/* roulang page: index */
:root{
  --brand:#FF5B2E;
  --brand-2:#FF8A3D;
  --brand-deep:#FF4D2D;
  --cyan:#12C2A0;
  --yellow:#FFC53D;
  --ink:#14161A;
  --text:#3A3F45;
  --muted:#6E747C;
  --bg:#FBF8F4;
  --bg-alt:#F6F1EA;
  --card:#FFFFFF;
  --line:#ECE6DE;
  --grad:linear-gradient(120deg,#FF4D2D 0%,#FF8A3D 42%,#12C2A0 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,77,45,.10) 0%,rgba(255,138,61,.10) 45%,rgba(18,194,160,.12) 100%);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(20,22,26,.06);
  --sh-hover:0 18px 48px rgba(255,91,46,.12);
  --sh-nav:0 2px 16px rgba(20,22,26,.05);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease;}
a:hover{color:var(--brand);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;color:var(--ink);}
h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;font-weight:700;color:var(--ink);}
h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section.alt{background:var(--bg-alt);}
.section.white{background:var(--card);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand);font-weight:600;margin-bottom:10px;}
.section-head .kicker i{width:8px;height:8px;border-radius:50%;background:var(--grad);display:inline-block;}
.section-head p.lead{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;border-bottom:2px solid transparent;}
.link-more:hover{border-bottom-color:var(--brand);}

/* ---------- Buttons / tags / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,background-position .28s ease;white-space:nowrap;}
.btn-primary{color:#fff;background-image:var(--grad);background-size:180% 100%;background-position:0 0;box-shadow:0 10px 24px rgba(255,91,46,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 34px rgba(255,91,46,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{color:var(--brand);background:#fff;border:1px solid var(--brand);}
.btn-ghost:hover{background:rgba(255,91,46,.08);transform:translateY(-2px);color:var(--brand);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(255,91,46,.10);color:var(--brand);font-size:12.5px;font-weight:600;}
.tag.cyan{background:rgba(18,194,160,.12);color:#0E9D82;}
.tag.yellow{background:rgba(255,197,61,.18);color:#A87400;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:var(--sh-nav);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:38px;height:38px;flex-shrink:0;}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px;line-height:1.1;display:flex;flex-direction:column;}
.logo-text small{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:1.5px;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--text);border-radius:10px;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-link:hover{color:var(--brand);background:rgba(255,91,46,.06);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.cmd-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 8px 0 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg);min-width:250px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;}
.cmd-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0;}
.cmd-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text);}
.cmd-search input::placeholder{color:#9AA0A6;}
.cmd-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.10);}
.kbd{flex-shrink:0;height:26px;padding:0 9px;border-radius:8px;border:1px solid var(--line);background:#fff;font-size:12px;color:var(--muted);display:inline-flex;align-items:center;font-weight:600;}
.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;color:var(--text);transition:border-color .18s ease,color .18s ease,transform .18s ease;}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* ---------- Drawer / search layer ---------- */
.drawer,.search-layer{position:fixed;inset:0;z-index:90;background:#fff;display:none;flex-direction:column;padding:20px 24px 32px;}
.drawer.open,.search-layer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.close-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{padding:16px 6px;font-size:22px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--brand);}
.drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-cta .btn{width:100%;}
.search-layer input{height:56px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 18px;font-size:17px;outline:none;background:var(--bg);}
.search-layer input:focus{border-color:var(--brand);background:#fff;}
.search-hint{margin-top:16px;color:var(--muted);font-size:14px;}
.search-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.search-tags a{padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);font-size:14px;}
.search-tags a:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(180deg,#fff 0%,var(--bg) 62%);padding:64px 0 72px;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;background:var(--grad);opacity:.10;filter:blur(10px);pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;}
.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:22px;}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(18,194,160,.18);}
.hero h1{margin-bottom:18px;}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:14px;max-width:520px;}
.hero-desc{font-size:16px;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;padding-top:24px;border-top:1px dashed var(--line);}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text);max-width:250px;}
.hero-points li i{width:20px;height:20px;border-radius:50%;background:rgba(18,194,160,.14);color:#0E9D82;font-size:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:5px;font-style:normal;font-weight:700;}
.hero-visual{position:relative;}
.hero-visual .frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 24px 60px rgba(20,22,26,.14);aspect-ratio:4/3;background:#14161A;}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-visual .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,77,45,.06) 0%,rgba(18,194,160,.16) 100%);}
.float-badge{position:absolute;display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:0 16px 40px rgba(20,22,26,.12);}
.float-badge b{font-size:26px;font-weight:800;color:var(--brand);line-height:1;}
.float-badge span{font-size:12.5px;color:var(--muted);line-height:1.5;max-width:110px;}
.float-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(18,194,160,.16);}
.badge-a{left:-18px;bottom:56px;}
.badge-b{right:-14px;top:34px;}

/* ---------- Stats strip ---------- */
.stats-strip{padding:0 0 8px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat{display:flex;align-items:center;gap:14px;padding:20px 22px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);transition:transform .18s ease,box-shadow .18s ease;}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.stat .val{font-size:clamp(26px,3vw,40px);font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat .val small{font-size:14px;font-weight:700;margin-left:2px;}
.stat .txt{font-size:13.5px;color:var(--muted);line-height:1.5;}

/* ---------- Story ---------- */
.story-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.story-grid.reverse .story-media{order:-1;}
.story-copy p{font-size:16px;color:var(--text);}
.story-copy p + p{margin-top:16px;}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.point-list li{display:flex;gap:14px;padding:16px 18px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);}
.point-list .num{width:34px;height:34px;flex-shrink:0;border-radius:12px;background:var(--grad-soft);color:var(--brand);font-weight:800;display:inline-flex;align-items:center;justify-content:center;font-size:14px;}
.point-list h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.point-list p{font-size:14px;color:var(--muted);}
.story-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 50px rgba(20,22,26,.12);aspect-ratio:5/4;background:#EFE9E1;}
.story-media img{width:100%;height:100%;object-fit:cover;}
.story-media .cap{position:absolute;left:20px;right:20px;bottom:20px;padding:14px 18px;border-radius:16px;background:rgba(20,22,26,.72);color:#fff;font-size:13.5px;line-height:1.6;backdrop-filter:blur(6px);}

/* ---------- Featured grid ---------- */
.featured-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:var(--gap);}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFE9E1;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-title:hover{color:var(--brand);}
.card-text{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px solid var(--line);}
.card-meta .arrow{color:var(--brand);font-weight:700;transition:transform .2s ease;}
.card:hover .card-meta .arrow{transform:translateX(4px);}
.card-lg{grid-row:span 2;border-radius:var(--r-lg);}
.card-lg .card-cover{aspect-ratio:16/11;}
.card-lg .card-title{font-size:22px;}
.card-lg .card-text{-webkit-line-clamp:3;font-size:15px;}
.card-sm{border-radius:var(--r-md);}

/* ---------- Trust ---------- */
.trust-band{padding:56px 0;background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-band .label{text-align:center;font-size:14px;color:var(--muted);margin-bottom:24px;}
.logo-strip{display:flex;gap:16px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin;}
.logo-strip::-webkit-scrollbar{height:6px;}
.logo-strip::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px;}
.logo-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:#8B9098;filter:grayscale(1);transition:filter .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;}
.logo-chip i{width:10px;height:10px;border-radius:50%;background:var(--brand);opacity:.6;}
.logo-chip:nth-child(2n) i{background:var(--cyan);}
.logo-chip:nth-child(3n) i{background:var(--yellow);}
.logo-chip:hover{filter:grayscale(0);color:var(--ink);transform:translateY(-3px);box-shadow:var(--sh-card);}
.trust-note{text-align:center;margin-top:24px;font-size:14.5px;color:var(--text);}

