/* roulang page: index */
:root{
  --brand:#F2542D;
  --brand-deep:#C93C17;
  --brand-soft:#FDEBE4;
  --accent:#12B5A5;
  --accent-soft:#E3F5F2;
  --ink:#0E2B2A;
  --text:#22302E;
  --muted:#6C7772;
  --bg:#FBF8F4;
  --surface:#FFFFFF;
  --line:#E9E2D9;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,43,42,.04), 0 12px 28px -12px rgba(14,43,42,.14);
  --shadow-2:0 18px 36px -14px rgba(14,43,42,.2);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-color:#22302E;
  --bs-body-bg:#FBF8F4;
  --bs-link-color:#12B5A5;
  --bs-link-hover-color:#F2542D;
  --bs-border-radius:16px;
  --bs-border-color:#E9E2D9;
  --bs-primary:#F2542D;
  --bs-primary-rgb:242,84,45;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4,h5{color:var(--ink);line-height:1.25;margin:0 0 14px;font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(242,84,45,.28);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1280px;}}

.section{padding:88px 0;position:relative;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:40px;}
.section-head.center{text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand);
  background:var(--brand-soft);
  padding:6px 14px;
  border-radius:6px;
  margin-bottom:14px;
}
.eyebrow.accent{color:var(--accent);background:var(--accent-soft);}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:14px;}
.section-sub{font-size:16px;color:var(--muted);max-width:720px;margin:0;}
.section-head.center .section-sub{margin:0 auto;}
.head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.head-split .section-sub{margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-stuck{
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -18px rgba(14,43,42,.5);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),#F98B4F);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -6px rgba(242,84,45,.7);
}
.brand-mark svg{width:16px;height:16px;fill:#fff;}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.01em;line-height:1;}
.brand-text span{color:var(--brand);}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link-x{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--text);
  border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-link-x:hover{color:var(--ink);background:rgba(18,181,165,.07);}
.nav-link-x.active{color:var(--ink);font-weight:700;}
.nav-link-x.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:228px;height:42px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.16);}
.search-box svg{width:16px;height:16px;flex-shrink:0;fill:var(--muted);}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:#9AA39E;}
.nav-login{font-size:14.5px;font-weight:600;color:var(--text);padding:0 6px;height:44px;display:inline-flex;align-items:center;}
.nav-login:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;fill:var(--ink);}

/* ---------- 按钮体系 ---------- */
.btn-brand,.btn-ink,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 12px 24px -14px rgba(242,84,45,.85);}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-brand:active{transform:translateY(0);}
.btn-ink{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ink:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:var(--accent-soft);color:var(--accent);}
.btn-ghost:hover{background:#CBEDE8;color:#0C8C80;transform:translateY(-2px);}
.btn-brand.small,.btn-ink.small,.btn-ghost.small{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn-brand[disabled]{opacity:.45;pointer-events:none;}
.link-more{font-size:14.5px;font-weight:600;color:var(--accent);border-bottom:1px solid transparent;text-decoration:underline;text-underline-offset:3px;}
.link-more:hover{color:var(--brand);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 88px;
  overflow:hidden;
  background:
    radial-gradient(760px 420px at 88% 8%,rgba(242,84,45,.10),transparent 62%),
    radial-gradient(620px 380px at 4% 92%,rgba(18,181,165,.10),transparent 65%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;margin-bottom:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;color:var(--muted);
}
.tag-pill i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-title{
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-title em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.trust-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:14px 14px 12px;
  box-shadow:var(--shadow-1);
}
.trust-item span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px;}
.trust-item strong{display:block;font-size:15px;font-weight:700;color:var(--ink);}
.hero-visual{position:relative;}
.hero-visual .hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;
  box-shadow:var(--shadow-1);
}
.hero-glow{
  position:absolute;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,84,45,.28),transparent 68%);
  left:-60px;bottom:-50px;z-index:-1;filter:blur(6px);
}
.float-card{
  position:absolute;left:-28px;bottom:28px;
  width:236px;padding:18px 20px;
  background:var(--surface);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);border:1px solid var(--line);
}
.float-card .fc-label{font-size:12.5px;color:var(--muted);margin-bottom:6px;}
.float-card .fc-value{font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;}
.float-card .fc-note{font-size:12.5px;color:var(--muted);margin-top:6px;}
.float-card .fc-bar{height:6px;border-radius:99px;background:var(--accent-soft);margin-top:12px;overflow:hidden;}
.float-card .fc-bar i{display:block;height:100%;width:72%;background:var(--accent);border-radius:99px;}

/* ---------- Bento 频道 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.bento-card{
  display:flex;flex-direction:column;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;min-height:180px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DED5C8;}
.bento-card.main{grid-column:span 6;grid-row:span 2;min-height:380px;background:linear-gradient(160deg,#fff 0%,var(--brand-soft) 100%);}
.bento-card.small{grid-column:span 3;}
.bento-icon{
  width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);margin-bottom:18px;flex-shrink:0;
}
.bento-card.main .bento-icon{background:#fff;width:52px;height:52px;}
.bento-icon svg{width:22px;height:22px;fill:var(--accent);}
.bento-name{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.bento-card.main .bento-name{font-size:26px;}
.bento-desc{font-size:14.5px;color:var(--muted);margin:0;}
.bento-foot{
  display:flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.bento-foot svg{width:14px;height:14px;fill:var(--brand);transition:transform .25s ease;}
.bento-card:hover .bento-foot svg{transform:translateX(4px);}
.bento-card .bento-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);margin-bottom:20px;
}

