/* roulang page: index */
:root{
  --bg-base:#0A0C0B;
  --bg-raised:#121514;
  --bg-card:#171B19;
  --brand:#B9FF3D;
  --brand-ink:#0A0C0B;
  --accent:#7C5CFF;
  --warn:#FF7A45;
  --text-1:#F3F6F2;
  --text-2:#A7B0A8;
  --text-3:#6E776F;
  --line:rgba(235,255,240,.08);
  --line-soft:rgba(255,255,255,.06);
  --line-hover:rgba(185,255,61,.35);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  --shadow-hover:0 26px 56px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"system-ui","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--text-1);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button,input{font-family:inherit}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
::selection{background:var(--brand);color:var(--brand-ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* 容器 */
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.wrap{padding:0 20px}}

/* 按钮 */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:.95rem;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.btn-brand{background:var(--brand);color:var(--brand-ink)}
.btn-brand:hover,.btn-brand:focus-visible{
  color:var(--brand-ink);transform:translateY(-2px);
  box-shadow:0 0 0 3px rgba(185,255,61,.18),0 12px 26px rgba(0,0,0,.5);
  background:#caff62;
}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover,.btn-ghost:focus-visible{
  color:var(--text-1);border-color:var(--line-hover);background:rgba(185,255,61,.08);transform:translateY(-2px);
}
.btn-sm-x{height:40px;padding:0 18px;font-size:.875rem}
.link-more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;color:var(--text-2);font-weight:600;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--brand);transition:width .3s var(--ease);
}
.link-more:hover{color:var(--brand)}
.link-more:hover::after{width:100%}

/* 徽章 */
.badge-cat{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(124,92,255,.12);color:#B9A8FF;
  font-size:.75rem;letter-spacing:.08em;line-height:1.6;
}
.badge-hot{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--brand);color:var(--brand-ink);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;line-height:1.6;
}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,12,11,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .28s var(--ease);
}
.nav-top{display:flex;align-items:center;gap:24px;height:72px;transition:height .28s var(--ease)}
.site-header.scrolled .nav-top{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(185,255,61,.18),rgba(124,92,255,.18));
  border:1.5px solid var(--brand);
  color:var(--brand);font-size:.75rem;font-weight:900;letter-spacing:.04em;
}
.brand-name{font-size:1.0625rem;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.search-form{
  flex:1 1 auto;max-width:420px;position:relative;display:flex;align-items:center;
}
.search-form i{position:absolute;left:16px;color:var(--text-3);font-size:.875rem;pointer-events:none}
.search-form input{
  width:100%;height:48px;padding:0 16px 0 42px;
  background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r-pill);
  color:var(--text-1);font-size:.9375rem;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{outline:none;border-color:var(--brand);background:rgba(185,255,61,.08)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--bg-raised);border:1px solid var(--line);color:var(--text-1);font-size:1.05rem;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--line-hover);color:var(--brand)}

/* 频道行 */
.nav-channels{position:relative;border-top:1px solid var(--line-soft)}
.chan-scroll{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chan-scroll::-webkit-scrollbar{display:none}
.chan-list{display:flex;align-items:center;gap:10px;height:48px;white-space:nowrap}
.chan-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:.875rem;color:var(--text-2);border:1px solid transparent;
  transition:all .18s var(--ease);
}
.chan-pill:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.chan-pill.active{background:var(--brand);color:var(--brand-ink);font-weight:700}

/* 移动抽屉 */
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:1040;
  background:rgba(10,12,11,.98);backdrop-filter:blur(10px);
  padding:24px 20px 40px;overflow-y:auto;
}
.mobile-drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-btn);background:var(--bg-raised);border:1px solid var(--line);color:var(--text-1);cursor:pointer}
.drawer-close:hover{border-color:var(--line-hover);color:var(--brand)}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-grid a{
  display:flex;align-items:center;min-height:52px;padding:0 16px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  font-size:.9375rem;font-weight:600;
}
.drawer-grid a:hover{border-color:var(--line-hover);color:var(--brand)}
.drawer-title{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px}

/* ===== HERO ===== */
.hero{
  position:relative;overflow:hidden;
  min-height:clamp(520px,68vh,760px);
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,12,11,.96),rgba(10,12,11,.72) 48%,rgba(10,12,11,.18));
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:80px;
  background:linear-gradient(180deg,rgba(10,12,11,0),var(--bg-base));
}
.hero .wrap{position:relative;z-index:2}
.hero-inner{max-width:620px;padding:96px 0 120px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-hover);color:var(--brand);
  font-size:.75rem;letter-spacing:.08em;margin-bottom:22px;
}
.hero-title{font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.12;font-weight:900}
.hero-sub{margin-top:20px;font-size:1.0625rem;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:30px;font-size:.8125rem;color:var(--text-3)}
.hero-meta li{position:relative;padding-left:14px}
.hero-meta li::before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:var(--brand);transform:translateY(-50%)}

/* ===== SECTION ===== */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.section-eyebrow{font-size:.75rem;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}
.section-title{font-size:clamp(1.5rem,2.6vw,2.25rem)}
.section-desc{margin-top:10px;color:var(--text-2);font-size:.9375rem;max-width:640px}

/* 横滑片库 */
.rail{
  display:flex;gap:18px;overflow-x:auto;padding:4px 20px 24px 0;
  scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.poster-card{
  flex:0 0 auto;width:clamp(160px,18vw,236px);
  scroll-snap-align:start;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.poster-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
.poster-cover{position:relative;aspect-ratio:2/3;overflow:hidden;background:#0F1211}
.poster-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.poster-card:hover .poster-cover img{transform:scale(1.04)}
.poster-cover .badge-cat{position:absolute;top:10px;left:10px;backdrop-filter:blur(6px);background:rgba(124,92,255,.85);color:#fff}
.poster-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,11,0),rgba(10,12,11,.78));opacity:.9}
.poster-info{position:absolute;left:0;right:0;bottom:0;padding:14px;z-index:2}
.poster-name{font-size:.9375rem;font-weight:700;line-height:1.4}
.poster-meta{font-size:.75rem;color:var(--text-2);margin-top:4px}

/* 热播推荐 */
.feature-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px}
.feature-main{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--bg-card);box-shadow:var(--shadow-card);
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.feature-main:hover{border-color:var(--line-hover);transform:translateY(-4px)}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-main-body{padding:24px}
.feature-main-body h3{font-size:1.375rem;margin:12px 0 10px}
.feature-main-body p{color:var(--text-2);font-size:.9375rem}
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:16px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .28s var(--ease),transform .28s var(--ease),background .28s var(--ease);
}
.rank-item:hover{border-color:var(--line-hover);transform:translateY(-4px);background:var(--bg-raised)}
.rank-num{
  font-size:1.75rem;font-weight:900;line-height:1;flex:0 0 auto;
  color:transparent;-webkit-text-stroke:1.5px var(--brand);
}
.rank-text h4{font-size:1rem;font-weight:700}
.rank-text span{font-size:.8125rem;color:var(--text-3)}

/* 片单分区 */
.collection-block{padding:56px 0;border-top:1px solid var(--line)}
.collection-block:first-of-type{border-top:1px solid var(--line)}
.collection-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:28px}
.collection-head h3{font-size:1.375rem}
.collection-head p{color:var(--text-2);font-size:.875rem;margin-top:8px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card-mini{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
  display:flex;flex-direction:column;
}
.card-mini:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
.card-mini .thumb{position:relative;aspect-ratio:2/3;overflow:hidden}
.card-mini .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card-mini:hover .thumb img{transform:scale(1.04)}
.card-mini .thumb .badge-hot{position:absolute;top:10px;right:10px}
.card-mini .body{padding:14px 16px 18px}
.card-mini .body h4{font-size:.9375rem;font-weight:700;line-height:1.45}
.card-mini .body p{font-size:.8125rem;color:var(--text-3);margin-top:6px}

/* 权益 / 数据 */
.stats-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:20px;
  background-image:linear-gradient(90deg,rgba(10,12,11,.94),rgba(10,12,11,.6) 60%,rgba(10,12,11,.25)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:48px 40px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:32px}
.stat-item{border-left:2px solid var(--brand);padding-left:16px}
.stat-num{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:900;color:var(--brand)}
.stat-label{font-size:.875rem;color:var(--text-2);margin-top:4px}

/* 最新信息 */
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{
  display:flex;gap:18px;padding:18px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .28s var(--ease),transform .28s var(--ease),background .28s var(--ease);
}
.news-card:hover{border-color:var(--line-hover);transform:translateY(-4px);background:var(--bg-raised);color:var(--text-1)}
.news-thumb{flex:0 0 168px;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:#0F1211}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;flex:1 1 auto}
.news-title{font-size:1.0625rem;font-weight:700;margin:10px 0 6px;line-height:1.5}
.news-card:hover .news-title{color:var(--brand)}
.news-sum{
  color:var(--text-2);font-size:.875rem;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:10px;font-size:.8125rem;color:var(--text-3)}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--line-hover);border-radius:var(--r-card);
  color:var(--text-2);text-align:center;
}
.empty-state i{font-size:1.75rem;color:var(--brand)}
.empty-state .btn-ghost{margin-top:6px}

