/* roulang page: index */
:root{
  --brand:#E8501E;
  --brand-deep:#C23C10;
  --brand-soft:#FDEDE5;
  --accent:#0E9F86;
  --accent-soft:#E4F5F1;
  --score:#FFB020;
  --ink:#16181C;
  --ink-2:#4A5058;
  --ink-3:#8A9099;
  --line:#E4E0DA;
  --bg:#F7F5F2;
  --surface:#FFFFFF;
  --dark:#14161A;
  --r-card:12px;
  --r-btn:8px;
  --r-tag:6px;
  --r-hero:16px;
  --sh-1:0 1px 2px rgba(20,22,26,.06);
  --sh-2:0 8px 24px rgba(20,22,26,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (max-width:639px){.container{padding:0 20px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 12px rgba(20,22,26,.07);}
.topbar{border-bottom:1px solid var(--line);height:68px;transition:height .2s ease;}
.site-header.is-scrolled .topbar{height:52px;}
.topbar-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:100%;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.brand-name b{color:var(--brand);font-weight:800;}
.top-tools{display:flex;align-items:center;gap:14px;}
.search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--bg);
  transition:border-color .18s ease,background-color .18s ease,width .2s ease;
}
.search svg{flex:0 0 auto;stroke:var(--ink-3);}
.search:focus-within{border-color:var(--brand);background:#fff;}
.search input{
  border:0;background:transparent;outline:none;width:168px;
  font-size:14px;color:var(--ink);
}
.search input::placeholder{color:var(--ink-3);}
.hot-tags{display:flex;align-items:center;gap:8px;}
.hot-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:500;
  white-space:nowrap;transition:background-color .18s ease,color .18s ease;
}
.hot-tag:hover{background:var(--accent);color:#fff;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;}
.mainnav{height:52px;transition:height .2s ease;}
.site-header.is-scrolled .mainnav{height:46px;}
.mainnav-row{display:flex;align-items:stretch;gap:26px;height:100%;}
.nav-link{
  display:inline-flex;align-items:center;height:100%;
  font-size:15px;font-weight:600;color:var(--ink-2);
  border-bottom:2px solid transparent;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease;
  padding:0 2px;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--ink);border-bottom-color:var(--brand);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  transform:translateX(101%);transition:transform .24s ease;
  display:flex;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;background:#fff;
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-link{
  display:flex;align-items:center;height:56px;font-size:18px;font-weight:700;
  border-bottom:1px solid var(--line);color:var(--ink-2);
}
.drawer-link.is-active{color:var(--brand);}
.drawer-hot{margin-top:26px;}
.drawer-hot-title{display:block;font-size:13px;color:var(--ink-3);margin-bottom:12px;}

@media (max-width:1023px){
  .hot-tags{display:none;}
  .search input{width:120px;}
}
@media (max-width:767px){
  .search{display:none;}
  .nav-toggle{display:flex;}
  .mainnav{display:none;}
  .topbar{height:60px;}
  .site-header.is-scrolled .topbar{height:56px;}
  .brand-name{font-size:17px;}
}

/* ============ 通用组件 ============ */
.section{padding:48px 0;}
@media (min-width:768px){.section{padding:80px 0;}}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px;}
.sec-head h2{font-size:26px;margin-top:12px;}
@media (min-width:768px){.sec-head h2{font-size:28px;}}
.sec-note{font-size:15px;color:var(--ink-3);max-width:420px;line-height:1.75;}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;
}
.eyebrow-light{background:rgba(255,255,255,.12);color:var(--score);}
.textlink{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:15px;font-weight:600;
  transition:color .18s ease,gap .18s ease;
}
.textlink:hover{color:var(--brand);gap:10px;text-decoration:underline;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--ink-3);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.38);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-1px);}
.btn:disabled{background:var(--ink-3);color:#fff;cursor:not-allowed;border-color:transparent;transform:none;box-shadow:none;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:500;white-space:nowrap;
}
.tag-score{background:#FFF6E4;color:#B87A05;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D8D2CA;}

/* ============ Hero ============ */
.hero{background:var(--surface);border-bottom:1px solid var(--line);position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:96px;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(232,80,30,.08) 0 8px,transparent 8px 18px);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1fr;gap:36px;
  padding-top:44px;padding-bottom:48px;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:76px;}
}
.hero h1{
  font-size:30px;margin:18px 0 16px;letter-spacing:-.015em;
}
@media (min-width:768px){.hero h1{font-size:40px;}}
@media (min-width:1280px){.hero h1{font-size:44px;}}
.hero-sub{font-size:16px;color:var(--ink-2);line-height:1.85;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;
  margin-top:34px;padding-top:26px;border-top:1px solid var(--line);
}
@media (min-width:768px){.stats{grid-template-columns:repeat(4,1fr);}}
.stats li b{
  display:block;font-size:24px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.stats li span{display:block;font-size:13px;color:var(--ink-3);margin-top:2px;}
.hero-media{border-radius:var(--r-hero);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* 信任条 */
.trustbar{border-bottom:1px solid var(--line);background:var(--bg);}
.trustbar-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;padding:16px 0;}
.trustbar-label{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;}
.trust-item{font-size:13px;color:var(--ink-3);display:inline-flex;align-items:center;gap:8px;}
.trust-item::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--line);}

