/* roulang page: index */
:root{
  --brand:#34256B;
  --brand-light:#6C4CF1;
  --brand-tint:#F1EEFE;
  --cyan:#14C8B4;
  --cyan-tint:#E4F8F5;
  --orange:#FF7A2F;
  --ink:#1B1B22;
  --ink-2:#52525F;
  --ink-3:#8A8A99;
  --line:#E3E1EE;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --dark:#14122B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(20,18,43,.06), 0 8px 24px rgba(20,18,43,.06);
  --sh-lg:0 14px 32px rgba(20,18,43,.10);
  --grad:linear-gradient(135deg,#6C4CF1 0%,#14C8B4 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-light);text-decoration:none;transition:color .2s;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-weight:800;line-height:1.3;}
h2{font-size:clamp(22px,2.4vw,29px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-head{margin-bottom:44px;}
.section-head h2{margin-bottom:16px;}
.section-head .lead-line{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;font-weight:600;color:var(--brand);
  background:var(--brand-tint);border-radius:6px;padding:5px 12px;margin-bottom:18px;
}
.eyebrow.cyan{background:var(--cyan-tint);color:#0C7A6D;}
.eyebrow.dark{background:rgba(255,255,255,.12);color:#fff;}
:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px;border-radius:4px;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-btn);
  padding:15px 26px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,background-color .2s,color .2s,border-color .2s;}
.btn-primary-cta{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.28);}
.btn-primary-cta:hover{background:#F26A1C;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.32);}
.btn-outline-brand{background:#fff;border-color:var(--brand-light);color:var(--brand);}
.btn-outline-brand:hover{background:var(--brand-tint);color:var(--brand);transform:translateY(-1px);}
.btn-solid-brand{background:var(--brand-light);color:#fff;}
.btn-solid-brand:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost-line{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost-line:hover{border-color:var(--brand-light);color:var(--brand);background:#fff;}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--brand);background:none;border:0;padding:12px 4px;
  border-bottom:2px solid transparent;transition:border-color .2s,color .2s;}
.btn-text:hover{border-bottom-color:var(--brand-light);color:var(--brand-light);}
.btn-block{width:100%;}

/* ---------- 徽章与标签 ---------- */
.badge-soft{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;background:var(--cyan-tint);color:#0C7A6D;}
.badge-purple{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;background:var(--brand-tint);color:var(--brand);}
.badge-orange{display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:6px;
  font-size:12px;letter-spacing:.06em;font-weight:700;background:var(--orange);color:#fff;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:#fff;transition:box-shadow .25s;}
.brand-bar{height:64px;background:#fff;border-bottom:1px solid transparent;transition:height .25s,border-color .25s,background-color .25s;}
.brand-row{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:11px;min-width:0;}
.logo-mark{flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:var(--brand);
  color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;letter-spacing:.02em;}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);line-height:1.2;white-space:nowrap;}
.brand-sub{font-size:12px;color:var(--ink-3);line-height:1.3;white-space:nowrap;}
.brand-right{display:flex;align-items:center;gap:10px;}
.hot-pill{height:32px;padding:0 14px;border-radius:999px;background:var(--bg);
  color:var(--ink-2);font-size:12px;letter-spacing:.02em;display:inline-flex;align-items:center;gap:6px;transition:background-color .2s,color .2s;}
.hot-pill:hover{background:var(--brand-tint);color:var(--brand);}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);cursor:pointer;transition:all .2s;}
.icon-btn:hover{border-color:var(--brand-light);color:var(--brand);background:var(--brand-tint);}
.header-cta{padding:11px 20px;font-size:14px;}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.channel-bar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;transition:height .25s;}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:48px;}
.channel-nav{display:flex;align-items:center;gap:4px;height:100%;}
.channel-link{position:relative;display:inline-flex;align-items:center;height:100%;padding:0 16px;
  font-size:15px;font-weight:600;color:var(--ink-2);transition:color .2s,background-color .2s;}
.channel-link:hover{color:var(--brand);background:var(--brand-tint);border-radius:8px;}
.channel-link.active{color:var(--brand);}
.channel-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:3px;background:var(--brand-light);border-radius:3px;}
.channel-tools{display:flex;align-items:center;gap:14px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box input{width:220px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg);padding:0 42px 0 16px;font-size:14px;color:var(--ink);transition:all .2s;}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(108,76,241,.15);}
.search-box button{position:absolute;right:6px;width:30px;height:30px;border:0;background:none;color:var(--ink-3);cursor:pointer;display:flex;align-items:center;justify-content:center;}
.search-box button:hover{color:var(--brand-light);}
.trend-strip{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.trend-strip::-webkit-scrollbar{display:none;}
.trend-strip .hot-pill{white-space:nowrap;}
.site-header.is-stuck{box-shadow:0 2px 14px rgba(20,18,43,.08);}
.site-header.is-stuck .brand-bar{height:52px;}
.site-header.is-stuck .brand-sub{display:none;}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,43,.55);opacity:0;visibility:hidden;transition:.25s;z-index:1050;}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:#fff;z-index:1060;
  transform:translateX(102%);transition:transform .28s ease;padding:20px;overflow-y:auto;}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-top:18px;}
.drawer-list a{padding:14px 12px;border-radius:10px;font-size:16px;font-weight:600;color:var(--ink-2);}
.drawer-list a:hover,.drawer-list a.active{background:var(--brand-tint);color:var(--brand);}
.drawer-hot{margin-top:22px;}
.drawer-hot h4{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.06em;margin-bottom:12px;}
.drawer-hot .pills{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- Hero ---------- */
.hero{position:relative;background:#fff;padding:72px 0 80px;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--grad);opacity:.85;}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(32px,4.2vw,46px);font-weight:800;margin-bottom:20px;}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;border-top:1px solid var(--line);padding-top:26px;}
.hero-stat .num{font-size:23px;font-weight:800;color:var(--brand);letter-spacing:.01em;display:block;line-height:1.3;}
.hero-stat .lbl{font-size:12px;color:var(--ink-3);letter-spacing:.04em;}
.hero-media{position:relative;}
.hero-media img{border-radius:var(--r-img);border:1px solid var(--line);aspect-ratio:16/11;object-fit:cover;width:100%;}
.hero-deco{position:absolute;right:-14px;bottom:-14px;width:150px;height:96px;border-radius:16px;background:var(--grad);opacity:.82;z-index:-1;}

/* ---------- 价值主张条 ---------- */
.value-strip{background:var(--bg);padding:0 0 8px;}
.value-strip-inner{background:#fff;border:1px solid var(--line);border-radius:20px;margin-top:-40px;position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;}
.value-cell{padding:26px 24px;border-right:1px solid var(--line);}
.value-cell:last-child{border-right:0;}
.value-cell .v-ico{width:34px;height:34px;border-radius:10px;background:var(--brand-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-weight:800;font-size:14px;}
.value-cell .v-title{font-size:15px;font-weight:700;margin-bottom:6px;}
.value-cell .v-desc{font-size:13px;line-height:1.7;color:var(--ink-3);}

/* ---------- 功能分组 ---------- */
.func-grid{display:grid;grid-template-columns:3fr 9fr;gap:48px;}
.func-side{position:sticky;top:140px;align-self:start;}
.func-side h2{margin-bottom:16px;}
.func-side p{font-size:15px;color:var(--ink-2);}
.func-side .side-note{margin-top:22px;font-size:13px;color:var(--ink-3);border-left:3px solid var(--cyan);padding-left:12px;}
.func-group{margin-bottom:44px;}
.func-group:last-child{margin-bottom:0;}
.func-group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.func-group-head .g-index{width:28px;height:28px;border-radius:8px;background:var(--grad);opacity:.9;color:#fff;
  font-size:13px;font-weight:800;display:flex;align-items:center;justify-content:center;}
.func-list{border-top:1px solid var(--line);}
.func-item{display:flex;gap:16px;padding:20px 12px;border-bottom:1px solid var(--line);border-radius:8px;transition:background-color .2s;}
.func-item:hover{background:var(--bg);}
.func-item .f-ico{flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:var(--brand-tint);color:var(--brand);
  display:flex;align-items:center;justify-content:center;}
.func-item h4{font-size:16px;font-weight:700;margin-bottom:5px;}
.func-item p{font-size:14px;line-height:1.75;color:var(--ink-2);margin:0;}

