/* roulang page: index */
:root{
  --bg-0:#0E0B16;
  --bg-1:#16112A;
  --surface:#1F1836;
  --surface-2:#2A2145;
  --line:rgba(255,255,255,.09);
  --brand-a:#FF4D6D;
  --brand-b:#FFA63D;
  --brand-grad:linear-gradient(118deg,#FF4D6D 0%,#FFA63D 100%);
  --accent:#3FE0C8;
  --gold:#FFCE5C;
  --text-1:#F7F4FF;
  --text-2:#B5ACCF;
  --text-3:#7C7395;
  --ok:#3FE0C8;
  --warn:#FFCE5C;
  --err:#FF6B6B;
  --disabled:#4A4260;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(8,4,20,.45);
  --sh-2:0 18px 48px rgba(255,77,109,.16);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,5vw,48px);font-weight:800;letter-spacing:-.01em;line-height:1.18}
h2{font-size:clamp(22px,3vw,32px);font-weight:700;line-height:1.25}
h3{font-size:18px;font-weight:600;line-height:1.45}
::selection{background:rgba(255,77,109,.35);color:#F7F4FF}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{position:relative;padding-bottom:14px}
.section-head h2::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:4px;border-radius:999px;background:var(--brand-grad)}
.section-sub{color:var(--text-2);font-size:14px;line-height:1.7;max-width:520px;margin-top:8px}
.section-tools{display:flex;align-items:center;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t),filter var(--t);
}
.btn-primary{background:var(--brand-grad);color:#1B0E14;box-shadow:var(--sh-2)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 22px 54px rgba(255,77,109,.24)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand-a);background:rgba(255,77,109,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{padding:6px 4px;color:var(--text-2);font-weight:600;border-radius:var(--r-s)}
.btn-text:hover{color:var(--brand-a)}
.btn-text span{display:inline-block;transition:transform var(--t)}
.btn-text:hover span{transform:translateX(2px)}
.btn-light{background:#F7F4FF;color:#231338;font-weight:800}
.btn-light:hover{filter:brightness(.94);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.5);color:#F7F4FF}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{background:var(--surface-2);color:var(--text-3);box-shadow:none;cursor:not-allowed;border-color:transparent;transform:none}
.btn-sm{padding:9px 18px;font-size:14px}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:var(--t);
}
.icon-btn:hover{color:var(--text-1);border-color:var(--brand-a);background:rgba(255,77,109,.12)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-s);
  font-size:12px;font-weight:700;line-height:1.6;
  border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.badge-gold{color:var(--gold);background:rgba(255,206,92,.12);border-color:rgba(255,206,92,.28)}
.badge-cyan{color:var(--accent);background:rgba(63,224,200,.12);border-color:rgba(63,224,200,.26)}
.badge-plain{color:var(--text-2);background:rgba(255,255,255,.05)}
.badge-new{color:#1B0E14;background:var(--brand-grad);border-color:transparent}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,11,22,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(14,11,22,.94)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:68px;transition:height var(--t)}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--brand-grad);
  display:grid;place-items:center;box-shadow:var(--sh-2);flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;display:block}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text-1)}
.nav-channels{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text-1);background:rgba(255,77,109,.14)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:999px;background:var(--brand-grad);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:196px;padding:9px 16px 9px 36px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);font-size:14px;color:var(--text-1);
  transition:border-color var(--t),box-shadow var(--t),width var(--t);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(63,224,200,.18);width:220px}
.nav-search .search-icon{position:absolute;left:13px;color:var(--text-3);pointer-events:none;display:flex}
.nav-burger{display:none;width:40px;height:40px;border-radius:var(--r-s);border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;color:var(--text-1);flex-shrink:0}
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(8,4,20,.7);opacity:0;transition:opacity var(--t)}
.drawer-panel{
  position:absolute;top:0;left:0;height:100%;width:min(320px,84vw);
  background:var(--bg-1);border-right:1px solid var(--line);
  padding:20px;transform:translateX(-100%);transition:transform var(--t);
  overflow-y:auto;
}
.drawer.is-open{pointer-events:auto}
.drawer.is-open .drawer-mask{opacity:1}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-weight:800;font-size:16px}
.drawer-item{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:var(--r-m);
  color:var(--text-2);font-weight:600;font-size:15px;
  transition:var(--t);
}
.drawer-item:hover{background:var(--surface);color:var(--text-1)}
.drawer-item.is-active{background:rgba(255,77,109,.14);color:var(--text-1)}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:10px}

/* ---------- Hero ---------- */
.hero{padding-top:28px}
.hero-inner{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  min-height:590px;display:flex;align-items:center;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,var(--bg-0) 6%,rgba(14,11,22,.9) 40%,rgba(14,11,22,.34) 100%);
}
.hero-content{position:relative;z-index:2;width:54%;padding:60px 56px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:var(--text-2);line-height:1.75;max-width:460px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-chip{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:var(--r-m);
  background:rgba(31,24,54,.78);border:1px solid var(--line);
  min-width:118px;
}
.stat-chip .num{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text-1);line-height:1.2}
.stat-chip .num.accent{color:var(--accent)}
.stat-chip .num.gold{color:var(--gold)}
.stat-chip .lab{font-size:12px;color:var(--text-3);font-weight:500}

/* ---------- 横滑片库 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;padding:6px 0 18px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 220px;scroll-snap-align:start;
  transition:transform var(--t);
}
.rail-poster{
  position:relative;aspect-ratio:2/3;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
}
.rail-poster img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.rail-poster::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(to top,rgba(14,11,22,.9),transparent);
}
.rail-card:hover{transform:translateY(-4px)}
.rail-card:hover .rail-poster img{transform:scale(1.06)}
.rail-badge{position:absolute;top:12px;left:12px;z-index:2}
.rail-overlay{
  position:absolute;inset:auto 12px 12px 12px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  opacity:0;transform:translateY(8px);transition:var(--t);
}
.rail-card:hover .rail-overlay{opacity:1;transform:translateY(0)}
.rail-cta{
  padding:7px 14px;border-radius:var(--r-pill);background:var(--brand-grad);
  color:#1B0E14;font-size:13px;font-weight:800;
}
.rail-body{padding:12px 4px 0}
.rail-title{font-size:16px;font-weight:600;line-height:1.45;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;transition:color var(--t)}
.rail-card:hover .rail-title{color:var(--brand-b)}
.rail-meta{margin-top:6px;font-size:13px;color:var(--text-3);font-weight:500}

/* ---------- 热播推荐 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-big{
  grid-column:span 2;grid-row:span 2;
  border-radius:var(--r-xl);overflow:hidden;position:relative;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.feature-big:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-big .cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.feature-big .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.feature-big:hover .cover img{transform:scale(1.04)}
.feature-big .cover::after{content:"";position:absolute;inset:auto 0 0 0;height:60%;background:linear-gradient(to top,rgba(31,24,54,1),transparent)}
.feature-big .body{padding:0 26px 26px;position:relative;z-index:2;margin-top:-34px}
.feature-big h3{font-size:22px;margin:12px 0 10px;transition:color var(--t)}
.feature-big:hover h3{color:var(--brand-b)}
.feature-big p{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.feature-big .foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.arrow-circle{
  width:44px;height:44px;border-radius:var(--r-pill);flex-shrink:0;
  background:var(--brand-grad);color:#1B0E14;
  display:grid;place-items:center;font-weight:800;
  box-shadow:var(--sh-2);transition:var(--t);
}
.feature-big:hover .arrow-circle{transform:translateX(4px)}
.small-card{
  border-radius:var(--r-l);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
  display:flex;flex-direction:column;
}
.small-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.small-card .cover{position:relative;aspect-ratio:4/3;overflow:hidden}
.small-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.small-card:hover .cover img{transform:scale(1.06)}
.small-card .body{padding:16px 18px 20px}
.small-card h3{font-size:17px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;transition:color var(--t)}
.small-card:hover h3{color:var(--brand-b)}
.small-card p{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.small-card .foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:13px;color:var(--text-3)}
.cover-badge{position:absolute;top:12px;left:12px;z-index:2}

