/* roulang page: index */
:root{
  --ink-0:#08090C;
  --ink-1:#0F1216;
  --ink-2:#171B21;
  --ink-3:#1F242C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --flame:#FF4D2E;
  --flame-2:#FF6B4D;
  --teal:#2AD8C4;
  --amber:#FFB33E;
  --tx-1:#F2F4F7;
  --tx-2:#A6AFBB;
  --tx-3:#6E7884;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --nav-h:64px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-0);
  color:var(--tx-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--tx-1);
  font-family:var(--font-sans);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;border:0;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  height:var(--nav-h);
  background:rgba(8,9,12,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  height:100%;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16.5px;
  font-weight:700;
  color:var(--tx-1);
  letter-spacing:.01em;
  white-space:nowrap;
  flex:0 0 auto;
}
.logo-mark{
  position:relative;
  width:20px;
  height:20px;
  flex:0 0 auto;
  background:var(--flame);
  clip-path:polygon(0 0,66% 0,100% 34%,100% 100%,34% 100%,0 66%);
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:2px;
  background:var(--ink-0);
  clip-path:polygon(0 0,66% 0,100% 34%,100% 100%,34% 100%,0 66%);
}
.logo:hover .logo-mark{background:var(--flame-2);}

.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  min-width:0;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:var(--nav-h);
  padding:0 14px;
  font-size:14.5px;
  color:var(--tx-2);
  white-space:nowrap;
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a.is-active{color:var(--tx-1);font-weight:600;}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:13px;
  height:2px;
  border-radius:2px;
  background:var(--flame);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex:0 0 auto;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  color:var(--tx-2);
  transition:all .18s ease;
}
.icon-btn:hover{color:var(--tx-1);border-color:var(--teal);background:rgba(255,255,255,.05);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--flame);color:#0B0B0C;}
.btn-primary:hover{background:var(--flame-2);transform:translateY(-1px);box-shadow:0 10px 28px rgba(255,77,46,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1);}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--teal);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:auto;
  padding:0;
  color:var(--teal);
  font-size:14.5px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.btn-text:hover{color:var(--tx-1);}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 9px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
}
.badge-teal{background:rgba(42,216,196,.12);color:var(--teal);}
.badge-flame{background:var(--flame);color:#0B0B0C;}
.badge-ghost{background:rgba(255,255,255,.06);color:var(--tx-2);border:1px solid var(--line);}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 9px;
  border-radius:6px;
  border:1px solid var(--line);
  color:var(--tx-3);
  font-size:12.5px;
  line-height:1;
}
.dot{
  display:inline-block;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--amber);
  margin-right:7px;
  vertical-align:middle;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 24px) 0 88px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-180px;
  right:-160px;
  width:620px;
  height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,46,.14),transparent 68%);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  left:-140px;
  bottom:-220px;
  width:520px;
  height:520px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(42,216,196,.09),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  color:var(--tx-2);
  font-size:12.5px;
  letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-kicker i{color:var(--teal);font-size:11px;}
.hero h1{
  font-size:44px;
  line-height:1.2;
  letter-spacing:-.02em;
  max-width:14em;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  color:var(--flame);
  position:relative;
}
.hero-lead{
  font-size:16px;
  line-height:1.85;
  color:var(--tx-2);
  max-width:34em;
  margin-bottom:32px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:44px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px 44px;
  border-top:1px solid var(--line);
  padding-top:24px;
}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats strong{
  font-size:24px;
  font-weight:700;
  color:var(--tx-1);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:13px;color:var(--tx-3);}

.hero-visual{
  position:relative;
  padding:0 16px 20px 0;
}
.hero-img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:var(--r-l);
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:linear-gradient(140deg,var(--ink-2),var(--ink-3));
}
.hero-poster{
  position:absolute;
  right:0;
  bottom:0;
  width:37%;
  max-width:178px;
  border-radius:var(--r-m);
  overflow:hidden;
  border:2px solid var(--ink-0);
  box-shadow:var(--sh-2);
  background:var(--ink-2);
}
.hero-poster img{width:100%;aspect-ratio:2/3;object-fit:cover;}
.hero-poster .badge{position:absolute;top:8px;left:8px;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section--tint{background:var(--ink-1);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.section-head h2{
  font-size:28px;
  padding-left:14px;
  position:relative;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--flame);
}
.section-sub{
  padding-left:14px;
  margin-top:10px;
  font-size:14.5px;
  color:var(--tx-3);
}
.scroll-tools{display:flex;gap:10px;}
.scroll-tools button{
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--tx-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:all .18s ease;
}
.scroll-tools button:hover{color:var(--tx-1);border-color:var(--teal);background:rgba(255,255,255,.05);}
.scroll-tools button:disabled{opacity:.3;cursor:not-allowed;}

/* ============ 横滑片库 ============ */
.scroller{
  display:flex;
  gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding-bottom:6px;
  scrollbar-width:none;
}
.scroller::-webkit-scrollbar{height:0;display:none;}
.poster-card{
  flex:0 0 240px;
  scroll-snap-align:start;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.poster-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(255,77,46,.14);
}
.poster-thumb{
  position:relative;
  aspect-ratio:2/3;
  overflow:hidden;
  background:linear-gradient(135deg,var(--ink-3),var(--ink-2));
}
.poster-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .22s ease;
}
.poster-card:hover .poster-thumb img{transform:scale(1.04);}
.poster-thumb .badge{position:absolute;top:10px;left:10px;}
.poster-body{padding:16px;}
.poster-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:8px;
}
.poster-meta{
  display:flex;
  align-items:center;
  font-size:12.5px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 编号榜单 ============ */
.rank-item{
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:20px;
  border-radius:var(--r-m);
  background:var(--ink-2);
  border:1px solid var(--line);
  height:100%;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rank-item:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(255,77,46,.12);
}
.rank-num{
  flex:0 0 auto;
  font-size:34px;
  font-weight:700;
  line-height:1;
  color:rgba(255,255,255,.16);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  padding-top:2px;
}
.rank-item:first-child .rank-num,
.rank-item.is-top .rank-num{color:var(--amber);}
.rank-thumb{
  flex:0 0 88px;
  width:88px;
  height:88px;
  border-radius:var(--r-s);
  overflow:hidden;
  background:var(--ink-3);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{flex:1 1 auto;min-width:0;}
.rank-body h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.rank-body p{
  font-size:14px;
  color:var(--tx-3);
  line-height:1.65;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 分类入口 7:5 ============ */
.entry-main{
  position:relative;
  display:block;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--line);
  min-height:360px;
  background:var(--ink-2);
}
.entry-main img{
  width:100%;
  height:100%;
  min-height:360px;
  object-fit:cover;
  transition:transform .3s ease;
}
.entry-main::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,9,12,.15) 0%,rgba(8,9,12,.72) 52%,rgba(8,9,12,.96) 100%);
}
.entry-main:hover img{transform:scale(1.03);}
.entry-main-body{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:26px;
  z-index:2;
}
.entry-main-body h3{font-size:24px;margin:12px 0 10px;}
.entry-main-body p{
  font-size:14.5px;
  color:var(--tx-2);
  line-height:1.7;
  margin-bottom:16px;
  max-width:34em;
}
.entry-main-body .btn-text{margin-top:2px;}