/* ---------- 使用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.scene-card{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D6CDFA;}
.scene-card.offset{margin-top:56px;}
.scene-card img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.scene-body{padding:26px 26px 28px;}
.scene-body h3{margin:14px 0 10px;}
.scene-body p{font-size:15px;line-height:1.8;color:var(--ink-2);}
.scene-card.dark{background:var(--dark);border-color:rgba(255,255,255,.10);}
.scene-card.dark h3{color:#fff;}
.scene-card.dark p{color:rgba(255,255,255,.72);}
.scene-card.dark .badge-soft{background:rgba(20,200,180,.18);color:#7BE4D6;}
.scene-card.dark .scene-body{border-top:1px solid rgba(255,255,255,.10);}

/* ---------- 成功案例 ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.case-card{display:grid;grid-template-columns:5fr 7fr;gap:0;border-radius:var(--r-card);overflow:hidden;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.case-card img{height:100%;width:100%;object-fit:cover;aspect-ratio:3/4;}
.case-body{padding:28px 26px;display:flex;flex-direction:column;}
.case-quote{font-size:16px;line-height:1.8;color:var(--ink);margin-bottom:18px;font-weight:500;}
.case-meta{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.case-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;}

/* ---------- 价格 ---------- */
.price-section{background:var(--bg);}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.price-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px 28px;box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s;}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.price-card.featured{border:2px solid var(--brand-light);transform:translateY(-8px);box-shadow:var(--sh-lg);}
.price-card.featured:hover{transform:translateY(-12px);}
.price-card .rec{position:absolute;top:-13px;left:26px;}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-card .p-desc{font-size:14px;color:var(--ink-3);margin-bottom:20px;}
.price-num{font-size:32px;font-weight:800;color:var(--brand);line-height:1.2;}
.price-num small{font-size:14px;font-weight:600;color:var(--ink-3);margin-left:6px;}
.price-list{margin:22px 0 26px;border-top:1px solid var(--line);padding-top:20px;display:flex;flex-direction:column;gap:12px;}
.price-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--ink-2);}
.price-list li svg{flex:0 0 auto;margin-top:6px;color:var(--cyan);}
.price-note{text-align:center;font-size:13px;color:var(--ink-3);margin-top:26px;}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D6CDFA;}
.news-card:hover .news-title{color:var(--brand-light);}
.news-cover{aspect-ratio:16/10;width:100%;object-fit:cover;border-radius:0;}
.news-cover-ph{aspect-ratio:16/10;width:100%;background:linear-gradient(135deg,#EDE9FC,#E4F8F5);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:17px;font-weight:700;line-height:1.55;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s;}
.news-sum{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--ink-3);}
.news-foot .read{color:var(--brand);font-weight:600;}
.empty-state{grid-column:1/-1;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:56px 24px;}
.empty-state .es-ico{width:56px;height:56px;border-radius:16px;border:1.5px solid #D6CDFA;color:var(--brand-light);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:none;border:0;padding:22px 18px 22px 20px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;position:relative;transition:background-color .2s;border-radius:8px;}
.faq-q::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:transparent;transition:background-color .2s;}
.faq-q:hover{background:var(--bg);}
.faq-q .chev{flex:0 0 auto;color:var(--ink-3);transition:transform .25s,color .25s;}
.faq-item.open .faq-q{background:var(--bg);}
.faq-item.open .faq-q::before{background:var(--brand-light);}
.faq-item.open .chev{transform:rotate(180deg);color:var(--brand-light);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 20px 24px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--dark);border-radius:20px;padding:52px 48px;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-band::after{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);pointer-events:none;}
.cta-band .cta-text{position:relative;z-index:1;max-width:640px;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;}
.cta-band .cta-act{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:40px;padding-bottom:52px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--brand-light);}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:800;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--cyan);}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:999px;background:var(--brand-light);
  color:#fff;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;
  transition:opacity .25s,transform .25s,background-color .2s;z-index:1030;box-shadow:0 10px 24px rgba(108,76,241,.34);}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .hero-grid{gap:40px;}
  .search-box input{width:170px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .brand-sub{display:none;}
  .header-cta{display:none;}
  .hot-pill.top-pill{display:none;}
  .burger{display:flex;}
  .channel-bar{display:none;}
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;}
  .hero-deco{width:110px;height:70px;right:-8px;bottom:-8px;}
  .value-strip-inner{grid-template-columns:repeat(2,1fr);}
  .value-cell:nth-child(2){border-right:0;}
  .value-cell:nth-child(1),.value-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .func-grid{grid-template-columns:1fr;gap:28px;}
  .func-side{position:static;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-card.offset{margin-top:0;}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:28px;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .brand-bar{height:56px;}
  .logo-mark{width:34px;height:34px;font-size:15px;}
  .logo-text{font-size:15px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:22px;}
  .hero-stat .num{font-size:21px;}
  .value-strip-inner{grid-template-columns:1fr;}
  .value-cell{border-right:0;border-bottom:1px solid var(--line);padding:22px 20px;}
  .value-cell:last-child{border-bottom:0;}
  .scene-body{padding:22px 20px 24px;}
  .case-card{grid-template-columns:1fr;}
  .case-card img{aspect-ratio:16/9;}
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-band .cta-act{width:100%;}
  .cta-band .cta-act .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
  .faq-q{font-size:16px;padding:18px 14px 18px 16px;}
}

/* roulang page: article */
:root{
  --brand-deep:#34256B;
  --brand:#6C4CF1;
  --brand-soft:#F1EEFE;
  --brand-line:#DAD3FB;
  --cyan:#14C8B4;
  --cyan-soft:#E4F9F6;
  --cyan-deep:#0E8E80;
  --orange:#FF7A2F;
  --orange-deep:#E8651C;
  --ink:#14122B;
  --text:#1B1B22;
  --text-2:#52525F;
  --text-3:#8A8A99;
  --line:#E3E1EE;
  --page:#F7F6FB;
  --card:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:6px;
  --r-panel:20px;
  --sh-1:0 1px 2px rgba(20,18,43,.06),0 8px 24px rgba(20,18,43,.06);
  --sh-2:0 14px 32px rgba(20,18,43,.10);
  --font:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:575.98px){.container{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(6px);
  transition:box-shadow .25s ease,background-color .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px rgba(20,18,43,.07);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
  transition:min-height .25s ease;
}
.site-header.is-stuck .topbar-inner{min-height:52px}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:var(--text);
}
.brand:hover{color:var(--text)}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--cyan) 100%);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text{font-size:18px;font-weight:800;color:var(--brand-deep);letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--text-3);font-weight:400;margin-top:2px}
.topbar-right{display:flex;align-items:center;gap:10px}
.hot-pills{display:flex;align-items:center;gap:8px}
.hot-pill{
  font-size:12px;
  color:var(--text-2);
  background:var(--page);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 12px;
  transition:all .2s ease;
}
.hot-pill:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-deep)}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand-line);background:var(--brand-soft);color:var(--brand-deep)}
.channel-nav{
  display:flex;
  align-items:center;
  gap:6px;
  min-height:48px;
  border-top:1px solid var(--line);
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  border-radius:8px 8px 0 0;
  transition:all .2s ease;
}
.channel-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.channel-link.active{color:var(--brand-deep);font-weight:800}
.channel-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:3px;
  border-radius:3px 3px 0 0;
  background:var(--brand);
}
.channel-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border-top:1px solid var(--line);
}
.channel-nav{border-top:none}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  flex-shrink:0;
}
.nav-search i{position:absolute;left:14px;color:var(--text-3);font-size:13px}
.nav-search input{
  width:210px;
  padding:9px 14px 9px 34px;
  font-size:14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--page);
  color:var(--text);
  transition:all .2s ease;
}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(108,76,241,.16);
}
.trend-bar{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--text-3);
  white-space:nowrap;
}
.trend-bar a{font-size:12px;color:var(--text-2);background:var(--page);border-radius:999px;padding:4px 10px;border:1px solid var(--line)}
.trend-bar a:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand-line)}
.menu-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-deep);
  font-size:16px;
}
@media (max-width:1199.98px){.trend-bar{display:none}}
@media (max-width:991.98px){
  .hot-pills{display:none}
  .channel-row{display:none}
  .menu-toggle{display:inline-flex}
}
@media (max-width:575.98px){
  .brand-sub{display:none}
  .logo-text{font-size:16px}
  .btn-ghost{display:none}
}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,18,43,.55);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1040;
}
.drawer{
  position:fixed;
  top:0;right:0;
  width:300px;max-width:86vw;height:100%;
  background:#fff;
  z-index:1050;
  transform:translateX(102%);
  transition:transform .28s ease;
  padding:20px 20px 32px;
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin:18px 0}
.drawer-nav a{
  padding:12px 14px;
  border-radius:10px;
  color:var(--text-2);
  font-weight:600;
  font-size:15px;
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.drawer-pills a{font-size:12px;background:var(--page);border:1px solid var(--line);border-radius:999px;padding:5px 12px;color:var(--text-2)}