/* ---------- 榜单行式列表 ---------- */
.rank-list{
  border-radius:var(--r-xl);border:1px solid var(--line);
  background:var(--surface);overflow:hidden;box-shadow:var(--sh-1);
}
.rank-row{
  display:grid;grid-template-columns:64px 84px 1fr 200px auto;
  align-items:center;gap:20px;
  padding:16px 24px;position:relative;
  transition:background var(--t),transform var(--t);
  border-bottom:1px solid var(--line);
}
.rank-row:last-child{border-bottom:0}
.rank-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand-grad);opacity:0;transition:opacity var(--t);
}
.rank-row:hover{background:var(--bg-1)}
.rank-row:hover::before{opacity:1}
.rank-row:hover .rank-thumb{transform:translateY(-2px)}
.rank-num{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;
}
.rank-thumb{width:84px;height:56px;border-radius:var(--r-s);overflow:hidden;border:1px solid var(--line);transition:transform var(--t)}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-info h3{font-size:16.5px;margin-bottom:4px;transition:color var(--t)}
.rank-row:hover .rank-info h3{color:var(--brand-b)}
.rank-info p{font-size:13.5px;color:var(--text-2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.rank-bar{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.rank-bar span{display:block;height:100%;border-radius:999px;background:var(--brand-grad)}
.rank-right{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 双列图文卡 ---------- */
.duo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.duo-card{
  display:grid;grid-template-columns:172px 1fr;gap:0;
  border-radius:var(--r-l);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  min-height:196px;
}
.duo-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.35)}
.duo-card .cover{position:relative;overflow:hidden}
.duo-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.duo-card:hover .cover img{transform:scale(1.05)}
.duo-card .body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center}
.duo-card h3{font-size:18px;margin-bottom:8px;transition:color var(--t)}
.duo-card:hover h3{color:var(--brand-b)}
.duo-card p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.duo-card .foot{margin-top:14px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  padding:24px;border-radius:var(--r-l);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.3)}
.news-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.news-title{font-size:18px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--brand-b)}
.news-title a{transition:color var(--t)}
.news-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.news-more{font-size:13px;font-weight:700;color:var(--brand-a);display:inline-flex;align-items:center;gap:6px}
.news-more span{transition:transform var(--t)}
.news-card:hover .news-more span{transform:translateX(3px)}
.empty-state{
  grid-column:1/-1;
  min-height:240px;border-radius:var(--r-l);
  background:var(--bg-1);border:1px dashed var(--line);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:40px 24px;
}
.empty-icon{width:56px;height:56px;border-radius:var(--r-pill);border:2px solid var(--brand-a);display:grid;place-items:center;color:var(--brand-a)}
.empty-title{font-size:17px;font-weight:700;color:var(--text-1)}
.empty-text{font-size:14px;color:var(--text-3)}
.skeleton{grid-column:span 1;height:210px;border-radius:var(--r-l);background:var(--surface-2);position:relative;overflow:hidden}
.skeleton::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 20%,rgba(255,77,109,.14) 50%,transparent 80%);
  animation:sweep 1.6s infinite linear;
}
@keyframes sweep{from{transform:translateX(-100%)}to{transform:translateX(100%)}}

/* ---------- 数据条 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:40px 44px;border-radius:var(--r-xl);
  background:var(--bg-1);border:1px solid var(--line);
}
.stats-item{display:flex;flex-direction:column;gap:6px}
.stats-item .num{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats-item .num.cyan{background:none;color:var(--accent);-webkit-text-fill-color:var(--accent)}
.stats-item .lab{font-size:14px;color:var(--text-2);font-weight:600}
.stats-item .desc{font-size:13px;color:var(--text-3);line-height:1.7}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:var(--r-xl);
  background:var(--brand-grad);
  padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 60px rgba(255,77,109,.2);
}
.cta-copy h2{color:#1B0E14;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-copy p{color:rgba(27,14,20,.78);font-size:15px;line-height:1.7;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;transition:border-color var(--t),background var(--t);
}
.faq-item.is-open{border-color:rgba(255,77,109,.35);background:var(--bg-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:var(--r-s);
  background:var(--surface-2);color:var(--text-2);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-grad);color:#1B0E14}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.3,1)}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:20px}
.footer-main{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding:56px 0 48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{font-size:17px}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:var(--r-s);
  border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;color:var(--text-2);
  transition:var(--t);font-size:13px;font-weight:700;
}
.footer-social a:hover{color:var(--text-1);border-color:var(--brand-a);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text-1)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);transition:transform var(--t),color var(--t);display:inline-block}
.footer-links a:hover{color:var(--text-1);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-copy{font-size:13px;color:var(--text-3);line-height:1.8}
.to-top{
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid transparent;
  background:linear-gradient(var(--bg-1),var(--bg-1)) padding-box,var(--brand-grad) border-box;
  color:var(--brand-b);display:grid;place-items:center;
  transition:var(--t);font-weight:800;
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.mobile-entry-bar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .feature-grid{grid-template-columns:repeat(4,1fr)}
  .hero-content{width:58%}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .nav-search input{width:150px}
  .nav-search input:focus{width:170px}
  .nav-link{padding:8px 10px;font-size:14px}
  .hero-inner{min-height:520px}
  .hero-content{width:64%;padding:48px 40px}
  .feature-grid{grid-template-columns:repeat(3,1fr)}
  .feature-big{grid-column:span 3;grid-row:span 1}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:52px 76px 1fr 150px;gap:16px}
  .rank-right .badge{display:none}
  .duo-card{grid-template-columns:148px 1fr}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .stats-band{padding:32px;gap:18px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .nav-channels{display:none}
  .nav-search{display:none}
  .nav-burger{display:inline-flex}
  .nav-wrap{height:62px;gap:12px}
  .brand{flex:1}
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-primary{padding:10px 18px;font-size:14px}
  .hero{padding-top:18px}
  .hero-inner{min-height:auto;display:block}
  .hero-bg::after{background:linear-gradient(0deg,var(--bg-0) 10%,rgba(14,11,22,.86) 55%,rgba(14,11,22,.5) 100%)}
  .hero-content{width:100%;padding:180px 22px 32px}
  .hero-lead{max-width:100%}
  .hero-actions .btn{flex:1 1 100%}
  .stat-chip{flex:1 1 44%;min-width:0}
  .feature-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .feature-big{grid-column:span 2}
  .feature-big .body{padding:0 20px 22px}
  .news-grid{grid-template-columns:1fr}
  .duo-grid{grid-template-columns:1fr}
  .duo-card{grid-template-columns:132px 1fr}
  .rail-card{flex:0 0 168px}
  .rail{gap:14px}
  .rank-row{grid-template-columns:40px 1fr auto;gap:12px;padding:14px 16px}
  .rank-thumb{display:none}
  .rank-bar{display:none}
  .rank-num{font-size:22px}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:26px 22px;gap:20px}
  .stats-item .num{font-size:26px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-main{grid-template-columns:1fr;padding:40px 0 32px;gap:28px}
  .section-head{align-items:flex-start}
  .mobile-entry-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:56px;padding:0 16px calc(env(safe-area-inset-bottom,0px) / 2);
    background:rgba(22,17,42,.96);
    border-top:1px solid var(--line);
    backdrop-filter:blur(12px);
  }
  .mobile-entry-bar span{font-size:13px;color:var(--text-2)}
  .site-footer{padding-bottom:56px}
}
@media (max-width:520px){
  .feature-grid{grid-template-columns:1fr}
  .feature-big{grid-column:span 1}
  .duo-card{grid-template-columns:1fr}
  .duo-card .cover{aspect-ratio:16/9}
  .stats-band{grid-template-columns:1fr}
  .badge{font-size:11px}
  .hero-content{padding:150px 18px 28px}
  .hero-lead{font-size:15px}
  .btn{padding:13px 22px;font-size:14.5px}
  .small-card h3{font-size:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --bg-0:#0E0B16;
  --bg-1:#16112A;
  --surface:#1F1836;
  --surface-2:#2A2145;
  --line:rgba(255,255,255,.09);
  --brand-a:#FF4D6D;
  --brand-b:#FFA63D;
  --brand-grad:linear-gradient(118deg,#FF4D6D 0%,#FFA63D 100%);
  --accent:#3FE0C8;
  --gold:#FFCE5C;
  --text-1:#F7F4FF;
  --text-2:#B5ACCF;
  --text-3:#7C7395;
  --ok:#3FE0C8;
  --warn:#FFCE5C;
  --err:#FF6B6B;
  --disabled:#4A4260;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(8,4,20,.45);
  --sh-2:0 18px 48px rgba(255,77,109,.16);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
input,button,select,textarea{font:inherit;color:inherit;}
::selection{background:rgba(255,77,109,.35);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(14,11,22,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(14,11,22,.94);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:68px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(255,77,109,.28);
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;}
.brand-name{
  font-size:19px;font-weight:800;letter-spacing:-.01em;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  white-space:nowrap;
}
.nav-channels{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;}
.nav-link{
  position:relative;
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.is-active{color:var(--text-1);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand-grad);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 14px;height:40px;width:220px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(63,224,200,.18);}
.search-icon{width:17px;height:17px;color:var(--text-3);flex:0 0 auto;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text-1);
}
.nav-search input::placeholder{color:var(--text-3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;cursor:pointer;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 10px 26px rgba(255,77,109,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{
  background:transparent;border-color:var(--line);color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand-a);background:rgba(255,77,109,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94);}
.btn-light{background:#F7F4FF;color:#20142B;box-shadow:0 10px 26px rgba(8,4,20,.35);}
.btn-light:hover{filter:brightness(.96);transform:translateY(-2px);}
.btn-light:active{transform:translateY(0);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:4px;
  background:none;border:0;padding:8px 4px;cursor:pointer;
  font-size:15px;color:var(--text-2);font-weight:500;
}
.btn-text:hover{color:var(--text-1);}
.btn-text:hover .arrow{transform:translateX(2px);}
.arrow{transition:transform var(--ease);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-1);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:var(--bg-1);padding:16px 18px 22px;
}
.mobile-drawer.is-open{display:block;}
.drawer-search{
  display:flex;align-items:center;height:44px;padding:0 16px;margin-bottom:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
}
.drawer-search input{width:100%;border:0;background:transparent;outline:none;font-size:15px;}
.drawer-search input::placeholder{color:var(--text-3);}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 6px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-2);
}
.drawer-link i{font-style:normal;color:var(--text-3);}
.drawer-link:hover,.drawer-link.is-active{color:var(--text-1);}
.drawer-cta{margin-top:16px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);
}
.breadcrumb a:hover{color:var(--text-1);}
.breadcrumb .home-ico{
  width:16px;height:16px;display:inline-block;vertical-align:-3px;margin-right:2px;
}
.breadcrumb .sep{color:rgba(255,255,255,.20);}
.breadcrumb .current{color:var(--text-1);}

