/* roulang page: index */
:root{
  --brand:#EE4A22;
  --brand-deep:#C63A16;
  --brand-soft:#FFF1EC;
  --accent:#12A594;
  --accent-soft:#E6F5F2;
  --ink:#141A1D;
  --text:#2B3338;
  --text-2:#5C686E;
  --text-3:#8A949A;
  --bg:#FFFFFF;
  --bg-warm:#F6F1E9;
  --line:#E6E1D8;
  --gold:#F5A623;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,26,29,.05);
  --sh-2:0 8px 24px rgba(20,26,29,.07);
  --sh-3:0 16px 40px rgba(20,26,29,.10);
  --tr:all .22s cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:var(--tr)}
a:hover{color:var(--brand-deep)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.28}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--warm{background:var(--bg-warm)}
.section--tight{padding-top:72px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:var(--r-tag);padding:6px 12px}
.eyebrow--accent{color:#0B7D70;background:var(--accent-soft)}
.tag{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-tag);padding:4px 10px;line-height:1.5}
.tag--accent{color:#0B7D70;background:var(--accent-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head h2{font-size:30px;font-weight:800;margin-top:14px}
.section-head p{color:var(--text-2);font-size:16px;margin:12px 0 0;max-width:640px}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;white-space:nowrap}
.textlink svg{transition:var(--tr)}
.textlink:hover svg{transform:translateX(3px)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--r-btn);transition:var(--tr);border:1.5px solid transparent;line-height:1.4}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost:active{transform:translateY(1px)}
.btn-neutral{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-neutral:hover{border-color:var(--brand);color:var(--brand)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.btn-block{width:100%}
/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:var(--tr)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:22px;height:78px;transition:var(--tr)}
.site-header.is-scrolled .nav-wrap{height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.logo:hover{color:var(--ink)}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1)}
.logo-mark svg{width:20px;height:20px}
.nav-search{flex:1;max-width:430px;display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:0 6px 0 16px;height:50px;transition:var(--tr)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(238,74,34,.14)}
.nav-search svg.search-ico{width:18px;height:18px;color:var(--text-3);flex-shrink:0}
.nav-search input{flex:1;border:0;background:transparent;height:100%;font-size:15px;min-width:0}
.nav-search input:focus{outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search .search-btn{width:38px;height:38px;border-radius:999px;background:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--tr)}
.nav-search .search-btn:hover{background:var(--brand-deep)}
.nav-search .search-btn svg{width:17px;height:17px;color:#fff}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links > a.nav-item{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:10px 12px;border-radius:8px}
.nav-links > a.nav-item:hover{color:var(--brand);background:var(--brand-soft)}
.nav-links > a.nav-item.active{color:var(--brand)}
.nav-links > a.nav-item.active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--brand)}
.nav-cta{margin-left:10px;padding:11px 20px}
.chip-row{border-top:1px solid var(--line);background:rgba(255,255,255,.6)}
.chips{display:flex;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips a{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-size:13.5px;font-weight:600;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.chips a:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft)}
.chips a.active{color:#fff;background:var(--brand);border-color:var(--brand)}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;align-items:center;justify-content:center;background:#fff}
.nav-toggle svg{width:20px;height:20px;color:var(--ink)}
/* hero */
.hero{position:relative;padding:76px 0 88px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;right:-160px;width:520px;height:520px;border-radius:50%;border:1.5px solid rgba(238,74,34,.08);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.hero h1{font-size:48px;font-weight:800;line-height:1.2;margin:20px 0 20px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:19px;line-height:1.75;color:var(--text-2);max-width:34ch}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 36px}
.hero-stats{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.hero-stat{position:relative;padding-left:28px}
.hero-stat:first-child{padding-left:0}
.hero-stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.hero-stat:first-child::before{display:none}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{display:block;font-size:13.5px;color:var(--text-2);margin-top:4px}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:#EDE7DD;box-shadow:var(--sh-3);aspect-ratio:16/11}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(238,74,34,.18),rgba(238,74,34,0) 58%);pointer-events:none}
.hero-speed{position:absolute;left:-24px;bottom:34px;width:150px;height:8px;background:var(--gold);opacity:.85;transform:skewX(-32deg);border-radius:4px;z-index:2}
/* bento */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.bento-main{grid-column:span 7;background:#fff;border:1.5px solid var(--brand);border-radius:var(--r-card);padding:26px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--sh-1);transition:var(--tr)}
.bento-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.bento-main .thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:#EDE7DD}
.bento-main .thumb img{width:100%;height:100%;object-fit:cover}
.bento-main h3{font-size:22px;font-weight:800}
.bento-main p{color:var(--text-2);font-size:15.5px}
.bento-side{grid-column:span 5;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;gap:10px;transition:var(--tr);box-shadow:var(--sh-1)}
.mini-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D9D2C6}
.mini-ico{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center}
.mini-ico svg{width:20px;height:20px;color:#0B7D70}
.mini-card h3{font-size:17px;font-weight:700}
.mini-card p{font-size:14.5px;color:var(--text-2);line-height:1.7}
/* dark stats */
.dark-band{background:var(--ink);color:rgba(255,255,255,.86);padding:64px 0 60px}
.dark-band .band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.dark-band h2{color:#fff;font-size:28px}
.dark-band .band-head p{color:rgba(255,255,255,.62);font-size:15px;margin:10px 0 0;max-width:560px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-cell{position:relative;padding:6px 28px}
.stat-cell:first-child{padding-left:0}
.stat-cell::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.16)}
.stat-cell:first-child::before{display:none}
.stat-cell b{display:block;font-size:38px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-cell b i{font-style:normal;font-size:18px;color:rgba(255,255,255,.7);margin-left:4px;font-weight:600}
.stat-cell span{display:block;font-size:14px;color:rgba(255,255,255,.62);margin-top:10px}
.band-line{margin-top:44px;height:2px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden}
.band-line i{display:block;height:100%;width:72%;background:linear-gradient(90deg,var(--brand),var(--gold))}
/* cases */
.case-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:34px 0;border-top:1px solid var(--line)}
.case-row:first-of-type{border-top:0;padding-top:0}
.case-row.reverse .case-media{order:2}
.case-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:#EDE7DD;box-shadow:var(--sh-2)}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body h3{font-size:24px;font-weight:800;margin:14px 0 12px}
.case-body p{color:var(--text-2);font-size:15.5px;max-width:46ch}
.case-body .btn{margin-top:10px}
/* plan */
.plan-grid{display:grid;grid-template-columns:5fr 4fr;gap:40px;align-items:start}
.plan-list{display:flex;flex-direction:column;gap:12px}
.plan-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:var(--tr)}
.plan-item.is-open{border-color:var(--brand);box-shadow:var(--sh-2)}
.plan-q{width:100%;display:flex;align-items:center;gap:16px;padding:18px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink)}
.plan-no{width:30px;height:30px;flex-shrink:0;border-radius:8px;background:var(--brand-soft);color:var(--brand-deep);font-size:13.5px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.plan-item.is-open .plan-no{background:var(--brand);color:#fff}
.plan-q .arrow{margin-left:auto;color:var(--text-3);transition:var(--tr)}
.plan-item.is-open .plan-q .arrow{transform:rotate(180deg);color:var(--brand)}
.plan-a{max-height:0;overflow:hidden;transition:max-height .28s cubic-bezier(.2,.7,.3,1)}
.plan-item.is-open .plan-a{max-height:260px}
.plan-a p{padding:0 22px 20px 68px;color:var(--text-2);font-size:15px;margin:0}
.plan-card{position:sticky;top:120px;background:var(--ink);color:rgba(255,255,255,.82);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-3)}
.plan-card h3{color:#fff;font-size:22px;font-weight:800}
.plan-card > p{color:rgba(255,255,255,.62);font-size:14.5px;margin-top:12px}
.plan-points{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.plan-points li{display:flex;gap:10px;font-size:15px;align-items:flex-start}
.plan-points li svg{width:18px;height:18px;color:var(--gold);flex-shrink:0;margin-top:4px}
/* news */
.news-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:32px;align-items:start}
.news-lead{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:var(--tr)}
.news-lead:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-lead .lead-thumb{aspect-ratio:16/9;background:#EDE7DD;overflow:hidden}
.news-lead .lead-thumb img{width:100%;height:100%;object-fit:cover;transition:var(--tr)}
.news-lead:hover .lead-thumb img{transform:scale(1.03)}
.news-lead .lead-body{padding:22px 24px 24px}
.news-lead h3{font-size:21px;font-weight:800;margin:12px 0 10px}
.news-lead:hover h3{color:var(--brand)}
.news-lead p{color:var(--text-2);font-size:15px}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);margin-top:16px}
.news-rows{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.news-row{display:flex;gap:16px;padding:16px 20px;border-bottom:1px solid var(--line);color:inherit}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:#FCFAF6}
.news-row:hover strong{color:var(--brand)}
.news-thumb{width:96px;height:72px;border-radius:12px;overflow:hidden;flex-shrink:0;background:#EDE7DD}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{min-width:0;display:flex;flex-direction:column;gap:4px}
.news-body strong{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:var(--tr)}
.news-body .news-sum{font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-body .meta{display:flex;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:2px}
.empty-state{min-height:220px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px}
.empty-state svg{width:64px;height:64px;color:#C9C2B6}
.empty-state p{font-size:14px;color:var(--text-2);margin:0}
/* faq */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-intro{position:sticky;top:120px}
.faq-intro h2{font-size:30px;font-weight:800;margin:14px 0 14px}
.faq-intro p{color:var(--text-2);font-size:15.5px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1);position:relative;overflow:hidden;transition:var(--tr)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:top;transition:var(--tr)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-item.is-open{border-color:#DCD4C6;box-shadow:var(--sh-2)}
.faq-q{width:100%;display:flex;align-items:center;gap:16px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink)}
.faq-q .arrow{margin-left:auto;flex-shrink:0;color:var(--text-3);transition:var(--tr)}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s cubic-bezier(.2,.7,.3,1)}
.faq-item.is-open .faq-a{max-height:300px}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;margin:0}
/* contact */
.contact{background:var(--brand-soft);padding:88px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.contact h2{font-size:30px;font-weight:800;margin:14px 0 14px}
.contact-info{color:var(--text-2);font-size:15.5px;max-width:44ch}
.contact-lines{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.contact-lines li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--ink);font-weight:600}
.contact-lines svg{width:18px;height:18px;color:var(--brand)}
.form-card{background:#fff;border-radius:18px;padding:30px;box-shadow:var(--sh-3)}
.form-card h3{font-size:19px;font-weight:800;margin-bottom:6px}
.form-card .form-tip{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px;font-weight:600}
.field label .req{color:var(--brand);margin-left:3px}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border:1.5px solid var(--line);border-radius:var(--r-input);background:#fff;font-size:15px;transition:var(--tr)}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(238,74,34,.13)}
.form-note{font-size:13.5px;color:var(--accent);font-weight:600;margin-top:12px;min-height:20px}
/* footer */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--brand),var(--gold))}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.8;max-width:32ch}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;padding-bottom:10px;position:relative}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--brand);border-radius:2px}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.68);font-size:14px}
.footer-contact svg{width:16px;height:16px;color:var(--brand);flex-shrink:0;margin-top:5px}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
/* responsive */
@media (max-width:1279px){
  .hero h1{font-size:44px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .hero-sub{max-width:none}
  .bento-main{grid-column:span 12}
  .bento-side{grid-column:span 12}
  .news-wrap{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-intro{position:static}
  .plan-grid{grid-template-columns:1fr;gap:28px}
  .plan-card{position:static}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .case-row{grid-template-columns:1fr;gap:24px}
  .case-row.reverse .case-media{order:0}
  .stat-row{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat-cell{padding:6px 20px}
  .stat-cell:nth-child(odd){padding-left:0}
  .stat-cell:nth-child(3)::before,.stat-cell:nth-child(odd)::before{display:none}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-wrap{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .site-header.is-scrolled .nav-wrap{height:auto}
  .nav-search{order:3;width:100%;max-width:none;height:46px}
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);background:#fff;flex-direction:column;align-items:stretch;gap:6px;padding:88px 22px 32px;box-shadow:var(--sh-3);transform:translateX(105%);transition:transform .28s cubic-bezier(.2,.7,.3,1);margin:0;z-index:70;overflow-y:auto}
  .nav-links.is-open{transform:translateX(0)}
  .nav-links > a.nav-item{font-size:16px;padding:14px 12px;border-radius:10px}
  .nav-links > a.nav-item.active::after{display:none}
  .nav-links > a.nav-item.active{background:var(--brand-soft)}
  .nav-cta{margin:12px 0 0;width:100%}
  .nav-mask{position:fixed;inset:0;background:rgba(20,26,29,.45);opacity:0;pointer-events:none;transition:var(--tr);z-index:65}
  .nav-mask.is-open{opacity:1;pointer-events:auto}
  .hero h1{font-size:31px}
  .hero-sub{font-size:17px}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:18px}
  .hero-stat{padding-left:18px}
  .hero-media{aspect-ratio:4/3}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:30px}
  .section-head h2{font-size:24px}
  .bento-side{grid-template-columns:1fr}
  .dark-band{padding:52px 0}
  .dark-band h2{font-size:23px}
  .stat-cell b{font-size:30px}
  .plan-a p{padding-left:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .form-card{padding:22px}
}
@media (max-width:519px){
  .stat-row{grid-template-columns:1fr}
  .stat-cell{padding-left:0}
  .stat-cell::before{display:none}
  .hero-stat{flex:1 1 100%;padding-left:0}
  .hero-stat::before{display:none}
  .news-row{flex-direction:column}
  .news-thumb{width:100%;height:150px}
}