/* ---------- 通用按钮 ---------- */
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:700;
  border:1px solid var(--orange);
  transition:all .2s ease;
}
.btn-main:hover{background:var(--orange-deep);border-color:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--brand-deep);
  font-size:15px;
  font-weight:700;
  border:1.5px solid var(--brand);
  transition:all .2s ease;
}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-deep);
  padding:9px 16px;
  border-radius:999px;
  background:var(--brand-soft);
  transition:all .2s ease;
}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--brand);
  border-bottom:2px solid transparent;
  padding-bottom:2px;
  transition:all .2s ease;
}
.btn-text:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);transform:translateY(-1px)}

/* ---------- 徽章 / 标签 ---------- */
.badge-cat{
  display:inline-flex;
  align-items:center;
  height:25px;
  padding:0 10px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  border-radius:var(--r-badge);
  background:var(--cyan-soft);
  color:var(--cyan-deep);
}
.badge-state{
  display:inline-flex;align-items:center;height:25px;padding:0 10px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  border-radius:var(--r-badge);
  background:var(--brand-soft);
  color:var(--brand-deep);
}
.tag-pill{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  color:var(--text-2);
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
  transition:all .2s ease;
}
.tag-pill:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand-deep)}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
  padding:14px 0;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--line)}
.crumb .current{color:var(--text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:575.98px){.crumb .current{max-width:200px}}

/* ---------- 文章头 ---------- */
.article-head{
  background:#fff;
  padding:34px 0 30px;
  border-bottom:1px solid var(--line);
}
.article-head h1{
  font-size:clamp(26px,3.2vw,36px);
  line-height:1.3;
  font-weight:800;
  color:var(--brand-deep);
  margin:16px 0 18px;
  max-width:900px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--text-3);
}
.article-meta .dot{width:1px;height:13px;background:var(--line);display:inline-block}
.article-meta strong{color:var(--text-2);font-weight:600}

/* ---------- 正文布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
  padding:44px 0 72px;
}
@media (max-width:991.98px){
  .article-layout{grid-template-columns:1fr;gap:32px;padding:32px 0 56px}
}
.article-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:36px 40px 40px;
}
@media (max-width:575.98px){.article-panel{padding:22px 18px 26px;border-radius:12px}}
.article-content{
  max-width:800px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.article-content p{margin:0 0 1.15em}
.article-content h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  color:var(--brand-deep);
  margin:52px 0 18px;
  padding-left:16px;
}
.article-content h2::before{
  content:"";
  position:absolute;
  left:0;top:.2em;bottom:.2em;
  width:4px;border-radius:2px;
  background:var(--brand);
}
.article-content h3{
  font-size:20px;
  font-weight:600;
  margin:34px 0 14px;
  color:var(--text);
}
.article-content h4{font-size:17px;font-weight:700;margin:26px 0 12px}
.article-content ul{margin:0 0 1.2em}
.article-content ul li{
  position:relative;
  padding-left:20px;
  margin-bottom:11px;
  line-height:1.9;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:2px;top:.75em;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
}
.article-content ol{
  list-style:decimal;
  padding-left:24px;
  margin:0 0 1.2em;
}
.article-content ol li{margin-bottom:11px;line-height:1.9}
.article-content ol li::marker{color:var(--brand);font-weight:700}
.article-content blockquote{
  border-left:4px solid var(--cyan);
  background:var(--page);
  border-radius:0 12px 12px 0;
  padding:18px 22px;
  margin:26px 0;
  font-size:18px;
  font-style:italic;
  color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{
  width:100%;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  margin:26px 0;
}
.article-content a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-content a:hover{color:var(--brand-deep)}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-content th,.article-content td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-content thead th{background:var(--brand-soft);color:var(--brand-deep)}
.article-content tbody tr:nth-child(even){background:var(--page)}
.article-content hr{border:none;border-top:1px solid var(--line);margin:34px 0}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 24px;
  background:var(--page);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state i{
  font-size:38px;
  color:var(--brand);
  border:2px solid var(--brand-line);
  border-radius:50%;
  width:76px;height:76px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.empty-state p{color:var(--text-2);margin-bottom:20px;font-size:15px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:120px;display:flex;flex-direction:column;gap:20px}
@media (max-width:991.98px){.sidebar{position:static}}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px 22px;
}
.side-card h3{
  font-size:15px;
  font-weight:800;
  color:var(--brand-deep);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-card h3::before{
  content:"";
  width:4px;height:14px;border-radius:2px;
  background:var(--cyan);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  font-size:14px;
  color:var(--text-2);
  padding:8px 10px;
  border-radius:8px;
  line-height:1.5;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.mini-post{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.mini-post:last-child{border-bottom:none;padding-bottom:0}
.mini-post img{width:64px;height:64px;border-radius:10px;object-fit:cover;flex-shrink:0;border:1px solid var(--line)}
.mini-post h4{font-size:14px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:4px}
.mini-post:hover h4{color:var(--brand)}
.mini-post span{font-size:12px;color:var(--text-3)}
.side-cta{
  background:var(--ink);
  border-radius:var(--r-panel);
  padding:22px;
  color:#fff;
  border:1px solid rgba(255,255,255,.10);
}
.side-cta h3{color:#fff;font-size:16px;font-weight:800;margin-bottom:8px}
.side-cta p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.72);margin-bottom:16px}
.side-cta .btn-main{width:100%}

/* ---------- 文章尾部 ---------- */
.article-foot{border-top:1px solid var(--line);margin-top:44px;padding-top:28px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.tag-row .label{font-size:13px;color:var(--text-3);margin-right:4px}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:34px}
@media (max-width:575.98px){.post-nav{grid-template-columns:1fr}}
.post-nav a{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--page);
  transition:all .2s ease;
}
.post-nav a:hover{border-color:var(--brand-line);background:var(--brand-soft);transform:translateY(-2px)}
.post-nav .dir{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.post-nav .ttl{font-size:14px;font-weight:700;color:var(--brand-deep);line-height:1.55}
.rel-title{font-size:18px;font-weight:800;color:var(--brand-deep);margin-bottom:16px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:767.98px){.rel-grid{grid-template-columns:1fr}}
.rel-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:all .2s ease;
  display:flex;
  flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;border-bottom:1px solid var(--line)}
.rel-card .rel-body{padding:16px 18px 18px}
.rel-card h4{font-size:15px;font-weight:700;line-height:1.6;margin:10px 0 8px;color:var(--text)}
.rel-card:hover h4{color:var(--brand)}
.rel-card p{font-size:13px;color:var(--text-2);line-height:1.7}
.foot-back{margin-top:26px;display:flex;justify-content:center}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--ink);
  border-radius:var(--r-panel);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.10);
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:26px;font-weight:800;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:620px}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .cta-band .btn-main{width:100%}
}
.section{padding:88px 0}
@media (max-width:991.98px){.section{padding:72px 0}}
@media (max-width:575.98px){.section{padding:56px 0}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:56px 0 26px;margin-top:56px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .logo-text{color:#fff;font-size:17px}
.site-footer p{font-size:14px;line-height:1.8;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--cyan)}
.footer-contact li{font-size:14px;margin-bottom:10px;line-height:1.7}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:38px;
  padding-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
@media (max-width:575.98px){.footer-bottom{flex-direction:column;align-items:flex-start}}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:22px;bottom:26px;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--brand);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 24px rgba(108,76,241,.32);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all .25s ease;
  z-index:1020;
}
.to-top:hover{background:var(--brand-deep);color:#fff}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
@media (max-width:575.98px){.to-top{right:14px;bottom:16px}}

