px,14vw,150px);
  padding-bottom:clamp(44px,6vw,76px);
}
.hero-copy{max-width:720px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;
  color:var(--accent-300);
  background:rgba(255,122,77,.12);
  border:1px solid rgba(255,122,77,.32);
}
.hero h1{
  margin-top:20px;
  font-size:clamp(2.2rem,5vw,4.2rem);
  font-weight:800;
  line-height:1.06;
  letter-spacing:-.01em;
}
.hero-sub{
  margin-top:20px;
  max-width:540px;
  font-size:clamp(1rem,1.3vw,1.15rem);
  line-height:1.8;
  color:var(--text-mid);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.hero-thumbs{
  position:absolute;right:0;bottom:clamp(44px,6vw,76px);
  display:flex;gap:10px;
}
.hero-thumb{
  position:relative;
  width:112px;aspect-ratio:16/9;
  border-radius:var(--r-thumb);
  overflow:hidden;
  border:1px solid var(--line-strong);
  opacity:.55;
  transition:opacity .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease);
}
.hero-thumb img{width:100%;height:100%;object-fit:cover;}
.hero-thumb:hover{opacity:.9;transform:translateY(-3px);}
.hero-thumb.is-active{opacity:1;border-color:rgba(44,196,180,.7);}
.hero-thumb.is-active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent-500);}

/* ---------- rails & cards ---------- */
.rail{
  display:flex;gap:18px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:18px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail > *{scroll-snap-align:start;flex:0 0 auto;}

.card{
  position:relative;
  width:clamp(164px,22vw,250px);
  display:block;
  border-radius:var(--r-card);
  background:var(--ink-700);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.card:hover,.card:focus-visible{transform:translateY(-4px);border-color:rgba(23,163,152,.42);box-shadow:var(--shadow-up);}
.card-media{position:relative;overflow:hidden;background:var(--ink-800);}
.card--portrait .card-media{aspect-ratio:2/3;}
.card--wide{width:clamp(248px,26vw,340px);}
.card--wide .card-media{aspect-ratio:16/9;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .badge{position:absolute;top:10px;left:10px;}
.card-body{padding:14px 16px 18px;}
.card-title{
  font-size:15px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s var(--ease);
}
.card:hover .card-title{color:var(--brand-400);}
.card-meta{
  margin-top:8px;
  font-size:12px;letter-spacing:.04em;color:var(--text-low);
  font-variant-numeric:tabular-nums;
}
.card-meta span + span::before{content:"·";margin:0 6px;color:var(--text-low);}

/* ---------- hot recommend ---------- */
.hot-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.hot-lead{
  position:relative;display:flex;align-items:flex-end;
  min-height:352px;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
.hot-lead:hover{border-color:rgba(23,163,152,.42);transform:translateY(-4px);}
.hot-lead > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.hot-lead:hover > img{transform:scale(1.04);}
.hot-lead-scrim{position:absolute;inset:0;background:linear-gradient(to top,rgba(7,16,15,.95) 4%,rgba(7,16,15,.5) 52%,rgba(7,16,15,.1) 100%);}
.hot-lead-body{position:relative;padding:30px;max-width:560px;}
.hot-lead-body h3{margin-top:14px;font-size:clamp(1.4rem,2.1vw,1.9rem);font-weight:700;line-height:1.3;}
.hot-lead-body p{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--text-mid);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-lead-meta{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--text-low);font-variant-numeric:tabular-nums;}
.hot-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.hot-item{
  display:flex;gap:16px;align-items:center;
  padding:16px;
  border-radius:var(--r-sm);
  background:var(--ink-800);
  border:1px solid var(--line);
  transition:transform .26s var(--ease),border-color .26s var(--ease),background-color .26s var(--ease);
}
.hot-item:hover{transform:translateY(-3px);border-color:rgba(23,163,152,.42);background:var(--ink-700);}
.hot-item img{width:104px;height:68px;flex:0 0 auto;object-fit:cover;border-radius:var(--r-thumb);}
.hot-item-body{min-width:0;}
.hot-item-body h3{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .24s var(--ease);}
.hot-item:hover .hot-item-body h3{color:var(--brand-400);}
.hot-item-body p{margin-top:6px;font-size:13px;color:var(--text-low);font-variant-numeric:tabular-nums;}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.news-lead{
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--ink-800);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:border-color .28s var(--ease),transform .28s var(--ease);
}
.news-lead:hover{border-color:rgba(23,163,152,.42);transform:translateY(-4px);}
.news-lead-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.news-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.news-lead:hover .news-lead-media img{transform:scale(1.04);}
.news-lead-body{padding:24px 26px 28px;}
.news-lead-title{margin-top:14px;font-size:clamp(1.15rem,1.7vw,1.5rem);font-weight:700;line-height:1.4;transition:color .24s var(--ease);}
.news-lead:hover .news-lead-title{color:var(--brand-400);}
.news-lead-excerpt{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--text-mid);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead-meta{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12.5px;color:var(--text-low);font-variant-numeric:tabular-nums;}
.news-readmore{display:inline-flex;align-items:center;gap:6px;color:var(--brand-400);font-weight:500;}

.news-list{border-top:1px solid var(--line);}
.news-item{border-bottom:1px solid var(--line);}
.news-item-link{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 12px;
  transition:background-color .24s var(--ease);
}
.news-item-link:hover{background:rgba(255,255,255,.03);}
.news-num{flex:0 0 auto;min-width:26px;font-size:12px;letter-spacing:.08em;color:var(--text-low);font-variant-numeric:tabular-nums;padding-top:3px;}
.news-item-main{flex:1;min-width:0;}
.news-item-title{display:block;font-size:15px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .24s var(--ease);}
.news-item-link:hover .news-item-title{color:var(--brand-400);}
.news-item-excerpt{display:block;margin-top:6px;font-size:13px;line-height:1.7;color:var(--text-low);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-item-meta{display:flex;align-items:center;gap:10px;margin-top:9px;font-size:12px;color:var(--text-low);font-variant-numeric:tabular-nums;}
.news-arrow{flex:0 0 auto;color:var(--text-low);font-size:15px;padding-top:2px;transition:transform .24s var(--ease),color .24s var(--ease);}
.news-item-link:hover .news-arrow{transform:translateX(4px);color:var(--brand-400);}

.news-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:64px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  color:var(--text-low);
  text-align:center;
}
.news-empty p{font-size:14.5px;}

/* ---------- paper section ---------- */
.section--paper .card,
.section--paper .news-lead{background:#fff;border-color:rgba(18,32,31,.1);box-shadow:0 20px 44px -30px rgba(18,32,31,.5);}
.paper-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.paper-card{
  display:block;
  background:#fff;
  border:1px solid rgba(18,32,31,.09);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.paper-card:hover{transform:translateY(-4px);box-shadow:0 28px 52px -30px rgba(18,32,31,.55);border-color:rgba(14,124,116,.4);}
.paper-card-media{aspect-ratio:16/9;overflow:hidden;}
.paper-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.paper-card:hover .paper-card-media img{transform:scale(1.04);}
.paper-card-body{padding:22px 22px 26px;}
.paper-card-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--paper-ink);}
.paper-card-body p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--paper-mid);}
.paper-card-meta{margin-top:14px;font-size:12px;letter-spacing:.04em;color:#7C8C89;font-variant-numeric:tabular-nums;}
.editor-note{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px 26px;
  margin-bottom:32px;
  background:rgba(18,32,31,.045);
  border-left:3px solid var(--brand-500);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.editor-note p{font-size:15px;line-height:1.85;color:var(--paper-mid);}
.editor-note strong{color:var(--paper-ink);}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  font-size:16.5px;font-weight:600;
  cursor:pointer;list-style:none;
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;font-weight:400;color:var(--brand-400);
  transition:transform .2s var(--ease),color .24s var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand-400);}
.faq-answer{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--text-mid);max-width:700px;}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:center;}
.cta-scrim{position:absolute;inset:0;background:linear-gradient(to right,rgba(7,16,15,.96) 0%,rgba(7,16,15,.78) 55%,rgba(7,16,15,.6) 100%);}
.cta-inner{position:relative;max-width:720px;margin:0 auto;text-align:center;padding:clamp(64px,8vw,110px) 0;}
.cta-inner h2{font-size:clamp(1.6rem,2.6vw,2.35rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.cta-inner p{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--text-mid);}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding-top:clamp(56px,7vw,88px);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-mid);max-width:320px;}
.footer-title{font-size:13.5px;font-weight:600;letter-spacing:.06em;color:var(--text-hi);margin-bottom:18px;}
.footer-links li + li{margin-top:10px;}
.footer-links a{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease),text-underline-offset .2s var(--ease);}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px;}
.footer-contact li + li{margin-top:10px;}
.footer-contact span{display:block;font-size:12px;letter-spacing:.06em;color:var(--text-low);}
.footer-contact strong{font-size:14px;font-weight:500;color:var(--text-hi);}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-low);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a:hover{color:var(--brand-400);}

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none;}
  .hero-bg{animation:none;}
  *{scroll-behavior:auto !important;}
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-links{gap:16px;}
  .hero-thumbs{position:static;margin-top:32px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .search-form{max-width:300px;}
  .hot-grid,.news-grid{grid-template-columns:1fr;}
  .hot-side{grid-template-rows:auto auto;}
  .paper-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:768px){
  .nav-main{height:62px;gap:12px;}
  .search-form{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .logo-text{font-size:17px;}
  .logo-text em{display:none;}
  .hero{min-height:500px;}
  .hero-thumbs{flex-wrap:wrap;gap:8px;}
  .hero-thumb{width:88px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .card{width:clamp(150px,44vw,200px);}
  .card--wide{width:clamp(220px,72vw,300px);}
  .news-lead-body{padding:20px 20px 24px;}
  .paper-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;height:48px;}
  .hot-lead{min-height:300px;}
  .hot-lead-body{padding:22px;}
  .hot-item{flex-direction:column;align-items:flex-start;}
  .hot-item img{width:100%;height:150px;}
  .footer-grid{grid-template-columns:1fr;}
  .news-item-excerpt{display:none;}
  .editor-note{flex-direction:column;gap:10px;}
}

