/* roulang page: index */
:root{
  --ink:#151815;
  --ink-2:#1F2420;
  --paper:#F5F6F1;
  --surface:#FFFFFF;
  --surface-2:#ECEFE6;
  --line:#D8DDD2;
  --muted:#626A60;
  --accent:#C7F24B;
  --accent-strong:#9FD51F;
  --accent-2:#FF7A45;
  --accent-3:#2E7D5B;
  --focus:#8FBF1F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow:0 14px 34px rgba(21,24,21,.08);
  --shadow-hover:0 20px 44px rgba(21,24,21,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:14px;object-fit:cover;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-3);}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.tab-num{font-variant-numeric:tabular-nums;}

/* 顶部活动条 */
.topbar{
  background:var(--ink);
  color:#E9EFE1;
  font-size:13px;
  letter-spacing:.2px;
}
.topbar .container{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:38px;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(199,242,75,.18);flex:none;}
.topbar-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-clock{
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  font-weight:700;
  flex:none;
}
.topbar-close{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;place-items:center;
  color:#B9C3B3;
  transition:background .2s ease,color .2s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* 导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(245,246,241,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.logo{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.4px;
  font-size:18px;
  flex:none;
}
.logo:hover{color:var(--ink);}
.logo-main{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.logo-sub{
  font-size:11px;
  font-weight:600;
  letter-spacing:.4px;
  color:var(--muted);
  margin-top:3px;
}
.logo-badge{
  font-size:11px;
  font-weight:700;
  color:var(--ink);
  background:var(--accent);
  border-radius:999px;
  padding:2px 9px;
  letter-spacing:0;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:wrap;
}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  padding:9px 12px;
  border-radius:999px;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--surface-2);color:var(--ink);}
.nav-links a.is-active{color:var(--ink);}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--accent-strong);
}
.nav-links a.is-active::before{
  content:"";
  position:absolute;
  left:50%;transform:translateX(-50%);
  bottom:-5px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent-strong);
}
.nav-cta{
  flex:none;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:999px;
  background:var(--ink);
  color:var(--accent);
  font-weight:700;
  font-size:14.5px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  box-shadow:0 8px 20px rgba(21,24,21,.16);
}
.nav-cta:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 26px rgba(21,24,21,.22);}
.nav-cta:active{transform:scale(.98);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--surface);
  align-items:center;
  justify-content:center;
  flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--paper);
  display:flex;
  flex-direction:column;
  padding:22px 24px 32px;
  transform:translateY(-102%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:20px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{font-size:18px;font-weight:700;padding:13px 4px;border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--accent-3);}
.drawer .nav-cta{width:100%;justify-content:center;padding:15px 20px;font-size:16px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 10px 24px rgba(159,213,31,.28);}
.btn-primary:hover{background:var(--accent-strong);color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 30px rgba(159,213,31,.34);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#F2F5EC;transform:translateY(-2px);}
.btn-light{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-light:hover{border-color:var(--accent-strong);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-dark{background:var(--ink);color:var(--accent);}
.btn-dark:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:7px;
  font-weight:700;font-size:14.5px;
  color:var(--ink);
  border-bottom:2px solid var(--accent-strong);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--accent-3);border-color:var(--accent-3);}

/* 徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  padding:5px 12px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--ink-2);
  white-space:nowrap;
}
.badge-accent{background:var(--accent);color:var(--ink);}
.badge-orange{background:rgba(255,122,69,.14);color:#C4501F;}
.badge-green{background:rgba(46,125,91,.13);color:var(--accent-3);}
.badge-dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:none;}

/* Hero */
.hero{
  position:relative;
  background:var(--ink) url('/assets/images/33738627a0206595.webp') center/cover no-repeat;
  color:#F2F5EC;
  overflow:hidden;
  padding:76px 0 0;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(21,24,21,.94) 0%,rgba(21,24,21,.86) 46%,rgba(21,24,21,.66) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr .85fr;
  gap:48px;
  align-items:start;
}
.hero-eyebrow{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:22px;}
.hero-eyebrow .badge{background:rgba(255,255,255,.1);color:#E6EEDC;}
.hero-eyebrow .badge-accent{background:var(--accent);color:var(--ink);}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.14;
  letter-spacing:-1px;
  font-weight:800;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-lead{
  font-size:16.5px;
  line-height:1.9;
  color:#CBD4C3;
  max-width:620px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-countdown{
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:12px 18px;
  border:1px dashed rgba(199,242,75,.45);
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.05);
  font-size:13.5px;
  color:#DCE5D3;
}
.hero-countdown strong{
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  font-size:19px;
  letter-spacing:1px;
  font-weight:800;
}
.hero-card{
  background:var(--surface);
  color:var(--ink);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:0 26px 60px rgba(0,0,0,.34);
}
.hero-card-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.app-icon{
  width:52px;height:52px;flex:none;
  border-radius:15px;
  background:var(--accent);
  display:grid;place-items:center;
  color:var(--ink);
  font-weight:800;
  font-size:12px;
  text-align:center;
  line-height:1.1;
  letter-spacing:-.5px;
}
.hero-card-head h2{font-size:17px;font-weight:800;letter-spacing:-.3px;}
.hero-card-head p{font-size:12.5px;color:var(--muted);line-height:1.5;}
.hero-dl{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
.dl-btn{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:13px 16px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--surface-2);
  font-weight:700;
  font-size:14.5px;
  transition:border-color .2s ease,background .2s ease,transform .18s ease,box-shadow .2s ease;
}
.dl-btn:hover{border-color:var(--accent-strong);background:#F7FAEF;transform:translateX(3px);box-shadow:var(--shadow);color:var(--ink);}
.dl-btn span:last-child{font-size:12px;font-weight:600;color:var(--muted);}
.hero-card-foot{
  display:flex;align-items:center;gap:9px;
  font-size:12.5px;color:var(--muted);
  padding-top:14px;border-top:1px solid var(--line);
}
.status-light{width:8px;height:8px;border-radius:50%;background:var(--accent-strong);box-shadow:0 0 0 4px rgba(159,213,31,.18);flex:none;}