/* CTA 条 */
.cta-bar{
  position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(10,12,11,.94),rgba(10,12,11,.62) 62%,rgba(10,12,11,.3)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:52px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  min-height:220px;
}
.cta-bar h2{font-size:clamp(1.5rem,2.6vw,2.125rem);max-width:560px}
.cta-bar p{color:var(--text-2);margin-top:12px;font-size:.9375rem}
.cta-lines{display:flex;flex-direction:column;gap:8px;opacity:.5}
.cta-lines span{display:block;height:6px;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),rgba(185,255,61,0))}

/* FAQ */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;color:var(--text-1);
  font-size:1rem;font-weight:700;text-align:left;cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-hover);color:var(--brand);
  display:grid;place-items:center;font-size:.75rem;
  transition:transform .3s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-a{padding:0 0 22px;color:var(--text-2);font-size:.9375rem;line-height:1.85;max-width:760px}

/* FOOTER */
.site-footer{margin-top:40px;border-top:1px solid var(--line);background:var(--bg-raised)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{width:30px;height:30px;font-size:.6875rem;border-radius:8px}
.foot-desc{color:var(--text-2);font-size:.875rem;max-width:320px}
.foot-title{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);margin-bottom:18px}
.foot-links li{margin-bottom:12px}
.foot-links a{font-size:.875rem;color:var(--text-2)}
.foot-links a:hover{color:var(--brand)}
.foot-search{display:flex;gap:10px;margin-top:14px}
.foot-search input{
  flex:1 1 auto;height:44px;padding:0 14px;border-radius:var(--r-btn);
  background:var(--bg-card);border:1px solid var(--line);color:var(--text-1);font-size:.875rem;
}
.foot-search input:focus{outline:none;border-color:var(--brand);background:rgba(185,255,61,.08)}
.foot-bottom{
  border-top:1px solid var(--line-soft);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:.75rem;color:var(--text-3);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1199px){
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .feature-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .hero-inner{padding:80px 0 96px}
}
@media (max-width:767px){
  .search-form{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-brand{display:none}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-thumb{flex:0 0 120px}
  .stats-band,.cta-bar{padding:32px 22px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:18px}
  .hero{min-height:520px}
}
@media (max-width:575px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .news-card{flex-direction:column}
  .news-thumb{flex:0 0 auto;width:100%}
  .foot-grid{grid-template-columns:1fr}
  .hero-meta{gap:8px 14px}
  .drawer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg-base:#0A0C0B;
  --bg-raised:#121514;
  --bg-card:#171B19;
  --brand:#B9FF3D;
  --brand-ink:#0A0C0B;
  --accent:#7C5CFF;
  --warn:#FF7A45;
  --text-1:#F3F6F2;
  --text-2:#A7B0A8;
  --text-3:#6E776F;
  --line:rgba(235,255,240,.08);
  --line-strong:rgba(235,255,240,.14);
  --line-hover:rgba(185,255,61,.35);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  --sh-hover:0 28px 56px rgba(0,0,0,.66), inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(185,255,61,.28)}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(10,12,11,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:22px;height:68px;transition:height .25s var(--ease)}
.site-header.shrink .topbar{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:var(--brand-ink);
  font-weight:900;font-size:.95rem;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 3px rgba(185,255,61,.14);
}
.brand-name{font-size:1.125rem;font-weight:900;letter-spacing:-.01em;white-space:nowrap}
.top-search{
  position:relative;flex:1 1 auto;max-width:520px;margin-left:auto;
}
.top-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--text-3);fill:none;stroke-width:2}
.top-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  background:var(--bg-raised);border:1px solid var(--line);
  padding:0 18px 0 44px;font-size:.9375rem;outline:none;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.top-search input::placeholder{color:var(--text-3)}
.top-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:.9375rem;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),background .18s var(--ease);
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(185,255,61,.18);color:var(--brand-ink)}
.btn-brand:active{transform:translateY(0)}
.btn-top{height:44px;padding:0 20px;flex:0 0 auto}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line);color:var(--text-1);
  font-weight:600;font-size:.9375rem;cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(185,255,61,.08);color:var(--brand);transform:translateY(-2px)}
.btn-sm-x{height:40px;padding:0 18px;font-size:.875rem}

.nav-channels{border-top:1px solid var(--line);height:44px;transition:height .25s var(--ease)}
.site-header.shrink .nav-channels{height:40px}
.chan-scroll{
  display:flex;align-items:center;height:100%;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chan-scroll::-webkit-scrollbar{display:none}
.chan-list{display:flex;align-items:center;gap:10px;white-space:nowrap}
.chan-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  color:var(--text-2);font-size:.875rem;font-weight:600;
  scroll-snap-align:start;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.chan-pill:hover{color:var(--brand);border-color:var(--line-hover);background:rgba(185,255,61,.06)}
.chan-pill.active{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--bg-raised);border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text-1);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:96px;bottom:0;z-index:1039;
  background:rgba(10,12,11,.98);
  padding:24px 20px 48px;overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.open{display:block}
.mobile-drawer .d-title{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;text-transform:uppercase}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px}
.drawer-grid a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-btn);
  font-weight:600;font-size:.9375rem;
}
.drawer-grid a.active{border-color:var(--brand);color:var(--brand)}
.drawer-search{display:flex;gap:10px}
.drawer-search input{
  flex:1;height:48px;border-radius:var(--r-pill);background:var(--bg-raised);
  border:1px solid var(--line);padding:0 18px;outline:none;
}
.drawer-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08)}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  padding:44px 0 52px;
  background:
    linear-gradient(90deg,rgba(10,12,11,.95),rgba(10,12,11,.74) 58%,rgba(10,12,11,.58)),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,rgba(10,12,11,0),var(--bg-base));
  pointer-events:none;
}
.article-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--text-2);max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-h1{
  font-size:clamp(1.75rem,3.4vw,2.75rem);
  line-height:1.22;max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;font-size:.8125rem;color:var(--text-3)}
.badge-topic{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(124,92,255,.12);color:#B9A9FF;font-size:.75rem;font-weight:700;
  letter-spacing:.06em;border:1px solid rgba(124,92,255,.22);
}
.badge-topic:hover{color:#CFC4FF;border-color:rgba(124,92,255,.5)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}

/* ---------- layout ---------- */
.article-section{padding:64px 0 80px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:64px;justify-content:center;align-items:start;
}
.prose{color:#DDE4DD;font-size:1.0625rem;line-height:1.9}
.prose > * + *{margin-top:1.2em}
.prose h2{
  font-size:clamp(1.375rem,2.2vw,1.625rem);
  color:var(--text-1);padding-left:14px;border-left:3px solid var(--brand);
  margin-top:2em;
}
.prose h3{font-size:1.1875rem;color:var(--text-1);margin-top:1.6em}
.prose h4{font-size:1.0625rem;color:var(--text-1);margin-top:1.4em}
.prose p{margin-bottom:1.2em}
.prose a{color:var(--brand);border-bottom:2px solid rgba(185,255,61,.35)}
.prose a:hover{border-bottom-color:var(--brand)}
.prose ul,.prose ol{padding-left:1.35em;margin-bottom:1.2em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--brand)}
.prose blockquote{
  border-left:2px solid var(--brand);background:rgba(185,255,61,.05);
  padding:16px 22px;border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2);
}
.prose img{border-radius:var(--r-img);margin:1.6em 0 .6em;width:100%;height:auto}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.prose table{width:100%;border-collapse:collapse;font-size:.9375rem;margin:1.4em 0}
.prose th,.prose td{border:1px solid var(--line-strong);padding:10px 14px;text-align:left}
.prose th{background:rgba(255,255,255,.03);color:var(--text-1);font-weight:700}
.prose tr:nth-child(even) td{background:rgba(255,255,255,.012)}
.prose code{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.9em}
.prose pre{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;overflow-x:auto}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ---------- sidebar ---------- */
.side{position:sticky;top:132px;display:grid;gap:20px}
.side-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card)}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.08em;color:var(--text-3);
  font-weight:700;margin-bottom:14px;
}
.side-title::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--brand)}
.toc-list li + li{margin-top:2px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:.875rem;color:var(--text-2);
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:rgba(255,255,255,.03);color:var(--brand);border-left-color:var(--brand)}
.rank-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-num{
  font-size:1.125rem;font-weight:900;color:transparent;
  -webkit-text-stroke:1px rgba(185,255,61,.6);line-height:1.4;flex:0 0 auto;min-width:26px;
}
.rank-list a{font-size:.9375rem;font-weight:600;line-height:1.55;color:var(--text-1)}
.rank-list a:hover{color:var(--brand)}
.rank-sub{display:block;font-size:.75rem;color:var(--text-3);font-weight:400;margin-top:2px}
.side-cta{background:linear-gradient(150deg,rgba(185,255,61,.14),rgba(124,92,255,.12));border-color:var(--line-hover)}
.side-cta p{font-size:.875rem;color:var(--text-2);margin:8px 0 16px;line-height:1.7}