/* roulang page: category1 */
:root{
  --brand:#EE4A22;
  --brand-deep:#C63A16;
  --brand-soft:#FFF1EC;
  --accent:#12A594;
  --accent-soft:#E6F5F2;
  --ink:#141A1D;
  --text:#2B3338;
  --text-2:#5C686E;
  --text-3:#8A949A;
  --bg:#FFFFFF;
  --bg-warm:#F6F1E9;
  --line:#E6E1D8;
  --gold:#F5A623;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --r-sm:6px;
  --sh-1:0 1px 2px rgba(20,26,29,.05);
  --sh-2:0 8px 24px rgba(20,26,29,.07);
  --sh-3:0 16px 40px rgba(20,26,29,.10);
  --t:all .22s cubic-bezier(.2,.7,.3,1);
}
*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;font-size:16px;line-height:1.9;color:var(--text);background:var(--bg);letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:var(--t)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;letter-spacing:0}
p{margin:0 0 1.4em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px;transition:var(--t)}
.site-header.scrolled .nav-wrap{min-height:66px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:0;flex:none}
.logo:hover{color:var(--ink)}
.logo-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));display:grid;place-items:center;flex:none}
.logo-mark svg{width:19px;height:19px}
.nav-search{position:relative;flex:1 1 auto;max-width:440px;display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:0 6px 0 16px;height:50px;transition:var(--t)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(238,74,34,.14)}
.nav-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:15px;color:var(--text)}
.nav-search input::placeholder{color:var(--text-3)}
.search-ico{width:18px;height:18px;color:var(--text-3);flex:none}
.search-btn{width:38px;height:38px;flex:none;border:0;border-radius:999px;background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;transition:var(--t)}
.search-btn svg{width:18px;height:18px}
.search-btn:hover{background:var(--brand-deep)}
.search-btn:active{transform:scale(.96)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{position:relative;padding:8px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap}
.nav-item:hover{color:var(--brand);background:var(--brand-soft)}
.nav-item.active{color:var(--brand);font-weight:600}
.nav-item.active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--brand)}
.nav-cta{margin-left:8px;padding:11px 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;place-items:center;margin-left:auto;flex:none;transition:var(--t)}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-toggle svg{width:22px;height:22px}
.chip-row{border-top:1px solid var(--line);background:#fff}
.chips{display:flex;gap:10px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips a{flex:none;font-size:13px;padding:6px 14px;border-radius:999px;background:var(--bg-warm);color:var(--text-2);border:1px solid transparent;white-space:nowrap}
.chips a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.chips a.active{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(238,74,34,.24);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--r-btn);border:1.5px solid transparent;cursor:pointer;transition:var(--t);white-space:nowrap;background:transparent}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost:active{transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 页首 ---------- */
.page-hero{padding:44px 0 44px;background:linear-gradient(180deg,#fff 0%,var(--bg-warm) 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span[aria-current]{color:var(--text-3)}
.page-hero h1{font-size:clamp(26px,3.4vw,38px);font-weight:800;max-width:24em;line-height:1.32}
.page-hero .lede{margin:18px 0 0;font-size:17px;line-height:1.85;color:var(--text-2);max-width:46em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{font-size:13px;font-weight:500;padding:5px 12px;border-radius:var(--r-sm);background:var(--brand-soft);color:var(--brand-deep)}
.tag.acc{background:var(--accent-soft);color:#0C7A6D}