/* roulang page: article */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --line-strong:rgba(240,245,240,.18);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --danger:#FF6B5E;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px -28px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-600);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:16px;top:12px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,16,15,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-main{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 7px 7px 8px;
  border-top:2px solid rgba(255,255,255,.9);
  border-right:2px solid rgba(255,255,255,.9);
  border-radius:2px;transform:rotate(45deg);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.01em}
.logo-text em{font-style:normal;color:var(--brand-400)}
.search-form{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:999px;padding:6px 6px 6px 16px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.search-form:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(23,163,152,.22)}
.search-form input{
  flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--text-hi);min-width:0;
}
.search-form input::placeholder{color:var(--text-low)}
.search-form button{
  flex:none;border:0;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.07);color:var(--text-mid);
  font-size:13px;padding:7px 14px;transition:background .2s var(--ease),color .2s var(--ease);
}
.search-form button:hover{background:rgba(255,255,255,.12);color:var(--text-hi)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--accent-500);color:#231008;box-shadow:0 12px 26px -14px rgba(255,122,77,.9)}
.btn-primary:hover{background:#ff8b64;transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,122,77,.95)}
.btn-ghost{border-color:rgba(244,247,244,.32);color:var(--text-hi);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:rgba(255,255,255,.04);cursor:pointer;
  align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text-hi);position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-hi);
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}

/* ---------- Channel tabs ---------- */
.channel-bar{border-top:1px solid var(--line);background:rgba(12,26,25,.6)}
.channel-inner{display:flex;align-items:center;gap:16px}
.nav-links{
  display:flex;align-items:center;gap:24px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;padding:2px 0;
}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;flex:none;padding:13px 0;font-size:14px;color:var(--text-mid);
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--accent-500);opacity:0;transform:scaleX(.4);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{opacity:.5;transform:scaleX(1)}
.nav-link.active{color:var(--brand-400);font-weight:600}
.nav-link.active::after{opacity:1;transform:scaleX(1)}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:var(--ink-800);
  padding:18px 24px 24px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .search-form{max-width:none;margin-bottom:16px}
.mobile-drawer .drawer-links{display:grid;gap:4px;margin-bottom:16px}
.mobile-drawer .drawer-links a{
  padding:12px 4px;border-bottom:1px solid var(--line);color:var(--text-mid);font-size:15px;
}
.mobile-drawer .drawer-links a.active{color:var(--brand-400)}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding:64px 0 56px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,15,.72) 0%,rgba(7,16,15,.86) 55%,var(--ink-900) 100%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,16,15,.92) 0%,rgba(7,16,15,.55) 58%,rgba(7,16,15,.2) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.04em;color:var(--text-low);margin-bottom:20px}
.breadcrumb a{color:var(--text-mid);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb .sep{color:var(--text-low);opacity:.7}
.breadcrumb .current{color:var(--text-low)}
.channel-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-400);margin-bottom:16px;
}
.channel-label::before{content:"";width:12px;height:3px;border-radius:2px;background:var(--brand-500)}
.article-hero h1{
  font-size:clamp(2rem,4vw,3.2rem);line-height:1.16;font-weight:800;letter-spacing:-.01em;
  max-width:920px;margin-bottom:22px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:12.5px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-low);opacity:.6}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  background:rgba(255,122,77,.14);border:1px solid rgba(255,122,77,.38);color:var(--accent-300);
}
.badge-teal{background:rgba(23,163,152,.14);border-color:rgba(23,163,152,.4);color:var(--brand-400)}

/* ---------- Layout ---------- */
main{padding-bottom:0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:64px;
  padding:64px 0 72px;
}
.article-main{min-width:0;max-width:800px}
.lead-quote{
  position:relative;padding:4px 0 4px 20px;margin-bottom:40px;
  font-size:17px;line-height:1.9;color:var(--text-mid);
}
.lead-quote::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--brand-500);
}
.section-line{
  display:flex;align-items:center;gap:14px;margin:0 0 20px;
}
.section-line h2{font-size:1.2rem;font-weight:700;letter-spacing:.01em}
.section-line i{display:block;width:12px;height:3px;border-radius:2px;background:var(--brand-500)}

/* ---------- Article body ---------- */
.article-content{font-size:16.5px;line-height:1.9;color:#DDE5E2}
.article-content>*+*{margin-top:1.4em}
.article-content h2{
  font-size:1.45rem;font-weight:700;color:var(--text-hi);line-height:1.4;
  margin-top:2.2em;padding-left:14px;position:relative;scroll-margin-top:130px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--brand-500);
}
.article-content h3{font-size:1.15rem;font-weight:600;color:var(--text-hi);margin-top:1.8em}
.article-content p{margin-top:1.4em}
.article-content strong{color:var(--text-hi)}
.article-content a{color:var(--brand-400);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent-300)}
.article-content ul,.article-content ol{margin-top:1.2em;padding-left:2px}
.article-content ul li,.article-content ol li{position:relative;padding-left:22px;margin-top:.65em;color:var(--text-mid)}
.article-content ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand-500);
}
.article-content ol{counter-reset:li}
.article-content ol li::before{
  counter-increment:li;content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;color:var(--brand-500);font-size:12.5px;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.article-content blockquote{
  margin:1.8em 0;padding:18px 22px;border-left:3px solid var(--accent-500);
  background:rgba(255,255,255,.03);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-mid);
}
.article-content img{border-radius:var(--radius-card);margin:1.8em auto;box-shadow:var(--shadow-card)}
.article-content figure{margin:1.8em 0}
.article-content figcaption{font-size:13px;color:var(--text-low);text-align:center;margin-top:10px}
.article-content pre{
  overflow-x:auto;padding:18px 20px;border-radius:var(--radius-sm);
  background:var(--ink-800);border:1px solid var(--line);font-size:14px;line-height:1.7;
}
.article-content code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em}
.article-content table{width:100%;border-collapse:collapse;font-size:14.5px;margin:1.8em 0}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-content th{background:var(--ink-800);color:var(--text-hi);font-weight:600}
.article-content td{color:var(--text-mid)}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state svg{margin:0 auto 16px;color:var(--brand-500)}
.empty-state p{color:var(--text-mid);margin-bottom:20px}

/* ---------- Tags ---------- */
.tag-group{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;
  font-size:13px;color:var(--text-mid);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{color:var(--brand-400);border-color:rgba(23,163,152,.45);transform:translateY(-2px)}

/* ---------- TOC ---------- */
.toc-wrap{position:sticky;top:132px;align-self:start}
.toc-title{font-size:12.5px;letter-spacing:.14em;color:var(--text-low);margin-bottom:14px}
.toc-list{border-left:1px solid var(--line);display:grid;gap:2px}
.toc-list a{
  display:block;padding:7px 0 7px 14px;font-size:13.5px;line-height:1.6;color:var(--text-low);
  border-left:2px solid transparent;margin-left:-1px;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--brand-400);border-left-color:var(--brand-500)}
.mini-panel{
  margin-top:28px;padding:18px;border-radius:var(--radius-card);
  background:var(--ink-800);border:1px solid var(--line);
}
.mini-panel p{font-size:13px;color:var(--text-mid);margin-bottom:12px}
.mini-panel .btn{width:100%;height:38px;font-size:13px}

/* ---------- Related ---------- */
.related{padding:8px 0 84px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.related-head h2{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:700;position:relative;padding-left:16px}
.related-head h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;background:var(--brand-500)}
.related-head .more{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease)}
.related-head .more:hover{color:var(--brand-400)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--ink-700);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-800)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;backdrop-filter:blur(4px);background:rgba(255,122,77,.2)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:1.02rem;font-weight:600;line-height:1.5}
.card:hover .card-body h3{color:var(--brand-400)}
.card-body p{font-size:14px;color:var(--text-mid);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-low);font-variant-numeric:tabular-nums;margin-top:auto}