/* ---------- tail links ---------- */
.article-tail{display:flex;flex-wrap:wrap;gap:26px;margin-top:48px;padding-top:26px;border-top:1px solid var(--line)}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.9375rem;
  color:var(--text-1);border-bottom:2px solid rgba(185,255,61,.28);padding-bottom:3px;
}
.text-link:hover{color:var(--brand);border-bottom-color:var(--brand)}
.text-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- sections ---------- */
.sec{padding:76px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-eyebrow{font-size:.75rem;letter-spacing:.08em;color:var(--brand);font-weight:700;margin-bottom:10px;display:block}
.sec-h2{font-size:clamp(1.5rem,2.6vw,2.25rem)}
.sec-sub{color:var(--text-2);font-size:.9375rem;margin-top:10px;max-width:60ch}

.reco-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.post-card{
  display:block;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--sh-hover);color:inherit}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0A0C0B,#1D2A18)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.04)}
.post-tag{
  position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:.6875rem;font-weight:700;letter-spacing:.06em;
  background:rgba(124,92,255,.9);color:#fff;
}
.post-body{padding:16px 18px 18px}
.post-title{font-size:1rem;line-height:1.45;font-weight:700}
.post-card:hover .post-title{color:var(--brand)}
.post-meta{font-size:.75rem;color:var(--text-3);margin-top:8px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    linear-gradient(90deg,rgba(10,12,11,.94),rgba(10,12,11,.6) 55%,rgba(10,12,11,.35)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2.125rem);max-width:20ch}
.cta-band p{color:var(--text-2);margin-top:12px;font-size:.9375rem;max-width:52ch}
.subtitle-bars{display:flex;gap:6px;align-items:flex-end;height:64px}
.subtitle-bars i{display:block;width:6px;border-radius:3px;background:linear-gradient(180deg,var(--brand),rgba(185,255,61,.12))}
.subtitle-bars i:nth-child(1){height:26px}
.subtitle-bars i:nth-child(2){height:44px}
.subtitle-bars i:nth-child(3){height:34px}
.subtitle-bars i:nth-child(4){height:58px}
.subtitle-bars i:nth-child(5){height:40px}
.subtitle-bars i:nth-child(6){height:22px}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;padding:20px 4px;cursor:pointer;
  font-size:1rem;font-weight:700;color:var(--text-1);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:0;top:7px;width:16px;height:2px;border-radius:2px;background:var(--brand);
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.faq-icon::after{transform:rotate(90deg)}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:rotate(0);opacity:0}
.faq-a{padding:0 4px 22px;color:var(--text-2);font-size:.9375rem;line-height:1.85;max-width:70ch}

/* ---------- empty state ---------- */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.012);
}
.empty-state svg{width:38px;height:38px;stroke:var(--brand);fill:none;stroke-width:1.6;margin:0 auto 16px}
.empty-state h3{font-size:1.125rem;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:.9375rem;margin-bottom:22px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-raised);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.brand-mark-sm{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--brand-ink);
  font-weight:900;font-size:.8125rem;display:flex;align-items:center;justify-content:center;
}
.foot-brand .brand-name{font-size:1.0625rem;font-weight:900}
.foot-desc{color:var(--text-3);font-size:.875rem;line-height:1.8;max-width:38ch}
.foot-title{font-size:.8125rem;font-weight:700;letter-spacing:.06em;color:var(--text-2);margin-bottom:16px}
.foot-links li{margin-bottom:10px}
.foot-links a{color:var(--text-3);font-size:.875rem}
.foot-links a:hover{color:var(--brand)}
.foot-search{display:flex;gap:10px;margin-top:14px}
.foot-search input{
  flex:1;min-width:0;height:44px;border-radius:var(--r-pill);
  background:var(--bg-base);border:1px solid var(--line);padding:0 16px;font-size:.875rem;outline:none;
}
.foot-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:44px}
  .reco-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .foot-grid > div:last-child{grid-column:1/-1}
}
@media (max-width:991px){
  .wrap{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px}
  .side{position:static}
  .reco-grid{grid-template-columns:repeat(3,1fr)}
  .sec{padding:64px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .topbar{height:56px;gap:12px}
  .site-header.shrink .topbar{height:56px}
  .nav-channels{height:40px}
  .site-header.shrink .nav-channels{height:40px}
  .top-search{display:none}
  .btn-top{display:none}
  .nav-toggle{display:flex}
  .mobile-drawer{top:96px}
  .article-hero{padding:28px 0 40px}
  .article-h1{max-width:100%;font-size:clamp(1.6rem,6.2vw,2.1rem)}
  .article-section{padding:44px 0 60px}
  .prose{font-size:1.0625rem}
  .reco-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cta-inner{padding:44px 0}
  .subtitle-bars{display:none}
  .sec{padding:56px 0}
  .site-footer{padding:48px 0 24px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:519px){
  .reco-grid{grid-template-columns:1fr}
  .article-tail{gap:18px}
  .drawer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg-base:#0A0C0B;
  --bg-raised:#121514;
  --bg-card:#171B19;
  --bg-overlay:linear-gradient(90deg, rgba(10,12,11,.94), rgba(10,12,11,.55) 55%, rgba(10,12,11,.15));
  --brand:#B9FF3D;
  --brand-ink:#0A0C0B;
  --accent:#7C5CFF;
  --warn:#FF7A45;
  --text-1:#F3F6F2;
  --text-2:#A7B0A8;
  --text-3:#6E776F;
  --line:rgba(235,255,240,.08);
  --line-hover:rgba(185,255,61,.35);
  --shadow-card:0 18px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  --shadow-card-hover:0 26px 56px rgba(0,0,0,.68), inset 0 1px 0 rgba(255,255,255,.06);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --head-h:68px;
  --chan-h:44px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:850;letter-spacing:-0.02em;line-height:1.2;color:var(--text-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);}
.sec-head p{color:var(--text-2);font-size:.9375rem;margin-top:10px;max-width:640px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.08em;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-hover);color:var(--brand);
  background:rgba(185,255,61,.06);text-transform:uppercase;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--brand-ink);
  font-weight:700;font-size:.9375rem;letter-spacing:.01em;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.btn-brand:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(185,255,61,.18);color:var(--brand-ink);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:transparent;color:var(--text-1);
  font-weight:600;font-size:.9375rem;
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(185,255,61,.08);color:var(--brand);transform:translateY(-2px);}
.btn-sm-x{height:40px;padding:0 18px;font-size:.875rem;border-radius:var(--r-btn);}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:.9375rem;font-weight:600;position:relative;}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--brand);
  transition:width .3s var(--ease);
}
.link-more:hover::after{width:100%;}
.link-more i{transition:transform .18s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ============ HEADER ============ */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,12,11,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease);
}
.head-row{
  height:var(--head-h);display:flex;align-items:center;gap:20px;
  transition:height .3s var(--ease);
}
.site-head.is-stuck .head-row{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(185,255,61,.22),rgba(124,92,255,.22));
  border:1px solid var(--line-hover);
  color:var(--brand);font-weight:900;font-size:.875rem;letter-spacing:.02em;
}
.brand-name{font-weight:850;font-size:1.125rem;letter-spacing:-.02em;white-space:nowrap;}
.head-search{
  flex:1;max-width:520px;position:relative;display:flex;align-items:center;
}
.head-search i{position:absolute;left:18px;color:var(--text-3);font-size:.875rem;pointer-events:none;}
.head-search input{
  width:100%;height:48px;border-radius:var(--r-pill);
  background:var(--bg-raised);border:1px solid var(--line);
  color:var(--text-1);padding:0 20px 0 44px;font-size:.9375rem;outline:none;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.head-search input::placeholder{color:var(--text-3);}
.head-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08);}
.head-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;font-size:1rem;
}
.nav-burger:hover{border-color:var(--line-hover);color:var(--brand);}

/* ============ CHANNELS ============ */
.nav-channels{
  border-top:1px solid var(--line);
  background:rgba(18,21,20,.7);
}
.chan-scroll{
  height:var(--chan-h);display:flex;align-items:center;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chan-scroll::-webkit-scrollbar{display:none;}
.chan-list{display:flex;align-items:center;gap:10px;}
.chan-pill{
  display:inline-flex;align-items:center;
  height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:.875rem;font-weight:600;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;scroll-snap-align:start;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.chan-pill:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.chan-pill.active{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);}