/* ---------- News list (CMS) ---------- */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.news-item{display:grid;grid-template-columns:190px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFE9E1;display:block;height:100%;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-item:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:18px 20px 18px 0;display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-body h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--muted);}
.news-link{color:var(--brand);font-weight:600;}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;}
.empty-state .ico{width:64px;height:64px;border-radius:20px;background:var(--grad-soft);display:inline-flex;align-items:center;justify-content:center;font-size:26px;}
.empty-state p{font-size:15px;color:var(--muted);}
.empty-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}
.empty-links a{padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg);font-size:14px;}
.empty-links a:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-card);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item.open{box-shadow:var(--sh-hover);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);}
.faq-q .sign{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:var(--grad-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;transition:transform .2s ease;}
.faq-item.open .faq-q .sign{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a .inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- CTA ---------- */
.cta-section{padding:72px 0 80px;background:var(--bg);}
.cta-band{position:relative;border-radius:var(--r-lg);background-image:var(--grad);overflow:hidden;padding:52px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;box-shadow:0 24px 60px rgba(255,91,46,.22);}
.cta-band::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.16);}
.cta-band h2{color:#fff;position:relative;}
.cta-band p{color:rgba(255,255,255,.9);margin-top:12px;font-size:15.5px;position:relative;}
.cta-form{position:relative;background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:0 18px 46px rgba(20,22,26,.16);}
.cta-form label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.field{display:flex;gap:10px;}
.field input{flex:1;height:48px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--bg);outline:none;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;min-width:0;}
.field input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.10);}
.field input.error{border-color:#E23B2E;box-shadow:0 0 0 4px rgba(226,59,46,.10);}
.form-msg{font-size:13px;color:#E23B2E;margin-top:8px;display:none;}
.form-msg.show{display:block;}
.form-ok{font-size:13.5px;color:#0E9D82;margin-top:8px;display:none;}
.form-ok.show{display:block;}
.footnote{grid-column:1 / -1;color:rgba(255,255,255,.86);font-size:13.5px;position:relative;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#C9CDD3;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:34px;height:34px;}
.footer-brand span{font-size:17px;font-weight:800;color:#fff;line-height:1.2;}
.footer-brand span small{display:block;font-size:11px;font-weight:600;color:#8B9098;letter-spacing:1.4px;}
.footer-col p{font-size:14px;color:#9AA0A6;line-height:1.8;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--brand-2);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:#C9CDD3;}
.footer-col ul a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand);text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#8B9098;}
.footer-bottom a{color:#C9CDD3;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav-wrap{gap:18px;}
  .cmd-search{min-width:190px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .cmd-search{display:none;}
  .icon-btn{display:none;}
  .burger{display:inline-flex;}
  .nav-tools .btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding:44px 0 56px;}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .story-grid.reverse .story-media{order:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .featured-grid{grid-template-columns:1fr 1fr;}
  .card-lg{grid-column:span 2;grid-row:auto;}
  .news-list{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:38px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:64px 0;}
  .badge-a{left:10px;bottom:16px;}
  .badge-b{right:10px;top:16px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .hero-points{gap:14px;flex-direction:column;}
  .featured-grid{grid-template-columns:1fr;}
  .card-lg{grid-column:span 1;}
  .news-item{grid-template-columns:1fr;}
  .news-thumb{aspect-ratio:16/9;}
  .news-body{padding:0 18px 18px;}
  .float-badge{padding:10px 14px;gap:8px;}
  .float-badge b{font-size:20px;}
  .float-badge span{font-size:11.5px;max-width:90px;}
  .cta-form{padding:20px;}
  .field{flex-direction:column;}
  .field input,.field .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:559px){
  h1{font-size:28px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:14px 16px;border-radius:22px;gap:10px;}
  .stat .txt{font-size:12.5px;}
  .hero-actions .btn{width:100%;}
  .logo-text{font-size:16px;}
}

/* roulang page: article */
:root{
  --brand:#FF5B2E;
  --brand-2:#12C2A0;
  --accent:#FFC53D;
  --ink:#14161A;
  --text:#3A3F45;
  --muted:#6E747C;
  --bg:#FBF8F4;
  --bg-alt:#F6F1EA;
  --surface:#FFFFFF;
  --border:#ECE6DE;
  --grad:linear-gradient(120deg,#FF4D2D 0%,#FF8A3D 42%,#12C2A0 100%);
  --grad-hover:linear-gradient(120deg,#12C2A0 0%,#FF8A3D 55%,#FF4D2D 100%);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 18px 48px rgba(255,91,46,.12);
  --sh-nav:0 2px 16px rgba(20,22,26,.05);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--sh-nav);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 28px rgba(20,22,26,.10)}
.nav-wrap{display:flex;align-items:center;gap:22px;height:70px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{width:40px;height:40px;display:block}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:0}
.logo-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1px;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,91,46,.07)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 10px 0 12px;min-width:250px;
  background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cmd-search svg{width:17px;height:17px;color:var(--muted);flex-shrink:0}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.cmd-search input::placeholder{color:#A5A9AF}
.cmd-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.10)}
.cmd-search .kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--border);
  background:#fff;border-radius:8px;padding:2px 7px;line-height:1.8;flex-shrink:0;
}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:var(--r-pill);background:#fff;color:var(--ink);
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px)}
.burger{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--r-pill);background:#fff;align-items:center;justify-content:center;flex-shrink:0}
.burger span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .2s ease}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.open span{background:transparent}
.burger.open span::before{transform:translateY(6px) rotate(45deg)}
.burger.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,91,46,.24)}
.btn-primary:hover{background:var(--grad-hover);transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,91,46,.32);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--brand);border:1px solid rgba(255,91,46,.45)}
.btn-ghost:hover{background:rgba(255,91,46,.08);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
}
.btn-link:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:56px 0 64px;
  background-image:linear-gradient(100deg,rgba(251,248,244,.97) 0%,rgba(251,248,244,.90) 46%,rgba(251,248,244,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);opacity:.85;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--muted);transition:color .18s ease}
.crumbs a:hover{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.crumbs .sep{color:#C9C2B8}
.crumbs .crumb-current{
  max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);
}
.article-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,91,46,.10);color:var(--brand);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.article-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.article-title{
  font-size:clamp(28px,4vw,46px);
  font-weight:800;line-height:1.2;
  letter-spacing:-.4px;max-width:22ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.article-meta .chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);color:var(--text);font-weight:500;
}
.article-meta .chip svg{width:15px;height:15px;color:var(--brand)}
.article-lead{
  margin-top:20px;max-width:70ch;
  font-size:16.5px;color:var(--text);line-height:1.85;
}