/* roulang page: category1 */
:root{
  --brand-deep:#34256B;
  --brand:#6C4CF1;
  --brand-soft:#F1EEFE;
  --cyan:#14C8B4;
  --cyan-deep:#0E8C7E;
  --cyan-soft:#E6F9F6;
  --orange:#FF7A2F;
  --ink:#1B1B22;
  --ink-2:#52525F;
  --ink-3:#8A8A99;
  --line:#E3E1EE;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --deep:#14122B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(20,18,43,.06),0 8px 24px rgba(20,18,43,.06);
  --shadow-2:0 14px 32px rgba(20,18,43,.10);
  --font:"system-ui","-apple-system","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:575.98px){.container{padding:0 16px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(20,18,43,.07)}
.brand-bar{padding:8px 0}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.logo-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.04em;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{display:block;font-size:19px;font-weight:800;letter-spacing:.01em;line-height:1.25}
.brand-sub{display:block;font-size:12px;color:var(--ink-3);line-height:1.5}
.brand-right{display:flex;align-items:center;gap:10px}
.hot-pill{
  font-size:12px;line-height:1;padding:8px 12px;border-radius:999px;
  background:var(--bg);color:var(--ink-2);border:1px solid var(--line);white-space:nowrap;
}
.hot-pill:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#DAD2FB}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#D3C9FA;background:var(--brand-soft)}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--orange);color:#fff;font-weight:600;font-size:15px;
  padding:11px 20px;border-radius:var(--r-btn);border:none;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary-solid:hover{filter:brightness(.94);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand-deep);border:1.5px solid var(--brand);
  padding:10px 20px;border-radius:var(--r-btn);font-weight:600;font-size:15px;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .18s ease;
}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.btn-text-link{color:var(--brand-deep);font-weight:600;position:relative;padding-bottom:2px}
.btn-text-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(.35);transform-origin:left;transition:transform .22s ease}
.btn-text-link:hover::after{transform:scaleX(1)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
.channel-nav{
  display:flex;align-items:center;gap:6px;
  border-top:1px solid var(--line);
  min-height:48px;
}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:15px;color:var(--ink-2);font-weight:500;border-radius:8px 8px 0 0;
}
.channel-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.channel-link.active{color:var(--ink);font-weight:700}
.channel-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand);
}
.nav-search{margin-left:auto;display:flex;align-items:center;position:relative}
.nav-search i{position:absolute;left:14px;color:var(--ink-3);font-size:13px}
.nav-search input{
  width:220px;height:36px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 42px 0 36px;font-size:13.5px;color:var(--ink);outline:none;transition:all .2s ease;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,76,241,.16)}
.nav-search button{
  position:absolute;right:5px;width:28px;height:28px;border-radius:999px;border:none;background:var(--brand);
  color:#fff;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.nav-search button:hover{background:var(--brand-deep)}

/* 抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(20,18,43,.55);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-overlay.show{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;width:min(340px,86vw);height:100%;background:#fff;z-index:1060;
  transform:translateX(105%);transition:transform .28s ease;padding:20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(20,18,43,.14);
}
.nav-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:18px;color:var(--ink-2);cursor:pointer}
.drawer-search{position:relative;margin-bottom:18px}
.drawer-search input{width:100%;height:44px;border-radius:999px;border:1px solid var(--line);padding:0 16px 0 40px;font-size:14px;outline:none}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,76,241,.16)}
.drawer-search i{position:absolute;left:16px;top:15px;color:var(--ink-3);font-size:14px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-links a{padding:13px 14px;border-radius:10px;color:var(--ink-2);font-size:15.5px;font-weight:500}
.drawer-links a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand-deep);font-weight:700}
.drawer-hot-title{font-size:12px;letter-spacing:.06em;color:var(--ink-3);margin-bottom:10px}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px}
.drawer-hot a{font-size:12.5px;padding:7px 12px;border-radius:999px;background:var(--bg);color:var(--ink-2);border:1px solid var(--line)}
.drawer-hot a:hover{background:var(--brand-soft);color:var(--brand-deep)}

/* ============ 面包屑 ============ */
.breadcrumb-bar{padding:18px 0 6px}
.crumbs{font-size:12.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C9C6DC}
.crumbs .current{color:var(--ink-2);font-weight:600}

/* ============ 横幅 ============ */
.page-banner{
  position:relative;border-radius:20px;overflow:hidden;min-height:250px;
  display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-1);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,18,43,.88) 0%,rgba(52,37,107,.74) 52%,rgba(20,18,43,.42) 100%);
}
.banner-inner{position:relative;z-index:2;padding:48px 8px;color:#fff}
.banner-inner h1{
  color:#fff;font-size:clamp(26px,3.2vw,36px);font-weight:800;line-height:1.3;margin:14px 0 12px;max-width:760px;
}
.banner-inner p{color:rgba(255,255,255,.82);font-size:15px;max-width:640px;margin:0}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:6px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.badge-cyan{background:var(--cyan-soft);color:var(--cyan-deep)}
.badge-violet{background:var(--brand-soft);color:var(--brand-deep)}
.badge-orange{background:var(--orange);color:#fff}
.badge-on-dark{background:rgba(20,200,180,.18);color:#7CF0E2;border:1px solid rgba(20,200,180,.36)}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:22px 0 18px;border-bottom:1px solid var(--line);
}
.filter-chip{
  font-size:13.5px;padding:8px 15px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--ink-2);cursor:pointer;transition:all .2s ease;
}
.filter-chip:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:#DAD2FB}
.filter-chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.filter-count{margin-left:auto;font-size:13px;color:var(--ink-3)}
.filter-count b{color:var(--brand-deep);font-size:15px}

/* ============ 行式条目流 ============ */
.section{padding:56px 0}
.section-tight{padding:42px 0 56px}
.section-head{margin-bottom:30px}
.section-head h2{font-size:clamp(23px,2.4vw,29px);font-weight:700;line-height:1.35}
.section-head .lead{color:var(--ink-2);font-size:15px;margin-top:12px;max-width:720px}
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:4fr 8fr;gap:28px;align-items:flex-start;
  padding:28px 0;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.row-item:hover{background:rgba(108,76,241,.03)}
.row-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--bg)}
.row-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);transition:transform .35s ease}
.row-item:hover .row-media img{transform:scale(1.03)}
.row-body h3{font-size:19px;font-weight:600;margin:10px 0 10px}
.row-body h3 a{color:var(--ink)}
.row-body h3 a:hover{color:var(--brand)}
.row-body p{font-size:14.5px;line-height:1.78;color:var(--ink-2);margin:0 0 14px;max-width:44em}
.row-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.row-meta .dot{width:4px;height:4px;border-radius:50%;background:#C9C6DC}
.row-meta .read-link{margin-left:auto;color:var(--brand);font-weight:600;font-size:13.5px}
.row-meta .read-link i{transition:transform .2s ease;font-size:11px;margin-left:4px}
.row-meta .read-link:hover i{transform:translateX(3px)}

/* ============ 数据条 ============ */
.stat-strip{
  margin-top:8px;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:26px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.stat-strip .stat{border-right:1px solid var(--line);padding-right:18px}
.stat-strip .stat:last-child{border-right:none;padding-right:0}
.stat-num{
  font-size:26px;font-weight:800;color:var(--brand-deep);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-num span{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-desc{font-size:13px;color:var(--ink-3);margin-top:6px}

/* ============ 要点双栏 ============ */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DAD2FB}
.tip-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.tip-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.tip-card p{font-size:14px;color:var(--ink-2);line-height:1.75;margin:0}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--deep);border-radius:20px;padding:44px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid rgba(255,255,255,.10);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(108,76,241,.16) 0 2px,transparent 2px 12px);
  opacity:.5;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.4}
.cta-band p{color:rgba(255,255,255,.72);font-size:14.5px;margin:10px 0 0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);margin-top:64px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--brand) 0%,var(--cyan) 135%);}
.footer-brand .logo-text{color:#fff;font-size:18px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;max-width:34em}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px}
.footer-links a:hover{color:var(--cyan)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 回到顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:32px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;border:none;cursor:pointer;font-size:15px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(108,76,241,.34);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s ease;z-index:1030;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-deep)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search input{width:180px}
}
@media (max-width:991.98px){
  .channel-nav{display:none}
  .menu-toggle{display:flex}
  .brand-sub{display:none}
  .hot-pill{display:none}
  .container{padding:0 20px}
  .row-item{grid-template-columns:1fr;gap:16px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip .stat:nth-child(2){border-right:none;padding-right:0}
  .tips-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .cta-actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .banner-inner{padding:36px 4px}
  .tips-grid{grid-template-columns:1fr}
  .row-item{padding:22px 0}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .section{padding:44px 0}
  .page-banner{min-height:210px;border-radius:16px}
  .stat-strip{grid-template-columns:1fr;padding:22px 18px}
  .stat-strip .stat{border-right:none;border-bottom:1px solid var(--line);padding:0 0 14px}
  .stat-strip .stat:last-child{border-bottom:none;padding-bottom:0}
  .cta-actions .btn-primary-solid,.cta-actions .btn-outline-brand{width:100%}
  .filter-count{margin-left:0;width:100%}
  .to-top{right:16px;bottom:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-900:#34256B;
  --brand-700:#4F38C0;
  --brand-600:#6C4CF1;
  --brand-050:#F1EEFE;
  --cyan:#14C8B4;
  --cyan-050:#E4FAF7;
  --cyan-800:#0E8F80;
  --orange:#FF7A2F;
  --orange-600:#EE6A1E;
  --ink:#1B1B22;
  --ink-2:#52525F;
  --ink-3:#8A8A99;
  --line:#E3E1EE;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --deep:#14122B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(20,18,43,.06),0 8px 24px rgba(20,18,43,.06);
  --sh-2:0 14px 32px rgba(20,18,43,.10);
  --font:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1600px){.container{max-width:1320px}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  text-decoration:none;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange)}
.btn-primary:hover{background:var(--orange-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-outline{background:#fff;color:var(--brand-900);border-color:var(--brand-600)}
.btn-outline:hover{background:var(--brand-050);color:var(--brand-900);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:transparent}
.btn-ghost:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:6px}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  line-height:1;
}
.badge-cyan{background:var(--cyan-050);color:var(--cyan-800)}
.badge-purple{background:var(--brand-050);color:var(--brand-900)}
.badge-orange{background:var(--orange);color:#fff}