.entry-side{display:flex;flex-direction:column;gap:16px;height:100%;}
.entry-mini{
  display:flex;
  gap:16px;
  padding:16px;
  border-radius:var(--r-m);
  background:var(--ink-2);
  border:1px solid var(--line);
  flex:1 1 0;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.entry-mini:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 24px rgba(255,77,46,.12);
}
.entry-mini-thumb{
  flex:0 0 104px;
  width:104px;
  border-radius:var(--r-s);
  overflow:hidden;
  background:var(--ink-3);
}
.entry-mini-thumb img{width:100%;height:100%;object-fit:cover;}
.entry-mini-body{flex:1 1 auto;min-width:0;}
.entry-mini-body h3{font-size:16.5px;font-weight:600;margin:8px 0 6px;}
.entry-mini-body p{
  font-size:13.5px;
  color:var(--tx-3);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============ 小卡带 ============ */
.mini-card{
  display:block;
  padding:18px;
  border-radius:var(--r-m);
  background:var(--ink-2);
  border:1px solid var(--line);
  height:100%;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.mini-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 24px rgba(255,77,46,.12);
}
.mini-card i{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:var(--r-s);
  background:rgba(42,216,196,.12);
  color:var(--teal);
  font-size:14px;
  margin-bottom:12px;
}
.mini-card h3{font-size:15.5px;font-weight:600;margin-bottom:6px;}
.mini-card p{
  font-size:13.5px;
  color:var(--tx-3);
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============ 最新信息 ============ */
.news-card{
  position:relative;
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(255,77,46,.14);
}
.news-link{position:absolute;inset:0;z-index:3;}
.news-link:focus-visible{outline:2px solid var(--teal);outline-offset:-4px;}
.news-cover{
  aspect-ratio:16/9;
  overflow:hidden;
  background:repeating-linear-gradient(45deg,var(--ink-3),var(--ink-3) 10px,var(--ink-2) 10px,var(--ink-2) 20px);
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body .badge{align-self:flex-start;margin-bottom:12px;}
.news-title{
  font-size:17px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-excerpt{
  font-size:13.5px;
  color:var(--tx-3);
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  font-size:12.5px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:center;
}
.empty-state{
  min-height:64px;
  padding:36px 24px;
  border-radius:var(--r-m);
  border:1px dashed var(--line-strong);
  background:var(--ink-2);
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
}
.empty-state p{font-size:14.5px;color:var(--tx-3);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-s);
  overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 50px 18px 20px;
  position:relative;
  font-size:15.5px;
  font-weight:600;
  color:var(--tx-1);
  line-height:1.5;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:19px;
  font-weight:400;
  color:var(--teal);
  transition:transform .18s ease;
  line-height:1;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--teal);}
.faq-answer{
  padding:0 20px 20px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--tx-2);
}
.faq-aside{
  background:linear-gradient(160deg,var(--ink-3),var(--ink-2));
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:28px;
  position:sticky;
  top:calc(var(--nav-h) + 24px);
}
.faq-aside h3{font-size:19px;margin-bottom:10px;}
.faq-aside p{font-size:14px;color:var(--tx-3);line-height:1.75;margin-bottom:20px;}

/* ============ CTA 横幅 ============ */
.cta-banner{
  position:relative;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:52px 48px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-banner::before,
.cta-banner::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:8px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 6px,transparent 6px 18px);
  opacity:.7;
}
.cta-banner::before{top:0;}
.cta-banner::after{bottom:0;}
.cta-banner h2{
  font-size:28px;
  line-height:1.3;
  margin-bottom:10px;
}
.cta-banner p{font-size:14.5px;color:var(--tx-2);max-width:38em;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-1);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{
  font-size:13.5px;
  color:var(--tx-3);
  line-height:1.8;
  max-width:24em;
}
.footer-col h4{
  font-size:13.5px;
  color:var(--tx-1);
  margin-bottom:16px;
  letter-spacing:.04em;
  font-weight:600;
}
.footer-col a,
.footer-col p{
  display:block;
  font-size:13.5px;
  color:var(--tx-2);
  line-height:1.9;
  margin-bottom:6px;
}
.footer-col a:hover{color:var(--teal);}
.footer-col p{color:var(--tx-3);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  text-align:center;
  font-size:12.5px;
  color:var(--tx-3);
}

/* ============ 移动端导航 ============ */
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-s);
  border:1px solid var(--line-strong);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  transition:border-color .18s ease;
}
.nav-toggle span{
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--tx-1);
  transition:transform .2s ease,opacity .2s 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-nav{
  position:fixed;
  top:var(--nav-h);
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  background:rgba(8,9,12,.98);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  padding:28px 20px 48px;
  display:none;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
}
.mobile-nav.is-open{display:flex;}
.mobile-nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 16px;
  border-radius:var(--r-s);
  font-size:16px;
  color:var(--tx-2);
  border:1px solid transparent;
}
.mobile-nav a:hover,
.mobile-nav a.is-active{
  color:var(--tx-1);
  background:rgba(255,255,255,.05);
  border-color:var(--line);
}
.mobile-nav .btn{margin-top:20px;min-height:46px;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-primary{display:none;}
  .hero{padding:48px 0 64px;}
  .hero h1{font-size:34px;max-width:none;}
  .hero-visual{padding:0 12px 16px 0;margin-top:40px;max-width:520px;}
  .hero-img{aspect-ratio:3/2;}
  .hero-poster{width:34%;max-width:150px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:24px;}
  .poster-card{flex:0 0 200px;}
  .entry-main,
  .entry-main img{min-height:300px;}
  .faq-aside{position:static;margin-top:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-banner{padding:40px 32px;}
  .cta-banner h2{font-size:24px;}
  .rank-num{font-size:28px;}
}

@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:15.5px;}
  .hero-stats{gap:14px 28px;}
  .hero-stats strong{font-size:21px;}
  .section-head{margin-bottom:28px;}
  .entry-side{flex-direction:column;}
  .entry-mini{flex:0 0 auto;}
  .entry-main-body{padding:20px;}
  .entry-main-body h3{font-size:20px;}
  .cta-banner{padding:36px 24px;}
}

