/* roulang page: index */
:root{
  --ink:#0E0A1A;
  --ink-2:#241A3D;
  --primary:#6C2BD9;
  --primary-hover:#8A4BF0;
  --primary-soft:#F1EBFC;
  --lime:#2BE0A8;
  --lime-soft:#E3FBF2;
  --lime-deep:#0E7A56;
  --orange:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#1A1526;
  --muted:#5B5470;
  --disabled:#9A94AC;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --shadow:0 6px 24px rgba(14,10,26,.08);
  --shadow-hover:0 12px 32px rgba(108,43,217,.18);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --bs-body-bg:#F7F6FB;
  --bs-body-color:#1A1526;
  --bs-body-font-family:var(--font-sans);
  --bs-border-radius:12px;
  --bs-link-color:#6C2BD9;
  --bs-link-hover-color:#8A4BF0;
  --bs-primary:#6C2BD9;
  --bs-primary-rgb:108,43,217;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:28px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-hover);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.mono{font-family:var(--font-mono);}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-c svg{width:16px;height:16px;flex:none;}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#1FCE97;color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 20px rgba(43,224,168,.28);}
.btn-purple{background:var(--primary);color:#fff;}
.btn-purple:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(108,43,217,.28);}
.btn-outline-light-c{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-outline-light-c:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px);}
.btn-outline-dark-c{background:#fff;border-color:var(--line);color:var(--text);}
.btn-outline-dark-c:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-c[disabled]{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--ink);
  border-bottom:1px solid transparent;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.site-header.is-stuck{border-bottom:1px solid rgba(43,224,168,.45);}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--primary-hover));
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(43,224,168,.55);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-sub{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.16em;font-family:var(--font-mono);}
.nav-desktop{display:flex;align-items:center;gap:28px;}
.nav-link-c{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:10px;color:rgba(255,255,255,.78);font-size:15px;font-weight:500;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link-c:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-link-c.active{background:var(--primary);color:#fff;}
.nav-link-c.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime);}
.nav-toggle svg{width:20px;height:20px;}
.nav-drawer{
  position:fixed;inset:0;z-index:1050;background:rgba(14,10,26,.985);
  padding:24px 20px;display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;transition:transform .24s ease,visibility .24s ease;
}
.nav-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime);}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{margin-top:20px;display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;color:rgba(255,255,255,.82);font-size:16px;
  padding-left:14px;border-left:2px solid transparent;
}
.drawer-nav a:hover{color:#fff;}
.drawer-nav a.active{color:#fff;border-left-color:var(--lime);background:rgba(108,43,217,.22);}
.drawer-tip{margin-top:auto;font-size:13px;color:rgba(255,255,255,.45);line-height:22px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;background:var(--ink);color:#fff;
  padding:88px 0 72px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-120px;right:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(108,43,217,.42),rgba(14,10,26,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--lime) 55%,rgba(43,224,168,0));
}
.hero-copy{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 10px;
  border-radius:var(--r-badge);background:rgba(43,224,168,.12);
  border:1px solid rgba(43,224,168,.4);color:var(--lime);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.hero-tag svg{width:13px;height:13px;}
.hero h1{
  margin-top:20px;
  font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.02em;color:#fff;
}
.hero-sub{
  margin-top:18px;font-size:16px;line-height:29px;color:rgba(255,255,255,.74);max-width:520px;
}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{
  margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:rgba(255,255,255,.55);
}
.hero-note span{display:inline-flex;align-items:center;gap:7px;}
.hero-note i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
.hero-visual{position:relative;z-index:2;}
.hero-visual::before{
  content:"";position:absolute;top:-14px;left:-14px;width:70px;height:70px;
  border-top:3px solid var(--lime);border-left:3px solid var(--lime);
  border-top-left-radius:20px;pointer-events:none;
}
.hero-figure{
  border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--ink-2);}
.hero-figure-cap{
  margin-top:14px;font-size:13px;line-height:22px;color:rgba(255,255,255,.5);
}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--paper);}
.section-white{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-bottom:40px;
}
.section-title{
  position:relative;padding-left:14px;font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.01em;color:var(--text);
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;width:3px;height:18px;border-radius:2px;background:var(--lime);
}
.section-desc{margin-top:10px;padding-left:14px;font-size:15px;line-height:26px;color:var(--muted);max-width:640px;}
.section-more{
  font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;
}
.section-more:hover{gap:10px;color:var(--primary-hover);}
.section-more svg{width:14px;height:14px;transition:transform .18s ease;}

/* ---------- 编号目录 ---------- */
.catalog{border-top:1px solid var(--line);}
.catalog-item{
  display:flex;align-items:center;gap:20px;min-height:64px;padding:12px 16px 12px 0;
  border-bottom:1px solid var(--line);color:var(--text);
  transition:background-color .18s ease,padding-left .18s ease;
}
.catalog-item:hover{background:#F4F1FC;padding-left:10px;color:var(--text);}
.catalog-num{
  font-family:var(--font-mono);font-size:14px;color:var(--primary);
  width:36px;flex:none;letter-spacing:.04em;
}
.catalog-body{flex:1;min-width:0;}
.catalog-name{font-size:17px;font-weight:600;line-height:26px;color:var(--text);}
.catalog-desc{font-size:14px;line-height:22px;color:var(--muted);margin-top:2px;}
.catalog-arrow{flex:none;color:var(--disabled);transition:transform .18s ease,color .18s ease;}
.catalog-arrow svg{width:18px;height:18px;}
.catalog-item:hover .catalog-arrow{transform:translateX(3px);color:var(--primary);}

/* ---------- 精选条目卡片 ---------- */
.entry-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(108,43,217,.3);}
.entry-thumb{margin:0;}
.entry-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDEAF7;}
.entry-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:600;line-height:18px;
}
.badge-new{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  background:rgba(255,122,69,.12);color:#C4491B;font-size:12px;font-weight:600;
}
.entry-title{margin-top:14px;font-size:17px;line-height:26px;font-weight:600;color:var(--text);}
.entry-title a{color:var(--text);}
.entry-title a:hover{color:var(--primary);}
.entry-text{margin-top:10px;font-size:14px;line-height:23px;color:var(--muted);flex:1;}
.entry-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.entry-date{font-family:var(--font-mono);font-size:12px;color:var(--disabled);letter-spacing:.02em;}
.entry-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:5px;}
.entry-link svg{width:13px;height:13px;}
.entry-link:hover{gap:8px;}