/* ============ 痛点区 ============ */
.pain-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){
  .pain-grid{grid-template-columns:repeat(12,1fr);gap:24px;}
  .pain-1{grid-column:span 7;}
  .pain-2{grid-column:span 5;}
  .pain-3{grid-column:span 5;margin-top:24px;}
  .pain-4{grid-column:span 7;margin-top:24px;}
}
.pain-card{padding:24px;border-radius:var(--r-card);}
.pain-icon{
  width:42px;height:42px;border-radius:10px;background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.pain-icon svg{stroke:var(--accent);}
.pain-card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.pain-card p{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ============ 解决方案步骤 ============ */
.steps{display:flex;flex-direction:column;gap:44px;}
.step{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;}
@media (min-width:1024px){
  .step{grid-template-columns:1fr 1fr;gap:52px;}
  .step.is-reverse .step-copy{order:2;}
  .step.is-reverse .step-media{order:1;}
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:21px;margin:16px 0 12px;}
.step p{font-size:16px;color:var(--ink-2);line-height:1.85;margin-bottom:16px;}
.step-media{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.step-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ 深色成果带 ============ */
.band{position:relative;background:var(--dark);color:#fff;padding:52px 0;overflow:hidden;}
@media (min-width:768px){.band{padding:64px 0;}}
.band::before,.band::after{
  content:"";position:absolute;top:0;bottom:0;width:110px;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.09) 0 8px,transparent 8px 18px);
}
.band::before{left:0;}
.band::after{right:0;}
.band .sec-head{position:relative;z-index:1;margin-bottom:34px;}
.band h2{color:#fff;font-size:26px;}
.band-stats{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:640px){.band-stats{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.band-stats{grid-template-columns:repeat(4,1fr);gap:32px;}}
.band-stats li b{
  display:block;font-size:38px;font-weight:800;color:var(--score);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
@media (min-width:768px){.band-stats li b{font-size:44px;}}
.band-stats li span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;line-height:1.7;}

/* ============ 频道入口 ============ */
.channel-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.channel-grid{grid-template-columns:1fr 1fr;}}
.channel-card{overflow:hidden;display:flex;flex-direction:column;}
.channel-card .ch-media{overflow:hidden;}
.channel-card .ch-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.channel-card:hover .ch-media img{transform:scale(1.03);}
.ch-body{padding:22px 24px 24px;}
.ch-body h3{font-size:20px;}
.ch-body p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:12px 0 16px;}
.ch-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}

/* ============ 最新动态 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){.news-grid{grid-template-columns:7fr 5fr;gap:24px;}}
.news-side{display:flex;flex-direction:column;gap:20px;}
.news-lead,.news-mini{display:flex;overflow:hidden;color:inherit;}
.news-lead{flex-direction:column;}
.news-mini{flex-direction:row;align-items:stretch;}
.news-media{overflow:hidden;flex:0 0 auto;}
.news-lead .news-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.news-mini .news-media{width:150px;}
.news-mini .news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-lead:hover .news-media img,.news-mini:hover .news-media img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.news-lead h3{font-size:20px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:15px;color:var(--ink-2);line-height:1.75;}
.news-lead p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);flex-wrap:wrap;}
@media (max-width:767px){
  .news-mini .news-media{width:110px;}
}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:220px;max-height:320px;padding:32px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);
}
.empty-state svg{stroke:var(--ink-3);}
.empty-state p{font-size:15px;color:var(--ink-3);}

/* ============ 证言 ============ */
.quote-track{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.quote-track{grid-template-columns:repeat(3,1fr);}}
.quote-card{padding:24px;display:flex;flex-direction:column;gap:16px;}
.quote-mark{
  width:36px;height:36px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;line-height:1;
  padding-top:8px;
}
.quote-card p{font-size:15px;color:var(--ink-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 auto;
}
.quote-person b{display:block;font-size:14px;font-weight:600;}
.quote-person span{display:block;font-size:13px;color:var(--ink-3);}
@media (max-width:767px){
  .quote-track{grid-auto-flow:column;grid-auto-columns:82%;grid-template-columns:none;
    overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .quote-track > *{scroll-snap-align:start;}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:var(--brand);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;border-left:3px solid transparent;
  transition:border-color .18s ease,background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-soft);}
.faq-item[open] summary{border-left-color:var(--brand);}
.faq-item summary::after{
  content:"＋";font-size:16px;color:var(--ink-3);flex:0 0 auto;transition:transform .18s ease;
}
.faq-item[open] summary::after{content:"－";color:var(--brand);}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ============ 终局 CTA ============ */
.cta-band{position:relative;background:var(--dark);color:#fff;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:130px;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.10) 0 8px,transparent 8px 18px);
}
.cta-inner{
  position:relative;z-index:1;padding:52px 0;display:flex;flex-direction:column;gap:22px;
}
@media (min-width:1024px){
  .cta-inner{padding:64px 0;flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
}
.cta-inner h2{font-size:26px;color:#fff;}
@media (min-width:768px){.cta-inner h2{font-size:30px;}}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);margin-top:12px;max-width:640px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.74);border-top:1px solid #24272C;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:34px;padding:52px 0 40px;
}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.35fr .8fr .8fr 1.15fr;gap:44px;}}
.footer-brand .brand-name{color:#fff;font-size:19px;}
.footer-brand .brand-name b{color:var(--brand);}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:14px;color:rgba(255,255,255,.62);}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.66);transition:color .18s ease;}
.footer-col a:hover{color:var(--score);}
.sub-row{display:flex;gap:8px;}
.sub-row input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid #33373D;background:#1B1E23;color:#fff;font-size:14px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-row input::placeholder{color:rgba(255,255,255,.38);}
.sub-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.15);}
.sub-row input.is-error{border-color:var(--brand-deep);}
.sub-row .btn{height:44px;padding:0 18px;}
.form-msg{font-size:13px;margin-top:10px;min-height:18px;line-height:1.6;}
.form-msg.is-error{color:#FF8A65;}
.form-msg.is-ok{color:#5BD6BE;}
.footer-bottom{border-top:1px solid #24272C;}
.footer-bottom-row{
  display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;
  padding:18px 0;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom-row a{color:rgba(255,255,255,.62);}
.footer-bottom-row a:hover{color:var(--score);}