/* 指标看板 */
.stats{
  position:relative;
  z-index:2;
  margin-top:56px;
  background:var(--surface);
  border-top:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:28px 26px 30px;
  border-right:1px solid var(--line);
  border-top:3px solid var(--accent);
  background:var(--surface);
  transition:background .2s ease;
}
.stat:last-child{border-right:none;}
.stat:hover{background:#FAFBF6;}
.stat-num{
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  color:var(--ink);
}
.stat-num small{font-size:14px;font-weight:700;margin-left:3px;color:var(--accent-3);}
.stat-label{font-size:14px;font-weight:700;margin-top:8px;}
.stat-note{font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:4px;}

/* 通用 section */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-surface{background:var(--surface);}
.section-alt{background:var(--surface-2);}
.section-ink{background:var(--ink);color:#EDF2E6;}
.section-ink .sec-head p{color:#B7C1AE;}
.section-ink h2{color:#F2F5EC;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head .badge{margin-bottom:14px;}
.sec-head h2{
  font-size:clamp(26px,3vw,38px);
  line-height:1.25;
  letter-spacing:-.8px;
  font-weight:800;
  margin-bottom:14px;
}
.sec-head p{font-size:15.5px;color:var(--muted);line-height:1.9;}
.sec-head-split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  max-width:none;
  margin-bottom:40px;
}
.sec-head-split .sec-head-text{max-width:720px;}

/* Bento 服务矩阵 */
.bento{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:22px;
}
.bento-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  position:relative;
  overflow:hidden;
}
.bento-card:hover{transform:translateY(-4px);border-color:var(--accent-strong);box-shadow:var(--shadow-hover);}
.bento-card:active{transform:translateY(-1px);}
.bento-wide{grid-column:span 6;min-height:230px;}
.bento-small{grid-column:span 3;min-height:210px;}
.bento-num{
  font-size:12px;font-weight:800;letter-spacing:1.5px;
  color:var(--muted);font-variant-numeric:tabular-nums;
}
.bento-card h3{font-size:20px;font-weight:800;letter-spacing:-.4px;line-height:1.35;}
.bento-wide h3{font-size:23px;}
.bento-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.bento-card .link-more{margin-top:auto;}
.bento-icon{
  width:44px;height:44px;border-radius:13px;
  background:var(--surface-2);
  display:grid;place-items:center;
  color:var(--ink);
}
.bento-wide .bento-icon{background:rgba(199,242,75,.35);}
.bento-card.is-dark{background:var(--ink);border-color:var(--ink);color:#EDF2E6;}
.bento-card.is-dark p{color:#B7C1AE;}
.bento-card.is-dark .bento-num{color:var(--accent);}
.bento-card.is-dark .bento-icon{background:rgba(255,255,255,.1);color:var(--accent);}
.bento-card.is-dark .link-more{color:var(--accent);border-color:var(--accent);}

/* 分类入口 */
.channel-strip{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr;
  gap:20px;
}
.channel-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.channel-card h3{font-size:18px;font-weight:800;letter-spacing:-.3px;}
.channel-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.channel-card .badge{align-self:flex-start;}
.channel-card.is-feature{background:var(--ink);color:#F2F5EC;border-color:var(--ink);}
.channel-card.is-feature p{color:#B7C1AE;}
.channel-card.is-feature:hover{color:#F2F5EC;}

/* 场景矩阵 */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.scene-media{aspect-ratio:16/10;overflow:hidden;border-radius:0;}
.scene-media img{width:100%;height:100%;transition:transform .5s ease;border-radius:0;}
.scene-card:hover .scene-media img{transform:scale(1.05);}
.scene-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:18px;font-weight:800;letter-spacing:-.3px;}
.scene-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.scene-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.scene-meta .badge{font-size:12px;}

/* 对比 */
.compare-wrap{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  align-items:stretch;
}
.compare-col{
  border-radius:var(--radius-lg);
  padding:30px;
  border:1px solid var(--line);
  background:var(--surface);
}
.compare-col.bad{background:#F3F2ED;border-color:#DEDCD3;}
.compare-col.good{background:var(--surface);border-color:var(--accent-strong);box-shadow:var(--shadow);}
.compare-col h3{font-size:19px;font-weight:800;margin-bottom:6px;letter-spacing:-.3px;}
.compare-col .compare-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.compare-row{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  line-height:1.7;
}
.compare-row:last-child{border-bottom:none;padding-bottom:0;}
.compare-row i{
  flex:none;
  width:22px;height:22px;border-radius:50%;
  display:grid;place-items:center;
  font-size:12px;font-style:normal;font-weight:800;
  margin-top:2px;
}
.compare-col.bad .compare-row i{background:rgba(255,122,69,.16);color:#C4501F;}
.compare-col.good .compare-row i{background:rgba(159,213,31,.28);color:#4C6B0A;}
.compare-vs{
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:64px;height:64px;
  border-radius:50%;
  background:var(--ink);
  color:var(--accent);
  display:grid;place-items:center;
  font-weight:800;
  font-size:15px;
  letter-spacing:.5px;
  border:5px solid var(--paper);
  z-index:3;
}

/* 城市覆盖 */
.city-wrap{
  display:grid;
  grid-template-columns:1.5fr 1fr;
  gap:26px;
  align-items:start;
}
.city-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px;
}
.city-group{margin-bottom:22px;}
.city-group:last-child{margin-bottom:0;}
.city-group h3{
  font-size:13.5px;font-weight:800;letter-spacing:.6px;
  color:var(--muted);text-transform:uppercase;
  margin-bottom:12px;
}
.city-tags{display:flex;flex-wrap:wrap;gap:9px;}
.city-tag{
  font-size:14px;
  padding:7px 14px;
  border-radius:999px;
  background:var(--surface-2);
  border:1px solid var(--line);
  transition:background .2s ease,border-color .2s ease,transform .18s ease;
}
.city-tag:hover{background:rgba(199,242,75,.4);border-color:var(--accent-strong);transform:translateY(-2px);}
.city-note{font-size:12.5px;color:var(--muted);margin-top:18px;line-height:1.7;}
.status-panel{
  background:var(--ink);
  color:#EDF2E6;
  border-radius:var(--radius-lg);
  padding:30px;
  border:1px solid var(--ink-2);
}
.status-panel h3{font-size:19px;font-weight:800;margin-bottom:6px;letter-spacing:-.3px;}
.status-panel p{font-size:13.5px;color:#B7C1AE;line-height:1.8;}
.status-line{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
  font-size:14px;
}
.status-line:last-of-type{border-bottom:none;}
.status-line span:last-child{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}
.scale-bar{
  display:grid;
  grid-template-columns:repeat(24,1fr);
  gap:3px;
  margin:18px 0 12px;
}
.scale-bar i{
  height:8px;border-radius:2px;background:rgba(255,255,255,.14);display:block;
}
.scale-bar i.on{background:var(--accent);}