/* ---------- 最新信息 ---------- */
.cms-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(108,43,217,.3);}
.cms-title{margin-top:14px;font-size:17px;line-height:26px;font-weight:600;}
.cms-title a{color:var(--text);}
.cms-title a:hover{color:var(--primary);}
.cms-desc{margin-top:10px;font-size:14px;line-height:23px;color:var(--muted);flex:1;}
.cms-meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.cms-meta time{font-family:var(--font-mono);font-size:12px;color:var(--disabled);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:48px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{width:44px;height:44px;color:var(--disabled);margin:0 auto 14px;}
.empty-state p{font-size:15px;line-height:26px;}
.empty-state a{display:inline-block;margin-top:10px;font-weight:600;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(108,43,217,.3);}
.step-num{
  font-family:var(--font-mono);font-size:13px;color:var(--lime-deep);
  background:var(--lime-soft);border-radius:var(--r-badge);
  display:inline-flex;align-items:center;height:26px;padding:0 10px;letter-spacing:.06em;
}
.step-title{margin-top:16px;font-size:17px;line-height:26px;font-weight:600;}
.step-text{margin-top:8px;font-size:14px;line-height:23px;color:var(--muted);}

/* ---------- 相关推荐 ---------- */
.rec-item{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:14px;height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rec-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(108,43,217,.3);}
.rec-thumb{width:82px;height:82px;flex:none;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;background:#EDEAF7;}
.rec-body{min-width:0;}
.rec-title{margin-top:8px;font-size:15px;line-height:24px;font-weight:600;color:var(--text);}
.rec-title a{color:var(--text);}
.rec-title a:hover{color:var(--primary);}
.rec-meta{margin-top:6px;font-size:12px;color:var(--disabled);font-family:var(--font-mono);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);background:#fff;transition:background-color .18s ease;}
.faq-item.is-open{background:var(--paper);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;gap:14px;min-height:52px;padding:14px 16px 14px 14px;
  font-size:16px;font-weight:600;line-height:26px;color:var(--text);
}
.faq-q::before{content:"";width:2px;height:18px;border-radius:2px;background:var(--lime);flex:none;}
.faq-q span{flex:1;}
.faq-sign{
  width:22px;height:22px;flex:none;border-radius:50%;border:1px solid var(--line);color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;transition:all .18s ease;
}
.faq-item.is-open .faq-sign{background:var(--primary);border-color:var(--primary);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .28s ease;
}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a-inner{padding:0 44px 20px 30px;font-size:15px;line-height:26px;color:var(--muted);}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--ink-2);border-top:1px solid var(--lime);
  padding:40px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-title{font-size:22px;line-height:32px;font-weight:700;color:#fff;}
.cta-text{margin-top:8px;font-size:15px;line-height:26px;color:rgba(255,255,255,.7);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer-name{font-size:16px;font-weight:700;color:#fff;}
.footer-about{font-size:14px;line-height:24px;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;line-height:22px;color:rgba(255,255,255,.62);display:inline-block;
  transition:color .18s ease,transform .18s ease;
}
.footer-links a:hover{color:var(--lime);transform:translateX(2px);}
.footer-info{font-size:14px;line-height:24px;color:rgba(255,255,255,.6);}
.footer-info strong{color:rgba(255,255,255,.82);font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .mono{font-family:var(--font-mono);}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:var(--lime);border:1px solid rgba(43,224,168,.5);
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1040;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary);color:#fff;}
.to-top svg{width:18px;height:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .wrap{max-width:1140px;}
}
@media (max-width:1199.98px){
  .wrap{max-width:960px;}
  .hero h1{font-size:34px;line-height:44px;}
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .wrap{max-width:100%;padding:0 20px;}
  .nav-desktop{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;}
  .section{padding:72px 0;}
  .hero{padding:64px 0 56px;}
  .hero h1{font-size:30px;line-height:40px;}
  .hero-sub{font-size:15px;line-height:27px;}
  .section-title{font-size:24px;line-height:32px;}
  .section-title::before{top:5px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .hero h1{font-size:28px;line-height:36px;}
  .hero::before{width:340px;height:340px;top:-90px;right:-120px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .catalog-item{gap:14px;}
  .catalog-name{font-size:16px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-c{flex:1 1 auto;}
  .faq-a-inner{padding:0 20px 18px 30px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-sub{display:none;}
  .hero-actions .btn-c{width:100%;}
  .rec-thumb{width:68px;height:68px;}
  .to-top{right:14px;bottom:14px;}
}

/* roulang page: article */
:root{
  --ink:#0E0A1A;
  --deep:#241A3D;
  --primary:#6C2BD9;
  --primary-h:#8A4BF0;
  --lime:#2BE0A8;
  --lime-deep:#0F7A5A;
  --orange:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#1A1526;
  --muted:#5B5470;
  --faint:#9A94AC;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 6px 24px rgba(14,10,26,.08);
  --sh-hover:0 12px 32px rgba(108,43,217,.18);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --tr:.18s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--primary-h);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.mono{font-family:var(--mono);}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (max-width:1399.98px){.wrap{max-width:1140px;}}
@media (max-width:1199.98px){.wrap{max-width:960px;}}
@media (max-width:991.98px){.wrap{max-width:100%;padding:0 20px;}}
@media (max-width:575.98px){.wrap{padding:0 16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--ink);
  border-bottom:1px solid rgba(43,224,168,.45);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(108,43,217,.35);
  border:1px solid rgba(43,224,168,.45);
  flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;color:#fff;}
.brand-sub{font-size:10px;letter-spacing:.14em;color:var(--lime);font-family:var(--mono);}
.nav-desktop{display:flex;align-items:center;gap:28px;}
.nav-link-c{
  position:relative;
  font-size:15px;font-weight:500;color:#CFC9E2;
  padding:9px 14px;border-radius:10px;
  transition:background var(--tr),color var(--tr);
}
.nav-link-c:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-link-c.active{background:var(--primary);color:#fff;}
.nav-link-c.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;
}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  color:#fff;cursor:pointer;transition:background var(--tr);
}
.nav-toggle:hover{background:rgba(255,255,255,.14);}
.nav-toggle svg{width:22px;height:22px;}
.nav-drawer{
  position:fixed;inset:0;z-index:220;
  background:rgba(14,10,26,.99);
  padding:18px 20px 32px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  visibility:hidden;
  transition:transform .22s ease,visibility .22s ease;
}
.nav-drawer.open{transform:translateX(0);visibility:visible;}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px;}
.nav-drawer-head .brand-name{font-size:16px;}
.nav-close{
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.nav-drawer-links{display:flex;flex-direction:column;margin-top:14px;}
.nav-drawer-links a{
  position:relative;
  display:flex;align-items:center;height:48px;
  padding-left:16px;font-size:16px;color:#DED9EE;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.nav-drawer-links a::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;
  background:transparent;border-radius:2px;
}
.nav-drawer-links a.active{color:#fff;}
.nav-drawer-links a.active::before{background:var(--lime);}
@media (max-width:991.98px){
  .nav-desktop{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;}
  .brand-sub{display:none;}
}