/* ---------- 深色数据条 ---------- */
.dark-band{background:var(--ink);color:#F2EFEA;padding:72px 0;position:relative;overflow:hidden;}
.dark-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,84,45,.22),transparent 68%);
}
.dark-band h2{color:#fff;}
.dark-band .section-sub{color:#BFCFC9;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:34px;position:relative;z-index:1;}
.stat-item{border-left:2px solid rgba(242,84,45,.55);padding-left:18px;}
.stat-num{font-size:38px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em;}
.stat-label{font-size:13.5px;color:#C7D5D0;margin-top:8px;line-height:1.6;}
.bar-compare{position:relative;z-index:1;}
.bar-row{display:flex;align-items:center;gap:16px;margin-bottom:14px;}
.bar-row .bar-name{width:132px;flex-shrink:0;font-size:13.5px;color:#C7D5D0;}
.bar-track{flex:1;height:10px;border-radius:99px;background:rgba(255,255,255,.10);overflow:hidden;}
.bar-track i{display:block;height:100%;border-radius:99px;}
.bar-track i.brand{background:var(--brand);}
.bar-track i.accent{background:var(--accent);}
.bar-row .bar-val{width:56px;text-align:right;font-size:13.5px;color:#F2EFEA;font-weight:600;}

/* ---------- 交错案例 ---------- */
.case-item{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line);}
.case-item:last-child{border-bottom:0;}
.case-item.reverse .case-media{order:2;}
.case-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1);}
.case-tag{display:inline-block;font-size:12.5px;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:5px 12px;border-radius:6px;margin-bottom:14px;}
.case-title{font-size:22px;font-weight:700;margin-bottom:12px;}
.case-desc{font-size:15px;color:var(--muted);margin-bottom:18px;}

/* ---------- 方案纵向列表 ---------- */
.plan-list{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--surface);box-shadow:var(--shadow-1);}
.plan-row{
  display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:center;
  padding:26px 28px;border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.plan-row:last-child{border-bottom:0;}
.plan-row:hover{background:var(--brand-soft);}
.plan-index{
  width:44px;height:44px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:var(--brand);
}
.plan-row:hover .plan-index{border-color:var(--brand);}
.plan-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.plan-points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.plan-points li{font-size:14px;color:var(--muted);position:relative;padding-left:14px;}
.plan-points li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--accent);}

/* ---------- 内容卡片 / CMS ---------- */
.card-item{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  color:var(--text);
}
.card-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);color:var(--text);}
.card-thumb{overflow:hidden;aspect-ratio:16/9;background:#EFEAE3;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-item:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.badge-cat{
  display:inline-block;align-self:flex-start;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:4px 10px;border-radius:6px;margin-bottom:12px;
}
.badge-cat.accent{color:var(--accent);background:var(--accent-soft);}
.card-title{
  font-size:17.5px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;color:var(--muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;gap:8px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.card-meta .dot{color:#C6CEC9;}
.card-meta .go{margin-left:auto;font-weight:600;color:var(--brand);}
.empty-state{
  text-align:center;padding:56px 24px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state .es-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  background:var(--accent-soft);display:flex;align-items:center;justify-content:center;
}
.empty-state .es-icon svg{width:28px;height:28px;fill:var(--accent);}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-left{position:sticky;top:104px;}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:0;}
.accordion-button{
  background:transparent;box-shadow:none;border:0;
  font-size:17px;font-weight:700;color:var(--ink);
  padding:20px 40px 20px 0;position:relative;line-height:1.5;
  border-radius:0;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:3px solid rgba(242,84,45,.28);outline-offset:-3px;}
.accordion-button::after{
  position:absolute;right:8px;top:50%;transform:translateY(-50%) rotate(0deg);
  width:14px;height:14px;background-size:14px;background-image:none;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transition:transform .24s ease,border-color .24s ease;
}
.accordion-button:not(.collapsed)::after{border-color:var(--brand);transform:translateY(-70%) rotate(45deg);}
.accordion-button.collapsed::after{transform:translateY(-70%) rotate(45deg);}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:-16px;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--brand);
}
.accordion-body{
  padding:0 0 22px;font-size:15.5px;line-height:1.8;color:var(--muted);
}
.accordion-body strong{color:var(--text);font-weight:600;}
.accordion-flush .accordion-item:first-of-type,.accordion-flush .accordion-item:last-of-type{border-radius:0;}