/* roulang page: article */
:root{
  --brand:#E8501E;
  --brand-deep:#C23C10;
  --brand-soft:#FDEDE5;
  --accent:#0E9F86;
  --accent-soft:#E4F5F1;
  --score:#FFB020;
  --ink:#16181C;
  --ink-2:#4A5058;
  --ink-3:#8A9099;
  --line:#E4E0DA;
  --bg:#F7F5F2;
  --surface:#FFFFFF;
  --dark:#14161A;
  --r-card:12px;
  --r-btn:8px;
  --r-tag:6px;
  --r-hero:16px;
  --shadow-1:0 1px 2px rgba(20,22,26,.06);
  --shadow-2:0 8px 24px rgba(20,22,26,.10);
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.005em;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;
}
button{font:inherit;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.35em;}
li{margin-bottom:.5em;line-height:1.8;}
table{border-collapse:collapse;width:100%;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-1);}
.brand-row{
  display:flex;align-items:center;gap:24px;
  min-height:68px;transition:min-height .2s ease;
}
.site-header.is-stuck .brand-row{min-height:54px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:8px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:0;
}
.brand-name{font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-name b{color:var(--brand);font-weight:800;}
.brand-tools{display:flex;align-items:center;gap:16px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box svg{width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:1.75;}
.search-box input{border:0;outline:0;width:190px;background:transparent;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.12);}
.hot-tags{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;}
.hot-tags::-webkit-scrollbar{display:none;}
.hot-tag{
  flex:0 0 auto;height:26px;padding:0 12px;border-radius:var(--r-tag);
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;line-height:26px;font-weight:600;
}
.hot-tag:hover{background:var(--accent);color:#fff;}
.menu-toggle{
  display:none;height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;font-weight:600;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mainnav{border-top:1px solid var(--line);background:#fff;}
.mainnav-row{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;}
.mainnav-row::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;flex:0 0 auto;
  padding:15px 16px;font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-tag) var(--r-tag) 0 0;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;
}
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  padding:24px 20px;overflow-y:auto;
}
.drawer-close{
  position:absolute;top:16px;right:20px;height:40px;padding:0 16px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;
}
.drawer-title{font-size:13px;color:var(--ink-3);margin:32px 0 8px;letter-spacing:.08em;}
.drawer a.drawer-link{
  display:block;font-size:18px;font-weight:600;line-height:56px;
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link:hover,.drawer a.drawer-link.is-active{color:var(--brand);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ---------- breadcrumb ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{margin:0 8px;color:var(--line);}
.crumb .now{color:var(--ink-2);}

/* ---------- article ---------- */
.page-head{padding:28px 0 32px;border-bottom:1px solid var(--line);}
.channel-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);margin-bottom:12px;
}
.channel-tag::before{content:"";width:3px;height:15px;background:var(--brand);border-radius:2px;}
.page-head h1{
  font-size:32px;font-weight:800;line-height:1.4;max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:16px;font-size:13px;color:var(--ink-3);
}
.meta-row .dot{color:var(--line);}
.meta-row time{font-variant-numeric:tabular-nums;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:600;
}
.pill.is-hot{background:#FFF4E0;color:#B27600;}

.article-cover{
  margin-top:28px;border-radius:var(--r-hero);overflow:hidden;
  border:1px solid var(--line);background:#fff;
  aspect-ratio:16/9;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;align-items:start;
  padding:44px 0 8px;
}
.article-main{min-width:0;max-width:800px;}

.article-body{font-size:17px;line-height:1.85;color:var(--ink);}
.article-body > * + *{margin-top:1.2em;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:28px;font-weight:800;line-height:1.4;
  margin:2em 0 .8em;padding-left:12px;border-left:4px solid var(--brand);
}
.article-body h3{font-size:20px;font-weight:700;margin:1.8em 0 .7em;}
.article-body h4{font-size:17px;font-weight:700;margin:1.6em 0 .6em;}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(14,159,134,.35);}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body img{border-radius:var(--r-card);margin:1.6em 0;width:100%;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--accent-soft);border-left:3px solid var(--accent);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.35em;}
.article-body ul li::marker,.article-body ol li::marker{color:var(--accent);font-weight:700;}
.article-body table{font-size:15px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left;}
.article-body thead th{background:var(--bg);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FBFAF8;}
.table-scroll{overflow-x:auto;margin:1.6em 0;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px;
}