/* ============ 正文 ============ */
.article-main{padding:72px 0 24px;background:var(--bg)}
.article-shell{max-width:820px;margin:0 auto}
.article-body{
  font-size:17px;line-height:1.9;color:var(--text);
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:52px 56px;
  box-shadow:var(--sh-1);
}
.article-body > * + *{margin-top:1.4em}
.article-body p{font-size:17px;line-height:1.9;color:var(--text)}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.2vw,27px);font-weight:700;
  padding-left:16px;margin-top:2.2em;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--brand);
}
.article-body h3{font-size:20px;font-weight:600;margin-top:1.8em;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin-top:1.6em;color:var(--ink)}
.article-body a{color:var(--brand);font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:4px}
.article-body a:hover{color:#E64518}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{padding-left:1.4em}
.article-body ul{list-style:none}
.article-body ul > li{position:relative;padding-left:18px;margin-top:.6em}
.article-body ul > li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.article-body ol{list-style:decimal}
.article-body ol > li{margin-top:.6em;padding-left:6px}
.article-body ol > li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:2em 0;padding:22px 26px;
  background:var(--bg-alt);
  border-left:5px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--ink);font-size:16.5px;
}
.article-body blockquote p{font-size:16.5px;color:var(--ink);margin:0}
.article-body img{
  width:100%;height:auto;border-radius:16px;margin:2em auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:2em 0}
.article-body figure img{margin:0}
.article-body figcaption{
  margin-top:12px;text-align:center;font-size:14px;color:var(--muted);
}
.article-body pre{
  background:var(--ink);color:#F4F1EC;
  padding:22px 24px;border-radius:16px;overflow-x:auto;
  font-size:14px;line-height:1.75;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body code{
  background:rgba(255,91,46,.10);color:#C33F16;
  padding:3px 7px;border-radius:7px;font-size:14.5px;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--border);border-radius:16px;overflow:hidden;
  font-size:15px;margin:2em 0;
}
.article-body thead th{
  background:var(--bg-alt);color:var(--ink);font-weight:700;text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--border);
}
.article-body tbody td{
  padding:14px 18px;border-bottom:1px solid #F3EDE5;color:var(--text);
}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body tbody tr:hover{background:#FDFAF6}
.article-body hr{border:0;height:1px;background:var(--border);margin:2.4em 0}

/* 空态 */
.article-empty{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:64px 48px;text-align:center;box-shadow:var(--sh-1);
}
.article-empty .empty-icon{
  width:64px;height:64px;margin:0 auto 22px;border-radius:22px;
  background:var(--grad);display:flex;align-items:center;justify-content:center;
}
.article-empty .empty-icon svg{width:30px;height:30px;color:#fff}
.article-empty h2{font-size:24px;font-weight:800;margin-bottom:12px}
.article-empty p{max-width:52ch;margin:0 auto 26px;color:var(--muted)}

/* ============ 阅读提示条 ============ */
.reading-strip{
  max-width:820px;margin:28px auto 0;
  display:flex;flex-wrap:wrap;gap:14px;
}
.reading-strip .strip-item{
  flex:1 1 200px;
  display:flex;align-items:center;gap:12px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh-1);
}
.reading-strip .dot{
  width:34px;height:34px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(18,194,160,.12);color:var(--brand-2);
}
.reading-strip .dot svg{width:17px;height:17px}
.reading-strip .strip-item strong{display:block;font-size:14px;color:var(--ink);font-weight:700}
.reading-strip .strip-item span{font-size:13px;color:var(--muted)}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:700}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:60ch}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,91,46,.28)}
.rel-cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-cover img{transform:scale(1.03)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body .tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--brand);
  background:rgba(255,91,46,.10);border-radius:var(--r-pill);padding:4px 12px;
}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5}
.rel-card:hover .rel-body h3{color:var(--brand)}
.rel-body p{font-size:14px;color:var(--muted);line-height:1.75}
.rel-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:8px;
}
.rel-foot .arrow{color:var(--brand);font-weight:700}

/* ============ 返回入口 ============ */
.back-actions{
  margin-top:44px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center;
}

/* ============ CTA ============ */
.cta-band{padding:0 0 88px}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--grad);
  padding:56px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  box-shadow:0 24px 60px rgba(255,91,46,.22);
}
.cta-card::before{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-card::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:rgba(20,22,26,.10);
}
.cta-copy{position:relative;z-index:1;color:#fff}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.25}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.92);max-width:46ch}
.cta-form{
  position:relative;z-index:1;
  background:#fff;border-radius:var(--r-md);padding:24px;box-shadow:0 14px 36px rgba(20,22,26,.14);
}
.cta-form label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:8px}
.cta-form .field{display:flex;gap:10px}
.cta-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;
  border:1px solid var(--border);border-radius:var(--r-sm);
  background:var(--bg);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-form input::placeholder{color:#A5A9AF}
.cta-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.12)}
.cta-form .hint{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9BEC4;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:38px;height:38px}
.footer-brand span{display:flex;flex-direction:column;color:#fff;font-size:16px;font-weight:800}
.footer-brand span small{font-size:11px;font-weight:500;color:#8B9199;letter-spacing:1px}
.footer-col p{font-size:14px;line-height:1.85;color:#9AA0A8;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:700;color:var(--brand);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li{font-size:14px;color:#9AA0A8}
.footer-col ul li a{color:#9AA0A8;font-size:14px;transition:color .18s ease}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid #262A31;
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E848C;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .cmd-search{min-width:200px}
  .article-body{padding:44px 40px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .cmd-search{display:none}
  .icon-btn{display:none}
  .burger{display:inline-flex}
  .main-nav{
    position:fixed;inset:70px 0 0 0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:28px 24px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
    z-index:70;overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{font-size:20px;font-weight:700;padding:16px 14px;border-radius:var(--r-sm)}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(255,91,46,.08)}
  .nav-wrap{height:70px}
  .article-hero{padding:44px 0 52px}
  .article-body{padding:36px 28px;font-size:16.5px}
  .article-body p{font-size:16.5px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .article-hero{padding:36px 0 44px}
  .article-title{max-width:none}
  .crumbs .crumb-current{max-width:20ch}
  .article-body{padding:28px 20px;border-radius:var(--r-md)}
  .article-body{border-radius:var(--r-md)}
  .article-body pre{padding:18px;font-size:13px}
  .related-grid{grid-template-columns:1fr}
  .cta-card{padding:32px 22px;border-radius:var(--r-md)}
  .cta-form .field{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .back-actions .btn{width:100%}
}
@media (max-width:559px){
  body{font-size:15.5px}
  .logo-text{font-size:15px}
  .article-body{font-size:16px;line-height:1.85;padding:24px 16px}
  .article-body p{font-size:16px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .reading-strip .strip-item{padding:14px}
}