/* ---------- 表单 / 联系 ---------- */
.form-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-1);}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.form-control,.form-select{
  height:48px;border-radius:var(--radius-input);border:1px solid var(--line);
  font-size:15px;color:var(--text);background:#fff;padding:0 16px;
  box-shadow:none;
}
textarea.form-control{height:auto;padding:14px 16px;line-height:1.7;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.16);outline:0;
}
.form-control::placeholder{color:#A7B0AB;}
.form-control.is-invalid{border-color:#D93A2B;}
.err-text{font-size:13px;color:#D93A2B;margin-top:6px;display:none;}
.info-card{
  background:var(--ink);color:#F2EFEA;border-radius:var(--radius-card);padding:32px;
  height:100%;
}
.info-card h3{color:#fff;font-size:20px;margin-bottom:18px;}
.info-line{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);}
.info-line:last-of-type{border-bottom:0;}
.info-line .ic{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:rgba(242,84,45,.18);display:flex;align-items:center;justify-content:center;
}
.info-line .ic svg{width:17px;height:17px;fill:var(--brand);}
.info-line .il-label{font-size:12.5px;color:#A9BDB7;margin-bottom:3px;}
.info-line .il-value{font-size:15px;color:#F2EFEA;font-weight:600;word-break:break-all;}
.brand-divider{height:3px;width:88px;border-radius:99px;background:var(--brand);margin:56px auto 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C7D5D0;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB4AE;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:#A9BDB7;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8FA5A0;
}
.footer-bottom a{color:#A9BDB7;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,transform .2s ease;
}
.social-row a:hover{background:var(--brand);transform:translateY(-2px);}
.social-row svg{width:16px;height:16px;fill:#F2EFEA;}

/* ---------- 移动端抽屉 ---------- */
.mobile-nav{background:#fff;width:min(340px,86vw);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 22px;}
.mobile-nav .offcanvas-body{padding:22px;display:flex;flex-direction:column;}
.mobile-search{
  display:flex;align-items:center;gap:10px;height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-pill);margin-bottom:18px;
}
.mobile-search input{border:0;outline:0;width:100%;font-size:15px;color:var(--text);}
.mobile-search svg{width:16px;height:16px;fill:var(--muted);flex-shrink:0;}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-link.active{color:var(--brand);}
.mobile-link svg{width:14px;height:14px;fill:currentColor;opacity:.5;}
.mobile-cta{margin-top:auto;padding-top:22px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-channels{margin-left:0;gap:0;}
  .nav-link-x{padding:0 10px;font-size:14.5px;}
  .search-box{width:190px;}
}
@media (max-width:991.98px){
  .nav-channels,.nav-actions .search-box,.nav-login,.nav-actions .btn-brand{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .hero{padding:48px 0 64px;}
  .hero-visual{margin-top:52px;}
  .float-card{left:12px;bottom:-24px;}
  .trust-row{grid-template-columns:repeat(2,1fr);}
  .bento-card.main{grid-column:span 12;grid-row:auto;min-height:auto;}
  .bento-card.small{grid-column:span 6;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .case-item{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .case-item.reverse .case-media{order:0;}
  .plan-row{grid-template-columns:52px 1fr;gap:18px;padding:22px;}
  .plan-row .plan-cta{grid-column:2;}
  .faq-left{position:static;margin-bottom:28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-brand,.hero-cta .btn-ink{width:100%;}
  .trust-row{grid-template-columns:1fr;}
  .bento-card.small{grid-column:span 12;}
  .stat-grid{grid-template-columns:1fr;gap:22px;}
  .stat-num{font-size:32px;}
  .bar-row .bar-name{width:96px;font-size:12.5px;}
  .plan-row{grid-template-columns:1fr;}
  .plan-index{width:38px;height:38px;font-size:14px;}
  .form-panel,.info-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-card{position:static;width:100%;margin-top:18px;}
  .hero-glow{display:none;}
}

/* roulang page: article */
:root{
  --brand:#F2542D;
  --brand-deep:#C93C17;
  --brand-soft:#FDEBE4;
  --accent:#12B5A5;
  --accent-soft:#E3F5F2;
  --ink:#0E2B2A;
  --text:#22302E;
  --muted:#6C7772;
  --bg:#FBF8F4;
  --surface:#FFFFFF;
  --line:#E9E2D9;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-badge:6px;
  --shadow-rest:0 1px 2px rgba(14,43,42,.04),0 12px 28px -12px rgba(14,43,42,.14);
  --shadow-hover:0 18px 36px -14px rgba(14,43,42,.2);
  --container:1200px;
  --section-y:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0 0 14px;color:var(--ink);line-height:1.25;}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0 0 1em;padding-left:1.15em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(242,84,45,.28);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1400px){:root{--container:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(14,43,42,.45);}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#FF8A5B);
  box-shadow:0 8px 18px -10px rgba(242,84,45,.85);
}
.brand-mark svg{width:19px;height:19px;fill:#fff;}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.brand-text span{color:var(--brand);}

.nav-channels{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link-x{
  position:relative;
  padding:9px 14px;
  font-size:15px;font-weight:500;color:var(--muted);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link-x:hover{color:var(--ink);background:#F6F1EA;}
.nav-link-x.active{color:var(--ink);font-weight:700;}
.nav-link-x.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;
  height:2px;border-radius:2px;background:var(--brand);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  width:216px;height:42px;
  border:1px solid var(--line);border-radius:999px;
  background:#fff;padding:0 16px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.nav-search::placeholder{color:#9AA5A0;}
.nav-search:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.16);}
.login-link{font-size:14.5px;font-weight:600;color:var(--ink);}
.login-link:hover{color:var(--brand);}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn-x-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -12px rgba(242,84,45,.9);}
.btn-x-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-x-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-x-outline:hover{background:var(--ink);color:#fff;}
.btn-x-ghost{background:var(--accent-soft);color:var(--accent);}
.btn-x-ghost:hover{background:#D2EFEA;color:#0C8E81;}
.btn-x-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-x-block{width:100%;}
.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;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}