/* ---------- article head ---------- */
.article-head{
  padding:26px 0 34px;
  background:
    radial-gradient(720px 320px at 12% -10%, rgba(255,77,109,.16), transparent 70%),
    radial-gradient(520px 260px at 88% 0%, rgba(63,224,200,.10), transparent 72%),
    var(--bg-0);
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-a);letter-spacing:.02em;
}
.eyebrow::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--brand-grad);
}
.article-title{
  margin:14px 0 0;
  font-size:clamp(30px,5vw,44px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.18;
  max-width:900px;
  color:var(--text-1);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;
  margin-top:22px;padding-top:18px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);font-weight:500;
}
.meta-divider{width:1px;height:14px;background:var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
}
.badge-cyan{color:var(--accent);background:rgba(63,224,200,.12);border-color:rgba(63,224,200,.28);}
.badge-gold{color:var(--gold);background:rgba(255,206,92,.12);border-color:rgba(255,206,92,.26);}
.badge-brand{background:var(--brand-grad);color:#fff;border-color:transparent;}

/* ---------- article body ---------- */
.article-section{padding:56px 0 var(--gap);}
.article-wrap{max-width:780px;margin:0 auto;}
.article-body{font-size:17px;line-height:1.9;color:#E7E2F6;}
.article-body > *:first-child{margin-top:0;}
.article-body p{font-size:17px;line-height:1.9;margin:0 0 1.1em;color:#E7E2F6;}
.article-body h2{
  position:relative;padding-left:16px;
  margin:40px 0 16px;
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--brand-grad);
}
.article-body h3{margin:28px 0 12px;font-size:18px;font-weight:700;color:var(--text-1);}
.article-body h4{margin:24px 0 10px;font-size:16px;font-weight:700;color:var(--text-1);}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:0;list-style:none;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;font-size:16.5px;line-height:1.85;color:#E7E2F6;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-grad);
}
.article-body ol{counter-reset:olcount;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;font-size:16.5px;line-height:1.85;counter-increment:olcount;color:#E7E2F6;}
.article-body ol li::before{
  content:counter(olcount);
  position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#fff;background:var(--brand-grad);
}
.article-body blockquote{
  margin:22px 0;padding:18px 20px;
  background:var(--surface-2);border-left:3px solid var(--accent);
  border-radius:var(--r-m);color:var(--text-2);font-size:16px;line-height:1.85;
}
.article-body blockquote p{font-size:16px;color:var(--text-2);margin:0;}
.article-body img{
  width:100%;height:auto;margin:26px auto;
  border-radius:var(--r-m);box-shadow:var(--sh-1);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--text-3);
}
.article-body a{color:var(--brand-a);border-bottom:1px solid rgba(255,77,109,.35);}
.article-body a:hover{border-bottom-width:2px;}
.article-body code{
  background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:14.5px;color:var(--warn);
}
.article-body pre{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:18px 20px;overflow-x:auto;margin:22px 0;
}
.article-body pre code{background:none;padding:0;color:#E7E2F6;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{color:var(--text-1);font-weight:700;background:var(--surface-2);}
.article-body td{color:var(--text-2);}
.article-end{
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:var(--text-3);
}

/* ---------- comment / empty state ---------- */
.state-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-l);
  padding:56px 28px;text-align:center;min-height:260px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
}
.state-mark{
  width:64px;height:64px;border-radius:20px;
  border:2px solid rgba(255,77,109,.55);
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,77,109,.08);margin-bottom:6px;
}
.state-mark svg{width:28px;height:28px;color:var(--brand-a);}
.state-title{font-size:20px;font-weight:700;color:var(--text-1);}
.state-desc{font-size:14px;color:var(--text-2);max-width:460px;line-height:1.75;}
.state-panel .btn{margin-top:10px;}

/* ---------- prev / next ---------- */
.post-nav{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  max-width:780px;margin:0 auto;
}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border-radius:var(--r-m);
  background:var(--surface);border:1px solid var(--line);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-nav-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.5);}
.post-nav-label{font-size:12px;color:var(--text-3);font-weight:600;letter-spacing:.04em;}
.post-nav-title{font-size:15px;font-weight:600;color:var(--text-1);}
.post-nav-item.is-disabled{
  background:var(--surface-2);border-color:var(--line);cursor:not-allowed;opacity:.62;
}
.post-nav-item.is-disabled .post-nav-title{color:var(--text-3);font-weight:500;}
.post-nav-item.is-disabled:hover{transform:none;box-shadow:none;border-color:var(--line);}
.back-home{display:flex;justify-content:center;margin-top:22px;}

/* ---------- related ---------- */
.related-section{padding:var(--gap) 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.section-title{
  position:relative;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.25;
  padding-bottom:14px;color:var(--text-1);
}
.section-title::after{
  content:"";position:absolute;left:0;bottom:0;width:36px;height:4px;border-radius:4px;background:var(--brand-grad);
}
.section-sub{margin-top:12px;font-size:14px;color:var(--text-2);max-width:560px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.45);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.card:hover .card-cover img{transform:scale(1.05);}
.card-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(14,11,22,0) 45%,rgba(31,24,54,.92) 100%);
}
.card-badge{position:absolute;top:12px;left:12px;z-index:2;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:var(--brand-b);}
.card-desc{
  font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}
.card-meta .go{color:var(--brand-a);font-weight:600;}