/* roulang page: category1 */
:root{
  --brand:#FF5B2E;
  --brand-2:#FF8A3D;
  --brand-3:#12C2A0;
  --accent:#FFC53D;
  --ink:#14161A;
  --ink-2:#1F2229;
  --text:#3A3F45;
  --muted:#6E747C;
  --bg:#FBF8F4;
  --bg-alt:#F6F1EA;
  --white:#FFFFFF;
  --line:#ECE6DE;
  --grad:linear-gradient(120deg,#FF4D2D 0%,#FF8A3D 42%,#12C2A0 100%);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(20,22,26,.06);
  --sh-hover:0 18px 48px rgba(255,91,46,.12);
  --sh-nav:0 2px 16px rgba(20,22,26,.05);
  --maxw:1200px;
  --sp-sec:88px;
  --font:"Inter","PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-sec) 0}
.section--alt{background:var(--white)}
.section--tint{background:var(--bg-alt)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,2.8vw,34px);letter-spacing:-.01em;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(255,91,46,.08);border:1px solid rgba(255,91,46,.18);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-nav)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo svg{width:36px;height:36px;flex:0 0 36px}
.logo-text{font-size:17px;font-weight:800;color:var(--ink);line-height:1.1;display:flex;flex-direction:column}
.logo-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:8px 12px;border-radius:10px;
}
.nav-link:hover{color:var(--brand);background:rgba(255,91,46,.06)}
.nav-link.active{color:var(--brand);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:266px;height:40px;padding:0 10px 0 12px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cmd-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.10)}
.cmd-search svg{width:16px;height:16px;color:var(--muted);flex:0 0 16px}
.cmd-search input{
  border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink);
}
.cmd-search input::placeholder{color:#9AA0A6}
.kbd{
  font-size:11px;color:var(--muted);border:1px solid var(--line);background:#fff;
  border-radius:7px;padding:2px 6px;flex:0 0 auto;
}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text);flex:0 0 40px;
  transition:all .18s ease;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,91,46,.35);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,91,46,.22)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,91,46,.30);background:linear-gradient(160deg,#FF4D2D 0%,#FF8A3D 46%,#12C2A0 100%)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid rgba(255,91,46,.45)}
.btn-ghost:hover{background:rgba(255,91,46,.08);color:var(--brand);transform:translateY(-2px)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:13px;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease;
}
.burger span{top:21px}
.burger span::before{content:"";top:-6px;left:0}
.burger span::after{content:"";top:6px;left:0}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;inset:68px 0 0 0;background:rgba(251,248,244,.98);
  z-index:55;padding:28px 24px;overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;font-size:20px;font-weight:700;color:var(--ink);padding:16px 0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand)}
.mobile-drawer .btn{width:100%;margin-top:24px}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li::after{content:"/";margin-left:8px;color:#C9C2B8}
.crumb li:last-child::after{content:""}
.crumb a:hover{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* ---------- Hero ---------- */
.cat-hero{padding:36px 0 72px}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.cat-hero h1{font-size:clamp(30px,4.6vw,50px);font-weight:800;letter-spacing:-.02em;margin-bottom:18px}
.cat-hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{font-size:17px;color:var(--text);margin-bottom:16px}
.cat-hero .lead-sub{font-size:15px;color:var(--muted);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px}
.hero-note{font-size:13px;color:var(--muted)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 24px 60px rgba(20,22,26,.14);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(200deg,rgba(255,91,46,.16) 0%,rgba(18,194,160,.14) 100%);
  pointer-events:none;
}
.float-badge{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-card);padding:12px 16px;display:flex;align-items:center;gap:10px;
}
.float-badge .dot{width:10px;height:10px;border-radius:50%;background:var(--grad);flex:0 0 10px}
.float-badge strong{font-size:20px;font-weight:800;color:var(--ink)}
.float-badge span{font-size:12px;color:var(--muted)}
.fb-a{left:-20px;bottom:56px}
.fb-b{right:-14px;top:36px}

/* ---------- 徽章条 ---------- */
.badge-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px;
}
.stat-badge{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:14px 20px;box-shadow:var(--sh-card);
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat-badge:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.stat-badge .num{font-size:clamp(24px,2.6vw,34px);font-weight:800;color:var(--brand);line-height:1}
.stat-badge .num em{font-size:13px;font-style:normal;font-weight:600;color:var(--muted);margin-left:3px}
.stat-badge .txt{font-size:13px;color:var(--muted);line-height:1.4}

/* ---------- 图文交替 ---------- */
.zigzag{display:flex;flex-direction:column;gap:72px}
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zig-row.flip .zig-media{order:2}
.zig-media{position:relative}
.zig-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 18px 44px rgba(20,22,26,.10);
  transition:transform .25s ease;
}
.zig-media:hover img{transform:translateY(-4px)}
.zig-tag{
  position:absolute;left:18px;top:18px;background:#fff;color:var(--brand);
  font-size:12px;font-weight:700;padding:6px 14px;border-radius:var(--r-pill);
  box-shadow:var(--sh-card);
}
.zig-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:700;margin-bottom:14px}
.zig-body p{color:var(--text);margin-bottom:14px}
.zig-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.zig-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.zig-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--grad);margin-top:9px;
}
.zig-index{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:12px;background:rgba(255,91,46,.09);color:var(--brand);
  font-weight:800;font-size:15px;margin-bottom:14px;
}

/* ---------- 核对清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,91,46,.28)}
.check-card .ico{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  display:grid;place-items:center;color:#fff;margin-bottom:16px;font-weight:800;
}
.check-card h3{font-size:18px;margin-bottom:10px}
.check-card p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-q .plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:rgba(255,91,46,.10);
  color:var(--brand);display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:transform .2s ease,background .2s ease;position:relative;
}
.faq-item.open .faq-q .plus{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);max-width:760px}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-card);transition:transform .18s ease,box-shadow .18s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);color:inherit}
.rel-card .rel-tag{font-size:12px;font-weight:700;color:var(--brand);background:rgba(255,91,46,.08);padding:5px 12px;border-radius:var(--r-pill);display:inline-block;margin-bottom:14px}
.rel-card h3{font-size:18px;margin-bottom:8px}
.rel-card p{font-size:14px;color:var(--muted)}
.rel-card .arrow{margin-top:14px;font-size:13px;font-weight:700;color:var(--brand);display:inline-block}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sp-sec)}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad);color:#fff;padding:56px 52px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:0 26px 64px rgba(255,91,46,.24);
}
.cta-box::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-box h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.cta-box p{color:rgba(255,255,255,.92);font-size:15px;position:relative;z-index:2}
.sub-form{position:relative;z-index:2;background:#fff;border-radius:var(--r-md);padding:22px;display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 200px;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 16px;outline:none;font-size:15px;color:var(--ink);background:var(--bg);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.sub-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.12)}
.sub-form input.error{border-color:#E03B3B;box-shadow:0 0 0 4px rgba(224,59,59,.10)}
.sub-form .btn{flex:0 0 auto}
.cta-tip{grid-column:1/-1;font-size:13px;color:rgba(255,255,255,.86);position:relative;z-index:2}
.form-msg{width:100%;font-size:13px;color:#E03B3B;display:none}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9BEC6;padding:72px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand svg{width:38px;height:38px}
.footer-brand span{display:flex;flex-direction:column;font-size:17px;font-weight:800;color:#fff;line-height:1.1}
.footer-brand small{font-size:11px;font-weight:500;color:#8B9199;margin-top:3px}
.footer-col p{font-size:14px;line-height:1.8;color:#9BA1A9}
.footer-col h4{font-size:14px;color:var(--brand-2);margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:#9BA1A9}
.footer-col a{font-size:14px;color:#9BA1A9}
.footer-col a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8B9199;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .cmd-search{width:210px}
  .cat-hero-grid{gap:40px}
}
@media (max-width:991px){
  :root{--sp-sec:64px}
  .main-nav{display:none}
  .cmd-search{display:none}
  .burger{display:block}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero{padding:24px 0 56px}
  .fb-a{left:12px;bottom:16px}
  .fb-b{right:12px;top:16px}
  .badge-row{grid-template-columns:repeat(2,1fr)}
  .zig-row{grid-template-columns:1fr;gap:26px}
  .zig-row.flip .zig-media{order:0}
  .checklist{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .nav-tools .btn-sm{display:none}
  .zigzag{gap:52px}
  .checklist{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .float-badge{padding:9px 12px;border-radius:14px}
  .float-badge strong{font-size:16px}
}
@media (max-width:559px){
  .container{padding:0 16px}
  :root{--sp-sec:52px}
  .badge-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-box{padding:32px 20px}
  .sub-form{padding:16px}
  .faq-q{font-size:16px;padding:18px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5B2E;
  --brand-2:#12C2A0;
  --accent:#FFC53D;
  --ink:#14161A;
  --ink-2:#1F2229;
  --text:#3A3F45;
  --muted:#6E747C;
  --bg:#FBF8F4;
  --surface:#FFFFFF;
  --surface-2:#F6F1EA;
  --line:#ECE6DE;
  --grad:linear-gradient(120deg,#FF4D2D 0%,#FF8A3D 42%,#12C2A0 100%);
  --grad-soft:linear-gradient(120deg,rgba(255,77,45,.12) 0%,rgba(18,194,160,.12) 100%);
  --r-sm:12px;
  --r-card:20px;
  --r-lg:28px;
  --r-img:16px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(20,22,26,.06);
  --sh-hover:0 18px 48px rgba(255,91,46,.12);
  --sh-nav:0 2px 16px rgba(20,22,26,.05);
  --sp-section:88px;
  --maxw:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Inter","PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.band-white{background:var(--surface);}
.band-warm{background:var(--surface-2);}
.band-dark{background:var(--ink);color:#E7E4E0;}
.band-dark h2,.band-dark h3,.band-dark h1{color:#FFFFFF;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);background:#fff;}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo svg{width:38px;height:38px;}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:17px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  line-height:1.1;
}
.logo-text small{
  font-size:11px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:1px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:12px;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--brand);background:rgba(255,91,46,.07);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 8px 0 12px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--surface-2);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cmd-search:focus-within{
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(255,91,46,.12);
}
.cmd-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0;}
.cmd-search input{
  width:180px;
  height:100%;
  border:0;
  background:transparent;
  color:var(--ink);
  font-size:14px;
  outline:none;
}
.cmd-search input::placeholder{color:#9AA0A6;}
.kbd{
  font-size:11px;
  font-weight:700;
  color:var(--muted);
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
  line-height:1.4;
}
.icon-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--text);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.burger{
  display:none;
  width:40px;
  height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  position:relative;
}
.burger span,
.burger::before,
.burger::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform var(--ease),opacity var(--ease);
}
.burger::before{top:14px;}
.burger span{top:19px;}
.burger::after{top:24px;}
.burger[aria-expanded="true"]::before{transform:translateY(5px) rotate(45deg);}
.burger[aria-expanded="true"] span{opacity:0;}
.burger[aria-expanded="true"]::after{transform:translateY(-5px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:68px 0 0 0;
  z-index:70;
  background:var(--bg);
  padding:24px;
  display:none;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex;}
.mobile-drawer a{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand);}
.mobile-drawer .btn{margin-top:20px;width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  color:#fff;
  background-image:var(--grad);
  background-size:180% 180%;
  background-position:0% 50%;
  box-shadow:0 10px 24px rgba(255,91,46,.25);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(255,91,46,.34);
  background-position:100% 50%;
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  color:var(--brand);
  background:#fff;
  border:1.5px solid rgba(255,91,46,.5);
}
.btn-ghost:hover{
  color:var(--brand);
  background:rgba(255,91,46,.08);
  transform:translateY(-2px);
}
.btn-light{
  color:var(--ink);
  background:#fff;
  border:1px solid rgba(255,255,255,.6);
}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);}

