/* roulang page: index */
:root{
  --lime:#C8F135;
  --coral:#FF6A3D;
  --cyan:#3ED2C0;
  --bg:#0E0F13;
  --panel:#16181F;
  --panel-2:#1C1F27;
  --line:#2A2E38;
  --text:#EDEFF3;
  --text-2:#A3A9B5;
  --text-3:#6E7481;
  --paper:#F6F4EF;
  --paper-line:#E3DFD6;
  --radius-card:16px;
  --radius-phone:18px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45),0 0 0 1px var(--line);
  --shadow-soft:0 10px 28px rgba(15,17,22,.08);
  --nav-h:60px;
  --pad-x:32px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.32;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
.container{max-width:1200px;margin:0 auto;padding:0 var(--pad-x);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,filter .18s ease,background .18s ease;
}
.btn-primary{background:var(--coral);color:#16181F;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 3px rgba(255,106,61,.22);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-ghost:active{transform:scale(.98);}
.btn-pill{border-radius:999px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}
.text-link{
  color:var(--cyan);font-size:14px;border-bottom:1px solid rgba(62,210,192,.36);
  padding-bottom:3px;transition:color .18s ease,border-color .18s ease;
}
.text-link:hover{color:var(--lime);border-color:var(--lime);}

/* ============ 标签 ============ */
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--cyan);font-size:13px;line-height:1;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:var(--panel-2);}
.chip-lime{color:var(--lime);border-color:rgba(200,241,53,.34);}
.chip-solid{background:var(--lime);color:#16181F;border-color:var(--lime);font-weight:700;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:rgba(14,15,19,.78);border:1px solid rgba(200,241,53,.36);
  color:var(--lime);font-size:12px;line-height:1;backdrop-filter:blur(4px);
}

/* ============ 导航 ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:var(--nav-h);
  background:linear-gradient(180deg,rgba(14,15,19,.86),rgba(14,15,19,0));
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.header.is-scrolled{
  background:#0E0F13;border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 var(--pad-x);
  height:100%;display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:28px;height:28px;background:var(--lime);flex-shrink:0;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16;}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:0;}
.logo-text span{font-size:11px;letter-spacing:.04em;color:var(--text-2);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  position:relative;display:flex;align-items:center;height:var(--nav-h);
  padding:0 12px;font-size:14.5px;color:var(--text-2);
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.is-active{color:var(--text);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search{width:200px;transition:width .25s ease;}
.search input{
  width:100%;height:36px;border-radius:var(--radius-input);
  background:var(--panel);border:1px solid var(--line);
  padding:0 12px;font-size:13.5px;color:var(--text);outline:none;
  transition:border-color .18s ease,background .18s ease;
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{border-color:var(--lime);background:var(--panel-2);}
.search:focus-within{width:260px;}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger i{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;}
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--bg);
  display:none;flex-direction:column;padding:0 20px 32px;
}
.drawer.is-open{display:flex;}
.drawer-head{height:52px;display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);font-size:18px;color:var(--text-2);}
.drawer-nav{margin-top:8px;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--lime);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .search{width:100%;}
.drawer-foot .search:focus-within{width:100%;}

/* ============ 通用区块 ============ */
.section{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;
}
.section-head .lead{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--lime);
  letter-spacing:.06em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:14px;height:3px;background:var(--lime);display:block;}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;}

/* ============ Hero ============ */
.hero{
  padding-top:calc(var(--nav-h) + 16px);
  padding-bottom:64px;
  background:
    radial-gradient(900px 480px at 82% -10%,rgba(200,241,53,.10),transparent 62%),
    radial-gradient(700px 420px at 6% 20%,rgba(62,210,192,.08),transparent 60%);
}
.hero-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:36px;align-items:center;
}
.hero-visual{grid-column:span 5;}
.hero-content{grid-column:span 7;}
.phone-card{
  position:relative;width:100%;aspect-ratio:9/16;max-height:78vh;
  border-radius:var(--radius-phone);overflow:hidden;
  background:linear-gradient(160deg,#1C1F27,#0E0F13);
  box-shadow:var(--shadow-card);
}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .5s ease;}
.phone-card:hover img{transform:scale(1.03);}
.phone-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,15,19,.45) 0%,rgba(14,15,19,.05) 42%,rgba(14,15,19,.82) 100%);
}
.progress-line{
  position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--lime) 0%,var(--lime) 38%,rgba(200,241,53,.15) 38%,rgba(200,241,53,.15) 100%);
}
.play-badge{
  position:absolute;right:16px;bottom:16px;width:42px;height:42px;border-radius:50%;
  background:rgba(200,241,53,.94);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(0,0,0,.4);
}
.play-badge::after{
  content:"";display:block;margin-left:3px;
  border-left:12px solid #16181F;border-top:8px solid transparent;border-bottom:8px solid transparent;
}
.phone-caption{
  position:absolute;left:18px;bottom:20px;right:76px;font-size:13px;color:var(--text-2);line-height:1.7;
}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:600px;margin-bottom:22px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:40px;padding-top:24px;border-top:1px solid var(--line);
}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--lime);line-height:1.3;}
.stat span{font-size:13px;color:var(--text-3);}

/* ============ 横滑轨 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 0 18px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-fade{
  position:absolute;top:0;bottom:18px;width:72px;pointer-events:none;z-index:2;
}
.rail-fade.left{left:-1px;background:linear-gradient(90deg,var(--bg),rgba(14,15,19,0));}
.rail-fade.right{right:-1px;background:linear-gradient(270deg,var(--bg),rgba(14,15,19,0));}
.rail-arrows{position:absolute;right:0;top:-56px;display:flex;gap:8px;}
.rail-arrow{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  color:var(--text-2);display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.rail-arrow:hover{border-color:var(--lime);color:var(--lime);}
.rail-arrow:active{transform:scale(.96);}
.clip-card{flex:0 0 260px;scroll-snap-align:start;display:block;transition:transform .25s ease;}
.clip-card:hover{transform:translateY(-4px);}
.clip-thumb{
  position:relative;aspect-ratio:2/3;border-radius:var(--radius-phone);overflow:hidden;
  background:linear-gradient(150deg,#1C1F27,#0E0F13);border:1px solid var(--line);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.clip-card:hover .clip-thumb{border-color:rgba(200,241,53,.4);box-shadow:0 18px 36px rgba(0,0,0,.5);}
.clip-thumb img{width:100%;height:100%;object-fit:cover;filter:grayscale(60%);transition:filter .35s ease,transform .35s ease;}
.clip-card:hover .clip-thumb img{filter:grayscale(0);transform:scale(1.03);}
.clip-badge{position:absolute;left:12px;top:12px;}
.clip-meta{
  position:absolute;left:0;right:0;bottom:0;padding:36px 14px 14px;
  background:linear-gradient(180deg,rgba(14,15,19,0),rgba(14,15,19,.9));
}
.clip-meta h3{
  font-size:15px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-meta span{display:block;font-size:12.5px;color:var(--text-2);margin-top:6px;}

/* ============ 编号清单 ============ */
.check-list{border-top:1px solid var(--line);}
.list-row{
  display:grid;grid-template-columns:88px 1fr auto;align-items:center;gap:20px;
  padding:22px 16px 22px 0;border-bottom:1px solid var(--line);
  transition:background .22s ease,padding-left .22s ease;
}
.list-row:hover{background:var(--panel);padding-left:6px;}
.list-row .num{font-size:32px;font-weight:800;color:var(--lime);line-height:1;}
.list-row h3{font-size:17px;margin-bottom:4px;}
.list-row p{font-size:14px;color:var(--text-2);}

/* ============ 最新信息 ============ */
.post-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.post-card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(200,241,53,.4);box-shadow:0 18px 40px rgba(0,0,0,.5);}
.post-card:hover .post-date{color:var(--lime);}
.post-card:focus-within{outline:2px solid var(--lime);outline-offset:2px;}
.post-card--wide{grid-column:span 2;flex-direction:row;}
.post-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;flex-shrink:0;
  background:linear-gradient(150deg,#1C1F27,#0E0F13);
}
.post-card--wide .post-cover{width:340px;aspect-ratio:auto;min-height:220px;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;}
.post-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);
}
.post-date{font-size:13px;color:var(--text-3);transition:color .2s ease;}
.post-more{font-size:13.5px;color:var(--cyan);}
.post-card:hover .post-more{color:var(--lime);}
.empty-card{
  grid-column:span 2;display:flex;align-items:center;gap:16px;
  padding:28px;border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--panel);color:var(--text-2);font-size:14.5px;
}
.empty-card svg{flex-shrink:0;}