@media (max-width:520px){
  :root{--nav-h:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .logo{font-size:15px;}
  .hero{padding:36px 0 48px;}
  .hero h1{font-size:26px;}
  .hero-kicker{font-size:12px;}
  .hero-cta{gap:10px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-visual{padding:0 10px 14px 0;}
  .hero-poster{width:38%;max-width:124px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:21px;padding-left:12px;}
  .section-sub{padding-left:12px;font-size:13.5px;}
  .poster-card{flex:0 0 72vw;}
  .rank-item{padding:16px;gap:12px;}
  .rank-thumb{flex:0 0 64px;width:64px;height:64px;}
  .rank-num{font-size:24px;}
  .rank-body h3{font-size:15.5px;}
  .entry-mini-thumb{flex:0 0 84px;width:84px;}
  .news-body{padding:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:44px;}
  .cta-banner{padding:32px 20px;}
  .cta-banner h2{font-size:21px;}
  .cta-banner .btn{width:100%;}
  .faq-item summary{padding:16px 44px 16px 16px;font-size:14.5px;}
  .faq-answer{padding:0 16px 16px;font-size:14px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --ink-0:#08090C; --ink-1:#0F1216; --ink-2:#171B21; --ink-3:#1F242C;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.16);
  --flame:#FF4D2E; --flame-2:#FF6B4D; --teal:#2AD8C4; --amber:#FFB33E;
  --tx-1:#F2F4F7; --tx-2:#A6AFBB; --tx-3:#6E7884;
  --r-s:8px; --r-m:14px; --r-l:20px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35); --sh-2:0 14px 36px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--ink-0);color:var(--tx-2);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--tx-1);line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
a{color:var(--teal);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--flame-2)}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px}
.container{
  width:100%;max-width:var(--container);margin:0 auto;
  padding-left:24px;padding-right:24px;
}
.num{font-variant-numeric:tabular-nums}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;height:64px;
  background:rgba(8,9,12,.86);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:28px;height:64px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;
  color:var(--tx-1);font-size:17px;font-weight:700;letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--tx-1)}
.logo-mark{
  width:20px;height:20px;flex:0 0 20px;border:2px solid var(--flame);
  border-radius:5px 2px 5px 2px;position:relative;transform:rotate(0deg);
}
.logo-mark::after{
  content:"";position:absolute;inset:4px 4px 4px 4px;
  background:var(--flame);border-radius:2px;opacity:.9;
}
.nav-links{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;
}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  height:64px;padding:0 12px;font-size:15px;color:var(--tx-2);
  transition:color .2s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--flame);border-radius:2px;transform:scaleX(0);
  transform-origin:left center;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--tx-1)}
.nav-links a.is-active{color:var(--tx-1);font-weight:600}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  color:var(--tx-2);font-size:15px;transition:all .2s ease;
}
.icon-btn:hover{color:var(--tx-1);border-color:var(--teal);background:rgba(255,255,255,.06)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--flame);color:#0B0B0C;border:1px solid var(--flame)}
.btn-primary:hover{background:var(--flame-2);border-color:var(--flame-2);color:#0B0B0C;transform:translateY(-1px);box-shadow:0 10px 28px rgba(255,77,46,.18)}
.btn-ghost{background:transparent;color:var(--tx-1);border:1px solid var(--line-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--teal);color:var(--tx-1);transform:translateY(-1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--teal);
  font-size:15px;font-weight:600;text-decoration:underline;
  text-underline-offset:4px;text-decoration-thickness:1px;
}
.btn-link:hover{color:var(--flame-2)}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border-radius:var(--r-s);border:1px solid var(--line-strong);color:var(--tx-1);font-size:16px;
}

/* ============ 页头 ============ */
.cat-hero{
  position:relative;background:var(--ink-1);
  padding-top:calc(64px + 24px);padding-bottom:40px;overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(8,9,12,.97),rgba(8,9,12,.78) 52%,rgba(8,9,12,.4)),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  opacity:.55;
}
.cat-hero > .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--tx-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--tx-2)}
.breadcrumb a:hover{color:var(--teal)}
.breadcrumb .sep{color:var(--tx-3);opacity:.7}
.breadcrumb .current{color:var(--tx-1)}
.cat-hero-grid{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.cat-hero-copy{flex:1 1 520px;min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:6px;background:rgba(42,216,196,.12);color:var(--teal);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--teal)}
.cat-hero h1{
  font-size:36px;line-height:1.22;margin-bottom:16px;max-width:16em;
}
.cat-hero h1 em{font-style:normal;color:var(--flame)}
.cat-hero .lede{font-size:16px;color:var(--tx-2);max-width:56ch;line-height:1.8}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px}
.hero-stats .stat{min-width:96px}
.hero-stats .stat b{
  display:block;font-size:24px;color:var(--tx-1);line-height:1.2;
  font-variant-numeric:tabular-nums;font-weight:700;
}
.hero-stats .stat span{font-size:13.5px;color:var(--tx-3)}
.cat-hero-visual{flex:0 0 400px;max-width:100%}
.hero-banner{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--sh-2);
  height:200px;background:linear-gradient(140deg,var(--ink-2),var(--ink-3));
}
.hero-banner img{width:100%;height:100%;object-fit:cover}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(8,9,12,.55),rgba(8,9,12,0) 60%);
}
.hero-badge{
  position:absolute;left:14px;bottom:14px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:6px;
  background:var(--flame);color:#0B0B0C;font-size:12.5px;font-weight:600;
}
.hero-divider{height:1px;background:var(--line);margin:32px 0 0}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--ink-1)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-head .title-group{display:flex;align-items:center;gap:14px}
.section-head .bar{width:3px;height:26px;border-radius:2px;background:var(--flame);flex:0 0 3px}
.section-head h2{font-size:28px}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--tx-3);max-width:62ch}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.info-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;position:relative;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.info-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--flame),transparent 70%);opacity:.7;
}
.info-card:hover{
  transform:translateY(-4px);border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(255,77,46,.18);
}
.card-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-3);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.info-card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{
  position:absolute;top:12px;left:12px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:6px;background:rgba(42,216,196,.16);color:var(--teal);
  font-size:12.5px;font-weight:600;backdrop-filter:blur(4px);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-body h3{font-size:19px;line-height:1.4}
.card-body h3 a{color:var(--tx-1)}
.card-body h3 a:hover{color:var(--flame-2)}
.card-body p{font-size:14.5px;color:var(--tx-2);line-height:1.7}
.card-meta{
  margin-top:auto;display:flex;align-items:center;gap:12px;
  font-size:12.5px;color:var(--tx-3);padding-top:6px;
}
.card-meta .t{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.card-meta .t::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--amber);display:inline-block}
.card-meta .read{margin-left:auto;color:var(--teal);font-weight:600}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.step{
  display:flex;gap:18px;padding:24px;background:var(--ink-2);
  border:1px solid var(--line);border-radius:var(--r-m);
  transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(255,255,255,.18);transform:translateY(-2px)}
.step-no{
  flex:0 0 auto;font-size:32px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--flame);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step-body h3{font-size:18px;margin-bottom:8px}
.step-body p{font-size:14.5px;color:var(--tx-2)}

/* ============ 检查清单 ============ */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 32px}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;background:var(--ink-1);border:1px solid var(--line);
  border-radius:var(--r-s);font-size:14.5px;color:var(--tx-2);
}
.checklist li i{color:var(--teal);font-size:14px;margin-top:4px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-s);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,255,255,.18)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;
  display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:600;color:var(--tx-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q{
  flex:0 0 auto;color:var(--flame);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.faq-item summary .ic{
  margin-left:auto;flex:0 0 auto;width:20px;height:20px;position:relative;
}
.faq-item summary .ic::before,
.faq-item summary .ic::after{
  content:"";position:absolute;background:var(--teal);border-radius:2px;
  transition:transform .18s ease;
}
.faq-item summary .ic::before{left:0;right:0;top:9px;height:2px}
.faq-item summary .ic::after{top:0;bottom:0;left:9px;width:2px}
.faq-item[open] summary .ic::after{transform:scaleY(0)}
.faq-answer{padding:0 20px 20px 52px;font-size:14.5px;color:var(--tx-2);line-height:1.8}
.faq-side{
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;position:sticky;top:88px;
}
.faq-side h3{font-size:18px;margin-bottom:10px}
.faq-side p{font-size:14px;color:var(--tx-2);margin-bottom:18px}
.faq-side .btn{width:100%}

/* ============ 分页 ============ */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;border-radius:var(--r-s);
  border:1px solid var(--line-strong);color:var(--tx-2);font-size:14px;
  transition:all .2s ease;font-variant-numeric:tabular-nums;
}
.pager a:hover{border-color:var(--teal);color:var(--tx-1)}
.pager .is-current{background:var(--flame);border-color:var(--flame);color:#0B0B0C;font-weight:600}
.pager .is-disabled{opacity:.35;pointer-events:none}