/* ---------- breadcrumb + article hero ---------- */
.article-hero{
  background:linear-gradient(180deg,var(--ink) 0%,var(--deep) 100%);
  color:#fff;
  padding:30px 0 44px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9E97B6;}
.crumb a{color:#CFC9E2;}
.crumb a:hover{color:var(--lime);}
.crumb .sep{color:#6B6390;}
.crumb .cur{color:var(--lime);}
.badge-cat{
  display:inline-block;margin-top:18px;
  padding:3px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:18px;font-weight:600;
  background:rgba(108,43,217,.28);color:#D9C8FF;
  border:1px solid rgba(138,75,240,.5);
}
.article-title{
  margin-top:14px;
  font-size:34px;line-height:46px;font-weight:700;letter-spacing:-.02em;color:#fff;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:18px;font-size:14px;color:#B4ADC9;}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block;margin-right:8px;vertical-align:middle;}
@media (max-width:767.98px){
  .article-hero{padding:20px 0 32px;}
  .article-title{font-size:26px;line-height:36px;}
}

/* ---------- layout ---------- */
.main-area{padding:56px 0 72px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;}
@media (min-width:1200px){
  .layout{grid-template-columns:minmax(0,1fr) 280px;}
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:34px 38px 40px;
  max-width:860px;
}
@media (max-width:991.98px){.article-card{padding:26px 22px 30px;}}
@media (max-width:575.98px){.article-card{padding:22px 16px 26px;}}
.prose{font-size:17px;line-height:30px;color:var(--text);max-width:760px;}
.prose p{margin:0 0 16px;}
.prose h2{
  position:relative;
  font-size:26px;line-height:36px;font-weight:700;
  margin:34px 0 14px;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:7px;width:3px;height:22px;
  background:var(--lime);border-radius:2px;
}
.prose h3{
  position:relative;
  font-size:20px;line-height:28px;font-weight:700;
  margin:26px 0 12px;padding-left:18px;
}
.prose h3::before{
  content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--primary);
}
.prose h4{font-size:17px;line-height:26px;margin:20px 0 10px;}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px;}
.prose ul li{list-style:disc;margin:6px 0;}
.prose ol li{list-style:decimal;margin:6px 0;}
.prose a{color:var(--primary);border-bottom:1px solid rgba(108,43,217,.35);}
.prose a:hover{color:var(--primary-h);border-bottom-color:var(--primary-h);}
.prose img{border-radius:var(--r-img);border:1px solid var(--line);margin:20px 0 10px;}
.prose blockquote{
  margin:20px 0;padding:14px 18px;
  border-left:3px solid var(--primary);
  background:#F2EDFC;border-radius:0 12px 12px 0;
  color:var(--muted);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.prose th{background:var(--paper);font-weight:600;}
.prose code{font-family:var(--mono);font-size:15px;background:var(--paper);padding:2px 6px;border-radius:6px;}
.prose figure{margin:20px 0;}
.prose figcaption{font-size:13px;color:var(--faint);margin-top:8px;}

.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:56px 28px;text-align:center;
}
.empty-icon{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--line);color:var(--primary);font-size:26px;
}
.empty-title{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-text{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- sidebar ---------- */
.side{display:none;}
@media (min-width:1200px){.side{display:block;}}
.side-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:20px;border-top:2px solid var(--lime);
}
.side-label{font-size:12px;letter-spacing:.06em;color:var(--faint);margin-bottom:6px;}
.side-value{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px;}
.side-value:last-child{margin-bottom:0;}
.side-list{display:flex;flex-direction:column;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:48px;padding:8px 0;
  font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
  transition:color var(--tr),padding var(--tr);
}
.side-list a:last-child{border-bottom:0;}
.side-list a:hover{color:var(--primary);padding-left:4px;}
.side-list i{font-size:12px;color:var(--lime);}

/* ---------- buttons ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform var(--tr),background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.btn-c:hover{transform:translateY(-1px);}
.btn-lime{background:var(--lime);color:var(--ink);}
.btn-lime:hover{background:#22C795;color:var(--ink);}
.btn-primary-c{background:var(--primary);color:#fff;}
.btn-primary-c:hover{background:var(--primary-h);color:#fff;}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-h);}
.btn-outline-light-c{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light-c:hover{border-color:var(--lime);color:var(--lime);}
.btn-c:disabled,.btn-c.disabled{opacity:.45;transform:none;cursor:not-allowed;}

/* ---------- related ---------- */
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;}
.section-title{position:relative;font-size:24px;line-height:34px;padding-left:14px;}
.section-title::before{
  content:"";position:absolute;left:0;top:8px;width:3px;height:18px;background:var(--lime);border-radius:2px;
}
.section-more{font-size:14px;color:var(--muted);}
.section-more:hover{color:var(--primary);}
.related{padding:0 0 72px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991.98px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:575.98px){.related-grid{grid-template-columns:1fr;}}
.card-c{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.card-c:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(108,43,217,.3);}
.card-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE9F8;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-badge);
  font-size:12px;line-height:18px;font-weight:600;
}
.tag-purple{background:#EFE8FD;color:var(--primary);}
.tag-lime{background:#DEF9F0;color:var(--lime-deep);}
.tag-orange{background:#FFEDE5;color:#C24A18;}
.card-title{font-size:17px;line-height:26px;font-weight:700;}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--primary);}
.card-text{font-size:14px;line-height:22px;color:var(--muted);}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--faint);
}
.card-foot .go{color:var(--primary);font-weight:600;}
.card-foot .go:hover{color:var(--primary-h);}

/* ---------- back link row ---------- */
.back-row{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  margin:34px 0 0;padding-top:24px;border-top:1px solid var(--line);
}

/* ---------- faq ---------- */
.faq-block{padding:0 0 72px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color var(--tr);
}
.faq-item[open]{background:var(--paper);border-color:rgba(108,43,217,.3);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  min-height:52px;display:flex;align-items:center;
  padding:14px 52px 14px 20px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;background:var(--lime);border-radius:2px;
}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:18px;color:var(--primary);
}
.faq-item[open] summary::after{content:"–";}
.faq-answer{padding:0 52px 20px 20px;font-size:15px;line-height:26px;color:var(--muted);}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--deep);border-top:1px solid var(--lime);
  padding:44px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;}
.cta-title{font-size:22px;line-height:32px;color:#fff;}
.cta-text{font-size:14px;line-height:22px;color:#B4ADC9;margin-top:8px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B4ADC9;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-name{font-size:16px;font-weight:700;color:#fff;}
.footer-about{font-size:14px;line-height:24px;color:#9E97B6;max-width:340px;}
.footer-col-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9E97B6;transition:color var(--tr),transform var(--tr);}
.footer-links a:hover{color:var(--lime);transform:translateX(2px);}
.footer-info{font-size:14px;line-height:26px;color:#9E97B6;}
.footer-info strong{color:#CFC9E2;font-weight:600;}
.footer-bottom{
  margin-top:44px;padding:18px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:13px;color:#837BA3;
}
@media (max-width:575.98px){.footer-bottom{font-size:12px;}}

/* ---------- back to top ---------- */
.back-top{
  position:fixed;right:24px;bottom:24px;z-index:150;
  width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:var(--lime);
  border:1px solid rgba(43,224,168,.5);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr),transform var(--tr);
}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-2px);}
@media (max-width:575.98px){.back-top{right:16px;bottom:16px;}}