.offcanvas-x{background:var(--bg);}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line);}
.drawer-search{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;padding:0 16px;font-size:15px;
}
.drawer-search:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.16);}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin:18px 0 24px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  background:#fff;border:1px solid var(--line);
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.drawer-links a.active{background:var(--brand-soft);border-color:#F7D3C6;color:var(--brand-deep);}

/* ============ 文章头部 ============ */
.article-hero{
  background:
    radial-gradient(680px 320px at 12% -12%,rgba(242,84,45,.13),transparent 62%),
    radial-gradient(560px 300px at 92% 6%,rgba(18,181,165,.14),transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
  padding:34px 0 52px;
}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb-x a{color:var(--muted);}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{color:#C3CBC6;}
.breadcrumb-x .current{color:var(--ink);font-weight:600;}
.article-head{max-width:820px;margin:0 auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-badge);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;margin-bottom:18px;
}
.article-head h1{margin-bottom:18px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--muted);
}
.article-meta .dot{color:#C3CBC6;}
.article-cover{
  max-width:920px;margin:34px auto 0;
  border-radius:var(--radius-img);overflow:hidden;
  box-shadow:var(--shadow-rest);
  aspect-ratio:16/7;background:var(--line);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文 ============ */
.article-main{padding:56px 0 80px;}
.article-body{
  max-width:820px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-content p{margin:0 0 1em;}
.article-content h2{
  position:relative;
  font-size:clamp(21px,2.5vw,26px);
  margin:44px 0 18px;
  padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:20px;border-radius:3px;background:var(--brand);
}
.article-content h3{font-size:18px;margin:32px 0 14px;}
.article-content h4{font-size:17px;margin:26px 0 12px;}
.article-content a{text-decoration:underline;text-underline-offset:3px;}
.article-content ul,.article-content ol{padding-left:1.3em;margin:0 0 1.2em;}
.article-content li{margin-bottom:.4em;}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--accent-soft);
  border-left:3px solid var(--accent);
  border-radius:0 var(--radius-input) var(--radius-input) 0;
  color:#1F3B39;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius-img);margin:24px auto;}
.article-content figure{margin:26px 0;}
.article-content figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px;}
.article-content table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:26px 0;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;font-size:15.5px;
}
.article-content th{
  background:var(--brand-soft);color:var(--ink);
  text-align:left;font-weight:700;padding:12px 16px;
}
.article-content td{padding:12px 16px;border-top:1px solid var(--line);}
.article-content tr:hover td{background:#FCF9F5;}
.article-content code{
  background:#F3EEE7;padding:2px 6px;border-radius:6px;
  font-size:15px;color:var(--brand-deep);
}
.article-content hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line);
}
.tag-chip{
  display:inline-flex;align-items:center;
  padding:6px 13px;border-radius:var(--radius-badge);
  background:var(--accent-soft);color:#0C8E81;
  font-size:12.5px;font-weight:600;
}
.tag-chip.is-brand{background:var(--brand-soft);color:var(--brand-deep);}

.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  margin-top:26px;
}
.article-actions .btn-x{flex:0 0 auto;}

/* 空态 */
.empty-state{
  max-width:680px;margin:0 auto;text-align:center;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:56px 32px;
  box-shadow:var(--shadow-rest);
}
.empty-art{
  width:88px;height:88px;margin:0 auto 22px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-soft);
}
.empty-art svg{width:42px;height:42px;fill:var(--brand);}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:24px;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 var(--section-y);}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:30px;
}
.section-head h2{margin-bottom:6px;}
.section-head .sub{color:var(--muted);font-size:14.5px;margin:0;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-x{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-rest);
  transition:transform .3s ease,box-shadow .3s ease;
  height:100%;
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--line);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card-x:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.badge-x{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:5px 11px;border-radius:var(--radius-badge);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.badge-x.is-accent{background:var(--accent-soft);color:#0C8E81;}
.card-body h3{
  font-size:18px;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .desc{
  font-size:14px;color:var(--muted);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.card-foot .go{font-weight:700;color:var(--accent);}
.card-x:hover .card-foot .go{color:var(--brand);}