/* ============ 面包屑 ============ */
.breadcrumb{
  padding-top:24px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.breadcrumb .sep{color:#C9C2B8;}

/* ============ Hero ============ */
.hero{
  padding:56px 0 72px;
  background:
    radial-gradient(760px 420px at 88% 6%,rgba(18,194,160,.14),transparent 62%),
    radial-gradient(680px 400px at 6% 96%,rgba(255,91,46,.13),transparent 60%),
    var(--bg);
}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  box-shadow:var(--sh-card);
}
.eyebrow i{
  width:8px;height:8px;border-radius:50%;
  background:var(--grad);
  display:block;
}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
}
.grad-text{
  background-image:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:20px;
  font-size:18px;
  font-weight:600;
  color:var(--ink);
  max-width:22em;
}
.hero-lead{
  margin-top:12px;
  font-size:16px;
  color:var(--text);
  max-width:34em;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-meta{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
}
.chip::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand-2);
}
.hero-visual{position:relative;}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:0 24px 60px rgba(20,22,26,.14);
  aspect-ratio:4/3;
  background:var(--surface-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(140deg,rgba(20,22,26,.34) 0%,rgba(20,22,26,.05) 55%,rgba(255,91,46,.22) 100%);
}
.float-badge{
  position:absolute;
  background:#fff;
  border-radius:18px;
  padding:14px 18px;
  box-shadow:0 16px 40px rgba(20,22,26,.16);
  border:1px solid var(--line);
}
.float-badge .num{
  font-size:clamp(22px,2.4vw,30px);
  font-weight:800;
  color:var(--brand);
  line-height:1.1;
}
.float-badge .num small{font-size:13px;font-weight:700;color:var(--muted);margin-left:2px;}
.float-badge .lbl{font-size:12px;color:var(--muted);font-weight:600;}
.badge-a{left:-18px;bottom:34px;}
.badge-b{right:-14px;top:28px;}

/* ============ 数据徽章条 ============ */
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:-28px;
  position:relative;
  z-index:2;
}
.stat{
  display:flex;
  align-items:center;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.stat .dot{
  width:12px;height:12px;border-radius:50%;
  background:var(--grad);
  flex-shrink:0;
}
.stat .num{
  font-size:clamp(26px,3vw,40px);
  font-weight:800;
  line-height:1;
  color:var(--ink);
}
.stat .num small{font-size:13px;color:var(--muted);font-weight:700;margin-left:2px;}
.stat .txt{font-size:13px;color:var(--muted);line-height:1.6;}

/* ============ 通用标题 ============ */
.sec-head{
  max-width:760px;
  margin-bottom:40px;
}
.sec-head .kicker{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:.5px;
  margin-bottom:10px;
}
.sec-head h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  line-height:1.25;
}
.sec-head p{margin-top:14px;color:var(--text);}
.band-dark .sec-head p{color:#B9B5B0;}
.band-dark .sec-head .kicker{color:var(--accent);}

/* ============ 深色卡片网格 ============ */
.score-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.score-card{
  background:var(--ink-2);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.score-card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,138,61,.5);
  box-shadow:0 24px 54px rgba(0,0,0,.4);
}
.card-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:#0E1013;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.score-card:hover .card-media img{transform:scale(1.03);}
.score-body{padding:24px 26px 28px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  font-size:12px;
  font-weight:700;
  border-radius:var(--r-pill);
  background:rgba(255,91,46,.14);
  color:#FF8A5C;
  margin-bottom:14px;
}
.score-body h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.score-body p{font-size:15px;color:#B9B5B0;line-height:1.8;}
.score-points{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.score-points span{
  font-size:12.5px;
  font-weight:600;
  color:#D9D5D0;
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  padding:4px 11px;
}

/* ============ 组成清单（左右两栏） ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-card);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.checklist{margin-top:26px;display:grid;gap:14px;}
.checklist li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:16px 20px;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.checklist li:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.checklist .mk{
  width:26px;height:26px;
  border-radius:9px;
  background:var(--grad-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
  flex-shrink:0;
  margin-top:3px;
}
.checklist strong{display:block;font-size:16px;color:var(--ink);font-weight:700;}
.checklist em{font-style:normal;font-size:14px;color:var(--muted);}

/* ============ 场景条 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.scene{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 28px;
  box-shadow:var(--sh-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,91,46,.35);}
.scene .scene-no{
  font-size:13px;
  font-weight:800;
  color:var(--brand-2);
  letter-spacing:1px;
}
.scene h3{margin-top:10px;font-size:19px;font-weight:700;}
.scene p{margin-top:10px;font-size:15px;color:var(--text);}
.scene ul{margin-top:14px;display:grid;gap:8px;}
.scene ul li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--muted);
}
.scene ul li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--grad);
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:16px;max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.open{border-color:rgba(255,91,46,.4);box-shadow:var(--sh-hover);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:22px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
}
.faq-q .arw{
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  color:var(--brand);
  transition:transform var(--ease),background var(--ease);
}
.faq-q .arw::before{
  content:"";
  width:8px;height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);
}
.faq-item.open .faq-q .arw{transform:rotate(180deg);background:rgba(255,91,46,.1);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 200ms ease;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
}