/* 里程碑 */
.timeline{
  display:flex;
  gap:22px;
  overflow-x:auto;
  padding:8px 4px 22px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.timeline::-webkit-scrollbar{height:6px;}
.timeline::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px;}
.tl-item{
  flex:0 0 268px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.tl-year{
  display:inline-block;
  font-size:12.5px;font-weight:800;
  padding:4px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-2);
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:17px;font-weight:800;margin-bottom:8px;letter-spacing:-.3px;}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.tl-dot{width:9px;height:9px;border-radius:50%;background:var(--accent-strong);margin-top:14px;}

/* 资讯 */
.news-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:26px;
  align-items:start;
}
.news-lead{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.news-lead-media{display:block;aspect-ratio:16/9;overflow:hidden;}
.news-lead-media img{width:100%;height:100%;border-radius:0;transition:transform .5s ease;}
.news-lead:hover .news-lead-media img{transform:scale(1.04);}
.news-lead-body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.news-lead-body h3{font-size:20px;font-weight:800;line-height:1.4;letter-spacing:-.3px;}
.news-lead-body h3 a:hover{color:var(--accent-3);}
.news-lead-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.news-meta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-list{display:flex;flex-direction:column;gap:2px;}
.news-list li{
  display:flex;
  gap:16px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-list li:hover{border-color:var(--accent-strong);transform:translateX(3px);box-shadow:var(--shadow);}
.news-date{
  flex:none;
  font-size:12.5px;
  font-weight:700;
  color:var(--accent-3);
  font-variant-numeric:tabular-nums;
  min-width:72px;
  padding-top:2px;
}
.news-text h3{font-size:15.5px;font-weight:800;line-height:1.5;margin-bottom:4px;}
.news-text h3 a:hover{color:var(--accent-3);}
.news-text p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:6px;}
.tag-line{
  display:inline-block;
  font-size:11.5px;
  padding:3px 10px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--ink-2);
  font-weight:700;
}
.empty-state{
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
  padding:44px 24px;
  text-align:center;
  color:var(--muted);
  font-size:15px;
}

/* 下载步骤 */
.download-panel{
  background:var(--ink);
  color:#F2F5EC;
  border-radius:var(--radius-lg);
  padding:40px;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:40px;
  align-items:center;
}
.download-panel h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.6px;margin-bottom:14px;}
.download-panel h2 em{font-style:normal;color:var(--accent);}
.download-panel p{font-size:14.5px;color:#B7C1AE;line-height:1.9;margin-bottom:20px;}
.dl-actions{display:flex;flex-direction:column;gap:11px;}
.dl-large{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  color:#F2F5EC;
  font-weight:700;
  font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .18s ease;
}
.dl-large:hover{background:rgba(199,242,75,.16);border-color:var(--accent);color:#F2F5EC;transform:translateX(4px);}
.dl-large span:last-child{font-size:12px;font-weight:600;color:#9AA694;}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:44px;
}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:24px;
  position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.step-num{
  width:34px;height:34px;border-radius:11px;
  background:var(--accent);color:var(--ink);
  display:grid;place-items:center;
  font-weight:800;font-size:14px;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px;line-height:1.45;}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.step::after{
  content:"";
  position:absolute;
  right:-16px;top:40px;
  width:22px;
  border-top:2px dashed var(--line);
  display:block;
}
.step:last-child::after{display:none;}
.compat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* 保障 */
.guarantee-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.guarantee-item{
  display:grid;
  grid-template-columns:88px 1fr auto;
  gap:24px;
  align-items:start;
  padding:28px 0;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.guarantee-item:hover{background:rgba(236,239,230,.5);}
.guarantee-num{
  font-size:34px;font-weight:800;line-height:1;
  color:var(--line);
  font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
}
.guarantee-item:hover .guarantee-num{color:var(--accent-strong);}
.guarantee-body h3{font-size:18px;font-weight:800;margin-bottom:7px;letter-spacing:-.3px;}
.guarantee-body p{font-size:14px;color:var(--muted);line-height:1.85;max-width:720px;}

/* 快速解答 */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.qa-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.qa-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(199,242,75,.4);
  display:grid;place-items:center;
  font-weight:800;color:var(--ink);
  margin-bottom:4px;
}
.qa-card h3{font-size:16.5px;font-weight:800;line-height:1.5;}
.qa-card p{font-size:14px;color:var(--muted);line-height:1.8;}
.qa-card .link-more{margin-top:auto;}

/* FAQ */
.faq-wrap{
  display:grid;
  grid-template-columns:.75fr 1.25fr;
  gap:48px;
  align-items:start;
}
.faq-side{position:sticky;top:110px;}
.faq-side h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.28;letter-spacing:-.8px;margin-bottom:14px;}
.faq-side p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:18px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:22px 4px;
  font-size:16px;
  font-weight:700;
  line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--accent-3);}
.faq-item.is-open .faq-q{color:var(--ink);}
.faq-sign{
  flex:none;
  width:28px;height:28px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  position:relative;
  transition:background .2s ease,border-color .2s ease,transform .25s ease;
}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-sign::before{width:11px;height:2px;}
.faq-sign::after{width:2px;height:11px;transition:transform .25s ease,opacity .25s ease;}
.faq-item.is-open .faq-sign{background:var(--accent);border-color:var(--accent);transform:rotate(180deg);}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .32s ease;
  background:transparent;
}
.faq-item.is-open .faq-a{background:var(--surface-2);border-radius:0 0 var(--radius-md) var(--radius-md);}
.faq-a-inner{padding:0 18px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;}
.faq-item.is-open .faq-a-inner{padding-top:16px;}