/* ============ 底部 CTA ============ */
.bottom-cta{
  background:var(--ink);color:#F2EFEA;
  padding:64px 0;
}
.bottom-cta .inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;
}
.bottom-cta h2{color:#fff;margin-bottom:8px;font-size:clamp(22px,2.6vw,30px);}
.bottom-cta p{color:#C9D3CF;margin:0;max-width:640px;}
.bottom-cta .btn-x-primary{box-shadow:none;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9D3CF;padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.06);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-brand .brand-text span{color:var(--brand);}
.footer-desc{font-size:14px;line-height:1.85;color:#A9B6B1;margin:0 0 20px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  transition:background .2s ease,transform .2s ease;
}
.social-row a:hover{background:var(--brand);transform:translateY(-2px);}
.social-row svg{width:17px;height:17px;fill:#fff;}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-list a{color:#A9B6B1;font-size:14px;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8E9C97;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search{width:180px;}
  .nav-link-x{padding:9px 11px;font-size:14.5px;}
}
@media (max-width:991px){
  :root{--section-y:64px;}
  .nav-channels,.header-tools .nav-search,.header-tools .login-link{display:none;}
  .burger{display:flex;}
  .header-inner{justify-content:space-between;gap:14px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .article-cover{aspect-ratio:16/9;}
}
@media (max-width:767px){
  :root{--section-y:56px;}
  .article-hero{padding:24px 0 40px;}
  .article-main{padding:40px 0 60px;}
  .article-body{font-size:16.5px;}
  .bottom-cta .inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  :root{--section-y:48px;}
  .container{padding:0 16px;}
  h1{font-size:28px;}
  .header-tools .btn-x-primary{height:42px;padding:0 16px;font-size:14px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .article-actions .btn-x{width:100%;}
  .article-cover{aspect-ratio:4/3;}
}

/* roulang page: category1 */
:root{
  --brand:#F2542D;
  --brand-deep:#C93C17;
  --brand-soft:#FDEBE4;
  --accent:#12B5A5;
  --accent-soft:#E3F5F2;
  --ink:#0E2B2A;
  --text:#22302E;
  --muted:#6C7772;
  --bg:#FBF8F4;
  --surface:#FFFFFF;
  --line:#E9E2D9;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 1px 2px rgba(14,43,42,.04), 0 12px 28px -12px rgba(14,43,42,.14);
  --shadow-hover:0 18px 36px -14px rgba(14,43,42,.2);
  --sec-pad:88px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0;}
h1{font-size:clamp(30px,4.4vw,46px);font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:700;}
p{margin:0 0 .9em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px -18px rgba(14,43,42,.5);}
.header-inner{display:flex;align-items:center;gap:26px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-soft);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;fill:var(--brand);}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.3px;}
.brand-text span{color:var(--brand);font-weight:700;}
.nav-channels{display:flex;align-items:center;gap:26px;flex:1 1 auto;}
.nav-link-x{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  font-size:15px;font-weight:600;color:var(--text);
  padding:0 2px;
}
.nav-link-x:hover{color:var(--brand);}
.nav-link-x.active{color:var(--ink);font-weight:700;}
.nav-link-x.active::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.search-box{position:relative;}
.search-box input{
  height:44px;width:220px;
  border:1px solid var(--line);border-radius:999px;
  padding:0 42px 0 18px;
  font-size:14px;color:var(--text);background:var(--surface);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.search-box input::placeholder{color:#9AA3A0;}
.search-box input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(242,84,45,.18);
}
.search-box svg{
  position:absolute;right:15px;top:50%;transform:translateY(-50%);
  width:17px;height:17px;fill:var(--muted);pointer-events:none;
}
.link-login{font-size:14.5px;color:var(--text);font-weight:600;min-height:44px;display:inline-flex;align-items:center;}
.link-login:hover{color:var(--brand);}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary-x{background:var(--brand);color:#fff;}
.btn-primary-x:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-primary-x:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,84,45,.28);}
.btn-ghost-x{background:var(--accent-soft);color:var(--accent);}
.btn-ghost-x:hover{background:var(--accent);color:#fff;}
.btn-outline-x{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline-x:hover{background:var(--ink);color:#fff;}
.btn-sm-x{height:42px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:12px;background:var(--surface);align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;fill:var(--ink);}

/* 移动端抽屉 */
.offcanvas-x{background:var(--surface);}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--line);}
.drawer-search input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 16px;font-size:15px;background:var(--surface);
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.18);}
.drawer-nav{display:flex;flex-direction:column;margin:18px 0;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:16px;font-weight:600;
  color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);font-weight:700;}
.drawer-nav a svg{width:16px;height:16px;fill:var(--muted);}
.drawer-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:12px;}

/* ============ Banner ============ */
.page-banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:linear-gradient(135deg,var(--brand-soft) 0%,var(--accent-soft) 52%,var(--bg) 100%);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  opacity:.14;pointer-events:none;
}
.page-banner .container{position:relative;z-index:1;padding-top:64px;padding-bottom:56px;}
.crumb{font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9B2A8;}
.crumb .now{color:var(--ink);font-weight:600;}
.banner-lead{max-width:760px;font-size:17px;color:var(--text);margin-top:16px;}
.banner-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:999px;
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink);
  transition:all .2s ease;
}
.pill-link:hover{background:#fff;border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.pill-link svg{width:14px;height:14px;fill:var(--accent);}
.banner-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(14,43,42,.09);}
.banner-stat strong{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;}
.banner-stat span{font-size:13.5px;color:var(--muted);}

/* ============ 主体两列 ============ */
.page-main{padding:var(--sec-pad) 0 72px;}
.layout{display:grid;grid-template-columns:250px 1fr;gap:48px;align-items:start;}
.anchor-col{position:sticky;top:100px;}
.anchor-title{font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:var(--muted);text-transform:uppercase;margin-bottom:14px;}
.anchor-list{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line);}
.anchor-list a{
  display:block;padding:10px 14px;font-size:14.5px;font-weight:600;color:var(--text);
  border-left:2px solid transparent;margin-left:-1px;transition:all .2s ease;
}
.anchor-list a:hover{color:var(--brand);border-left-color:var(--brand-soft);background:rgba(253,235,228,.45);}
.anchor-list a.active{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}
.anchor-cta{margin-top:22px;padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);}
.anchor-cta p{font-size:13.5px;color:var(--muted);margin-bottom:14px;}
.anchor-cta .btn-x{width:100%;}