/* ---------- KPI ---------- */
.kpi-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 28px;box-shadow:var(--sh-1)}
.kpi{padding-left:20px;border-left:1px solid var(--line)}
.kpi:first-child{border-left:0;padding-left:0}
.kpi b{display:block;font-size:26px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.3}
.kpi span{font-size:13px;color:var(--text-3)}

/* ---------- 主体布局 ---------- */
.layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:52px;align-items:start;padding-top:56px;padding-bottom:72px}
.anchor-nav{position:sticky;top:118px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.anchor-title{margin:0 0 12px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--text-3)}
.anchor-nav a{display:block;font-size:14px;color:var(--text-2);padding:9px 12px;border-radius:10px;border-left:3px solid transparent;transition:var(--t)}
.anchor-nav a:hover{background:var(--bg-warm);color:var(--ink)}
.anchor-nav a.active{background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);font-weight:600}
.anchor-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;line-height:1.75;color:var(--text-3)}

.content-col{max-width:820px;min-width:0}
.block{margin-bottom:58px;scroll-margin-top:130px}
.block:last-of-type{margin-bottom:36px}
.block h2{position:relative;font-size:26px;font-weight:700;padding-left:15px;margin-bottom:18px;line-height:1.4}
.block h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--brand)}
.block h3{font-size:18px;font-weight:600;margin:26px 0 10px;color:var(--ink)}
.block p{font-size:16.5px;color:var(--text)}
.block p:last-child{margin-bottom:0}
.wide-fig{margin:26px 0;border-radius:var(--r-lg);overflow:hidden;background:#EDE8E0}
.wide-fig img{width:100%;aspect-ratio:16/9;object-fit:cover}
.wide-fig figcaption{font-size:13px;color:var(--text-3);padding:12px 16px;text-align:center;background:#fff}

.point-list{display:grid;gap:12px;margin:20px 0 0}
.point-list li{display:flex;gap:12px;font-size:15.5px;line-height:1.8;color:var(--text-2)}
.point-list li::before{content:"";flex:none;width:8px;height:8px;margin-top:10px;border-radius:2px;background:var(--brand)}
.point-list li strong{color:var(--ink);font-weight:600}

.stat-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0 0}
.stat-rows div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:var(--t)}
.stat-rows div:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(238,74,34,.24)}
.stat-rows b{display:block;font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.4}
.stat-rows span{font-size:13px;color:var(--text-3)}

.rank-list{display:grid;gap:14px;margin:22px 0 0}
.rank-list li{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;transition:var(--t)}
.rank-list li:hover{border-color:rgba(238,74,34,.3);box-shadow:var(--sh-1);transform:translateY(-2px)}
.rank-no{width:26px;flex:none;font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.rank-main{flex:1 1 auto;min-width:0}
.rank-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.rank-head strong{font-size:15px;font-weight:600;color:var(--ink)}
.rank-head span{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.rank-bar{height:6px;border-radius:999px;background:var(--bg-warm);margin-top:10px;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#3FC3B3)}

.note-box{margin-top:24px;background:var(--bg-warm);border-left:3px solid var(--accent);border-radius:0 14px 14px 0;padding:18px 22px;font-size:15px;color:var(--text-2);line-height:1.85}
.note-box strong{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;margin-top:8px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:var(--t)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-size:16px;font-weight:600;color:var(--ink);position:relative;transition:var(--t)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);transform:translateY(-70%) rotate(45deg);transition:var(--t)}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open]{border-color:rgba(238,74,34,.28);box-shadow:var(--sh-1)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2)}
.faq-body p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;background:var(--bg-warm);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 38px;margin-top:12px}
.cta-band h2{font-size:23px;font-weight:700;margin-bottom:8px}
.cta-band p{margin:0;font-size:15.5px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:56px;background:var(--ink);color:rgba(255,255,255,.72);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{margin:0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-col h4{position:relative;font-size:14px;font-weight:600;color:#fff;padding-bottom:11px;margin-bottom:4px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;border-radius:2px;background:var(--brand)}
.footer-col ul{display:grid;gap:10px;margin-top:14px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.68)}
.footer-contact svg{width:16px;height:16px;flex:none;margin-top:5px;color:var(--accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-wrap{flex-wrap:wrap;padding-top:12px;padding-bottom:14px;min-height:0;gap:14px}
  .site-header.scrolled .nav-wrap{min-height:0}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .nav-toggle{display:grid}
  .nav-links{position:fixed;top:0;right:0;z-index:70;width:min(320px,86vw);height:100vh;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:88px 22px 32px;background:#fff;box-shadow:-16px 0 44px rgba(20,26,29,.16);transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.3,1);overflow-y:auto}
  .nav-links.open{transform:none}
  .nav-item{padding:13px 14px;font-size:16px;border-radius:12px}
  .nav-item.active::after{display:none}
  .nav-item.active{background:var(--brand-soft)}
  .nav-cta{margin:14px 0 0;width:100%;padding:14px 20px;font-size:15px}
  .layout{grid-template-columns:1fr;gap:34px;padding-top:38px;padding-bottom:56px}
  .anchor-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;box-shadow:none}
  .anchor-title,.anchor-note{display:none}
  .anchor-nav a{flex:none;border-left:0;border-bottom:3px solid transparent;border-radius:8px;white-space:nowrap;padding:8px 14px}
  .anchor-nav a.active{border-left:0;border-bottom-color:var(--brand)}
  .kpi-strip{grid-template-columns:repeat(2,1fr);gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-hero{padding:32px 0 34px}
  .page-hero .lede{font-size:16px}
  .kpi-strip{padding:20px 22px;margin-top:26px}
  .kpi{padding-left:16px}
  .kpi b{font-size:22px}
  .stat-rows{grid-template-columns:1fr}
  .block{margin-bottom:44px}
  .block h2{font-size:22px}
  .cta-band{padding:26px 22px}
  .cta-band h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:639px){
  body{font-size:15.5px}
  .logo{font-size:17px}
  .logo-mark{width:32px;height:32px;border-radius:10px}
  .nav-search{height:46px}
  .page-hero h1{font-size:24px}
  .block p{font-size:16px}
  .wide-fig img{aspect-ratio:4/3}
  .btn{width:100%}
  .faq-item summary{font-size:15.5px;padding:16px 48px 16px 18px}
  .cta-band .btn{width:100%}
}