/* roulang page: category1 */
:root{
  --ink:#0E0A1A;
  --ink-2:#241A3D;
  --primary:#6C2BD9;
  --primary-hover:#8A4BF0;
  --lime:#2BE0A8;
  --lime-deep:#0F8A63;
  --orange:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#1A1526;
  --text-2:#5B5470;
  --muted:#9A94AC;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 6px 24px rgba(14,10,26,.08);
  --sh-hover:0 12px 32px rgba(108,43,217,.18);
  --sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --bs-primary:#6C2BD9;
  --bs-body-bg:#F7F6FB;
  --bs-body-color:#1A1526;
  --bs-border-radius:16px;
  --bs-link-color:#6C2BD9;
  --bs-link-hover-color:#8A4BF0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--paper);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:28px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:all .18s ease}
a:hover{color:var(--primary-hover)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
.mono{font-family:var(--mono)}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (max-width:1399px){.wrap{max-width:1140px}}
@media (max-width:1199px){.wrap{max-width:960px}}
@media (max-width:991px){.wrap{max-width:100%;padding:0 20px}}
@media (max-width:575px){.wrap{padding:0 16px}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1080;background:var(--ink);transition:box-shadow .18s ease}
.site-header.is-stuck{box-shadow:0 1px 0 rgba(43,224,168,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand:hover{color:inherit}
.brand-mark{width:40px;height:40px;border-radius:12px;background:rgba(108,43,217,.22);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em}
.brand-sub{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:rgba(255,255,255,.42);margin-top:5px}
.nav-desktop{display:flex;align-items:center;gap:6px}
.nav-link-c{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;color:rgba(255,255,255,.78);font-size:15px;font-weight:500;white-space:nowrap}
.nav-link-c:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link-c.active{background:var(--primary);color:#fff;font-weight:600}
.nav-link-c.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--lime)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:hover{background:rgba(255,255,255,.12)}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{position:fixed;inset:0;z-index:1200;background:var(--ink);display:flex;flex-direction:column;padding:14px 20px 30px;transform:translateY(-102%);visibility:hidden;transition:transform .22s ease,visibility .22s ease}
.nav-drawer.open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid rgba(255,255,255,.1)}
.drawer-title{font-size:15px;color:rgba(255,255,255,.6);letter-spacing:.06em}
.drawer-close{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;padding-top:14px}
.drawer-nav a{display:flex;align-items:center;height:48px;padding-left:14px;border-left:2px solid transparent;color:rgba(255,255,255,.82);font-size:16px}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-nav a.is-active{border-left-color:var(--lime);color:#fff;font-weight:600;background:rgba(108,43,217,.24)}
.drawer-note{margin-top:auto;font-size:13px;line-height:22px;color:rgba(255,255,255,.42)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--ink-2);border-bottom:1px solid rgba(255,255,255,.08)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;height:48px;font-size:13px;color:rgba(255,255,255,.56)}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--lime)}
.crumb span{color:rgba(255,255,255,.3)}
.crumb em{font-style:normal;color:var(--lime)}

/* ---------- 首屏 ---------- */
.page-hero{background:var(--ink);padding:72px 0 84px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,rgba(108,43,217,0) 0%,rgba(108,43,217,.9) 38%,rgba(43,224,168,.9) 72%,rgba(43,224,168,0) 100%)}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;line-height:18px;padding:3px 10px;border-radius:var(--r-badge);background:rgba(43,224,168,.14);color:var(--lime);border:1px solid rgba(43,224,168,.3)}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block}
.hero-title{margin:18px 0 0;font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.02em;color:#fff}
.hero-title span{display:block;margin-top:12px;font-size:15px;line-height:24px;font-weight:500;letter-spacing:0;color:rgba(255,255,255,.6)}
.hero-desc{margin-top:16px;font-size:16px;line-height:28px;color:rgba(255,255,255,.72);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.chip{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:6px;font-size:13px;background:rgba(255,255,255,.07);color:rgba(255,255,255,.78);border:1px solid rgba(255,255,255,.1)}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.14)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;background:linear-gradient(135deg,#241A3D,#0E0A1A)}
.hero-figure::before{content:"";position:absolute;top:0;left:0;width:88px;height:88px;background:linear-gradient(135deg,rgba(43,224,168,.9),rgba(43,224,168,0) 72%);clip-path:polygon(0 0,100% 0,0 100%);z-index:2}
.hero-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:rgba(255,255,255,.82);background:linear-gradient(0deg,rgba(14,10,26,.86),rgba(14,10,26,0))}

/* ---------- 按钮 ---------- */
.btn-c{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap}
.btn-c svg{width:16px;height:16px}
.btn-lime{background:var(--lime);color:#0E0A1A}
.btn-lime:hover{background:#22C893;color:#0E0A1A;transform:translateY(-1px)}
.btn-primary-c{background:var(--primary);color:#fff}
.btn-primary-c:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:rgba(108,43,217,.4);color:var(--primary);transform:translateY(-1px)}
.btn-c[disabled]{opacity:.45;transform:none;cursor:not-allowed}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:14px;font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:9px;width:3px;height:18px;border-radius:2px;background:var(--lime)}
.sec-sub{margin-top:10px;font-size:15px;line-height:26px;color:var(--text-2);max-width:680px}
.link-more{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}

/* ---------- 要点条 ---------- */
.points{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.point-item{padding:24px 22px;border-right:1px solid var(--line);transition:background .18s ease}
.point-item:last-child{border-right:0}
.point-item:hover{background:#FBFAFE}
.point-num{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--primary);background:rgba(108,43,217,.1);border-radius:6px;padding:3px 10px;display:inline-block}
.point-title{margin-top:14px;font-size:17px;line-height:26px;font-weight:600}
.point-text{margin-top:8px;font-size:14px;line-height:24px;color:var(--text-2)}