/* 内容模块 */
.module{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  padding:38px 0;border-bottom:1px solid var(--line);
}
.module:first-child{padding-top:0;}
.module.reverse .module-media{order:-1;}
.module-body h3{margin-bottom:12px;}
.module-body h3 .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand);font-size:14px;font-weight:800;margin-right:10px;vertical-align:2px;
}
.module-body > p{color:var(--text);}
.point-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.point-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text);}
.point-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:7px;height:7px;border-radius:50%;background:var(--accent);
}
.img-frame{
  border-radius:14px;overflow:hidden;aspect-ratio:16/10;
  background:var(--brand-soft);border:1px solid var(--line);
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.img-frame:hover img{transform:scale(1.04);}
.img-cap{font-size:13px;color:var(--muted);margin-top:10px;}

/* 深色速览条 */
.speed-strip{margin:52px 0 0;padding:44px 40px;border-radius:var(--radius);background:var(--ink);color:#F2EFEA;}
.speed-strip h3{color:#fff;margin-bottom:10px;}
.speed-strip p{color:rgba(242,239,234,.76);font-size:14.5px;}
.speed-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:28px;}
.speed-item{padding:18px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);}
.speed-item strong{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;}
.speed-item span{font-size:13.5px;color:rgba(242,239,234,.72);}

/* FAQ */
.faq-block{padding:var(--sec-pad) 0 0;}
.faq-head{max-width:700px;margin-bottom:26px;}
.faq-head p{color:var(--muted);margin-top:10px;}
.accordion-x .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-x .accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:700;color:var(--ink);
  padding:22px 40px 22px 18px;position:relative;
}
.accordion-x .accordion-button::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;background:none;font-size:22px;font-weight:400;color:var(--muted);
  margin:0;line-height:1;
}
.accordion-x .accordion-button:not(.collapsed)::after{content:"−";color:var(--brand);}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--brand);background:rgba(253,235,228,.35);box-shadow:inset 3px 0 0 var(--brand);
}
.accordion-x .accordion-button:focus{box-shadow:inset 3px 0 0 var(--brand);}
.accordion-x .accordion-body{padding:4px 40px 24px 18px;font-size:15.5px;line-height:1.8;color:var(--muted);}
.accordion-x .accordion-body strong{color:var(--text);}
.accordion-x .accordion-collapse{transition:height .24s ease;}

/* 频道入口 */
.channel-links{padding:var(--sec-pad) 0 0;}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:26px;}
.channel-block{
  display:flex;flex-direction:column;gap:10px;
  padding:26px;border-radius:var(--radius);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.channel-block:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.channel-block .tag{font-size:12.5px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:6px;padding:3px 10px;align-self:flex-start;}
.channel-block h4{color:var(--ink);}
.channel-block p{font-size:14px;color:var(--muted);margin:0;}
.channel-block .go{font-size:14px;font-weight:700;color:var(--brand);margin-top:6px;}

/* CTA 行 */
.cta-row{
  margin-top:64px;padding:40px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-row h3{margin-bottom:8px;}
.cta-row p{color:var(--muted);font-size:14.5px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.divider-brand{height:3px;width:64px;background:var(--brand);border-radius:3px;margin-top:40px;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(242,239,234,.78);margin-top:88px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(242,84,45,.16);}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;color:rgba(242,239,234,.68);max-width:320px;line-height:1.8;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  transition:all .2s ease;
}
.social-row a svg{width:17px;height:17px;fill:rgba(242,239,234,.82);}
.social-row a:hover{background:var(--brand);border-color:var(--brand);}
.social-row a:hover svg{fill:#fff;}
.footer-title{font-size:15px;color:#fff;margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14px;color:rgba(242,239,234,.72);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(242,239,234,.55);
}