/* ============ DRAWER ============ */
.drawer{
  position:fixed;inset:0;z-index:1050;background:rgba(10,12,11,.98);
  backdrop-filter:blur(10px);
  display:flex;flex-direction:column;gap:28px;
  padding:24px 20px 40px;overflow-y:auto;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .32s var(--ease),opacity .32s var(--ease);
}
.drawer.open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  display:grid;place-items:center;font-size:1.1rem;
}
.drawer-close:hover{border-color:var(--line-hover);color:var(--brand);}
.drawer-search{position:relative;display:flex;align-items:center;}
.drawer-search i{position:absolute;left:18px;color:var(--text-3);}
.drawer-search input{
  width:100%;height:48px;border-radius:var(--r-pill);
  background:var(--bg-raised);border:1px solid var(--line);
  color:var(--text-1);padding:0 18px 0 44px;outline:none;
}
.drawer-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08);}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.drawer-grid a{
  min-height:52px;display:flex;align-items:center;padding:0 18px;
  border-radius:var(--r-card);border:1px solid var(--line);background:var(--bg-card);
  font-weight:650;
}
.drawer-grid a.active{border-color:var(--line-hover);color:var(--brand);background:rgba(185,255,61,.06);}
.drawer-note{color:var(--text-3);font-size:.8125rem;}

/* ============ BREADCRUMB ============ */
.crumb{padding:24px 0 0;font-size:.8125rem;color:var(--text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li + li::before{content:"/";color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb [aria-current]{color:var(--text-1);}

/* ============ HERO ============ */
.cat-hero{
  position:relative;margin-top:20px;overflow:hidden;
  border-radius:20px;border:1px solid var(--line);
  min-height:clamp(360px,46vh,520px);
  display:flex;align-items:flex-end;
  background:#0A0C0B url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.cat-hero::before{content:"";position:absolute;inset:0;background:var(--bg-overlay);}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(10,12,11,0),var(--bg-base));
}
.cat-hero-inner{position:relative;z-index:2;padding:clamp(28px,4vw,56px);max-width:760px;}
.cat-hero h1{
  font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.12;
  margin:18px 0 16px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero .lede{color:var(--text-2);font-size:1.0625rem;max-width:620px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;font-size:.8125rem;color:var(--text-2);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--brand);}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.tag-pill{
  font-size:.75rem;letter-spacing:.06em;color:var(--accent);
  background:rgba(124,92,255,.12);border:1px solid rgba(124,92,255,.28);
  padding:5px 12px;border-radius:var(--r-pill);
}
.tag-pill.green{color:var(--brand);background:rgba(185,255,61,.1);border-color:rgba(185,255,61,.3);}

/* ============ CAT TABS ============ */
.cat-tabs{border-bottom:1px solid var(--line);margin-top:40px;}
.cat-tabs ul{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none;}
.cat-tabs ul::-webkit-scrollbar{display:none;}
.cat-tabs a{
  position:relative;display:inline-block;padding:0 2px 14px;
  font-size:.9375rem;font-weight:650;color:var(--text-2);white-space:nowrap;
}
.cat-tabs a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent;
  transition:background .22s var(--ease);
}
.cat-tabs a:hover{color:var(--text-1);}
.cat-tabs a.active{color:var(--brand);}
.cat-tabs a.active::after{background:var(--brand);}

/* ============ FILTER ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:22px 0 6px;
}
.filter-bar .fl-label{font-size:.8125rem;color:var(--text-3);margin-right:4px;}
.filter-pill{
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg-raised);
  color:var(--text-2);font-size:.875rem;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.filter-pill:hover{border-color:var(--line-hover);color:var(--brand);transform:translateY(-2px);}
.filter-pill.active{background:rgba(185,255,61,.1);border-color:var(--line-hover);color:var(--brand);}
.filter-divider{width:1px;height:22px;background:var(--line);margin:0 6px;}

/* ============ POSTER GRID ============ */
.poster-section{padding:48px 0 96px;}
.poster-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(132px,1fr));
  gap:22px 16px;
}
.poster{
  position:relative;display:block;border-radius:var(--r-card);
  background:var(--bg-card);border:1px solid var(--line);
  overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.poster:hover{
  transform:translateY(-4px);
  border-color:var(--line-hover);
  box-shadow:var(--shadow-card-hover);
}
.poster-thumb{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--bg-raised);}
.poster-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.poster:hover .poster-thumb img{transform:scale(1.04);}
.poster-badge{
  position:absolute;top:8px;left:8px;z-index:2;
  font-size:.6875rem;font-weight:700;letter-spacing:.04em;
  padding:3px 9px;border-radius:var(--r-pill);
  background:var(--brand);color:var(--brand-ink);
}
.poster-badge.purple{background:rgba(124,92,255,.9);color:#fff;}
.poster-time{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 10px 10px;
  background:linear-gradient(180deg,rgba(10,12,11,0),rgba(10,12,11,.92));
  font-size:.75rem;color:var(--brand);
  opacity:0;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.poster:hover .poster-time{opacity:1;transform:translateY(0);}
.poster-name{
  padding:12px 12px 4px;font-size:.875rem;font-weight:700;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.poster-sub{
  padding:0 12px 14px;font-size:.75rem;color:var(--text-3);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.poster:hover .poster-name{color:var(--brand);}

.load-more{display:flex;justify-content:center;margin-top:48px;}

/* ============ HIGHLIGHT STRIP ============ */
.strip{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--bg-raised);
}
.strip-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);
}
.strip-cell{background:var(--bg-raised);padding:34px 26px;}
.strip-cell .num{
  font-size:clamp(1.75rem,2.6vw,2.5rem);font-weight:900;letter-spacing:-.03em;
  color:var(--text-1);
}
.strip-cell .num span{color:var(--brand);font-size:1rem;margin-left:4px;font-weight:700;}
.strip-cell .cap{margin-top:8px;font-size:.875rem;color:var(--text-2);}

/* ============ GUIDE ============ */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.guide-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--shadow-card);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.guide-card:hover{transform:translateY(-4px);border-color:var(--line-hover);}
.guide-card .gc-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(185,255,61,.1);border:1px solid rgba(185,255,61,.28);
  color:var(--brand);font-size:1rem;margin-bottom:18px;
}
.guide-card h3{font-size:1.125rem;margin-bottom:10px;}
.guide-card p{color:var(--text-2);font-size:.9375rem;line-height:1.8;}
.guide-card ul{margin-top:16px;}
.guide-card li{
  padding:10px 0;border-top:1px solid rgba(255,255,255,.06);
  font-size:.875rem;color:var(--text-2);display:flex;gap:10px;align-items:flex-start;
}
.guide-card li i{color:var(--brand);margin-top:6px;font-size:.6875rem;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid rgba(255,255,255,.06);}
.faq-item:first-child{border-top:1px solid rgba(255,255,255,.06);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:1rem;font-weight:700;color:var(--text-1);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .fx{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:.75rem;color:var(--brand);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.faq-q[aria-expanded="true"] .fx{transform:rotate(45deg);border-color:var(--line-hover);}
.faq-a{padding:0 4px 24px;color:var(--text-2);font-size:.9375rem;max-width:740px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid var(--line);
  background:#0A0C0B url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  min-height:230px;display:flex;align-items:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:var(--bg-overlay);}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;
  justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:clamp(28px,4vw,52px);width:100%;
}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.25rem);max-width:620px;}
.cta-inner p{color:var(--text-2);margin-top:12px;font-size:.9375rem;max-width:560px;}

/* ============ CROSS LINKS ============ */
.cross{padding:64px 0 96px;}
.cross-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.cross-pill{
  display:inline-flex;align-items:center;gap:10px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg-raised);
  font-size:.9375rem;font-weight:650;color:var(--text-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.cross-pill:hover{border-color:var(--line-hover);color:var(--brand);background:rgba(185,255,61,.06);transform:translateY(-2px);}
.cross-pill.active{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);}
.cross-pill.active:hover{color:var(--brand-ink);}