/* ============ 口碑 ============ */
.quote-rail{display:flex;gap:16px;overflow-x:auto;padding:4px 0 18px;scroll-snap-type:x proximity;scrollbar-width:none;}
.quote-rail::-webkit-scrollbar{display:none;}
.quote-card{
  flex:0 0 300px;scroll-snap-align:start;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:border-color .25s ease,transform .25s ease;
}
.quote-card:hover{border-color:rgba(62,210,192,.4);transform:translateY(-3px);}
.quote-mark{font-size:34px;line-height:1;color:rgba(200,241,53,.35);font-family:Georgia,serif;}
.quote-card p{
  font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.quote-foot{display:flex;align-items:center;gap:10px;margin-top:auto;}
.avatar{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--lime));
  display:flex;align-items:center;justify-content:center;color:#16181F;font-weight:800;font-size:14px;
}
.quote-who{display:flex;flex-direction:column;line-height:1.4;}
.quote-who b{font-size:14px;font-weight:600;}
.quote-who span{font-size:12px;color:var(--text-3);}
.stars{margin-left:auto;font-size:12px;color:var(--lime);letter-spacing:1px;}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 0;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--lime);}
.faq-plus{
  position:relative;width:20px;height:20px;flex-shrink:0;
  transition:transform .25s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--lime);border-radius:2px;
}
.faq-plus::before{left:0;top:9px;width:20px;height:2px;}
.faq-plus::after{left:9px;top:0;width:2px;height:20px;}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-item p{padding:0 44px 24px 0;color:var(--text-2);font-size:15px;line-height:1.9;}

/* ============ CTA 面板 ============ */
.cta-panel{
  background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:var(--radius-card);padding:36px;
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
}
.cta-panel .cta-text{grid-column:span 8;}
.cta-panel .cta-act{grid-column:span 4;display:flex;justify-content:flex-end;gap:12px;flex-wrap:wrap;}
.cta-panel h2{margin-bottom:8px;}
.cta-panel p{color:var(--text-2);font-size:15px;}

/* ============ 页脚 ============ */
.footer{background:#0B0C10;border-top:1px solid var(--line);padding:56px 0 24px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.9;max-width:320px;}
.footer h4{font-size:15px;margin-bottom:14px;color:var(--text);}
.footer ul li{margin-bottom:10px;}
.footer ul a{font-size:14px;color:var(--text-2);transition:color .18s ease;}
.footer ul a:hover{color:var(--lime);}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.9;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ============ 浮动组件 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:40px;height:40px;border-radius:12px;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;z-index:70;font-size:16px;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,border-color .2s ease,color .2s ease;
}
.to-top.is-show{opacity:1;visibility:visible;}
.to-top:hover{border-color:var(--lime);color:var(--lime);}
.dock{
  position:fixed;right:24px;bottom:76px;width:280px;z-index:75;
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:0 18px 40px rgba(0,0,0,.55);
  transform:translateY(16px);opacity:0;visibility:hidden;
  transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
}
.dock.is-show{transform:translateY(0);opacity:1;visibility:visible;}
.dock h4{font-size:15px;margin-bottom:6px;}
.dock p{font-size:13px;color:var(--text-2);line-height:1.7;margin-bottom:14px;}
.dock-actions{display:flex;gap:10px;}
.dock-close{
  position:absolute;right:10px;top:10px;width:26px;height:26px;border-radius:8px;
  color:var(--text-3);font-size:15px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.dock-close:hover{color:var(--lime);}
.dock-mobile{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--pad-x:24px;}
  .rail-arrows{display:none;}
}
@media (max-width:1024px){
  .nav-links,.nav-right .search{display:none;}
  .burger{display:flex;}
  .hero-grid{gap:28px;}
  .hero-visual{grid-column:span 12;}
  .hero-content{grid-column:span 12;}
  .phone-card{aspect-ratio:4/5;max-height:62vh;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-panel .cta-text{grid-column:span 12;}
  .cta-panel .cta-act{grid-column:span 12;justify-content:flex-start;}
}
@media (max-width:768px){
  :root{--pad-x:20px;--nav-h:52px;}
  body{font-size:15.5px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero{padding-bottom:44px;}
  .hero-stats{gap:24px;}
  .stat b{font-size:20px;}
  .post-grid{grid-template-columns:1fr;}
  .post-card--wide{grid-column:span 1;flex-direction:column;}
  .post-card--wide .post-cover{width:100%;aspect-ratio:16/9;min-height:0;}
  .empty-card{grid-column:span 1;}
  .list-row{grid-template-columns:56px 1fr;gap:14px;padding:20px 8px 20px 0;}
  .list-row .num{font-size:26px;}
  .list-row .row-act{grid-column:2;}
  .clip-card{flex:0 0 220px;}
  .quote-card{flex:0 0 264px;}
  .cta-panel{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer{padding:44px 0 20px;}
  .dock{display:none;}
  .dock-mobile{
    display:flex;align-items:center;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:78;height:60px;
    padding:0 16px calc(0px + env(safe-area-inset-bottom));
    background:var(--panel-2);border-top:1px solid var(--line);
    transform:translateY(100%);transition:transform .3s ease;
  }
  .dock-mobile.is-show{transform:translateY(0);}
  .dock-mobile span{font-size:13px;color:var(--text-2);flex:1;line-height:1.4;}
  .to-top{bottom:76px;right:16px;}
}
@media (max-width:520px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .hero-actions .btn{flex:1 1 100%;}
  .phone-card{aspect-ratio:4/5;}
  .post-body{padding:16px;}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --lime:#C8F135;
  --lime-dim:rgba(200,241,53,.14);
  --lime-line:rgba(200,241,53,.4);
  --coral:#FF6A3D;
  --coral-glow:rgba(255,106,61,.22);
  --cyan:#3ED2C0;
  --bg:#0E0F13;
  --panel:#16181F;
  --panel-2:#1C1F27;
  --line:#2A2E38;
  --text:#EDEFF3;
  --text-2:#A3A9B5;
  --text-3:#6E7481;
  --paper:#F6F4EF;
  --paper-line:#E3DFD6;
  --paper-text:#1A1C21;
  --paper-sub:#4E535C;
  --paper-tint:#EDEAE2;
  --r-card:16px;
  --r-poster:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-up:0 24px 52px rgba(0,0,0,.55);
  --shadow-paper:0 10px 28px rgba(15,17,22,.08);
  --font:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font);font-size:16px;line-height:1.8;letter-spacing:0;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.header.is-scrolled{background:#0B0C10;box-shadow:0 12px 28px rgba(0,0,0,.5);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;height:60px;
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:28px;height:28px;background:var(--lime);flex:none;
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16;}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text);}
.logo-text span{font-size:11px;letter-spacing:.04em;color:var(--text-2);}
.nav-links{display:flex;align-items:center;gap:24px;margin-right:auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--text-2);padding:19px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search input{
  width:200px;height:36px;padding:0 12px;border-radius:10px;
  border:1px solid var(--line);background:var(--panel);color:var(--text);
  transition:width .25s ease,border-color .2s ease;
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{width:260px;outline:none;border-color:var(--lime);}
.burger{
  display:none;width:38px;height:36px;border:1px solid var(--line);border-radius:10px;
  background:var(--panel);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#14161B;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 3px var(--coral-glow);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn:active{transform:scale(.98);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}
.btn-pill{border-radius:var(--r-pill);}
.link-more{
  font-size:14px;color:var(--cyan);border-bottom:1px solid transparent;
  padding-bottom:1px;transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:none;flex-direction:column;padding:18px 20px 24px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);font-size:18px;cursor:pointer;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:active{color:var(--lime);}
.drawer-foot{margin-top:auto;padding-top:22px;display:grid;gap:12px;}
.drawer-foot input{
  height:44px;padding:0 14px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);color:var(--text);
}
.drawer-foot input:focus{outline:none;border-color:var(--lime);}

/* ============ 文章头部 ============ */
.art-hero{
  position:relative;padding:54px 0 44px;
  background:
    linear-gradient(180deg,rgba(14,15,19,.94) 0%,rgba(14,15,19,.88) 62%,var(--bg) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{color:var(--text-3);}
.breadcrumb .current{color:var(--text-3);}
.art-hero h1{
  margin-top:18px;font-size:clamp(28px,4vw,44px);line-height:1.28;color:var(--text);
  max-width:920px;
}
.art-meta{
  margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:var(--text-2);
}
.meta-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid rgba(62,210,192,.45);color:var(--cyan);font-size:12.5px;
}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* ============ 正文布局 ============ */
.art-main{padding:48px 0 64px;}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;}
.art-col{min-width:0;display:grid;gap:28px;}