/* ---------- FAQ ---------- */
.faq-section{background:var(--paper);color:var(--paper-ink);padding:72px 0}
.faq-section .section-head{max-width:820px;margin:0 auto 32px}
.faq-section h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;color:var(--paper-ink);margin-bottom:10px}
.faq-section .section-head p{color:#4d5c59;font-size:15px}
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{border-bottom:1px solid rgba(18,32,31,.14)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--paper-ink);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .plus{
  flex:none;width:22px;height:22px;position:relative;transition:transform .2s var(--ease);
}
.faq-list summary .plus::before,.faq-list summary .plus::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-list summary .plus::before{left:0;right:0;top:10px;height:2px}
.faq-list summary .plus::after{top:0;bottom:0;left:10px;width:2px;transition:transform .2s var(--ease)}
.faq-list details[open] summary .plus{transform:rotate(90deg)}
.faq-list details[open] summary .plus::after{transform:scaleY(0)}
.faq-list .answer{padding:0 0 22px;font-size:15px;line-height:1.8;color:#46544f;max-width:760px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  padding:88px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,15,.86),rgba(7,16,15,.94));
}
.cta-band .container{position:relative;z-index:2;text-align:center;max-width:760px}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.4rem);font-weight:800;margin-bottom:16px;letter-spacing:-.01em}
.cta-band p{color:var(--text-mid);font-size:16px;margin-bottom:30px}
.cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.cta-actions .btn{height:48px;padding:0 26px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px}
.footer-brand p{color:var(--text-mid);font-size:14px;line-height:1.85;margin-top:16px;max-width:340px}
.footer-title{font-size:12.5px;letter-spacing:.14em;color:var(--text-low);margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:3px}
.footer-contact{display:grid;gap:14px}
.footer-contact li span{display:block;font-size:12.5px;color:var(--text-low);margin-bottom:2px}
.footer-contact li strong{font-size:14px;font-weight:500;color:var(--text-mid)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-low);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{transition:color .2s var(--ease)}
.footer-bottom nav a:hover{color:var(--brand-400)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc-wrap{display:none}
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .search-form{display:none}
  .header-actions .btn-cta{display:none}
  .menu-toggle{display:inline-flex}
  .header-main{height:60px;gap:14px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .article-hero{padding:44px 0 40px}
  .article-layout{padding:44px 0 52px}
  .article-content{font-size:16px}
  .related{padding-bottom:64px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .faq-section{padding:56px 0}
  .cta-band{padding:64px 0}
  .site-footer{padding:48px 0 20px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .article-hero h1{font-size:1.75rem}
  .nav-links{gap:18px}
  .nav-link{font-size:13.5px;padding:12px 0}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .btn{width:auto}
  .meta-row{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --paper-mid:#41514F;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px -28px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,16,15,.9);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:24px;
  height:72px;
  position:relative;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:24px;height:24px;border-radius:50%;
  background:radial-gradient(circle at 34% 32%,var(--brand-400) 0%,var(--brand-600) 62%,#0A4F4A 100%);
  box-shadow:0 0 0 1px rgba(44,196,180,.35),0 0 18px -4px rgba(23,163,152,.8);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;top:6px;left:14px;width:5px;height:5px;border-radius:50%;
  background:var(--accent-500);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--text-hi)}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-link{
  padding:8px 13px;border-radius:var(--radius-btn);
  font-size:15px;color:var(--text-mid);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link:hover{color:var(--text-hi);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand-400);background:rgba(23,163,152,.14);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;justify-self:end}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;min-width:210px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.header-search svg{flex:0 0 auto;opacity:.6}
.header-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text-hi);
}
.header-search input::placeholder{color:var(--text-low)}
.header-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(23,163,152,.35)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  padding:10px 20px;
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent-500);color:#1A0B04}
.btn-primary:hover{background:#FF8D66;transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(244,247,244,.4);color:var(--text-hi)}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);transform:translateY(-1px)}
.btn-sm{padding:8px 16px;font-size:14px}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-hi);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-hi);border-radius:2px;
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* ---------- channel tabs ---------- */
.channel-bar{border-top:1px solid var(--line)}
.channel-tabs{
  display:flex;align-items:center;gap:26px;
  overflow-x:auto;padding:11px 0;
  scrollbar-width:none;
}
.channel-tabs::-webkit-scrollbar{display:none}
.channel-tab{
  position:relative;flex:0 0 auto;
  font-size:13.5px;letter-spacing:.04em;
  color:var(--text-mid);padding-bottom:4px;
  transition:color .24s var(--ease);
}
.channel-tab::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.channel-tab:hover{color:var(--text-hi)}
.channel-tab:hover::after{transform:scaleX(.5)}
.channel-tab.is-active{color:var(--brand-400);font-weight:600}
.channel-tab.is-active::after{transform:scaleX(1)}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.38;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,16,15,.96) 0%,rgba(7,16,15,.86) 46%,rgba(7,16,15,.5) 100%),
             linear-gradient(0deg,var(--ink-900) 2%,rgba(7,16,15,0) 62%);
}
.page-hero-inner{position:relative;z-index:2;padding:70px 0 54px;max-width:780px}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.04em;color:var(--text-low);
}
.breadcrumb a{color:var(--text-mid)}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb .sep{color:var(--text-low)}
.breadcrumb .current{color:var(--text-low)}
h1{
  font-size:clamp(2rem,4.2vw,3.3rem);
  line-height:1.1;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 14px;
}
.hero-lead{color:var(--text-mid);font-size:clamp(15px,1.6vw,17px);line-height:1.8;max-width:640px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.stat-num{
  font-size:26px;font-weight:700;color:var(--brand-400);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.stat-label{font-size:12.5px;letter-spacing:.04em;color:var(--text-low)}

/* ---------- section shells ---------- */
.section{padding:clamp(60px,7.5vw,104px) 0}
.section-tight{padding-top:clamp(40px,5vw,64px)}
.section-paper{background:var(--paper);color:var(--paper-ink)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:30px;
}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(1.5rem,2.3vw,2.05rem);font-weight:700;line-height:1.3;letter-spacing:-.005em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  border-radius:2px;background:var(--brand-500);
}
.section-title.accent::before{background:var(--accent-500)}
.section-sub{margin-top:10px;color:var(--text-mid);font-size:14.5px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--brand-400);font-weight:600;
}
.link-more .arrow{transition:transform .24s var(--ease)}
.link-more:hover .arrow{transform:translateX(4px)}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;gap:10px;overflow-x:auto;
  padding:2px 0 16px;scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  padding:8px 17px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  font-size:13.5px;color:var(--text-mid);
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.chip:hover{color:var(--text-hi);border-color:rgba(23,163,152,.55)}
.chip.is-active{
  background:rgba(23,163,152,.16);
  border-color:var(--brand-500);
  color:var(--brand-400);font-weight:600;
}
.result-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  padding:16px 0;border-top:1px solid var(--line);
}
.result-count{font-size:13.5px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums}
.result-count strong{color:var(--text-hi);font-weight:600}
.sort-wrap{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-low)}
.sort-select{
  padding:8px 14px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  font-size:13.5px;color:var(--text-hi);
}
.sort-select:hover{border-color:var(--brand-500)}

/* ---------- poster grid ---------- */
.poster-grid{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  gap:26px 20px;margin-top:26px;
}
.poster-card{display:block}
.poster-media{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  aspect-ratio:2/3;background:var(--ink-700);
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.poster-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .32s var(--ease);
}
.poster-card:hover .poster-media{transform:translateY(-4px)}
.poster-card:hover .poster-media img{transform:scale(1.04)}
.poster-card:focus-visible .poster-media,.poster-card:hover .poster-media{
  box-shadow:inset 0 0 0 1px rgba(44,196,180,.45),0 24px 60px -28px rgba(0,0,0,.8);
}
.poster-badge{
  position:absolute;top:10px;left:10px;
  padding:3px 10px;border-radius:999px;
  font-size:11.5px;letter-spacing:.04em;color:var(--accent-300);
  background:rgba(255,122,77,.16);
  border:1px solid rgba(255,122,77,.5);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}
.poster-title{
  margin:12px 0 4px;font-size:15px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s var(--ease);
}
.poster-card:hover .poster-title{color:var(--brand-400)}
.poster-meta{font-size:12.5px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums}