/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);background:var(--bg-raised);padding:72px 0 32px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:48px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.foot-title{font-size:.875rem;font-weight:750;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em;}
.foot-desc{color:var(--text-2);font-size:.875rem;max-width:340px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{color:var(--text-2);font-size:.875rem;}
.foot-links a:hover{color:var(--brand);}
.foot-search{display:flex;gap:10px;margin-top:16px;}
.foot-search input{
  flex:1;height:40px;border-radius:var(--r-pill);background:var(--bg-base);
  border:1px solid var(--line);color:var(--text-1);padding:0 18px;font-size:.875rem;outline:none;
}
.foot-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08);}
.foot-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.75rem;color:var(--text-3);
}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ RESPONSIVE ============ */
@media (max-width:1599px){
  .poster-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));}
}
@media (max-width:1199px){
  .strip-grid{grid-template-columns:repeat(2,1fr);}
  .guide-grid{grid-template-columns:repeat(2,1fr);}
  .poster-grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));}
}
@media (max-width:991px){
  .wrap{padding:0 24px;}
  .head-search{display:none;}
  .nav-burger{display:inline-flex;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
  .cat-hero{border-radius:16px;}
}
@media (max-width:767px){
  :root{--head-h:56px;--chan-h:40px;}
  .wrap{padding:0 20px;}
  .head-actions .btn-brand{display:none;}
  .cat-tabs ul{gap:20px;}
  .guide-grid{grid-template-columns:1fr;}
  .poster-grid{grid-template-columns:repeat(3,1fr);gap:16px 12px;}
  .poster-name{font-size:.8125rem;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  .poster-grid{grid-template-columns:repeat(2,1fr);}
  .strip-grid{grid-template-columns:1fr;}
  .cat-hero{min-height:420px;}
  .hero-meta{gap:8px 14px;}
  .foot-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-base:#0A0C0B;
  --bg-raised:#121514;
  --bg-card:#171B19;
  --brand:#B9FF3D;
  --brand-ink:#0A0C0B;
  --accent:#7C5CFF;
  --warn:#FF7A45;
  --text-1:#F3F6F2;
  --text-2:#A7B0A8;
  --text-3:#6E776F;
  --line:rgba(235,255,240,.08);
  --line-strong:rgba(235,255,240,.14);
  --line-hover:rgba(185,255,61,.35);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  --shadow-hover:0 26px 58px rgba(0,0,0,.68), inset 0 1px 0 rgba(255,255,255,.07);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:var(--font);
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--text-1);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--brand);color:var(--brand-ink);
  font-size:.95rem;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.btn-brand:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(185,255,61,.18);color:var(--brand-ink);}
.btn-brand:active{transform:translateY(0);}
.btn-sm-x{height:40px;padding:0 18px;font-size:.875rem;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  font-size:.95rem;font-weight:600;cursor:pointer;
  transition:border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(185,255,61,.08);color:var(--text-1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.link-more{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;font-weight:600;color:var(--text-2);
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;
  background:var(--brand);transition:width .3s var(--ease);
}
.link-more:hover{color:var(--brand);}
.link-more:hover::after{width:100%;}
.link-more i{font-size:.75rem;transition:transform .2s var(--ease);}
.link-more:hover i{transform:translateX(3px);}

/* ============ 顶部双层导航 ============ */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,12,11,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-top{height:68px;transition:height .25s var(--ease);}
.site-head.is-scrolled .nav-top{height:60px;}
.nav-top-inner{height:100%;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  background:var(--bg-card);
  border:2px solid var(--brand);
  color:var(--brand);font-weight:900;font-size:.9rem;letter-spacing:.04em;
}
.brand-name{font-size:1.0625rem;font-weight:900;letter-spacing:-.01em;white-space:nowrap;}
.nav-search{
  position:relative;flex:1 1 auto;max-width:440px;
}
.nav-search i{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:.85rem;pointer-events:none;
}
.nav-search input{
  width:100%;height:48px;border-radius:var(--r-pill);
  background:var(--bg-raised);border:1px solid var(--line);
  color:var(--text-1);padding:0 18px 0 42px;font-size:.9375rem;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08);outline-offset:3px;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  font-size:1rem;cursor:pointer;transition:border-color .18s var(--ease);
}
.nav-burger:hover{border-color:var(--line-hover);color:var(--brand);}

.nav-channels{border-top:1px solid var(--line);}
.chan-scroll{position:relative;}
.chan-list{
  display:flex;align-items:center;gap:10px;
  height:44px;overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.chan-list::-webkit-scrollbar{display:none;}
.chan-pill{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;
  height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:.875rem;font-weight:600;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.chan-pill:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.chan-pill.active{background:var(--brand);color:var(--brand-ink);font-weight:700;}
.chan-pill.active:hover{color:var(--brand-ink);background:var(--brand);}

.drawer{
  display:none;position:fixed;inset:0;z-index:1040;
  background:rgba(10,12,11,.98);
  padding:88px 20px 40px;overflow-y:auto;
}
.drawer.open{display:block;}
.drawer-title{font-size:.75rem;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:14px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-grid a{
  min-height:56px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  font-size:.9375rem;font-weight:600;
}
.drawer-grid a.active{border-color:var(--line-hover);color:var(--brand);}
.drawer-close{
  position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);font-size:1rem;
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:.8125rem;color:var(--text-3);padding-top:26px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--text-3);opacity:.6;}
.crumb .cur{color:var(--text-2);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  background-image:linear-gradient(90deg,rgba(10,12,11,.96),rgba(10,12,11,.72) 52%,rgba(10,12,11,.32)),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding-bottom:56px;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,rgba(10,12,11,0),var(--bg-base));
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:28px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-hover);color:var(--brand);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
}
.cat-hero h1{
  font-size:clamp(2rem,4.4vw,3.35rem);
  line-height:1.12;margin:20px 0 0;max-width:820px;
}
.hero-sub{
  margin:18px 0 0;max-width:640px;
  font-size:1.0625rem;line-height:1.85;color:var(--text-2);
}
.hero-stats{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:26px;font-size:.8125rem;color:var(--text-3);
}
.hero-stats i{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ============ 筛选条 ============ */
.filter-bar{
  border-bottom:1px solid var(--line);
  background:var(--bg-base);
  position:relative;z-index:3;
}
.filter-inner{
  display:flex;align-items:center;gap:10px;
  height:64px;overflow-x:auto;
  -ms-overflow-style:none;scrollbar-width:none;
}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-label{
  flex:0 0 auto;font-size:.75rem;letter-spacing:.08em;
  color:var(--text-3);margin-right:6px;text-transform:uppercase;
}

/* ============ 主体布局 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:34px;
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
.sec-head .sec-note{font-size:.875rem;color:var(--text-3);margin:8px 0 0;}
.sec-title-only h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:8px;}
.sec-title-only .sec-note{color:var(--text-3);font-size:.875rem;margin-bottom:34px;}

/* 长卡列表 */
.list-stack{display:flex;flex-direction:column;gap:16px;}
.row-card{
  display:flex;gap:20px;padding:18px;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.row-card:hover{
  border-color:var(--line-hover);transform:translateY(-4px);box-shadow:var(--shadow-hover);
}
.rc-thumb{
  flex:0 0 240px;width:240px;border-radius:var(--r-img);overflow:hidden;background:var(--bg-raised);
}
.rc-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .5s var(--ease);
}
.row-card:hover .rc-thumb img{transform:scale(1.04);}
.rc-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.rc-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap;}
.badge-tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  background:rgba(124,92,255,.12);color:#B9A9FF;
  font-size:.75rem;font-weight:600;letter-spacing:.04em;
}
.badge-hot{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--brand);color:var(--brand-ink);
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
}
.rc-time{font-size:.8125rem;color:var(--text-3);}
.rc-title{font-size:1.25rem;margin-bottom:8px;}
.rc-title a:hover{color:var(--brand);}
.rc-desc{
  font-size:.9375rem;color:var(--text-2);line-height:1.8;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rc-foot{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;
  font-size:.8125rem;color:var(--text-3);
}
.rc-foot span{
  padding:2px 10px;border-radius:var(--r-pill);border:1px solid var(--line);
}

/* 侧栏 */
.side-col{position:relative;}
.side-sticky{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px;}
.panel{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-card);
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;margin-bottom:8px;border-bottom:1px solid var(--line);
}
.panel-head h2{font-size:1.0625rem;}
.panel-head span{font-size:.75rem;color:var(--text-3);letter-spacing:.08em;}
.top-list li{
  display:flex;align-items:center;gap:14px;
  padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .18s var(--ease);
}
.top-list li:last-child{border-bottom:0;padding-bottom:0;}
.top-list li:hover{background:rgba(255,255,255,.03);}
.top-list li:hover .top-name{color:var(--brand);}
.top-num{
  flex:0 0 34px;font-size:1.25rem;font-weight:900;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1px var(--brand);line-height:1;
  transition:color .18s var(--ease);
}
.top-list li:hover .top-num{color:var(--brand);-webkit-text-stroke:1px var(--brand);}
.top-name{flex:1 1 auto;font-size:.9375rem;font-weight:600;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.top-score{font-size:.8125rem;color:var(--text-3);font-variant-numeric:tabular-nums;}

.side-cta{
  background:linear-gradient(160deg,rgba(185,255,61,.10),rgba(23,27,25,.95) 60%),var(--bg-card);
  border:1px solid var(--line-hover);
  border-radius:var(--r-card);padding:24px;
}
.side-cta h3{font-size:1.125rem;margin-bottom:10px;}
.side-cta p{font-size:.875rem;color:var(--text-2);line-height:1.75;margin-bottom:18px;}
.side-list li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:.875rem;}
.side-list li:last-child{border-bottom:0;}
.side-list a{color:var(--text-2);display:flex;align-items:center;gap:10px;}
.side-list a i{font-size:.7rem;color:var(--brand);}
.side-list a:hover{color:var(--brand);}