.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:28px;font-weight:700;line-height:1.35;color:var(--ink);margin-bottom:14px}
.section-head p{font-size:15px;color:var(--ink-2);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:linear-gradient(135deg,var(--brand-600),var(--cyan))}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(20,18,43,.07);
}
.header-top{height:64px;display:flex;align-items:center;transition:height .25s ease}
.site-header.is-stuck .header-top{height:52px}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none}
.brand:hover{text-decoration:none}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,#6C4CF1,#14C8B4 135%);
  background-color:var(--brand-900);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;
}
.brand-copy{display:flex;flex-direction:column;line-height:1.2}
.logo-text{font-size:18px;font-weight:800;color:var(--brand-900);letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--ink-3);margin-top:3px}
.header-actions{display:flex;align-items:center;gap:10px}
.hot-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--bg);
  color:var(--ink-2);
  font-size:12px;
  letter-spacing:.04em;
  transition:.2s ease;
}
.hot-pill:hover{background:var(--brand-050);color:var(--brand-900);text-decoration:none}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:.2s ease;
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-600);background:var(--brand-050)}
.drawer-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-900);
  align-items:center;justify-content:center;
}
.header-channel{border-top:1px solid var(--line);background:#fff}
.header-channel-inner{display:flex;align-items:center;gap:20px;height:48px}
.channel-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.channel-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:48px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;
  transition:.2s ease;
}
.channel-link:hover{background:var(--brand-050);color:var(--brand-900);text-decoration:none}
.channel-link.active{color:var(--brand-900);font-weight:700}
.channel-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:var(--brand-600);
}
.header-search{
  position:relative;display:flex;align-items:center;
  width:236px;height:36px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--bg);
  transition:.2s ease;
}
.header-search i{position:absolute;left:14px;color:var(--ink-3);font-size:13px}
.header-search input{
  width:100%;height:100%;border:0;background:transparent;outline:none;
  padding:0 16px 0 34px;font-size:13px;color:var(--ink);
}
.header-search input::placeholder{color:var(--ink-3)}
.header-search:focus-within{border-color:var(--brand-600);background:#fff;box-shadow:0 0 0 3px rgba(108,76,241,.14)}
.trend-strip{display:flex;align-items:center;gap:8px;flex:0 0 auto;border-left:1px solid var(--line);padding-left:16px}
.trend-label{font-size:12px;color:var(--ink-3);letter-spacing:.06em}
.trend-pill{
  font-size:12px;color:var(--ink-2);background:var(--bg);
  padding:5px 10px;border-radius:var(--r-pill);white-space:nowrap;
}
.trend-pill:hover{background:var(--brand-050);color:var(--brand-900);text-decoration:none}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,18,43,.55);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;z-index:1050;
  transform:translateX(100%);transition:transform .28s ease;
  padding:20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-size:16px;font-weight:700;color:var(--brand-900)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2)}
.drawer-search{
  position:relative;display:flex;align-items:center;height:44px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg);margin-bottom:18px;
}
.drawer-search i{position:absolute;left:14px;color:var(--ink-3);font-size:13px}
.drawer-search input{width:100%;height:100%;border:0;background:transparent;outline:none;padding:0 16px 0 34px;font-size:14px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:10px;
  color:var(--ink);font-size:15px;font-weight:500;background:var(--bg);
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-900);text-decoration:none}
.drawer-nav a.active{background:var(--brand-050);color:var(--brand-900);font-weight:700}
.drawer-hot{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.drawer-hot span{font-size:12px;color:var(--ink-3);letter-spacing:.06em}
.drawer-hot a{font-size:12px;color:var(--ink-2);background:var(--bg);padding:6px 12px;border-radius:var(--r-pill)}
.drawer-hot a:hover{background:var(--brand-050);color:var(--brand-900);text-decoration:none}

/* ============ 分类横幅 ============ */
.cat-banner{
  position:relative;
  min-height:260px;
  display:flex;align-items:center;
  background-image:linear-gradient(115deg,rgba(20,18,43,.86),rgba(52,37,107,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.cat-banner::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;
  background:linear-gradient(135deg,rgba(108,76,241,.75),rgba(20,200,180,.55));
  border-radius:50%;filter:blur(6px);opacity:.35;pointer-events:none;
}
.cat-banner .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
.breadcrumb-nav{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.breadcrumb-nav a{color:rgba(255,255,255,.82);text-decoration:none}
.breadcrumb-nav a:hover{color:#14C8B4;text-decoration:none}
.breadcrumb-nav .sep{margin:0 8px;color:rgba(255,255,255,.45)}
.breadcrumb-nav .current{color:#fff}
.cat-banner h1{
  font-size:clamp(26px,3.2vw,36px);
  font-weight:800;
  line-height:1.3;
  color:#fff;
  max-width:820px;
  margin-bottom:14px;
}
.cat-banner .banner-sub{font-size:15px;color:rgba(255,255,255,.78);max-width:720px;line-height:1.8}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.banner-tags span{
  font-size:12px;letter-spacing:.06em;color:#fff;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.16);
  padding:6px 12px;border-radius:var(--r-pill);
}

/* ============ 筛选与结果计数 ============ */
.cat-list{padding-top:56px}
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  justify-content:space-between;
  padding-bottom:22px;
  margin-bottom:28px;
  border-bottom:1px solid var(--line);
}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  min-height:38px;padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  font-size:13px;font-weight:600;
  transition:.2s ease;
}
.chip:hover{border-color:var(--brand-600);color:var(--brand-900);background:var(--brand-050)}
.chip.active{background:var(--brand-900);border-color:var(--brand-900);color:#fff}
.result-count{font-size:13px;color:var(--ink-3);letter-spacing:.02em}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CDFB}
.news-card:hover .card-title a{color:var(--brand-600)}
.card-cover{display:block;overflow:hidden}
.card-cover img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
  transition:transform .32s ease;
}
.news-card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body .badge{align-self:flex-start;margin-bottom:12px}
.card-title{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px}
.card-title a{color:var(--ink);text-decoration:none;transition:color .2s ease}
.card-title a:hover{text-decoration:none}
.card-desc{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);
}
.card-meta i{margin-right:5px}
.card-link{font-size:13px;font-weight:600;color:var(--brand-600)}
.card-link:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:4px}

/* ============ 分页 ============ */
.pagination-wrap{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.page-btn{
  min-width:44px;height:44px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  font-size:14px;font-weight:600;
  transition:.2s ease;
}
.page-btn:hover{border-color:var(--brand-600);background:var(--brand-050);color:var(--brand-900);text-decoration:none}
.page-btn.current{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.page-btn.page-ellipsis{border:0;background:transparent;color:var(--ink-3);pointer-events:none}

/* ============ FAQ ============ */
.faq-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-question{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 18px 22px 20px;
  background:transparent;border:0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;
  transition:background-color .2s ease,color .2s ease;
}
.faq-question:hover{background:var(--bg)}
.faq-item.open .faq-question{background:var(--bg);color:var(--brand-900)}
.faq-item.open .faq-question::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:2px;background:var(--brand-600);
}
.faq-question i{flex:0 0 auto;color:var(--brand-600);transition:transform .25s ease;font-size:14px}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{
  display:none;
  padding:0 24px 24px 20px;
  background:var(--bg);
}
.faq-item.open .faq-answer{display:block}
.faq-answer p{font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ============ CTA ============ */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;
  background:var(--deep);
  border-radius:var(--r-block);
  padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid rgba(255,255,255,.10);
  overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:26px;font-weight:700;color:#fff;line-height:1.4;margin-bottom:12px}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.72);line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap}
.cta-actions .btn-outline{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.10);color:#fff;border-color:#14C8B4}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.10)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .logo-mark{background:linear-gradient(135deg,#6C4CF1,#14C8B4);color:#fff}
.site-footer .logo-text{color:#fff;font-size:18px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:420px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#14C8B4;text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact li{font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.52);
}