/* 表单 */
.form-wrap{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:30px;
  align-items:stretch;
}
.form-info{
  background:var(--ink);
  color:#F2F5EC;
  border-radius:var(--radius-lg);
  padding:38px;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.form-info h2{font-size:clamp(23px,2.4vw,30px);font-weight:800;line-height:1.35;letter-spacing:-.5px;}
.form-info p{font-size:14.5px;color:#B7C1AE;line-height:1.9;}
.form-points{display:flex;flex-direction:column;gap:12px;margin-top:auto;}
.form-points li{display:flex;gap:10px;font-size:14px;color:#D6DECC;line-height:1.7;}
.form-points li b{
  flex:none;width:22px;height:22px;border-radius:50%;
  background:rgba(199,242,75,.2);color:var(--accent);
  display:grid;place-items:center;font-size:12px;margin-top:2px;
}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px;
  box-shadow:var(--shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2);}
.field input,.field select,.field textarea{
  height:48px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--paper);
  font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  width:100%;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--accent-strong);
  background:var(--surface);
  box-shadow:0 0 0 3px rgba(159,213,31,.22);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA694;}
.consent{
  grid-column:1/-1;
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--muted);
  line-height:1.75;
}
.consent input{width:18px;height:18px;height:18px;flex:none;margin-top:3px;accent-color:var(--accent-strong);}
.form-submit{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.form-msg{font-size:13.5px;font-weight:700;display:none;}
.form-msg.ok{display:block;color:var(--accent-3);}
.form-msg.err{display:block;color:var(--accent-2);}

/* 日历 */
.cal-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:24px;}
.switch-btn{
  padding:9px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14px;
  font-weight:700;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.switch-btn.is-on{background:var(--ink);color:var(--accent);border-color:var(--ink);}
.switch-btn:hover{border-color:var(--accent-strong);}
.cal-week{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:14px;
}
.cal-day{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:18px 16px;
  display:flex;
  flex-direction:column;
  gap:8px;
  min-height:180px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.cal-day:hover{transform:translateY(-3px);border-color:var(--accent-strong);box-shadow:var(--shadow);}
.cal-day h3{font-size:14px;font-weight:800;}
.cal-day .cal-date{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.cal-day p{font-size:12.5px;color:var(--muted);line-height:1.7;}
.cal-day .badge{font-size:11px;padding:3px 9px;align-self:flex-start;}
.cal-list{display:none;flex-direction:column;gap:12px;}
.calendar.is-list .cal-week{display:none;}
.calendar.is-list .cal-list{display:flex;}
.cal-list li{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 20px;
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cal-list li:hover{border-color:var(--accent-strong);box-shadow:var(--shadow);}
.cal-list .badge{margin-left:auto;}

/* 专题推荐 */
.topic-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.topic-card{
  grid-column:span 2;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.topic-card.big{grid-column:span 3;}
.topic-media{aspect-ratio:16/9;overflow:hidden;}
.topic-media img{width:100%;height:100%;border-radius:0;transition:transform .5s ease;}
.topic-card:hover .topic-media img{transform:scale(1.05);}
.topic-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:17px;font-weight:800;line-height:1.45;letter-spacing:-.3px;}
.topic-card.big .topic-body h3{font-size:20px;}
.topic-body p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.topic-body .link-more{margin-top:auto;}

/* 页脚 */
.site-footer{background:var(--ink);color:#C6D0BC;padding:70px 0 0;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:52px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-main{color:#F2F5EC;font-size:19px;font-weight:800;letter-spacing:-.4px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.footer-brand p{font-size:13.5px;line-height:1.9;margin-top:14px;color:#95A18C;max-width:330px;}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.8px;color:#F2F5EC;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#A9B4A0;transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-dl{display:flex;flex-direction:column;gap:9px;margin-top:4px;}
.footer-dl a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;
  padding:10px 14px;
  border-radius:10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  color:#D6DECC;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.footer-dl a:hover{background:rgba(199,242,75,.14);border-color:var(--accent);color:#F2F5EC;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:space-between;
  align-items:center;
  padding:24px 0 30px;
  font-size:12.5px;
  color:#7F8B78;
}
.footer-bottom a{color:#9AA694;}
.footer-bottom a:hover{color:var(--accent);}

/* 响应式 */
@media (max-width:1200px){
  .bento-wide{grid-column:span 6;}
  .bento-small{grid-column:span 6;}
  .topic-card,.topic-card.big{grid-column:span 3;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav .nav-cta{display:none;}
  .hero{padding-top:56px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:none;}
  .stat{border-bottom:1px solid var(--line);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .compare-wrap{grid-template-columns:1fr;gap:20px;}
  .compare-vs{position:static;transform:none;margin:0 auto;border-color:var(--surface-2);}
  .city-wrap{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .download-panel{grid-template-columns:1fr;padding:32px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(2)::after{display:none;}
  .qa-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .faq-side{position:static;}
  .form-wrap{grid-template-columns:1fr;}
  .channel-strip{grid-template-columns:1fr;}
  .cal-week{grid-template-columns:repeat(4,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:52px 0;}
  .hero h1{letter-spacing:-.6px;}
  .hero-lead{font-size:15.5px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .bento-wide,.bento-small{grid-column:span 12;}
  .scene-grid{grid-template-columns:1fr;}
  .guarantee-item{grid-template-columns:56px 1fr;gap:16px;}
  .guarantee-item .badge{grid-column:2;}
  .guarantee-num{font-size:26px;}
  .news-list li{flex-direction:column;gap:8px;}
  .cal-week{grid-template-columns:repeat(2,1fr);}
  .topic-card,.topic-card.big{grid-column:span 6;}
  .form-grid{grid-template-columns:1fr;}
  .sec-head-split{flex-direction:column;align-items:flex-start;gap:14px;}
  .hero-actions .btn{flex:1 1 100%;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .stats-grid{grid-template-columns:1fr;}
  .stat{border-right:none;}
  .steps{grid-template-columns:1fr;}
  .step::after{display:none;}
  .cal-week{grid-template-columns:1fr;}
  .topic-card,.topic-card.big{grid-column:span 12;}
  .topbar-text{font-size:12px;}
  .hero-countdown{width:100%;justify-content:space-between;flex-wrap:wrap;}
  .btn{width:100%;}
  .form-submit .btn{width:100%;}
}