/* 卖点卡 */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.value-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;transition:border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.value-card:hover{border-color:var(--line-hover);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.value-icon{
  width:46px;height:46px;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  background:rgba(185,255,61,.10);border:1px solid var(--line-hover);
  color:var(--brand);font-size:1.05rem;margin-bottom:18px;
}
.value-card h3{font-size:1.125rem;margin-bottom:10px;}
.value-card p{font-size:.9375rem;color:var(--text-2);line-height:1.8;}

/* 流程 */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step-item{
  position:relative;padding:24px 22px;
  background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.step-item:hover{border-color:var(--line-hover);transform:translateY(-4px);}
.step-no{
  display:block;font-size:1.5rem;font-weight:900;letter-spacing:-.03em;
  color:var(--brand);margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:1.0625rem;margin-bottom:8px;}
.step-item p{font-size:.875rem;color:var(--text-2);line-height:1.8;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-raised);overflow:hidden;
}
.stat-cell{padding:28px 24px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-cell b{display:block;font-size:1.75rem;font-weight:900;letter-spacing:-.02em;color:var(--brand);}
.stat-cell span{font-size:.875rem;color:var(--text-2);}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;background:transparent;border:0;text-align:left;
  color:var(--text-1);font-size:1rem;font-weight:700;cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);color:var(--brand);
  font-size:.9rem;line-height:1;transition:transform .25s var(--ease),border-color .18s var(--ease);
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);border-color:var(--line-hover);}
.faq-a{padding:0 4px 24px;max-width:760px;color:var(--text-2);font-size:.9375rem;line-height:1.9;}

/* CTA 条 */
.cta-band{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(10,12,11,.96),rgba(10,12,11,.6) 58%,rgba(10,12,11,.25)),
                   url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:38%;
  background:repeating-linear-gradient(90deg,rgba(185,255,61,.16) 0 2px,transparent 2px 14px);
  opacity:.5;pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:620px;}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:1rem;}
.cta-band .cta-act{position:relative;z-index:2;}

/* 分类互链 */
.more-cats{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
}
.more-cats .mc-label{
  font-size:.75rem;letter-spacing:.08em;color:var(--text-3);margin-right:4px;text-transform:uppercase;
}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);color:var(--text-2);
  font-size:.875rem;font-weight:600;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease);
}
.pill-link:hover{border-color:var(--line-hover);background:rgba(185,255,61,.08);color:var(--text-1);transform:translateY(-2px);}

/* 页脚 */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-raised);
  padding:72px 0 28px;margin-top:24px;
}
.foot-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-desc{font-size:.875rem;color:var(--text-2);line-height:1.85;max-width:340px;}
.foot-title{
  font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-3);font-weight:700;margin-bottom:16px;
}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:.875rem;color:var(--text-2);}
.foot-links a:hover{color:var(--brand);}
.foot-search{display:flex;gap:10px;margin-top:14px;}
.foot-search input{
  flex:1 1 auto;min-width:0;height:40px;border-radius:var(--r-btn);
  background:var(--bg-base);border:1px solid var(--line);
  color:var(--text-1);padding:0 14px;font-size:.875rem;
  transition:border-color .18s var(--ease),background .18s var(--ease);
}
.foot-search input::placeholder{color:var(--text-3);}
.foot-search input:focus{border-color:var(--brand);background:rgba(185,255,61,.08);}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  font-size:.75rem;color:var(--text-3);
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .foot-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .side-sticky{position:static;top:auto;}
  .value-grid{grid-template-columns:1fr 1fr;}
  .step-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-cell:nth-child(2n){border-right:0;}
  .stat-cell:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .nav-search{max-width:none;}
  .cta-band{padding:44px 32px;}
}
@media (max-width:767.98px){
  .rc-thumb{flex:0 0 100%;width:100%;}
  .row-card{flex-direction:column;gap:16px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band::after{width:100%;height:26px;top:auto;bottom:0;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:575.98px){
  .wrap{padding:0 20px;}
  .section{padding:64px 0;}
  .nav-top{height:56px;}
  .site-head.is-scrolled .nav-top{height:56px;}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .nav-burger{display:flex;align-items:center;justify-content:center;}
  .cat-hero{padding-bottom:44px;}
  .hero-sub{font-size:1rem;}
  .value-grid,.step-grid,.foot-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:0;}
  .panel,.value-card,.side-cta{padding:20px;}
  .cta-band{padding:36px 22px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-base:#0A0C0B;
  --bg-raised:#121514;
  --bg-card:#171B19;
  --bg-overlay:linear-gradient(90deg,rgba(10,12,11,.94),rgba(10,12,11,.55) 55%,rgba(10,12,11,.15));
  --brand:#B9FF3D;
  --brand-ink:#0A0C0B;
  --accent:#7C5CFF;
  --warn:#FF7A45;
  --text-1:#F3F6F2;
  --text-2:#A7B0A8;
  --text-3:#6E776F;
  --line:rgba(235,255,240,.08);
  --line-strong:rgba(235,255,240,.14);
  --line-hover:rgba(185,255,61,.35);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 18px 40px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  --sh-hover:0 26px 54px rgba(0,0,0,.62), inset 0 1px 0 rgba(255,255,255,.06);
  --t-fast:.18s;
  --t-card:.3s;
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-h-main:72px;
  --nav-h-chan:40px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.2;
  color:var(--text-1);
  margin:0;
}
h1{font-size:clamp(2rem,4.4vw,3.6rem);line-height:1.12;font-weight:900;}
h2{font-size:clamp(1.5rem,2.6vw,2.25rem);}
h3{font-size:1.25rem;font-weight:800;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color var(--t-fast) var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,button{font-size:1rem;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px;width:100%;}
.meta{font-size:.8125rem;color:var(--text-3);}
.tag-label{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand);border:1px solid var(--line-hover);
  padding:4px 12px;border-radius:var(--r-pill);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,12,11,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-main{height:var(--nav-h-main);display:flex;align-items:center;transition:height var(--t-card) var(--ease);}
.site-header.scrolled .nav-main{height:60px;}
.nav-main-inner{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(185,255,61,.18),rgba(124,92,255,.16));
  border:1px solid var(--line-hover);
  color:var(--brand);font-weight:900;font-size:.8125rem;letter-spacing:.04em;
}
.brand-name{font-size:1.0625rem;font-weight:900;letter-spacing:-0.01em;color:var(--text-1);}
.nav-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--bg-raised);border:1px solid var(--line);
  border-radius:var(--r-pill);height:44px;padding:0 16px;gap:10px;
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.nav-search i{color:var(--text-3);font-size:.875rem;}
.nav-search input{
  flex:1;background:transparent;border:0;color:var(--text-1);height:100%;
  outline:none;font-size:.9375rem;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--line-hover);background:rgba(185,255,61,.08);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:.9375rem;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),filter var(--t-fast) var(--ease);
  white-space:nowrap;
}
.btn-brand:hover{color:var(--brand-ink);filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(185,255,61,.18);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line);color:var(--text-1);
  font-weight:600;font-size:.9375rem;
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
  white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--line-hover);background:rgba(185,255,61,.08);color:var(--text-1);transform:translateY(-2px);}
.btn-sm-x{height:40px;padding:0 18px;font-size:.875rem;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:var(--t-fast) var(--ease);}
.nav-channels{
  height:var(--nav-h-chan);
  border-top:1px solid var(--line);
  display:flex;align-items:center;
}
.chan-scroll{
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chan-scroll::-webkit-scrollbar{display:none;}
.chan-list{display:flex;align-items:center;gap:10px;}
.chan-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 16px;
  border-radius:var(--r-pill);font-size:.875rem;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;scroll-snap-align:start;
  transition:color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.chan-pill:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.chan-pill.active{background:var(--brand);color:var(--brand-ink);font-weight:700;}
.chan-pill.active:hover{background:var(--brand);color:var(--brand-ink);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1040;background:rgba(10,12,11,.98);
  backdrop-filter:blur(10px);display:none;flex-direction:column;padding:20px;
}
.drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:transparent;color:var(--text-1);font-size:1.125rem;
}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;}
.drawer-grid a{
  min-height:56px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-card);
  font-weight:700;font-size:.9375rem;
}
.drawer-grid a.active{border-color:var(--line-hover);color:var(--brand);background:rgba(185,255,61,.08);}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);}

/* ---------- 页面首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:clamp(380px,48vh,540px);
  display:flex;align-items:center;
  background-image:var(--bg-overlay),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
  background:linear-gradient(180deg,rgba(10,12,11,0),var(--bg-base));
}
.page-hero .wrap{position:relative;z-index:2;padding-top:56px;padding-bottom:64px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--text-3);margin-bottom:20px;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:var(--text-2);}
.page-hero h1{max-width:820px;margin-bottom:16px;}
.hero-lead{font-size:1.0625rem;color:var(--text-2);max-width:640px;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(124,92,255,.12);
  color:#C7B8FF;font-size:.8125rem;
}
.chip-brand{background:var(--brand);color:var(--brand-ink);font-weight:700;}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.8125rem;color:var(--text-2);}
.dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block;}