/* ---------- 目录 + 条目 ---------- */
.catalog-grid{display:grid;grid-template-columns:264px 1fr;gap:44px;align-items:start}
.anchor-card{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card)}
.anchor-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text-2);padding-left:12px;position:relative}
.anchor-title::before{content:"";position:absolute;left:0;top:5px;width:3px;height:14px;border-radius:2px;background:var(--lime)}
.anchor-list{margin-top:12px}
.anchor-list a{display:flex;align-items:center;justify-content:space-between;gap:8px;height:44px;padding:0 10px;border-radius:10px;font-size:14px;color:var(--text-2)}
.anchor-list a:hover{background:#F3F0FB;color:var(--primary)}
.anchor-list a em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--muted)}
.anchor-tip{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;line-height:22px;color:var(--text-2)}
.group-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);margin-bottom:22px}
.group-block:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.group-head h3{font-size:20px;line-height:28px;font-weight:700}
.tag{font-size:12px;line-height:18px;padding:3px 10px;border-radius:var(--r-badge)}
.tag-purple{background:rgba(108,43,217,.1);color:var(--primary)}
.tag-lime{background:rgba(43,224,168,.14);color:var(--lime-deep)}
.tag-orange{background:rgba(255,122,69,.14);color:#C24E1E}
.entry-list{margin-top:8px}
.entry-item{display:flex;align-items:flex-start;gap:16px;padding:16px 12px;min-height:64px;border-bottom:1px solid var(--line);border-radius:10px;transition:background .18s ease}
.entry-item:last-child{border-bottom:0}
.entry-item:hover{background:#F7F5FE}
.entry-num{flex:0 0 32px;font-family:var(--mono);font-size:13px;line-height:26px;color:var(--primary)}
.entry-main{flex:1 1 auto;min-width:0}
.entry-title{font-size:16px;line-height:26px;font-weight:600;color:var(--text)}
.entry-desc{margin-top:4px;font-size:14px;line-height:24px;color:var(--text-2)}
.entry-link{flex:0 0 auto;align-self:center;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.entry-item:hover .entry-link{gap:10px}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.scene-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.scene-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;transition:all .18s ease}
.scene-item:hover{background:#fff;border-color:rgba(108,43,217,.3);box-shadow:var(--sh-hover)}
.scene-item h3{font-size:16px;line-height:26px;font-weight:600}
.scene-item p{margin-top:6px;font-size:14px;line-height:24px;color:var(--text-2)}
.scene-figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card)}
.scene-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;background:linear-gradient(135deg,#EDE9F8,#F7F6FB)}
.scene-figure figcaption{padding:12px 18px;font-size:13px;line-height:22px;color:var(--text-2);border-top:1px solid var(--line)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px 20px 24px;box-shadow:var(--sh-card);transition:all .18s ease}
.step-item:hover{transform:translateY(-2px);border-color:rgba(108,43,217,.3);box-shadow:var(--sh-hover)}
.step-num{font-family:var(--mono);font-size:22px;line-height:1;font-weight:700;color:var(--primary)}
.step-item h3{margin-top:14px;font-size:17px;line-height:26px;font-weight:600}
.step-item p{margin-top:8px;font-size:14px;line-height:24px;color:var(--text-2)}
.step-item::after{content:"";position:absolute;right:-11px;top:44px;width:22px;height:1px;background:var(--line)}
.step-item:last-child::after{display:none}

/* ---------- 更新记录 ---------- */
.update-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.update-item{display:flex;gap:20px;align-items:flex-start;padding:20px 24px;border-bottom:1px solid var(--line);transition:background .18s ease}
.update-item:last-child{border-bottom:0}
.update-item:hover{background:#FBFAFE}
.update-date{flex:0 0 118px;font-family:var(--mono);font-size:13px;line-height:26px;color:var(--primary)}
.update-text strong{display:block;font-size:16px;line-height:26px;font-weight:600}
.update-text span{display:block;margin-top:4px;font-size:14px;line-height:24px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:all .18s ease}
.faq-item:hover{border-color:rgba(108,43,217,.3)}
.faq-item[open]{background:var(--paper)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:52px;padding:12px 22px 12px 22px;font-size:16px;line-height:26px;font-weight:600;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:2px;background:var(--lime);border-radius:2px}
.faq-item summary::after{content:"";flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform .18s ease;margin-right:4px}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 22px 22px 22px;font-size:15px;line-height:26px;color:var(--text-2)}
.faq-answer a{font-weight:600}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink-2);border-top:1px solid var(--lime);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;line-height:36px;font-weight:700;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;line-height:26px;color:rgba(255,255,255,.7);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-name{font-size:16px;font-weight:700;color:#fff}
.footer-about{margin-top:16px;font-size:14px;line-height:24px;color:rgba(255,255,255,.56);max-width:320px}
.footer-col-title{font-size:16px;line-height:26px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;line-height:22px;color:rgba(255,255,255,.6)}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-info{font-size:14px;line-height:24px;color:rgba(255,255,255,.56)}
.footer-info strong{color:rgba(255,255,255,.8);font-weight:600}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--lime);border:1px solid rgba(43,224,168,.4);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease;z-index:1100}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--primary);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .catalog-grid{grid-template-columns:230px 1fr;gap:32px}
  .points{grid-template-columns:repeat(2,1fr)}
  .point-item:nth-child(2){border-right:0}
  .point-item:nth-child(1),.point-item:nth-child(2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-item:nth-child(2)::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px}
  .brand-name{font-size:15px}
  .brand-sub{display:none}
  .section{padding:72px 0}
  .page-hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-title{font-size:32px;line-height:40px}
  .hero-figure{order:-1}
  .catalog-grid{grid-template-columns:1fr;gap:24px}
  .anchor-card{position:static}
  .anchor-list{display:grid;grid-template-columns:1fr 1fr;gap:2px}
  .scene-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .sec-title{font-size:24px;line-height:32px}
  .points{grid-template-columns:1fr}
  .point-item{border-right:0;border-bottom:1px solid var(--line)}
  .point-item:last-child{border-bottom:0}
  .steps{grid-template-columns:1fr}
  .step-item::after{display:none}
  .scene-list{grid-template-columns:1fr}
  .entry-item{flex-wrap:wrap;gap:10px}
  .entry-link{width:100%;padding-left:48px}
  .update-item{flex-direction:column;gap:6px}
  .update-date{flex:0 0 auto}
  .cta-inner h2{font-size:22px;line-height:32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-about{max-width:100%}
}
@media (max-width:575px){
  body{font-size:15px;line-height:27px}
  .hero-title{font-size:28px;line-height:36px}
  .hero-desc{font-size:15px;line-height:26px}
  .hero-actions .btn-c{width:100%}
  .btn-c{height:48px}
  .anchor-list{grid-template-columns:1fr}
  .group-block{padding:18px}
  .entry-link{padding-left:0}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category2 */
:root{
  --ink:#0E0A1A;
  --ink-2:#241A3D;
  --primary:#6C2BD9;
  --primary-hover:#8A4BF0;
  --lime:#2BE0A8;
  --orange:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#1A1526;
  --text-2:#5B5470;
  --muted:#9A94AC;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh:0 6px 24px rgba(14,10,26,.08);
  --sh-hover:0 12px 32px rgba(108,43,217,.18);
  --bs-primary:#6C2BD9;
  --bs-body-bg:#F7F6FB;
  --bs-body-color:#1A1526;
  --bs-border-radius:12px;
  --bs-link-color:#6C2BD9;
  --bs-link-hover-color:#8A4BF0;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:28px;color:var(--text);background:var(--paper);}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-hover)}
h1,h2,h3,h4,p,ul,ol{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (max-width:1399px){.wrap{max-width:1140px}}
@media (max-width:1199px){.wrap{max-width:960px}}
@media (max-width:991px){.wrap{max-width:100%;padding:0 20px}}
@media (max-width:575px){.wrap{padding:0 16px}}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid rgba(43,224,168,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;min-width:0}
.brand:hover{color:#fff}
.brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:50%;background:rgba(43,224,168,.12);border:1px solid rgba(43,224,168,.35);display:flex;align-items:center;justify-content:center}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--lime);opacity:.85;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}
.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-link-c{position:relative;color:rgba(255,255,255,.78);font-size:15px;font-weight:500;padding:9px 14px;border-radius:10px;transition:background .18s ease,color .18s ease;white-space:nowrap}
.nav-link-c:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link-c.active{background:var(--primary);color:#fff;font-weight:600}
.nav-link-c.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--lime)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;cursor:pointer;transition:background .18s ease}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.nav-toggle svg{width:22px;height:22px}
@media (max-width:991px){
  .header-inner{height:60px}
  .nav-desktop{display:none}
  .nav-toggle{display:inline-flex}
  .brand-name{font-size:15px}
}
.nav-drawer{position:fixed;inset:0;z-index:1060;background:rgba(14,10,26,.98);padding:16px 20px 32px;display:flex;flex-direction:column;transform:translateX(102%);visibility:hidden;transition:transform .24s ease,visibility .24s ease}
.nav-drawer.open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:60px;border-bottom:1px solid rgba(43,224,168,.3);margin-bottom:12px}
.drawer-title{color:#fff;font-size:16px;font-weight:600}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:24px;line-height:1;cursor:pointer}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{height:48px;display:flex;align-items:center;padding-left:14px;color:rgba(255,255,255,.8);font-size:16px;border-left:2px solid transparent;transition:all .18s ease}
.drawer-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.drawer-links a.active{color:#fff;font-weight:600;border-left-color:var(--lime);background:rgba(108,43,217,.28)}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:13px 0;font-size:13px;line-height:22px;color:var(--text-2)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--muted)}
.crumb .current{color:var(--primary);font-weight:600}

