/* roulang page: index */
:root{
  --brand-1:#F4511E;
  --brand-2:#FF8A3D;
  --brand-3:#FFB020;
  --grad-brand:linear-gradient(96deg,#F4511E 0%,#FF8A3D 52%,#FFB020 100%);
  --ink:#0F2E27;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#F1EEE8;
  --line:#E4E0D9;
  --text:#14201C;
  --text-2:#5A6B65;
  --text-3:#93A29C;
  --accent:#12C2A0;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,39,.05),0 10px 28px -16px rgba(15,46,39,.16);
  --sh-2:0 20px 44px -20px rgba(244,81,30,.38);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-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:1.9;
  color:var(--text);background:var(--bg);overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-md);border:1px solid var(--line);object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--text)}
p{margin:0}
strong,b{font-weight:800}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 24px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 8px 26px -16px rgba(15,46,39,.35)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;box-shadow:0 8px 18px -10px rgba(244,81,30,.9)}
.brand__mark svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.brand__text{display:flex;flex-direction:column;line-height:1.22}
.brand__main{font-size:16.5px;font-weight:800;color:var(--text)}
.brand__sub{font-size:11.5px;color:var(--text-3);letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--text-2);transition:color .2s ease,background .2s ease}
.nav-link:hover{color:var(--brand-1);background:rgba(244,81,30,.07)}
.nav-link.is-active{color:var(--brand-1)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box input{width:240px;height:42px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface-2);font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 8px rgba(244,81,30,.08)}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);place-items:center}
.menu-btn span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.menu-btn span::before,.menu-btn span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-pill);font-size:15.5px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease,border-color .22s ease}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(244,81,30,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 20px 44px -20px rgba(244,81,30,.75)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px -12px rgba(244,81,30,.9)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:600;font-size:14.5px}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--grey{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:clamp(26px,2.6vw,34px);line-height:1.3}
.section-sub{margin-top:14px;color:var(--text-2);font-size:16px}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}

/* ---------- Hero ---------- */
.hero{position:relative;padding:64px 0 76px;background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);overflow:hidden}
.hero::before{content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(244,81,30,.16),transparent 68%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:var(--r-pill);background:rgba(244,81,30,.09);color:var(--brand-1);font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:clamp(34px,4.6vw,54px);line-height:1.22;margin-bottom:20px}
.lead{font-size:16.5px;color:var(--text-2);line-height:1.9;max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--r-pill);background:rgba(244,81,30,.08);font-size:13.5px;color:var(--text-2);line-height:1.4}
.badge b{color:var(--brand-1);font-weight:800;font-variant-numeric:tabular-nums}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,194,160,.16);flex-shrink:0}
.hero-visual{position:relative;z-index:1}
.hero-visual img{width:100%;aspect-ratio:4/3;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-1)}
.hero-glow{position:absolute;inset:auto -8% -10% -8%;height:58%;border-radius:50%;background:radial-gradient(ellipse at center,rgba(244,81,30,.18),transparent 70%);z-index:-1}
.hero-float{position:absolute;left:-14px;bottom:26px;display:flex;align-items:center;gap:12px;padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1)}
.hero-float strong{display:block;font-size:20px;line-height:1.2;color:var(--brand-1);font-variant-numeric:tabular-nums}
.hero-float span{font-size:12.5px;color:var(--text-2)}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{position:relative;padding:30px 26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.35)}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;box-shadow:0 12px 24px -14px rgba(244,81,30,.95);margin-bottom:18px}
.step-card h3{font-size:19px;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--text-2);line-height:1.85}
.step-tag{display:inline-flex;align-items:center;gap:6px;margin-top:16px;padding:5px 12px;border-radius:var(--r-pill);background:rgba(18,194,160,.1);color:#0C8F78;font-size:12.5px;font-weight:600}

/* ---------- 适配矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.matrix-item{display:flex;gap:18px;padding:26px 28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.matrix-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.35)}
.matrix-icon{flex-shrink:0;width:48px;height:48px;border-radius:14px;background:rgba(244,81,30,.09);display:grid;place-items:center}
.matrix-icon svg{width:24px;height:24px;stroke:var(--brand-1);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.matrix-item h3{font-size:18px;margin-bottom:8px}
.matrix-item p{font-size:14.8px;color:var(--text-2);line-height:1.85}

/* ---------- 案例证明 ---------- */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;margin-bottom:76px}
.case-row:last-child{margin-bottom:0}
.case-row.reverse .case-figure{order:2}
.case-figure img{width:100%;aspect-ratio:16/10;border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.case-body h3{font-size:22px;margin-bottom:14px}
.case-body p{font-size:15.5px;color:var(--text-2);line-height:1.9}
.case-stats{display:flex;flex-wrap:wrap;gap:14px;margin:24px 0 18px}
.case-stat{padding:14px 20px;background:var(--surface-2);border-radius:var(--r-md);min-width:134px}
.case-stat strong{display:block;font-size:26px;line-height:1.2;color:var(--brand-1);font-variant-numeric:tabular-nums}
.case-stat span{font-size:12.5px;color:var(--text-2)}
.case-source{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.35)}
.news-card__thumb{display:block;overflow:hidden}
.news-card__thumb img{width:100%;aspect-ratio:16/9;border:0;border-radius:0}
.news-card__body{display:flex;flex-direction:column;gap:12px;flex:1;padding:22px 24px 24px}
.tag{display:inline-flex;align-self:flex-start;padding:5px 13px;border-radius:var(--r-pill);background:rgba(244,81,30,.08);color:var(--brand-1);font-size:12.5px;font-weight:600}
.news-card__title{font-size:18px;line-height:1.55}
.news-card__title a:hover{color:var(--brand-1)}
.news-card__excerpt{font-size:14.5px;line-height:1.85;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--text-3)}
.empty-state{grid-column:1/-1;text-align:center;padding:60px 24px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg)}
.empty-state__icon{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:rgba(244,81,30,.09);display:grid;place-items:center}
.empty-state__icon svg{width:26px;height:26px;stroke:var(--brand-1);fill:none;stroke-width:1.9;stroke-linecap:round}
.empty-state p{color:var(--text-2);font-size:15.5px;margin-bottom:20px}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease}
.faq-item.open{border-color:var(--brand-1);box-shadow:0 16px 36px -24px rgba(244,81,30,.6)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--text)}
.faq-q .plus{position:relative;flex-shrink:0;width:20px;height:20px;transition:transform .24s ease}
.faq-q .plus::before,.faq-q .plus::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-1);border-radius:2px;transform:translate(-50%,-50%)}
.faq-q .plus::before{width:16px;height:2px}
.faq-q .plus::after{width:2px;height:16px}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 24px 22px;font-size:15.5px;line-height:1.9;color:var(--text-2)}