/* ---------- 通用区块 ---------- */
.sec{padding:96px 0;border-top:1px solid var(--line);}
.sec-inner{width:100%;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head p{color:var(--text-2);margin-top:10px;max-width:620px;}
.link-more{
  font-size:.9375rem;font-weight:700;color:var(--text-1);
  border-bottom:2px solid var(--brand);padding-bottom:2px;white-space:nowrap;
}
.link-more i{margin-left:6px;transition:transform var(--t-fast) var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 主推大卡 ---------- */
.feat-card{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-card);box-shadow:var(--sh-card);
  transition:border-color var(--t-card) var(--ease),transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease);
}
.feat-card:hover{border-color:var(--line-hover);transform:translateY(-4px);box-shadow:var(--sh-hover);}
.feat-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.feat-card:hover .feat-media img{transform:scale(1.04);}
.feat-body{
  position:absolute;left:0;right:0;bottom:0;padding:40px;
  background:linear-gradient(0deg,rgba(10,12,11,.97),rgba(10,12,11,.62) 58%,rgba(10,12,11,0));
}
.feat-badge{
  position:absolute;top:20px;left:20px;
  background:var(--brand);color:var(--brand-ink);
  font-size:.75rem;font-weight:800;letter-spacing:.08em;
  padding:5px 12px;border-radius:var(--r-pill);
}
.feat-body h3{font-size:clamp(1.25rem,2.2vw,2rem);margin-bottom:10px;max-width:760px;}
.feat-body p{color:var(--text-2);max-width:720px;font-size:.9375rem;margin-bottom:18px;}
.feat-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}

/* ---------- 三级网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mini-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;padding:0;box-shadow:var(--sh-card);
  transition:border-color var(--t-card) var(--ease),transform var(--t-card) var(--ease),box-shadow var(--t-card) var(--ease);
}
.mini-card:hover{border-color:var(--line-hover);transform:translateY(-4px);box-shadow:var(--sh-hover);}
.mini-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-raised);}
.mini-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.mini-card:hover .mini-media img{transform:scale(1.04);}
.mini-tag{
  position:absolute;top:12px;left:12px;
  background:rgba(124,92,255,.18);color:#C7B8FF;
  font-size:.75rem;padding:4px 10px;border-radius:var(--r-pill);
  backdrop-filter:blur(6px);
}
.mini-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mini-body h3{font-size:1.0625rem;}
.mini-body p{font-size:.875rem;color:var(--text-2);line-height:1.75;}
.mini-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--text-3);}
.star-line{color:var(--brand);font-weight:700;}

/* ---------- 观看指南 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.guide-item{
  background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;overflow:hidden;
  transition:border-color var(--t-card) var(--ease),transform var(--t-card) var(--ease);
}
.guide-item:hover{border-color:var(--line-hover);transform:translateY(-4px);}
.guide-num{
  font-size:2.5rem;font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--brand);
  display:block;margin-bottom:16px;letter-spacing:-0.02em;
}
.guide-item h3{margin-bottom:10px;font-size:1.0625rem;}
.guide-item p{color:var(--text-2);font-size:.9375rem;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.acc-item{border-bottom:1px solid var(--line);}
.acc-btn{
  width:100%;background:transparent;border:0;color:var(--text-1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;font-size:1rem;font-weight:700;text-align:left;
  transition:color var(--t-fast) var(--ease);
}
.acc-btn:hover{color:var(--brand);}
.acc-btn .ico{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:.8125rem;transition:transform var(--t-card) var(--ease),border-color var(--t-fast) var(--ease);
}
.acc-btn[aria-expanded="true"] .ico{transform:rotate(135deg);border-color:var(--line-hover);}
.acc-body{padding:0 0 22px;color:var(--text-2);font-size:.9375rem;max-width:780px;}

/* ---------- CTA 条 ---------- */
.cta-sec{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(10,12,11,.96),rgba(10,12,11,.6) 60%,rgba(10,12,11,.3)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:64px 0;min-height:210px;flex-wrap:wrap;
}
.cta-inner h2{margin-bottom:10px;max-width:640px;}
.cta-inner p{color:var(--text-2);max-width:560px;font-size:.9375rem;}
.cta-lines{display:flex;flex-direction:column;gap:8px;margin-top:20px;}
.cta-lines span{height:6px;border-radius:var(--r-pill);background:rgba(185,255,61,.22);display:block;}
.cta-lines span:nth-child(1){width:180px;}
.cta-lines span:nth-child(2){width:120px;background:rgba(124,92,255,.35);}
.cta-lines span:nth-child(3){width:88px;background:rgba(255,255,255,.1);}

/* ---------- 分类互链 ---------- */
.more-row{display:flex;flex-wrap:wrap;gap:12px;}
.more-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg-card);
  font-size:.9375rem;font-weight:700;color:var(--text-1);
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.more-pill:hover{border-color:var(--line-hover);background:rgba(185,255,61,.08);transform:translateY(-2px);color:var(--text-1);}
.more-pill.current{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-raised);padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-desc{font-size:.875rem;color:var(--text-2);max-width:340px;}
.foot-title{font-size:.9375rem;font-weight:800;margin-bottom:16px;letter-spacing:.01em;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:.875rem;color:var(--text-2);}
.foot-links a:hover{color:var(--brand);}
.foot-search{display:flex;gap:10px;margin-top:14px;}
.foot-search input{
  flex:1;height:48px;border-radius:var(--r-pill);background:var(--bg-card);
  border:1px solid var(--line);color:var(--text-1);padding:0 18px;outline:none;
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.foot-search input::placeholder{color:var(--text-3);}
.foot-search input:focus{border-color:var(--line-hover);background:rgba(185,255,61,.08);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.75rem;color:var(--text-3);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-3{grid-template-columns:repeat(3,1fr);}
  .guide-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .wrap{padding:0 24px;}
  .nav-search{max-width:260px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .guide-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sec{padding:80px 0;}
  .feat-body{padding:28px;}
}
@media (max-width:767px){
  .nav-search{display:none;}
  .nav-actions .btn-brand{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-main{height:60px;}
  .site-header.scrolled .nav-main{height:56px;}
  .nav-channels{height:36px;}
  .chan-pill{height:28px;font-size:.8125rem;padding:0 13px;}
  .sec{padding:64px 0;}
  .grid-3{grid-template-columns:1fr;}
  .guide-grid{grid-template-columns:1fr;}
  .page-hero .wrap{padding-top:36px;padding-bottom:48px;}
  .hero-lead{font-size:.9375rem;}
  .feat-body{padding:20px;}
  .feat-body p{font-size:.875rem;}
  .cta-inner{padding:48px 0;}
  .foot-grid{grid-template-columns:1fr;}
  .btn-brand,.btn-ghost{width:100%;}
  .cta-inner .btn-brand{width:auto;}
}
@media (max-width:519px){
  .wrap{padding:0 20px;}
  .hero-tags{gap:8px;}
  .more-pill{width:100%;justify-content:center;}
  .cta-inner .btn-brand{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --bg-base:#0A0C0B;
  --bg-raised:#121514;
  --bg-card:#171B19;
  --bg-overlay:linear-gradient(90deg,rgba(10,12,11,.94),rgba(10,12,11,.55) 55%,rgba(10,12,11,.15));
  --brand:#B9FF3D;
  --brand-ink:#0A0C0B;
  --accent:#7C5CFF;
  --warn:#FF7A45;
  --text-1:#F3F6F2;
  --text-2:#A7B0A8;
  --text-3:#6E776F;
  --line:rgba(235,255,240,.08);
  --line-hover:rgba(185,255,61,.35);
  --r-btn:10px;
  --r-card:14px;
  --r-img:12px;
  --r-pill:999px;
  --shadow-card:0 18px 40px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.04);
  --shadow-hover:0 26px 56px rgba(0,0,0,.68),inset 0 1px 0 rgba(255,255,255,.06);
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--text-1);
  font-family:system-ui,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:1.0625rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--text-1)}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2}
.section-head .sub{color:var(--text-2);font-size:.9375rem;margin-top:8px;max-width:640px}
.text-link{color:var(--brand);font-weight:700;font-size:.9375rem;position:relative;display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--brand);transition:width .3s var(--ease)}
.text-link:hover::after{width:100%}
.text-link i{transition:transform .22s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(10,12,11,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.head-main{display:flex;align-items:center;gap:24px;min-height:68px;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:var(--brand-ink);
  display:grid;place-items:center;font-weight:900;font-size:.9375rem;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(185,255,61,.4),0 8px 22px rgba(185,255,61,.18);
}
.brand-name{font-weight:900;font-size:1.125rem;letter-spacing:-.01em;white-space:nowrap}
.head-search{flex:1 1 auto;max-width:520px;position:relative;display:flex;align-items:center}
.head-search i{position:absolute;left:16px;color:var(--text-3);font-size:.875rem;pointer-events:none}
.head-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  background:var(--bg-raised);border:1px solid var(--line);
  padding:0 16px 0 42px;color:var(--text-1);
  transition:border-color .18s var(--ease),background .18s var(--ease)
}
.head-search input::placeholder{color:var(--text-3)}
.head-search input:focus{outline:none;border-color:var(--brand);background:rgba(185,255,61,.08)}
.head-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:.9375rem;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
  white-space:nowrap
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 3px rgba(185,255,61,.18),0 14px 30px rgba(185,255,61,.16);color:var(--brand-ink)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--line);color:var(--text-1);font-weight:600;font-size:.9375rem;
  transition:border-color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease)
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(185,255,61,.08);color:var(--text-1);transform:translateY(-2px)}
.btn-sm-x{height:44px;padding:0 18px;font-size:.875rem}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--text-1);align-items:center;justify-content:center}