/* ---------- pagination ---------- */
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:46px}
.page-btn{
  min-width:40px;height:40px;padding:0 12px;
  display:grid;place-items:center;border-radius:var(--radius-btn);
  border:1px solid var(--line);color:var(--text-mid);font-size:14px;
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.page-btn:hover{border-color:var(--brand-500);color:var(--brand-400)}
.page-btn.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#04100F;font-weight:700}
.page-btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- pick cards ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.pick-card{
  display:flex;flex-direction:column;
  background:var(--ink-800);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.pick-card:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.5)}
.pick-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);position:relative}
.pick-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.pick-card:hover .pick-media img{transform:scale(1.04)}
.pick-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:999px;
  font-size:11.5px;letter-spacing:.04em;
  background:rgba(23,163,152,.14);
  border:1px solid rgba(23,163,152,.4);
  color:var(--brand-400);
  align-self:flex-start;
}
.tag.warm{background:rgba(255,122,77,.14);border-color:rgba(255,122,77,.45);color:var(--accent-300)}
.pick-title{font-size:17px;font-weight:600;line-height:1.5}
.pick-desc{font-size:14px;color:var(--text-mid);line-height:1.8}
.pick-foot{margin-top:auto;padding-top:6px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(18,32,31,.14)}
.faq-item:first-child{border-top:1px solid rgba(18,32,31,.14)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;font-size:16.5px;font-weight:600;color:var(--paper-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(18,32,31,.3);
  display:grid;place-items:center;position:relative;
  transition:transform .2s var(--ease),border-color .2s var(--ease);
  margin-top:3px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:rgba(18,32,31,.65);border-radius:2px;
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--brand-600)}
.faq-answer{
  padding:0 40px 22px 0;font-size:15px;line-height:1.85;color:var(--paper-mid);max-width:720px;
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:clamp(64px,8vw,104px) 0;text-align:center;
}
.cta-band-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.32;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(23,163,152,.28) 0%,rgba(7,16,15,.94) 62%),rgba(7,16,15,.72);
}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:clamp(1.6rem,2.6vw,2.3rem);font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.cta-inner p{color:var(--text-mid);font-size:15.5px;margin-bottom:30px}
.cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--text-mid);font-size:14px;line-height:1.85;max-width:330px}
.footer-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--text-hi);margin-bottom:16px;
}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--text-mid);font-size:14px;transition:color .24s var(--ease)}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px}
.footer-contact{display:grid;gap:14px}
.footer-contact span{display:block;font-size:12.5px;color:var(--text-low)}
.footer-contact strong{display:block;font-size:14px;font-weight:500;color:var(--text-hi)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:20px 0 34px;
  font-size:13px;color:var(--text-low);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:var(--text-low);transition:color .24s var(--ease)}
.footer-bottom a:hover{color:var(--brand-400)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .poster-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:1024px){
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:992px){
  .header-inner{grid-template-columns:auto 1fr auto;height:64px;gap:14px}
  .hamburger{display:flex}
  .header-search{display:none}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 24px 20px;
    background:var(--ink-800);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.9);
  }
  .site-header.nav-open .nav-links{display:flex}
  .nav-link{padding:11px 12px;font-size:15px}
  .header-actions .btn-primary{display:none}
  .channel-tabs{gap:20px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .pick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .page-hero-inner{padding:46px 0 38px}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px}
  .pick-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 32px;gap:30px}
  .footer-bottom{padding:18px 0 30px}
  .section-head{margin-bottom:24px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .logo-text{font-size:16.5px}
  .stat-num{font-size:22px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .cta-actions .btn{width:100%;height:48px}
  .poster-title{font-size:14px}
  .faq-item summary{font-size:15.5px}
  .faq-answer{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --paper-line:rgba(18,32,31,.12);
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.05),0 24px 60px -28px rgba(0,0,0,.75);
  --shadow-soft:0 18px 44px -26px rgba(0,0,0,.8);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul,ol,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:99;background:var(--brand-500);color:#04120f;padding:10px 18px;border-radius:var(--radius-btn);font-size:14px;font-weight:600;transition:top .22s var(--ease)}
.skip-link:focus{top:12px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,16,15,.88);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;letter-spacing:-.01em;color:var(--text-hi)}
.logo-mark{position:relative;width:26px;height:26px;border-radius:9px;background:radial-gradient(circle at 30% 25%,var(--brand-400),var(--brand-600) 62%,#0a4a45);box-shadow:0 0 0 1px rgba(44,196,180,.3),0 10px 22px -12px rgba(44,196,180,.9)}
.logo-mark::after{content:"";position:absolute;right:5px;bottom:5px;width:8px;height:8px;border-radius:50%;background:var(--accent-500)}
.logo-text{font-size:19px}
.search-box{display:flex;align-items:center;gap:6px;flex:1 1 auto;max-width:420px;margin-left:auto;height:42px;padding:0 6px 0 16px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-pill);transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(23,163,152,.35)}
.search-box input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text-hi);font-size:14px}
.search-box input::placeholder{color:var(--text-low)}
.search-box button{height:30px;padding:0 14px;border:0;border-radius:var(--radius-pill);background:var(--ink-700);color:var(--text-mid);font-size:13px;cursor:pointer;transition:background .2s,color .2s}
.search-box button:hover{background:var(--brand-600);color:var(--text-hi)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease)}
.btn-accent{background:var(--accent-500);color:#1b0d06}
.btn-accent:hover{background:var(--accent-300);transform:translateY(-2px);box-shadow:0 16px 32px -18px rgba(255,122,77,.95)}
.btn-ghost{background:rgba(255,255,255,.02);border-color:rgba(244,247,244,.28);color:var(--text-hi)}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.menu-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);background:rgba(255,255,255,.03);cursor:pointer}
.menu-toggle__bars{position:relative;width:18px;height:2px;border-radius:2px;background:var(--text-hi)}
.menu-toggle__bars::before,.menu-toggle__bars::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text-hi)}
.menu-toggle__bars::before{top:-6px}
.menu-toggle__bars::after{top:6px}
.channelbar{border-top:1px solid var(--line)}
.channelbar-inner{display:flex;align-items:center;height:44px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.nav-links{display:flex;align-items:center;gap:26px;white-space:nowrap}
.nav-link{position:relative;display:inline-block;padding:13px 0;font-size:14px;color:var(--text-mid);transition:color .22s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:7px;width:22px;height:2px;border-radius:2px;background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-400);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.drawer{display:none;border-top:1px solid var(--line);background:rgba(7,16,15,.98);padding:18px 0 24px}
.drawer[hidden]{display:none}
.drawer-inner{display:flex;flex-direction:column;gap:14px}
.drawer-search{display:flex;align-items:center;height:46px;padding:0 6px 0 16px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-pill)}
.drawer-search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--text-hi);font-size:14px}
.drawer-note{font-size:13px;color:var(--text-low)}

/* ============ 面包屑 ============ */
.breadcrumb{margin-bottom:18px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.04em;color:var(--text-low)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-low)}
.breadcrumb a{color:var(--text-mid);transition:color .2s}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb [aria-current="page"]{color:var(--text-low)}

/* ============ 频道首屏 ============ */
.channel-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(7,16,15,.55) 0%,rgba(7,16,15,.88) 58%,var(--ink-900) 100%),linear-gradient(90deg,rgba(7,16,15,.92) 0%,rgba(7,16,15,.3) 62%,rgba(7,16,15,.72) 100%),url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.channel-hero__inner{padding:clamp(44px,7vw,92px) 0 clamp(40px,5vw,72px);max-width:var(--container)}
.hero-eyebrow{font-size:13px;letter-spacing:.14em;color:var(--brand-400);margin-bottom:12px}
.hero-title{font-size:clamp(2.2rem,4.6vw,3.6rem);font-weight:800;line-height:1.08;letter-spacing:-.01em}
.hero-sub{max-width:620px;margin-top:16px;font-size:clamp(15px,1.4vw,17px);line-height:1.8;color:var(--text-mid)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:clamp(32px,4vw,52px);padding-top:26px;border-top:1px solid var(--line)}
.stat dt{font-size:12.5px;letter-spacing:.06em;color:var(--text-low);margin-bottom:6px}
.stat dd{font-size:clamp(17px,1.8vw,22px);font-weight:700;font-variant-numeric:tabular-nums}

/* ============ 板块 ============ */
.section{padding:clamp(56px,7vw,104px) 0}
.section--tight{padding:clamp(36px,4vw,60px) 0}
.section--paper{background:var(--paper);color:var(--paper-ink)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-title{position:relative;padding-left:14px;font-size:clamp(1.4rem,2.1vw,1.95rem);font-weight:700;line-height:1.28}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:.95em;border-radius:2px;background:var(--brand-500)}
.section-desc{max-width:640px;margin-top:8px;font-size:15px;line-height:1.8;color:var(--text-mid)}
.section-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-400);white-space:nowrap;transition:color .2s}
.section-link span{transition:transform .24s var(--ease)}
.section-link:hover{color:var(--text-hi)}
.section-link:hover span{transform:translateX(4px)}
.section-head--center{flex-direction:column;align-items:center;text-align:center}
.section-head--center .section-title{padding-left:0}
.section-head--center .section-title::before{display:none}
.section-head--center .section-desc{text-align:center}

/* ============ 主内容栅格 ============ */
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
.lane{margin-bottom:46px}
.lane:last-child{margin-bottom:0}
.lane-track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;scrollbar-width:none;-ms-overflow-style:none}
.lane-track::-webkit-scrollbar{display:none}

/* ============ 剧集卡片 ============ */
.poster-card{flex:0 0 auto;width:clamp(158px,21vw,216px);scroll-snap-align:start}
.poster-card__link{display:block;border-radius:var(--radius-card)}
.poster-card__media{position:relative;aspect-ratio:2/3;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .28s var(--ease),border-color .28s var(--ease)}
.poster-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.poster-card:hover .poster-card__media{transform:translateY(-4px);border-color:rgba(23,163,152,.42)}
.poster-card:hover .poster-card__media img{transform:scale(1.04)}
.poster-card__link:focus-visible .poster-card__media{border-color:var(--brand-400)}
.badge{position:absolute;left:10px;top:10px;padding:3px 10px;border-radius:var(--radius-pill);font-size:12px;letter-spacing:.04em;color:var(--accent-300);background:rgba(255,122,77,.16);border:1px solid rgba(255,122,77,.48);backdrop-filter:blur(4px)}
.poster-card__title{margin:12px 0 4px;font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s var(--ease)}
.poster-card:hover .poster-card__title{color:var(--brand-400)}
.poster-card__meta{font-size:12.5px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums}

/* ============ 侧栏榜单 ============ */
.side-panel{background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 18px 18px;box-shadow:var(--shadow-card)}
.side-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.side-title{font-size:17px;font-weight:700}
.side-note{font-size:12px;letter-spacing:.04em;color:var(--text-low)}
.rank-item{border-top:1px solid var(--line)}
.rank-item:first-child{border-top:0}
.rank-link{display:grid;grid-template-columns:32px minmax(0,1fr);gap:10px;align-items:center;padding:11px 8px;border-radius:10px;transition:background .2s var(--ease)}
.rank-link:hover{background:rgba(255,255,255,.04)}
.rank-num{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-500)}
.rank-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s}
.rank-link:hover .rank-name{color:var(--brand-400)}
.rank-note{grid-column:2;font-size:12px;color:var(--text-low);margin-top:-4px}
.side-more{display:block;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;font-weight:600;text-align:center;color:var(--brand-400);transition:color .2s}
.side-more:hover{color:var(--text-hi)}

/* ============ 看点（浅色段） ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.feature-item{background:#fff;border:1px solid var(--paper-line);border-radius:var(--radius-card);padding:24px 22px;box-shadow:0 20px 44px -34px rgba(18,32,31,.55);transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.feature-item:hover{transform:translateY(-4px);box-shadow:0 26px 52px -32px rgba(18,32,31,.5)}
.feature-num{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-600);margin-bottom:10px}
.feature-item h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature-item p{font-size:14.5px;line-height:1.85;color:rgba(18,32,31,.72)}
.section--paper .section-desc{color:rgba(18,32,31,.66)}