/* ============ CTA 横幅 ============ */
.cta-band{padding:64px 0}
.cta-inner{
  position:relative;background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r-l);padding:48px 44px;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner::before,.cta-inner::after{
  content:"";position:absolute;left:0;right:0;height:8px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.14) 0 10px,transparent 10px 22px);
}
.cta-inner::before{top:0}
.cta-inner::after{bottom:0}
.cta-copy{flex:1 1 460px;min-width:0}
.cta-copy h2{font-size:28px;margin-bottom:12px}
.cta-copy p{font-size:15px;color:var(--tx-2);max-width:54ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-1);border-top:1px solid var(--line);padding:64px 0 28px;font-size:13.5px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
.footer-brand .logo{font-size:17px;margin-bottom:16px}
.footer-brand p{color:var(--tx-2);line-height:1.8;max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social span{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:var(--r-s);color:var(--tx-2);
  transition:all .2s ease;
}
.footer-social span:hover{border-color:var(--teal);color:var(--teal)}
.footer-col h4{font-size:14px;color:var(--tx-1);margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;color:var(--tx-2);margin-bottom:10px;font-size:13.5px}
.footer-col a:hover{color:var(--teal)}
.footer-col p{color:var(--tx-2);line-height:1.8;margin-bottom:10px}
.footer-bottom{
  text-align:center;padding-top:24px;font-size:12.5px;color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding-left:20px;padding-right:20px}
  .site-header{height:56px}
  .header-inner{height:56px;gap:16px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;top:56px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(8,9,12,.98);padding:20px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    overflow-y:auto;z-index:55;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-links a{
    height:52px;padding:0 16px;font-size:16px;border-radius:var(--r-s);
    border:1px solid var(--line);
  }
  .nav-links a::after{display:none}
  .nav-links a.is-active{background:rgba(255,77,46,.1);border-color:rgba(255,77,46,.35);color:var(--tx-1)}
  .cat-hero{padding-top:calc(56px + 28px);padding-bottom:36px}
  .cat-hero-visual{flex:1 1 100%;max-width:100%}
  .hero-banner{height:200px}
  .cat-hero h1{font-size:28px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .steps{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr}
  .faq-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .cta-inner{padding:36px 28px}
  .cta-copy h2{font-size:23px}
}
@media (max-width:640px){
  .container{padding-left:16px;padding-right:16px}
  body{font-size:15.5px}
  .cat-hero h1{font-size:26px}
  .cat-hero .lede{font-size:15px}
  .hero-stats{gap:20px}
  .hero-stats .stat b{font-size:20px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .section-head h2{font-size:22px}
  .faq-answer{padding-left:20px}
  .cta-inner{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .header-actions .btn-primary{display:none}
  .step{padding:20px}
  .step-no{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: article */
:root{
  --ink-0:#08090C;
  --ink-1:#0F1216;
  --ink-2:#171B21;
  --ink-3:#1F242C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --flame:#FF4D2E;
  --flame-2:#FF6B4D;
  --teal:#2AD8C4;
  --teal-soft:rgba(42,216,196,.12);
  --amber:#FFB33E;
  --tx-1:#F2F4F7;
  --tx-2:#A6AFBB;
  --tx-3:#6E7884;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-0);
  color:var(--tx-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 480px at 82% -8%,rgba(255,77,46,.10),transparent 68%),
    radial-gradient(760px 420px at 6% 4%,rgba(42,216,196,.07),transparent 70%);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--teal);text-decoration:none;transition:color .2s ease;}
a:hover{color:#5fe6d6;}
p{margin:0 0 1em;}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--tx-1);font-family:var(--font-sans);line-height:1.25;letter-spacing:-.01em;font-weight:700;}
button{font-family:inherit;}
::selection{background:rgba(255,77,46,.32);color:#fff;}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:1;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(8,9,12,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:30px;
  height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-size:17px;
  font-weight:700;
  color:var(--tx-1);
  letter-spacing:.01em;
}
.logo:hover{color:var(--tx-1);}
.logo-mark{
  position:relative;
  width:20px;
  height:20px;
  border:2px solid var(--flame);
  border-radius:6px 2px 6px 2px;
  flex:0 0 auto;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:4px;
  background:var(--flame);
  border-radius:2px;
  opacity:.9;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  padding:6px 0;
  font-size:15px;
  color:var(--tx-2);
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  width:100%;
  height:2px;
  border-radius:2px;
  background:var(--flame);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--tx-1);}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--tx-2);
  cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--tx-1);border-color:var(--teal);background:rgba(255,255,255,.06);}
.icon-btn svg{width:17px;height:17px;display:block;}
.menu-toggle{
  display:none;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--tx-1);
  cursor:pointer;
  font-size:16px;
  line-height:1;
}
.menu-toggle:hover{border-color:var(--teal);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--flame);color:#0B0B0C;border-color:var(--flame);}
.btn-primary:hover{
  background:var(--flame-2);
  border-color:var(--flame-2);
  color:#0B0B0C;
  transform:translateY(-1px);
  box-shadow:0 10px 28px rgba(255,77,46,.28);
}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1);}
.btn-ghost:hover{
  background:rgba(255,255,255,.06);
  border-color:var(--teal);
  color:var(--tx-1);
  transform:translateY(-1px);
}
.btn:focus-visible,
.icon-btn:focus-visible,
.menu-toggle:focus-visible,
a:focus-visible,
summary:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
  border-radius:4px;
}
.link-teal{
  color:var(--teal);
  font-size:14px;
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:1px;
}
.link-teal:hover{color:#5fe6d6;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
}
.badge-teal{background:var(--teal-soft);color:var(--teal);}
.badge-flame{background:var(--flame);color:#0B0B0C;}

/* ---------- 面包屑 ---------- */
.article-head{
  padding:46px 0 36px;
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:1;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--tx-3);
  margin-bottom:26px;
}
.breadcrumb a{color:var(--tx-3);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{color:rgba(255,255,255,.18);}
.breadcrumb .current{color:var(--tx-1);}
.post-meta-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:18px;
}
.post-dot{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13.5px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}
.post-dot::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--amber);
  flex:0 0 auto;
}
.post-read{
  font-size:13.5px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}
.article-head h1{
  font-size:clamp(26px,3.1vw,36px);
  line-height:1.28;
  max-width:920px;
  margin-bottom:16px;
}
.article-lead{
  max-width:820px;
  font-size:16px;
  line-height:1.8;
  color:var(--tx-2);
  margin:0;
}

/* ---------- 正文布局 ---------- */
.article-main{
  padding:52px 0 8px;
  position:relative;
  z-index:1;
}
.article-layout{
  display:block;
}
.article-body{
  max-width:800px;
  font-size:17px;
  line-height:1.85;
  color:var(--tx-2);
  word-break:break-word;
}
.article-body h2{
  position:relative;
  margin:2.1em 0 .85em;
  padding-left:16px;
  font-size:24px;
  line-height:1.4;
  color:var(--tx-1);
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  width:3px;
  height:1.05em;
  border-radius:2px;
  background:var(--flame);
}
.article-body h3{
  margin:1.7em 0 .6em;
  font-size:19px;
  font-weight:600;
  color:var(--tx-1);
}
.article-body h4{
  margin:1.5em 0 .5em;
  font-size:17px;
  font-weight:600;
  color:var(--tx-1);
}
.article-body p{margin:0 0 1.4em;}
.article-body strong{color:var(--tx-1);font-weight:600;}
.article-body ul,
.article-body ol{
  padding-left:1.4em;
  margin:0 0 1.4em;
}
.article-body li{margin:.45em 0;line-height:1.8;}
.article-body li::marker{color:var(--teal);}
.article-body blockquote{
  margin:28px 0;
  padding:18px 22px;
  background:var(--ink-2);
  border-left:3px solid var(--teal);
  border-radius:0 var(--r-s) var(--r-s) 0;
  color:var(--tx-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  margin:28px 0 10px;
  border-radius:var(--r-m);
  border:1px solid var(--line);
}
.article-body figure{margin:28px 0;}
.article-body figure img{margin:0;}
.article-body figcaption{
  margin-top:10px;
  font-size:12.5px;
  color:var(--tx-3);
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:28px 0;
  font-size:15px;
  line-height:1.7;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{
  background:var(--ink-3);
  color:var(--tx-1);
  font-weight:600;
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
.article-body a{
  color:var(--teal);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:#5fe6d6;}
.article-body code{
  background:var(--ink-3);
  padding:2px 7px;
  border-radius:5px;
  font-size:.9em;
  color:var(--amber);
}
.article-body pre{
  margin:24px 0;
  padding:16px 18px;
  background:var(--ink-1);
  border:1px solid var(--line);
  border-radius:var(--r-s);
  overflow-x:auto;
}
.article-body pre code{background:none;padding:0;color:var(--tx-2);}
.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:36px 0;
}