/* roulang page: article */
:root{
  --brand:#EE4A22;
  --brand-deep:#C63A16;
  --brand-soft:#FFF1EC;
  --accent:#12A594;
  --accent-soft:#E6F5F2;
  --ink:#141A1D;
  --text:#2B3338;
  --text-2:#5C686E;
  --text-3:#8A949A;
  --bg:#FFFFFF;
  --bg-warm:#F6F1E9;
  --bg-soft:#FCFAF6;
  --line:#E6E1D8;
  --gold:#F5A623;
  --ok:#12A594;
  --warn:#F5A623;
  --err:#D93A3A;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:999px;
  --r-input:10px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,26,29,.05);
  --sh-2:0 8px 24px rgba(20,26,29,.07);
  --sh-3:0 16px 40px rgba(20,26,29,.10);
  --ease:all .22s cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",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:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:rgba(20,26,29,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:95;
}
body.nav-open::after{opacity:1;visibility:visible}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-wrap{
  display:grid;
  grid-template-columns:auto minmax(200px,1fr) auto;
  align-items:center;
  gap:20px;
  padding:12px 0;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
  letter-spacing:-.01em;
}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
  box-shadow:0 4px 12px rgba(238,74,34,.25);
}
.logo-mark svg{width:19px;height:19px}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  width:100%;
  max-width:430px;
  height:48px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:0 6px 0 44px;
  transition:var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(238,74,34,.12)}
.search-ico{position:absolute;left:16px;width:18px;height:18px;color:var(--text-3);pointer-events:none}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;
  border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.search-btn{
  flex:0 0 auto;
  width:38px;height:38px;
  border:0;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  transition:var(--ease);
}
.search-btn svg{width:17px;height:17px}
.search-btn:hover{background:var(--brand-deep)}
.search-btn:active{transform:scale(.95)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-item{
  position:relative;
  padding:9px 10px;
  border-radius:8px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:var(--ease);
}
.nav-item:hover{color:var(--ink);background:var(--bg-warm)}
.nav-item.active{color:var(--brand);font-weight:600}
.nav-item.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;
  border-radius:var(--r-btn);
  transition:var(--ease);
  text-align:center;
}
.btn svg{width:16px;height:16px;transition:var(--ease)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(238,74,34,.22)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  background:none;border:0;padding:4px 0;
}
.btn-link svg{width:15px;height:15px}
.btn-link:hover{color:var(--brand-deep)}
.btn-link:hover svg{transform:translateX(3px)}
.nav-cta{padding:11px 20px;font-size:14.5px;margin-left:8px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
  transition:var(--ease);
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.chip-row{border-top:1px solid var(--line);background:#fff}
.chips{display:flex;gap:8px;overflow-x:auto;padding:8px 0;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chips a{
  flex:0 0 auto;
  padding:6px 14px;
  border-radius:var(--r-btn);
  background:var(--bg-warm);
  border:1px solid transparent;
  color:var(--text-2);
  font-size:13px;
  white-space:nowrap;
  transition:var(--ease);
}
.chips a:hover{background:var(--brand-soft);color:var(--brand-deep)}
.chips a.active{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(238,74,34,.22)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--line)}
.crumbs .current{color:var(--text-3);max-width:34ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.post-head{padding:22px 0 30px;border-bottom:1px solid var(--line)}
.post-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-tag);
}
.post-head h1{
  font-size:clamp(25px,3.2vw,38px);
  line-height:1.35;
  font-weight:800;
  margin:16px 0 16px;
  max-width:22em;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-3)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}
.post-meta .meta-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-soft);color:#0B7F72;
  font-size:12.5px;font-weight:600;
  padding:4px 10px;border-radius:var(--r-tag);
}

/* ---------- layout ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 312px;
  gap:52px;
  padding:42px 0 8px;
  align-items:start;
}
.article-body{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.42;
  font-weight:700;
  margin:2em 0 .85em;
  padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:3px;background:var(--brand);
}
.article-body h3{
  display:flex;align-items:center;gap:9px;
  font-size:19.5px;font-weight:700;line-height:1.5;
  margin:1.7em 0 .7em;
}
.article-body h3::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);transform:rotate(45deg);flex:0 0 auto;
}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .6em}
.article-body ul{margin:0 0 1.4em;padding-left:1.25em}
.article-body ul > li{position:relative;margin:.5em 0}
.article-body ul > li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol{margin:0 0 1.4em;padding-left:1.5em;list-style:decimal}
.article-body ol > li{margin:.5em 0}
.article-body ol > li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--bg-warm);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body img{border-radius:14px;margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px}
.article-body table{
  width:100%;
  margin:1.6em 0;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  font-size:15px;
}
.article-body th{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:0}
.article-body tbody tr:nth-child(even){background:var(--bg-soft)}
.article-body code{background:#F1F0EC;border-radius:6px;padding:2px 6px;font-size:.9em}
.article-body pre{
  background:var(--ink);color:#E9EEF0;
  border-radius:14px;padding:20px 22px;
  overflow-x:auto;font-size:14.5px;line-height:1.7;
  margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ---------- empty state ---------- */
.empty-state{
  min-height:260px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;
  background:var(--bg-soft);
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:48px 24px;
  max-width:760px;
}
.empty-state svg{width:64px;height:64px;color:var(--text-3);opacity:.6}
.empty-state h2{font-size:19px;font-weight:700}
.empty-state p{font-size:14px;color:var(--text-2);max-width:30em}

/* ---------- side ---------- */
.article-side{position:sticky;top:128px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;font-weight:700;
  margin:0 0 14px;padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc{display:flex;flex-direction:column;gap:2px}
.toc a{
  position:relative;
  display:block;
  font-size:14px;line-height:1.55;
  color:var(--text-2);
  padding:7px 10px 7px 14px;
  border-radius:8px;
  transition:var(--ease);
}
.toc a:hover{background:var(--bg-warm);color:var(--ink)}
.toc a.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.toc a.active::before{
  content:"";position:absolute;left:4px;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--brand);
}
.toc-empty{font-size:13.5px;color:var(--text-3);line-height:1.7}
.mini-list{display:flex;flex-direction:column;gap:12px}
.mini-item{
  display:flex;gap:12px;align-items:flex-start;
  padding-bottom:12px;border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.mini-item:last-child{border-bottom:0;padding-bottom:0}
.mini-item img{width:64px;height:48px;border-radius:10px;object-fit:cover;background:var(--bg-warm);flex:0 0 auto}
.mini-item .mini-title{font-size:14px;line-height:1.5;color:var(--ink);font-weight:600;display:block;margin-bottom:4px}
.mini-item:hover .mini-title{color:var(--brand)}
.mini-item span.mini-date{font-size:12.5px;color:var(--text-3)}