/* ============ 追剧流程 ============ */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{position:relative;padding:24px 20px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .26s var(--ease),border-color .26s var(--ease)}
.step:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.42)}
.step-num{display:block;font-size:26px;font-weight:800;line-height:1;color:rgba(23,163,152,.34);letter-spacing:.02em;margin-bottom:12px}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--text-mid)}

/* ============ 标签索引 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.tag{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--radius-pill);background:rgba(255,255,255,.04);border:1px solid var(--line);font-size:13.5px;color:var(--text-mid);transition:all .22s var(--ease)}
.tag:hover{background:rgba(23,163,152,.14);border-color:rgba(23,163,152,.5);color:var(--text-hi);transform:translateY(-2px)}

/* ============ FAQ ============ */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 4px;font-size:16.5px;font-weight:600;cursor:pointer;list-style:none;transition:color .22s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-400)}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--brand-400);border-radius:2px;transition:transform .22s var(--ease)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-answer{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--text-mid)}

/* ============ CTA ============ */
.cta-band{padding:clamp(60px,7vw,104px) 0;background:linear-gradient(180deg,rgba(7,16,15,.74) 0%,rgba(7,16,15,.94) 100%),linear-gradient(90deg,rgba(7,16,15,.85),rgba(7,16,15,.4)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat;border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center}
.cta-inner{max-width:760px;margin:0 auto}
.cta-title{font-size:clamp(1.6rem,2.8vw,2.3rem);font-weight:700;line-height:1.3}
.cta-text{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--text-mid)}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}

/* ============ 分页 ============ */
.pager-wrap{display:flex;flex-direction:column;align-items:center;gap:20px}
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.pager-link{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-btn);font-size:14px;color:var(--text-mid);font-variant-numeric:tabular-nums;transition:all .22s var(--ease)}
.pager-link:hover{border-color:var(--brand-500);color:var(--text-hi)}
.pager-link.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#04120f;font-weight:700}
.back-home{font-size:14px;font-weight:600;color:var(--brand-400);transition:color .2s}
.back-home:hover{color:var(--text-hi);text-decoration:underline;text-underline-offset:4px}

/* ============ 页脚 ============ */
.site-footer{margin-top:clamp(48px,6vw,88px);background:var(--ink-800);border-top:1px solid var(--line);padding:clamp(46px,5vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:var(--text-mid);max-width:380px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease),text-underline-offset .2s}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;flex-direction:column;gap:3px;margin-bottom:14px}
.footer-contact span{font-size:12.5px;color:var(--text-low);letter-spacing:.04em}
.footer-contact strong{font-size:14px;font-weight:600;color:var(--text-hi)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:clamp(32px,4vw,52px);padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-low)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{transition:color .2s}
.footer-bottom a:hover{color:var(--brand-400)}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .content-grid{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
  .footer-grid > div:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .search-box{display:none}
  .topbar-cta{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .drawer:not([hidden]){display:block}
  .content-grid{grid-template-columns:1fr;gap:36px}
  .side-panel{max-width:none}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head--center{align-items:center}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:576px){
  .topbar-inner{height:60px}
  .channelbar-inner{height:42px}
  .hero-actions .btn{width:100%;height:48px}
  .poster-card{width:150px}
  .step-list{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .cta-actions .btn{width:100%;height:48px}
  .footer-grid{grid-template-columns:1fr}
  .pager-link{min-width:38px;height:38px;padding:0 12px}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px -28px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:112px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:clamp(64px,8vw,112px) 0;scroll-margin-top:132px}
.section--paper{background:var(--paper);color:var(--paper-ink)}
.section--paper .section-lead,.section--paper .muted{color:#4A5C5A}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,16,15,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:22px;height:22px;border-radius:7px;flex:none;
  background:linear-gradient(135deg,var(--brand-500),var(--accent-500));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.02em}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;height:40px;min-width:230px;padding:0 14px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search input{width:100%;background:none;border:0;outline:0;font-size:14px}
.search input::placeholder{color:var(--text-low)}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(23,163,152,.3)}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--text-hi);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--text-hi);border-radius:2px;
}
.menu-toggle span::before{top:-5px}
.menu-toggle span::after{top:5px}

.channel-bar{border-top:1px solid var(--line);background:rgba(12,26,25,.72)}
.channel-inner{
  display:flex;align-items:center;height:44px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.nav-links{display:flex;align-items:center;gap:24px;white-space:nowrap}
.nav-link{
  position:relative;padding:4px 2px;font-size:14px;color:var(--text-mid);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;
  background:var(--accent-500);transition:right .24s var(--ease);
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--brand-400);font-weight:600}
.nav-link.active::after{right:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--accent-500);color:#20150F}
.btn-primary:hover{background:#ff8a61;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(255,122,77,.7)}
.btn-ghost{border-color:rgba(244,247,244,.28);color:var(--text-hi);background:transparent}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:13px}
.btn:active{transform:translateY(0)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(7,16,15,.95) 0%,rgba(7,16,15,.8) 48%,rgba(7,16,15,.38) 100%),
    linear-gradient(180deg,rgba(7,16,15,.35),rgba(7,16,15,.96));
}
.page-hero-inner{position:relative;padding:30px 0 clamp(52px,7vw,88px)}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.04em;color:var(--text-low);
}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb .sep{opacity:.5}
.hero-copy{padding-top:clamp(28px,4vw,52px);max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;
  color:var(--brand-400);text-transform:uppercase;margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand-500);border-radius:2px}
.page-title{
  font-size:clamp(2.1rem,4.6vw,3.5rem);
  font-weight:800;line-height:1.08;letter-spacing:-.01em;
}
.page-lead{margin-top:18px;font-size:clamp(1rem,1.3vw,1.125rem);color:var(--text-mid);max-width:620px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:42px;padding-top:26px;border-top:1px solid var(--line)}
.stat-num{font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text-hi)}
.stat-num em{font-style:normal;font-size:.8rem;color:var(--brand-400);margin-left:4px;font-weight:600}
.stat-label{display:block;font-size:12px;letter-spacing:.08em;color:var(--text-low);margin-top:4px}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.section-title{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(1.5rem,2.3vw,2.1rem);font-weight:700;line-height:1.2;
}
.section-title::before{content:"";width:12px;height:3px;border-radius:2px;background:var(--brand-500);flex:none}
.section-lead{margin-top:12px;color:var(--text-mid);font-size:15px;max-width:720px}
.more-link{font-size:14px;color:var(--brand-400);display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease)}
.more-link:hover{gap:10px}

/* ---------- pills ---------- */
.pill-row{display:flex;gap:10px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-bottom:26px;scrollbar-width:none}
.pill-row::-webkit-scrollbar{display:none}
.pill{
  flex:none;font-size:13px;letter-spacing:.04em;padding:8px 15px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-mid);
  cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.pill:hover{color:var(--text-hi);border-color:rgba(44,196,180,.45)}
.pill.active{background:rgba(23,163,152,.16);border-color:rgba(23,163,152,.5);color:var(--brand-400);font-weight:600}
.result-count{font-size:13px;color:var(--text-low);letter-spacing:.04em;margin-bottom:8px}

/* ---------- toc list ---------- */
.toc-list{border-top:1px solid var(--line)}
.toc-row{
  display:grid;grid-template-columns:76px minmax(0,1fr) auto 26px;
  align-items:center;gap:20px;padding:26px 12px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.toc-row:hover{background:rgba(255,255,255,.03)}
.toc-index{
  font-size:2rem;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  color:rgba(23,163,152,.3);transition:color .24s var(--ease);
}
.toc-row:hover .toc-index{color:rgba(44,196,180,.6)}
.toc-title{font-size:1.25rem;font-weight:600;line-height:1.4;transition:color .2s var(--ease)}
.toc-row:hover .toc-title{color:var(--brand-400)}
.toc-desc{margin-top:6px;font-size:14px;color:var(--text-low);line-height:1.7}
.toc-meta{
  display:flex;align-items:center;gap:12px;justify-content:flex-end;
  font-size:13px;color:var(--text-low);letter-spacing:.04em;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;
  background:rgba(255,122,77,.14);border:1px solid rgba(255,122,77,.32);color:var(--accent-300);
}
.badge--teal{background:rgba(23,163,152,.14);border-color:rgba(23,163,152,.34);color:var(--brand-400)}
.toc-arrow{color:var(--text-low);transition:transform .24s var(--ease),color .24s var(--ease)}
.toc-row:hover .toc-arrow{transform:translateX(6px);color:var(--brand-400)}
.toc-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand-500);margin-right:8px;vertical-align:middle}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.f-card{
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.f-card:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4)}
.f-card-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink-700)}
.f-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.f-card:hover .f-card-media img{transform:scale(1.04)}
.f-card-body{padding:18px 18px 20px}
.f-card-body h3{font-size:1.0625rem;font-weight:600;line-height:1.5}
.f-card-body p{margin-top:8px;font-size:14px;color:var(--text-mid);line-height:1.75}

/* ---------- scenes ---------- */
.scene-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.scene{
  padding:24px 22px;border-radius:var(--radius-card);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.scene:hover{border-color:rgba(23,163,152,.42);transform:translateY(-4px)}
.scene h3{font-size:1.0625rem;font-weight:600}
.scene p{margin-top:10px;font-size:14px;color:var(--text-mid);line-height:1.8}
.scene-tag{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--brand-400);margin-bottom:10px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius-card);
  border:1px solid var(--line);background:var(--ink-800);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:1.5rem;font-weight:800;color:rgba(23,163,152,.5);
  line-height:1;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:1.0625rem;font-weight:600}
.step p{margin-top:8px;font-size:14px;color:var(--text-mid);line-height:1.8}