/* ---------- CTA ---------- */
.section--cta{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.section--cta::before{content:"";position:absolute;top:-180px;left:-120px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(244,81,30,.24),transparent 70%)}
.section--cta::after{content:"";position:absolute;bottom:-220px;right:-140px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(18,194,160,.14),transparent 70%)}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.section--cta .section-title{color:#fff}
.section--cta .section-sub{color:rgba(255,255,255,.72)}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.8px;color:rgba(255,255,255,.78)}
.cta-points svg{width:18px;height:18px;flex-shrink:0;margin-top:5px;stroke:var(--accent);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.cta-form{padding:28px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.72);margin-bottom:8px}
.field input{width:100%;height:46px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{border-color:var(--brand-2);background:rgba(255,255,255,.12);box-shadow:0 0 0 8px rgba(255,138,61,.16)}
.cta-form .btn{width:100%}
.form-note{margin-top:14px;padding:12px 16px;border-radius:12px;background:rgba(18,194,160,.16);color:#9AF2DE;font-size:13.5px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);padding-top:72px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.5)}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.footer-col p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-col a{display:block;font-size:14.5px;line-height:2.2;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--brand-2)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:#fff;padding:20px;display:none;flex-direction:column;gap:18px;overflow-y:auto}
.drawer.is-open{display:flex}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.drawer__close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:22px;line-height:1;color:var(--text-2)}
.drawer .search-box{display:flex}
.drawer .search-box input{width:100%;height:46px}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-sm);font-size:16px;font-weight:600;color:var(--text-2)}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(244,81,30,.08);color:var(--brand-1)}

/* ---------- 滚动淡入 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .search-box{display:none}
}
@media (max-width:960px){
  .main-nav{display:none}
  .menu-btn{display:grid}
  .header-inner{height:60px}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .hero-float{left:12px;bottom:16px}
  .case-row{grid-template-columns:1fr;gap:28px}
  .case-row.reverse .case-figure{order:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section--tight{padding:46px 0}
  .hero{padding:34px 0 48px}
  .section-head{margin-bottom:30px}
  .steps{grid-template-columns:1fr}
  .matrix{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-form{padding:22px}
  .footer-grid{padding-bottom:36px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand__sub{display:none}
  .brand__main{font-size:15px}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}
  .badge{flex-shrink:0}
  .hero-actions .btn{width:100%}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .case-stats{gap:10px}
  .case-stat{flex:1 1 44%}
}

/* roulang page: category1 */
:root{
  --brand-1:#F4511E;
  --brand-2:#FF8A3D;
  --brand-3:#FFB020;
  --grad-brand:linear-gradient(96deg,#F4511E 0%,#FF8A3D 52%,#FFB020 100%);
  --accent:#12C2A0;
  --ink:#14201C;
  --ink-2:#5A6B65;
  --ink-3:#93A29C;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#F1EEE8;
  --line:#E4E0D9;
  --dark:#0F2E27;
  --line-dark:rgba(255,255,255,.14);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,39,.05), 0 10px 28px -16px rgba(15,46,39,.16);
  --sh-2:0 20px 44px -20px rgba(244,81,30,.38);
  --sec-pad:52px;
}
@media (min-width:768px){:root{--sec-pad:64px;}}
@media (min-width:1024px){:root{--sec-pad:92px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 24px;}}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,46,39,.05);
  transition:box-shadow .28s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 28px -14px rgba(15,46,39,.30);}
.header-inner{display:flex;align-items:center;gap:16px;height:60px;}
@media (min-width:1024px){.header-inner{height:72px;gap:26px;}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0;}
.brand__mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;
  display:grid;place-items:center;
  color:var(--brand-1);
  background:linear-gradient(135deg,rgba(244,81,30,.12),rgba(255,176,32,.20));
  border:1px solid rgba(244,81,30,.30);
}
.brand__mark svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:2.1;stroke-linecap:round;}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__main{font-size:15.5px;font-weight:800;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand__sub{font-size:11.5px;line-height:1.35;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
@media (max-width:767.98px){
  .brand__sub{display:none;}
  .brand__main{font-size:14.5px;max-width:44vw;}
}
.main-nav{display:none;}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 12px;border-radius:var(--r-sm);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(244,81,30,.07);}
.nav-link.is-active{color:var(--brand-1);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  border-radius:2px;background:var(--grad-brand);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{display:none;}
@media (min-width:1024px){.search-box{display:block;}}
.search-box input{
  width:240px;height:40px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2393A29C' stroke-width='2' stroke-linecap='round'><circle cx='7' cy='7' r='5'/><path d='M11 11l4 4'/></svg>") no-repeat 13px center;
  font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:var(--ink-3);font-size:13.5px;}
.search-box input:focus{
  outline:none;border-color:var(--brand-1);
  box-shadow:0 0 0 4px rgba(244,81,30,.14);
}
.menu-btn{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,background-color .2s ease;
}
.menu-btn:hover{border-color:var(--brand-1);background:rgba(244,81,30,.06);}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .25s ease,opacity .2s ease;
}
.menu-btn span::before{transform:translateY(-6px);}
.menu-btn span::after{transform:translateY(4px);}
body.drawer-open .menu-btn span{background:transparent;}
body.drawer-open .menu-btn span::before{transform:rotate(45deg);}
body.drawer-open .menu-btn span::after{transform:rotate(-45deg) translateY(-2px);}
@media (min-width:1024px){.menu-btn{display:none;}}
@media (max-width:1023.98px){
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    display:none;flex-direction:column;gap:2px;
    padding:18px 20px 40px;background:#fff;overflow-y:auto;z-index:55;
    border-top:1px solid var(--line);
  }
  body.drawer-open .main-nav{display:flex;}
  body.drawer-open{overflow:hidden;}
  .main-nav .nav-link{
    padding:15px 6px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .main-nav .nav-link.is-active::after{left:6px;right:auto;width:36px;bottom:6px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(244,81,30,.75);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-1);font-weight:600;font-size:15px;
}
.text-link i{display:inline-block;transition:transform .2s ease;font-style:normal;}
.text-link:hover i{transform:translateX(3px);}

/* ============ 标签 / 徽章 ============ */
.tag-pill{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(244,81,30,.09);color:var(--brand-1);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}
@media (max-width:767.98px){
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .badge-row::-webkit-scrollbar{height:3px;}
  .badge-row::-webkit-scrollbar-thumb{background:rgba(244,81,30,.28);border-radius:3px;}
}
.badge{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(244,81,30,.08);
  border:1px solid rgba(244,81,30,.16);
  font-size:13.5px;color:var(--ink-2);white-space:nowrap;
}
.badge .num{color:var(--brand-1);font-size:17px;}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,194,160,.16);}
.badge--dark{background:rgba(255,255,255,.08);border-color:var(--line-dark);color:rgba(255,255,255,.76);}
.badge--dark .num{color:#FFB020;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);margin-bottom:12px;
}
.breadcrumb a{color:var(--ink-3);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 48px;
  background:
    radial-gradient(760px 340px at 88% -10%,rgba(244,81,30,.16),transparent 62%),
    radial-gradient(520px 300px at 4% 110%,rgba(18,194,160,.10),transparent 66%),
    var(--bg);
}
@media (min-width:1024px){.page-hero{padding:52px 0 62px;}}
.page-hero__grid{display:grid;gap:34px;align-items:center;}
@media (min-width:1024px){
  .page-hero__grid{grid-template-columns:1.08fr .92fr;gap:56px;}
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,42px);
  line-height:1.26;
  margin:14px 0 16px;
  letter-spacing:0;
}
.page-hero__lead{font-size:16.5px;color:var(--ink-2);max-width:620px;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.page-hero__figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.page-hero__figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.page-hero__figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(244,81,30,.10),rgba(15,46,39,.28));
  pointer-events:none;
}
.float-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  box-shadow:0 12px 30px -18px rgba(15,46,39,.5);
}

/* ============ 板块 ============ */
.section{padding:var(--sec-pad) 0;}
.section--tint{background:var(--surface-2);}
.section--plain{background:#fff;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;margin:12px 0 12px;}
.sec-head p{color:var(--ink-2);font-size:15.5px;}
.sec-head--row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;max-width:none;}