/* roulang page: article */
:root{
  --ink:#151815;
  --ink-2:#1F2420;
  --paper:#F5F6F1;
  --surface:#FFFFFF;
  --surface-2:#ECEFE6;
  --line:#D8DDD2;
  --muted:#626A60;
  --accent:#C7F24B;
  --accent-strong:#9FD51F;
  --accent-2:#FF7A45;
  --accent-3:#2E7D5B;
  --focus:#8FBF1F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow:0 14px 34px rgba(21,24,21,.08);
  --shadow-hover:0 20px 44px rgba(21,24,21,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;object-fit:cover;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--accent-3);}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.4px;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
  padding:4px 11px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-2);
}
.badge-accent{background:var(--accent);color:var(--ink);}
.badge-warm{background:rgba(255,122,69,.14);color:#C1522A;}
.badge-green{background:rgba(46,125,91,.12);color:var(--accent-3);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-strong);display:inline-block;flex:none;}
/* 顶部活动条 */
.topbar{background:var(--ink);color:#E9EFE1;font-size:13px;letter-spacing:.2px;}
.topbar .container{display:flex;align-items:center;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(199,242,75,.18);flex:none;}
.topbar-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-clock{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700;flex:none;}
.topbar-close{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#B9C3B3;transition:background .2s ease,color .2s ease;}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff;}
/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,246,241,.94);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;gap:20px;min-height:74px;}
.logo{display:flex;flex-direction:column;line-height:1.15;font-weight:800;letter-spacing:-.4px;font-size:18px;flex:none;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-main{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.4px;color:var(--muted);margin-top:3px;}
.logo-badge{font-size:11px;font-weight:700;color:var(--ink);background:var(--accent);border-radius:999px;padding:2px 9px;letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.nav-links a{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink-2);padding:9px 12px;border-radius:999px;transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:var(--surface-2);color:var(--ink);}
.nav-links a.is-active{color:var(--ink);}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--accent-strong);}
.nav-links a.is-active::before{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-5px;width:6px;height:6px;border-radius:50%;background:var(--accent-strong);}
.nav-cta{flex:none;display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;background:var(--ink);color:var(--accent);font-weight:700;font-size:14.5px;box-shadow:0 8px 20px rgba(21,24,21,.16);transition:transform .18s ease,box-shadow .18s ease,background .18s ease;}
.nav-cta:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 26px rgba(21,24,21,.22);}
.nav-cta:active{transform:scale(.98);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex:none;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{position:fixed;inset:0;z-index:80;background:var(--paper);display:flex;flex-direction:column;padding:22px 24px 32px;transform:translateY(-102%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:20px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{font-size:18px;font-weight:700;padding:13px 4px;border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--accent-3);}
.drawer .nav-cta{width:100%;justify-content:center;padding:15px 20px;font-size:16px;}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 10px 24px rgba(159,213,31,.28);}
.btn-primary:hover{background:var(--accent-strong);color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 30px rgba(159,213,31,.34);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#F2F5EC;transform:translateY(-2px);}
.btn-light{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-light:hover{border-color:var(--accent-strong);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-dark{background:var(--ink);color:var(--accent);}
.btn-dark:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
/* 面包屑 */
.crumb-band{background:var(--surface);border-bottom:1px solid var(--line);padding:16px 0;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);flex-wrap:wrap;min-width:0;}
.breadcrumb a{color:var(--muted);font-weight:600;}
.breadcrumb a:hover{color:var(--accent-3);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .crumb-current{color:var(--ink-2);font-weight:700;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* 文章头部 */
.article-hero{background:var(--surface);padding:44px 0 46px;border-bottom:1px solid var(--line);}
.hero-inner{max-width:900px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.article-hero h1{font-size:clamp(28px,3.6vw,44px);line-height:1.3;margin-bottom:18px;color:var(--ink);}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--muted);max-width:820px;}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:13.5px;color:var(--muted);}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-figure{margin-top:30px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-figure img{width:100%;height:auto;aspect-ratio:16/7;border-radius:0;}
.hero-figure figcaption{font-size:13px;color:var(--muted);padding:12px 18px;background:var(--surface-2);}
/* 正文布局 */
.article-layout{background:var(--paper);padding:52px 0 74px;}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:40px;align-items:start;}
.article-main{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:38px 40px 44px;min-width:0;}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:760px;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:clamp(21px,2.2vw,27px);margin:1.9em 0 .7em;padding-left:14px;border-left:4px solid var(--accent-strong);color:var(--ink);scroll-margin-top:96px;}
.article-body h3{font-size:19px;margin:1.6em 0 .6em;color:var(--ink);scroll-margin-top:96px;}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;background:var(--accent-strong);}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:li;}
.article-body ol li::before{content:counter(li);position:absolute;left:0;top:.34em;width:21px;height:21px;border-radius:50%;background:var(--surface-2);color:var(--ink);font-size:12px;font-weight:700;display:grid;place-items:center;}
.article-body blockquote{margin:1.4em 0;padding:16px 20px;background:var(--surface-2);border-left:4px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--muted);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:1.4em 0;border-radius:14px;width:100%;height:auto;}
.article-body a{color:var(--accent-3);text-decoration:underline;text-underline-offset:3px;}
.article-body strong{color:var(--ink);font-weight:800;}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--surface-2);color:var(--ink);}