/* ============ CTA ============ */
.cta-band{
  background-image:var(--grad);
  background-size:200% 200%;
  border-radius:32px;
  padding:56px;
  color:#fff;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:44px;
  align-items:center;
  box-shadow:0 28px 64px rgba(255,91,46,.28);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:auto -80px -120px auto;
  width:340px;height:340px;
  border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.25;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.9);font-size:15.5px;}
.subscribe{
  position:relative;
  z-index:1;
  background:#fff;
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:0 18px 40px rgba(20,22,26,.18);
}
.subscribe label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:8px;}
.subscribe .row{display:flex;gap:12px;}
.subscribe input{
  flex:1;
  height:48px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--surface-2);
  color:var(--ink);
  outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.subscribe input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,91,46,.14);}
.subscribe input.invalid{border-color:#E23D3D;box-shadow:0 0 0 3px rgba(226,61,61,.14);}
.form-hint{margin-top:10px;font-size:12.5px;color:var(--muted);}
.form-hint.error{color:#E23D3D;font-weight:700;}
.form-hint.ok{color:#0E9C80;font-weight:700;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#A9A5A0;
  padding:64px 0 0;
  margin-top:var(--sp-section);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:38px;height:38px;}
.footer-brand span{
  display:flex;flex-direction:column;
  font-size:17px;font-weight:800;color:#fff;line-height:1.1;
}
.footer-brand small{font-size:11px;font-weight:600;color:#8A8681;letter-spacing:1px;}
.footer-col p{font-size:14px;line-height:1.8;color:#A9A5A0;max-width:32em;}
.footer-col h4{
  font-size:14px;
  color:var(--brand);
  font-weight:800;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul li{font-size:14px;color:#A9A5A0;}
.footer-col ul a{font-size:14px;color:#A9A5A0;transition:color var(--ease);}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8A8681;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:76px;}
  .nav-wrap{gap:14px;}
  .cmd-search input{width:140px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .main-nav,.cmd-search,.icon-btn{display:none;}
  .burger{display:block;}
  .hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .stats-row{grid-template-columns:repeat(2,1fr);margin-top:8px;}
  .score-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .badge-a{left:8px;bottom:14px;}
  .badge-b{right:8px;top:14px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .logo-text{font-size:16px;}
  .hero h1{letter-spacing:-.2px;}
  .hero-sub{font-size:16.5px;}
  .btn{height:46px;padding:0 22px;}
  .btn-sm{height:40px;}
  .stats-row{gap:12px;}
  .stat{padding:16px;gap:10px;flex-direction:column;align-items:flex-start;}
  .subscribe .row{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:560px){
  :root{--sp-section:52px;}
  .container{padding:0 16px;}
  .hero{padding:32px 0 44px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .score-body{padding:20px;}
  .cta-band{padding:30px 22px;border-radius:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-badge{padding:11px 14px;}
}

/* roulang page: category4 */
:root{
  --orange:#FF5B2E;
  --orange-deep:#FF4D2D;
  --orange-soft:#FF8A3D;
  --teal:#12C2A0;
  --yellow:#FFC53D;
  --ink:#14161A;
  --text:#3A3F45;
  --muted:#6E747C;
  --bg:#FBF8F4;
  --bg-alt:#F6F1EA;
  --white:#FFFFFF;
  --border:#ECE6DE;
  --grad:linear-gradient(120deg,#FF4D2D 0%,#FF8A3D 42%,#12C2A0 100%);
  --r-card:20px;
  --r-lg:28px;
  --r-img:16px;
  --r-input:14px;
  --shadow-card:0 8px 24px rgba(20,22,26,.06);
  --shadow-hover:0 18px 48px rgba(255,91,46,.12);
  --shadow-nav:0 2px 16px rgba(20,22,26,.05);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--orange);}
img{display:block;max-width:100%;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}

/* ---------- 容器与通用 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section-alt{background:var(--white);}
.section-warm{background:var(--bg-alt);}
.section-dark{background:var(--ink);color:#C9CDD4;}
.section-dark h2,.section-dark h3{color:#fff;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--orange);
  background:rgba(255,91,46,.09);
  border:1px solid rgba(255,91,46,.16);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:700;
  margin-bottom:14px;
}
.sec-head p{color:var(--muted);}
.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,91,46,.22);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(255,91,46,.3);
  background:linear-gradient(160deg,#FF4D2D 0%,#FF8A3D 48%,#12C2A0 100%);
}
.btn-ghost{
  background:var(--white);
  border-color:rgba(255,91,46,.35);
  color:var(--orange);
}
.btn-ghost:hover{
  background:rgba(255,91,46,.08);
  color:var(--orange);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--white);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-nav);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(20,22,26,.09);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo svg{width:38px;height:38px;}
.logo-text{
  font-size:17px;
  font-weight:800;
  color:var(--ink);
  line-height:1.1;
  display:flex;
  flex-direction:column;
}
.logo-text small{
  font-size:10px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:1px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-right:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--orange);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--orange);font-weight:700;}

.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.cmd-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:252px;
  height:42px;
  padding:0 10px 0 14px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cmd-search:focus-within{
  border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(255,91,46,.12);
}
.cmd-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0;}
.cmd-search input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.cmd-search input::placeholder{color:#9AA0A6;}
.kbd{
  font-size:11px;
  color:var(--muted);
  background:var(--white);
  border:1px solid var(--border);
  border-radius:7px;
  padding:2px 7px;
  flex-shrink:0;
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--white);
  color:var(--text);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{border-color:var(--orange);color:var(--orange);background:rgba(255,91,46,.06);}
.burger{
  display:none;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--white);
  position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;
  left:50%;top:50%;
  width:18px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .2s ease,opacity .2s ease;
}
.burger span::before{content:"";transform:translate(-50%,-7px);}
.burger span::after{content:"";transform:translate(-50%,7px);}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--white);
  padding:88px 24px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateY(-12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  overflow-y:auto;
}
.drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.drawer a.drawer-link{
  font-size:22px;
  font-weight:700;
  color:var(--ink);
  padding:14px 4px;
  border-bottom:1px solid var(--border);
}
.drawer a.drawer-link.active{color:var(--orange);}
.drawer .btn{margin-top:22px;}
.drawer-close{
  position:absolute;
  top:18px;right:20px;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--white);
  font-size:20px;
  color:var(--ink);
}
body.drawer-open{overflow:hidden;}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:62px 0 68px;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(20,22,26,.92) 0%,rgba(20,22,26,.78) 40%,rgba(255,77,45,.55) 78%,rgba(18,194,160,.5) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  font-size:13px;
  color:rgba(255,255,255,.72);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:22px;
}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.crumbs span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;
  color:#fff;
  line-height:1.15;
  max-width:900px;
  margin-bottom:18px;
}
.page-hero .lead{
  max-width:760px;
  font-size:16.5px;
  color:rgba(255,255,255,.86);
  line-height:1.9;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  backdrop-filter:blur(4px);
}
.tag-light{
  background:rgba(255,91,46,.09);
  border-color:rgba(255,91,46,.2);
  color:var(--orange);
  backdrop-filter:none;
}
.tag-teal{
  background:rgba(18,194,160,.1);
  border-color:rgba(18,194,160,.22);
  color:#0E9E82;
  backdrop:none;
}

/* ---------- 徽章条 ---------- */
.badge-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-top:-38px;
  position:relative;
  z-index:5;
}
.badge{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:999px;
  padding:14px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.badge:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.badge .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--grad);
  flex-shrink:0;
}
.badge b{
  font-size:clamp(26px,3vw,40px);
  font-weight:800;
  color:var(--orange);
  line-height:1;
  font-variant-numeric:tabular-nums;
}
.badge b em{font-size:14px;font-style:normal;font-weight:700;color:var(--muted);margin-left:3px;}
.badge span{font-size:13.5px;color:var(--muted);line-height:1.5;}