.paper{
  background:var(--paper);color:var(--paper-text);
  border:1px solid var(--paper-line);border-radius:var(--r-poster);
  box-shadow:var(--shadow-paper);padding:48px;
}
.lede{
  position:relative;background:var(--paper-tint);border-left:3px solid #A5CB2B;
  border-radius:10px;padding:18px 22px;margin-bottom:34px;
  font-size:18px;line-height:1.9;color:#33373E;
}
.article-body{max-width:760px;font-size:17px;line-height:1.95;color:var(--paper-text);}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  margin:1.8em 0 .6em;font-size:clamp(22px,2.6vw,30px);line-height:1.32;color:#15171C;
}
.article-body h2::before{
  content:"";display:block;width:14px;height:3px;background:#A9CE2E;
  border-radius:2px;margin-bottom:12px;
}
.article-body h3{margin:1.4em 0 .5em;font-size:20px;line-height:1.4;color:#1F2228;}
.article-body h4{margin:1.2em 0 .4em;font-size:17px;color:#1F2228;}
.article-body img{border-radius:12px;margin:1.2em 0;height:auto;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption,.article-body .caption{font-size:12px;color:var(--paper-sub);line-height:1.6;margin-top:6px;}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--paper-tint);
  border-left:4px solid #A9CE2E;border-radius:0 12px 12px 0;color:#33373E;
}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em;}
.article-body ul li{list-style:square;line-height:1.9;margin-bottom:.35em;}
.article-body ol li{list-style:decimal;line-height:1.9;margin-bottom:.35em;}
.article-body a{color:#22776B;border-bottom:1px solid rgba(34,119,107,.4);}
.article-body a:hover{color:#1B5F56;border-bottom-color:#1B5F56;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  border:1px solid var(--paper-line);
}
.article-body th,.article-body td{
  border:1px solid var(--paper-line);padding:10px 14px;text-align:left;
}
.article-body th{background:#E9E5DC;font-weight:600;}
.article-body tbody tr:hover{background:#F1EEE7;}
.article-body strong{font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--paper-line);margin:2em 0;}

.paper-empty{text-align:left;}
.paper-empty h2{font-size:24px;color:#15171C;margin-bottom:14px;}
.paper-empty p{color:var(--paper-sub);margin-bottom:22px;font-size:16px;line-height:1.9;}

/* ============ 正文尾部 CTA 条 ============ */
.cta-strip{
  background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:var(--r-card);padding:26px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-strip h2{font-size:21px;color:var(--text);margin-bottom:8px;}
.cta-strip p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:560px;}

/* ============ 前后篇 ============ */
.pager{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.pager a{
  display:block;padding:16px 20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--panel);transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.pager a:hover{transform:translateY(-4px);border-color:var(--lime-line);background:var(--panel-2);}
.pager span{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px;}
.pager b{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;}
.pager .pager-back{grid-column:span 2;text-align:center;}

/* ============ 侧栏 ============ */
.art-side{position:sticky;top:84px;display:grid;gap:20px;}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 20px 22px;
}
.side-card h3{
  font-size:14px;color:var(--text);letter-spacing:.02em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:12px;height:3px;border-radius:2px;background:var(--lime);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;font-size:13.5px;line-height:1.6;color:var(--text-2);
  padding:8px 0 8px 12px;border-left:2px solid var(--line);transition:color .2s ease,border-color .2s ease;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-link:hover{color:var(--text);}
.toc-link.is-current{color:var(--lime);border-left-color:var(--lime);}
.toc-empty{font-size:13.5px;color:var(--text-3);line-height:1.8;}
.hot-list{display:flex;flex-direction:column;}
.hot-list a{
  display:flex;flex-direction:column;gap:4px;padding:12px 0;border-bottom:1px solid var(--line);
}
.hot-list a:last-child{border-bottom:none;padding-bottom:0;}
.hot-list b{font-size:14px;font-weight:500;color:var(--text-2);line-height:1.6;transition:color .2s ease;}
.hot-list .date{font-size:12px;color:var(--text-3);}
.hot-list a:hover b{color:var(--lime);}
.hot-list a:hover .date{color:var(--lime);}
.cat-links{display:flex;flex-direction:column;gap:10px;}
.cat-links a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:var(--text-2);padding:10px 12px;border-radius:10px;
  border:1px solid var(--line);transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.cat-links a:hover{border-color:var(--lime-line);color:var(--text);background:var(--panel-2);}
.cat-links i{font-style:normal;color:var(--lime);font-size:13px;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 72px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(20px,2.4vw,26px);color:var(--text);}
.section-head h2::before{
  content:"";display:block;width:14px;height:3px;background:var(--lime);border-radius:2px;margin-bottom:12px;
}
.section-head p{font-size:14px;color:var(--text-2);max-width:560px;line-height:1.8;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--lime-line);box-shadow:var(--shadow);background:var(--panel-2);}
.rel-card:focus-within{outline:2px solid var(--lime);outline-offset:2px;}
.thumb{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(120deg,#1C1F27,#2A2E38);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .thumb img{transform:scale(1.04);}
.thumb.is-fallback{background:linear-gradient(135deg,#1C1F27 0%,#243026 58%,#31401F 100%);}
.thumb.is-fallback::after{
  content:"九游j9";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:rgba(200,241,53,.55);letter-spacing:.08em;
}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:12.5px;color:var(--cyan);background:transparent;
}
.chip.is-lime{color:var(--lime);border-color:var(--lime-line);}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;color:var(--text);line-height:1.45;}
.rel-body p{font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);
}
.rel-card:hover .rel-foot .date{color:var(--lime);}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:24px;bottom:24px;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,border-color .2s ease,color .2s ease;
  z-index:70;
}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:var(--lime);color:var(--lime);}

/* ============ 页脚 ============ */
.footer{border-top:1px solid var(--line);background:#0B0C10;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--text-2);line-height:1.9;max-width:320px;}
.footer h4{font-size:14px;color:var(--text);margin-bottom:16px;}
.footer ul{display:flex;flex-direction:column;gap:10px;}
.footer ul a{font-size:13.5px;color:var(--text-2);}
.footer ul a:hover{color:var(--lime);}
.footer-note{font-size:13.5px;color:var(--text-2);line-height:1.9;}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .nav-inner{padding:0 24px;gap:20px;}
  .nav-links{gap:18px;}
  .container{padding:0 24px;}
}
@media (max-width:1024px){
  .nav-links,.search{display:none;}
  .burger{display:flex;}
  .art-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .art-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .nav-inner{padding:0 20px;height:52px;}
  .btn{height:38px;padding:0 16px;font-size:14px;}
  .art-hero{padding:36px 0 32px;}
  .art-main{padding:32px 0 48px;}
  .paper{padding:20px;border-radius:16px;}
  .lede{font-size:16.5px;padding:16px 18px;margin-bottom:26px;}
  .article-body{font-size:16px;line-height:1.95;}
  .cta-strip{padding:20px;flex-direction:column;align-items:flex-start;}
  .pager{grid-template-columns:1fr;}
  .pager .pager-back{grid-column:span 1;}
  .art-side{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .footer{padding:40px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .back-top{right:16px;bottom:80px;}
}
@media (max-width:480px){
  .art-hero h1{font-size:25px;}
  .art-meta{font-size:12.5px;gap:8px 12px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg:#0E0F13;
  --panel:#16181F;
  --panel-2:#1C1F27;
  --line:#2A2E38;
  --text:#EDEFF3;
  --text-2:#A3A9B5;
  --text-3:#6E7481;
  --lime:#C8F135;
  --coral:#FF6A3D;
  --cyan:#3ED2C0;
  --paper:#F6F4EF;
  --r-card:16px;
  --r-poster:18px;
  --r-btn:12px;
  --r-input:10px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --sh-soft:0 10px 28px rgba(0,0,0,.32);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.section{padding:58px 0}
.img-broken{opacity:0}