/* ---------- post foot ---------- */
.post-foot{padding:36px 0 0;margin-top:44px;border-top:1px solid var(--line);max-width:760px}
.tag-group{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:30px}
.tag-group .label{font-size:13.5px;color:var(--text-3);margin-right:2px}
.tag-group span.tag{
  display:inline-flex;align-items:center;
  background:var(--bg-warm);color:var(--text-2);
  font-size:13px;padding:5px 12px;border-radius:var(--r-tag);
  border:1px solid var(--line);
}
.related-title{font-size:19px;font-weight:700;margin-bottom:18px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:var(--ease);
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DDD5C8}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-warm)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.related-card:hover .thumb img{transform:scale(1.03)}
.related-card .rc-body{padding:16px 18px 18px}
.related-card .rc-title{font-size:15.5px;font-weight:700;line-height:1.55;color:var(--ink);margin-bottom:8px}
.related-card .rc-desc{font-size:13.5px;line-height:1.7;color:var(--text-2);margin-bottom:12px}
.related-card .rc-meta{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;justify-content:space-between}
.related-card .rc-meta svg{width:14px;height:14px;color:var(--brand);transition:var(--ease)}
.related-card:hover .rc-meta svg{transform:translateX(3px)}
.post-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ---------- cta band ---------- */
.cta-band{padding:72px 0 0}
.cta-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,#FFF6F2 0%,#F6F1E9 100%);
  border:1px solid var(--line);
  padding:40px 44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
}
.cta-inner::after{
  content:"";
  position:absolute;right:-60px;bottom:-80px;
  width:280px;height:280px;border-radius:50%;
  border:26px solid rgba(238,74,34,.06);
  pointer-events:none;
}
.cta-eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-deep);background:#fff;
  border:1px solid rgba(238,74,34,.2);
  padding:5px 12px;border-radius:var(--r-tag);
  margin-bottom:14px;
}
.cta-inner h2{font-size:clamp(20px,2.4vw,27px);line-height:1.45;margin-bottom:10px;max-width:22em}
.cta-inner p{font-size:15px;color:var(--text-2);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{margin-top:88px;background:var(--ink);color:rgba(255,255,255,.72);font-size:14px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding:64px 0 40px;
}
.footer-brand .logo{color:#fff;font-size:18px;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:30em}
.footer-col h4{
  position:relative;
  font-size:14px;font-weight:600;color:#fff;
  margin-bottom:18px;padding-bottom:10px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;border-radius:2px;background:var(--brand)}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.65)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.6)}
.footer-contact svg{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-wrap{grid-template-columns:1fr auto;row-gap:10px;padding:12px 0}
  .logo{order:1}
  .nav-toggle{display:inline-flex;order:2;justify-self:end}
  .nav-search{order:3;grid-column:1 / -1;max-width:none}
  .nav-links{
    position:fixed;
    top:0;right:0;bottom:0;
    width:min(320px,86vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 20px 28px;
    box-shadow:var(--sh-3);
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1);
    z-index:120;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-item{padding:13px 14px;font-size:15px;border-radius:10px}
  .nav-item.active::after{display:none}
  .nav-cta{margin:12px 0 0;width:100%}
  .article-layout{grid-template-columns:1fr;gap:36px;padding-top:34px}
  .article-side{position:static;top:auto}
  .article-body{max-width:none}
  .post-foot{max-width:none}
  .cta-inner{grid-template-columns:1fr;padding:34px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 34px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .post-head h1{font-size:24px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding-top:56px}
  .cta-inner{padding:28px 22px;border-radius:var(--r-card)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .site-footer{margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .post-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .logo{font-size:17px}
  .logo-mark{width:30px;height:30px}
  .nav-search{height:44px;padding-left:40px}
  .search-btn{width:34px;height:34px}
  .crumbs .current{max-width:18ch}
  .post-meta{gap:10px;font-size:13px}
  .article-body blockquote{padding:14px 16px}
  .article-body th,.article-body td{padding:10px 12px;font-size:14px}
  .btn{width:100%}
  .btn-link{width:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand:#EE4A22;
  --brand-deep:#C63A16;
  --brand-soft:#FFF1EC;
  --accent:#12A594;
  --accent-soft:#E6F5F2;
  --ink:#141A1D;
  --text:#2B3338;
  --text-2:#5C686E;
  --text-3:#8A949A;
  --bg:#FFFFFF;
  --bg-warm:#F6F1E9;
  --line:#E6E1D8;
  --gold:#F5A623;
  --success:#12A594;
  --warning:#F5A623;
  --danger:#D93A3A;
  --sh-1:0 1px 2px rgba(20,26,29,.05);
  --sh-2:0 8px 24px rgba(20,26,29,.07);
  --sh-3:0 16px 40px rgba(20,26,29,.10);
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --r-tag:6px;
  --container:1200px;
  --ease:all .22s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:var(--ease)}
a:hover{color:var(--brand-deep)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1.5px solid transparent;cursor:pointer;
  transition:var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-neutral{background:#fff;color:var(--text);border-color:var(--line)}
.btn-neutral:hover{border-color:var(--text-3);background:var(--bg-warm)}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);padding:4px 0}
.btn-link svg{width:16px;height:16px;transition:var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-tag);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;line-height:1.5;
}
.badge-accent{background:var(--accent-soft);color:#0B7A6D}
.tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-tag);
  background:var(--bg-warm);color:var(--text-2);
  font-size:13px;line-height:1.5;border:1px solid var(--line);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s cubic-bezier(.2,.7,.3,1);
}
.site-header.scrolled{box-shadow:var(--sh-2)}
.site-header.scrolled .nav-wrap{padding-top:10px;padding-bottom:10px}
.nav-wrap{
  display:flex;align-items:center;gap:24px;
  padding-top:16px;padding-bottom:16px;
  transition:padding .22s cubic-bezier(.2,.7,.3,1);
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
  flex-shrink:0;
}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:inline-flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:19px;height:19px}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:440px;height:50px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  padding:0 6px 0 18px;transition:var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(238,74,34,.14)}
.search-ico{width:19px;height:19px;color:var(--text-3);flex-shrink:0}
.nav-search input[type="search"]{
  flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--text);padding:0 10px;
}
.nav-search input::placeholder{color:var(--text-3)}
.search-btn{
  width:38px;height:38px;border-radius:999px;border:0;cursor:pointer;
  background:var(--brand);color:#fff;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;transition:var(--ease);
}
.search-btn svg{width:18px;height:18px}
.search-btn:hover{background:var(--brand-deep)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-item{
  position:relative;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.nav-item:hover{color:var(--brand);background:var(--brand-soft)}
.nav-item.active{color:var(--brand);font-weight:700}
.nav-item.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1.5px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;transition:var(--ease);
  margin-left:auto;
}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.chip-row{border-top:1px solid var(--line);background:#fff}
.chips{
  display:flex;gap:8px;overflow-x:auto;padding:10px 0;
  scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none}
.chips a{
  flex-shrink:0;padding:6px 14px;border-radius:999px;
  background:var(--bg-warm);color:var(--text-2);
  font-size:13px;font-weight:500;border:1px solid transparent;transition:var(--ease);
}
.chips a:hover{color:var(--brand);background:var(--brand-soft)}
.chips a.active{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(238,74,34,.28);font-weight:600}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding:22px 0 0;
}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text);font-weight:600}