.article-foot{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.share-row{display:flex;gap:12px;align-items:center;}
.share-row span{font-size:13px;color:var(--ink-3);}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .18s ease,transform .18s ease;
}
.icon-btn svg{width:20px;height:20px;stroke:var(--ink-2);fill:none;stroke-width:1.75;}
.icon-btn:hover{border-color:var(--brand);transform:translateY(-1px);}
.icon-btn:hover svg{stroke:var(--brand);}

.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state h2{font-size:22px;font-weight:800;margin-bottom:12px;}
.empty-state p{color:var(--ink-2);max-width:520px;margin:0 auto 24px;font-size:15px;}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:15px;font-weight:800;margin-bottom:12px;}
.rank-list{list-style:none;margin:0;padding:0;}
.rank-list li{margin:0;}
.rank-list a{
  display:flex;gap:12px;align-items:center;min-height:48px;
  padding:8px 10px;border-radius:var(--r-tag);
  font-size:14px;color:var(--ink-2);line-height:1.5;
}
.rank-list a:hover{background:var(--brand-soft);color:var(--brand);}
.rank-list .idx{
  flex:0 0 22px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;font-size:14px;
}
.side-links{display:flex;flex-direction:column;gap:4px;}
.side-links a{
  display:block;padding:10px 12px;border-radius:var(--r-tag);
  font-size:14px;color:var(--ink-2);
}
.side-links a:hover{background:var(--brand-soft);color:var(--brand);}
.side-note{font-size:13px;color:var(--ink-3);line-height:1.7;margin:0;}

/* ---------- related ---------- */
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-label{
  display:inline-block;height:24px;line-height:24px;padding:0 10px;
  border-radius:var(--r-tag);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;margin-bottom:12px;
}
.section-head h2{font-size:28px;font-weight:800;}
.text-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.text-link::after{content:"→";transition:transform .18s ease;}
.text-link:hover{color:var(--brand);}
.text-link:hover::after{transform:translateX(3px);}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6D1C9;}
.card-thumb{aspect-ratio:16/9;overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0;}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-top:auto;}

.back-row{display:flex;justify-content:flex-start;padding:0 0 56px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;border-radius:var(--r-hero);
  padding:48px 40px;margin:0 0 64px;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:96px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.10) 0 6px,rgba(255,255,255,0) 6px 14px);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:28px;font-weight:800;max-width:640px;}
.cta-band p{color:rgba(255,255,255,.75);max-width:620px;margin:12px 0 24px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:#fff;transform:translateY(-1px);}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;}
.footer-brand .brand-name{color:#fff;font-size:19px;}
.footer-brand .brand-name b{color:var(--brand);}
.footer-brand p{font-size:14px;line-height:1.8;margin:14px 0 0;max-width:360px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--brand);}
.sub-form{margin-top:4px;}
.sub-row{display:flex;gap:8px;}
.sub-row input{
  flex:1;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.sub-row input::placeholder{color:rgba(255,255,255,.45);}
.sub-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.22);}
.sub-row .btn{height:44px;background:var(--brand);color:#fff;}
.sub-row .btn:hover{background:var(--brand-deep);}
.form-msg{font-size:13px;margin:8px 0 0;color:var(--brand);min-height:18px;}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:860px){
  .brand-tools .hot-tags{display:none;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .brand-tools{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;margin-left:auto;}
  .mainnav{display:none;}
  .brand-row{min-height:60px;}
  .page-head h1{font-size:26px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:36px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band::before{width:56px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{height:48px;width:100%;}
  .cta-actions .btn{width:100%;}
  .sub-row{flex-direction:column;}
  .sub-row .btn{width:100%;}
  .back-row .btn{width:auto;}
}
@media (max-width:520px){
  .brand-name{font-size:17px;}
  .page-head{padding:20px 0 24px;}
  .crumb{font-size:12px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#E8501E;--brand-deep:#C23C10;--brand-soft:#FDEDE5;
  --accent:#0E9F86;--accent-soft:#E4F5F1;--score:#FFB020;
  --ink:#16181C;--ink-2:#4A5058;--ink-3:#8A9099;
  --line:#E4E0DA;--bg:#F7F5F2;--surface:#FFFFFF;--dark:#14161A;
  --r-card:12px;--r-btn:8px;--r-tag:6px;--r-hero:16px;
  --sh-1:0 1px 2px rgba(20,22,26,.06);
  --sh-2:0 8px 24px rgba(20,22,26,.10);
  --num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-family:var(--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(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 24px rgba(232,80,30,.24)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-light:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(20,22,26,.07)}
.topbar{padding-top:14px;padding-bottom:14px;transition:padding .2s ease}
.site-header.is-scrolled .topbar{padding-top:6px;padding-bottom:6px}
.topbar-row{display:flex;align-items:center;gap:16px;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:800}
.brand-text b{color:var(--brand)}
.topbar-actions{display:flex;align-items:center;gap:12px;min-width:0}
.search{display:flex;align-items:center;gap:8px;height:40px;width:260px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.12)}
.search i{color:var(--ink-3);font-size:14px}
.search input{width:100%;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.hotwords{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none}
.hotwords::-webkit-scrollbar{display:none}
.hotword{flex:0 0 auto;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-tag);background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600;transition:background .18s ease}
.hotword:hover{background:#d2ece5}
.menu-toggle{display:none;align-items:center;gap:6px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink);font-size:14px;font-weight:600;cursor:pointer}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.mainnav{border-top:1px solid var(--line);background:#fff}
.mainnav-row{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.mainnav-row::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:color .18s ease,background .18s ease}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--brand)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:#fff;transform:translateX(100%);transition:transform .28s ease;display:none;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer nav{display:grid;margin:14px 0}
.drawer nav a{font-size:18px;font-weight:600;line-height:56px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.drawer nav a.is-active{color:var(--brand)}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.drawer .search{width:100%;margin-top:18px}