/* ============ 左右图文交替 ============ */
.media-row{display:grid;gap:32px;align-items:center;}
.media-row + .media-row{margin-top:var(--sec-pad);}
@media (min-width:1024px){
  .media-row{grid-template-columns:1fr 1fr;gap:64px;}
  .media-row.reverse .media-text{order:2;}
  .media-row.reverse .media-figure{order:1;}
}
.media-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  background:var(--surface);
}
.media-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .5s ease;}
.media-figure:hover img{transform:scale(1.03);}
.media-figure figcaption{
  position:absolute;left:14px;bottom:14px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);border:1px solid var(--line);
  font-size:12.5px;color:var(--ink-2);
}
.media-text h2{font-size:clamp(22px,2.4vw,30px);line-height:1.34;margin:12px 0 14px;}
.media-text > p{color:var(--ink-2);font-size:15.5px;}

/* ============ 要点卡 ============ */
.point-list{display:grid;gap:12px;margin-top:24px;}
@media (min-width:768px){.point-list{grid-template-columns:1fr 1fr;}}
.point-card{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.34);}
.point-card__num{
  flex:0 0 auto;width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:800;
}
.point-card h3{font-size:16.5px;margin-bottom:5px;line-height:1.45;}
.point-card p{font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ============ 核对清单 ============ */
.check-list{display:grid;gap:12px;margin-top:22px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--r-md);
  background:rgba(18,194,160,.07);border:1px solid rgba(18,194,160,.22);
}
.check-item svg{flex:0 0 auto;width:20px;height:20px;margin-top:3px;stroke:var(--accent);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}
.check-item span{font-size:14.8px;color:var(--ink);line-height:1.8;}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:26px;padding:18px 20px;
  border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand-1);
  box-shadow:var(--sh-1);
}
.notice strong{display:block;font-size:15.5px;margin-bottom:4px;}
.notice p{font-size:14.5px;color:var(--ink-2);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--dark);
  color:#fff;
  padding:44px 28px;
  box-shadow:0 26px 60px -34px rgba(15,46,39,.7);
}
@media (min-width:768px){.cta-band{padding:56px 44px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 300px at 88% 6%,rgba(244,81,30,.34),transparent 62%),
    radial-gradient(420px 260px at 6% 100%,rgba(255,176,32,.18),transparent 68%);
}
.cta-band__inner{position:relative;display:grid;gap:26px;align-items:center;}
@media (min-width:1024px){.cta-band__inner{grid-template-columns:1.2fr .8fr;gap:48px;}}
.cta-band h2{font-size:clamp(22px,2.5vw,30px);color:#fff;margin-bottom:12px;line-height:1.36;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:640px;}
.cta-band .badge-row{margin-top:22px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (min-width:1024px){.cta-band__actions{justify-content:flex-end;}}
.btn-on-dark{background:#fff;color:var(--ink);}
.btn-on-dark:hover{border-color:transparent;color:var(--brand-1);transform:translateY(-1px);}
.btn-outline-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-outline-dark:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:var(--sec-pad);
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:56px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.footer-grid{display:grid;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col a{
  display:block;font-size:14.5px;color:rgba(255,255,255,.72);
  padding:5px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#FF8A3D;transform:translateX(2px);}
.footer-col p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand__mark{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#FFB020;
}
.footer-brand .brand__main{color:#fff;}
.footer-brand .brand__sub{color:rgba(255,255,255,.6);}
.footer-bottom{
  margin-top:38px;padding-top:20px;
  border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:#FF8A3D;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease;}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .btn,.point-card,.media-figure img{transition:none;}
}
@media print{
  .site-header,.site-footer,.cta-band,.menu-btn{display:none;}
  body{background:#fff;}
}

/* roulang page: article */
:root{
  --brand-1:#F4511E;
  --brand-2:#FF8A3D;
  --brand-3:#FFB020;
  --grad-brand:linear-gradient(96deg,#F4511E 0%,#FF8A3D 52%,#FFB020 100%);
  --accent:#12C2A0;
  --ink:#14201C;
  --ink-2:#5A6B65;
  --ink-3:#93A29C;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#F1EEE8;
  --line:#E4E0D9;
  --line-dark:rgba(255,255,255,.14);
  --dark:#0F2E27;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,39,.05),0 10px 28px -16px rgba(15,46,39,.16);
  --sh-2:0 20px 44px -20px rgba(244,81,30,.38);
  --sec:96px;
  --sec-tab:64px;
  --sec-mob:52px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
strong{font-weight:800;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 24px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,46,39,.04);
  transition:box-shadow .28s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px -14px rgba(15,46,39,.24);}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;min-width:0;}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  border:2px solid transparent;
  box-shadow:0 6px 16px -10px rgba(244,81,30,.6);
}
.brand__mark svg{width:26px;height:26px;fill:none;stroke:var(--brand-1);stroke-width:2.1;stroke-linecap:round;}
.brand__mark svg circle{fill:var(--brand-2);stroke:none;}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__main{font-size:16.5px;font-weight:800;line-height:1.25;color:var(--ink);white-space:nowrap;}
.brand__sub{font-size:11.5px;line-height:1.4;color:var(--ink-3);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 13px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-sm);transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand-1);background:rgba(244,81,30,.06);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.search-box{position:relative;}
.search-box input{
  width:240px;height:40px;padding:0 14px;font-size:13.5px;color:var(--ink);
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(244,81,30,.14);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;font-size:15px;font-weight:600;
  border-radius:var(--r-pill);border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(244,81,30,.7);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);}
.btn-dark-ghost{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-dark-ghost:hover{border-color:var(--brand-3);color:var(--brand-3);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:700;font-size:14.5px;}
.btn-text span{transition:transform .2s ease;}
.btn-text:hover span{transform:translateX(3px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.menu-btn{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;cursor:pointer;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
}
.menu-btn span::before{top:-6px;}
.menu-btn span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;
  transform:translateY(-102%);transition:transform .32s ease;
  display:flex;flex-direction:column;padding:18px 20px 28px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateY(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer__nav a{
  padding:14px 14px;border-radius:var(--r-md);font-size:16px;font-weight:600;color:var(--ink);
  background:var(--surface-2);
}
.drawer__nav a.is-active{color:var(--brand-1);background:rgba(244,81,30,.08);}
.drawer__search input{
  width:100%;height:46px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:14.5px;margin-bottom:14px;
}
.drawer__search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(244,81,30,.14);}
.drawer__cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:18px;}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec) 0;}
.section--tight{padding-top:0;}
.section-title{margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--brand-1);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
.section-title h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;color:var(--ink);}
.section-title p{margin-top:12px;color:var(--ink-2);font-size:15.5px;max-width:760px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- 文章头部 ---------- */
.article-head{
  padding:34px 0 0;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:14px;
}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;font-size:12.5px;font-weight:600;
  color:var(--brand-1);background:rgba(244,81,30,.09);border-radius:var(--r-pill);
}
.tag-pill--plain{color:var(--ink-2);background:var(--surface-2);}
.article-title{
  margin:16px 0 0;font-size:clamp(26px,3.4vw,42px);line-height:1.28;color:var(--ink);font-weight:800;
  overflow-wrap:break-word;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:20px;padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
.meta-row a{color:var(--ink-2);}
.meta-row a:hover{color:var(--brand-1);}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;
  padding-top:44px;padding-bottom:var(--sec);
  align-items:start;
}
.article-body{max-width:760px;min-width:0;}
.article-content{font-size:17px;line-height:1.95;color:#22302a;}
.article-content>*:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;}
.article-content h2{
  position:relative;margin:2em 0 1em;padding-left:16px;
  font-size:clamp(21px,2.1vw,24px);line-height:1.45;color:var(--ink);font-weight:800;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.article-content h3{margin:1.6em 0 .7em;font-size:20px;font-weight:800;color:var(--ink);}
.article-content h4{margin:1.4em 0 .6em;font-size:17.5px;font-weight:800;color:var(--ink);}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:1.5em;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin:.45em 0;}
.article-content li::marker{color:var(--brand-1);}
.article-content blockquote{
  margin:1.6em 0;padding:18px 22px;background:rgba(244,81,30,.07);
  border-left:4px solid var(--brand-1);border-radius:0 14px 14px 0;color:#33423c;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content a{color:#D8430F;text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-1);}
.article-content img{border-radius:16px;border:1px solid var(--line);margin:1.6em 0;height:auto;}
.article-content figcaption{font-size:13.5px;color:var(--ink-3);text-align:center;margin:10px 0 1.6em;}
.table-scroll{width:100%;overflow-x:auto;margin:1.6em 0;border-radius:14px;}
.article-content table{
  width:100%;min-width:520px;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;
}
.article-content th,.article-content td{
  padding:12px 16px;font-size:15px;text-align:left;border-bottom:1px solid var(--line);
}
.article-content th{background:var(--surface-2);font-weight:800;color:var(--ink);}
.article-content tbody tr:nth-child(even){background:#FAF8F5;}
.article-content tbody tr:last-child td{border-bottom:none;}
.article-content hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.article-content code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14.5px;}