/* ---------- 空态 ---------- */
.empty-state{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:48px 28px;
  text-align:center;
}
.empty-state h2{
  padding:0;
  margin:0 0 12px;
  font-size:22px;
}
.empty-state h2::before{display:none;}
.empty-state p{margin:0 0 22px;color:var(--tx-3);font-size:15px;}

/* ---------- 侧栏 ---------- */
.article-side{display:none;}
.side-card{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:20px;
  margin-bottom:16px;
}
.side-title{
  font-size:14px;
  font-weight:700;
  color:var(--tx-1);
  margin:0 0 14px;
  padding-left:10px;
  position:relative;
}
.side-title::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:14px;
  border-radius:2px;
  background:var(--flame);
}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li{margin:0;}
.side-links a{
  display:block;
  padding:9px 0;
  font-size:14px;
  color:var(--tx-2);
  border-bottom:1px solid var(--line);
  transition:color .2s ease,padding-left .2s ease;
}
.side-links li:last-child a{border-bottom:0;}
.side-links a:hover{color:var(--teal);padding-left:4px;}
.side-card-tip p{
  font-size:13.5px;
  line-height:1.8;
  color:var(--tx-3);
  margin:0 0 16px;
}

/* ---------- 结尾操作区 ---------- */
.article-end{
  max-width:800px;
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  font-size:13px;
  color:var(--tx-2);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--teal);color:var(--teal);}
.end-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

/* ---------- 通用板块头 ---------- */
.section{
  padding:64px 0;
  position:relative;
  z-index:1;
}
.section-alt{background:var(--ink-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  position:relative;
  padding-left:14px;
  font-size:26px;
  line-height:1.3;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--flame);
}
.section-sub{
  margin:10px 0 0;
  font-size:14.5px;
  color:var(--tx-3);
}

/* ---------- 相关推荐 ---------- */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.related-card{
  display:flex;
  flex-direction:column;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  overflow:hidden;
  position:relative;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.related-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,var(--flame),rgba(255,77,46,0));
  opacity:.85;
}
.related-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.18);
  box-shadow:var(--sh-2);
}
.related-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,var(--ink-3),var(--ink-2));
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .22s ease;
}
.related-card:hover .related-thumb img{transform:scale(1.04);}
.related-thumb .badge{
  position:absolute;
  top:12px;
  left:12px;
  backdrop-filter:blur(6px);
}
.related-content{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
}
.related-content h3{
  font-size:16px;
  line-height:1.5;
  color:var(--tx-1);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-content p{
  margin:0;
  font-size:13.5px;
  line-height:1.7;
  color:var(--tx-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card a.stretch{
  position:absolute;
  inset:0;
  z-index:3;
  font-size:0;
  color:transparent;
}