/* ============ 分类头图 ============ */
.cat-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate}
.cat-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.34;z-index:0}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,10,26,.95) 0%,rgba(14,10,26,.82) 52%,rgba(36,26,61,.68) 100%);z-index:1}
.cat-hero-inner{position:relative;z-index:2;padding:76px 0 68px;max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(43,224,168,.14);border:1px solid rgba(43,224,168,.4);color:var(--lime);font-size:12px;line-height:18px;padding:5px 12px;border-radius:6px;margin-bottom:20px}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--lime)}
.cat-hero h1{font-size:40px;line-height:48px;font-weight:700;letter-spacing:-.02em;margin-bottom:18px}
.cat-hero .hero-sub{font-size:17px;line-height:30px;color:rgba(255,255,255,.78);max-width:720px}
.hero-points{list-style:none;padding:0;margin:26px 0 30px;display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;line-height:22px;color:rgba(255,255,255,.82)}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);flex:0 0 6px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-divider{height:3px;background:linear-gradient(90deg,var(--primary) 0%,var(--lime) 62%,rgba(43,224,168,0) 100%)}
@media (max-width:991px){
  .cat-hero-inner{padding:56px 0 48px}
  .cat-hero h1{font-size:30px;line-height:40px}
}
@media (max-width:575px){
  .cat-hero-inner{padding:44px 0 40px}
  .cat-hero h1{font-size:28px;line-height:36px}
  .cat-hero .hero-sub{font-size:16px;line-height:28px}
}

/* ============ 按钮 ============ */
.btn-c{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;text-align:center}
.btn-c svg{width:18px;height:18px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#22c795;color:var(--ink);transform:translateY(-1px)}
.btn-fill{background:var(--primary);color:#fff}
.btn-fill:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.38);color:#fff}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-1px)}
.btn-line{background:#fff;border-color:var(--line);color:var(--text)}
.btn-line:hover{border-color:rgba(108,43,217,.45);color:var(--primary);transform:translateY(-1px)}
.btn-c:disabled{opacity:.45;transform:none;cursor:not-allowed}
@media (max-width:575px){.btn-c{height:48px;width:100%}}

/* ============ 板块通用 ============ */
.sec{padding:96px 0}
.sec-alt{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{position:relative;padding-left:14px;font-size:28px;line-height:36px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.sec-title::before{content:"";position:absolute;left:0;top:9px;width:3px;height:18px;border-radius:2px;background:var(--lime)}
.sec-desc{margin-top:10px;font-size:15px;line-height:26px;color:var(--text-2);max-width:720px}
.sec-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{gap:10px}
@media (max-width:991px){.sec{padding:72px 0}.sec-title{font-size:24px;line-height:32px}}
@media (max-width:575px){.sec{padding:56px 0}.sec-title{font-size:22px;line-height:30px}}

/* ============ 筛选标签 ============ */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{border:1px solid var(--line);background:#fff;color:var(--text-2);font-size:14px;font-weight:500;line-height:20px;padding:8px 16px;border-radius:999px;cursor:pointer;transition:all .18s ease}
.chip:hover{border-color:rgba(108,43,217,.45);color:var(--primary)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(108,43,217,.24)}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.card-c{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card-c:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(108,43,217,.3)}
.card-media{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EFEBFA;border-bottom:1px solid var(--line);border-radius:var(--r-card) var(--r-card) 0 0}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.badge-c{display:inline-flex;align-items:center;font-size:12px;line-height:18px;padding:3px 10px;border-radius:var(--r-badge);background:#F1EBFD;color:var(--primary);font-weight:600}
.badge-s{background:rgba(43,224,168,.16);color:#12805C}
.badge-new{background:rgba(255,122,69,.14);color:#C24A18}
.card-title{font-size:20px;line-height:28px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.card-title a{color:inherit}
.card-title a:hover{color:var(--primary)}
.card-text{font-size:14px;line-height:24px;color:var(--text-2);flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.card-foot .mono{font-size:12px}
.card-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-link:hover{gap:10px}
.card-c.is-hidden{display:none}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:575px){.card-grid{grid-template-columns:1fr}.card-body{padding:16px}}

/* ============ 阶段进度 ============ */
.stage-band{background:var(--ink-2);border-top:1px solid var(--lime);color:#fff;padding:72px 0}
.stage-band .sec-title{color:#fff}
.stage-band .sec-desc{color:rgba(255,255,255,.68)}
.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.stage{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-card);padding:20px;transition:border-color .18s ease,background .18s ease,transform .18s ease}
.stage:hover{background:rgba(108,43,217,.18);border-color:rgba(43,224,168,.5);transform:translateY(-2px)}
.stage-num{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:13px;letter-spacing:.12em;color:var(--lime);display:block;margin-bottom:12px}
.stage h3{font-size:17px;line-height:26px;font-weight:700;margin-bottom:8px}
.stage p{font-size:14px;line-height:24px;color:rgba(255,255,255,.68)}
@media (max-width:991px){.stage-band{padding:56px 0}.stage-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575px){.stage-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-list{max-width:860px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,background .18s ease}
.faq-item:hover{border-color:rgba(108,43,217,.3)}
.faq-item[open]{background:var(--paper);border-color:rgba(108,43,217,.3)}
.faq-item summary{list-style:none;cursor:pointer;position:relative;padding:13px 52px 13px 20px;font-size:17px;line-height:26px;font-weight:600;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:13px;bottom:13px;width:2px;background:var(--lime);border-radius:2px}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:20px;line-height:1;color:var(--primary);transition:transform .18s ease}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 20px 18px;font-size:15px;line-height:26px;color:var(--text-2)}
.faq-body a{font-weight:600}