.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:52px 28px;text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:12px;}
.empty-state p{color:var(--ink-2);font-size:15px;max-width:520px;margin:0 auto 22px;}

/* ---------- 标签 / 上下篇 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.tag-row a{
  padding:6px 14px;font-size:13px;font-weight:600;color:var(--ink-2);
  background:var(--surface-2);border-radius:var(--r-pill);transition:all .2s ease;
}
.tag-row a:hover{background:rgba(244,81,30,.1);color:var(--brand-1);}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.pn-card{
  display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pn-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.35);}
.pn-card small{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:8px;}
.pn-card strong{display:block;font-size:15.5px;font-weight:800;line-height:1.6;color:var(--ink);}
.pn-card--next{text-align:right;}
.back-cat{margin-top:20px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:24px;
}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:14px;color:var(--ink);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:280px;overflow-y:auto;}
.toc-list a{
  display:block;padding:8px 10px;font-size:14px;color:var(--ink-2);border-radius:var(--r-sm);
  border-left:2px solid transparent;transition:all .2s ease;line-height:1.6;
}
.toc-list a:hover{color:var(--brand-1);background:rgba(244,81,30,.06);border-left-color:var(--brand-1);}
.toc-empty{font-size:13.5px;color:var(--ink-3);}
.side-cta{background:var(--dark);border:none;color:#fff;position:relative;overflow:hidden;}
.side-cta::before{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,81,30,.42),transparent 68%);
}
.side-cta h3{color:#fff;position:relative;}
.side-cta p{position:relative;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:16px;}
.side-cta .btn{width:100%;position:relative;}
.hot-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hot-tags a{
  padding:6px 13px;font-size:13px;font-weight:600;color:var(--ink-2);
  background:var(--surface-2);border-radius:var(--r-pill);transition:all .2s ease;
}
.hot-tags a:hover{background:rgba(244,81,30,.1);color:var(--brand-1);}

/* ---------- 相关推荐 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.32);}
.card__media{position:relative;aspect-ratio:16/9;background:var(--grad-brand);overflow:hidden;}
.card__media img{width:100%;height:100%;object-fit:cover;}
.card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:18px;font-weight:800;line-height:1.55;color:var(--ink);}
.card__body p{font-size:14.5px;line-height:1.85;color:var(--ink-2);}
.card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.card__meta .arrow{color:var(--brand-1);font-weight:700;transition:transform .2s ease;}
.card:hover .card__meta .arrow{transform:translateX(4px);}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:52px 44px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,81,30,.34),transparent 66%);
}
.cta-band h2{font-size:clamp(23px,2.4vw,30px);color:#fff;position:relative;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.74);max-width:560px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;}
.cta-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;}
.cta-form input{
  flex:1 1 220px;min-width:0;height:46px;padding:0 16px;font-size:14.5px;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid var(--line-dark);border-radius:var(--r-sm);
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{outline:none;border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(255,176,32,.2);}
.form-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6);position:relative;}

/* ---------- 数据徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(244,81,30,.08);font-size:13.5px;color:var(--ink-2);
}
.badge .v{color:var(--brand-1);font-weight:800;font-variant-numeric:tabular-nums;}
.badge .s{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.badge--sm{padding:6px 13px;font-size:12.5px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:var(--sec);background:var(--dark);color:rgba(255,255,255,.72);
  border-top:3px solid transparent;
  border-image:var(--grad-brand) 1;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.site-footer .brand__mark{background:transparent;border:2px solid rgba(255,255,255,.22);}
.site-footer .brand__mark svg{stroke:var(--brand-3);}
.site-footer .brand__mark svg circle{fill:var(--brand-2);}
.site-footer .brand__main{color:#fff;}
.site-footer .brand__sub{color:rgba(255,255,255,.55);}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);margin-bottom:0;}
.footer-col h3{font-size:15.5px;color:#fff;font-weight:800;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-3);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  padding:20px 0 28px;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:var(--brand-3);}
.fade-in{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;}
.fade-in.is-visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .fade-in{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media(max-width:1180px){
  .search-box input{width:180px;}
  .nav-link{padding:0 10px;font-size:14px;}
}
@media(max-width:1024px){
  :root{--sec:var(--sec-tab);}
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-btn{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px;}
}
@media(max-width:768px){
  :root{--sec:var(--sec-mob);}
  .header-inner{height:60px;gap:10px;}
  .brand__mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;}
  .brand__mark svg{width:22px;height:22px;}
  .brand__main{font-size:15px;}
  .brand__sub{display:none;}
  .article-head{padding-top:22px;}
  .article-title{font-size:clamp(23px,5.4vw,30px);}
  .article-content{font-size:16.5px;line-height:1.9;}
  .prev-next{grid-template-columns:1fr;}
  .pn-card--next{text-align:left;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;}
  .badge-row::-webkit-scrollbar{height:4px;}
  .badge-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
  .tag-row{gap:8px;}
}
@media print{
  .site-header,.site-footer,.article-side,.cta-band,.drawer{display:none !important;}
  body{background:#fff;}
  .article-layout{display:block;padding-bottom:0;}
}