/* ---------- CTA ---------- */
.cta-section{padding:64px 0 72px;position:relative;z-index:1;}
.cta-band{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:44px 44px;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  overflow:hidden;
}
.cta-band::before,
.cta-band::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  height:8px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.10) 0 8px,transparent 8px 20px);
  pointer-events:none;
}
.cta-band::before{top:10px;}
.cta-band::after{bottom:10px;}
.cta-band h2{
  font-size:28px;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{
  margin:0;
  font-size:15px;
  color:var(--tx-3);
  max-width:560px;
}
.cta-band .btn{flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-1);
  border-top:1px solid var(--line);
  padding:56px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand p{
  margin:16px 0 0;
  font-size:13.5px;
  line-height:1.85;
  color:var(--tx-3);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--tx-1);
  margin:0 0 16px;
}
.footer-col a{
  display:block;
  font-size:13.5px;
  color:var(--tx-2);
  padding:6px 0;
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--teal);}
.footer-col p{
  font-size:13.5px;
  line-height:1.85;
  color:var(--tx-3);
  margin:0 0 12px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  text-align:center;
  font-size:12.5px;
  color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-links{
    position:fixed;
    top:56px;
    left:0;
    right:0;
    bottom:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    margin-right:0;
    padding:16px 20px 40px;
    background:rgba(8,9,12,.98);
    border-top:1px solid var(--line);
    transform:translateY(-10px);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    overflow-y:auto;
    z-index:180;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-links a{
    width:100%;
    padding:16px 2px;
    font-size:17px;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--flame);}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:56px;gap:16px;}
  .header-actions .btn-sm{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:56px 0;}
  .article-head{padding:36px 0 30px;}
  .article-main{padding:40px 0 8px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .section-head h2{font-size:22px;}
  .cta-band h2{font-size:22px;}
  .breadcrumb{font-size:13px;margin-bottom:20px;}
}
@media (max-width:520px){
  .article-head h1{font-size:24px;}
  .article-lead{font-size:15px;}
  .related-content{padding:16px;}
  .end-actions .btn{width:100%;}
  .cta-band{padding:30px 20px;}
  .section{padding:48px 0;}
}
@media (min-width:1280px){
  .article-layout{
    display:grid;
    grid-template-columns:minmax(0,800px) 260px;
    gap:48px;
    justify-content:center;
    align-items:start;
  }
  .article-side{display:block;position:sticky;top:92px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ink-0:#08090C;
  --ink-1:#0F1216;
  --ink-2:#171B21;
  --ink-3:#1F242C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --flame:#FF4D2E;
  --flame-2:#FF6B4D;
  --teal:#2AD8C4;
  --amber:#FFB33E;
  --tx-1:#F2F4F7;
  --tx-2:#A6AFBB;
  --tx-3:#6E7884;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--tx-2);
  background:var(--ink-0);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--tx-1);
  font-family:var(--font-sans);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
h1{font-size:36px;}
h2{font-size:28px;}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--teal);}
img{display:block;max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--alt{background:var(--ink-1);}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-title{
  position:relative;
  padding-left:14px;
  font-size:28px;
  color:var(--tx-1);
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--flame);
}
.section-sub{
  margin-top:10px;
  font-size:14px;
  color:var(--tx-3);
  max-width:640px;
}
.text-link{
  color:var(--teal);
  font-size:14.5px;
  border-bottom:1px solid rgba(42,216,196,.45);
  padding-bottom:2px;
  white-space:nowrap;
}
.text-link:hover{color:var(--tx-1);border-bottom-color:var(--tx-1);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(8,9,12,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:64px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:var(--tx-1);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--tx-1);}
.logo-mark{
  width:20px;
  height:20px;
  flex:0 0 auto;
  border:1px solid var(--flame);
  border-radius:6px 2px 6px 2px;
  background:linear-gradient(135deg,rgba(255,77,46,.85),rgba(255,77,46,.06));
}
.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:6px;
}
.nav-links a{
  position:relative;
  padding:6px 0;
  font-size:14.5px;
  color:var(--tx-2);
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a.is-active{color:var(--tx-1);font-weight:600;}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--flame);
}
.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--tx-2);
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.06);color:var(--tx-1);border-color:var(--teal);}
.icon-btn svg{width:18px;height:18px;display:block;}
.burger{display:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{
  background:var(--flame);
  color:#0B0B0C;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{
  background:var(--flame-2);
  color:#0B0B0C;
  transform:translateY(-1px);
  box-shadow:0 10px 28px rgba(255,77,46,.28);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--tx-1);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.06);
  border-color:var(--teal);
  color:var(--tx-1);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,
.icon-btn:focus-visible,
a:focus-visible,
summary:focus-visible,
input:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:2px;
}
.search-pop{
  position:absolute;
  top:calc(100% + 8px);
  right:24px;
  width:320px;
  padding:16px;
  background:var(--ink-2);
  border:1px solid var(--line-strong);
  border-radius:var(--r-m);
  box-shadow:var(--sh-2);
  display:none;
}
.search-pop.is-open{display:block;}
.search-form{display:flex;gap:8px;}
.search-form input{
  flex:1 1 auto;
  height:44px;
  padding:0 14px;
  font-size:14px;
  color:var(--tx-1);
  background:var(--ink-1);
  border:1px solid var(--line-strong);
  border-radius:var(--r-s);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--tx-3);}
.search-form input:focus{
  outline:none;
  border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(42,216,196,.15);
}
.search-hint{
  margin:10px 0 0;
  font-size:12.5px;
  color:var(--tx-3);
}
.mobile-drawer{
  display:none;
  position:fixed;
  left:0;right:0;
  top:56px;
  bottom:0;
  z-index:59;
  padding:24px 20px 40px;
  background:var(--ink-0);
  border-top:1px solid var(--line);
  overflow-y:auto;
  flex-direction:column;
  gap:8px;
}
.mobile-drawer.is-open{display:flex;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer-nav a{
  padding:14px 4px;
  font-size:16px;
  color:var(--tx-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--flame);font-weight:600;}
.drawer-note{font-size:13px;color:var(--tx-3);margin-top:18px;line-height:1.7;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:calc(64px + 48px) 0 60px;
  background-color:var(--ink-1);
  background-image:
    linear-gradient(90deg,rgba(8,9,12,.96),rgba(8,9,12,.72) 46%,rgba(8,9,12,.32)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--tx-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--tx-3);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--tx-1);}
.page-hero h1{font-size:38px;max-width:15em;}
.page-hero .lede{
  margin-top:18px;
  max-width:640px;
  font-size:16.5px;
  color:var(--tx-2);
  line-height:1.8;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.hero-stats li{min-width:104px;}
.hero-stats .num{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--tx-1);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-stats .num em{font-style:normal;color:var(--teal);font-size:14px;margin-left:2px;}
.hero-stats .label{font-size:13px;color:var(--tx-3);}
.hero-media{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  max-height:340px;
}
.hero-media img{
  width:100%;
  height:340px;
  object-fit:cover;
  display:block;
}
.hero-media .media-tag{
  position:absolute;
  left:16px;
  top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  color:#0B0B0C;
  background:var(--flame);
}
.hero-media figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:16px 18px;
  font-size:13px;
  color:var(--tx-2);
  background:linear-gradient(180deg,rgba(8,9,12,0),rgba(8,9,12,.9));
}
.rule{height:1px;background:var(--line);margin:0;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:6px;
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  letter-spacing:0;
}
.badge-teal{background:rgba(42,216,196,.12);color:var(--teal);}
.badge-flame{background:var(--flame);color:#0B0B0C;}
.badge-line{border:1px solid var(--line-strong);color:var(--tx-2);}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  font-size:12.5px;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
}
.meta-dot::before{
  content:"";
  display:inline-block;
  width:5px;height:5px;
  margin-right:6px;
  border-radius:50%;
  background:var(--amber);
  vertical-align:middle;
}

/* ---------- 主次混排 ---------- */
.layout-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:24px;
}
.feature-main{
  position:relative;
  display:block;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ink-2);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.feature-main:hover{
  transform:translateY(-4px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(255,77,46,.18);
}
.feature-main .thumb{
  position:relative;
  overflow:hidden;
}
.feature-main img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .22s ease;
}
.feature-main:hover img{transform:scale(1.04);}
.feature-main .thumb .badge{
  position:absolute;
  left:16px;top:16px;
}
.feature-main .body{
  padding:22px 24px 26px;
  position:relative;
}
.feature-main .body::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,var(--flame),transparent);
}
.feature-main h3{font-size:22px;margin-bottom:10px;}
.feature-main p{font-size:15px;color:var(--tx-2);margin-bottom:16px;}

.mini-list{display:flex;flex-direction:column;gap:16px;margin-top:16px;}
.mini-row{
  display:flex;
  gap:16px;
  padding:14px;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.mini-row:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(255,77,46,.14);
}
.mini-row img{
  width:96px;
  height:96px;
  flex:0 0 auto;
  object-fit:cover;
  border-radius:var(--r-s);
}
.mini-row .mini-body{min-width:0;}
.mini-row h4{
  font-size:16.5px;
  margin:6px 0 6px;
  display:-webkit-box;
  -webkit-line-clamp:1;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-row .mini-body p{
  font-size:14px;
  color:var(--tx-2);
  margin:0 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ---------- 侧栏 ---------- */
.side-card{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:20px;
  margin-bottom:16px;
}
.side-card h3{
  font-size:16px;
  margin-bottom:16px;
  padding-left:12px;
  position:relative;
}
.side-card h3::before{
  content:"";
  position:absolute;
  left:0;top:5px;
  width:3px;height:14px;
  border-radius:2px;
  background:var(--flame);
}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  font-size:13.5px;
  color:var(--tx-2);
  background:transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{color:var(--tx-1);border-color:var(--teal);}
.chip.is-active{
  background:var(--flame);
  border-color:var(--flame);
  color:#0B0B0C;
  font-weight:600;
}
.rank-list{display:flex;flex-direction:column;gap:2px;}
.rank-list li{border-bottom:1px solid var(--line);}
.rank-list li:last-child{border-bottom:0;}
.rank-list a{
  display:flex;
  gap:12px;
  align-items:baseline;
  padding:12px 0;
  font-size:14.5px;
  color:var(--tx-2);
  line-height:1.6;
}
.rank-list a:hover{color:var(--tx-1);}
.rank-list .idx{
  flex:0 0 auto;
  font-size:16px;
  font-weight:700;
  color:var(--tx-3);
  font-variant-numeric:tabular-nums;
  min-width:26px;
}
.rank-list li:first-child .idx{color:var(--amber);}
.side-cta{
  background:linear-gradient(160deg,rgba(255,77,46,.16),rgba(23,27,33,1) 70%);
  border-color:rgba(255,77,46,.28);
}
.side-cta p{font-size:14px;color:var(--tx-2);margin-bottom:16px;}
.side-cta .btn{height:42px;}

/* ---------- 流程步骤 ---------- */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.step-card{
  position:relative;
  padding:22px 20px 24px;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  transition:transform .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18);}
.step-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,var(--flame),transparent);
}
.step-card .no{
  display:block;
  font-size:26px;
  font-weight:700;
  color:rgba(255,255,255,.14);
  font-variant-numeric:tabular-nums;
  line-height:1;
  margin-bottom:14px;
}
.step-card h3{font-size:16.5px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--tx-2);margin:0;}