.article-empty{text-align:left;padding:8px 0 4px;}
.article-empty h2{font-size:24px;margin-bottom:12px;}
.article-empty p{color:var(--muted);margin-bottom:22px;}
/* 目录 */
.toc-aside{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 20px 16px;box-shadow:var(--shadow);}
.toc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:800;letter-spacing:.4px;color:var(--ink);padding-bottom:12px;border-bottom:1px solid var(--line);}
.toc-head .toc-arrow{display:none;font-size:14px;color:var(--muted);}
.toc-nav{margin-top:12px;}
.toc-nav ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc;}
.toc-nav li{counter-increment:toc;}
.toc-nav a{display:block;font-size:13.5px;line-height:1.6;color:var(--muted);padding:7px 10px 7px 12px;border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:color .2s ease,background .2s ease,border-color .2s ease;}
.toc-nav a::before{content:counter(toc) ". ";font-variant-numeric:tabular-nums;color:var(--line);font-weight:700;}
.toc-nav a:hover{color:var(--ink);background:var(--surface-2);}
.toc-nav a.is-current{color:var(--ink);font-weight:700;background:var(--surface-2);border-left-color:var(--accent-strong);}
.toc-nav li.toc-sub a{padding-left:24px;font-size:12.5px;}
.toc-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);line-height:1.75;}
/* 下载引导 */
.download-band{background:var(--ink);padding:70px 0;color:#DDE5D5;}
.dl-card{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;background:rgba(255,255,255,.04);border:1px solid rgba(199,242,75,.18);border-radius:var(--radius-lg);padding:36px 38px;}
.dl-info h2{font-size:clamp(22px,2.6vw,32px);color:#F4F8EC;margin-bottom:14px;}
.dl-info p{font-size:15px;line-height:1.9;color:#B7C3AF;margin-bottom:16px;}
.dl-points li{position:relative;padding-left:22px;font-size:14px;color:#C6D1BE;margin-bottom:9px;line-height:1.8;}
.dl-points li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(199,242,75,.12);}
.dl-actions{display:flex;flex-direction:column;gap:12px;}
.dl-actions .btn{width:100%;justify-content:center;font-size:15.5px;padding:15px 20px;}
.dl-note{font-size:12.5px;color:#93A18B;text-align:center;line-height:1.7;margin-top:2px;}
/* 安全提示 */
.safety-band{background:var(--surface-2);padding:70px 0;}
.safety-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:start;}
.safety-intro h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.safety-intro p{font-size:15px;color:var(--muted);line-height:1.9;max-width:420px;}
.safety-list{display:grid;gap:14px;}
.safety-item{display:grid;grid-template-columns:44px 1fr;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.safety-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent-strong);}
.safety-num{width:44px;height:44px;border-radius:12px;background:var(--surface-2);display:grid;place-items:center;font-weight:800;font-size:14px;color:var(--ink);font-variant-numeric:tabular-nums;}
.safety-item h3{font-size:16px;margin-bottom:6px;}
.safety-item p{font-size:14px;color:var(--muted);line-height:1.8;}
/* 相关推荐 */
.related-band{background:var(--paper);padding:74px 0;}
.section-head{max-width:700px;margin-bottom:32px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;}
.section-head p{font-size:15px;color:var(--muted);line-height:1.9;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.related-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;color:var(--ink);}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);color:var(--ink);}
.related-card img{width:100%;aspect-ratio:16/9;border-radius:0;}
.related-body{padding:20px 22px 22px;}
.related-body h3{font-size:17px;margin-bottom:8px;line-height:1.45;}
.related-body p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.related-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--accent-3);background:rgba(46,125,91,.1);border-radius:999px;padding:3px 10px;margin-bottom:10px;}
/* 返回入口 */
.pager-band{background:var(--surface);border-top:1px solid var(--line);padding:36px 0 44px;}
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;}
.pager-note{font-size:13.5px;color:var(--muted);max-width:520px;line-height:1.8;}
/* 页脚 */
.site-footer{background:var(--ink);color:#C9D3C2;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo-main{font-size:18px;font-weight:800;color:#F4F8EC;letter-spacing:-.4px;}
.footer-brand p{font-size:13.5px;color:#9DAA96;line-height:1.9;margin-top:14px;max-width:330px;}
.footer-col h4{font-size:14px;color:#F4F8EC;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#A9B5A1;}
.footer-col ul a:hover{color:var(--accent);}
.footer-dl a{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;border-radius:10px;background:rgba(255,255,255,.06);color:#E7EEDD;font-size:14px;margin-bottom:8px;transition:background .2s ease,color .2s ease,transform .2s ease;}
.footer-dl a:hover{background:var(--accent);color:var(--ink);transform:translateY(-2px);}
.footer-dl a span:last-child{color:#93A18B;font-size:12.5px;font-variant-numeric:tabular-nums;}
.footer-dl a:hover span:last-child{color:rgba(21,24,21,.7);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12.5px;color:#7F8C78;}
/* 响应式 */
@media (max-width:1100px){
  .nav-links a{padding:9px 9px;font-size:14px;}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav{min-height:68px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .toc-aside{position:static;order:-1;padding:16px 18px;}
  .toc-head{cursor:pointer;padding-bottom:0;border-bottom:none;}
  .toc-head .toc-arrow{display:block;}
  .toc-nav{max-height:0;overflow:hidden;transition:max-height .32s ease;margin-top:0;}
  .toc-aside.is-open .toc-nav{max-height:520px;overflow-y:auto;margin-top:12px;}
  .toc-foot{display:none;}
  .dl-card{grid-template-columns:1fr;gap:26px;padding:30px 26px;}
  .safety-inner{grid-template-columns:1fr;gap:26px;}
  .safety-intro p{max-width:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-main{padding:30px 26px 34px;}
}
@media (max-width:768px){
  .article-hero{padding:34px 0 36px;}
  .article-layout{padding:34px 0 54px;}
  .download-band,.safety-band,.related-band{padding:52px 0;}
  .related-grid{grid-template-columns:1fr;}
  .hero-figure img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand p{max-width:none;}
  .breadcrumb{font-size:12.5px;}
  .hero-meta{font-size:12.5px;gap:8px 16px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .topbar-text{font-size:12px;}
  .topbar-clock{display:none;}
  .article-hero h1{font-size:25px;}
  .hero-lead{font-size:15px;}
  .article-main{padding:24px 18px 28px;border-radius:var(--radius-md);}
  .article-body{font-size:16px;line-height:1.9;}
  .btn{width:100%;}
  .related-body{padding:16px 16px 18px;}
  .pager{flex-direction:column;align-items:stretch;}
  .pager-note{max-width:none;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .dl-card{padding:24px 18px;border-radius:var(--radius-md);}
}