/* ---------- CTA ---------- */
.cta-section{padding:var(--gap) 0 0;}
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--brand-grad);border-radius:var(--r-xl);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 60px rgba(255,77,109,.22);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.30),transparent 68%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-title{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.3;color:#3A0F1E;}
.cta-desc{margin-top:10px;font-size:15px;line-height:1.75;color:rgba(58,15,30,.82);}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-light{background:#2A0F1B;color:#FFF6EF;}
.cta-actions .btn-light:hover{filter:brightness(1.12);}
.cta-actions .btn-ghost{border-color:rgba(58,15,30,.35);color:#3A0F1E;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.22);border-color:rgba(58,15,30,.55);}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--gap);border-top:1px solid var(--line);background:var(--bg-1);}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:48px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-brand .brand-name{font-size:18px;font-weight:800;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-2);max-width:340px;}
.footer-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.footer-social a{
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--text-2);
}
.footer-social a:hover{color:var(--text-1);border-color:var(--brand-a);transform:translateY(-2px);}
.footer-col h4{margin-bottom:16px;font-size:14px;font-weight:700;color:var(--text-1);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);align-self:flex-start;transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--text-1);transform:translateX(2px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 28px;border-top:1px solid var(--line);
}
.footer-copy{font-size:13px;color:var(--text-3);}
.to-top{
  width:40px;height:40px;border-radius:50%;cursor:pointer;
  background:var(--surface);border:1px solid rgba(255,77,109,.5);
  color:var(--brand-b);font-size:16px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-a);}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  :root{--gap:74px;}
  .nav-search{width:180px;}
}
@media (max-width:1024px){
  :root{--gap:64px;}
  .nav-search{display:none;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--gap:48px;}
  .container{padding:0 18px;}
  .nav-channels{display:none;}
  .header-actions .btn-text{display:none;}
  .header-actions .btn-primary{display:none;}
  .nav-toggle{display:flex;}
  .site-header .header-inner{height:62px;}
  .article-title{font-size:clamp(26px,7vw,34px);}
  .article-section{padding:36px 0 var(--gap);}
  .post-nav{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-main{grid-template-columns:1fr;gap:28px;padding:36px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .article-body p,.article-body ul li,.article-body ol li{font-size:16px;}
  .badge{font-size:11px;padding:4px 10px;}
  .btn{padding:13px 20px;font-size:14.5px;}
  .article-meta{gap:10px;}
  .meta-divider{display:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0E0B16;
  --bg-1:#16112A;
  --surface:#1F1836;
  --surface-2:#2A2145;
  --line:rgba(255,255,255,.09);
  --brand-a:#FF4D6D;
  --brand-b:#FFA63D;
  --brand-grad:linear-gradient(118deg,#FF4D6D 0%,#FFA63D 100%);
  --accent:#3FE0C8;
  --gold:#FFCE5C;
  --text-1:#F7F4FF;
  --text-2:#B5ACCF;
  --text-3:#7C7395;
  --ok:#3FE0C8;
  --warn:#FFCE5C;
  --err:#FF6B6B;
  --disabled:#4A4260;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(8,4,20,.45);
  --sh-2:0 18px 48px rgba(255,77,109,.16);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(14,11,22,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;transition:var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-grad);
  display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(255,77,109,.28);
}
.brand-mark svg{width:18px;height:18px}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;padding:8px 13px;border-radius:var(--r-pill);
  font-size:15px;color:var(--text-2);white-space:nowrap;transition:var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text-1);font-weight:600;background:rgba(255,77,109,.12)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-3px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--brand-grad);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:8px 14px;transition:var(--ease);
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(63,224,200,.14)}
.search-box svg{width:15px;height:15px;flex:0 0 15px;stroke:var(--text-3);fill:none;stroke-width:1.8}
.search-box input{width:148px;background:none;border:0;outline:none;font-size:14px}
.search-box input::placeholder{color:var(--text-3)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-s);
  border:1px solid var(--line);background:var(--surface);
  position:relative;flex:0 0 40px;
}
.nav-toggle span{
  position:absolute;left:50%;width:16px;height:2px;border-radius:2px;
  background:var(--text-1);transform:translateX(-50%);transition:var(--ease);
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:19px}
.nav-toggle span:nth-child(3){top:24px}
.nav-toggle.is-open span:nth-child(1){top:19px;transform:translateX(-50%) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:19px;transform:translateX(-50%) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 24px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:14px;font-weight:700;white-space:nowrap;cursor:pointer;
  transition:var(--ease);
}
.btn-primary{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 14px 34px rgba(255,77,109,.22);
  text-shadow:0 1px 2px rgba(90,20,40,.35);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 22px 52px rgba(255,77,109,.32)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand-a);background:rgba(255,77,109,.10);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94)}
.btn-text{background:none;padding:8px 6px;color:var(--text-2);font-weight:600}
.btn-text:hover{color:var(--text-1)}
.btn-text .arrow{transition:var(--ease);display:inline-block}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn-light{background:#FFF6F2;color:#1B0E14;border-color:transparent}
.btn-light:hover{transform:translateY(-2px);background:#fff}
.btn[disabled],.btn.is-disabled{background:var(--surface-2);color:var(--text-3);border-color:var(--line);box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
}
.badge-cyan{color:var(--accent);background:rgba(63,224,200,.12);border-color:rgba(63,224,200,.28)}
.badge-gold{color:var(--gold);background:rgba(255,206,92,.12);border-color:rgba(255,206,92,.28)}
.badge-new{background:var(--brand-grad);color:#fff;border-color:transparent;text-shadow:0 1px 2px rgba(90,20,40,.3)}
.badge-square{border-radius:var(--r-s)}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--bg-0)}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:16px 0;font-size:13px;color:var(--text-3);font-weight:500;
}
.breadcrumb a{color:var(--text-3);transition:var(--ease)}
.breadcrumb a:hover{color:var(--text-1)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-1)}
.breadcrumb .home-ico{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.7}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--bg-1);border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;top:-140%;right:-8%;
  width:62%;height:320%;
  background:linear-gradient(118deg,rgba(255,77,109,.34) 0%,rgba(255,166,61,.10) 46%,rgba(255,166,61,0) 72%);
  transform:rotate(19deg);pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-12%;bottom:-160px;width:520px;height:340px;
  background:radial-gradient(closest-side,rgba(63,224,200,.16),transparent 72%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:34px 24px 40px;min-height:258px;display:flex;flex-direction:column;justify-content:center;max-width:var(--container);margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--brand-grad)}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.01em;line-height:1.18;
  max-width:660px;
}
.hero-sub{margin:14px 0 0;font-size:16px;color:var(--text-2);max-width:560px;line-height:1.75}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.hero-thumb{
  position:absolute;right:24px;bottom:0;width:290px;height:176px;
  object-fit:cover;border-radius:var(--r-l) var(--r-l) 0 0;
  border:1px solid var(--line);border-bottom:0;opacity:.5;z-index:1;
}

/* ============ 通用板块 ============ */
.section{padding:76px 0}
.section-tight{padding-top:56px}
.section-alt{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.section-title{display:block;font-size:clamp(22px,3vw,32px);font-weight:700;padding-bottom:14px;position:relative}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:4px;border-radius:4px;background:var(--brand-grad)}
.section-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:660px;line-height:1.75}

/* ============ 通道卡片 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px 22px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--sh-1);transition:var(--ease);
}
.info-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:var(--ease);
}
.info-card:hover{transform:translateY(-4px);border-color:rgba(255,77,109,.3);box-shadow:var(--sh-2)}
.info-card:hover::before{transform:scaleX(1)}
.info-card h3{font-size:18px;font-weight:600;line-height:1.45}
.info-card p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0}
.card-tags{display:flex;gap:8px;flex-wrap:wrap}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-a);transition:var(--ease);
}
.card-link:hover{gap:10px}

/* ============ 两栏说明 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-body h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
.split-body .lead{font-size:15px;color:var(--text-2);margin-top:16px;line-height:1.8}
.chk-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.chk-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--text-2)}
.chk-list li strong{color:var(--text-1);font-weight:600}
.dot{
  flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:3px;
  background:var(--brand-grad);
}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.split-media .float-badge{
  position:absolute;left:-16px;bottom:22px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:14px 18px;box-shadow:var(--sh-1);
}
.float-badge .big{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2}
.float-badge .small{font-size:12px;color:var(--text-3);font-weight:500}

/* ============ 状态速查列表 ============ */
.status-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1)}
.status-row{
  position:relative;display:grid;grid-template-columns:1.35fr 1fr .9fr auto;
  align-items:center;gap:18px;padding:0 24px;min-height:78px;
  border-bottom:1px solid var(--line);transition:var(--ease);
}
.status-row:last-child{border-bottom:0}
.status-row::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:58%;
  background:var(--brand-grad);border-radius:0 3px 3px 0;
  transform:translateY(-50%) scaleY(0);transition:var(--ease);
}
.status-row:hover{background:var(--bg-1);transform:translateY(-2px)}
.status-row:hover::before{transform:translateY(-50%) scaleY(1)}
.status-name{font-size:16px;font-weight:600;line-height:1.5}
.status-name span{display:block;font-size:13px;font-weight:500;color:var(--text-3);margin-top:2px}
.status-cell{font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:var(--ease);
}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.is-open{border-color:rgba(255,77,109,.32);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.5;color:var(--text-1);
}
.plus{position:relative;flex:0 0 20px;width:20px;height:20px;transition:var(--ease)}
.plus::before,.plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-a);border-radius:2px;
  transform:translate(-50%,-50%);transition:var(--ease);
}
.plus::before{width:13px;height:2px}
.plus::after{width:2px;height:13px}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-item.is-open .plus::before,.faq-item.is-open .plus::after{background:var(--brand-b)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--brand-grad);border-radius:var(--r-xl);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 26px 70px rgba(255,77,109,.22);
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none;
}
.cta-panel > div{position:relative;z-index:1;max-width:620px}
.cta-panel h2{font-size:clamp(22px,3vw,30px);font-weight:800;color:#fff;text-shadow:0 1px 3px rgba(90,20,40,.3)}
.cta-panel p{margin-top:10px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.92)}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{margin-top:76px;border-top:1px solid var(--line);background:var(--bg-0);padding-top:48px}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px}
.footer-brand .brand-name{font-size:17px;font-weight:800}
.footer-desc{margin:16px 0 0;font-size:14px;line-height:1.75;color:var(--text-2);max-width:360px}
.footer-social{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.footer-social a{
  font-size:13px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 15px;transition:var(--ease);
}
.footer-social a:hover{color:var(--text-1);border-color:var(--brand-a);background:rgba(255,77,109,.1)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);transition:var(--ease);width:fit-content}
.footer-links a:hover{color:var(--text-1);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  border-top:1px solid var(--line);padding:22px 0 28px;
}
.footer-copy{margin:0;font-size:13px;color:var(--text-3)}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,77,109,.45);background:rgba(255,77,109,.08);
  color:var(--brand-a);font-size:16px;font-weight:700;line-height:1;
  display:grid;place-items:center;transition:var(--ease);
}
.to-top:hover{background:rgba(255,77,109,.2);transform:translateY(-3px)}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:190;
  background:var(--bg-0);border-top:1px solid var(--line);
  transform:translateY(-10px);opacity:0;pointer-events:none;transition:var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 24px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--text-1);font-weight:600;background:rgba(255,77,109,.1)}
.mobile-drawer a::after{content:"›";font-size:20px;color:var(--text-3)}