/* ============ 页首 ============ */
.page-hero{padding:18px 0 0}
.page-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:40px;align-items:end;padding:26px 0 40px;
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:38px;font-weight:800;line-height:1.28;letter-spacing:-.01em}
.page-hero .lede{margin-top:16px;font-size:17px;color:var(--text-2);line-height:1.85;max-width:34em}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  background:var(--bg-warm);aspect-ratio:16/10;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(238,74,34,.16),rgba(238,74,34,0) 58%);
}
.hero-figure figcaption{
  position:absolute;left:16px;bottom:14px;right:16px;
  color:#fff;font-size:13px;line-height:1.6;
  text-shadow:0 1px 6px rgba(20,26,29,.45);
}

/* ============ 数据条 ============ */
.kpi-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--sh-1);overflow:hidden;margin:36px 0 0;
}
.kpi{
  padding:22px 24px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:4px;
}
.kpi:last-child{border-right:0}
.kpi .kpi-num{font-size:30px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em}
.kpi .kpi-num small{font-size:15px;font-weight:700;margin-left:3px}
.kpi .kpi-label{font-size:13px;color:var(--text-2)}
.kpi .kpi-sub{font-size:13px;color:var(--text-3)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-warm{background:var(--bg-warm)}
.section-tight{padding:72px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;
}
.section-head h2{font-size:28px;font-weight:800}
.section-head .section-sub{margin-top:10px;font-size:15px;color:var(--text-2);max-width:46em}
.section-head .head-side{flex-shrink:0}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.06em;margin-bottom:10px;
}

/* ============ 编号清单 ============ */
.num-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.num-item{
  display:grid;grid-template-columns:88px minmax(0,1fr) 176px;
  gap:28px;align-items:center;padding:26px 28px;
  border-bottom:1px solid var(--line);transition:var(--ease);
}
.num-item:last-child{border-bottom:0}
.num-item:hover{background:var(--brand-soft)}
.num-item:hover .num-idx{color:var(--brand)}
.num-item:hover .num-title{color:var(--brand-deep)}
.num-idx{
  font-size:34px;font-weight:800;color:#D8D2C6;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;transition:var(--ease);
}
.num-body{min-width:0}
.num-title{font-size:19px;font-weight:700;margin-bottom:8px;transition:var(--ease)}
.num-desc{font-size:15px;color:var(--text-2);line-height:1.8}
.num-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.num-thumb{
  border-radius:12px;overflow:hidden;background:var(--bg-warm);
  aspect-ratio:4/3;width:100%;
}
.num-thumb img{width:100%;height:100%;object-fit:cover;transition:var(--ease)}
.num-item:hover .num-thumb img{transform:scale(1.04)}

/* ============ 场景卡片 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DCD5C9}
.scene-ico{
  width:44px;height:44px;border-radius:12px;background:var(--accent-soft);
  color:#0B7A6D;display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.scene-ico svg{width:22px;height:22px}
.scene-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;position:relative;box-shadow:var(--sh-1);transition:var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;
  font-size:14px;font-weight:700;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-intro{position:sticky;top:120px}
.faq-intro h2{font-size:28px;font-weight:800}
.faq-intro p{margin-top:14px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:30em}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-1);overflow:hidden;transition:var(--ease);
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--brand),var(--sh-1);border-color:#DCD5C9}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-arrow{
  width:22px;height:22px;flex-shrink:0;color:var(--text-3);
  transition:transform .25s cubic-bezier(.2,.7,.3,1);
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--brand-soft);border:1px solid rgba(238,74,34,.18);
  border-radius:var(--r-lg);padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;font-weight:800}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:46em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.site-footer .logo{color:#fff;font-size:19px}
.site-footer .logo:hover{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:30em}
.footer-col h4{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;
  padding-bottom:10px;position:relative;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;
  border-radius:2px;background:var(--brand);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;line-height:1.7;color:rgba(255,255,255,.7);
}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:var(--accent)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-hero h1{font-size:34px}
}
@media (max-width:1023px){
  .nav-links{
    display:none;position:absolute;left:18px;right:18px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh-3);padding:14px;
  }
  .nav-links.open{display:flex}
  .nav-item{padding:12px 14px;font-size:16px}
  .nav-item.active::after{display:none}
  .nav-item.active{background:var(--brand-soft)}
  .nav-cta{margin-left:0;margin-top:8px;width:100%}
  .nav-toggle{display:inline-flex}
  .nav-search{max-width:none}
  .page-hero-grid{grid-template-columns:1fr;gap:28px;align-items:start}
  .hero-figure{aspect-ratio:16/9}
  .kpi-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .kpi:nth-child(2){border-right:0}
  .kpi:nth-child(1),.kpi:nth-child(2){border-bottom:1px solid var(--line)}
  .num-item{grid-template-columns:64px minmax(0,1fr) 132px;gap:20px;padding:22px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-intro{position:static}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-wrap{flex-wrap:wrap;gap:14px}
  .nav-search{order:3;flex-basis:100%;max-width:none;height:48px}
  .nav-toggle{order:2}
  .section{padding:56px 0}
  .section-tight{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .section-head h2{font-size:23px}
  .page-hero h1{font-size:28px}
  .page-hero .lede{font-size:16px}
  .page-hero-grid{padding:20px 0 32px}
  .kpi{padding:18px}
  .kpi .kpi-num{font-size:25px}
  .scene-grid{grid-template-columns:1fr;gap:16px}
  .steps{grid-template-columns:1fr;gap:16px}
  .num-item{
    grid-template-columns:48px minmax(0,1fr);
    gap:14px 16px;padding:20px 18px;align-items:start;
  }
  .num-idx{font-size:26px;padding-top:2px}
  .num-thumb{grid-column:2;aspect-ratio:16/9;margin-top:4px}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;gap:20px}
  .cta-band h2{font-size:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px;margin-top:64px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .page-hero-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .kpi-strip{grid-template-columns:1fr}
  .kpi{border-right:0;border-bottom:1px solid var(--line)}
  .kpi:last-child{border-bottom:0}
  .num-idx{font-size:22px}
  .page-hero h1{font-size:25px}
}

/* roulang page: category3 */
:root{
  --brand:#E4502B;
  --brand-deep:#C13A16;
  --brand-soft:#FFF1EC;
  --accent:#12A594;
  --accent-soft:#E6F5F2;
  --ink:#141A1D;
  --text:#2B3338;
  --text-2:#5C686E;
  --text-3:#8A949A;
  --bg:#FFFFFF;
  --bg-warm:#F6F1E9;
  --bg-cool:#F7F9F9;
  --line:#E6E1D8;
  --line-2:#E2E8E8;
  --gold:#F5A623;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,26,29,.05);
  --sh-2:0 8px 24px rgba(20,26,29,.07);
  --sh-3:0 16px 40px rgba(20,26,29,.10);
  --ease:all .22s cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",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:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:var(--ease);}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
::selection{background:var(--brand-soft);color:var(--brand-deep);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:22px;
  padding-top:14px;
  padding-bottom:12px;
  transition:padding .25s ease;
}
.site-header.scrolled .nav-wrap{padding-top:8px;padding-bottom:8px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:0;
  white-space:nowrap;
  flex:0 0 auto;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 12px rgba(228,80,43,.28);
}
.logo-mark svg{width:20px;height:20px;}