/* 响应式 */
@media (max-width:1199px){
  .layout{grid-template-columns:215px 1fr;gap:34px;}
  .search-box input{width:180px;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .nav-channels,.header-right{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .layout{grid-template-columns:1fr;}
  .anchor-col{position:static;margin-bottom:28px;}
  .anchor-list{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);padding-bottom:8px;gap:8px;}
  .anchor-list a{border-left:0;border-radius:999px;background:var(--surface);border:1px solid var(--line);white-space:nowrap;padding:8px 16px;margin-left:0;}
  .anchor-list a.active{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
  .anchor-cta{display:none;}
  .module{grid-template-columns:1fr;gap:22px;}
  .module.reverse .module-media{order:0;}
  .speed-grid{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .speed-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .speed-strip{padding:32px 24px;}
  .cta-row{padding:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{width:100%;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .page-banner .container{padding-top:44px;padding-bottom:40px;}
  .banner-lead{font-size:15.5px;}
  .banner-stats{gap:22px;}
  .banner-stat strong{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#F2542D;
  --brand-deep:#C93C17;
  --brand-soft:#FDEBE4;
  --accent:#12B5A5;
  --accent-soft:#E3F5F2;
  --ink:#0E2B2A;
  --text:#22302E;
  --muted:#6C7772;
  --bg:#FBF8F4;
  --surface:#FFFFFF;
  --line:#E9E2D9;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:999px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(14,43,42,.04),0 12px 28px -12px rgba(14,43,42,.14);
  --shadow-2:0 18px 36px -14px rgba(14,43,42,.2);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--accent);text-decoration:none;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;color:var(--ink);font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 8px 26px -20px rgba(14,43,42,.45);}
.header-inner{display:flex;align-items:center;gap:18px;min-height:76px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:50%;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:20px;height:20px;fill:var(--brand);}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.brand-text span{color:var(--brand);}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link-x{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 13px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text);
  text-decoration:none;transition:background .2s ease,color .2s ease;
  min-height:44px;
}
.nav-link-x:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link-x.active{color:var(--ink);font-weight:700;}
.nav-link-x.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;
  height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{position:absolute;left:14px;width:16px;height:16px;fill:var(--muted);pointer-events:none;}
.search-box input{
  width:220px;height:42px;
  padding:0 16px 0 38px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;color:var(--text);
  font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:#9AA39E;}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.18);}
.login-link{font-size:15px;font-weight:600;color:var(--text);text-decoration:none;padding:8px 4px;min-height:44px;display:inline-flex;align-items:center;}
.login-link:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;fill:var(--ink);}

/* 按钮体系 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(242,84,45,.9);}
.btn-primary-x:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-outline-x{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline-x:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-x{background:var(--accent-soft);color:var(--accent);}
.btn-ghost-x:hover{background:var(--accent);color:#fff;transform:translateY(-2px);}
.btn-sm-x{height:42px;padding:0 18px;font-size:14px;}
.btn-x:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,84,45,.28);}
.btn-x[aria-disabled="true"]{opacity:.45;pointer-events:none;}

/* 移动端抽屉 */
.mobile-drawer{
  display:none;
  position:fixed;left:0;right:0;top:76px;bottom:0;
  background:#fff;z-index:1040;padding:20px;overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .search-box input{width:100%;}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;margin:18px 0;}
.mobile-drawer .drawer-nav a{
  padding:13px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text);text-decoration:none;
}
.mobile-drawer .drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.mobile-drawer .drawer-nav a.active{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-foot{margin-top:16px;display:flex;flex-direction:column;gap:10px;}

/* ===== 页面横幅 ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:54px 0 52px;
  background:linear-gradient(180deg,var(--accent-soft) 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;right:-60px;top:-70px;width:520px;height:400px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.14;border-radius:0 0 0 140px;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumb a{color:var(--muted);text-decoration:none;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9C0BB;}
.crumb .cur{color:var(--ink);font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,46px);
  font-weight:800;line-height:1.25;
  margin:18px 0 14px;max-width:920px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:780px;}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 17px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:14px;font-weight:600;text-decoration:none;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.pill:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.pill svg{width:14px;height:14px;fill:currentColor;}

/* ===== 通用板块 ===== */
.section{padding:var(--sec-pad) 0;}
.section.surface{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:38px;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.4px;
  color:var(--brand);background:var(--brand-soft);
  padding:5px 12px;border-radius:6px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--muted);line-height:1.85;}

/* 概览图文 */
.overview-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;}
.overview-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-img);box-shadow:var(--shadow-1);
}
.overview-copy h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px;}
.overview-copy p{font-size:16px;line-height:1.85;color:var(--text);}
.step-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:14px;}
.step-list li{display:flex;gap:12px;font-size:15.5px;line-height:1.75;color:var(--text);}
.step-num{
  flex:0 0 auto;width:26px;height:26px;margin-top:3px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
}

/* 分段切换 */
.func-tabs{border-bottom:1px solid var(--line);gap:4px;flex-wrap:wrap;margin-bottom:32px;}
.func-tabs .nav-link{
  border:0;border-radius:10px 10px 0 0;position:relative;
  padding:13px 20px;font-size:15.5px;font-weight:600;color:var(--muted);background:transparent;
  transition:color .2s ease,background .2s ease;
}
.func-tabs .nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.func-tabs .nav-link.active{color:var(--ink);font-weight:700;background:transparent;}
.func-tabs .nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:3px;
  border-radius:3px 3px 0 0;background:var(--brand);
}
.tab-cols{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;}
.tab-cols h3{font-size:20px;margin-bottom:14px;}
.tab-cols p{font-size:15.5px;line-height:1.85;color:var(--text);}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.check-list li{display:flex;gap:11px;font-size:15px;line-height:1.75;color:var(--text);}
.check-list svg{flex:0 0 auto;width:18px;height:18px;margin-top:5px;fill:var(--accent);}
.tip-box{
  margin-top:24px;padding:16px 20px;
  background:var(--accent-soft);border-left:3px solid var(--accent);
  border-radius:0 12px 12px 0;
  font-size:15px;line-height:1.8;color:var(--text);
}
.tip-box strong{color:var(--accent);}