/* roulang page: category1 */
:root{
  --ink:#151815;
  --ink-2:#1F2420;
  --paper:#F5F6F1;
  --surface:#FFFFFF;
  --surface-2:#ECEFE6;
  --line:#D8DDD2;
  --muted:#626A60;
  --accent:#C7F24B;
  --accent-strong:#9FD51F;
  --accent-2:#FF7A45;
  --accent-3:#2E7D5B;
  --focus:#8FBF1F;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow:0 14px 34px rgba(21,24,21,.08);
  --shadow-hover:0 20px 44px rgba(21,24,21,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:14px;object-fit:cover;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-3);}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:6px;}

/* 顶部活动条 */
.topbar{background:var(--ink);color:#E9EFE1;font-size:13px;letter-spacing:.2px;}
.topbar .container{display:flex;align-items:center;gap:16px;min-height:38px;padding-top:6px;padding-bottom:6px;}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(199,242,75,.18);flex:none;}
.topbar-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-clock{font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700;flex:none;}
.topbar-close{flex:none;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:#B9C3B3;transition:background .2s ease,color .2s ease;}
.topbar-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,246,241,.94);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;gap:20px;min-height:74px;}
.logo{display:flex;flex-direction:column;line-height:1.15;font-weight:800;letter-spacing:-.4px;font-size:18px;flex:none;}
.logo:hover{color:var(--ink);}
.logo-main{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.4px;color:var(--muted);margin-top:3px;}
.logo-badge{font-size:11px;font-weight:700;color:var(--ink);background:var(--accent);border-radius:999px;padding:2px 9px;letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.nav-links a{position:relative;display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink-2);padding:9px 12px;border-radius:999px;transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:var(--surface-2);color:var(--ink);}
.nav-links a.is-active{color:var(--ink);}
.nav-links a.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--accent-strong);}
.nav-links a.is-active::before{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-5px;width:6px;height:6px;border-radius:50%;background:var(--accent-strong);}
.nav-cta{flex:none;display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;background:var(--ink);color:var(--accent);font-weight:700;font-size:14.5px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;box-shadow:0 8px 20px rgba(21,24,21,.16);}
.nav-cta:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 26px rgba(21,24,21,.22);}
.nav-cta:active{transform:scale(.98);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;flex:none;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;background:var(--paper);display:flex;flex-direction:column;padding:22px 24px 32px;transform:translateY(-102%);transition:transform .32s cubic-bezier(.4,0,.2,1);overflow-y:auto;}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:20px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{font-size:18px;font-weight:700;padding:13px 4px;border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--accent-3);}
.drawer .nav-cta{width:100%;justify-content:center;padding:15px 20px;font-size:16px;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;border:1px solid transparent;transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;white-space:nowrap;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--accent);color:var(--ink);box-shadow:0 10px 24px rgba(159,213,31,.28);}
.btn-primary:hover{background:var(--accent-strong);color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 30px rgba(159,213,31,.34);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#F2F5EC;transform:translateY(-2px);}
.btn-light{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-light:hover{border-color:var(--accent-strong);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-dark{background:var(--ink);color:var(--accent);}
.btn-dark:hover{background:var(--ink-2);color:var(--accent);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line);white-space:nowrap;}
.badge-accent{background:var(--accent);border-color:var(--accent);color:var(--ink);}
.badge-warm{background:rgba(255,122,69,.14);border-color:rgba(255,122,69,.3);color:#B7471A;}
.badge-green{background:rgba(46,125,91,.12);border-color:rgba(46,125,91,.28);color:var(--accent-3);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-strong);flex:none;}
.dot-warm{background:var(--accent-2);}
.dot-green{background:var(--accent-3);}

/* 分类头 */
.cat-head{background:var(--surface);border-bottom:1px solid var(--line);padding:30px 0 34px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent-3);}
.breadcrumb .sep{color:#B6BEAF;}
.cat-head h1{font-size:clamp(27px,3.6vw,44px);margin:16px 0 14px;max-width:920px;font-weight:800;}
.cat-lead{max-width:840px;color:var(--muted);font-size:16.5px;}
.filter-bar{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;align-items:center;}
.chip{font-size:13.5px;font-weight:700;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;}
.chip:hover{border-color:var(--accent-strong);color:var(--ink);transform:translateY(-1px);}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--accent);}
.filter-note{font-size:13px;color:var(--muted);margin-left:4px;}

/* 通用 section */
.section{padding:72px 0;}
.section-alt{background:var(--surface);}
.section-split{border-top:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head h2{font-size:clamp(23px,2.6vw,34px);margin-bottom:12px;font-weight:800;}
.sec-head p{color:var(--muted);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--accent-3);margin-bottom:12px;}

/* 指标 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--accent-strong);border-radius:var(--radius-md);padding:22px 22px 20px;transition:transform .2s ease,box-shadow .2s ease;}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.metric-num{font-size:clamp(26px,2.6vw,34px);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-1px;line-height:1.1;}
.metric-num small{font-size:14px;font-weight:700;margin-left:4px;letter-spacing:0;}
.metric-label{font-size:14.5px;font-weight:700;margin-top:8px;}
.metric-note{font-size:12.5px;color:var(--muted);margin-top:4px;line-height:1.7;}

/* 频道入口 */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.channel{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.channel:hover{transform:translateY(-4px);border-color:var(--accent-strong);box-shadow:var(--shadow);color:var(--ink);}
.channel h3{font-size:17px;}
.channel p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.channel .count{font-size:12.5px;color:var(--accent-3);font-weight:700;margin-top:auto;}
.channel.is-current{background:var(--surface-2);border-color:var(--accent-strong);}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.scene-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;}
.scene-card img{width:100%;height:100%;border-radius:0;transition:transform .4s ease;}
.scene-card:hover img{transform:scale(1.04);}
.scene-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:18px;}
.scene-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.scene-fit{font-size:12.5px;color:var(--ink-2);background:var(--surface-2);border-radius:var(--radius-sm);padding:8px 12px;}
.scene-link{font-size:13.5px;font-weight:700;color:var(--accent-3);margin-top:auto;}
.scene-link:hover{color:var(--ink);text-decoration:underline;}