.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:430px;
  display:flex;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 6px 0 16px;
  height:48px;
  transition:var(--ease);
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(228,80,43,.14);
}
.search-ico{width:19px;height:19px;color:var(--text-3);flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  padding:0 10px;
  color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;
  width:36px;
  height:36px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:var(--ease);
}
.search-btn svg{width:17px;height:17px;}
.search-btn:hover{background:var(--brand-deep);}
.search-btn:active{transform:translateY(1px);}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-item{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  padding:8px 10px;
  border-radius:8px;
  white-space:nowrap;
}
.nav-item:hover{color:var(--ink);background:var(--bg-warm);}
.nav-item.active{color:var(--brand);font-weight:600;}
.nav-item.active::after{
  content:"";
  position:absolute;
  left:10px;
  right:10px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-cta{margin-left:10px;}

.chip-row{
  border-top:1px solid var(--line);
  background:rgba(247,249,249,.7);
}
.chips{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.chips::-webkit-scrollbar{display:none;}
.chips a{
  flex:0 0 auto;
  font-size:13px;
  color:var(--text-2);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-tag);
  padding:5px 12px;
  transition:var(--ease);
}
.chips a:hover{border-color:var(--brand);color:var(--brand);}
.chips a.active{background:var(--brand-soft);border-color:#F6C7B8;color:var(--brand-deep);font-weight:600;}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:11px;
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  color:var(--ink);
  background:#fff;
  margin-left:auto;
  flex:0 0 auto;
}
.nav-toggle svg{width:20px;height:20px;}
.nav-mask{
  position:fixed;
  inset:0;
  background:rgba(20,26,29,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:75;
}
.nav-mask.show{opacity:1;pointer-events:auto;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  border-radius:var(--r-btn);
  transition:var(--ease);
  border:1.5px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 4px 14px rgba(228,80,43,.22);
}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:#F3C4B5;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
}
.link-arrow svg{width:16px;height:16px;transition:transform .22s ease;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- breadcrumb ---------- */
.crumb-bar{
  border-bottom:1px solid var(--line);
  background:#fff;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--text-3);
  padding:16px 0;
  flex-wrap:wrap;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C6CECF;}
.crumb .here{color:var(--ink);font-weight:500;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 64px;
  background:
    radial-gradient(880px 340px at 88% -10%, rgba(18,165,148,.10), transparent 62%),
    radial-gradient(680px 300px at 6% 0%, rgba(228,80,43,.10), transparent 60%),
    #fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-70px;
  top:34px;
  width:300px;
  height:300px;
  border-radius:50%;
  border:1px dashed rgba(20,26,29,.09);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12.5px;
  font-weight:600;
  color:var(--accent);
  background:var(--accent-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 3px rgba(18,165,148,.18);
}
.page-hero h1{
  font-size:38px;
  font-weight:800;
  line-height:1.28;
  letter-spacing:-0.01em;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--brand);
}
.hero-lead{
  margin-top:16px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
  max-width:640px;
}
.hero-kpi{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:30px;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.kpi{
  padding:0 30px;
  border-left:1px solid var(--line);
}
.kpi:first-child{padding-left:0;border-left:0;}
.kpi-num{
  font-size:26px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.kpi-num span{font-size:14px;font-weight:600;color:var(--brand);margin-left:3px;}
.kpi-label{font-size:13px;color:var(--text-3);margin-top:4px;}

.hero-side{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:24px;
}
.hero-side h3{
  font-size:16px;
  font-weight:700;
  margin-bottom:14px;
}
.hero-side ul li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-2);
  padding:10px 0;
  border-bottom:1px dashed var(--line);
  line-height:1.7;
}
.hero-side ul li:last-child{border-bottom:0;padding-bottom:0;}
.hero-side ul li svg{
  width:17px;height:17px;flex:0 0 auto;margin-top:4px;color:var(--accent);
}
.hero-side .side-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.side-foot .stamp{
  font-size:12.5px;
  color:var(--text-3);
}

/* ---------- section base ---------- */
.section{padding:88px 0;}
.section--warm{background:var(--bg-warm);}
.section--cool{background:var(--bg-cool);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:28px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .sh-left{max-width:660px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:10px;
}
.section-head h2{
  font-size:28px;
  font-weight:800;
}
.section-head p{
  margin-top:12px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.85;
}

/* ---------- matrix ---------- */
.matrix-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.matrix-scroll{
  overflow-x:auto;
  scrollbar-width:thin;
}
.matrix{
  min-width:880px;
  font-size:14.5px;
}
.matrix thead th{
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 18px;
  border-bottom:1px solid #F5D3C7;
  white-space:nowrap;
}
.matrix thead th:first-child{
  width:190px;
  color:var(--ink);
  background:#FBF3EE;
}
.matrix thead th .th-sub{
  display:block;
  font-size:12px;
  font-weight:500;
  color:var(--text-3);
  margin-top:3px;
  letter-spacing:0;
}
.matrix tbody td{
  padding:15px 18px;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
  vertical-align:top;
  transition:background .18s ease;
  background:#fff;
}
.matrix tbody tr:last-child td{border-bottom:0;}
.matrix tbody td:first-child{
  position:sticky;
  left:0;
  z-index:2;
  background:#FBF8F3;
  color:var(--ink);
  font-weight:600;
  box-shadow:1px 0 0 var(--line);
  white-space:nowrap;
}
.matrix tbody tr:hover td{background:#FFFBF8;}
.matrix tbody tr:hover td:first-child{background:#FDF2EC;}
.matrix .tag-inline{
  display:inline-block;
  font-size:12.5px;
  padding:2px 9px;
  border-radius:var(--r-tag);
  background:var(--accent-soft);
  color:#0B7D70;
  margin-right:6px;
  white-space:nowrap;
}
.matrix .tag-inline.warn{background:#FEF5E6;color:#A86A05;}
.matrix .tag-inline.plain{background:#F1F3F3;color:var(--text-2);}
.matrix .cell-strong{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;}
.matrix-note{
  margin-top:18px;
  font-size:13.5px;
  color:var(--text-3);
  display:flex;
  align-items:flex-start;
  gap:8px;
}
.matrix-note svg{width:16px;height:16px;flex:0 0 auto;margin-top:3px;}

/* ---------- archive cards ---------- */
.archive-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.archive-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:var(--ease);
  display:flex;
  flex-direction:column;
}
.archive-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.archive-thumb{
  position:relative;
  aspect-ratio:16/9;
  background:#EDE9E1;
  overflow:hidden;
}
.archive-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.archive-card:hover .archive-thumb img{transform:scale(1.03);}
.archive-thumb .thumb-tag{
  position:absolute;
  left:14px;
  top:14px;
  font-size:12.5px;
  font-weight:600;
  color:#fff;
  background:rgba(20,26,29,.62);
  border-radius:var(--r-tag);
  padding:4px 10px;
  backdrop-filter:blur(4px);
}
.archive-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.archive-body h3{font-size:18px;font-weight:700;}
.archive-body p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.8;
  flex:1 1 auto;
}
.archive-meta{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}