/* ---------- 导航 ---------- */
.header{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg,rgba(14,15,19,.88),rgba(14,15,19,0));
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.header.is-scrolled{
  background:#0E0F13;
  border-bottom-color:var(--line);
  box-shadow:0 10px 28px rgba(0,0,0,.5);
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:60px;display:flex;align-items:center;gap:26px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;flex-shrink:0;border-radius:4px;
  background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text b{font-size:16px;font-weight:700;color:var(--text)}
.logo-text span{font-size:11px;color:var(--text-2);letter-spacing:.04em}
.nav-links{display:flex;align-items:stretch;gap:2px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;height:60px}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{
  position:relative;display:flex;align-items:center;padding:0 12px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a.is-active{color:var(--text)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;flex-shrink:0}
.search input{
  width:200px;height:36px;padding:0 15px;
  background:var(--panel);border:1px solid var(--line);border-radius:999px;
  font-size:13.5px;color:var(--text);
  transition:width .28s var(--ease),border-color .2s,background .2s;
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{width:260px;outline:none;border-color:var(--lime);background:var(--panel-2)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:transform .18s var(--ease),background .2s,border-color .2s,color .2s,box-shadow .2s,filter .2s;
}
.btn-primary{background:var(--coral);color:#1A120E}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 3px rgba(255,106,61,.22)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-ghost:active{transform:scale(.98)}
.btn[disabled],.btn:disabled{opacity:.45;pointer-events:none}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  padding:11px 10px;flex-direction:column;justify-content:space-between;
  transition:border-color .2s;
}
.burger:hover{border-color:var(--lime)}
.burger i{display:block;height:2px;width:100%;background:var(--text-2);border-radius:2px}
.burger:hover i{background:var(--lime)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:#0E0F13;
  display:flex;flex-direction:column;padding:18px 20px 24px;
  transform:translateX(100%);visibility:hidden;
  transition:transform .3s var(--ease),visibility .3s;
}
.drawer.is-open{transform:none;visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  font-size:20px;line-height:1;color:var(--text-2);
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 0}
.drawer-nav a{
  height:52px;display:flex;align-items:center;
  font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--lime)}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px}
.drawer-foot .search input{width:100%;height:44px}
.drawer-foot .btn{height:48px;width:100%}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  padding:24px 0 0;font-size:13.5px;color:var(--text-3);
}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:#3B404C}

/* ---------- 页头 ---------- */
.cat-hero{padding:26px 0 4px}
.hero-split{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:999px;border:1px solid rgba(62,210,192,.42);color:var(--cyan);
  font-size:12.5px;letter-spacing:.04em;margin-bottom:16px;
}
h1{font-size:clamp(28px,4vw,44px);line-height:1.28;max-width:24ch;margin-bottom:18px}
.lead{font-size:16.5px;line-height:1.9;color:var(--text-2);max-width:760px;margin-bottom:14px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 24px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 13px;
  border-radius:999px;border:1px solid var(--line);background:var(--panel);
  font-size:12.5px;color:var(--text-2);
  transition:border-color .2s,color .2s,background .2s;
}
.chip:hover{border-color:rgba(200,241,53,.5);color:var(--lime)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.stat-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-soft);
}
.stat{display:flex;align-items:baseline;gap:12px;padding:12px 0}
.stat:not(:last-of-type){border-bottom:1px solid var(--line)}
.stat b{font-size:27px;line-height:1;color:var(--lime);font-weight:700}
.stat span{font-size:13.5px;color:var(--text-2)}
.stat-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.85;color:var(--text-3);
}

/* ---------- 板块标题 ---------- */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:26px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
  content:"";width:14px;height:3px;border-radius:2px;background:var(--lime);flex-shrink:0;
}
.section-head p{font-size:14.5px;color:var(--text-2);margin-top:10px;max-width:68ch}
.link-more{
  font-size:14px;color:var(--text-2);
  text-decoration:underline;text-decoration-color:var(--line);
  text-underline-offset:4px;transition:color .2s,text-decoration-color .2s;
}
.link-more:hover{color:var(--lime);text-decoration-color:var(--lime)}

/* ---------- 片段网格 ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;scroll-margin-top:80px}
.clip-card{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:2/3;border-radius:var(--r-poster);
  border:1px solid var(--line);
  background:linear-gradient(150deg,#1C1F27,#10131A 62%,rgba(200,241,53,.14));
  transition:transform .28s var(--ease),border-color .28s,box-shadow .28s;
}
.clip-card:hover,.clip-card:focus-visible{
  transform:translateY(-4px);
  border-color:rgba(200,241,53,.42);
  box-shadow:var(--sh);
}
.clip-card img{width:100%;height:100%;object-fit:cover;filter:grayscale(60%);transition:filter .45s var(--ease),transform .5s var(--ease)}
.clip-card:hover img{filter:grayscale(0);transform:scale(1.04)}
.clip-card .dur{
  position:absolute;top:10px;left:10px;height:22px;padding:0 8px;
  display:inline-flex;align-items:center;border-radius:6px;
  background:rgba(10,11,14,.7);font-size:12px;color:var(--text);
}
.clip-card .cap{
  position:absolute;left:0;right:0;bottom:0;padding:36px 14px 14px;
  background:linear-gradient(180deg,rgba(14,15,19,0),rgba(14,15,19,.92));
}
.clip-card .cap h3{
  font-size:15px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.clip-banner{
  position:relative;overflow:hidden;display:flex;align-items:flex-end;
  grid-column:span 2;grid-row:span 2;min-height:340px;
  border-radius:var(--r-poster);border:1px solid var(--line);
  background:linear-gradient(150deg,#1C1F27,#10131A 58%,rgba(200,241,53,.16));
  transition:transform .28s var(--ease),border-color .28s,box-shadow .28s;
}
.clip-banner:hover{transform:translateY(-4px);border-color:rgba(200,241,53,.42);box-shadow:var(--sh)}
.clip-banner img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(35%) brightness(.7);
  transition:filter .45s var(--ease),transform .5s var(--ease);
}
.clip-banner:hover img{filter:grayscale(0) brightness(.86);transform:scale(1.03)}
.clip-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,15,19,.12),rgba(14,15,19,.88));
}
.clip-banner-body{position:relative;z-index:2;padding:26px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;
  border:1px solid rgba(62,210,192,.45);color:var(--cyan);
  background:rgba(62,210,192,.08);
}
.clip-banner-body h3{font-size:clamp(19px,2.2vw,24px);line-height:1.34;margin:14px 0 10px;max-width:22ch}
.clip-banner-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:32ch}

/* ---------- 编号清单 ---------- */
.num-list{border-top:1px solid var(--line)}
.num-item{
  display:flex;align-items:center;gap:26px;padding:22px 16px;
  border-bottom:1px solid var(--line);
  transition:background .25s var(--ease),padding-left .25s var(--ease);
}
.num-item:hover{background:var(--panel);padding-left:24px}
.num{font-size:28px;font-weight:700;color:var(--lime);line-height:1;min-width:58px;flex-shrink:0}
.num-body h3{font-size:17px;margin-bottom:7px}
.num-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;max-width:66ch}
.num-link{
  margin-left:auto;flex-shrink:0;font-size:13.5px;color:var(--cyan);
  text-decoration:underline;text-decoration-color:rgba(62,210,192,.35);
  text-underline-offset:4px;transition:color .2s,text-decoration-color .2s;
}
.num-link:hover{color:var(--lime);text-decoration-color:var(--lime)}