/* ============ 断点 ============ */
@media (max-width:1280px){
  .nav-link{padding:8px 10px;font-size:14px}
  .search-box input{width:118px}
  .hero-thumb{width:250px;height:158px}
}
@media (max-width:1024px){
  .container{padding:0 22px}
  .nav-channels{display:none}
  .search-box{display:none}
  .nav-toggle{display:block}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:34px}
  .split-media .float-badge{left:12px}
  .page-hero-inner{min-height:238px;padding:30px 22px 34px}
  .hero-thumb{width:210px;height:132px;right:22px;opacity:.38}
  .section{padding:64px 0}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:42px 34px}
}
@media (max-width:768px){
  .header-inner{height:60px}
  .brand-name{font-size:16px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-thumb{display:none}
  .page-hero-inner{min-height:0;padding:26px 22px 30px}
  .hero-sub{font-size:15px}
  .section{padding:48px 0}
  .status-row{grid-template-columns:1fr;gap:8px;padding:18px 20px;min-height:0;align-items:flex-start}
  .status-row .badge{justify-self:start}
  .cta-panel{padding:34px 24px;border-radius:var(--r-l)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-main{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .grid-4{grid-template-columns:1fr}
  .btn{padding:12px 20px;font-size:13px}
  .badge{font-size:11px;padding:4px 9px}
  .info-card{padding:22px 18px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .split-media img{aspect-ratio:16/11}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0E0B16;
  --bg-1:#16112A;
  --surface:#1F1836;
  --surface-2:#2A2145;
  --line:rgba(255,255,255,.09);
  --brand-a:#FF4D6D;
  --brand-b:#FFA63D;
  --brand-grad:linear-gradient(118deg,#FF4D6D 0%,#FFA63D 100%);
  --accent:#3FE0C8;
  --gold:#FFCE5C;
  --error:#FF6B6B;
  --disabled:#4A4260;
  --text-1:#F7F4FF;
  --text-2:#B5ACCF;
  --text-3:#7C7395;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(8,4,20,.45);
  --sh-2:0 18px 48px rgba(255,77,109,.16);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --gap-sec:88px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

/* ============ 布局容器 ============ */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--gap-sec) 0;}
.section-alt{background:var(--bg-1);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.section-title{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-0.01em;
  position:relative;
  padding-bottom:14px;
}
.section-title::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:36px;height:4px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
}
.section-sub{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  max-width:640px;
  margin-top:12px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(14,11,22,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(14,11,22,.95);}
.nav-bar{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-bar{height:60px;}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:var(--r-s);
  background:var(--brand-grad);
  display:grid;
  place-items:center;
  box-shadow:0 6px 18px rgba(255,77,109,.28);
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-channels{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
}
.nav-link{
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:8px 14px;
  border-radius:var(--r-pill);
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.nav-link.is-active{
  color:var(--text-1);
  background:linear-gradient(118deg,rgba(255,77,109,.22),rgba(255,166,61,.16));
  box-shadow:inset 0 -2px 0 var(--brand-a);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:8px 14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(63,224,200,.18);
}
.nav-search svg{width:15px;height:15px;stroke:var(--text-3);fill:none;stroke-width:2;}
.nav-search input{
  border:none;background:transparent;
  width:132px;font-size:14px;
  color:var(--text-1);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  border-radius:var(--r-pill);
  padding:12px 24px;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-grad);
  color:#1B0E14;
  box-shadow:0 10px 26px rgba(255,77,109,.24);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand-a);background:rgba(255,77,109,.10);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-text{
  color:var(--text-2);
  font-weight:600;
  font-size:15px;
  padding:8px 6px;
  transition:color var(--ease),transform var(--ease);
}
.btn-text:hover{color:var(--brand-a);transform:translateX(2px);}
.btn-light{
  background:#F7F4FF;
  color:#191024;
  box-shadow:0 10px 26px rgba(8,4,20,.28);
}
.btn-light:hover{transform:translateY(-2px);filter:brightness(1.03);}
.btn-outline-light{
  background:transparent;
  border:1px solid rgba(255,255,255,.5);
  color:#F7F4FF;
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn.is-disabled,.btn[disabled]{
  background:var(--surface-2);
  color:var(--text-3);
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--r-s);
  border:1px solid var(--line);
  background:var(--surface);
  place-items:center;
}
.nav-toggle span{
  display:block;width:16px;height:2px;border-radius:2px;
  background:var(--text-1);position:relative;
  transition:background var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--text-1);
  transition:transform var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-scrim{
  position:fixed;inset:0;background:rgba(8,4,20,.6);
  opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:70;
}
.nav-scrim.is-open{opacity:1;pointer-events:auto;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--text-3);
  padding:22px 0 0;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-3);transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand-a);}
.breadcrumb .sep{color:#4A4260;}
.breadcrumb .current{color:var(--text-1);}
.breadcrumb .home-ico{
  width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:1.8;
}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-xl);
  overflow:hidden;
  min-height:268px;
  display:flex;
  align-items:center;
  border:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.5;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(14,11,22,.96) 0%,rgba(14,11,22,.82) 46%,rgba(14,11,22,.42) 100%),
    radial-gradient(1200px 300px at 88% 110%,rgba(255,77,109,.30),transparent 70%);
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-80px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:linear-gradient(118deg,rgba(255,77,109,.24),rgba(255,166,61,.10));
  filter:blur(30px);
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:48px 44px;
  max-width:760px;
}
.hero-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:18px;
}
.h1{
  font-size:clamp(30px,5vw,48px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-0.01em;
}
.h1 span{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  max-width:640px;
}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1;
  padding:7px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
}
.badge-gold{color:var(--gold);background:rgba(255,206,92,.12);border-color:rgba(255,206,92,.24);}
.badge-accent{color:var(--accent);background:rgba(63,224,200,.12);border-color:rgba(63,224,200,.24);}
.badge-new{
  color:#1B0E14;
  background:var(--brand-grad);
  border-color:transparent;
  font-size:11px;
  letter-spacing:.04em;
}
.badge-square{border-radius:var(--r-s);}

/* ============ 主体两栏布局 ============ */
.channel-layout{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:48px;
  align-items:start;
  padding-top:64px;
}
.anchor-nav{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:18px 14px;
  box-shadow:var(--sh-1);
}
.anchor-nav-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--text-3);
  padding:0 10px 12px;
}
.anchor-link{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  padding:11px 10px;
  border-radius:var(--r-s);
  position:relative;
  transition:color var(--ease),background var(--ease);
}
.anchor-link::before{
  content:"";
  position:absolute;
  left:-14px;top:50%;
  transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  transition:transform var(--ease);
}
.anchor-link:hover{color:var(--text-1);background:rgba(255,255,255,.05);}
.anchor-link.is-current{
  color:var(--text-1);
  background:rgba(255,77,109,.10);
}
.anchor-link.is-current::before{transform:translateY(-50%) scaleY(1);}
.anchor-link .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--text-3);flex:0 0 auto;
  transition:background var(--ease);
}
.anchor-link.is-current .dot{background:var(--brand-a);}

/* ============ 图文交替行 ============ */
.channel-list{
  display:flex;
  flex-direction:column;
  gap:32px;
}
.channel-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
  min-height:260px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  scroll-margin-top:100px;
}
.channel-row:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,77,109,.28);
}
.channel-row:nth-child(even){direction:rtl;}
.channel-row:nth-child(even) > *{direction:ltr;}
.row-media{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  aspect-ratio:16/11;
  background:var(--surface-2);
}
.row-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.channel-row:hover .row-media img{transform:scale(1.04);}
.row-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,11,22,0) 45%,rgba(14,11,22,.72) 100%);
}
.row-media .badge{
  position:absolute;
  left:14px;top:14px;
  z-index:2;
  background:rgba(14,11,22,.72);
  backdrop-filter:blur(6px);
}
.row-text{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.row-index{
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--text-3);
}
.row-title{
  font-size:clamp(20px,2.4vw,24px);
  font-weight:700;
  line-height:1.3;
}
.row-desc{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}
.row-meta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:2px;
}
.row-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--brand-a);
  margin-top:4px;
  transition:transform var(--ease),color var(--ease);
}
.row-link:hover{transform:translateX(3px);color:var(--brand-b);}

/* ============ 数据条 ============ */
.stat-strip{
  margin-top:var(--gap-sec);
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:34px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat-item{display:flex;flex-direction:column;gap:6px;}
.stat-num{
  font-size:clamp(26px,3.4vw,34px);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-0.01em;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.1;
}
.stat-label{font-size:13px;font-weight:500;color:var(--text-3);}

/* ============ 频道切换说明 ============ */
.switch-cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:8px;
}
.switch-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.switch-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.26);}
.switch-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.switch-card p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(255,77,109,.34);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text-1);
  padding:18px 20px;
}
.faq-icon{
  flex:0 0 auto;
  width:22px;height:22px;
  position:relative;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--text-2);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:background var(--ease);
}
.faq-icon::before{width:13px;height:2px;}
.faq-icon::after{width:2px;height:13px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--brand-a);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s cubic-bezier(.2,.7,.3,1);
}
.faq-a p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  padding:0 20px 20px;
}