/* ============ 回到顶部 ============ */
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:1020;
  width:44px;height:44px;border-radius:50%;
  border:0;background:var(--brand-600);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(108,76,241,.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--brand-900)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .trend-strip{display:none}
  .header-search{width:200px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .cat-list{padding-top:44px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{padding:40px 36px}
  .header-search{display:none}
  .desktop-only{display:none !important}
  .drawer-toggle{display:inline-flex}
  .channel-nav{overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .channel-nav::-webkit-scrollbar{display:none}
  .cat-banner{min-height:230px}
}
@media (max-width:767.98px){
  .cat-banner h1{font-size:26px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:575.98px){
  .section{padding:56px 0}
  .cat-list{padding-top:36px}
  .card-grid{grid-template-columns:1fr;gap:16px}
  .card-body{padding:18px}
  .card-title{font-size:17px}
  .section-head h2{font-size:23px}
  .filter-bar{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{padding-bottom:56px}
  .cta-copy h2{font-size:21px}
  .back-top{right:16px;bottom:20px}
  .header-top{height:56px}
  .logo-text{font-size:16px}
}

/* roulang page: category3 */
:root{
  --purple-deep:#34256B;
  --purple:#6C4CF1;
  --purple-soft:#F1EEFE;
  --teal:#14C8B4;
  --teal-deep:#0B8F82;
  --teal-soft:#E4F8F5;
  --orange:#FF7A2F;
  --orange-dark:#F06A1F;
  --ink:#1B1B22;
  --ink-2:#52525F;
  --ink-3:#8A8A99;
  --line:#E3E1EE;
  --bg:#F7F6FB;
  --card:#FFFFFF;
  --dark:#14122B;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-dark:20px;
  --shadow-sm:0 1px 2px rgba(20,18,43,.06),0 8px 24px rgba(20,18,43,.06);
  --shadow-hover:0 14px 32px rgba(20,18,43,.10);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--purple);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:var(--purple-deep)}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:700}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--purple);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1320px}}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:15px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--teal-deep);background:var(--teal-soft);
  border-radius:6px;padding:4px 10px;margin-bottom:16px;
}
.eyebrow.purple{color:var(--purple-deep);background:var(--purple-soft)}
.text-muted-2{color:var(--ink-2)}
.text-muted-3{color:var(--ink-3)}

/* ===== 按钮 ===== */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--orange);color:#fff;font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  min-height:46px;transition:all .22s ease;cursor:pointer;
}
.btn-main:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.28)}
.btn-sub{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--purple-deep);font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:var(--r-btn);border:1.5px solid var(--purple);
  min-height:46px;transition:all .22s ease;cursor:pointer;
}
.btn-sub:hover{background:var(--purple-soft);color:var(--purple-deep);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--purple-deep);border-bottom:2px solid transparent;padding-bottom:2px;
}
.btn-text:hover{border-bottom-color:var(--purple);color:var(--purple)}
.btn-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13.5px;color:var(--ink-2);font-weight:500;
}
.btn-pill:hover{border-color:var(--purple);color:var(--purple-deep);background:var(--purple-soft)}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);transition:box-shadow .25s ease,background .25s ease}
.brand-bar{border-bottom:1px solid transparent;transition:height .25s ease,border-color .25s ease}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:64px;transition:height .25s ease}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,var(--purple),var(--purple-deep));
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text{font-size:17px;font-weight:800;color:var(--purple-deep);letter-spacing:.01em}
.brand-sub{font-size:12px;color:var(--ink-3);font-weight:400}
.brand-tools{display:flex;align-items:center;gap:10px}
.hot-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;
  background:var(--bg);color:var(--ink-2);border-radius:999px;padding:7px 14px;border:1px solid transparent;
}
.hot-pill:hover{background:var(--purple-soft);color:var(--purple-deep);border-color:#DDD4FB}
.hot-pill i{color:var(--teal)}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-soft)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--purple-deep);background:var(--purple-soft);border-radius:999px;padding:9px 18px;
}
.btn-ghost:hover{background:#E5DFFD;color:var(--purple-deep)}
.nav-toggle{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--purple-deep);display:none;align-items:center;justify-content:center;
}
.channel-bar{border-top:1px solid var(--line);transition:border-color .25s ease}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:48px}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;font-size:15px;color:var(--ink-2);font-weight:500;
  padding:0 14px;height:48px;display:inline-flex;align-items:center;white-space:nowrap;border-radius:8px 8px 0 0;
}
.channel-link:hover{background:var(--purple-soft);color:var(--purple-deep)}
.channel-link.active{color:var(--purple-deep);font-weight:700}
.channel-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:var(--purple);
}
.channel-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:7px 16px;min-width:250px}
.channel-search i{color:var(--ink-3);font-size:13px}
.channel-search input{border:0;background:transparent;outline:none;font-size:13.5px;color:var(--ink);width:100%}
.channel-search:focus-within{border-color:var(--purple);box-shadow:0 0 0 3px rgba(108,76,241,.14);background:#fff}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(20,18,43,.08);background:#fff}
.site-header.is-stuck .brand-inner{height:52px}
.site-header.is-stuck .logo-mark{width:38px;height:38px;border-radius:10px;font-size:13px}
.site-header.is-stuck .brand-sub{display:none}
.site-header.is-stuck .brand-bar{border-color:var(--line)}
.mobile-drawer{position:fixed;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;z-index:1060;transform:translateX(104%);transition:transform .3s ease;padding:22px 20px;overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,43,.55);opacity:0;visibility:hidden;transition:all .3s ease;z-index:1050}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.drawer-list a{padding:12px 14px;border-radius:10px;color:var(--ink-2);font-size:15px;font-weight:500}
.drawer-list a:hover,.drawer-list a.active{background:var(--purple-soft);color:var(--purple-deep);font-weight:700}
.drawer-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:10px 16px}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}

/* ===== 面包屑 ===== */
.breadcrumb-bar{padding:18px 0;background:#fff;border-bottom:1px solid var(--line)}
.crumbs{font-size:12.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--purple)}
.crumbs .sep{color:#C9C6D8}
.crumbs .current{color:var(--ink);font-weight:600}

/* ===== Banner ===== */
.page-banner{
  position:relative;min-height:260px;display:flex;align-items:flex-end;
  background-image:linear-gradient(115deg,rgba(20,18,43,.86) 0%,rgba(52,37,107,.76) 58%,rgba(20,18,43,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-banner .container{position:relative;z-index:2;padding-top:64px;padding-bottom:44px}
.page-banner h1{color:#fff;font-size:clamp(26px,3.2vw,36px);font-weight:800;line-height:1.3;margin-bottom:14px;max-width:820px}
.page-banner p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:640px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.banner-tags span{
  font-size:12.5px;letter-spacing:.04em;color:#fff;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:5px 13px;background:rgba(255,255,255,.06);
}
.banner-deco{
  position:absolute;right:6%;bottom:0;width:220px;height:132px;z-index:1;
  background:linear-gradient(135deg,rgba(108,76,241,.85),rgba(20,200,180,.75));
  clip-path:polygon(22% 0,100% 0,100% 100%,0 100%);
}

/* ===== 数据条 ===== */
.stat-strip{background:#fff;border-bottom:1px solid var(--line)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-cell{padding:26px 24px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-num{font-size:26px;font-weight:800;color:var(--purple-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:4px}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px}

/* ===== 时间轴主体 ===== */
.timeline-wrap{background:#fff;border-bottom:1px solid var(--line)}
.sticky-side{position:sticky;top:132px;padding-right:8px}
.sticky-side h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;margin-bottom:18px}
.sticky-side p{font-size:15px;color:var(--ink-2);line-height:1.85}
.metric-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line)}
.metric-item{display:flex;align-items:center;gap:12px}
.metric-item .val{
  min-width:56px;text-align:center;font-size:15px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--purple),var(--teal));border-radius:10px;padding:6px 8px;
  font-variant-numeric:tabular-nums;
}
.metric-item .desc{font-size:13.5px;color:var(--ink-2);line-height:1.6}
.timeline{position:relative;list-style:none;padding-left:64px;margin:0}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:26px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--purple),var(--teal) 78%,rgba(20,200,180,.15));
}
.timeline-item{position:relative;padding-bottom:40px}
.timeline-item:last-child{padding-bottom:0}
.tl-index{
  position:absolute;left:-64px;top:0;width:42px;height:42px;border-radius:12px;
  background:var(--teal);color:#fff;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
}
.tl-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.tl-body p{font-size:15px;color:var(--ink-2);line-height:1.85;margin-bottom:14px;max-width:660px}
.tl-body img{width:100%;max-width:520px;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);margin:6px 0 14px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px}
.tl-tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.04em;
  background:var(--purple-soft);color:var(--purple-deep);border-radius:6px;padding:5px 11px;font-weight:600;
}
.tl-tag.teal{background:var(--teal-soft);color:var(--teal-deep)}
.tl-tag i{font-size:11px}