/* ---------- 三步流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.flow-item{
  position:relative;padding:26px 22px 24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(200,241,53,.4);box-shadow:var(--sh)}
.flow-bar{height:3px;border-radius:2px;background:var(--line);overflow:hidden;margin-bottom:20px}
.flow-bar i{display:block;height:100%;background:var(--lime);border-radius:2px}
.flow-num{font-size:13px;color:var(--cyan);letter-spacing:.08em;margin-bottom:8px;display:block}
.flow-item h3{font-size:18px;margin-bottom:10px}
.flow-item p{font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- 提示对照 ---------- */
.tips{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
}
.tip-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:20px;
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.tip-row:last-child{border-bottom:0}
.tip-row:hover{background:var(--panel-2)}
.tip-q{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:600;line-height:1.6}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex-shrink:0}
.tip-a{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- FAQ ---------- */
.faq{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 24px;font-size:16px;font-weight:600;line-height:1.6;
  cursor:pointer;list-style:none;transition:background .2s var(--ease),color .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--panel-2);color:var(--lime)}
.faq summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--lime);flex-shrink:0;
  transition:transform .28s var(--ease);
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:880px}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
  padding:34px 32px;background:var(--panel);
  border:1px solid var(--line);border-left:4px solid var(--lime);border-radius:var(--r-card);
}
.cta-panel h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px}
.cta-panel p{font-size:14.5px;color:var(--text-2);line-height:1.85;max-width:70ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 其他栏目 ---------- */
.cat-links{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-link{
  display:block;padding:20px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.cat-link:hover{transform:translateY(-3px);border-color:rgba(200,241,53,.42);box-shadow:var(--sh-soft)}
.cat-link.is-current{border-color:rgba(62,210,192,.5)}
.cat-tag{display:inline-flex;height:24px;align-items:center;padding:0 10px;border-radius:999px;background:rgba(200,241,53,.12);color:var(--lime);font-size:12px;margin-bottom:12px}
.cat-link.is-current .cat-tag{background:rgba(62,210,192,.14);color:var(--cyan)}
.cat-link h3{font-size:16px;margin-bottom:8px}
.cat-link p{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* ---------- 页脚 ---------- */
.footer{margin-top:64px;padding:50px 0 24px;background:#0B0C10;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px}
.footer h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer ul li{margin-bottom:10px}
.footer a{font-size:14px;color:var(--text-2);transition:color .2s}
.footer a:hover{color:var(--lime)}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-3);max-width:40ch}
.footer-note{font-size:13.5px;line-height:1.9;color:var(--text-3)}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:40px;height:40px;border-radius:12px;
  background:var(--panel-2);border:1px solid var(--line);color:var(--text-2);
  display:grid;place-items:center;font-size:16px;
  opacity:0;pointer-events:none;
  transition:opacity .25s var(--ease),color .2s,border-color .2s,transform .2s;
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}

@media (min-width:769px){
  .drawer{display:none}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-inner{padding:0 24px}
  .search input{width:160px}
  .search input:focus{width:200px}
  .hero-split{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:span 3}
}
@media (max-width:900px){
  .cat-links{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px;height:52px;gap:14px}
  .nav-links{display:none}
  .nav-right .search{display:none}
  .nav-right .btn-primary{display:none}
  .burger{display:flex}
  .section{padding:44px 0}
  .clip-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .clip-banner{grid-column:span 2;grid-row:span 1;min-height:250px}
  .flow{grid-template-columns:1fr}
  .num-item{flex-direction:column;align-items:flex-start;gap:12px;padding:20px 10px}
  .num-item:hover{padding-left:14px}
  .num-link{margin-left:0}
  .tip-row{grid-template-columns:1fr;gap:10px;padding:18px}
  .cta-panel{grid-template-columns:1fr;padding:26px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-grid > div:last-child{grid-column:span 2}
  .footer{padding:40px 0 20px}
}
@media (max-width:520px){
  h1{font-size:27px}
  .lead{font-size:15.5px}
  .clip-grid{grid-template-columns:1fr}
  .clip-banner{grid-column:span 1;min-height:220px}
  .cat-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid > div:last-child{grid-column:span 1}
  .hero-actions .btn{flex:1 1 100%}
  .cta-actions .btn{flex:1 1 100%}
  .faq summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category2 */
:root{
  --lime:#C8F135;
  --coral:#FF6A3D;
  --teal:#3ED2C0;
  --bg:#0E0F13;
  --panel:#16181F;
  --panel-2:#1C1F27;
  --line:#2A2E38;
  --text:#EDEFF3;
  --text-2:#A3A9B5;
  --text-3:#6E7481;
  --paper:#F6F4EF;
  --paper-line:#E3DFD6;
  --r-card:16px;
  --r-btn:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --nav-h:60px;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button{font:inherit;color:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 导航 ---------- */
.header{
  position:sticky;top:0;z-index:80;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.header.is-scrolled{box-shadow:0 10px 26px rgba(0,0,0,.5);}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 32px;
  height:var(--nav-h);
  display:flex;align-items:center;gap:26px;
}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:28px;height:28px;flex:none;border-radius:7px;background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:700;}
.logo-text span{font-size:11px;letter-spacing:.04em;color:var(--text-2);}
.nav-links{display:flex;align-items:center;margin-left:10px;}
.nav-links a{
  display:flex;align-items:center;height:var(--nav-h);
  padding:0 13px;font-size:14.5px;color:var(--text-2);
  border-bottom:2px solid transparent;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.is-active{color:var(--text);border-bottom-color:var(--lime);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search input{
  height:36px;width:200px;padding:0 12px;
  background:var(--panel);border:1px solid var(--line);border-radius:10px;
  color:var(--text);font-size:14px;
  transition:width .25s ease,border-color .2s ease;
}
.search input::placeholder{color:var(--text-3);}
.search input:focus{width:260px;outline:none;border-color:var(--lime);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--coral);color:#161007;box-shadow:0 8px 20px rgba(255,106,61,.24);}
.btn-primary:hover{background:#ff7d55;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,61,.3),0 0 0 3px rgba(255,106,61,.22);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-lg{height:48px;padding:0 28px;font-size:15.5px;border-radius:999px;}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--panel);flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.burger i{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease;}
.burger.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.is-open i:nth-child(2){opacity:0;}
.burger.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:79;background:var(--bg);
  display:flex;flex-direction:column;
  padding:calc(var(--nav-h) + 20px) 24px calc(24px + env(safe-area-inset-bottom));
  transform:translateY(-102%);transition:transform .3s ease;
}
.drawer.is-open{transform:translateY(0);}
.drawer nav a{
  display:flex;align-items:center;height:52px;font-size:16px;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer nav a.is-active{color:var(--lime);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot input{
  height:44px;padding:0 14px;border-radius:10px;
  background:var(--panel);border:1px solid var(--line);color:var(--text);font-size:15px;
}
body.no-scroll{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li:not(:last-child)::after{content:"/";color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--lime);}
.crumb [aria-current]{color:var(--text);}

/* ---------- Hero ---------- */
.page-hero{
  padding:34px 0 52px;
  background:
    radial-gradient(900px 420px at 12% -20%,rgba(200,241,53,.12),transparent 62%),
    radial-gradient(700px 380px at 92% 0%,rgba(62,210,192,.08),transparent 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:40px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border:1px solid rgba(62,210,192,.5);border-radius:999px;
  color:var(--teal);font-size:12.5px;letter-spacing:.02em;margin-bottom:18px;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  margin-bottom:.5em;
}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-lead{max-width:760px;color:var(--text-2);font-size:16.5px;line-height:1.9;}
.hero-lead + .hero-lead{margin-top:.9em;}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 26px;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--teal);background:rgba(62,210,192,.05);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;border-top:1px solid var(--line);padding-top:20px;}
.fact{display:flex;flex-direction:column;gap:4px;}
.fact b{font-size:22px;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;}
.fact span{font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.hero-visual .frame{position:relative;aspect-ratio:4/5;background:linear-gradient(150deg,#232735,#0E0F13);}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .overlay{
  position:absolute;inset:auto 0 0 0;padding:20px;
  background:linear-gradient(to top,rgba(14,15,19,.94),rgba(14,15,19,0));
}
.hero-visual .overlay b{display:block;font-size:15px;margin-bottom:6px;}
.hero-visual .overlay span{font-size:13px;color:var(--text-2);}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section--tight{padding:40px 0;}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.sec-head-main{max-width:760px;}
.sec-title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.6vw,30px);}
.sec-title::before{content:"";width:14px;height:3px;border-radius:2px;background:var(--lime);flex:none;}
.sec-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
.text-link{
  color:var(--text);font-size:14.5px;border-bottom:1px solid var(--text-3);
  padding-bottom:3px;white-space:nowrap;
}
.text-link:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ---------- 编号大行清单 ---------- */
.num-list{border-top:1px solid var(--line);}
.num-row{
  display:grid;grid-template-columns:72px minmax(0,1fr) 168px;
  align-items:center;gap:26px;
  min-height:96px;padding:22px 10px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s ease,padding-left .22s ease,border-color .22s ease;
}
.num-row:hover{background:var(--panel);padding-left:20px;}
.num-row:hover .num-index{color:#d8ff5c;}
.num-index{
  font-size:30px;font-weight:700;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1;
}
.num-body h3{font-size:19px;margin-bottom:8px;}
.num-body p{color:var(--text-2);font-size:15px;line-height:1.75;}
.num-side{text-align:right;}