/* ---------- faq ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:1.0625rem;font-weight:600;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:none;color:var(--brand-400);font-size:1.25rem;font-weight:600;
  transition:transform .2s var(--ease);
}
.faq details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq .faq-answer{margin-top:12px;font-size:15px;color:var(--text-mid);line-height:1.85;max-width:720px}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line)}
.cta-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat}
.cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,16,15,.86),rgba(7,16,15,.96))}
.cta-inner{position:relative;max-width:720px;margin:0 auto;text-align:center;padding:clamp(56px,8vw,96px) 0}
.cta-inner h2{font-size:clamp(1.6rem,2.6vw,2.25rem);font-weight:700;line-height:1.25}
.cta-inner p{margin-top:16px;color:var(--text-mid);font-size:15px}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ---------- pagination ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pagination a,.pagination span{
  display:grid;place-items:center;min-width:38px;height:38px;padding:0 10px;border-radius:8px;
  border:1px solid var(--line);font-size:14px;color:var(--text-mid);
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.pagination a:hover{border-color:rgba(44,196,180,.5);color:var(--brand-400)}
.pagination .current{background:var(--brand-500);border-color:var(--brand-500);color:#04100F;font-weight:700}
.back-home{display:flex;justify-content:center;margin-top:26px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink-800)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding:clamp(48px,6vw,72px) 0 40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-mid);line-height:1.85;max-width:340px}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--text-low);margin-bottom:16px}
.footer-links li,.footer-contact li{margin-bottom:12px}
.footer-links a{font-size:14px;color:var(--text-mid);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px}
.footer-contact span{display:block;font-size:13px;color:var(--text-low)}
.footer-contact strong{display:block;font-size:14px;font-weight:600;color:var(--text-hi);margin-top:4px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-low);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom nav a:hover{color:var(--brand-400)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  :root{--header-h:112px}
  .search{min-width:180px}
}
@media (max-width:768px){
  :root{--header-h:104px}
  .container{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .logo-text{font-size:17px}
  .search{display:none}
  .menu-toggle{display:flex}
  .channel-inner{height:44px}
  .nav-links{gap:20px}
  .site-header.nav-open .channel-bar{
    position:fixed;left:0;right:0;top:60px;
    background:rgba(7,16,15,.98);border-bottom:1px solid var(--line);
    padding:14px 0 20px;max-height:70vh;overflow-y:auto;
  }
  .site-header.nav-open .channel-inner{height:auto;overflow:visible}
  .site-header.nav-open .nav-links{flex-direction:column;align-items:stretch;gap:2px;white-space:normal}
  .site-header.nav-open .nav-link{font-size:16px;padding:12px 4px;border-bottom:1px solid var(--line)}
  .site-header.nav-open .nav-link::after{display:none}
  .page-hero-inner{padding-top:22px}
  .hero-stats{gap:24px}
  .stat-num{font-size:1.35rem}
  .toc-row{grid-template-columns:52px minmax(0,1fr);gap:14px;padding:20px 4px;align-items:start}
  .toc-index{font-size:1.6rem}
  .toc-title{font-size:1.0625rem}
  .toc-meta{grid-column:2;justify-content:flex-start;flex-wrap:wrap;white-space:normal;text-align:left}
  .toc-arrow{display:none}
  .section-head{margin-bottom:26px}
  .card-grid,.scene-list,.steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .page-title{font-size:1.9rem}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;height:48px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%;height:48px}
  .toc-desc{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category5 */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --line-strong:rgba(240,245,240,.16);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --paper-mid:#4B5A57;
  --danger:#FF6B5E;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px -28px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:260ms;
  --gap:clamp(72px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(23,163,152,.35);color:#fff;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-primary{background:var(--accent-500);color:#1A0D07;box-shadow:0 14px 30px -16px rgba(255,122,77,.85);}
.btn-primary:hover{background:var(--accent-300);transform:translateY(-2px);}
.btn-ghost{background:transparent;border-color:rgba(240,245,240,.32);color:var(--text-hi);}
.btn-ghost:hover{border-color:var(--brand-400);color:var(--brand-400);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,16,15,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-top-inner{
  display:flex;align-items:center;gap:20px;height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand-400),var(--brand-600) 70%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 10px 8px 12px;
  background:var(--accent-500);border-radius:2px 6px 6px 2px;
  opacity:.9;
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;}
.search{
  flex:1;max-width:360px;position:relative;
}
.search input{
  width:100%;height:42px;padding:0 16px 0 42px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  color:var(--text-hi);font-size:14px;outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.search input::placeholder{color:var(--text-low);}
.search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(23,163,152,.35);}
.search::before{
  content:"";position:absolute;left:16px;top:50%;width:13px;height:13px;
  margin-top:-9px;border:2px solid var(--text-low);border-radius:50%;
}
.search::after{
  content:"";position:absolute;left:27px;top:50%;width:6px;height:2px;
  margin-top:4px;background:var(--text-low);transform:rotate(45deg);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.hamburger{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:rgba(255,255,255,.04);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text-hi);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.header-channels{border-top:1px solid var(--line);background:rgba(12,26,25,.72);}
.channels-inner{position:relative;}
.nav-links{
  display:flex;align-items:center;gap:28px;
  height:48px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav-links::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;flex:0 0 auto;
  font-size:14px;font-weight:500;color:var(--text-mid);letter-spacing:.02em;
  padding:4px 0;transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:-12px;height:2px;
  background:var(--accent-500);border-radius:2px;
  transition:right var(--dur) var(--ease);
}
.nav-link:hover{color:var(--text-hi);}
.nav-link:hover::after{right:0;}
.nav-link.active{color:var(--brand-400);font-weight:700;}
.nav-link.active::after{right:0;}

.mobile-panel{
  display:none;padding:16px 0 20px;border-top:1px solid var(--line);
  background:rgba(7,16,15,.98);
}
.mobile-panel.open{display:block;}
.mobile-panel .search{max-width:none;margin-bottom:12px;}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:22px 0 0;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-low);letter-spacing:.04em;}
.breadcrumb a{color:var(--text-mid);transition:color var(--dur) var(--ease);}
.breadcrumb a:hover{color:var(--brand-400);}
.breadcrumb .sep{color:var(--text-low);}
.breadcrumb .current{color:var(--text-low);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  min-height:clamp(480px,64vh,660px);
  display:flex;align-items:flex-end;
  margin-top:22px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75;}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,16,15,.55) 0%,rgba(7,16,15,.35) 35%,rgba(7,16,15,.96) 100%),
    linear-gradient(90deg,rgba(7,16,15,.92) 0%,rgba(7,16,15,.55) 55%,rgba(7,16,15,.15) 100%);
}
.hero-inner{position:relative;width:100%;padding:clamp(48px,7vw,88px) 0 clamp(40px,5vw,64px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-400);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent-500);border-radius:2px;}
.hero h1{
  margin-top:14px;
  font-size:clamp(2.1rem,4.4vw,3.5rem);
  font-weight:800;line-height:1.1;letter-spacing:-.01em;
  max-width:820px;
}
.hero-sub{
  margin-top:18px;max-width:620px;
  font-size:clamp(15px,1.4vw,17px);line-height:1.85;color:var(--text-mid);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
  max-width:880px;
}
.stat-num{
  font-size:clamp(1.3rem,2vw,1.7rem);font-weight:800;color:var(--text-hi);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-num em{font-style:normal;font-size:.62em;font-weight:600;color:var(--brand-400);margin-left:2px;}
.stat-label{font-size:12.5px;color:var(--text-low);letter-spacing:.04em;margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:var(--gap) 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:18px;margin-bottom:32px;}
.section-head h2{
  position:relative;padding-left:18px;
  font-size:clamp(1.45rem,2.2vw,2.1rem);font-weight:700;line-height:1.25;letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;width:4px;height:.86em;
  background:var(--brand-500);border-radius:2px;
}
.section-head p{color:var(--text-mid);font-size:15px;max-width:620px;}
.section-head .head-more{margin-left:auto;font-size:14px;font-weight:600;color:var(--brand-400);transition:transform var(--dur) var(--ease);}
.section-head .head-more:hover{transform:translateX(4px);}

/* ============ 索引条 ============ */
.index-bar{
  margin-top:26px;padding:18px 20px;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--ink-800);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 14px;
}
.index-label{
  font-size:12px;letter-spacing:.14em;color:var(--text-low);font-weight:600;
  padding-right:12px;border-right:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  font-size:13px;color:var(--text-mid);letter-spacing:.02em;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.chip:hover{color:var(--text-hi);border-color:var(--brand-500);background:rgba(23,163,152,.1);}
.chip.active{color:var(--brand-400);border-color:rgba(23,163,152,.55);background:rgba(23,163,152,.12);font-weight:600;}
.letter-set{display:flex;flex-wrap:wrap;gap:4px;}
.letter{
  width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;font-size:12.5px;color:var(--text-low);font-weight:600;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.letter:hover{color:var(--brand-400);background:rgba(23,163,152,.12);}