/* ===== 对照表 ===== */
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px;background:#fff}
.compare-table caption{caption-side:top;text-align:left;font-size:13px;color:var(--ink-3);padding-bottom:12px}
.compare-table th{
  text-align:left;font-size:13px;letter-spacing:.04em;color:var(--purple-deep);font-weight:700;
  padding:14px 18px;background:var(--purple-soft);border-bottom:1px solid #DDD6FA;
}
.compare-table td{
  padding:15px 18px;color:var(--ink-2);border-bottom:1px solid var(--line);
}
.compare-table tbody tr:nth-child(even) td{background:#FBFAFE}
.compare-table td:first-child{color:var(--ink);font-weight:600}
.table-shell{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm)}

/* ===== 自检清单 ===== */
.checklist-band{background:var(--bg)}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;transition:all .22s ease;
}
.check-item:hover{transform:translateY(-4px);border-color:#D6CCFD;box-shadow:var(--shadow-hover)}
.check-icon{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;background:var(--teal-soft);
  color:var(--teal-deep);display:flex;align-items:center;justify-content:center;font-size:14px;
}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.75}

/* ===== CTA 带 ===== */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-dark);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  border:1px solid rgba(255,255,255,.10);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  opacity:.7;
}
.cta-inner > *{position:relative;z-index:2}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.6vw,27px);font-weight:700;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
.btn-outline-light2{
  display:inline-flex;align-items:center;gap:8px;border:1.5px solid rgba(255,255,255,.35);
  color:#fff;font-weight:600;font-size:15px;border-radius:var(--r-btn);padding:13px 24px;min-height:46px;
  transition:all .22s ease;
}
.btn-outline-light2:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.6);transform:translateY(-1px)}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--purple),var(--teal))}
.site-footer .logo-text{color:#fff}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0}
.site-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--teal)}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--purple);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(52,37,107,.28);opacity:0;visibility:hidden;transition:all .3s ease;z-index:1030;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--purple-deep)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .channel-search{display:none!important}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sticky-side{position:static;margin-bottom:36px;padding-right:0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell{border-bottom:1px solid var(--line)}
  .stat-cell:nth-child(3),.stat-cell:nth-child(4){border-bottom:0}
}
@media (max-width:767.98px){
  .brand-inner{height:56px}
  .logo-mark{width:38px;height:38px;font-size:13px;border-radius:10px}
  .logo-text{font-size:15.5px}
  .brand-sub{display:none}
  .nav-toggle{display:inline-flex}
  .channel-bar{display:none}
  .icon-btn{display:none}
  .check-grid{grid-template-columns:1fr}
  .cta-inner{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 100%;justify-content:center}
  .timeline{padding-left:52px}
  .timeline::before{left:15px}
  .tl-index{left:-52px;width:34px;height:34px;border-radius:10px;font-size:12.5px}
  .compare-table{font-size:13.5px}
  .compare-table th,.compare-table td{padding:12px 12px}
  .table-shell{overflow-x:auto}
  .page-banner{min-height:230px}
  .banner-deco{display:none}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .stat-grid{grid-template-columns:1fr}
  .stat-cell{border-right:0}
  .stat-cell:nth-child(3){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hot-pill{display:none!important}
  .timeline{padding-left:46px}
  .timeline::before{left:13px}
  .tl-index{left:-46px;width:30px;height:30px;font-size:12px;border-radius:9px}
  .cta-band{padding-bottom:64px}
}

/* roulang page: category4 */
:root{
  --c-deep:#34256B;
  --c-violet:#6C4CF1;
  --c-violet-soft:#F1EEFE;
  --c-cyan:#14C8B4;
  --c-cyan-soft:#E4F8F5;
  --c-cyan-text:#0E7C70;
  --c-orange:#FF7A2F;
  --c-deepest:#14122B;
  --c-text:#1B1B22;
  --c-sub:#52525F;
  --c-muted:#8A8A99;
  --c-line:#E3E1EE;
  --c-bg:#F7F6FB;
  --c-card:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-input:10px;
  --r-badge:6px;
  --r-deep:20px;
  --sh-card:0 1px 2px rgba(20,18,43,.06),0 8px 24px rgba(20,18,43,.06);
  --sh-card-hover:0 14px 32px rgba(20,18,43,.10);
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:#FFFFFF;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-violet);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--c-text);}
p{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  line-height:1.4;min-height:44px;border:1.5px solid transparent;
  transition:all .22s ease;white-space:nowrap;}
.btn-primary{background:var(--c-orange);color:#fff;border-color:var(--c-orange);}
.btn-primary:hover{background:#F26E22;border-color:#F26E22;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,122,47,.28);color:#fff;}
.btn-outline{background:#fff;color:var(--c-deep);border-color:var(--c-violet);}
.btn-outline:hover{background:var(--c-violet-soft);color:var(--c-deep);transform:translateY(-1px);}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-light-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-violet);font-weight:600;font-size:15px;
  padding:6px 0;border-bottom:2px solid transparent;transition:all .22s ease;}
.btn-text:hover{color:var(--c-deep);border-bottom-color:var(--c-violet);transform:translateY(-1px);}
.btn-block{width:100%;}

/* ---------- 徽章与标签 ---------- */
.badge-cat{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--c-cyan-soft);color:var(--c-cyan-text);font-size:12px;font-weight:600;letter-spacing:.06em;}
.badge-state{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  background:var(--c-violet-soft);color:var(--c-deep);font-size:12px;font-weight:600;letter-spacing:.06em;}
.tag-pill{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-bg);color:var(--c-sub);font-size:13px;border:1px solid var(--c-line);}
.tag-pill:hover{background:var(--c-violet-soft);color:var(--c-deep);border-color:#D9D1FB;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);transition:box-shadow .25s ease,background-color .25s ease;}
.site-header.is-scrolled{background:#fff;box-shadow:0 1px 0 var(--c-line),0 6px 20px rgba(20,18,43,.06);}
.brand-bar{border-bottom:1px solid transparent;transition:border-color .25s ease;}
.site-header.is-scrolled .brand-bar{border-bottom-color:var(--c-line);}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .brand-inner{height:52px;}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;background:linear-gradient(135deg,#6C4CF1,#14C8B4);color:#fff;font-weight:800;font-size:15px;
  letter-spacing:.02em;}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.logo-text{font-size:18px;font-weight:800;color:var(--c-deep);letter-spacing:.01em;line-height:1.25;white-space:nowrap;}
.brand-sub{font-size:12px;color:var(--c-muted);line-height:1.4;white-space:nowrap;}
.brand-tools{display:flex;align-items:center;gap:12px;}
.hot-pill{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-bg);color:var(--c-sub);font-size:12px;border:1px solid var(--c-line);transition:all .2s ease;}
.hot-pill:hover{background:var(--c-violet-soft);color:var(--c-deep);border-color:#DDD5FD;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:16px;color:var(--c-muted);font-size:14px;pointer-events:none;}
.search-box input{width:220px;height:40px;padding:0 16px 0 40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-text);transition:all .22s ease;}
.search-box input::placeholder{color:var(--c-muted);}
.search-box input:focus{outline:none;border-color:var(--c-violet);box-shadow:0 0 0 3px rgba(108,76,241,.16);}
.search-trigger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;
  background:var(--c-bg);color:var(--c-deep);border:1px solid var(--c-line);}
.menu-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;
  background:var(--c-deep);color:#fff;font-size:16px;}
.channel-bar{border-top:1px solid var(--c-line);}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:48px;}
.channel-nav{display:flex;align-items:center;gap:4px;height:48px;}
.channel-link{display:inline-flex;align-items:center;height:48px;padding:0 14px;font-size:15px;font-weight:500;
  color:var(--c-sub);border-bottom:3px solid transparent;transition:all .2s ease;}
.channel-link:hover{color:var(--c-deep);background:var(--c-violet-soft);}
.channel-link.active{color:var(--c-deep);font-weight:700;border-bottom-color:var(--c-violet);}
.channel-trends{display:flex;align-items:center;gap:8px;overflow:hidden;}
.channel-trends .trend-label{font-size:12px;color:var(--c-muted);letter-spacing:.06em;}
.trend-link{font-size:12px;color:var(--c-sub);padding:4px 10px;border-radius:var(--r-pill);background:var(--c-bg);}
.trend-link:hover{background:var(--c-violet-soft);color:var(--c-deep);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,18,43,.55);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1040;}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;background:#fff;z-index:1050;
  transform:translateX(105%);transition:transform .28s ease;padding:20px;overflow-y:auto;}
.mobile-drawer.open{transform:translateX(0);}
.drawer-title{font-size:13px;color:var(--c-muted);letter-spacing:.06em;margin:16px 0 8px;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{padding:12px 4px;font-size:15px;color:var(--c-sub);border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;min-height:44px;}
.drawer-links a:hover,.drawer-links a.active{color:var(--c-deep);font-weight:700;}
.drawer-search{display:flex;align-items:center;gap:8px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:0 14px;height:44px;margin-bottom:8px;}
.drawer-search input{border:0;outline:none;width:100%;font-size:14px;background:transparent;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:16px 0 0;}
.breadcrumb-line{font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.breadcrumb-line a{color:var(--c-muted);}
.breadcrumb-line a:hover{color:var(--c-violet);}
.breadcrumb-line .sep{color:#C9C6D8;}
.breadcrumb-line .current{color:var(--c-text);font-weight:600;}