/* ---------- Hero ---------- */
.page-hero{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;background:repeating-linear-gradient(45deg,rgba(232,80,30,.55) 0 6px,transparent 6px 12px)}
.page-hero::after{content:"";position:absolute;right:-120px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(232,80,30,.22),transparent 68%)}
.page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding-top:64px;padding-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-tag);background:rgba(232,80,30,.18);color:#FFB99B;font-size:13px;font-weight:700;letter-spacing:.04em}
.page-hero h1{margin:18px 0 14px;font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-.01em;line-height:1.32}
.lead{max-width:56ch;color:rgba(255,255,255,.76);font-size:16px;line-height:1.85}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.page-hero-figure{margin:0}
.page-hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-hero);border:1px solid rgba(255,255,255,.16)}
.hero-stats{border-top:1px solid rgba(255,255,255,.12);position:relative;z-index:1}
.hero-stats-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding-top:22px;padding-bottom:22px}
.stat b{display:block;font-family:var(--num);font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--score);letter-spacing:-.01em}
.stat span{font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- 筛选条 ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--line)}
.filter-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{height:34px;padding:0 14px;border-radius:var(--r-btn);border:1px solid transparent;background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease}
.tab:hover{background:#fbdbcb}
.tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.sort{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.sort-item{cursor:pointer;color:var(--ink-2);transition:color .18s ease}
.sort-item:hover,.sort-item.is-active{color:var(--brand)}

/* ---------- 通用板块 ---------- */
.section{padding-top:56px;padding-bottom:56px}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:24px}
.num-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);background:var(--brand-soft);color:var(--brand);font-family:var(--num);font-size:13px;font-weight:800}
.section-head h2{font-size:26px;font-weight:800;letter-spacing:-.01em}
.section-desc{flex:1 1 100%;color:var(--ink-2);font-size:15px;max-width:76ch}

/* ---------- 主体布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.layout-side{position:sticky;top:132px;display:grid;gap:20px}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9d3cb}
.card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px}
.card-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.card-body h3 a{transition:color .18s ease}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{color:var(--ink-2);font-size:15px;line-height:1.75;margin-bottom:14px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-tag);background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600}
.tag-score{background:#FFF4DE;color:#B57600}

/* ---------- 侧栏 ---------- */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--brand)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:var(--r-tag);background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:all .18s ease}
.tag-cloud a:hover{background:var(--accent-soft);border-color:#bfe4dc;color:var(--accent)}
.rhythm{display:grid;gap:12px}
.rhythm li{display:grid;grid-template-columns:64px 1fr;gap:12px;font-size:14px;color:var(--ink-2);padding-bottom:12px;border-bottom:1px dashed var(--line)}
.rhythm li:last-child{border-bottom:0;padding-bottom:0}
.rhythm b{color:var(--brand);font-family:var(--num);font-size:13px;font-weight:800}
.side-card .btn{width:100%;margin-top:14px}

/* ---------- 步骤条带 ---------- */
.step-list{display:grid;gap:14px}
.step{display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px 22px;transition:transform .2s ease,box-shadow .2s ease}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-num{font-family:var(--num);font-variant-numeric:tabular-nums;font-size:20px;font-weight:800;color:var(--brand)}
.step h3{font-size:18px;font-weight:700;margin-bottom:6px}
.step p{color:var(--ink-2);font-size:15px}