/* ============ 杂志式拼版 ============ */
.mosaic{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  grid-auto-rows:172px;
  gap:20px;
  grid-template-areas:
    "big big mid1"
    "big big mid2"
    "sm1 sm2 sm3";
}
.m-card{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--ink-700);box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.m-card:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4);}
.m-card a{display:block;height:100%;position:relative;}
.m-card .thumb{position:absolute;inset:0;}
.m-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.m-card:hover .thumb img{transform:scale(1.04);}
.m-card .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,15,.15) 0%,rgba(7,16,15,.72) 58%,rgba(7,16,15,.95) 100%);
}
.m-card .m-body{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
}
.m-card h3{
  font-size:16px;font-weight:700;line-height:1.45;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--dur) var(--ease);
}
.m-card:hover h3{color:var(--brand-400);}
.m-card p{
  margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--text-mid);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.m-big{grid-area:big;}
.m-mid1{grid-area:mid1;}
.m-mid2{grid-area:mid2;}
.m-sm1{grid-area:sm1;}
.m-sm2{grid-area:sm2;}
.m-sm3{grid-area:sm3;}
.m-big h3{font-size:clamp(1.15rem,1.8vw,1.6rem);}
.m-mid h3{font-size:15.5px;}
.m-sm .m-body{padding:14px 16px;}
.m-sm h3{font-size:14.5px;-webkit-line-clamp:2;}
.m-sm p{display:none;}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--radius-pill);
  background:rgba(255,122,77,.14);border:1px solid rgba(255,122,77,.42);
  color:var(--accent-300);
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
}
.badge.badge-brand{background:rgba(23,163,152,.14);border-color:rgba(23,163,152,.45);color:var(--brand-400);}
.meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;
  font-size:12px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums;
}
.meta span{position:relative;padding-right:11px;}
.meta span:not(:last-child)::after{
  content:"";position:absolute;right:0;top:50%;width:3px;height:3px;border-radius:50%;
  background:var(--text-low);transform:translateY(-50%);
}

/* ============ 流程 ============ */
.flow{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
.flow-item{
  position:relative;padding:26px 22px 24px;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--ink-800);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.flow-item:hover{border-color:rgba(23,163,152,.4);transform:translateY(-4px);}
.flow-num{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--brand-400);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;font-weight:700;margin-top:14px;}
.flow-item p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-mid);}
.flow-item::after{
  content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-500),transparent);
  opacity:0;transition:opacity var(--dur) var(--ease);
}
.flow-item:hover::after{opacity:1;}

/* ============ 交付规范 ============ */
.spec{
  display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;
}
.spec-panel{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--ink-800);padding:28px;
}
.spec-list li{
  display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list .k{
  flex:0 0 116px;font-size:13.5px;color:var(--brand-400);font-weight:600;letter-spacing:.02em;
}
.spec-list .v{font-size:14.5px;line-height:1.8;color:var(--text-mid);}
.spec-figure{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.spec-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.spec-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(180deg,transparent,rgba(7,16,15,.94));
  font-size:13.5px;color:var(--text-mid);
}
.spec-figure figcaption strong{display:block;color:var(--text-hi);font-size:15px;margin-bottom:4px;}

/* ============ FAQ（浅色反差段） ============ */
.paper-section{
  margin-top:var(--gap);padding:clamp(56px,7vw,96px) 0;
  background:var(--paper);color:var(--paper-ink);
}
.paper-section .section-head h2{color:var(--paper-ink);}
.paper-section .section-head h2::before{background:var(--brand-600);}
.paper-section .section-head p{color:var(--paper-mid);}
.faq{max-width:860px;}
.faq details{
  border-bottom:1px solid rgba(18,32,31,.14);
}
.faq summary{
  display:flex;align-items:center;gap:16px;
  padding:20px 0;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--paper-ink);
  transition:color var(--dur) var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--brand-600);}
.faq summary .sign{
  margin-left:auto;position:relative;flex:0 0 18px;width:18px;height:18px;
  transition:transform var(--dur) var(--ease);
}
.faq summary .sign::before,
.faq summary .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-600);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq summary .sign::before{width:14px;height:2px;}
.faq summary .sign::after{width:2px;height:14px;transition:transform var(--dur) var(--ease);}
.faq details[open] summary .sign::after{transform:translate(-50%,-50%) scaleY(0);}
.faq .answer{
  padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--paper-mid);max-width:760px;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;margin-top:var(--gap);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band .cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;}
.cta-band .cta-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,16,15,.9),rgba(7,16,15,.96)),
             linear-gradient(90deg,rgba(14,124,116,.35),rgba(7,16,15,.6));
}
.cta-inner{position:relative;padding:clamp(56px,7vw,92px) 0;text-align:center;}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.3rem);font-weight:700;letter-spacing:-.01em;max-width:720px;margin:0 auto;}
.cta-inner p{margin:16px auto 0;max-width:640px;color:var(--text-mid);font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:30px;}

/* ============ 分页 ============ */
.pager-block{padding:var(--gap) 0 0;}
.pager{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding-top:26px;border-top:1px solid var(--line);
}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:10px;
  font-size:14px;color:var(--text-mid);font-variant-numeric:tabular-nums;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.pager a:hover{color:var(--text-hi);border-color:var(--brand-500);background:rgba(23,163,152,.1);}
.pager .current{background:var(--brand-500);border-color:var(--brand-500);color:#04110F;font-weight:700;}
.pager .back-home{margin-left:auto;padding:0 18px;font-weight:600;color:var(--brand-400);border-color:rgba(23,163,152,.4);}
.pager .back-home:hover{background:rgba(23,163,152,.14);color:var(--brand-400);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--gap);
  border-top:1px solid var(--line);
  background:var(--ink-800);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:var(--text-mid);max-width:340px;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--text-low);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--text-mid);transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);}
.footer-links a:hover{color:var(--brand-400);padding-left:4px;}
.footer-contact li{margin-bottom:16px;font-size:13px;color:var(--text-low);}
.footer-contact li span{display:block;letter-spacing:.04em;}
.footer-contact li strong{display:block;margin-top:4px;font-size:14px;font-weight:600;color:var(--text-hi);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-low);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;margin-left:auto;}
.footer-bottom a{color:var(--text-mid);transition:color var(--dur) var(--ease);}
.footer-bottom a:hover{color:var(--brand-400);}

/* ============ 入场动效 ============ */
.fade-up{opacity:0;transform:translateY(12px);}
.fade-up.in{opacity:1;transform:none;transition:opacity 420ms var(--ease),transform 420ms var(--ease);}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .spec{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:1024px){
  .search{max-width:260px;}
  .mosaic{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:180px;
    grid-template-areas:
      "big big"
      "mid1 mid2"
      "sm1 sm2"
      "sm3 sm3";}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
}
@media (max-width:900px){
  .search{display:none;}
  .hamburger{display:flex;}
  .header-actions .btn{display:none;}
  .nav-links{gap:22px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .header-top-inner{height:60px;}
  .logo-text{font-size:17px;}
  .crumb-wrap{padding-top:16px;}
  .mosaic{grid-auto-rows:160px;gap:16px;}
  .m-card .m-body{padding:14px 16px;}
  .m-big h3{font-size:1.15rem;}
  .m-card p{display:none;}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-sub{font-size:15px;}
  .cta-actions .btn{width:100%;}
  .pager .back-home{margin-left:0;width:100%;justify-content:center;height:44px;}
}
@media (max-width:520px){
  .hero{min-height:480px;}
  .hero-actions .btn{width:100%;height:48px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .mosaic{grid-template-columns:1fr;grid-auto-rows:200px;
    grid-template-areas:
      "big"
      "mid1"
      "mid2"
      "sm1"
      "sm2"
      "sm3";}
  .m-sm p{display:block;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom nav{margin-left:0;gap:12px;}
  .index-bar{padding:14px;}
  .index-label{border-right:0;padding-right:0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .fade-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --ink-900:#07100F;
  --ink-800:#0C1A19;
  --ink-700:#132624;
  --line:rgba(240,245,240,.09);
  --brand-600:#0E7C74;
  --brand-500:#17A398;
  --brand-400:#2CC4B4;
  --accent-500:#FF7A4D;
  --accent-300:#FFB08A;
  --text-hi:#F4F7F4;
  --text-mid:#A9B6B3;
  --text-low:#6E7C7A;
  --paper:#F6F3EC;
  --paper-ink:#12201F;
  --danger:#FF6B5E;
  --radius-card:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.05), 0 24px 60px -28px rgba(0,0,0,.75);
  --shadow-soft:0 18px 40px -24px rgba(0,0,0,.7);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-hi);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-400);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-400)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand-400);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,16,15,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar{height:72px;transition:height .26s var(--ease)}
.topbar-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .26s var(--ease)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-hi)}
.logo:hover{color:var(--text-hi)}
.logo-mark{
  position:relative;width:24px;height:24px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand-400),var(--brand-600));
  box-shadow:0 6px 18px -8px rgba(23,163,152,.9);
}
.logo-mark::after{
  content:"";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--accent-500);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.02em}
.search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:10px;
  height:42px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(23,163,152,.32)}
.search svg{flex:0 0 auto;width:16px;height:16px;color:var(--text-low)}
.search input{flex:1 1 auto;min-width:0;height:100%;background:transparent;border:0;outline:none;font-size:14px}
.search input::placeholder{color:var(--text-low)}
.topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  display:none;width:42px;height:42px;border-radius:50%;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-hi);
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-500);background:rgba(23,163,152,.12)}
.channelbar{border-top:1px solid var(--line);background:rgba(7,16,15,.6)}
.channelbar-inner{display:flex;align-items:center;height:56px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.nav-links{display:flex;align-items:center;gap:24px;min-width:max-content;padding:4px 0}
.nav-link{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14px;color:var(--text-mid);white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:18px;height:2px;border-radius:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-hi)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-400);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.site-header.scrolled .topbar,.site-header.scrolled .topbar-inner{height:56px}
.site-header.scrolled .logo-text{font-size:18px}