/* 列表主体 */
.post-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.post-card{display:grid;grid-template-columns:180px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:16px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-3px);border-color:var(--accent-strong);box-shadow:var(--shadow);}
.post-card figure{margin:0;aspect-ratio:4/3;overflow:hidden;border-radius:12px;}
.post-card img{width:100%;height:100%;border-radius:12px;}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:8px;}
.post-card h3{font-size:16.5px;line-height:1.5;margin-bottom:6px;}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.post-time{font-size:12px;color:var(--muted);}
.post-link{display:inline-block;margin-top:10px;font-size:13px;font-weight:700;color:var(--accent-3);}
.post-link:hover{color:var(--ink);text-decoration:underline;}
.list-foot{margin-top:26px;display:flex;justify-content:center;}
.empty-note{font-size:14px;color:var(--muted);}

/* 分栏解读 */
.split{display:grid;grid-template-columns:0.85fr 1.15fr;gap:44px;align-items:start;}
.split h2{font-size:clamp(23px,2.6vw,34px);font-weight:800;}
.split .sticky-note{position:sticky;top:104px;color:var(--muted);font-size:14.5px;margin-top:14px;}
.read-list{display:flex;flex-direction:column;gap:18px;}
.read-item{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent-strong);border-radius:var(--radius-md);padding:20px 22px;transition:transform .2s ease,box-shadow .2s ease;}
.read-item:hover{transform:translateX(3px);box-shadow:var(--shadow);}
.read-item h3{font-size:17px;margin-bottom:8px;}
.read-item p{font-size:14px;color:var(--muted);line-height:1.8;}

/* 下载步骤 */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.step-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px;position:relative;transition:transform .2s ease,box-shadow .2s ease;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.step-idx{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--accent);font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:12px;}
.step-card h3{font-size:16.5px;margin-bottom:8px;}
.step-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.dl-panel{margin-top:26px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;}
.dl-panel h3{font-size:18px;margin-bottom:8px;}
.dl-panel p{font-size:13.5px;color:var(--muted);margin-bottom:16px;}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;}
.dl-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.8;}

/* 安全提示 */
.safety-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.safety-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;display:flex;gap:16px;transition:transform .2s ease,box-shadow .2s ease;}
.safety-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.safety-no{font-size:20px;font-weight:800;color:var(--accent-strong);font-variant-numeric:tabular-nums;line-height:1;flex:none;width:34px;}
.safety-item h3{font-size:16px;margin-bottom:6px;}
.safety-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:0.8fr 1.2fr;gap:44px;align-items:start;}
.faq-side h2{font-size:clamp(23px,2.6vw,34px);font-weight:800;margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:14.5px;}
.faq-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 4px;font-size:16px;font-weight:700;color:var(--ink);transition:background .2s ease,color .2s ease,padding .2s ease;border-radius:8px;}
.faq-q:hover{background:var(--surface);padding-left:12px;padding-right:12px;}
.faq-item.is-open .faq-q{color:var(--accent-3);}
.faq-ic{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:16px;line-height:1;transition:transform .25s ease,background .2s ease,color .2s ease,border-color .2s ease;}
.faq-item.is-open .faq-ic{transform:rotate(45deg);background:var(--accent);border-color:var(--accent);color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 4px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;}
.faq-item.is-open .faq-a{max-height:420px;}

/* 专题推荐 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.topic-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--accent-strong);}
.topic-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;}
.topic-card img{width:100%;height:100%;border-radius:0;}
.topic-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.topic-body h3{font-size:16.5px;}
.topic-body p{font-size:13.5px;color:var(--muted);line-height:1.75;}
.topic-body a{font-size:13px;font-weight:700;color:var(--accent-3);margin-top:auto;display:inline-block;padding-top:6px;}
.topic-body a:hover{color:var(--ink);text-decoration:underline;}

/* CTA 条 */
.cta-strip{margin-top:34px;background:var(--ink);color:#EDF1E7;border-radius:var(--radius-lg);padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;}
.cta-strip h3{font-size:20px;color:#fff;margin-bottom:6px;}
.cta-strip p{font-size:13.5px;color:#A9B4A2;max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9D1C2;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:44px;}
.footer-brand .logo-main{color:#fff;font-size:17px;font-weight:800;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.footer-brand p{font-size:13px;color:#94A08D;line-height:1.85;margin-top:14px;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:13.5px;color:#A6B29F;transition:color .2s ease;}
.footer-col ul a:hover{color:var(--accent);}
.footer-dl{display:flex;flex-direction:column;gap:10px;}
.footer-dl a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:700;color:#DCE3D5;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 13px;transition:background .2s ease,border-color .2s ease,transform .18s ease;}
.footer-dl a span:last-child{color:#8B9783;font-size:11.5px;font-weight:600;}
.footer-dl a:hover{background:rgba(199,242,75,.14);border-color:var(--accent);color:#fff;transform:translateY(-1px);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.5px;color:#7E8A77;}

/* 响应式 */
@media (max-width:1200px){
  .metric-grid{grid-template-columns:repeat(4,1fr);gap:16px;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(3,1fr);gap:18px;}
}
@media (max-width:992px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .post-list{grid-template-columns:1fr;}
  .split,.faq-wrap{grid-template-columns:1fr;gap:26px;}
  .split .sticky-note{position:static;}
  .step-grid,.safety-list{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .section{padding:56px 0;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .cat-head{padding:22px 0 26px;}
  .section{padding:46px 0;}
  .post-card{grid-template-columns:132px 1fr;gap:14px;padding:14px;}
  .post-card h3{font-size:15.5px;}
  .cta-strip{padding:24px 22px;}
  .metric{padding:18px;}
  .topbar .container{min-height:34px;}
  .topbar-text{font-size:12px;}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .scene-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .post-card{grid-template-columns:1fr;}
  .post-card figure{aspect-ratio:16/9;}
  .dl-btns .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .filter-note{display:none;}
}