/* ---------- 图文准备区 ---------- */
.prep-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:44px;align-items:center;}
.prep-visual{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.prep-visual .frame{aspect-ratio:4/3;background:linear-gradient(150deg,#232735,#0E0F13);}
.prep-visual img{width:100%;height:100%;object-fit:cover;}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.check-list li:first-child{padding-top:0;}
.check-mark{
  flex:none;width:22px;height:22px;margin-top:6px;border-radius:6px;
  background:rgba(200,241,53,.14);border:1px solid rgba(200,241,53,.5);
  position:relative;
}
.check-mark::after{
  content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;
  border-right:2px solid var(--lime);border-bottom:2px solid var(--lime);transform:rotate(42deg);
}
.check-list b{display:block;font-size:16px;margin-bottom:6px;}
.check-list span{display:block;color:var(--text-2);font-size:14.5px;line-height:1.75;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.stat-cell{background:var(--panel);padding:28px 26px;}
.stat-cell b{display:block;font-size:30px;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-cell span{display:block;margin-top:8px;font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:16px;
  min-height:56px;padding:18px 6px;font-size:16.5px;font-weight:600;
  transition:color .2s ease,padding-left .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;color:var(--lime);font-size:22px;font-weight:400;line-height:1;
  transition:transform .25s ease;
}
.faq-item[open] summary{color:var(--lime);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{padding-left:14px;}
.faq-answer{padding:0 6px 22px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:820px;}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:44px;}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.pager a:hover{border-color:var(--lime);color:var(--lime);}
.pager .is-current{background:var(--lime);border-color:var(--lime);color:#0E0F13;font-weight:700;}

/* ---------- 分类入口块 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.cat-card{
  display:block;padding:24px 22px;min-height:150px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(200,241,53,.4);box-shadow:var(--shadow);background:var(--panel-2);}
.cat-card b{display:block;font-size:16.5px;margin-bottom:10px;}
.cat-card span{display:block;color:var(--text-2);font-size:14px;line-height:1.75;}
.cat-card i{
  display:block;margin-top:16px;font-style:normal;font-size:12.5px;color:var(--teal);letter-spacing:.02em;
}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:var(--r-card);padding:38px 36px;
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:28px;align-items:center;
}
.cta-panel h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:12px;}
.cta-panel p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}

/* ---------- 页脚 ---------- */
.footer{margin-top:24px;border-top:1px solid var(--line);background:#0B0C10;padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand p{margin-top:18px;color:var(--text-2);font-size:14px;line-height:1.85;max-width:340px;}
.footer h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer ul li{margin-bottom:11px;}
.footer ul a{color:var(--text-2);font-size:14px;}
.footer ul a:hover{color:var(--lime);}
.footer-note{color:var(--text-2);font-size:14px;line-height:1.85;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  color:var(--text-3);font-size:13px;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:40px;height:40px;border-radius:50%;
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .22s ease,border-color .2s ease;
}
.to-top.is-visible{opacity:1;pointer-events:auto;}
.to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container,.nav-inner{padding:0 24px;}
  .nav-links{display:none;}
  .search{display:none;}
  .burger{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{max-width:420px;}
  .prep-grid{grid-template-columns:1fr;gap:30px;}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{grid-template-columns:1fr;padding:30px 26px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .page-hero{padding:22px 0 40px;}
  .num-row{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:20px 6px;min-height:0;}
  .num-index{font-size:26px;}
  .num-side{grid-column:2;text-align:left;}
  .stat-strip{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .hero-facts{gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:0;}
  .footer-col{border-bottom:1px solid var(--line);}
  .footer-col h4{display:flex;align-items:center;justify-content:space-between;margin:0;padding:16px 0;cursor:pointer;}
  .footer-col h4::after{content:"+";color:var(--lime);font-size:18px;font-weight:400;}
  .footer-col.is-open h4::after{content:"–";}
  .footer-col ul{display:none;padding-bottom:14px;}
  .footer-col.is-open ul{display:block;}
  .footer-brand{border-bottom:1px solid var(--line);padding-bottom:22px;}
  .footer-brand p{margin-top:14px;}
}
@media (max-width:520px){
  .container,.nav-inner{padding:0 20px;}
  :root{--nav-h:52px;}
  .logo-text b{font-size:15px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-cell{padding:22px 20px;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --lime:#C8F135;
  --coral:#FF6A3D;
  --cyan:#3ED2C0;
  --bg:#0E0F13;
  --panel:#16181F;
  --panel-2:#1C1F27;
  --line:#2A2E38;
  --text:#EDEFF3;
  --text-2:#A3A9B5;
  --text-3:#6E7481;
  --paper:#F6F4EF;
  --paper-line:#E3DFD6;
  --r-card:16px;
  --r-media:18px;
  --r-btn:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-sm:0 10px 28px rgba(0,0,0,.32);
  --font:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit;letter-spacing:0}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:rgba(200,241,53,.28)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .sh-text{max-width:760px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--lime);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:14px;height:3px;border-radius:2px;background:var(--lime);
}
h2.sec-title{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.32;
  font-weight:700;
}
.sec-desc{
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
  margin-top:10px;
  max-width:760px;
}
.link-more{
  font-size:14px;
  color:var(--cyan);
  border-bottom:1px solid transparent;
  text-decoration:underline;
  text-underline-offset:3px;
  white-space:nowrap;
}
.link-more:hover{color:var(--lime);text-decoration-color:var(--lime)}

/* ============ 导航 ============ */
.header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:linear-gradient(180deg,rgba(14,15,19,.85),rgba(14,15,19,0));
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.header.is-scrolled{
  background:var(--bg);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.nav-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
  height:60px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:28px;height:28px;
  border-radius:8px;
  background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.01em}
.logo-text span{font-size:11px;letter-spacing:.04em;color:var(--text-2);margin-top:3px}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-right:auto;
}
.nav-links > a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:60px;
  padding:0 12px;
  font-size:14.5px;
  color:var(--text-2);
  transition:color .2s ease;
}
.nav-links > a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:14px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background .2s ease;
}
.nav-links > a:hover{color:var(--text)}
.nav-links > a:hover::after{background:rgba(200,241,53,.45)}
.nav-links > a.is-active{color:var(--text);font-weight:600}
.nav-links > a.is-active::after{background:var(--lime)}
.nav-links-foot{display:none}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search input{
  width:200px;
  height:38px;
  padding:0 14px;
  border-radius:10px;
  background:var(--panel);
  border:1px solid var(--line);
  color:var(--text);
  font-size:14px;
  transition:width .25s ease,border-color .2s ease,background .2s ease;
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{
  width:260px;
  outline:none;
  border-color:var(--lime);
  background:var(--panel-2);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  border:1px solid transparent;
  transition:filter .2s ease,transform .15s ease,border-color .2s ease,color .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98)}
.btn-primary{
  background:var(--coral);
  color:#1A1004;
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 3px rgba(255,106,61,.22);
}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--text);
}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn-lg{height:48px;padding:0 26px;font-size:15.5px;border-radius:999px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.burger{
  display:none;
  width:40px;height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.burger i{display:block;width:16px;height:1.5px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}

/* ============ 面包屑 ============ */
.crumb-bar{
  padding:96px 0 0;
  background:
    radial-gradient(900px 320px at 12% -10%,rgba(62,210,192,.10),transparent 60%),
    radial-gradient(700px 300px at 88% 0%,rgba(200,241,53,.10),transparent 62%);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{color:var(--line)}
.crumb .now{color:var(--lime)}

/* ============ Hero ============ */
.hero{
  padding:28px 0 8px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 380px;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.32;
  font-weight:800;
  letter-spacing:0;
}
.hero h1 em{color:var(--lime);font-style:normal}
.hero-sub{
  margin-top:18px;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text-2);
  max-width:760px;
}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--cyan);
  background:rgba(62,210,192,.05);
}
.chip.is-on{
  background:rgba(200,241,53,.14);
  border-color:rgba(200,241,53,.5);
  color:var(--lime);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  margin-top:34px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.stat-row div{font-size:13px;color:var(--text-3)}
.stat-row b{
  display:block;
  font-size:22px;
  font-weight:800;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  line-height:1.4;
}
.hero-media{
  position:relative;
  border-radius:var(--r-media);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  aspect-ratio:4/5;
  background:linear-gradient(140deg,#1C1F27,#0E0F13 70%);
}
.hero-media img{
  width:100%;height:100%;
  object-fit:cover;
  opacity:.92;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,15,19,.06),rgba(14,15,19,.82));
  pointer-events:none;
}
.hero-badge{
  position:absolute;
  left:18px;top:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(14,15,19,.7);
  border:1px solid var(--line);
  font-size:12.5px;
  color:var(--lime);
  backdrop-filter:blur(4px);
}
.hero-media .hero-note{
  position:absolute;
  left:18px;right:18px;bottom:18px;
  z-index:2;
  font-size:13.5px;
  line-height:1.8;
  color:var(--text-2);
}
.media-fallback{
  background:linear-gradient(140deg,rgba(200,241,53,.22),rgba(62,210,192,.14) 55%,#0E0F13);
}