/* ---------- 分栏目录布局 ---------- */
.split{
  display:grid;
  grid-template-columns:272px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.toc{
  position:sticky;
  top:96px;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--shadow-card);
}
.toc h3{
  font-size:14px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--ink);
  margin-bottom:14px;
  padding-left:10px;
  border-left:3px solid var(--orange);
  line-height:1.2;
}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;
  font-size:14px;
  color:var(--muted);
  padding:9px 10px;
  border-radius:10px;
  border-left:2px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.toc a:hover{background:var(--bg-alt);color:var(--ink);}
.toc a.active{
  color:var(--orange);
  font-weight:600;
  background:rgba(255,91,46,.07);
  border-left-color:var(--orange);
}
.toc .toc-cta{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--border);
  font-size:13px;
  color:var(--muted);
}
.toc .toc-cta a{color:var(--orange);font-weight:600;padding:0;border:0;background:none;}

/* ---------- 内容分节 ---------- */
.doc-section{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:32px;
  margin-bottom:32px;
  scroll-margin-top:96px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .22s ease;
}
.doc-section:hover{box-shadow:0 14px 38px rgba(20,22,26,.08);}
.doc-section .sec-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:30px;height:30px;
  padding:0 10px;
  border-radius:999px;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:800;
  margin-bottom:14px;
}
.doc-section h2{
  font-size:clamp(21px,2.1vw,26px);
  font-weight:700;
  margin-bottom:12px;
  letter-spacing:.2px;
}
.doc-section h3{
  font-size:18px;
  font-weight:600;
  margin:24px 0 10px;
}
.doc-section p{color:var(--text);margin-bottom:14px;}
.doc-section p:last-child{margin-bottom:0;}
.doc-figure{
  margin:22px 0 6px;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--bg-alt);
}
.doc-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .35s ease;
}
.doc-figure:hover img{transform:scale(1.03);}
.doc-figure figcaption{
  font-size:13px;
  color:var(--muted);
  padding:10px 4px 0;
}
.check-list{display:grid;gap:10px;margin:6px 0 4px;}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  color:var(--text);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:14px;height:14px;
  border-radius:5px;
  background:rgba(18,194,160,.16);
  border:1px solid rgba(18,194,160,.4);
}
.check-list li::after{
  content:"";
  position:absolute;
  left:4.5px;top:13px;
  width:5px;height:5px;
  border-radius:2px;
  background:var(--teal);
}
.note{
  margin-top:20px;
  padding:16px 18px;
  border-radius:var(--r-img);
  background:var(--bg-alt);
  border-left:4px solid transparent;
  border-image:var(--grad) 1;
  font-size:14.5px;
  color:var(--text);
}
.note b{color:var(--ink);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow-card);border-color:rgba(255,91,46,.28);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";
  width:10px;height:10px;
  border-right:2px solid var(--orange);
  border-bottom:2px solid var(--orange);
  transform:rotate(45deg) translate(-2px,-2px);
  transition:transform .2s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(-135deg) translate(-3px,-3px);}
.faq-item .faq-body{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{padding:88px 0;}
.cta-card{
  position:relative;
  border-radius:var(--r-lg);
  padding:52px 48px;
  background:var(--grad);
  color:#fff;
  overflow:hidden;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:40px;
  align-items:center;
  box-shadow:0 24px 60px rgba(255,91,46,.22);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-card h2{color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:800;margin-bottom:12px;}
.cta-card p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:520px;}
.cta-form{
  position:relative;
  z-index:2;
  background:var(--white);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:0 14px 34px rgba(20,22,26,.14);
}
.cta-form label{
  display:block;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.cta-form .row{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 180px;
  min-width:0;
  height:48px;
  padding:0 16px;
  border:1px solid var(--border);
  border-radius:var(--r-input);
  font-size:15px;
  color:var(--text);
  background:var(--bg);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.cta-form input:focus{
  outline:none;
  border-color:var(--orange);
  background:var(--white);
  box-shadow:0 0 0 3px rgba(255,91,46,.13);
}
.cta-form input.error{border-color:#E23B2E;box-shadow:0 0 0 3px rgba(226,59,46,.12);}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.6;}
.form-msg{font-size:13px;margin-top:8px;color:var(--teal);font-weight:600;display:none;}
.form-msg.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9CDD4;padding:64px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand svg{width:38px;height:38px;}
.footer-brand span{
  color:#fff;
  font-size:17px;
  font-weight:800;
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.footer-brand small{font-size:10px;font-weight:600;color:#8A9099;letter-spacing:1px;}
.footer-col p{font-size:14px;color:#8E949C;line-height:1.85;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--orange-soft);
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul li{font-size:14px;color:#8E949C;}
.footer-col ul a{font-size:14px;color:#A9AFB7;}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  font-size:13px;
  color:#7C828A;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:1140px;}
  .cmd-search{width:210px;}
  .main-nav{gap:20px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .burger{display:inline-flex;}
  .cmd-search{display:none;}
  .section{padding:64px 0;}
  .cta-band{padding:64px 0;}
  .badge-bar{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-28px;}
  .split{grid-template-columns:minmax(0,1fr);gap:28px;}
  .toc{position:static;}
  .toc ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc a{border:1px solid var(--border);border-radius:999px;padding:7px 14px;font-size:13.5px;}
  .toc a.active{border-color:var(--orange);border-left-color:var(--orange);}
  .toc .toc-cta{display:none;}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:40px 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .page-hero{padding:44px 0 52px;}
  .hero-tags{gap:8px;}
  .doc-section{padding:24px 20px;border-radius:22px;}
  .doc-figure img{aspect-ratio:16/10;}
  .section{padding:52px 0;}
  .badge{padding:12px 16px;gap:10px;}
  .cta-card{padding:32px 22px;border-radius:22px;}
  .cta-form{padding:18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:559px){
  body{font-size:15.5px;}
  .logo-text{font-size:15.5px;}
  .page-hero h1{font-size:27px;}
  .page-hero .lead{font-size:15px;}
  .badge-bar{grid-template-columns:minmax(0,1fr);}
  .doc-section h2{font-size:20px;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-item .faq-body{padding:0 18px 18px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .toc{padding:16px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5B2E;
  --brand-2:#FF8A3D;
  --teal:#12C2A0;
  --yellow:#FFC53D;
  --ink:#14161A;
  --text:#3A3F45;
  --muted:#6E747C;
  --bg:#FBF8F4;
  --bg-alt:#F6F1EA;
  --white:#FFFFFF;
  --line:#ECE6DE;
  --grad:linear-gradient(120deg,#FF4D2D 0%,#FF8A3D 42%,#12C2A0 100%);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --r-img:16px;
  --sh-card:0 8px 24px rgba(20,22,26,.06);
  --sh-hover:0 18px 48px rgba(255,91,46,.12);
  --sh-nav:0 2px 16px rgba(20,22,26,.05);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15}
h2{font-size:clamp(24px,2.8vw,34px);font-weight:700}
h3{font-size:20px;font-weight:600}
p{margin:0}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-nav)}
.nav-wrap{height:68px;display:flex;align-items:center;gap:28px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:36px;height:36px}
.logo-text{display:flex;flex-direction:column;font-size:16px;font-weight:800;color:var(--ink);line-height:1.05;letter-spacing:.2px}
.logo-text small{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--text);
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;
  background:var(--grad);opacity:0;transform:scaleX(.4);transition:opacity .18s ease,transform .18s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,91,46,.06)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{opacity:1;transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:40px;width:248px;padding:0 8px 0 12px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;color:var(--muted);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cmd-search svg{width:17px;height:17px;flex:0 0 auto}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.cmd-search input::placeholder{color:#9AA0A8}
.cmd-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(255,91,46,.10)}
.kbd{font-size:11px;font-weight:700;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:7px;padding:2px 7px}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,91,46,.4);transform:translateY(-1px)}
.burger{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  place-items:center;
}
.burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:var(--ink)}
.burger span::before{top:-5px}
.burger span::after{top:5px}