/* ---------- 横向场景卡 ---------- */
.scroll-row{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px;scrollbar-width:thin}
.scroll-row::-webkit-scrollbar{height:6px}
.scroll-row::-webkit-scrollbar-thumb{background:#ddd7cf;border-radius:6px}
.scene{flex:0 0 268px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;transition:transform .2s ease,box-shadow .2s ease}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene i{color:var(--accent);font-size:22px}
.scene h3{font-size:17px;font-weight:700;margin:12px 0 8px}
.scene p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:28px}
.pager a,.pager span{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:14px;color:var(--ink-2);transition:all .18s ease}
.pager a:hover{background:var(--brand-soft);border-color:#f5ccb8}
.pager .is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.pager .is-disabled{color:var(--ink-3);cursor:not-allowed}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:0 20px;transition:border-color .18s ease}
.faq details[open]{border-color:#f1c4ae}
.faq summary{display:flex;align-items:center;gap:12px;padding:18px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";width:3px;height:18px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity .18s ease}
.faq details[open] summary::before{opacity:1}
.faq summary::after{content:"+";margin-left:auto;color:var(--brand);font-size:20px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 0 20px 15px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--dark);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:12px;background:repeating-linear-gradient(45deg,rgba(232,80,30,.5) 0 6px,transparent 6px 12px)}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding-top:48px;padding-bottom:48px}
.cta-inner h2{font-size:26px;font-weight:800;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.7);font-size:15px;max-width:60ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;padding-top:56px;padding-bottom:36px}
.footer-brand .brand-name{display:inline-block;color:#fff;font-size:18px;font-weight:800}
.footer-brand .brand-name b{color:var(--brand)}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.68);transition:color .18s ease}
.footer-col a:hover{color:var(--brand)}
.sub-form{margin-top:6px}
.sub-row{display:flex;gap:8px}
.sub-form input{flex:1;min-width:0;height:44px;padding:0 12px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;font-size:14px;outline:0;transition:border-color .18s ease,box-shadow .18s ease}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.18)}
.form-msg{margin-top:8px;min-height:18px;font-size:13px;color:#FFB99B}
.form-msg.is-error{color:#FF9B7A}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:18px;padding-bottom:18px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom-row a{color:rgba(255,255,255,.72)}
.footer-bottom-row a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .page-hero-grid{grid-template-columns:1fr;gap:26px;padding-top:44px}
  .layout{grid-template-columns:1fr;gap:28px}
  .layout-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px}
  .search{display:none}
  .hotwords{display:none}
  .menu-toggle{display:inline-flex}
  .drawer{display:flex}
  .brand{font-size:17px}
  .card-grid{grid-template-columns:1fr}
  .section{padding-top:44px;padding-bottom:44px}
  .section-head h2{font-size:22px}
  .page-hero h1{font-size:28px}
  .hero-stats-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .stat b{font-size:22px}
  .step{grid-template-columns:44px 1fr;padding:18px}
  .cta-inner{padding-top:36px;padding-bottom:36px}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr;padding-top:40px;padding-bottom:26px}
  .scroll-row{scroll-snap-type:x mandatory}
}
@media (max-width:520px){
  .page-hero-actions .btn,.cta-actions .btn{width:100%}
  .pager a,.pager span{min-width:36px;height:36px;font-size:13px}
}

/* roulang page: category2 */
:root{
    --brand:#E8501E;
    --brand-deep:#C23C10;
    --brand-soft:#FDEDE5;
    --accent:#0E9F86;
    --accent-soft:#E4F5F1;
    --score:#FFB020;
    --ink:#16181C;
    --ink-2:#4A5058;
    --ink-3:#8A9099;
    --line:#E4E0DA;
    --bg:#F7F5F2;
    --surface:#FFFFFF;
    --dark:#14161A;
    --radius-card:12px;
    --radius-btn:8px;
    --radius-tag:6px;
    --radius-lg:16px;
    --shadow-sm:0 1px 2px rgba(20,22,26,.06);
    --shadow-lg:0 8px 24px rgba(20,22,26,.10);
    --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16.5px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
  p{margin:0 0 1.2em}
  ul,ol{margin:0;padding:0;list-style:none}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

  /* ============ 按钮 / 标签 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--radius-btn);
    font-weight:600;font-size:15px;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  }
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-lg)}
  .btn-primary:active{transform:scale(.98)}
  .btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--ink-3);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
  .btn-ghost:active{transform:scale(.98)}
  .btn-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
  .btn-light:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-1px)}
  .link-more{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px}
  .link-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
  .chip{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:var(--radius-tag);background:var(--accent-soft);color:var(--accent);
    font-size:13px;font-weight:600;letter-spacing:.01em;
  }
  .chip-brand{background:var(--brand-soft);color:var(--brand)}
  .chip-score{background:#FFF6E4;color:#B47600}
  .pill{
    display:inline-flex;align-items:center;height:34px;padding:0 14px;
    border-radius:999px;background:var(--accent-soft);color:var(--accent);
    font-size:13.5px;font-weight:600;border:1px solid transparent;transition:all .2s ease;
  }
  .pill:hover{background:#d5efea;border-color:var(--accent)}

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.97);
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 2px 12px rgba(20,22,26,.07)}
  .header-top{
    display:flex;align-items:center;gap:16px;height:68px;
    transition:height .2s ease;
  }
  .site-header.is-scrolled .header-top{height:54px}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:34px;height:34px;border-radius:8px;background:var(--brand);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;
    font-weight:800;font-size:17px;letter-spacing:0;
  }
  .brand-name{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
  .brand-name b{color:var(--brand);font-weight:800}
  .header-tools{margin-left:auto;display:flex;align-items:center;gap:10px;min-width:0}
  .hot-tags{display:flex;gap:8px;overflow-x:auto;padding:4px 0;scrollbar-width:none}
  .hot-tags::-webkit-scrollbar{display:none}
  .hot-tag{
    display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
    background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600;white-space:nowrap;
    transition:background-color .2s ease,color .2s ease;
  }
  .hot-tag:hover{background:var(--brand-soft);color:var(--brand)}
  .icon-btn{
    width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--line);
    background:var(--surface);display:inline-flex;align-items:center;justify-content:center;
    cursor:pointer;transition:all .2s ease;flex:0 0 auto;
  }
  .icon-btn:hover{border-color:var(--brand);color:var(--brand)}
  .search-form{display:flex;align-items:center;gap:8px}
  .search-form input{
    height:38px;width:240px;padding:0 12px;border-radius:var(--radius-btn);
    border:1px solid var(--line);background:var(--surface);font-size:14.5px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.12)}
  .menu-btn{display:none}
  .mainnav{border-top:1px solid var(--line)}
  .mainnav-row{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
  .mainnav-row::-webkit-scrollbar{display:none}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:48px;padding:0 16px;
    font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
    transition:background-color .2s ease,color .2s ease;
  }
  .nav-link::after{
    content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
    background:transparent;border-radius:2px;transition:background-color .2s ease;
  }
  .nav-link:hover{background:var(--brand-soft);color:var(--brand)}
  .nav-link.is-active{color:var(--brand)}
  .nav-link.is-active::after{background:var(--brand)}