/* roulang page: category2 */
:root{
  --brand-1:#F4511E;
  --brand-2:#FF8A3D;
  --brand-3:#FFB020;
  --grad-brand:linear-gradient(96deg,#F4511E 0%,#FF8A3D 52%,#FFB020 100%);
  --ink:#0F2E27;
  --accent:#12C2A0;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --surface-2:#F1EEE8;
  --line:#E4E0D9;
  --text:#14201C;
  --text-2:#5A6B65;
  --text-3:#93A29C;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,39,.05), 0 10px 28px -16px rgba(15,46,39,.16);
  --sh-hover:0 20px 44px -20px rgba(244,81,30,.38);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto;border-radius:var(--r-md);border:1px solid var(--line);object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:800}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec-y) 0}
.section--tight{padding:56px 0}
.section--surface{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:36px}
.section-title{font-size:clamp(26px,2.6vw,34px);margin-bottom:12px}
.section-title--line{padding-left:16px;border-left:4px solid var(--brand-1);background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;border-image:var(--grad-brand) 1}
.section-sub{color:var(--text-2);font-size:16px;line-height:1.9}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-1);background:rgba(244,81,30,.08);border:1px solid rgba(244,81,30,.16);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(15,46,39,.04);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -16px rgba(15,46,39,.30)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
  box-shadow:0 10px 22px -14px rgba(244,81,30,.85);
}
.brand__mark svg{width:26px;height:26px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand__text{display:flex;flex-direction:column;line-height:1.3}
.brand__main{font-size:16px;font-weight:800;color:var(--text);white-space:nowrap}
.brand__sub{font-size:12px;color:var(--text-3);font-weight:400;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{position:relative;padding:10px 12px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--text-2);white-space:nowrap;transition:color .2s ease,background-color .2s ease}
.nav-link:hover{color:var(--brand-1);background:rgba(244,81,30,.06)}
.nav-link.is-active{color:var(--brand-1)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{display:block}
.search-box input{
  width:240px;height:42px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface-2);font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search-box input::placeholder{color:var(--text-3)}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 5px rgba(244,81,30,.13)}
.menu-btn{display:none;position:relative;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--text);transform:translateX(-50%);
  transition:transform .25s ease,opacity .2s ease;
}
.menu-btn span{top:50%;margin-top:-1px}
.menu-btn span::before{content:"";left:0;transform:none;top:-6px}
.menu-btn span::after{content:"";left:0;transform:none;top:6px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);background:var(--brand-1)}
.menu-btn[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);background:var(--brand-1)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 14px 30px -18px rgba(244,81,30,.9)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 20px 40px -18px rgba(244,81,30,.7)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
.btn-secondary:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:600;font-size:15px}
.btn-text .arrow{transition:transform .2s ease}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- Badges ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(244,81,30,.08);border:1px solid rgba(244,81,30,.15);
  font-size:13.5px;color:var(--text-2);
}
.badge strong{color:var(--brand-1);font-size:15px;font-variant-numeric:tabular-nums;font-weight:800}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(18,194,160,.16);flex:0 0 auto}

/* ---------- Hero ---------- */
.cat-hero{position:relative;padding:52px 0 64px;background:var(--bg);overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,81,30,.16),rgba(244,81,30,0) 68%);
}
.cat-hero::after{
  content:"";position:absolute;bottom:-200px;left:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.12),rgba(18,194,160,0) 70%);
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:14px}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text)}
.cat-hero h1{font-size:clamp(28px,3.8vw,44px);line-height:1.26;max-width:900px;margin-bottom:18px}
.cat-hero h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:780px;color:var(--text-2);font-size:16.5px;line-height:1.9;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}

/* ---------- Timeline ---------- */
.timeline-wrap{max-width:940px}
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#F4511E 0%,#FF8A3D 45%,#FFB020 72%,rgba(18,194,160,.75) 100%);
}
.tl-item{position:relative;padding:0 0 30px 70px}
.tl-item:last-child{padding-bottom:0}
.tl-node{
  position:absolute;left:0;top:2px;width:40px;height:40px;border-radius:50%;
  background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-variant-numeric:tabular-nums;font-weight:800;
  box-shadow:0 12px 26px -14px rgba(244,81,30,.9);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(244,81,30,.35)}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card p{color:var(--text-2);font-size:15px;line-height:1.85}
.tl-meta{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;color:var(--text-3)}

/* ---------- Check / score ---------- */
.check-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start}
.check-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1)}
.check-item{padding:18px 0;border-bottom:1px dashed var(--line)}
.check-item:first-of-type{padding-top:6px}
.check-item:last-child{border-bottom:0;padding-bottom:0}
.check-item .row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:10px}
.check-item h3{font-size:17px;font-weight:800}
.check-item .pts{font-size:13px;color:var(--brand-1);font-weight:800;font-variant-numeric:tabular-nums}
.check-item p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.progress{height:8px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden;margin-top:12px}
.progress i{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad-brand)}
.score-card{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:32px 30px;box-shadow:0 24px 50px -30px rgba(15,46,39,.7);
}
.score-card::before{
  content:"";position:absolute;top:-110px;right:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,81,30,.30),rgba(244,81,30,0) 70%);
}
.score-card > *{position:relative;z-index:1}
.score-label{font-size:13px;color:rgba(255,255,255,.72)}
.score-value{display:flex;align-items:baseline;gap:8px;margin:10px 0 18px}
.score-value strong{font-size:56px;line-height:1;font-variant-numeric:tabular-nums;background:linear-gradient(96deg,#FFB020,#FF8A3D);-webkit-background-clip:text;background-clip:text;color:transparent}
.score-value span{font-size:16px;color:rgba(255,255,255,.72)}
.score-list{display:grid;gap:12px;margin:0}
.score-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.8}
.score-list li b{color:#fff;font-weight:700}

/* ---------- Abnormal steps ---------- */
.step3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step3-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.step3-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(244,81,30,.35)}
.step3-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(244,81,30,.08);color:var(--brand-1);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px}
.step3-card h3{font-size:18.5px;margin-bottom:10px}
.step3-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- Split block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;box-shadow:var(--sh-1)}
.split-media::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:56%;height:56%;border-radius:var(--r-md);
  background:radial-gradient(circle,rgba(244,81,30,.22),rgba(244,81,30,0) 72%);z-index:-1;
}
.split h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:14px}
.split p{color:var(--text-2);font-size:16px;margin-bottom:18px}
.feature-list{display:grid;gap:14px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s ease}
.feature-list li:hover{border-color:rgba(244,81,30,.35);transform:translateY(-2px)}
.feature-list .tick{width:22px;height:22px;border-radius:50%;background:rgba(18,194,160,.14);color:#0E9E82;display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:13px;font-weight:800;margin-top:3px}
.feature-list b{display:block;font-size:15.5px;font-weight:800;margin-bottom:2px}
.feature-list span{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- Q&A ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.qa-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;box-shadow:var(--sh-1);transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease}
.qa-card:hover{border-color:rgba(244,81,30,.35);transform:translateY(-3px);box-shadow:var(--sh-hover)}
.qa-card h3{font-size:17px;margin-bottom:10px;padding-left:14px;border-left:3px solid var(--brand-1)}
.qa-card p{font-size:14.5px;color:var(--text-2);line-height:1.88}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:52px 48px;box-shadow:0 30px 60px -34px rgba(15,46,39,.75)}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.14;
}
.cta-band::after{
  content:"";position:absolute;top:-140px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,81,30,.34),rgba(244,81,30,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.5vw,32px);color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.75);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-band .btn-secondary{background:transparent;border-color:rgba(255,255,255,.32);color:#fff}
.cta-band .btn-secondary:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;margin-top:96px;background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 28px;overflow:hidden;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.site-footer::after{
  content:"";position:absolute;bottom:-180px;left:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,81,30,.16),rgba(244,81,30,0) 70%);
}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--brand-2)}
.footer-col p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.58)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:var(--brand-2)}
.footer-bottom a:hover{color:#fff}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--sec-y:64px}
  .search-box input{width:190px}
  .brand__sub{display:none}
  .check-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-y:52px}
  .header-inner{min-height:60px;gap:10px}
  .search-box{display:none}
  .menu-btn{display:block}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;z-index:55;
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:24px 20px 40px;margin:0;
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity .24s ease,transform .24s ease;overflow-y:auto;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{font-size:17px;padding:14px 12px;border-radius:var(--r-md)}
  .nav-link.is-active{background:rgba(244,81,30,.07)}
  .nav-link.is-active::after{left:12px;right:auto;width:26px;bottom:8px}
  .cat-hero{padding:36px 0 48px}
  .hero-actions .btn{width:100%}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .badge{flex:0 0 auto;white-space:nowrap}
  .step3{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .tl-item{padding-left:58px}
  .tl-node{width:34px;height:34px;font-size:14px}
  .timeline::before{left:16px}
  .tl-card{padding:18px 20px}
  .cta-band{padding:36px 24px}
  .check-list{padding:22px 20px}
  .score-card{padding:26px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .site-footer{margin-top:64px;padding:48px 0 24px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .brand__main{font-size:15px}
  .cat-hero h1{font-size:clamp(24px,7vw,30px)}
  .hero-actions{flex-direction:column}
  .section-head{margin-bottom:26px}
}
@media print{
  .site-header,.cta-band,.menu-btn,.hero-actions{display:none}
  body{background:#fff}
  .site-footer{background:#fff;color:#333;margin-top:24px}
  .site-footer a,.footer-col a{color:#333}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand-1:#F4511E;
  --brand-2:#FF8A3D;
  --brand-3:#FFB020;
  --grad-brand:linear-gradient(96deg,#F4511E 0%,#FF8A3D 52%,#FFB020 100%);
  --accent:#12C2A0;
  --deep:#0F2E27;
  --ink:#14201C;
  --ink-2:#5A6B65;
  --ink-3:#93A29C;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#F1EEE8;
  --line:#E4E0D9;
  --line-soft:rgba(255,255,255,.14);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,39,.05),0 10px 28px -16px rgba(15,46,39,.16);
  --sh-2:0 20px 44px -20px rgba(244,81,30,.38);
  --sect:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 24px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px -16px rgba(15,46,39,.34)}
.header-inner{display:flex;align-items:center;gap:16px;height:72px}