/* ---------- Banner ---------- */
.page-banner{margin:16px 0 0;border-radius:var(--r-deep);overflow:hidden;position:relative;
  min-height:240px;display:flex;align-items:flex-end;
  background-image:linear-gradient(115deg,rgba(20,18,43,.88),rgba(52,37,107,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;}
.banner-inner{padding:40px 40px 36px;color:#fff;max-width:760px;}
.banner-inner .badge-cat{margin-bottom:16px;}
.page-banner h1{color:#fff;font-size:clamp(26px,3.2vw,36px);font-weight:800;line-height:1.3;}
.page-banner .banner-sub{color:rgba(255,255,255,.78);font-size:15px;margin-top:14px;line-height:1.8;}

/* ---------- 主内容 ---------- */
.main-wrap{padding:72px 0 88px;}
.wiki-layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:56px;align-items:start;}
.toc-aside{position:sticky;top:132px;}
.toc-title{font-size:13px;letter-spacing:.08em;color:var(--c-muted);margin-bottom:14px;font-weight:600;}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--c-line);}
.toc-link{display:block;padding:10px 14px;font-size:14px;color:var(--c-sub);border-left:3px solid transparent;
  margin-left:-1px;border-radius:0 8px 8px 0;transition:all .2s ease;min-height:44px;}
.toc-link:hover{background:var(--c-bg);color:var(--c-deep);}
.toc-link.active{color:var(--c-deep);font-weight:700;border-left-color:var(--c-violet);background:var(--c-violet-soft);}
.toc-note{margin-top:24px;padding:18px;border-radius:var(--r-card);background:var(--c-bg);border:1px solid var(--c-line);}
.toc-note p{font-size:13px;color:var(--c-sub);line-height:1.75;}
.toc-note .btn{margin-top:12px;}

.wiki-section{padding-top:0;}
.wiki-section + .wiki-section{margin-top:52px;padding-top:52px;border-top:1px solid var(--c-line);}
.wiki-section h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;position:relative;padding-left:16px;}
.wiki-section h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-violet);}
.wiki-section h3{font-size:19px;font-weight:600;margin-top:28px;}
.wiki-section p{margin-top:18px;font-size:17px;line-height:1.9;color:var(--c-text);max-width:42em;}
.wiki-section p.lead-note{color:var(--c-sub);font-size:16px;}

.plain-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;max-width:42em;}
.plain-list li{position:relative;padding-left:22px;font-size:16px;line-height:1.85;color:var(--c-sub);}
.plain-list li::before{content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-violet);}
.plain-list li strong{color:var(--c-text);}

.step-list{margin-top:20px;display:flex;flex-direction:column;gap:14px;counter-reset:step;max-width:42em;}
.step-list li{position:relative;padding:16px 20px 16px 58px;background:var(--c-bg);border-radius:12px;font-size:16px;
  color:var(--c-sub);line-height:1.8;counter-increment:step;}
.step-list li::before{content:counter(step);position:absolute;left:18px;top:16px;width:26px;height:26px;border-radius:50%;
  background:var(--c-cyan);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.step-list li strong{color:var(--c-text);}

.figure-block{margin-top:24px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.figure-block img{width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:var(--r-img);}
.figure-block figcaption{font-size:13px;color:var(--c-muted);text-align:center;padding:12px 16px;background:var(--c-bg);}

.data-table{width:100%;border-collapse:collapse;margin-top:22px;font-size:15px;}
.data-table th{text-align:left;font-size:13px;letter-spacing:.06em;color:var(--c-muted);font-weight:700;
  padding:12px 16px;border-bottom:1px solid var(--c-line);}
.data-table td{padding:14px 16px;border-bottom:1px solid var(--c-line);color:var(--c-sub);line-height:1.75;vertical-align:top;}
.data-table td:first-child{color:var(--c-text);font-weight:600;}
.data-table tbody tr:nth-child(odd){background:#FAF9FE;}
.data-table tbody tr:hover{background:var(--c-violet-soft);}
.table-scroll{overflow-x:auto;}

.callout{margin-top:22px;padding:20px 22px;border-left:4px solid var(--c-cyan);background:var(--c-bg);border-radius:0 12px 12px 0;}
.callout p{margin:0;font-size:15px;font-style:italic;color:var(--c-sub);line-height:1.85;max-width:none;}

/* ---------- FAQ ---------- */
.faq-section{padding:88px 0;background:var(--c-bg);}
.section-head{max-width:640px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.section-head p{margin-top:12px;font-size:15px;color:var(--c-sub);line-height:1.8;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:all .22s ease;}
.faq-item:hover{border-color:#D9D1FB;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--c-text);position:relative;min-height:44px;}
.faq-q i{color:var(--c-violet);font-size:14px;transition:transform .25s ease;flex:0 0 auto;}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:transparent;border-radius:0 3px 3px 0;}
.faq-item.open{background:#fff;}
.faq-item.open .faq-q{background:var(--c-bg);}
.faq-item.open .faq-q::before{background:var(--c-violet);}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:18px 22px 22px;font-size:15px;line-height:1.85;color:var(--c-sub);}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-deepest);border-radius:var(--r-deep);margin:0 0 80px;overflow:hidden;position:relative;}
.cta-band::after{content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(108,76,241,.16),rgba(20,200,180,.10));
  background-size:180px 180px;opacity:.9;pointer-events:none;}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 40px;}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.4vw,28px);font-weight:700;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deepest);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .logo-mark{width:36px;height:36px;flex:0 0 36px;font-size:14px;}
.site-footer .logo-text{color:#fff;font-size:17px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--c-cyan);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;background:var(--c-violet);
  color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(108,76,241,.32);
  opacity:0;visibility:hidden;transition:all .28s ease;z-index:1020;}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-deep);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .channel-trends{display:none;}
}
@media (max-width:991.98px){
  .brand-inner{height:60px;}
  .hot-pill{display:none;}
  .wiki-layout{grid-template-columns:1fr;gap:36px;}
  .toc-aside{position:static;}
  .toc-list{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--c-line);
    padding-bottom:8px;gap:8px;}
  .toc-link{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;border-radius:8px 8px 0 0;margin-left:0;padding:8px 14px;}
  .toc-link.active{border-left-color:transparent;border-bottom-color:var(--c-violet);}
  .toc-note{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .main-wrap{padding:56px 0 64px;}
  .faq-section{padding:64px 0;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .channel-bar{display:none;}
  .search-box{display:none;}
  .search-trigger{display:inline-flex;}
  .menu-toggle{display:inline-flex;}
  .brand-sub{display:none;}
  .logo-rest{display:none;}
  .banner-inner{padding:28px 22px 26px;}
  .page-banner{min-height:200px;border-radius:16px;}
  .wiki-section p{font-size:16px;max-width:none;}
  .wiki-section + .wiki-section{margin-top:40px;padding-top:40px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px 22px;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-band{border-radius:16px;margin-bottom:56px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:20px;}
  .faq-section{padding:56px 0;}
}
@media (max-width:575.98px){
  .brand-inner{height:56px;}
  .logo-mark{width:36px;height:36px;flex:0 0 36px;font-size:14px;}
  .logo-text{font-size:16px;}
  .figure-block img{aspect-ratio:16/10;}
  .banner-inner h1{font-size:24px;}
}