/* ---------- 数据带 ---------- */
.stat-band{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.stat-item{
  padding:26px 24px;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
}
.stat-item .num{
  display:block;
  font-size:32px;
  font-weight:700;
  color:var(--tx-1);
  font-variant-numeric:tabular-nums;
  line-height:1.15;
  margin-bottom:8px;
}
.stat-item .num span{font-size:15px;color:var(--teal);margin-left:4px;font-weight:600;}
.stat-item h3{font-size:15px;margin-bottom:6px;}
.stat-item p{font-size:13.5px;color:var(--tx-3);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-s);
  overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item[open]{border-color:rgba(255,255,255,.18);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--tx-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:20px;
  line-height:1;
  color:var(--teal);
  transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .answer{
  padding:0 20px 20px;
  font-size:14.5px;
  color:var(--tx-2);
  line-height:1.8;
}
.faq-side{
  padding:24px;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  height:100%;
}
.faq-side h3{font-size:18px;margin-bottom:12px;}
.faq-side p{font-size:14px;color:var(--tx-2);margin-bottom:18px;}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;
  overflow:hidden;
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  padding:52px 40px;
}
.cta-banner::before,
.cta-banner::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:8px;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 8px,transparent 8px 18px);
}
.cta-banner::before{top:0;}
.cta-banner::after{bottom:0;}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-banner h2{font-size:28px;margin-bottom:10px;}
.cta-banner p{font-size:15px;color:var(--tx-2);margin:0;max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  font-size:13.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--tx-2);font-size:13.5px;line-height:1.8;max-width:320px;}
.footer-col h4{
  font-size:14.5px;
  color:var(--tx-1);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  padding:6px 0;
  color:var(--tx-2);
  font-size:13.5px;
}
.footer-col a:hover{color:var(--teal);}
.footer-col p{font-size:13px;color:var(--tx-3);line-height:1.8;margin-bottom:10px;}
.footer-bottom{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid var(--line);
  text-align:center;
  font-size:12.5px;
  color:var(--tx-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .cta-banner h2{font-size:25px;}
}
@media (max-width:1024px){
  .container{padding:0 20px;}
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .header-inner{height:56px;gap:12px;}
  .mobile-drawer{top:56px;}
  .page-hero{padding:calc(56px + 32px) 0 44px;}
  .page-hero h1{font-size:30px;}
  .section{padding:64px 0;}
  .section--tight{padding:44px 0;}
  .section-title{font-size:23px;}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-media img{height:280px;}
  .hero-media{max-height:280px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-banner{padding:44px 28px;}
}
@media (max-width:768px){
  h1{font-size:26px;}
  h2{font-size:22px;}
  .page-hero h1{font-size:26px;}
  .hero-stats{gap:24px;}
  .hero-stats .num{font-size:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .feature-main h3{font-size:19px;}
  .mini-row img{width:80px;height:80px;}
  .mini-row h4{font-size:15.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .search-pop{right:16px;left:16px;width:auto;}
  .banner-cta .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .step-grid{grid-template-columns:1fr;}
  .btn{height:42px;padding:0 18px;font-size:14px;}
  .header-actions .search-toggle{display:none;}
  .logo{font-size:15px;}
  .page-hero{padding:calc(56px + 24px) 0 36px;}
  .page-hero .lede{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .mini-row{flex-direction:column;}
  .mini-row img{width:100%;height:150px;}
  .cta-banner{padding:36px 20px;}
  .cta-banner h2{font-size:21px;}
  .footer-bottom{font-size:12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .feature-main:hover,.mini-row:hover,.step-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --ink-0:#08090C;
  --ink-1:#0F1216;
  --ink-2:#171B21;
  --ink-3:#1F242C;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --flame:#FF4D2E;
  --flame-2:#FF6B4D;
  --teal:#2AD8C4;
  --amber:#FFB33E;
  --tx-1:#F2F4F7;
  --tx-2:#A6AFBB;
  --tx-3:#6E7884;
  --r-s:8px;
  --r-m:14px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.45);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--ink-0);
  color:var(--tx-1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
h1,h2,h3,h4{margin:0;color:var(--tx-1);line-height:1.25;letter-spacing:-.01em;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--teal);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--flame-2);}
button{font-family:inherit;}
::selection{background:rgba(255,77,46,.35);color:#fff;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-alt{background:var(--ink-1);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:28px;display:flex;align-items:center;gap:12px;}
.section-head h2::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--flame);display:inline-block;}
.section-head p{margin:8px 0 0;color:var(--tx-2);font-size:14.5px;}
.text-right{text-align:right;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(8,9,12,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:64px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--tx-1);
  letter-spacing:-.01em;white-space:nowrap;flex:0 0 auto;
}
.logo:hover{color:var(--tx-1);}
.logo-mark{
  width:20px;height:20px;border-radius:5px;position:relative;
  background:linear-gradient(135deg,var(--flame),#B33018);
  box-shadow:0 0 0 1px rgba(255,77,46,.45),0 6px 16px rgba(255,77,46,.22);
}
.logo-mark::after{
  content:"";position:absolute;inset:5px;border-radius:2px;
  background:var(--ink-0);opacity:.9;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px;}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--tx-2);
  padding:6px 0;white-space:nowrap;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--flame);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--tx-1);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--tx-1);}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line-strong);border-radius:var(--r-s);
  color:var(--tx-2);cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{color:var(--tx-1);border-color:var(--teal);background:rgba(255,255,255,.06);}
.icon-btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.menu-toggle{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--flame);color:#0B0B0C;}
.btn-primary:hover{background:var(--flame-2);color:#0B0B0C;transform:translateY(-1px);box-shadow:0 10px 28px rgba(255,77,46,.18);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--tx-1);}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--teal);color:var(--tx-1);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}
.btn-block{width:100%;}

.search-panel{display:none;border-top:1px solid var(--line);background:var(--ink-1);padding:14px 0;}
.search-panel.is-open{display:block;}
.search-form{display:flex;gap:10px;max-width:440px;}
.search-form input{
  flex:1;height:44px;padding:0 14px;border-radius:var(--r-s);
  background:var(--ink-0);border:1px solid var(--line-strong);
  color:var(--tx-1);font-family:inherit;font-size:14.5px;
}
.search-form input::placeholder{color:var(--tx-3);}
.search-form input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(42,216,196,.15);}

.mobile-drawer{
  position:fixed;top:56px;left:0;right:0;bottom:0;z-index:55;
  background:rgba(8,9,12,.98);padding:24px 20px 40px;
  display:none;flex-direction:column;gap:4px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  padding:14px 0;font-size:16px;color:var(--tx-2);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--flame);}
.mobile-drawer .btn{margin-top:20px;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;padding:52px 0 60px;
  background:
    radial-gradient(1100px 460px at 84% -12%,rgba(255,77,46,.16),transparent 62%),
    radial-gradient(700px 380px at 4% 110%,rgba(42,216,196,.08),transparent 60%),
    var(--ink-0);
  overflow:hidden;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--tx-3);margin-bottom:26px;
}
.breadcrumb a{color:var(--tx-2);}
.breadcrumb a:hover{color:var(--teal);}
.breadcrumb span.current{color:var(--tx-1);}
.breadcrumb .sep{color:var(--tx-3);}
.hero-grid{margin-bottom:0;}
.page-hero h1{
  font-size:clamp(28px,3.4vw,40px);
  margin:16px 0 18px;
  max-width:15em;
}
.hero-sub{font-size:17px;color:var(--tx-2);max-width:34em;margin-bottom:28px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px;}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px;}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats .num{font-size:24px;font-weight:700;color:var(--tx-1);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stats .num em{font-style:normal;color:var(--teal);font-size:15px;margin-left:2px;}
.hero-stats .lab{font-size:13.5px;color:var(--tx-3);}
.hero-figure{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);margin:0;
  aspect-ratio:4/3;background:linear-gradient(160deg,var(--ink-2),var(--ink-3));
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,9,12,0) 42%,rgba(8,9,12,.72));
}
.hero-figure figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:12.5px;color:var(--tx-2);
}
.divider-line{height:1px;background:var(--line);margin:0;border:0;}