.mobile-drawer{
  position:fixed;inset:68px 0 0 0;z-index:190;background:#fff;
  padding:28px 24px 40px;display:none;flex-direction:column;gap:6px;
  transform:translateY(-8px);opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.mobile-drawer.open{display:flex;opacity:1;transform:translateY(0)}
.mobile-drawer a{
  font-size:22px;font-weight:700;color:var(--ink);padding:14px 4px;border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand)}
.mobile-drawer .btn{margin-top:22px;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,background-position .3s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);background-size:180% 180%;color:#fff;box-shadow:0 10px 24px rgba(255,91,46,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,91,46,.32);background-position:100% 0}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.9);color:var(--brand);border:1px solid rgba(255,91,46,.45)}
.btn-ghost:hover{background:rgba(255,91,46,.08);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:#14161A url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.80) 48%,rgba(255,77,45,.55) 100%);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.42),transparent 68%);
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:72px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-2);text-decoration-thickness:2px;text-underline-offset:4px}
.breadcrumb .sep{opacity:.55}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:600;color:#fff;margin-bottom:20px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--yellow);display:block}
.page-hero h1{color:#fff;max-width:820px}
.page-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{max-width:700px;margin-top:18px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.84)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.stat-pill{
  display:flex;flex-direction:column;gap:2px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  border-radius:var(--r-md);padding:18px 20px;backdrop-filter:blur(6px);
}
.stat-pill .num{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.1;color:#fff}
.stat-pill .num small{font-size:13px;font-weight:700;color:var(--yellow);margin-left:4px}
.stat-pill .txt{font-size:13px;color:rgba(255,255,255,.72)}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--white)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.6px;margin-bottom:12px;text-transform:uppercase;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}

/* ============ 时间轴 ============ */
.timeline{position:relative;max-width:920px}
.timeline::before{
  content:"";position:absolute;left:13px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,#FF4D2D 0%,#FF8A3D 46%,#12C2A0 100%);
}
.tl-item{position:relative;padding-left:58px;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:4px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:2px solid rgba(255,91,46,.35);display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(255,91,46,.14);
}
.tl-dot i{width:9px;height:9px;border-radius:50%;background:var(--grad);display:block}
.tl-item:nth-child(2n) .tl-dot{border-color:rgba(255,197,61,.5)}
.tl-item:nth-child(3n) .tl-dot{border-color:rgba(18,194,160,.45)}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(255,91,46,.28)}
.tl-step{
  display:inline-block;font-size:12.5px;font-weight:800;color:var(--brand);
  background:rgba(255,91,46,.09);border-radius:999px;padding:3px 12px;margin-bottom:10px;
}
.tl-card h3{margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--text)}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#B33B18;background:rgba(255,91,46,.10);
}
.tag.teal{color:#0A7F69;background:rgba(18,194,160,.12)}
.tag.yellow{color:#8A6100;background:rgba(255,197,61,.20)}

/* ============ 分栏图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.split-media:hover img{transform:scale(1.03)}
.split-body h2{margin-bottom:14px}
.split-body p{font-size:15.5px}
.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}
.mini-stat{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px}
.mini-stat b{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2}
.mini-stat span{font-size:13px;color:var(--muted)}
.check-list{margin-top:24px;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:15px;align-items:flex-start}
.check-list li::before{
  content:"";flex:0 0 auto;width:20px;height:20px;margin-top:5px;border-radius:6px;
  background:var(--grad);opacity:.9;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/14px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/14px no-repeat;
}

/* ============ 场景横滚 ============ */
.scene-scroll{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(268px,1fr);gap:20px;
  overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;
}
.scene-scroll::-webkit-scrollbar{height:8px}
.scene-scroll::-webkit-scrollbar-thumb{background:rgba(255,91,46,.28);border-radius:999px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-card);scroll-snap-align:start;
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-card .body{padding:20px 22px 24px}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--muted)}

/* ============ 数据看板条 ============ */
.band{
  background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.metric-board{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px}
.metric-card{
  border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 20px;background:var(--bg);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.metric-card:hover{border-color:rgba(18,194,160,.4);transform:translateY(-3px);box-shadow:var(--sh-card)}
.metric-card .k{font-size:13px;color:var(--muted);font-weight:600}
.metric-card .v{font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--ink);line-height:1.2;margin-top:6px}
.metric-card .bar{height:6px;border-radius:999px;background:var(--line);margin-top:14px;overflow:hidden}
.metric-card .bar i{display:block;height:100%;border-radius:999px;background:var(--grad)}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(255,91,46,.34);box-shadow:var(--sh-card)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);text-align:left;
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);font-weight:800;font-size:16px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.open .faq-q .plus{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text)}

/* ============ CTA ============ */
.cta-band{padding:0 0 96px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad);color:#fff;padding:56px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
}
.cta-inner::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.26),transparent 66%);
}
.cta-inner h2{color:#fff;position:relative;z-index:2}
.cta-inner p{position:relative;z-index:2;color:rgba(255,255,255,.9);margin-top:12px;font-size:15.5px}
.cta-form{position:relative;z-index:2}
.cta-form .row{display:flex;gap:12px}
.cta-form input{
  flex:1;min-width:0;height:48px;padding:0 18px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.5);background:rgba(255,255,255,.94);color:var(--ink);
  outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form input::placeholder{color:#9AA0A8}
.cta-form input:focus{border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.35)}
.cta-form button{
  height:48px;padding:0 26px;border-radius:999px;background:var(--ink);color:#fff;
  font-weight:700;font-size:15px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-form button:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(20,22,26,.32);background:#000}
.cta-note{position:relative;z-index:2;margin-top:14px;font-size:13px;color:rgba(255,255,255,.82)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9CDD3;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand svg{width:36px;height:36px}
.footer-brand span{display:flex;flex-direction:column;font-size:16px;font-weight:800;color:#fff;line-height:1.1}
.footer-brand small{font-size:11px;font-weight:600;color:#8E959E;letter-spacing:.3px}
.footer-col p{color:#9AA0A8;font-size:14px;line-height:1.85}
.footer-col h4{color:var(--brand-2);font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A9AFB7;font-size:14px;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8E959E;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .cmd-search{width:200px}
  .nav-wrap{gap:18px}
}
@media (max-width:1024px){
  .main-nav{display:none}
  .cmd-search{display:none}
  .burger{display:grid}
  .nav-tools{gap:10px}
  .badge-strip{grid-template-columns:repeat(2,1fr)}
  .metric-board{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:0}
  .cta-inner{grid-template-columns:1fr;padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .page-hero .container{padding-top:36px;padding-bottom:52px}
  .cta-band{padding-bottom:64px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .nav-wrap{height:62px;gap:12px}
  .mobile-drawer{inset:62px 0 0 0}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .btn-sm{height:38px;padding:0 15px}
  .badge-strip{grid-template-columns:1fr 1fr;gap:12px;margin-top:32px}
  .stat-pill{padding:14px 16px}
  .tl-item{padding-left:44px;padding-bottom:28px}
  .tl-card{padding:20px}
  .metric-board{grid-template-columns:1fr}
  .mini-stats{grid-template-columns:1fr}
  .cta-form .row{flex-direction:column}
  .cta-form button{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a p{padding:0 18px 20px}
}