/* ============ CTA ============ */
.cta-band{background:var(--ink-2);border-top:1px solid var(--lime);color:#fff;padding:48px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;line-height:34px;font-weight:700;margin-bottom:8px}
.cta-inner p{font-size:15px;line-height:26px;color:rgba(255,255,255,.7);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:575px){.cta-band{padding:40px 0}.cta-inner h2{font-size:20px;line-height:30px}}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px}
.footer-name{color:#fff;font-weight:700;font-size:16px}
.footer-about{font-size:14px;line-height:24px;color:rgba(255,255,255,.6);max-width:330px}
.footer-col-title{font-size:16px;line-height:26px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.62);font-size:14px;line-height:22px;transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-info{font-size:14px;line-height:24px;color:rgba(255,255,255,.62)}
.footer-info strong{color:#fff;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;line-height:22px;color:rgba(255,255,255,.5)}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575px){.site-footer{padding-top:44px}.footer-grid{grid-template-columns:1fr}}

/* ============ 返回顶部 ============ */
.to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--lime);border:1px solid rgba(43,224,168,.4);display:none;align-items:center;justify-content:center;cursor:pointer;z-index:1040;box-shadow:0 8px 24px rgba(14,10,26,.28);transition:transform .18s ease,background .18s ease}
.to-top.show{display:flex}
.to-top:hover{background:var(--ink-2);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}

/* roulang page: category3 */
:root{
  --ink:#0E0A1A;
  --ink-2:#241A3D;
  --primary:#6C2BD9;
  --primary-hover:#8A4BF0;
  --lime:#2BE0A8;
  --lime-dark:#12775A;
  --orange:#FF7A45;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --line:#E6E2F2;
  --text:#1A1526;
  --muted:#5B5470;
  --disabled:#9A94AC;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --r-badge:6px;
  --sh-card:0 6px 24px rgba(14,10,26,.08);
  --sh-hover:0 12px 32px rgba(108,43,217,.18);
  --ease:.18s ease;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;

  --bs-primary:var(--primary);
  --bs-body-bg:var(--paper);
  --bs-body-color:var(--text);
  --bs-body-font-family:var(--font-cn);
  --bs-body-font-size:16px;
  --bs-body-line-height:28px;
  --bs-border-radius:12px;
  --bs-border-color:var(--line);
  --bs-link-color:var(--primary);
  --bs-link-hover-color:var(--primary-hover);
  --bs-emphasis-color:var(--text);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-cn);font-size:16px;line-height:28px;color:var(--text);background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block;background:#EFEDF7}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--primary-hover)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* 容器 */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (max-width:1399px){.wrap{max-width:1140px}}
@media (max-width:1199px){.wrap{max-width:960px}}
@media (max-width:991px){.wrap{max-width:100%;padding:0 20px}}
@media (max-width:575px){.wrap{padding:0 16px}}

/* 按钮 */
.btn-c{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;font-size:15px;font-weight:600;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;transition:all var(--ease);line-height:1;white-space:nowrap}
.btn-c:hover{transform:translateY(-1px)}
.btn-c:active{transform:translateY(0)}
.btn-c[disabled],.btn-c.is-disabled{opacity:.45;pointer-events:none;transform:none}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#1FCB96;color:var(--ink)}
.btn-solid{background:var(--primary);color:#fff}
.btn-solid:hover{background:var(--primary-hover);color:#fff}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-line:hover{border-color:var(--lime);color:var(--lime);background:rgba(43,224,168,.08)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-hover);box-shadow:var(--sh-card)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* 标签与徽章 */
.badge-c{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;font-size:12px;line-height:18px;border-radius:var(--r-badge);font-weight:600}
.badge-cat{background:rgba(108,43,217,.1);color:var(--primary)}
.badge-ok{background:rgba(43,224,168,.16);color:var(--lime-dark)}
.badge-hot{background:rgba(255,122,69,.14);color:#C24A17}
.badge-line{background:transparent;color:var(--lime);border:1px solid rgba(43,224,168,.5)}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1000;background:var(--ink);border-bottom:1px solid rgba(43,224,168,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:50%;background:rgba(43,224,168,.12);border:1px solid rgba(43,224,168,.35)}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:700;color:#fff;letter-spacing:.01em}
.brand-sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:rgba(43,224,168,.75)}
.nav-desktop{display:flex;align-items:center;gap:8px}
.nav-link-c{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 15px;border-radius:10px;font-size:15px;font-weight:500;color:rgba(255,255,255,.78);transition:all var(--ease)}
.nav-link-c:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-link-c.active{background:var(--primary);color:#fff;font-weight:600}
.nav-link-c.active::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--lime)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:10px;color:#fff;cursor:pointer;transition:all var(--ease)}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle svg{width:22px;height:22px}

/* 移动抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:1200;background:var(--ink);display:flex;flex-direction:column;transform:translateX(100%);transition:transform .22s ease}
.nav-drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 16px;border-bottom:1px solid rgba(43,224,168,.35)}
.drawer-close{width:44px;height:44px;display:grid;place-items:center;background:transparent;border:0;color:#fff;cursor:pointer;border-radius:10px}
.drawer-close:hover{background:rgba(255,255,255,.08);color:var(--lime)}
.drawer-close svg{width:22px;height:22px}
.drawer-nav{padding:12px 16px;display:flex;flex-direction:column}
.drawer-link{display:flex;align-items:center;height:48px;padding:0 14px;border-left:2px solid transparent;border-radius:0 10px 10px 0;color:rgba(255,255,255,.82);font-size:16px;font-weight:500}
.drawer-link:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-link.active{border-left-color:var(--lime);background:rgba(108,43,217,.35);color:#fff;font-weight:600}
.drawer-note{margin-top:auto;padding:20px 20px 28px;color:rgba(255,255,255,.45);font-size:13px;line-height:22px;border-top:1px solid rgba(255,255,255,.08)}

/* 面包屑 */
.crumb-wrap{padding:18px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{margin:0 8px;color:var(--disabled)}
.crumb .cur{color:var(--primary);font-weight:600}