  /* 移动抽屉 */
  .drawer{position:fixed;inset:0;z-index:80;background:var(--surface);display:flex;flex-direction:column;padding:20px}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
  .drawer-nav{display:flex;flex-direction:column;margin-top:12px}
  .drawer-nav a{font-size:18px;font-weight:600;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line)}
  .drawer-nav a.is-active{color:var(--brand)}
  .drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
  .drawer[hidden]{display:none}

  /* ============ Hero ============ */
  .hero-guide{background:var(--bg);border-bottom:1px solid var(--line)}
  .hero-band{height:6px;background:var(--brand)}
  .hero-inner{padding:48px 0 44px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
    letter-spacing:.08em;color:var(--brand);text-transform:uppercase;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block;border-radius:2px}
  .hero-guide h1{font-size:40px;font-weight:800;margin:14px 0 16px;max-width:820px;letter-spacing:-.02em}
  .hero-lead{max-width:760px;color:var(--ink-2);font-size:16.5px;margin-bottom:22px}
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
  .hero-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
  .hero-meta-item{display:flex;flex-direction:column}
  .hero-meta-item strong{font-size:24px;font-weight:800;color:var(--brand);line-height:1.2}
  .hero-meta-item span{font-size:13px;color:var(--ink-3)}

  /* ============ 主体布局 ============ */
  .guide-layout{display:grid;grid-template-columns:minmax(230px,3fr) minmax(0,9fr);gap:40px;padding:52px 0 20px;align-items:start}
  .guide-aside{position:sticky;top:130px}
  .aside-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:20px;box-shadow:var(--shadow-sm);
  }
  .aside-card + .aside-card{margin-top:20px}
  .aside-title{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--ink-3);margin-bottom:12px}
  .toc{display:flex;flex-direction:column}
  .toc a{
    position:relative;display:block;padding:10px 0 10px 16px;font-size:15px;font-weight:600;
    color:var(--ink-2);border-radius:6px;transition:color .2s ease,background-color .2s ease;
  }
  .toc a::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
    background:transparent;transition:background-color .2s ease;
  }
  .toc a:hover{color:var(--brand);background:var(--brand-soft)}
  .toc a.is-current{color:var(--brand)}
  .toc a.is-current::before{background:var(--brand)}
  .aside-faq details{border-bottom:1px solid var(--line)}
  .aside-faq details:last-child{border-bottom:none}
  .aside-faq summary{
    cursor:pointer;list-style:none;position:relative;padding:12px 0 12px 14px;
    font-size:14px;font-weight:600;color:var(--ink-2);
  }
  .aside-faq summary::-webkit-details-marker{display:none}
  .aside-faq summary::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
    background:transparent;transition:background-color .2s ease;
  }
  .aside-faq details[open] summary{color:var(--brand)}
  .aside-faq details[open] summary::before{background:var(--brand)}
  .aside-faq p{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin:0 0 14px 14px}

  /* ============ 章节条带 ============ */
  .sec-head{
    display:flex;align-items:flex-start;gap:14px;
    background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);
    border-radius:8px;padding:16px 20px;margin:34px 0 6px;
  }
  .sec-head:first-child{margin-top:0}
  .sec-num{font-size:15px;font-weight:800;color:var(--brand);line-height:1.6}
  .sec-head h2{font-size:22px;font-weight:800}
  .sec-head p{margin:4px 0 0;font-size:14.5px;color:var(--ink-2)}

  /* ============ 横向列表行 ============ */
  .rowlist{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm)}
  .rowitem{
    display:flex;gap:20px;padding:20px;border-bottom:1px solid var(--line);
    transition:background-color .2s ease;
  }
  .rowitem:last-child{border-bottom:none}
  .rowitem:hover{background:var(--bg)}
  .rowitem:hover .rowitem-title{color:var(--brand)}
  .rowitem:hover .thumb img{transform:scale(1.04)}
  .thumb{
    flex:0 0 160px;width:160px;height:100px;border-radius:8px;overflow:hidden;
    background:var(--bg);border:1px solid var(--line);
  }
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
  .rowitem-body{min-width:0;flex:1}
  .rowitem-title{font-size:18px;font-weight:700;transition:color .2s ease}
  .rowitem-title a{display:block}
  .rowitem-desc{color:var(--ink-2);font-size:15px;margin:8px 0 12px;line-height:1.75}
  .rowmeta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
  .rowmeta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);display:inline-block}
  .rowitem-link{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
    color:var(--accent);margin-top:4px;
  }
  .rowitem-link:hover{color:var(--brand)}

  /* ============ 阅读顺序 ============ */
  .order-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:14px}
  .order-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .order-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#d8d2ca}
  .order-card .idx{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.06em}
  .order-card h3{font-size:18px;font-weight:700;margin:10px 0 8px}
  .order-card p{font-size:14.5px;color:var(--ink-2);margin:0}
  .order-card .line{height:3px;width:36px;background:var(--accent);border-radius:3px;margin-top:16px}