.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  display:grid;place-items:center;
  background:rgba(244,81,30,.08);
  border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.brand__mark svg{width:26px;height:26px;fill:none;stroke:url(#brandGrad);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__main{font-size:16.5px;font-weight:800;color:var(--ink);letter-spacing:0}
.brand__sub{font-size:11.5px;color:var(--ink-3);font-weight:500}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;
  padding:9px 12px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-1);background:rgba(244,81,30,.07)}
.nav-link.is-active{color:var(--brand-1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:var(--grad-brand);
}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box input{
  width:240px;height:42px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--surface-2);font-size:13.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--brand-1);
  box-shadow:0 0 0 4px rgba(244,81,30,.14);
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;font-size:15px;font-weight:600;
  border-radius:var(--r-pill);border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(244,81,30,.75)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-1);font-weight:600;font-size:15px;min-height:44px;
}
.btn-text i{transition:transform .2s ease}
.btn-text:hover i{transform:translateX(3px)}

.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  place-items:center;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .22s ease,top .22s ease;
}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
.menu-btn.is-open span{background:transparent}
.menu-btn.is-open span::before{top:0;transform:rotate(45deg)}
.menu-btn.is-open span::after{top:0;transform:rotate(-45deg)}

/* 抽屉 */
.drawer{
  position:fixed;inset:72px 0 0 0;z-index:70;
  background:rgba(15,46,39,.34);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__inner{
  background:#fff;padding:20px;max-height:100%;overflow-y:auto;
  border-bottom-left-radius:var(--r-lg);border-bottom-right-radius:var(--r-lg);
  transform:translateY(-12px);transition:transform .24s ease;
}
.drawer.is-open .drawer__inner{transform:translateY(0)}
.drawer__search input{
  width:100%;height:46px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface-2);font-size:14px;
}
.drawer__search input:focus{outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 4px rgba(244,81,30,.14)}
.drawer__nav{display:flex;flex-direction:column;margin:16px 0}
.drawer__nav a{
  padding:13px 6px;font-size:16px;font-weight:600;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--brand-1)}

/* ============ 通用区块 ============ */
.section{padding:var(--sect) 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-title{
  font-size:clamp(26px,2.6vw,34px);font-weight:800;line-height:1.32;color:var(--ink);
}
.section-sub{margin-top:12px;color:var(--ink-2);font-size:15.5px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-1);
  letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad-brand)}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:14px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .current{color:var(--ink)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(680px 320px at 88% -10%,rgba(255,138,61,.20),transparent 70%),
    radial-gradient(520px 260px at 6% 0%,rgba(18,194,160,.10),transparent 72%),
    #fff;
  border-bottom:1px solid var(--line);
}
.hero--compact{padding:44px 0 52px}
.hero h1{
  font-size:clamp(30px,3.6vw,44px);
  font-weight:800;line-height:1.24;color:var(--ink);max-width:900px;
}
.hero__lead{margin-top:16px;max-width:820px;color:var(--ink-2);font-size:16.5px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(244,81,30,.08);border:1px solid rgba(244,81,30,.14);
  font-size:13.5px;color:var(--ink-2);white-space:nowrap;
}
.badge .val{color:var(--brand-1);font-weight:800;font-variant-numeric:tabular-nums;font-size:15px}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 8px;box-shadow:0 0 0 3px rgba(18,194,160,.16)}
.badge--lg{padding:12px 20px;font-size:14.5px}
.badge--lg .val{font-size:18px}

/* ============ 双列矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.matrix-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.matrix-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.38)}
.matrix-icon{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;
  display:grid;place-items:center;font-size:19px;color:var(--brand-1);
  background:rgba(244,81,30,.09);
}
.matrix-item h3{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:6px}
.matrix-item p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.matrix-tag{
  display:inline-block;margin-top:10px;padding:3px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:var(--brand-1);background:rgba(244,81,30,.08);
}
.matrix-tag--green{color:#0E8F76;background:rgba(18,194,160,.12)}

/* ============ 对比条 ============ */
.compare-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.compare{display:flex;flex-direction:column;gap:22px;margin-top:8px}
.compare-row{display:grid;grid-template-columns:132px 1fr 92px;align-items:center;gap:18px}
.compare-label{font-size:14.5px;font-weight:600;color:var(--ink)}
.compare-label small{display:block;font-size:12px;color:var(--ink-3);font-weight:500}
.compare-track{height:14px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden}
.compare-fill{display:block;height:100%;border-radius:var(--r-pill);background:var(--grad-brand);transition:width 1s cubic-bezier(.22,.8,.3,1)}
.compare-fill--green{background:linear-gradient(96deg,#0E8F76,#12C2A0)}
.compare-value{text-align:right;font-size:17px;color:var(--brand-1);font-variant-numeric:tabular-nums;font-weight:800}
.compare-note{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line);font-size:13.5px;color:var(--ink-3)}

/* ============ 三步排查 ============ */
.step-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;position:relative}
.step-row::before{
  content:"";position:absolute;top:30px;left:8%;right:8%;height:2px;
  background:repeating-linear-gradient(90deg,rgba(244,81,30,.45) 0 10px,transparent 10px 20px);
  z-index:0;
}
.step-card{
  position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.38)}
.step-num{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:19px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
  box-shadow:0 12px 24px -14px rgba(244,81,30,.9);
}
.step-card h3{font-size:19px;font-weight:800;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.step-meta{margin-top:14px;font-size:13px;color:var(--ink-3)}