/* 分类 Hero */
.cat-hero{position:relative;background:var(--ink);color:#fff;padding:52px 0 72px;overflow:hidden}
.cat-hero::before{content:"";position:absolute;right:-60px;top:-40px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(108,43,217,.55),rgba(108,43,217,0) 70%);pointer-events:none}
.cat-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,rgba(108,43,217,0),var(--primary) 35%,var(--lime) 70%,rgba(43,224,168,0))}
.hero-grid{position:relative;display:grid;grid-template-columns:1.45fr 1fr;gap:48px;align-items:start}
.cat-hero h1{color:#fff;font-size:40px;line-height:48px;margin:18px 0 16px;letter-spacing:-.02em}
.hero-lead{color:rgba(255,255,255,.78);font-size:17px;line-height:30px;max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-panel{background:rgba(255,255,255,.05);border:1px solid rgba(43,224,168,.28);border-radius:var(--r-card);padding:22px}
.hero-panel h2{font-size:16px;color:#fff;margin-bottom:6px;font-weight:600}
.hero-panel .panel-note{font-size:13px;line-height:22px;color:rgba(255,255,255,.6);margin-bottom:16px}
.panel-list{display:flex;flex-direction:column}
.panel-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid rgba(255,255,255,.1);font-size:15px;color:rgba(255,255,255,.9)}
.panel-item .num{font-family:var(--font-mono);font-size:13px;color:var(--lime);min-width:26px}
.panel-item .tag{margin-left:auto;font-size:12px;color:rgba(255,255,255,.5)}

/* 板块 */
.section{padding:96px 0}
.section-white{background:#fff}
.section-dark{background:var(--ink-2);color:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-title{position:relative;padding-left:14px;font-size:28px;line-height:36px;margin-bottom:12px}
.sec-title::before{content:"";position:absolute;left:0;top:9px;width:3px;height:18px;border-radius:2px;background:var(--lime)}
.sec-desc{color:var(--muted);font-size:15px;line-height:26px}
.section-dark .sec-title,.section-dark h3{color:#fff}
.section-dark .sec-desc{color:rgba(255,255,255,.7)}

/* 圆点分组 */
.dot-groups{border-top:1px solid var(--line)}
.dot-group{display:grid;grid-template-columns:300px 1fr;gap:40px;padding:30px 0;border-bottom:1px solid var(--line);transition:background-color var(--ease)}
.dot-group:hover{background:rgba(108,43,217,.035)}
.dot-head{display:flex;align-items:flex-start;gap:12px}
.dot{width:10px;height:10px;flex:0 0 10px;margin-top:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(43,224,168,.18)}
.dot-head h3{font-size:18px;line-height:28px;margin-bottom:4px}
.dot-head p{font-size:13px;line-height:22px;color:var(--muted);margin:0}
.dot-body p{font-size:15px;line-height:27px;color:var(--muted);margin-bottom:12px}
.dot-body p:last-child{margin-bottom:0}
.dot-body strong{color:var(--text);font-weight:600}
.mini-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.mini-list li{position:relative;padding-left:16px;font-size:14px;line-height:24px;color:var(--muted)}
.mini-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--primary);opacity:.7}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);transition:all var(--ease)}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(108,43,217,.3)}
.step-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.step-num{width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;border-radius:50%;background:rgba(108,43,217,.1);color:var(--primary);font-family:var(--font-mono);font-size:15px;font-weight:700}
.step h3{font-size:17px;line-height:26px}
.step p{font-size:15px;line-height:26px;color:var(--muted);margin-bottom:10px}
.step .step-link{font-size:14px;font-weight:600}

/* 图文信号区 */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:center}
.figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card)}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img)}
.figcap{margin-top:10px;font-size:13px;line-height:22px;color:var(--disabled)}
.signal-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.signal-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.signal-item .ico{width:26px;height:26px;flex:0 0 26px;display:grid;place-items:center;border-radius:50%;background:rgba(255,122,69,.14);color:#C24A17;font-size:13px;font-weight:700;margin-top:2px}
.signal-item h3{font-size:16px;line-height:26px;margin-bottom:4px}
.signal-item p{font-size:14px;line-height:24px;color:var(--muted);margin:0}

/* 习惯清单 */
.habit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.habit{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);transition:all var(--ease)}
.habit:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(43,224,168,.5)}
.tick{width:24px;height:24px;flex:0 0 24px;border-radius:50%;background:rgba(43,224,168,.18);color:var(--lime-dark);display:grid;place-items:center;font-size:13px;font-weight:700;margin-top:2px}
.habit h3{font-size:16px;line-height:25px;margin-bottom:4px}
.habit p{font-size:14px;line-height:24px;color:var(--muted);margin:0}

/* FAQ */
.qa-list{border-top:1px solid var(--line);max-width:900px}
.qa-item{border-bottom:1px solid var(--line)}
.qa-q{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:52px;padding:14px 4px 14px 0;background:transparent;border:0;border-left:2px solid var(--lime);padding-left:16px;text-align:left;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;transition:background-color var(--ease)}
.qa-q:hover{background:rgba(108,43,217,.05)}
.qa-q::after{content:"";width:10px;height:10px;flex:0 0 10px;margin-left:16px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(45deg);transition:transform var(--ease)}
.qa-q[aria-expanded="true"]{background:var(--paper)}
.qa-q[aria-expanded="true"]::after{transform:rotate(-135deg)}
.qa-a{padding:4px 20px 20px 18px;font-size:15px;line-height:26px;color:var(--muted);background:var(--paper)}
.qa-a strong{color:var(--text)}

/* CTA 条 */
.cta-bar{background:var(--ink-2);border-top:1px solid var(--lime);padding:40px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{color:#fff;font-size:24px;line-height:34px;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.7);font-size:15px;line-height:26px;margin:0;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}

/* 关联入口 */
.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.link-pill{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;font-weight:600;transition:all var(--ease)}
.link-pill:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--sh-card)}
.link-pill span{font-family:var(--font-mono);font-size:12px;color:var(--disabled)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-name{color:#fff;font-size:16px;font-weight:700}
.footer-about{font-size:14px;line-height:24px;color:rgba(255,255,255,.6);max-width:340px}
.footer-col-title{font-size:16px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:all var(--ease)}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-info{font-size:14px;line-height:26px;color:rgba(255,255,255,.6);margin:0}
.footer-info strong{color:rgba(255,255,255,.86);font-weight:600}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom .mono{color:rgba(43,224,168,.7)}

/* 返回顶部 */
.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:var(--lime);border:1px solid rgba(43,224,168,.4);cursor:pointer;z-index:900;opacity:0;visibility:hidden;transition:all var(--ease)}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--ink-2);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .cat-hero{padding:40px 0 56px}
  .cat-hero h1{font-size:32px;line-height:42px}
  .dot-group{grid-template-columns:1fr;gap:14px;padding:26px 0}
  .steps{grid-template-columns:1fr}
  .habit-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .header-inner{height:60px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .sec-title{font-size:24px;line-height:32px}
  .sec-title::before{top:7px}
  .cat-hero h1{font-size:28px;line-height:36px}
  .hero-lead{font-size:16px;line-height:28px}
  .cta-inner h2{font-size:21px;line-height:31px}
  .site-footer{padding-top:48px}
}
@media (max-width:575px){
  .hero-panel{padding:18px}
  .step{padding:20px}
  .habit{padding:16px}
  .btn-c{width:100%;height:48px}
  .hero-actions,.cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}