  /* ============ FAQ ============ */
  .faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 22px;box-shadow:var(--shadow-sm)}
  .faq{border-bottom:1px solid var(--line)}
  .faq:last-child{border-bottom:none}
  .faq summary{
    cursor:pointer;list-style:none;position:relative;
    padding:18px 0 18px 20px;font-size:16px;font-weight:600;
    transition:color .2s ease;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::before{
    content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:2px;
    background:transparent;transition:background-color .2s ease;
  }
  .faq summary::after{
    content:"";position:absolute;right:4px;top:50%;width:9px;height:9px;margin-top:-6px;
    border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
    transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;
  }
  .faq[open] summary{color:var(--brand)}
  .faq[open] summary::before{background:var(--brand)}
  .faq[open] summary::after{transform:rotate(-135deg);border-color:var(--brand);margin-top:-2px}
  .faq .answer{padding:0 0 18px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

  /* ============ CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;background:var(--dark);color:#fff;
    border-radius:var(--radius-lg);padding:44px 40px;margin:56px 0 12px;
  }
  .cta-band::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:120px;
    background:repeating-linear-gradient(45deg,rgba(255,255,255,.08) 0 8px,transparent 8px 26px);
    pointer-events:none;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
    border:1px solid rgba(255,255,255,.12);pointer-events:none;
  }
  .cta-inner{position:relative;z-index:1;max-width:720px}
  .cta-band h2{font-size:28px;font-weight:800;margin-bottom:12px}
  .cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:24px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ============ 订阅区 ============ */
  .subscribe{
    background:var(--brand-soft);border:1px solid #f6dbcd;border-radius:var(--radius-card);
    padding:28px;margin:36px 0 0;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  }
  .subscribe h2{font-size:20px;font-weight:800;margin-bottom:6px}
  .subscribe p{margin:0;font-size:14.5px;color:var(--ink-2)}
  .subscribe form{display:flex;gap:10px;flex-wrap:wrap}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--dark);color:#c8ccd2;margin-top:64px;padding-top:52px}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:36px}
  .footer-brand .brand-name{color:#fff;font-size:18px}
  .footer-brand .brand-name b{color:var(--brand)}
  .footer-brand p{font-size:14px;color:#9aa1a9;line-height:1.85;margin:14px 0 0}
  .footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
  .footer-col a{display:block;font-size:14.5px;color:#a9b0b8;padding:5px 0;transition:color .2s ease}
  .footer-col a:hover{color:var(--brand)}
  .sub-form{max-width:320px}
  .sub-row{display:flex;gap:8px}
  .sub-row input{
    flex:1;min-width:0;height:44px;padding:0 12px;border-radius:var(--radius-btn);
    border:1px solid #2c3037;background:#1c1f25;color:#fff;font-size:14.5px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .sub-row input::placeholder{color:#767d86}
  .sub-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.18)}
  .form-msg{font-size:13px;margin:8px 0 0;min-height:18px;color:#9aa1a9}
  .form-msg.is-error{color:#ff8b6a}
  .form-msg.is-ok{color:#5fd0b8}
  .footer-bottom{border-top:1px solid #23262b;padding:18px 0}
  .footer-bottom-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#828991}
  .footer-bottom-row a{color:#828991}
  .footer-bottom-row a:hover{color:var(--brand)}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .hero-guide h1{font-size:32px}
    .guide-layout{grid-template-columns:1fr;gap:28px;padding-top:36px}
    .guide-aside{position:static;top:auto}
    .order-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    .order-grid{gap:16px}
  }
  @media (max-width:767px){
    body{font-size:16px}
    .container{padding:0 20px}
    .hot-tags{display:none}
    .search-form input{width:170px}
    .menu-btn{display:inline-flex}
    .hero-inner{padding:34px 0 30px}
    .hero-guide h1{font-size:28px}
    .hero-lead{font-size:15.5px}
    .hero-meta{gap:18px}
    .hero-meta-item strong{font-size:20px}
    .rowitem{gap:14px;padding:16px}
    .thumb{flex:0 0 96px;width:96px;height:64px}
    .rowitem-title{font-size:16.5px}
    .rowitem-desc{
      font-size:14.5px;margin:6px 0 10px;
      display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    }
    .rowitem-link{display:none}
    .sec-head{padding:14px 16px}
    .sec-head h2{font-size:19px}
    .cta-band{padding:30px 22px}
    .cta-band h2{font-size:22px}
    .subscribe{padding:22px}
    .faq-wrap{padding:4px 16px}
    .footer-grid{grid-template-columns:1fr;gap:24px}
    .btn{height:48px}
  }
  @media (max-width:520px){
    .search-form input{width:130px}
    .brand-name{font-size:16px}
    .hero-guide h1{font-size:26px}
    .hero-actions .btn{flex:1 1 100%}
  }
  section[id]{scroll-margin-top:130px}

.subscribe-form{display:flex;flex-direction:column}
  .subscribe .sub-row input{
    height:44px;padding:0 12px;border-radius:var(--radius-btn);
    border:1px solid #eccdbe;background:#fff;font-size:14.5px;min-width:200px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .subscribe .sub-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(232,80,30,.15)}
  .subscribe .form-msg{color:var(--ink-2)}
  .subscribe .form-msg.is-error{color:var(--brand-deep)}
  .subscribe .form-msg.is-ok{color:#0b7b68}
  @media (max-width:520px){
    .subscribe .sub-row{flex-direction:column}
    .subscribe .sub-row input{width:100%}
  }