/* ============ 速查列表 ============ */
.trouble-list{border-top:1px solid var(--line)}
.trouble-item{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.4fr) 128px;
  gap:24px;align-items:start;
  padding:26px 4px 26px 20px;border-bottom:1px solid var(--line);
  position:relative;transition:background .2s ease;
}
.trouble-item::before{
  content:"";position:absolute;left:0;top:28px;bottom:28px;width:3px;border-radius:3px;
  background:var(--line);transition:background .2s ease;
}
.trouble-item:hover{background:rgba(255,255,255,.7)}
.trouble-item:hover::before{background:var(--grad-brand)}
.trouble-item h3{font-size:17.5px;font-weight:800;line-height:1.6}
.trouble-item h3 span{
  display:inline-block;margin-left:10px;padding:2px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--brand-1);background:rgba(244,81,30,.08);vertical-align:2px;
}
.trouble-item p{font-size:14.5px;line-height:1.85;color:var(--ink-2)}
.trouble-time{text-align:right;font-size:13px;color:var(--ink-3)}
.trouble-time b{display:block;font-size:19px;color:var(--ink);font-variant-numeric:tabular-nums}

/* ============ 图文块 ============ */
.media-block{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:44px;align-items:center;
}
.media-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);background:var(--surface-2);
}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-body h2{font-size:clamp(24px,2.4vw,31px);font-weight:800;line-height:1.34}
.media-body p{margin-top:16px;color:var(--ink-2);font-size:15.5px;line-height:1.9}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.check-list i{color:var(--accent);margin-top:6px;font-size:14px}

/* ============ 数据卡 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:36px}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
}
.stat-card .val{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-1);line-height:1.2}
.stat-card .val small{font-size:15px;color:var(--ink-2);font-weight:600;margin-left:4px}
.stat-card h3{margin-top:8px;font-size:16px;font-weight:800}
.stat-card p{margin-top:6px;font-size:13.5px;color:var(--ink-3);line-height:1.8}

/* ============ CTA ============ */
.cta{
  position:relative;overflow:hidden;background:var(--deep);color:#fff;
  border-top:3px solid transparent;
  background-image:radial-gradient(620px 300px at 82% 12%,rgba(244,81,30,.22),transparent 68%),linear-gradient(#0F2E27,#0F2E27);
  border-image:var(--grad-brand) 1;
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:44px;align-items:center;padding:72px 0}
.cta h2{font-size:clamp(24px,2.5vw,32px);font-weight:800;line-height:1.34;color:#fff}
.cta p{margin-top:14px;color:rgba(255,255,255,.72);font-size:15.5px;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:var(--line-soft)}
.cta-actions .btn-ghost:hover{border-color:var(--brand-2);color:var(--brand-2)}
.cta-panel{
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:28px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel h3{font-size:17px;font-weight:800;color:#fff}
.cta-panel p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.7)}
.field{margin-top:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.8);margin-bottom:8px}
.field input{
  width:100%;height:46px;padding:0 15px;border-radius:var(--r-sm);
  border:1px solid var(--line-soft);background:rgba(255,255,255,.06);
  color:#fff;font-size:14.5px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(255,138,61,.18)}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.56)}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(244,81,30,.16);border:1px solid rgba(255,138,61,.4);
  color:#FFD5BC;font-size:13.5px;
}
.form-ok.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);color:rgba(255,255,255,.72);
  border-top:3px solid transparent;border-image:var(--grad-brand) 1;
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:38px}
.footer-col h3{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--brand-2)}
.footer-col p{font-size:13.5px;line-height:1.95;color:rgba(255,255,255,.66)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.55)}
.footer-brand .brand__mark{background-image:linear-gradient(var(--deep),var(--deep)),var(--grad-brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:var(--brand-2)}

/* 淡入 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .compare-fill{transition:none}
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-link{padding:9px 9px;font-size:14px}
  .search-box input{width:190px}
}
@media (max-width:1024px){
  :root{--sect:68px}
  .main-nav{display:none}
  .search-box{display:none}
  .menu-btn{display:grid}
  .media-block{grid-template-columns:1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .trouble-item{grid-template-columns:1fr;gap:10px}
  .trouble-time{text-align:left}
  .stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:768px){
  :root{--sect:52px}
  .header-inner{height:60px}
  .drawer{inset:60px 0 0 0}
  .brand__sub{display:none}
  .brand__main{font-size:15.5px}
  .hero--compact{padding:32px 0 40px}
  .matrix{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr}
  .step-row::before{display:none}
  .stat-grid{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr;gap:8px}
  .compare-value{text-align:left}
  .compare-wrap{padding:22px}
  .cta-panel{padding:22px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .badge{flex:0 0 auto}
  .hero__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}
@media print{
  .site-header,.drawer,.cta,.site-footer{display:none}
  body{background:#fff}
}

/* roulang page: category4 */
:root{
  --brand-1:#F4511E;
  --brand-2:#FF8A3D;
  --brand-3:#FFB020;
  --grad-brand:linear-gradient(96deg,#F4511E 0%,#FF8A3D 52%,#FFB020 100%);
  --accent:#12C2A0;
  --ink:#14201C;
  --ink-2:#5A6B65;
  --ink-3:#93A29C;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#F1EEE8;
  --line:#E4E0D9;
  --deep:#0F2E27;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,46,39,.05), 0 10px 28px -16px rgba(15,46,39,.16);
  --sh-2:0 20px 44px -20px rgba(244,81,30,.38);
  --sec:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3{font-weight:800;color:var(--ink);margin:0}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 24px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px -18px rgba(15,46,39,.28)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:72px}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  width:44px;height:44px;flex:none;
  display:grid;place-items:center;
  border-radius:14px;
  background:linear-gradient(140deg,rgba(244,81,30,.13),rgba(255,176,32,.2));
  border:1px solid rgba(244,81,30,.28);
}
.brand__mark svg{width:26px;height:26px;fill:none;stroke:var(--brand-1);stroke-width:2;stroke-linecap:round}
.brand__text{display:flex;flex-direction:column;min-width:0}
.brand__main{font-size:17px;font-weight:800;color:var(--ink);line-height:1.35;white-space:nowrap}
.brand__sub{font-size:11.5px;color:var(--ink-3);line-height:1.4;white-space:nowrap}

.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;
  padding:10px 12px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-1);background:rgba(244,81,30,.06)}
.nav-link.is-active{color:var(--brand-1)}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  border-radius:2px;background:var(--grad-brand);
}

.header-actions{display:flex;align-items:center;gap:12px}
.search-box input{
  width:240px;height:42px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--surface-2);
  padding:0 18px;
  font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{
  outline:none;background:#fff;
  border-color:var(--brand-1);
  box-shadow:0 0 0 4px rgba(244,81,30,.12);
}