/* channels */
.nav-channels{border-top:1px solid var(--line);background:rgba(18,21,20,.7)}
.chan-scroll{
  display:flex;align-items:center;min-height:44px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none
}
.chan-scroll::-webkit-scrollbar{display:none}
.chan-list{display:flex;align-items:center;gap:10px;padding:6px 0}
.chan-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  font-size:.875rem;font-weight:600;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;scroll-snap-align:start;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease)
}
.chan-pill:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.chan-pill.active{background:var(--brand);color:var(--brand-ink);font-weight:700}
.chan-pill.active:hover{color:var(--brand-ink)}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:1040;background:var(--bg-base);padding:20px;display:none;overflow-y:auto}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);color:var(--text-1);display:grid;place-items:center}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-grid a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:var(--r-card);
  background:var(--bg-card);border:1px solid var(--line);font-weight:600;font-size:.9375rem
}
.drawer-grid a.is-active{border-color:var(--line-hover);color:var(--brand)}
.drawer-note{margin-top:20px;color:var(--text-3);font-size:.8125rem}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:.8125rem;color:var(--text-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3)}
.crumb .now{color:var(--text-1)}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:var(--bg-overlay),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.92
}
.cat-hero .wrap{position:relative;z-index:2;padding-top:72px;padding-bottom:56px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-hover);color:var(--brand);
  font-size:.75rem;font-weight:700;letter-spacing:.08em;
  background:rgba(185,255,61,.06)
}
.cat-hero h1{font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.12;margin:20px 0 16px;max-width:900px}
.cat-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{color:var(--text-2);font-size:1.0625rem;max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:24px;color:var(--text-3);font-size:.8125rem}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--brand);font-size:.75rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.jump-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.jump-bar a{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.04);border:1px solid var(--line);
  font-size:.8125rem;font-weight:600;color:var(--text-2)
}
.jump-bar a:hover{border-color:var(--line-hover);color:var(--brand)}

/* ---------- intro stats ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease)
}
.stat:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
.stat b{display:block;font-size:clamp(1.75rem,3vw,2.25rem);font-weight:900;color:var(--brand);letter-spacing:-.02em;line-height:1.1}
.stat span{display:block;margin-top:6px;color:var(--text-2);font-size:.875rem}
.stat small{display:block;margin-top:10px;color:var(--text-3);font-size:.8125rem;line-height:1.7}

/* ---------- timeline guide ---------- */
.guide{border-top:1px solid var(--line)}
.step{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:36px;
  padding:44px 0;border-bottom:1px solid var(--line)
}
.step-num{
  font-size:clamp(3rem,5.4vw,4.5rem);font-weight:900;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(185,255,61,.6);
  letter-spacing:-.04em;user-select:none
}
.step-label{margin-top:10px;font-size:.75rem;letter-spacing:.08em;color:var(--text-3);font-weight:700}
.step-body h3{font-size:1.25rem;margin-bottom:10px}
.step-body .desc{color:var(--text-2);font-size:.9375rem;max-width:760px;margin-bottom:22px}
.pill-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.p-card{
  display:flex;gap:14px;align-items:center;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease)
}
.p-card:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
.p-card img{width:76px;height:76px;object-fit:cover;flex:0 0 auto;border-radius:var(--r-img)}
.p-card .p-info{min-width:0}
.p-card h4{font-size:1rem;font-weight:700;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.p-card p{color:var(--text-3);font-size:.8125rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);
  font-size:.6875rem;font-weight:700;letter-spacing:.06em;margin-top:8px
}
.badge-cat{background:rgba(124,92,255,.12);color:#B8A6FF}
.badge-hot{background:var(--brand);color:var(--brand-ink)}
.badge-new{background:rgba(185,255,61,.14);color:var(--brand)}
.badge-soon{background:rgba(255,122,69,.14);color:var(--warn)}

/* ---------- rhythm ---------- */
.rhythm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rhythm{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease)
}
.rhythm:hover{transform:translateY(-4px);border-color:var(--line-hover);box-shadow:var(--shadow-hover)}
.rhythm .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(185,255,61,.1);color:var(--brand);font-size:1.125rem;margin-bottom:16px
}
.rhythm h3{font-size:1.125rem;margin-bottom:10px}
.rhythm p{color:var(--text-2);font-size:.9375rem}
.rhythm ul{margin-top:14px;display:grid;gap:8px}
.rhythm li{color:var(--text-3);font-size:.875rem;display:flex;gap:10px;align-items:flex-start}
.rhythm li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto;margin-top:9px}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-weight:700;font-size:1rem;transition:color .18s var(--ease)
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .sign{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand);font-size:.8125rem;transition:transform .28s var(--ease),border-color .28s var(--ease)
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary .sign{transform:rotate(135deg);border-color:var(--line-hover)}
.faq-item .ans{color:var(--text-2);font-size:.9375rem;padding:0 44px 22px 0}

/* ---------- cta ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(10,12,11,.95),rgba(10,12,11,.62) 60%,rgba(10,12,11,.3)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;flex-wrap:wrap
}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.2;margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:.9375rem;max-width:620px}
.cta-lines{display:flex;gap:6px;align-items:flex-end;height:52px}
.cta-lines i{display:block;width:6px;border-radius:3px;background:rgba(185,255,61,.35)}
.cta-lines i:nth-child(1){height:22px}
.cta-lines i:nth-child(2){height:38px;background:rgba(185,255,61,.65)}
.cta-lines i:nth-child(3){height:30px}
.cta-lines i:nth-child(4){height:48px;background:var(--brand)}
.cta-lines i:nth-child(5){height:26px}

/* ---------- more categories ---------- */
.more-line{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.more-line .lead{color:var(--text-3);font-size:.875rem;margin-right:6px}
.more-pill{
  display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--bg-card);border:1px solid var(--line);font-weight:600;font-size:.9375rem;color:var(--text-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease),transform .18s var(--ease)
}
.more-pill:hover{border-color:var(--line-hover);color:var(--brand);background:rgba(185,255,61,.06);transform:translateY(-2px)}
.more-pill.is-current{border-color:var(--line-hover);color:var(--brand);background:rgba(185,255,61,.08)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-raised);padding:64px 0 32px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-desc{color:var(--text-2);font-size:.875rem;line-height:1.8;max-width:360px}
.foot-title{font-size:.9375rem;font-weight:800;margin-bottom:16px}
.foot-links{display:grid;gap:10px}
.foot-links a{color:var(--text-2);font-size:.875rem}
.foot-links a:hover{color:var(--brand)}
.foot-search{display:flex;gap:10px;margin-top:14px}
.foot-search input{
  flex:1 1 auto;height:44px;border-radius:var(--r-pill);background:var(--bg-base);
  border:1px solid var(--line);padding:0 16px;color:var(--text-1);font-size:.875rem
}
.foot-search input:focus{outline:none;border-color:var(--brand);background:rgba(185,255,61,.08)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:.75rem
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .pill-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .foot-grid > div:last-child{grid-column:1 / -1}
}
@media (max-width:991px){
  .wrap{padding:0 24px}
  .section{padding:72px 0}
  .head-search{display:none}
  .hamburger{display:flex}
  .head-main{min-height:60px}
  .chan-scroll{min-height:42px}
  .step{grid-template-columns:1fr;gap:18px;padding:32px 0}
  .step-num{font-size:3rem}
  .step-label{margin-top:0}
  .rhythm-grid{grid-template-columns:1fr 1fr}
  .cat-hero .wrap{padding-top:52px;padding-bottom:44px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px}
  .rhythm-grid{grid-template-columns:1fr}
  .pill-cards{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-grid > div:first-child{grid-column:1 / -1}
  .cta-inner{padding:44px 0}
  .cta-lines{display:none}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 100%}
}
@media (max-width:575px){
  body{font-size:1rem}
  .stat-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .head-actions .btn-brand{display:none}
  .more-line{gap:10px}
  .more-pill{width:100%;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}