/* ============ 杂志交错 ============ */
.mag{border-top:1px solid var(--line)}
.mag-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.mag-item:last-child{border-bottom:0}
.mag-item.rev .mag-media{order:2}
.mag-item.rev .mag-body{order:1}
.mag-media{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-media);
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(150deg,#1C1F27,#0E0F13 75%);
  box-shadow:var(--shadow-sm);
}
.mag-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease,filter .5s ease;
  filter:saturate(.95);
}
.mag-item:hover .mag-media img{transform:scale(1.03)}
.mag-media .media-tag{
  position:absolute;
  left:14px;bottom:14px;
  height:26px;
  display:inline-flex;
  align-items:center;
  padding:0 12px;
  border-radius:999px;
  background:rgba(14,15,19,.78);
  border:1px solid var(--line);
  font-size:12.5px;
  color:var(--cyan);
}
.mag-idx{
  font-size:13px;
  color:var(--lime);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  display:block;
  margin-bottom:12px;
}
.mag-body h3{
  font-size:clamp(19px,2.1vw,21px);
  line-height:1.4;
  font-weight:700;
  margin-bottom:14px;
}
.mag-body p{
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
  margin-bottom:10px;
}
.mag-body p:last-of-type{margin-bottom:0}
.mag-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.mag-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-3);
  line-height:1.8;
}
.mag-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  background:var(--lime);
  border-radius:1px;
  transform:rotate(45deg);
}

/* ============ 时间线 ============ */
.timeline{border-top:1px solid var(--line)}
.tl-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  margin-top:12px;
}
.tl-item{
  position:relative;
  padding:26px 24px 26px 30px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:0;top:18px;bottom:18px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--lime);
}
.tl-item:hover{
  transform:translateY(-4px);
  border-color:rgba(200,241,53,.4);
  box-shadow:var(--shadow-sm);
}
.tl-item h3{font-size:18px;font-weight:700;margin-bottom:10px}
.tl-item p{color:var(--text-2);font-size:15px;line-height:1.9}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq-list{
  max-width:860px;
  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:20px;
  min-height:56px;
  padding:14px 0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--lime)}
.faq-q .plus{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
  transition:transform .3s ease;
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";
  position:absolute;
  background:var(--lime);
  border-radius:2px;
}
.faq-q .plus::before{left:0;top:8px;width:18px;height:2px}
.faq-q .plus::after{top:0;left:8px;width:2px;height:18px}
.faq-item.is-open .plus{transform:rotate(45deg)}
.faq-a{
  overflow:hidden;
  max-height:0;
  transition:max-height .32s ease;
}
.faq-a p{
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
  padding:0 0 22px;
  max-width:760px;
}
.faq-item.is-open .faq-a{max-height:360px}

/* ============ CTA ============ */
.cta-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-left:4px solid var(--lime);
  border-radius:var(--r-card);
  padding:42px 40px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow-sm);
}
.cta-panel h2{
  font-size:clamp(21px,2.4vw,28px);
  line-height:1.34;
  font-weight:700;
}
.cta-panel p{
  margin-top:12px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
  max-width:720px;
}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;min-width:200px}

/* ============ 其他分类 + 分页 ============ */
.cat-links{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.cat-link{
  display:block;
  padding:24px 22px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cat-link:hover{
  transform:translateY(-4px);
  border-color:rgba(200,241,53,.4);
  box-shadow:var(--shadow-sm);
  background:var(--panel-2);
}
.cat-link .cl-idx{
  font-size:12.5px;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.cat-link h3{
  font-size:17px;
  font-weight:700;
  margin:10px 0 8px;
}
.cat-link p{font-size:14px;color:var(--text-3);line-height:1.8}
.cat-link.is-current{
  border-color:rgba(200,241,53,.55);
  background:rgba(200,241,53,.06);
}
.cat-link.is-current .cl-idx{color:var(--lime)}
.pager{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  margin-top:36px;
}
.pager a,.pager span{
  min-width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.pager a:hover{border-color:var(--lime);color:var(--lime)}
.pager .current{
  background:var(--lime);
  border-color:var(--lime);
  color:#14170A;
  font-weight:700;
}

/* ============ 页脚 ============ */
.footer{
  margin-top:72px;
  border-top:1px solid var(--line);
  background:var(--panel);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand p{
  margin-top:18px;
  color:var(--text-3);
  font-size:14px;
  line-height:1.9;
  max-width:340px;
}
.footer h4{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer ul{display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer ul a:hover{color:var(--lime)}
.footer-note{font-size:14px;color:var(--text-3);line-height:1.9}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.footer-accordion-toggle{display:none}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--panel-2);
  border:1px solid var(--line);
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  z-index:70;
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease,border-color .2s ease,color .2s ease,transform .15s ease;
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.to-top:active{transform:scale(.98)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-inner{padding:0 24px;gap:18px}
  .nav-links > a{padding:0 9px;font-size:14px}
  .search input{width:160px}
  .search input:focus{width:200px}
  .hero-grid{grid-template-columns:1fr 320px;gap:32px}
  .mag-item{gap:32px;padding:44px 0}
  .cat-links{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .tl-wrap{grid-template-columns:1fr;gap:18px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .nav-inner{height:52px;padding:0 20px;gap:12px}
  .nav-right .search{display:none}
  .nav-right .btn-primary{display:none}
  .burger{display:flex}
  .nav-links{
    position:fixed;
    inset:52px 0 0 0;
    background:var(--bg);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px 20px calc(24px + env(safe-area-inset-bottom));
    transform:translateY(-8px);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    overflow-y:auto;
    z-index:65;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:translateY(0)}
  body.nav-open{overflow:hidden}
  .nav-links > a{
    height:52px;
    padding:0 4px;
    font-size:16px;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .nav-links > a::after{display:none}
  .nav-links > a.is-active{color:var(--lime)}
  .nav-links-foot{
    display:flex;
    flex-direction:column;
    gap:14px;
    margin-top:20px;
  }
  .nav-links-foot input{
    width:100%;
    height:44px;
    padding:0 14px;
    border-radius:10px;
    background:var(--panel);
    border:1px solid var(--line);
    font-size:15px;
  }
  .nav-links-foot input:focus{outline:none;border-color:var(--lime)}
  .nav-links-foot .btn{width:100%;height:48px;border-radius:999px}
  body.nav-open .burger i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
  body.nav-open .burger i:nth-child(2){opacity:0}
  body.nav-open .burger i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

  .crumb-bar{padding-top:78px}
  .section{padding:52px 0}
  .section-tight{padding:36px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .hero{padding:18px 0 4px}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-media{aspect-ratio:4/5;max-height:62vh}
  .stat-row{gap:22px}
  .mag-item{grid-template-columns:1fr;gap:22px;padding:34px 0}
  .mag-item.rev .mag-media{order:0}
  .mag-item.rev .mag-body{order:0}
  .cta-panel{grid-template-columns:1fr;padding:30px 22px;gap:22px}
  .cat-links{grid-template-columns:1fr}
  .footer{padding-top:40px}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:24px}
  .footer h4{margin:0}
  .footer-col{border-bottom:1px solid var(--line)}
  .footer-col h4{min-height:56px;display:flex;align-items:center;justify-content:space-between}
  .footer-col h4::after{content:"+";color:var(--lime);font-weight:400}
  .footer-col ul{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .footer-col.is-open ul{max-height:260px;padding-bottom:18px}
  .footer-col.is-open h4::after{content:"–"}
  .footer-brand{padding-bottom:24px;border-bottom:1px solid var(--line)}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15.5px}
  .stat-row div b{font-size:19px}
  .hero-actions .btn{width:100%}
  .cta-actions{min-width:0}
  .cta-actions .btn{width:100%}
  .pager a,.pager span{padding:0 12px;min-width:34px;height:34px;font-size:13px}
}