.menu-btn{
  display:none;width:44px;height:44px;flex:none;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.menu-btn:hover{border-color:var(--brand-1)}
.menu-btn span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .2s ease}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .24s ease,top .24s ease;
}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}
body.menu-open .menu-btn span{background:transparent}
body.menu-open .menu-btn span::before{top:0;transform:rotate(45deg)}
body.menu-open .menu-btn span::after{top:0;transform:rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 26px -16px rgba(244,81,30,.75)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-light{background:#fff;color:var(--deep)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 18px 36px -20px rgba(0,0,0,.55)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.45;pointer-events:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-1);font-weight:700;font-size:15px}
.btn-link i{transition:transform .2s ease}
.btn-link:hover i{transform:translateX(3px)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(244,81,30,.08);
  border:1px solid rgba(244,81,30,.16);
  font-size:13.5px;color:var(--ink-2);line-height:1.4;
}
.badge b{font-size:16px;font-weight:800;color:var(--brand-1);font-variant-numeric:tabular-nums}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.badge--lg{padding:12px 20px;font-size:15px}
.badge--lg b{font-size:20px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;
  padding:52px 0 66px;
  background:
    radial-gradient(120% 92% at 88% -6%,rgba(244,81,30,.16),transparent 58%),
    radial-gradient(90% 70% at 4% 100%,rgba(18,194,160,.1),transparent 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center}
.crumbs{font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand-1)}
.crumbs span{color:var(--ink-3)}
.crumbs .current{color:var(--ink)}
.hero h1{font-size:clamp(30px,3.7vw,46px);line-height:1.24;margin-bottom:18px}
.hero-lead{font-size:17px;color:var(--ink-2);line-height:1.9;max-width:640px}
.hero .badge-row{margin:26px 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-media{
  position:relative;
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
  background:linear-gradient(140deg,rgba(244,81,30,.9),rgba(255,176,32,.9));
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,46,39,0) 45%,rgba(15,46,39,.45) 100%);
  pointer-events:none;
}
.float-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  box-shadow:0 18px 34px -20px rgba(15,46,39,.5);
  font-size:13.5px;color:var(--ink-2);
}
.float-badge b{color:var(--brand-1);font-weight:800;font-size:16px;font-variant-numeric:tabular-nums}

/* ============ 板块通用 ============ */
.section{padding:var(--sec) 0}
.section--tight{padding-top:62px}
.section--alt{background:var(--surface-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--brand-1);
  letter-spacing:.6px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:2px;background:var(--grad-brand)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,2.5vw,32px);line-height:1.3;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-2)}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .eyebrow{justify-content:center}

/* ============ 指标墙 ============ */
.stat-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.32)}
.stat-card::before{
  content:"";position:absolute;left:28px;top:0;width:52px;height:3px;border-radius:0 0 3px 3px;
  background:var(--grad-brand);
}
.stat-num{
  font-size:clamp(30px,3vw,40px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num span{
  font-size:15px;font-weight:600;margin-left:6px;
  -webkit-text-fill-color:var(--ink-2);color:var(--ink-2);
}
.stat-title{font-size:16px;font-weight:800;margin:12px 0 8px}
.stat-desc{font-size:14.5px;color:var(--ink-2);line-height:1.85}

/* ============ 图文块 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split + .split{margin-top:76px}
.split--reverse .split__media{order:2}
.split__media{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  aspect-ratio:16/11;
  background:linear-gradient(150deg,rgba(15,46,39,.92),rgba(244,81,30,.72));
}
.split__media img{width:100%;height:100%;object-fit:cover}
.split__body h2{font-size:clamp(23px,2.3vw,30px);line-height:1.32;margin-bottom:16px}
.split__body p{font-size:16px;color:var(--ink-2)}
.check-list{list-style:none;margin-top:22px;display:grid;gap:13px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.check-list li i{color:var(--accent);font-size:14px;margin-top:6px;flex:none}

/* ============ 功能清单 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature-item{
  display:flex;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(244,81,30,.3)}
.feature-icon{
  width:46px;height:46px;flex:none;
  display:grid;place-items:center;
  border-radius:13px;
  background:rgba(244,81,30,.09);
  color:var(--brand-1);font-size:18px;
}
.feature-item h3{font-size:17px;margin-bottom:6px}
.feature-item p{font-size:14.5px;color:var(--ink-2);line-height:1.82}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item.is-open{border-color:var(--brand-1);box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-icon{
  width:30px;height:30px;flex:none;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(244,81,30,.09);color:var(--brand-1);font-size:13px;
  transition:transform .24s ease,background .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(244,81,30,.16)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 24px 22px;font-size:14.8px;color:var(--ink-2);line-height:1.9}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 var(--sec)}
.cta{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--deep);
  color:#fff;
  padding:56px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
}
.cta::before{
  content:"";position:absolute;right:-140px;top:-180px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(244,81,30,.34),transparent 62%);
  pointer-events:none;
}
.cta::after{
  content:"";position:absolute;left:-120px;bottom:-200px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(255,176,32,.16),transparent 64%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2}
.cta h2{color:#fff;font-size:clamp(24px,2.4vw,32px);line-height:1.3;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.9;max-width:560px}
.cta-form{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.cta-field{flex:1 1 220px;display:flex;flex-direction:column;gap:8px}
.cta-field label{font-size:13px;color:rgba(255,255,255,.7)}
.cta-field input{
  height:48px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-field input::placeholder{color:rgba(255,255,255,.5)}
.cta-field input:focus{outline:none;border-color:var(--brand-2);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(244,81,30,.22)}
.form-note{
  position:relative;z-index:2;margin-top:16px;font-size:14px;color:#FFD9A8;
  display:none;
}
.form-note.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand__main{color:#fff}
.footer-brand .brand__sub{color:rgba(255,255,255,.55)}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:800}
.footer-col p{font-size:14px;line-height:1.9}
.footer-col a{
  display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.72);
  transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:var(--brand-2);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--brand-2)}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec:70px}
  .stat-wall{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta{padding:46px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{aspect-ratio:16/9}
  .split{gap:34px}
  .search-box input{width:200px}
}
@media (max-width:900px){
  .main-nav{display:none}
  .menu-btn{display:flex}
  .search-box,.header-actions .btn-sm{display:none}
  .header-inner{height:60px}

  body.menu-open{overflow:hidden}
  body.menu-open .main-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:fixed;left:0;right:0;top:60px;bottom:0;
    padding:22px 20px 150px;
    background:#fff;overflow-y:auto;z-index:60;
  }
  body.menu-open .nav-link{
    font-size:16px;padding:14px 16px;border-radius:14px;background:var(--surface-2);
  }
  body.menu-open .nav-link.is-active{background:rgba(244,81,30,.1)}
  body.menu-open .nav-link.is-active::after{display:none}
  body.menu-open .search-box{
    display:block;position:fixed;left:20px;right:20px;bottom:96px;z-index:61;
  }
  body.menu-open .search-box input{width:100%;height:46px;background:#fff}
  body.menu-open .header-actions .btn-sm{
    display:inline-flex;position:fixed;left:20px;right:20px;bottom:28px;z-index:61;
    min-height:52px;font-size:16px;
  }
}
@media (max-width:768px){
  :root{--sec:52px}
  .section--tight{padding-top:40px}
  .split{grid-template-columns:1fr}
  .split + .split{margin-top:52px}
  .split__media{order:-1;aspect-ratio:16/10}
  .split--reverse .split__media{order:-1}
  .feature-grid{grid-template-columns:1fr}
  .cta{grid-template-columns:1fr;padding:34px 24px;gap:26px}
  .cta-wrap{padding-bottom:52px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .hero{padding:38px 0 46px}
  .hero-media{aspect-ratio:16/10}
  .float-badge{left:14px;bottom:14px;padding:9px 15px;font-size:13px}
}
@media (max-width:520px){
  .stat-wall{grid-template-columns:1fr}
  .brand__sub{display:none}
  .brand__main{font-size:15.5px}
  .hero h1{font-size:28px}
  .hero-lead{font-size:15.5px}
  .badge{width:100%;justify-content:flex-start}
  .hero-actions .btn{width:100%}
  .stat-card{padding:22px}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
}

/* 打印 */
@media print{
  .site-header,.cta,.menu-btn{display:none !important}
  body{background:#fff}
  .section{padding:24px 0}
}