/* ============ CTA ============ */
.cta-panel{
  border-radius:var(--r-xl);
  background:var(--brand-grad);
  padding:44px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 18px 48px rgba(255,77,109,.22);
  margin-top:var(--gap-sec);
}
.cta-text h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:800;
  color:#1B0E14;
  line-height:1.3;
}
.cta-text p{
  margin-top:10px;
  font-size:15px;
  line-height:1.7;
  color:rgba(27,14,20,.78);
  max-width:560px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--gap-sec);
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:48px 0 24px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;}
.footer-brand .brand-name{font-size:17px;font-weight:800;}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:340px;
}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:6px 14px;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.footer-social a:hover{color:var(--text-1);border-color:var(--brand-a);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease),transform var(--ease);
  width:fit-content;
}
.footer-links a:hover{color:var(--text-1);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-copy{font-size:13px;color:var(--text-3);}
.to-top{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--brand-a);
  color:var(--text-1);
  font-size:16px;
  display:grid;place-items:center;
  transition:background var(--ease),transform var(--ease);
}
.to-top:hover{background:rgba(255,77,109,.16);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-search input{width:104px;}
  .channel-layout{gap:36px;}
}
@media (max-width:1024px){
  :root{--gap-sec:64px;}
  .nav-link{padding:8px 10px;font-size:14px;}
  .nav-search{display:none;}
  .channel-layout{grid-template-columns:170px 1fr;gap:28px;}
  .switch-cards{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--gap-sec:48px;}
  .container{padding:0 18px;}
  .nav-toggle{display:grid;}
  .nav-channels{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(78vw,320px);
    background:var(--bg-1);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:92px 18px 28px;
    transform:translateX(105%);
    transition:transform var(--ease);
    z-index:75;
    overflow-y:auto;
  }
  .nav-channels.is-open{transform:translateX(0);}
  .nav-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:48px;
    font-size:15px;
    border-radius:var(--r-m);
    background:rgba(255,255,255,.03);
  }
  .nav-link::after{content:"›";color:var(--text-3);font-size:18px;}
  .nav-actions .btn-text{display:none;}
  .nav-actions .btn-primary{padding:10px 16px;font-size:14px;}
  .page-hero-inner{padding:32px 24px;}
  .page-hero{min-height:auto;}
  .channel-layout{grid-template-columns:1fr;gap:24px;padding-top:40px;}
  .anchor-nav{
    position:static;
    padding:12px;
    display:flex;
    gap:8px;
    overflow-x:auto;
    white-space:nowrap;
    border-radius:var(--r-m);
    box-shadow:none;
  }
  .anchor-nav-title{display:none;}
  .anchor-link{padding:9px 14px;background:rgba(255,255,255,.04);border-radius:var(--r-pill);}
  .anchor-link::before{display:none;}
  .anchor-link .dot{display:none;}
  .channel-row{
    grid-template-columns:1fr;
    padding:20px;
    gap:20px;
    min-height:auto;
  }
  .channel-row:nth-child(even){direction:ltr;}
  .switch-cards{grid-template-columns:1fr;}
  .cta-panel{
    flex-direction:column;
    align-items:flex-start;
    padding:32px 24px;
  }
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-main{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .nav-search{display:none;}
  .brand-name{font-size:16px;}
  .stat-strip{grid-template-columns:1fr;padding:26px 20px;}
  .badge{font-size:11px;padding:6px 10px;}
  .row-title{font-size:19px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0E0B16;
  --bg-1:#16112A;
  --surface:#1F1836;
  --surface-2:#2A2145;
  --line:rgba(255,255,255,.09);
  --brand-a:#FF4D6D;
  --brand-b:#FFA63D;
  --brand-grad:linear-gradient(118deg,#FF4D6D 0%,#FFA63D 100%);
  --accent:#3FE0C8;
  --gold:#FFCE5C;
  --text-1:#F7F4FF;
  --text-2:#B5ACCF;
  --text-3:#7C7395;
  --success:#3FE0C8;
  --warn:#FFCE5C;
  --error:#FF6B6B;
  --disabled:#4A4260;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(8,4,20,.45);
  --sh-2:0 18px 48px rgba(255,77,109,.16);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(255,77,109,.35);color:var(--text-1)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(14,11,22,.84);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(14,11,22,.94)}
.nav-wrap{display:flex;align-items:center;gap:26px;height:68px;transition:height var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(255,77,109,.28);
}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text-1)}
.nav-channels{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text-1);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand-grad);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{position:relative}
.nav-search input{
  width:196px;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);
  color:var(--text-1);font-size:14px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(63,224,200,.16);
  background:var(--surface-2);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:var(--r-pill);
  padding:13px 26px;font-size:15px;font-weight:700;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 26px rgba(255,77,109,.26)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand-a);background:rgba(255,77,109,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94)}
.btn-light{background:#F7F4FF;color:#1A0F2B;box-shadow:0 10px 26px rgba(8,4,20,.35)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(8,4,20,.45)}
.btn-light:active{transform:translateY(0);filter:brightness(.95)}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:var(--surface-2);color:var(--text-3);cursor:not-allowed;box-shadow:none}
.btn-text{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--text-2);font-size:14.5px;font-weight:600;padding:8px 4px;
  transition:color var(--ease),transform var(--ease);
}
.btn-text:hover{color:var(--text-1);transform:translateX(2px)}
.btn-text::after{content:"→";font-size:13px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text-1);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;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:16px;height:2px;background:var(--text-1);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-drawer{
  display:none;position:fixed;left:0;right:0;top:60px;bottom:0;z-index:80;
  background:var(--bg-0);border-top:1px solid var(--line);
  padding:16px 18px 40px;overflow-y:auto;
  transform:translateX(100%);opacity:0;pointer-events:none;
  transition:transform var(--ease),opacity var(--ease);
}
.nav-drawer.is-open{transform:translateX(0);opacity:1;pointer-events:auto}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:var(--r-m);
  color:var(--text-2);font-size:15px;font-weight:600;
  border-bottom:1px solid var(--line);
  transition:background var(--ease),color var(--ease);
}
.drawer-link:hover{background:var(--surface);color:var(--text-1)}
.drawer-link.is-active{color:var(--text-1)}
.drawer-link.is-active::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--brand-grad);margin-right:10px}
.drawer-link::after{content:"›";color:var(--text-3);font-size:18px}
.drawer-link.is-active{justify-content:flex-start}
.drawer-link.is-active::after{margin-left:auto}

/* ============ 通用板块 ============ */
main{display:block}
.section{padding:88px 0 0}
.section:last-of-type{padding-bottom:88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:700;position:relative;padding-bottom:14px}
.section-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:36px;height:4px;border-radius:2px;background:var(--brand-grad);
}
.section-head .head-sub{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--accent)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1.6;
  background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.badge-gold{color:var(--gold);background:rgba(255,206,92,.12);border-color:rgba(255,206,92,.28)}
.badge-accent{color:var(--accent);background:rgba(63,224,200,.12);border-color:rgba(63,224,200,.3)}
.badge-new{background:var(--brand-grad);color:#fff;border-color:transparent}
.badge-plain{border-radius:var(--r-s)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);padding:26px 0 18px;
}
.breadcrumb a{color:var(--text-3);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--text-1)}
.breadcrumb .sep{color:var(--text-3);opacity:.6}
.breadcrumb .current{color:var(--text-1)}
.breadcrumb .home-ico{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:6px;background:var(--surface);border:1px solid var(--line);
  font-size:11px;color:var(--accent);
}

/* ============ 页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:1px solid var(--line);
  min-height:272px;padding:44px 46px;display:flex;flex-direction:column;justify-content:center;
  background-image:
    linear-gradient(100deg,rgba(14,11,22,.96) 8%,rgba(22,17,42,.86) 46%,rgba(14,11,22,.62) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-1);
}
.page-hero::before{
  content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,77,109,.28) 0%,rgba(255,166,61,.06) 55%,transparent 72%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;max-width:760px}
.page-hero h1{
  font-size:clamp(30px,5vw,48px);font-weight:800;letter-spacing:-.01em;line-height:1.18;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero p{font-size:15.5px;color:var(--text-2);line-height:1.8;max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ============ 数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-l);
  overflow:hidden;margin-top:26px;
}
.stat-cell{background:var(--bg-1);padding:24px 26px;transition:background var(--ease)}
.stat-cell:hover{background:var(--surface)}
.stat-cell .stat-num{
  font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-cell .stat-num small{font-size:14px;font-weight:700;margin-left:2px}
.stat-cell .stat-label{font-size:13px;color:var(--text-3);margin-top:6px}