/* ---------- notice ---------- */
.notice-bar{
  background:var(--ink-1);border-bottom:1px solid var(--line);
}
.notice-inner{
  display:flex;align-items:center;gap:12px;padding:14px 0;
  font-size:13.5px;color:var(--tx-2);
}
.notice-inner .pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:6px;
  background:rgba(255,179,62,.12);color:var(--amber);
  font-size:12.5px;font-weight:600;
}

/* ---------- chips ---------- */
.filter-bar{padding:20px 0;border-bottom:1px solid var(--line);background:var(--ink-0);}
.chips{
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
  -ms-overflow-style:none;padding-bottom:2px;
}
.chips::-webkit-scrollbar{height:0;display:none;}
.chip{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);background:transparent;
  color:var(--tx-2);font-size:13.5px;cursor:pointer;
  display:inline-flex;align-items:center;
  transition:all .18s ease;
}
.chip:hover{color:var(--tx-1);border-color:var(--teal);}
.chip.is-active{background:var(--flame);border-color:var(--flame);color:#0B0B0C;font-weight:600;}

/* ---------- cards ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:6px;font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-teal{background:rgba(42,216,196,.12);color:var(--teal);}
.badge-flame{background:var(--flame);color:#0B0B0C;}
.badge-soft{background:rgba(255,255,255,.06);color:var(--tx-2);}

.masonry{column-count:2;column-gap:24px;}
.q-card{
  position:relative;display:block;break-inside:avoid;
  margin-bottom:24px;background:var(--ink-2);color:inherit;
  border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.q-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--flame),rgba(255,77,46,0));
  opacity:.85;
}
.q-card:hover{
  transform:translateY(-4px);border-color:rgba(255,255,255,.18);
  box-shadow:var(--sh-2);color:inherit;
}
.thumb{position:relative;overflow:hidden;background:var(--ink-3);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.q-card:hover .thumb img{transform:scale(1.04);}
.ratio-169{aspect-ratio:16/9;}
.ratio-43{aspect-ratio:4/3;}
.card-body{padding:20px;}
.card-body h3{font-size:17px;line-height:1.45;margin-bottom:10px;}
.card-body p{
  font-size:14px;color:var(--tx-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--tx-3);font-variant-numeric:tabular-nums;}
.meta .dot{width:5px;height:5px;border-radius:50%;background:var(--amber);display:inline-block;flex:0 0 auto;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;}

.load-more{
  display:flex;justify-content:center;margin-top:16px;
}
.load-more .btn{min-width:200px;}

/* ---------- steps ---------- */
.step-card{
  height:100%;background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r-m);padding:24px 20px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{border-color:rgba(255,255,255,.18);transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  font-size:34px;font-weight:700;line-height:1;color:var(--ink-3);
  -webkit-text-stroke:1px rgba(42,216,196,.5);
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.step-card:nth-child(1) .step-num,
.grid-x > .cell:nth-child(1) .step-num{color:rgba(255,179,62,.18);-webkit-text-stroke:1px rgba(255,179,62,.55);}
.step-card h3{font-size:16.5px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--tx-2);}

/* ---------- checklist ---------- */
.checklist{display:grid;gap:14px;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r-s);padding:16px 18px;
  font-size:14.5px;color:var(--tx-2);
}
.checklist li strong{color:var(--tx-1);font-weight:600;}
.checklist li::before{
  content:"";flex:0 0 auto;width:16px;height:16px;margin-top:4px;border-radius:4px;
  background:rgba(42,216,196,.14);
  box-shadow:inset 0 0 0 1px rgba(42,216,196,.45);
  background-image:linear-gradient(45deg,transparent 44%,var(--teal) 44%,var(--teal) 56%,transparent 56%),
                   linear-gradient(-45deg,transparent 44%,var(--teal) 44%,var(--teal) 56%,transparent 56%);
  background-size:8px 8px,8px 8px;
  background-position:center 3px,center 3px;
  background-repeat:no-repeat;
}
.side-card{
  background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r-m);padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--tx-2);margin-bottom:18px;}
.side-card .mini-list{display:grid;gap:12px;margin-bottom:20px;}
.side-card .mini-list a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--tx-2);
}
.side-card .mini-list a:hover{color:var(--teal);}
.side-card .mini-list a .n{
  flex:0 0 auto;width:22px;height:22px;border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--teal);background:rgba(42,216,196,.12);
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--r-s);padding:18px 20px;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,255,255,.18);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;
  justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--tx-1);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;color:var(--teal);font-size:20px;
  line-height:1;font-weight:400;transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding-top:12px;font-size:14.5px;color:var(--tx-2);}
.faq-body p{margin-bottom:.6em;}

/* ---------- cta ---------- */
.cta-wrap{padding:64px 0 88px;}
.cta-banner{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--ink-2),var(--ink-1));
  border:1px solid var(--line);border-radius:var(--r-l);
  padding:48px 40px;
}
.cta-banner::before,.cta-banner::after{
  content:"";position:absolute;left:0;right:0;height:10px;
  background:repeating-linear-gradient(90deg,transparent 0 10px,rgba(255,255,255,.09) 10px 20px);
}
.cta-banner::before{top:0;}
.cta-banner::after{bottom:0;}
.cta-banner h2{font-size:28px;margin-bottom:12px;}
.cta-banner p{color:var(--tx-2);font-size:15px;margin:0;max-width:36em;}
.cta-note{margin-top:16px;font-size:12.5px;color:var(--tx-3);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-1);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--tx-2);max-width:30em;}
.footer-col h4{font-size:13.5px;color:var(--tx-1);margin-bottom:14px;font-weight:600;letter-spacing:.02em;}
.footer-col a{display:block;font-size:13.5px;color:var(--tx-2);padding:5px 0;}
.footer-col a:hover{color:var(--teal);}
.footer-col p{font-size:13.5px;color:var(--tx-2);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0;text-align:center;
  font-size:12.5px;color:var(--tx-3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-inner{height:56px;gap:14px;}
  .page-hero{padding:40px 0 48px;}
  .hero-figure{aspect-ratio:16/9;max-height:320px;margin-top:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-banner{padding:40px 28px;}
}
@media (max-width:768px){
  .masonry{column-count:1;}
  .section-head h2{font-size:22px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{gap:24px;}
  .hero-stats .num{font-size:20px;}
  .cta-banner h2{font-size:22px;}
  .text-right{text-align:left;}
  .cta-banner .btn{margin-top:24px;width:100%;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:24px;}
  .header-actions .btn-primary{display:none;}
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .card-body{padding:16px;}
  .q-card{margin-bottom:16px;}
  .masonry{column-gap:16px;}
  .cta-wrap{padding:40px 0 56px;}
  .cta-banner{padding:36px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}