.drawer{
  position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;
  padding:22px 24px 40px;background:rgba(7,16,15,.98);
  transform:translateY(-102%);transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-title{font-size:13px;letter-spacing:.1em;color:var(--text-low)}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:26px}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;font-size:16px;color:var(--text-hi);
  background:rgba(255,255,255,.03);border:1px solid transparent;
}
.drawer-list a.active{color:var(--brand-400);border-color:rgba(23,163,152,.4);background:rgba(23,163,152,.1)}
.drawer-form{display:flex;align-items:center;gap:10px;height:46px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);margin-bottom:18px}
.drawer-form input{flex:1;background:transparent;border:0;outline:none;font-size:14px}
.drawer .btn{width:100%}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-accent{background:var(--accent-500);color:#20100A}
.btn-accent:hover{background:#FF8C63;color:#20100A;transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(255,122,77,.8)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text-hi);border-color:rgba(244,247,244,.26)}
.btn-ghost:hover{border-color:var(--brand-400);background:rgba(23,163,152,.14);color:var(--text-hi);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--text-hi);border-color:var(--line)}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-400)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-400)}
.link-more span{transition:transform .22s var(--ease)}
.link-more:hover span{transform:translateX(4px)}

/* ---------- hero ---------- */
.hero-cat{position:relative;overflow:hidden;border-bottom:1px solid var(--line);min-height:clamp(480px,62vh,620px);display:flex;align-items:flex-end}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.04);animation:kenburns 8s var(--ease) forwards;
}
@keyframes kenburns{from{transform:scale(1.04)}to{transform:scale(1)}}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,16,15,.5) 0%,rgba(7,16,15,.74) 48%,var(--ink-900) 100%),
    linear-gradient(90deg,rgba(7,16,15,.94) 0%,rgba(7,16,15,.5) 55%,rgba(7,16,15,.12) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:clamp(48px,7vw,92px);padding-bottom:clamp(40px,5vw,64px)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-low);margin-bottom:18px}
.breadcrumb a{color:var(--text-mid)}
.breadcrumb a:hover{color:var(--brand-400)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--text-low)}
.breadcrumb [aria-current="page"]{color:var(--text-low)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:12.5px;letter-spacing:.14em;color:var(--brand-400);
  padding:6px 14px;border-radius:999px;
  background:rgba(23,163,152,.12);border:1px solid rgba(23,163,152,.3);
}
.hero-cat h1{
  font-size:clamp(2rem,4.2vw,3.2rem);font-weight:800;line-height:1.12;
  letter-spacing:-.01em;max-width:820px;
}
.hero-sub{margin-top:16px;font-size:clamp(15px,1.4vw,17px);color:var(--text-mid);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,56px);margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:4px}
.hero-stats strong{font-size:clamp(1.25rem,2vw,1.6rem);font-weight:800;color:var(--text-hi);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:12.5px;letter-spacing:.04em;color:var(--text-low)}

/* ---------- generic section ---------- */
.section{padding-block:clamp(60px,8vw,112px);scroll-margin-top:140px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:clamp(26px,3vw,42px)}
.h2{
  position:relative;padding-left:18px;
  font-size:clamp(1.45rem,2.4vw,2.05rem);font-weight:700;line-height:1.3;
}
.h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background:var(--brand-500);
}
.section-sub{margin-top:12px;font-size:15px;color:var(--text-mid);max-width:660px}

/* ---------- split: sticky poster + entries ---------- */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,3vw,40px);align-items:start}
.poster-sticky{position:sticky;top:132px}
.poster{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);box-shadow:var(--shadow-card);aspect-ratio:2/3;background:var(--ink-700);
}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.poster:hover img{transform:scale(1.04)}
.poster-badge{position:absolute;left:14px;top:14px}
.poster-body{
  margin-top:18px;padding:20px;border-radius:var(--radius-card);
  background:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.poster-body h3{font-size:1.15rem;font-weight:700}
.poster-body p{margin-top:10px;font-size:14px;color:var(--text-mid);line-height:1.8}
.poster-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:12.5px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums}
.poster-body .btn{width:100%;margin-top:18px}

.entry-list{display:flex;flex-direction:column;gap:16px}
.entry{
  display:grid;grid-template-columns:160px minmax(0,1fr);gap:16px;
  padding:16px;border-radius:var(--radius-sm);
  background:var(--ink-800);border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
  scroll-margin-top:140px;
}
.entry:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4);background:var(--ink-700);box-shadow:var(--shadow-soft)}
.entry-media{aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:var(--ink-700);border:1px solid var(--line)}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.entry:hover .entry-media img{transform:scale(1.04)}
.entry-body{min-width:0}
.entry-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.entry-body h3{margin-top:10px;font-size:1.05rem;font-weight:650;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s var(--ease);}
.entry:hover .entry-body h3{color:var(--brand-400)}
.entry-desc{margin-top:8px;font-size:14px;line-height:1.78;color:var(--text-mid);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-meta{margin-top:12px;font-size:12px;letter-spacing:.04em;color:var(--text-low);font-variant-numeric:tabular-nums}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;letter-spacing:.04em;white-space:nowrap;
  background:rgba(255,122,77,.14);border:1px solid rgba(255,122,77,.4);color:var(--accent-300);
}
.badge-brand{background:rgba(23,163,152,.14);border-color:rgba(23,163,152,.4);color:var(--brand-400)}

/* ---------- features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.feature{
  padding:26px 22px;border-radius:var(--radius-card);
  background:linear-gradient(180deg,var(--ink-800),var(--ink-700));
  border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.feature:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4);box-shadow:var(--shadow-soft)}
.feature-num{font-size:13px;letter-spacing:.16em;color:var(--brand-400);font-variant-numeric:tabular-nums}
.feature h3{margin-top:16px;font-size:1.05rem;font-weight:650}
.feature p{margin-top:10px;font-size:14px;line-height:1.82;color:var(--text-mid)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius-card);
  background:var(--ink-800);border:1px solid var(--line);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4)}
.step-num{font-size:2.4rem;font-weight:800;line-height:1;color:rgba(23,163,152,.22);font-variant-numeric:tabular-nums}
.step h3{margin-top:12px;font-size:1.05rem;font-weight:650}
.step p{margin-top:10px;font-size:14px;line-height:1.82;color:var(--text-mid)}

/* ---------- paper band ---------- */
.paper-band{background:var(--paper);color:var(--paper-ink)}
.paper-band .h2{color:var(--paper-ink)}
.paper-band .section-sub{color:#4B5B59}
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene{
  padding:24px;border-radius:var(--radius-card);background:#FFFDF9;
  border:1px solid rgba(18,32,31,.1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.scene:hover{transform:translateY(-4px);border-color:rgba(23,163,152,.4);box-shadow:0 22px 44px -26px rgba(18,32,31,.4)}
.scene h3{font-size:1.08rem;font-weight:700;color:var(--paper-ink)}
.scene p{margin-top:10px;font-size:14px;line-height:1.82;color:#4B5B59}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;letter-spacing:.03em;color:#0B5F59;
  background:rgba(23,163,152,.12);border:1px solid rgba(23,163,152,.24);
}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 2px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--text-hi);
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-400)}
.faq-icon{
  position:relative;flex:0 0 auto;width:18px;height:18px;
  transition:transform .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-400);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;border-radius:2px}
.faq-icon::after{width:2px;height:14px;border-radius:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 2px 22px;max-width:740px;font-size:15px;line-height:1.85;color:var(--text-mid)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cta-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,16,15,.72),rgba(7,16,15,.9))}
.cta-inner{position:relative;z-index:2;padding:clamp(40px,6vw,72px) 24px;max-width:760px;margin:0 auto;text-align:center}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:750;line-height:1.3}
.cta-inner p{margin-top:14px;font-size:15px;color:var(--text-mid)}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}

/* ---------- pagination ---------- */
.pager-wrap{display:flex;flex-direction:column;align-items:center;gap:22px}
.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.page-btn{
  display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 12px;
  border-radius:8px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:14px;color:var(--text-mid);font-variant-numeric:tabular-nums;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.page-btn:hover{border-color:var(--brand-500);color:var(--brand-400)}
.page-btn.active{background:var(--brand-500);border-color:var(--brand-500);color:#04110F;font-weight:700}
.page-btn.disabled{opacity:.4;pointer-events:none}
.back-home{font-size:14px;color:var(--text-mid);display:inline-flex;align-items:center;gap:6px}
.back-home:hover{color:var(--brand-400)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-800);border-top:1px solid var(--line);margin-top:clamp(40px,6vw,80px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:clamp(40px,5vw,64px) 0}
.footer-brand p{margin-top:16px;max-width:360px;font-size:14px;line-height:1.85;color:var(--text-mid)}
.footer-title{margin-bottom:16px;font-size:13px;letter-spacing:.08em;color:var(--text-low)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-mid)}
.footer-links a:hover{color:var(--brand-400);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;flex-direction:column;gap:5px;margin-bottom:16px;font-size:13px;color:var(--text-low)}
.footer-contact strong{font-size:14px;font-weight:500;color:var(--text-hi)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 34px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-low);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom nav a{color:var(--text-low)}
.footer-bottom nav a:hover{color:var(--brand-400)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .split{grid-template-columns:minmax(0,1fr)}
  .poster-sticky{position:static}
  .poster{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .search{display:none}
  .topbar-actions .btn{display:none}
  .icon-btn.search-btn,.icon-btn.menu-btn{display:inline-flex}
  .nav-links{gap:20px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .hero-cat{min-height:480px}
  .hero-stats{gap:22px}
  .entry{grid-template-columns:132px minmax(0,1fr);gap:14px;padding:14px}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .feature-grid,.steps{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:576px){
  .hero-actions .btn,.cta-actions .btn{width:100%;height:48px}
  .hero-actions,.cta-actions{flex-direction:column;align-items:stretch}
  .entry{grid-template-columns:minmax(0,1fr)}
  .entry-media{aspect-ratio:16/9}
  .poster-body{padding:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:400px){
  .logo-text{font-size:18px}
  .hero-cat h1{font-size:1.7rem}
}