/* ============ 榜单列表 ============ */
.rank-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:10px 8px;box-shadow:var(--sh-1);
}
.rank-list{padding:0 6px}
.rank-row{
  display:grid;grid-template-columns:64px 96px minmax(0,1fr) 236px;
  align-items:center;gap:20px;
  padding:16px 16px;border-radius:var(--r-m);
  border-bottom:1px solid var(--line);
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.rank-row:last-child{border-bottom:0}
.rank-row:hover{
  transform:translateY(-2px);background:var(--bg-1);box-shadow:var(--sh-1);border-bottom-color:transparent;
}
.rank-num{
  font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;
}
.rank-thumb{
  width:96px;height:60px;border-radius:var(--r-s);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);flex:0 0 auto;
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.rank-row:hover .rank-thumb img{transform:scale(1.06)}
.rank-title{
  font-size:17px;font-weight:600;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.rank-title a{transition:color var(--ease)}
.rank-title a:hover{color:var(--brand-b)}
.rank-desc{
  font-size:14px;color:var(--text-2);line-height:1.7;margin-top:6px;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;
  -webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.rank-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.heat{display:flex;align-items:center;gap:10px;width:100%;justify-content:flex-end}
.heat-track{
  flex:1 1 auto;max-width:132px;height:6px;border-radius:var(--r-pill);
  background:var(--surface-2);overflow:hidden;
}
.heat-fill{display:block;height:100%;border-radius:var(--r-pill);background:var(--brand-grad)}
.heat-val{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;font-weight:700;min-width:26px;text-align:right}

/* ============ 视角卡 ============ */
.view-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.view-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.view-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.32)}
.view-card .view-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;color:var(--accent);
  background:rgba(63,224,200,.12);border:1px solid rgba(63,224,200,.3);
  border-radius:var(--r-pill);padding:4px 11px;align-self:flex-start;margin-bottom:16px;
}
.view-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.view-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.view-card .view-foot{
  margin-top:auto;padding-top:20px;border-top:1px solid var(--line);margin-top:22px;
}

/* ============ 图文区 ============ */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px;box-shadow:var(--sh-1);
}
.split h2{font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:18px}
.split p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:14px}
.split-media{
  border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/11;box-shadow:var(--sh-1);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.mini-list{margin-top:20px;display:grid;gap:12px}
.mini-item{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:14px 16px;transition:border-color var(--ease),transform var(--ease);
}
.mini-item:hover{border-color:rgba(255,166,61,.4);transform:translateX(2px)}
.mini-item strong{font-size:14.5px;font-weight:600;display:block}
.mini-item span{font-size:13.5px;color:var(--text-2);line-height:1.7}
.dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--brand-grad);margin-top:9px;
}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),background var(--ease);
}
.faq-item:hover{border-color:rgba(255,77,109,.3)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;color:var(--text-1);
  font-size:16px;font-weight:600;text-align:left;line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:var(--surface-2);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:16px;font-weight:700;line-height:1;
  transition:transform var(--ease),color var(--ease),background var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand-a);background:rgba(255,77,109,.14)}
.faq-item.is-open{border-color:rgba(255,77,109,.36)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--brand-grad);border-radius:var(--r-xl);
  padding:48px 52px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 60px rgba(255,77,109,.24);
}
.cta-panel::after{
  content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(255,255,255,.26) 0%,transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:clamp(22px,3vw,30px);font-weight:800;color:#1A0F2B;margin-bottom:10px}
.cta-copy p{font-size:15px;color:rgba(26,15,43,.78);line-height:1.75}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap}
.cta-actions .btn-light{background:#1A0F2B;color:#F7F4FF}
.cta-actions .btn-light:hover{box-shadow:0 16px 36px rgba(26,15,43,.4)}
.cta-actions .btn-outline-light{border-color:rgba(26,15,43,.4);color:#1A0F2B}
.cta-actions .btn-outline-light:hover{background:rgba(26,15,43,.12)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;border-top:1px solid var(--line);background:var(--bg-1);padding-top:48px;
}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px}
.footer-brand .brand-name{font-size:18px;font-weight:800}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-social a{
  padding:6px 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);background:var(--surface);
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.footer-social a:hover{color:var(--text-1);border-color:var(--brand-a);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--text-1)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:var(--text-1);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border-top:1px solid var(--line);padding:22px 0 30px;flex-wrap:wrap;
}
.footer-copy{font-size:13px;color:var(--text-3)}
.to-top{
  width:42px;height:42px;border-radius:50%;
  background:transparent;border:1px solid rgba(255,77,109,.5);color:var(--brand-b);
  font-size:17px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background var(--ease),transform var(--ease),color var(--ease);
}
.to-top:hover{background:var(--brand-grad);color:#fff;transform:translateY(-3px);border-color:transparent}

/* ============ 移动底部条 ============ */
.mobile-bar{display:none}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .rank-row{grid-template-columns:58px 88px minmax(0,1fr) 210px;gap:16px}
  .rank-thumb{width:88px;height:56px}
}
@media (max-width:1024px){
  .section{padding:64px 0 0}
  .section:last-of-type{padding-bottom:64px}
  .nav-search input{width:150px}
  .nav-link{padding:9px 10px;font-size:13.5px}
  .view-grid{grid-template-columns:repeat(3,1fr);gap:18px}
  .split{grid-template-columns:1fr;gap:30px;padding:34px}
  .split-media{aspect-ratio:16/9}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .rank-row{grid-template-columns:52px 80px minmax(0,1fr) 180px;gap:14px}
  .rank-thumb{width:80px;height:52px}
  .footer-main{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .nav-channels{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-drawer{display:block}
  .brand-text{font-size:17px}
  .section{padding:48px 0 0}
  .section:last-of-type{padding-bottom:48px}
  .page-hero{min-height:0;padding:32px 24px 34px;border-radius:var(--r-l)}
  .page-hero h1{font-size:clamp(25px,7vw,33px)}
  .view-grid{grid-template-columns:1fr}
  .rank-row{
    grid-template-columns:auto 72px minmax(0,1fr);
    row-gap:12px;padding:16px 12px;
  }
  .rank-thumb{width:72px;height:48px}
  .rank-num{font-size:24px}
  .rank-meta{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
  .heat{justify-content:flex-start}
  .heat-track{max-width:none}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:56px}
}
@media (max-width:480px){
  body{font-size:15px;padding-bottom:56px}
  .page-hero p{font-size:14.5px}
  .badge{font-size:11px;padding:3px 9px}
  .stat-cell{padding:18px 18px}
  .stat-cell .stat-num{font-size:23px}
  .btn{width:100%}
  .nav-tools .btn-primary{display:none}
  .footer-main{grid-template-columns:1fr}
  .rank-row{grid-template-columns:auto 62px minmax(0,1fr);gap:12px}
  .rank-thumb{width:62px;height:44px}
  .rank-title{font-size:15.5px}
  .rank-desc{-webkit-line-clamp:2}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;height:56px;z-index:95;
    padding:0 16px calc(0px + env(safe-area-inset-bottom,0px));
    background:rgba(22,17,42,.96);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
  }
  .mobile-bar span{font-size:13.5px;color:var(--text-2)}
  .mobile-bar .btn{padding:9px 18px;font-size:13.5px;width:auto}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#0E0B16;
  --bg-1:#16112A;
  --surface:#1F1836;
  --surface-2:#2A2145;
  --line:rgba(255,255,255,.09);
  --brand-a:#FF4D6D;
  --brand-b:#FFA63D;
  --brand-grad:linear-gradient(118deg,#FF4D6D 0%,#FFA63D 100%);
  --accent:#3FE0C8;
  --gold:#FFCE5C;
  --text-1:#F7F4FF;
  --text-2:#B5ACCF;
  --text-3:#7C7395;
  --ok:#3FE0C8;
  --warn:#FFCE5C;
  --err:#FF6B6B;
  --disabled:#4A4260;
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(8,4,20,.45);
  --sh-2:0 18px 48px rgba(255,77,109,.16);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --sec:88px;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,77,109,.35);color:#fff}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec) 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.section-head{margin-bottom:36px;max-width:820px}
.section-head .kicker{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--brand-a);
  margin-bottom:10px;
}
.section-head h2{
  font-size:clamp(22px,3vw,32px);
  font-weight:700;
  line-height:1.25;
}
.section-head h2::after{
  content:"";
  display:block;
  width:36px;
  height:4px;
  border-radius:2px;
  background:var(--brand-grad);
  margin-top:12px;
}
.section-head p{
  margin-top:14px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.8;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 22px 52px rgba(255,77,109,.3)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1)}
.btn-ghost:hover{border-color:var(--brand-a);background:rgba(255,77,109,.10);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0);filter:brightness(.94)}
.btn-light{background:#1B0E14;color:#fff}
.btn-light:hover{filter:brightness(1.15);transform:translateY(-2px)}
.btn-light:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{background:var(--surface-2);color:var(--text-3);box-shadow:none;cursor:not-allowed;transform:none;border-color:transparent}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--text-2);
  transition:color var(--ease),transform var(--ease);
}
.btn-text:hover{color:var(--text-1);transform:translateX(2px)}
.btn-text::after{content:"›";font-size:16px;line-height:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(14,11,22,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(14,11,22,.94)}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
  transition:height var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;
  flex:0 0 auto;
  border-radius:11px;
  background:var(--brand-grad);
  display:grid;
  place-items:center;
  box-shadow:0 6px 18px rgba(255,77,109,.3);
}
.brand-mark svg{width:18px;height:18px}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-1);
  white-space:nowrap;
}