/* roulang page: category4 */
:root{
  --bg:#0E0F13;
  --panel:#16181F;
  --panel-raised:#1C1F27;
  --line:#2A2E38;
  --lime:#C8F135;
  --coral:#FF6A3D;
  --cyan:#3ED2C0;
  --text:#EDEFF3;
  --text-2:#A3A9B5;
  --text-3:#6E7481;
  --paper:#F6F4EF;
  --radius-card:16px;
  --radius-portrait:18px;
  --radius-btn:12px;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --shadow-soft:0 10px 28px rgba(15,17,22,.08);
  --header-h:60px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:76px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head h2::before{content:"";display:inline-block;width:14px;height:3px;background:var(--lime);border-radius:2px;margin-right:12px;vertical-align:6px}
.section-head p{color:var(--text-2);font-size:14.5px;margin-top:10px;max-width:640px}
.link-more{color:var(--cyan);font-size:14.5px;text-decoration:underline;text-underline-offset:3px;transition:.2s}
.link-more:hover{color:var(--lime);text-decoration-color:var(--lime)}

/* ============ 顶部导航 ============ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--header-h);
  background:linear-gradient(to bottom,rgba(14,15,19,.8),rgba(14,15,19,0));
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.header.is-scrolled{background:#0E0F13;border-bottom-color:var(--line);box-shadow:0 10px 30px rgba(0,0,0,.5)}
.nav-inner{
  max-width:1200px;margin:0 auto;height:100%;padding:0 32px;
  display:flex;align-items:center;gap:26px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:28px;height:28px;flex:0 0 28px;background:var(--lime);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15.5px;font-weight:700;letter-spacing:.01em}
.logo-text span{font-size:11px;letter-spacing:.04em;color:var(--text-2)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:6px}
.nav-links a{
  position:relative;font-size:14.5px;color:var(--text-2);padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--text)}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.search input{
  width:200px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel);padding:0 14px;font-size:14px;color:var(--text);
  transition:width .25s ease,border-color .2s ease;
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{width:260px;border-color:var(--lime);outline:none}
.burger{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;align-items:center;border-radius:10px;border:1px solid var(--line)}
.burger i{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:.25s}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--coral);color:#14161B}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 3px rgba(255,106,61,.22)}
.btn-ghost{border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ============ 面包屑 / Hero ============ */
.crumb{
  padding:calc(var(--header-h) + 26px) 0 0;
  font-size:13.5px;color:var(--text-3);
}
.crumb a{color:var(--text-2);transition:color .2s}
.crumb a:hover{color:var(--lime)}
.crumb span{margin:0 8px;color:var(--text-3)}

.hero{padding:26px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{color:var(--text-2);font-size:16.5px;line-height:1.95;max-width:640px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:999px;
  border:1px solid var(--line);font-size:13px;color:var(--cyan);background:rgba(62,210,192,.05);
}
.chip.is-lime{color:var(--lime);border-color:rgba(200,241,53,.35);background:rgba(200,241,53,.06)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-media{position:relative}
.ratio-portrait{
  position:relative;width:100%;aspect-ratio:9/16;max-height:70vh;overflow:hidden;
  border-radius:var(--radius-portrait);border:1px solid var(--line);background:var(--panel);
}
.hero-media .ratio-portrait{aspect-ratio:4/5;max-height:62vh}
.ratio-portrait img{width:100%;height:100%;object-fit:cover}
.ratio-portrait::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,15,19,.72),rgba(14,15,19,0) 58%);
}
.hero-media .media-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(14,15,19,.78);border:1px solid var(--line);font-size:13px;color:var(--text);
}
.hero-media .media-tag b{color:var(--lime);font-variant-numeric:tabular-nums}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats div{font-size:13px;color:var(--text-3)}
.hero-stats strong{display:block;font-size:19px;color:var(--text);font-variant-numeric:tabular-nums}

/* ============ 要点区 ============ */
.points-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.point-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 26px 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.point-card:hover{transform:translateY(-4px);border-color:rgba(200,241,53,.4);box-shadow:var(--shadow)}
.point-card .idx{font-size:26px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1}
.point-card h3{font-size:19px;margin:14px 0 10px}
.point-card p{color:var(--text-2);font-size:15px;line-height:1.85}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:rgba(200,241,53,.35);background:var(--panel-raised)}
.faq-item summary{
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 22px;font-size:16.5px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--text-2);
  transition:transform .28s ease,color .28s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--lime)}
.faq-item summary:hover{color:var(--lime)}
.faq-body{padding:0 22px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9;max-width:780px}

/* ============ 对照表 ============ */
.compare{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--panel)}
.compare-head{display:grid;grid-template-columns:1.1fr 1fr 1fr;background:var(--panel-raised)}
.compare-row{display:grid;grid-template-columns:1.1fr 1fr 1fr;border-top:1px solid var(--line);transition:background .2s ease}
.compare-row:hover{background:#1A1D25}
.compare-head > div,.compare-row > div{padding:18px 22px;font-size:15px;line-height:1.8}
.compare-head > div{font-size:14px;color:var(--text-3);font-weight:600;letter-spacing:.02em}
.compare-head > div:not(:first-child),.compare-row > div:not(:first-child){border-left:1px solid var(--line)}
.compare-row > div:first-child{color:var(--text);font-weight:600}
.compare-row > div{color:var(--text-2)}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:30px;max-width:820px}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--lime),rgba(200,241,53,.15))}
.timeline li{position:relative;padding:0 0 30px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-30px;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--lime);
}
.timeline h3{font-size:18px;margin-bottom:8px}
.timeline p{color:var(--text-2);font-size:15px;line-height:1.85;max-width:680px}

/* ============ CTA ============ */
.cta-panel{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:44px 44px 44px 48px;overflow:hidden;
}
.cta-panel::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime)}
.cta-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px;align-items:center}
.cta-grid h2{font-size:clamp(21px,2.4vw,27px);margin-bottom:12px}
.cta-grid p{color:var(--text-2);font-size:15.5px;max-width:620px}
.cta-grid .actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}

/* ============ 其他分类 ============ */
.cat-links{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cat-links a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-links a:hover{transform:translateY(-4px);border-color:rgba(200,241,53,.4);box-shadow:var(--shadow)}
.cat-links strong{display:block;font-size:16.5px;margin-bottom:6px}
.cat-links span{font-size:13.5px;color:var(--text-3)}
.cat-links i{font-style:normal;color:var(--lime);font-size:18px}

/* ============ 页脚 ============ */
.footer{background:#0B0C10;border-top:1px solid var(--line);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p,.footer-note{color:var(--text-3);font-size:14px;line-height:1.9;max-width:340px}
.footer h4{font-size:14.5px;margin-bottom:16px;color:var(--text)}
.footer ul{display:grid;gap:11px}
.footer ul a{font-size:14px;color:var(--text-2);transition:color .2s}
.footer ul a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:40px;height:40px;border-radius:50%;
  background:var(--panel);border:1px solid var(--line);color:var(--text);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.25s ease;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--lime);color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-inner{padding:0 24px;gap:18px}
  .nav-links{gap:16px}
  .nav-links a{font-size:14px}
  .search input{width:150px}
  .search input:focus{width:190px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media .ratio-portrait{max-height:none;aspect-ratio:16/10}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  :root{--header-h:52px}
  .section{padding:56px 0}
  .nav-links{
    position:fixed;left:0;right:0;top:var(--header-h);bottom:0;z-index:60;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);padding:10px 20px 120px;overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line);color:var(--text)}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--lime)}
  .burger{display:flex}
  .nav-right .search,.nav-right .btn-primary{display:none}
  body.menu-open .nav-right .search,
  body.menu-open .nav-right .btn-primary{
    display:block;position:fixed;left:20px;right:20px;z-index:61;
  }
  body.menu-open .nav-right .search{bottom:84px}
  body.menu-open .nav-right .search input{width:100%;height:44px}
  body.menu-open .nav-right .btn-primary{bottom:24px;display:inline-flex;width:auto}
  body.menu-open{overflow:hidden}
  .hero{padding:20px 0 48px}
  .hero-stats{gap:20px}
  .points-grid{grid-template-columns:1fr}
  .compare-head,.compare-row{grid-template-columns:1fr}
  .compare-head > div:not(:first-child),.compare-row > div:not(:first-child){border-left:0;border-top:1px solid var(--line)}
  .compare-head > div:nth-child(2),.compare-head > div:nth-child(3){display:none}
  .cat-links{grid-template-columns:1fr}
  .cta-panel{padding:32px 24px 32px 28px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand p,.footer-note{max-width:none}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  body{font-size:16px}
  .hero h1{font-size:27px}
  .hero-lead{font-size:15.5px}
  .hero-media .ratio-portrait{aspect-ratio:4/3}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cta-grid .actions .btn{width:100%}
  .faq-item summary{font-size:15.5px;padding:14px 16px}
  .faq-body{padding:0 16px 18px}
}