/* 数据小卡 */
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.metric-card{
  display:flex;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#DED5C9;}
.metric-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;
  background:var(--brand-soft);display:flex;align-items:center;justify-content:center;
}
.metric-icon svg{width:22px;height:22px;fill:var(--brand);}
.metric-name{font-size:15px;font-weight:700;color:var(--ink);}
.metric-value{font-size:26px;font-weight:800;color:var(--brand);line-height:1.25;margin-top:2px;}
.metric-desc{font-size:14px;color:var(--muted);line-height:1.75;margin-top:10px;}

/* 对比条形 */
.compare-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
}
.legend{display:flex;flex-wrap:wrap;gap:20px;margin-bottom:22px;}
.legend-item{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--text);}
.legend-dot{width:12px;height:12px;border-radius:4px;}
.dot-brand{background:var(--brand);}
.dot-accent{background:var(--accent);}
.bar-row{padding:18px 0;border-top:1px solid var(--line);}
.bar-row:first-of-type{border-top:0;padding-top:6px;}
.bar-label{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.bar-line{display:grid;grid-template-columns:104px 1fr 52px;gap:12px;align-items:center;font-size:13.5px;color:var(--muted);}
.bar-line + .bar-line{margin-top:9px;}
.bar-track{height:10px;border-radius:999px;background:#F2EEE8;overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;transition:width .7s ease;}
.fill-brand{background:linear-gradient(90deg,#F2542D,#FF8259);}
.fill-accent{background:linear-gradient(90deg,#12B5A5,#57D8CA);}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:104px;}
.faq-side h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.faq-side p{font-size:16px;color:var(--muted);line-height:1.85;}
.faq-acc .accordion-item{background:transparent;border:0;border-top:1px solid var(--line);}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-acc .accordion-button{
  position:relative;background:transparent;box-shadow:none;
  padding:22px 48px 22px 16px;
  font-size:17px;font-weight:700;color:var(--ink);
  border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-deep);}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:3px;background:var(--brand);
}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:26px;height:26px;font-size:20px;font-weight:700;line-height:1;
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform .24s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.faq-acc .accordion-button:focus{outline:none;box-shadow:0 0 0 3px rgba(242,84,45,.16);z-index:2;}
.faq-acc .accordion-body{
  padding:0 48px 24px 16px;
  font-size:15.5px;line-height:1.8;color:var(--muted);
}
.faq-acc .accordion-body strong{color:var(--text);}

/* 页尾频道入口 */
.link-blocks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.link-block{
  display:flex;flex-direction:column;gap:10px;
  padding:26px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:#fff;text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.link-block:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-soft);}
.link-block h3{font-size:17px;font-weight:700;}
.link-block p{margin:0;font-size:14px;line-height:1.75;color:var(--muted);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--accent);margin-top:4px;}
.link-block:hover .link-more{color:var(--brand);}
.link-more svg{width:14px;height:14px;fill:currentColor;}

/* CTA 条 */
.cta-strip{
  background:var(--ink);border-radius:var(--radius-card);
  padding:38px 40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-strip h2{color:#F2EFEA;font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-strip p{color:#C9D3CF;font-size:15.5px;max-width:620px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-deco{height:3px;width:96px;border-radius:3px;background:var(--brand);margin-top:26px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#D6DEDA;padding:68px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(242,84,45,.16);}
.footer-brand .brand-mark svg{fill:var(--brand);}
.footer-brand .brand-text{color:#F2EFEA;font-size:19px;font-weight:800;}
.footer-brand .brand-text span{color:var(--brand);}
.footer-desc{font-size:14.5px;line-height:1.85;color:#A9B5B0;margin-bottom:18px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  transition:background .22s ease,transform .22s ease;
}
.social-row a svg{width:16px;height:16px;fill:#D6DEDA;}
.social-row a:hover{background:var(--brand);transform:translateY(-2px);}
.social-row a:hover svg{fill:#fff;}
.footer-title{color:#F2EFEA;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-list{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-list a{color:#B9C4BF;font-size:14.5px;text-decoration:none;transition:color .2s ease;}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#93A09B;
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--sec-pad:74px;}
  .overview-grid{gap:36px;}
}
@media (max-width:991px){
  :root{--sec-pad:64px;}
  .nav-channels{display:none;}
  .search-box{display:none;}
  .login-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .overview-grid{grid-template-columns:1fr;gap:28px;}
  .tab-cols{grid-template-columns:1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;gap:30px;}
  .faq-side{position:static;}
  .link-blocks{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-strip{padding:32px 28px;}
}
@media (max-width:767px){
  :root{--sec-pad:52px;}
  .metric-grid{grid-template-columns:1fr;}
  .metric-card{padding:22px;}
  .bar-line{grid-template-columns:84px 1fr 44px;font-size:12.5px;}
  .compare-wrap{padding:22px 18px;}
  .link-blocks{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{flex:1 1 auto;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 44px 18px 14px;}
  .faq-acc .accordion-body{padding:0 20px 20px 14px;}
}
@media (max-width:575px){
  .page-hero{padding:40px 0 38px;}
  .hero-lead{font-size:16px;}
  .metric-value{font-size:23px;}
  .btn-x{width:100%;}
  .anchor-pills .pill{flex:1 1 auto;justify-content:center;}
  .header-inner{min-height:68px;}
  .mobile-drawer{top:68px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}