.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;min-width:0}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.is-active{
  color:var(--text-1);
  background:rgba(255,77,109,.14);
  box-shadow:inset 0 0 0 1px rgba(255,77,109,.32);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-19px;
  transform:translateX(-50%);
  width:26px;
  height:3px;
  border-radius:2px;
  background:var(--brand-grad);
}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  width:200px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(63,224,200,.18)}
.nav-search svg{width:16px;height:16px;flex:0 0 auto;stroke:var(--text-3)}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  background:none;
  border:0;
  outline:none;
  color:var(--text-1);
  font-size:14px;
}
.nav-search input::placeholder{color:var(--text-3)}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  cursor:pointer;
  padding:0;
  place-items:center;
  gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-1);margin:3px auto}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,4,14,.68);
  z-index:200;
  opacity:0;
  pointer-events:none;
  transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:300px;
  max-width:84vw;
  background:var(--bg-1);
  border-right:1px solid var(--line);
  z-index:210;
  padding:20px;
  transform:translateX(-104%);
  transition:transform var(--ease);
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:36px;height:36px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--text-1);
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  padding:0 4px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--text-1)}
.drawer-nav a span{color:var(--text-3);font-size:18px}
.drawer-search input{
  width:100%;
  height:44px;
  padding:0 16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  color:var(--text-1);
  outline:none;
}
.drawer-search input::placeholder{color:var(--text-3)}
.drawer-search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(63,224,200,.18)}
.drawer-cta{width:100%}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  font-weight:500;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--text-1)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .current{color:var(--text-1)}
.crumb .home-ico{
  width:15px;height:15px;
  stroke:var(--text-3);
  vertical-align:-2px;
}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.32;
}
.page-hero .hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,11,22,.6) 0%,rgba(14,11,22,.92) 100%);
}
.page-hero .hero-beam{
  position:absolute;
  top:-160px;
  right:-120px;
  width:520px;
  height:420px;
  background:var(--brand-grad);
  opacity:.16;
  filter:blur(90px);
  border-radius:50%;
  pointer-events:none;
}
.page-hero .container{position:relative;padding-top:56px;padding-bottom:56px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(63,224,200,.3);
  background:rgba(63,224,200,.1);
  color:var(--accent);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(30px,5vw,48px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  max-width:900px;
}
.page-hero .lead{
  margin-top:18px;
  max-width:660px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.stat{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:10px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  font-size:13.5px;
  color:var(--text-2);
}
.stat b{
  font-size:18px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ============ 准备清单 ============ */
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.prep-card{
  position:relative;
  padding:26px 24px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.34)}
.prep-num{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.prep-card h3{margin-top:12px;font-size:18px;font-weight:600;line-height:1.45}
.prep-card p{margin-top:10px;font-size:14.5px;line-height:1.75;color:var(--text-2)}

/* ============ 步骤时间轴 ============ */
.timeline{position:relative}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:14px;
  bottom:14px;
  width:2px;
  border-radius:2px;
  background:var(--brand-grad);
  opacity:.7;
}
.tl-item{position:relative;padding-left:64px;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;
  left:0;
  top:22px;
  width:40px;
  height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:var(--bg-0);
  border:1px solid rgba(255,166,61,.4);
  color:var(--gold);
  font-size:13.5px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(14,11,22,.9);
}
.tl-card{
  display:grid;
  grid-template-columns:1fr 220px;
  gap:26px;
  padding:26px 26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,77,109,.3)}
.tl-card.is-plain{grid-template-columns:1fr}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.45}
.tl-card > .tl-body > p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2)}
.tl-points{margin-top:14px;display:grid;gap:8px}
.tl-points li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.tl-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--brand-grad);
}
.tl-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  font-size:12.5px;
  font-weight:600;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
}
.badge-gold{color:var(--gold);background:rgba(255,206,92,.12);border-color:rgba(255,206,92,.28)}
.badge-cyan{color:var(--accent);background:rgba(63,224,200,.1);border-color:rgba(63,224,200,.28)}
.badge-new{color:#fff;background:var(--brand-grad);border-color:transparent}

/* ============ 图文两栏 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  background:var(--surface);
}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-body h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  line-height:1.3;
}
.split-body h2::after{
  content:"";
  display:block;
  width:36px;height:4px;
  border-radius:2px;
  background:var(--brand-grad);
  margin-top:12px;
}
.split-list{margin-top:24px;display:grid;gap:18px}
.split-list li{
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  transition:border-color var(--ease),transform var(--ease);
}
.split-list li:hover{border-color:rgba(63,224,200,.36);transform:translateX(4px)}
.split-list h3{font-size:16.5px;font-weight:600;display:flex;align-items:center;gap:10px}
.split-list h3 .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(63,224,200,.14);
}
.split-list p{margin-top:8px;font-size:14.5px;line-height:1.8;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(255,77,109,.28)}
.faq-item.is-open{border-color:rgba(255,77,109,.4);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:none;
  border:0;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  cursor:pointer;
}
.faq-q .plus{
  flex:0 0 auto;
  width:24px;height:24px;
  display:grid;
  place-items:center;
  font-size:20px;
  font-weight:400;
  line-height:1;
  color:var(--text-3);
  transition:transform var(--ease),color var(--ease);
}
.faq-item.is-open .plus{transform:rotate(45deg);color:var(--brand-a)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
  border-top:1px solid var(--line);
  padding-top:16px;
  margin-top:0;
}

/* ============ CTA ============ */
.cta-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px;
  border-radius:var(--r-xl);
  background:var(--brand-grad);
  box-shadow:0 24px 60px rgba(255,77,109,.22);
}
.cta-panel h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;line-height:1.35;color:#1B0E14;max-width:620px}
.cta-panel p{margin-top:10px;font-size:15px;color:rgba(27,14,20,.78);max-width:560px}

/* ============ 行式入口 ============ */
.link-rows{border-top:1px solid var(--line)}
.link-row{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  padding:20px 12px;
  border-bottom:1px solid var(--line);
  transition:background var(--ease),padding var(--ease);
}
.link-row::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:2px;
  background:var(--brand-grad);
  opacity:0;
  transition:opacity var(--ease);
}
.link-row:hover{background:var(--bg-1);padding-left:24px}
.link-row:hover::before{opacity:1}
.link-row .lr-txt{flex:1 1 auto;min-width:0}
.link-row h3{font-size:16.5px;font-weight:600}
.link-row p{margin-top:4px;font-size:14px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-row .lr-go{flex:0 0 auto;color:var(--text-3);font-size:20px;line-height:1}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sec);
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding-top:48px;
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  max-width:340px;
}
.footer-social{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.footer-social a{
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  background:var(--surface);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{border-color:var(--brand-a);color:var(--text-1);transform:translateY(-2px)}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{
  font-size:14px;
  color:var(--text-2);
  transition:color var(--ease),transform var(--ease);
  display:inline-block;
}
.footer-links a:hover{color:var(--text-1);transform:translateX(2px)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
}
.footer-copy{font-size:13px;color:var(--text-3)}
.to-top{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid rgba(255,166,61,.5);
  background:rgba(255,77,109,.08);
  color:var(--text-1);
  font-size:16px;
  cursor:pointer;
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.to-top:hover{background:rgba(255,77,109,.18);transform:translateY(-3px);border-color:var(--brand-a)}
.to-top:active{transform:translateY(0)}

/* ============ 固定底栏 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:56px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  align-items:center;
  justify-content:space-between;
  gap:12px;
  background:rgba(22,17,42,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  z-index:130;
}
.mobile-bar span{font-size:13px;color:var(--text-2)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-search{width:168px}
  .nav-link{padding:8px 10px;font-size:14px}
}
@media (max-width:1024px){
  :root{--sec:64px}
  .nav-search{display:none}
  .nav-channels{gap:0;margin-left:0}
  .nav-link{padding:8px 9px;font-size:13.5px}
  .nav-link.is-active::after{bottom:-17px}
  .prep-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{padding:36px}
}
@media (max-width:768px){
  :root{--sec:56px}
  .nav-toggle{display:grid}
  .nav-channels{display:none}
  .header-inner{height:62px;gap:12px}
  .brand{margin:0 auto}
  .brand-name{font-size:16px}
  .header-actions .btn-text{display:none}
  .header-actions .btn-sm{padding:9px 16px;font-size:13.5px}
  .page-hero .container{padding-top:40px;padding-bottom:44px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .prep-grid{grid-template-columns:1fr}
  .tl-item{padding-left:52px}
  .timeline::before{left:15px}
  .tl-node{width:32px;height:32px;font-size:12px;top:26px}
  .tl-card{grid-template-columns:1fr;padding:22px}
  .tl-media{order:-1}
  .prep-card{padding:22px 20px}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .cta-panel .btn{width:100%}
  .link-row p{white-space:normal}
}
@media (max-width:480px){
  .container{padding:0 18px}
  :root{--sec:48px}
  .page-hero .lead{font-size:15px}
  .hero-stats{gap:8px}
  .stat{padding:8px 12px;font-size:12.5px}
  .stat b{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .badge{font-size:11px;padding:4px 10px}
  .split-list li{padding:16px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a p{padding:14px 16px 18px;font-size:14.5px}
  .mobile-bar{display:flex}
  body{padding-bottom:56px}
}