/* ---------- spec block with backpic ---------- */
.spec-block{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:0;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-2);
}
.spec-media{
  position:relative;
  min-height:340px;
  background:linear-gradient(140deg,#20272B,#141A1D), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  background-blend-mode:multiply;
  background-size:cover;
  background-position:center;
}
.spec-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,26,29,.10),rgba(20,26,29,.62));
}
.spec-media-caption{
  position:absolute;
  left:26px;
  bottom:24px;
  right:26px;
  z-index:1;
  color:#fff;
}
.spec-media-caption strong{
  display:block;
  font-size:17px;
  font-weight:700;
  margin-bottom:6px;
}
.spec-media-caption span{
  font-size:13.5px;
  color:rgba(255,255,255,.75);
  line-height:1.7;
}
.spec-content{padding:40px 38px;}
.spec-content h2{font-size:26px;font-weight:800;}
.spec-content > p{
  margin-top:14px;
  font-size:15.5px;
  color:var(--text-2);
  line-height:1.9;
}
.spec-list{margin-top:26px;display:grid;gap:16px;}
.spec-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.spec-list .num{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:9px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:13.5px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.spec-list h4{font-size:15.5px;font-weight:700;margin-bottom:4px;}
.spec-list p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:var(--ease);
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.step h3{font-size:16.5px;font-weight:700;}
.step p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.step-line{
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  opacity:.55;
  margin-top:20px;
}

/* ---------- faq ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:150px;}
.faq-aside h2{font-size:28px;font-weight:800;}
.faq-aside p{
  margin-top:14px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}
.faq-aside .aside-card{
  margin-top:24px;
  background:var(--brand-soft);
  border:1px solid #F6D5C9;
  border-radius:var(--r-card);
  padding:20px;
}
.faq-aside .aside-card strong{
  display:block;
  font-size:14.5px;
  color:var(--brand-deep);
  margin-bottom:8px;
}
.faq-aside .aside-card p{margin:0;font-size:13.5px;color:var(--text-2);}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--ease);
}
.faq-item:hover{border-color:#DED6C9;}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:19px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .q-text{flex:1 1 auto;}
.faq-ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:transform .25s ease,color .2s ease,border-color .2s ease;
}
.faq-ico svg{width:14px;height:14px;}
.faq-item[open]{
  border-color:#F2C5B6;
  box-shadow:inset 3px 0 0 var(--brand), var(--sh-1);
}
.faq-item[open] summary{color:var(--brand-deep);}
.faq-item[open] .faq-ico{transform:rotate(180deg);color:var(--brand);border-color:#F2C5B6;}
.faq-body{
  padding:0 22px 22px 25px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#FFF3EE,#F3FAF8);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:24px;font-weight:800;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px;line-height:1.85;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  padding-bottom:10px;
  margin-bottom:16px;
  position:relative;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand);
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.62);
}
.footer-contact svg{
  width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-search{max-width:340px;}
}
@media (max-width:1023px){
  .nav-wrap{flex-wrap:wrap;gap:14px;}
  .nav-toggle{display:inline-flex;}
  .nav-search{
    order:3;
    flex:1 1 100%;
    max-width:none;
  }
  .nav-links{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:290px;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:78px 20px 28px;
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.2,.7,.3,1);
    z-index:90;
    box-shadow:-14px 0 40px rgba(20,26,29,.14);
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-item{padding:13px 14px;font-size:15px;border-radius:10px;}
  .nav-item.active::after{display:none;}
  .nav-item.active{background:var(--brand-soft);}
  .nav-cta{margin:14px 0 0;width:100%;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .page-hero h1{font-size:33px;}
  .spec-block{grid-template-columns:minmax(0,1fr);}
  .spec-media{min-height:240px;}
  .archive-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:60px 0;}
  .page-hero{padding:40px 0 48px;}
  .page-hero h1{font-size:27px;line-height:1.34;}
  .hero-lead{font-size:15.5px;}
  .section-head h2{font-size:23px;}
  .section-head{margin-bottom:28px;}
  .kpi{padding:0 18px;}
  .kpi-num{font-size:22px;}
  .spec-content{padding:30px 22px;}
  .spec-content h2{font-size:22px;}
  .archive-grid{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:28px 24px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:32px;}
  .footer-bottom{font-size:12.5px;}
}
@media (max-width:520px){
  .logo{font-size:17px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;}
  .nav-search{height:44px;}
  .page-hero h1{font-size:24px;}
  .hero-kpi{gap:14px 0;}
  .kpi{flex:1 1 46%;padding:0 14px;}
  .kpi:first-child{padding-left:0;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .matrix{font-size:13.5px;}
  .matrix tbody td,.matrix thead th{padding:12px 14px;}
  .faq-item summary{padding:16px 16px;font-size:15px;}
  .faq-body{padding:0 16px 18px 19px;font-size:14.5px;}
}

/* roulang page: category4 */
:root{
  --brand:#EE4A22;
  --brand-deep:#C63A16;
  --brand-soft:#FFF1EC;
  --accent:#12A594;
  --accent-soft:#E6F5F2;
  --ink:#141A1D;
  --text:#2B3338;
  --text-2:#5C686E;
  --text-3:#8A949A;
  --bg:#FFFFFF;
  --bg-warm:#F6F1E9;
  --line:#E6E1D8;
  --gold:#F5A623;
  --r-card:16px;
  --r-lg:20px;
  --r-btn:10px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,26,29,.05);
  --sh-2:0 8px 24px rgba(20,26,29,.07);
  --sh-3:0 16px 40px rgba(20,26,29,.10);
  --tr:all .22s cubic-bezier(.2,.7,.3,1);
}

*,*::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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:var(--tr);}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:var(--tr);cursor:pointer;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn-outline:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn-arrow::after{content:"→";font-size:15px;transition:var(--tr);}
.btn-arrow:hover::after{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);
  transition:var(--tr);
}
.site-header.scrolled{box-shadow:var(--sh-1);}
.nav-wrap{
  display:flex;align-items:center;gap:20px;min-height:78px;
  transition:var(--tr);
}
.site-header.scrolled .nav-wrap{min-height:66px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
  flex:0 0 auto;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 100%);
  display:grid;place-items:center;box-shadow:0 4px 12px rgba(238,74,34,.28);
}
.logo-mark svg{width:19px;height:19px;}

.nav-search{
  flex:1 1 320px;max-width:460px;margin:0 auto;
  display:flex;align-items:center;gap:8px;
  height:48px;padding:0 6px 0 16px;
  background:#fff;border:1.5px solid var(--line);border-radius:999px;
  transition:var(--tr);
}
.nav-search:hover{border-color:#D9D2C6;}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(238,74,34,.14);
}
.search-ico{width:19px;height:19px;color:var(--text-3);flex:0 0 auto;}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;width:36px;height:36px;border:0;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  transition:var(--tr);
}
.search-btn:hover{background:var(--brand-deep);}
.search-btn:active{transform:scale(.95);}
.search-btn svg{width:17px;height:17px;}

.nav-links{display:flex;align-items:center;gap:2px;flex:0 0 auto;}
.nav-item{
  position:relative;padding:8px 10px;border-radius:8px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-item:hover{color:var(--brand);background:var(--brand-soft);}
.nav-item.active{color:var(--ink);font-weight:600;}
.nav-item.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:10px;padding:11px 20px;font-size:14.5px;}

.nav-toggle{
  display:none;flex:0 0 auto;width:42px;height:42px;border:1px solid var(--line);
  border-radius:11px;background:#fff;color:var(--ink);place-items:center;
  transition:var(--tr);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-toggle svg{width:21px;height:21px;}

.chip-row{border-top:1px solid var(--line);background:#fff;}
.chips{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none;}
.chips::-webkit-scrollbar{display:none;}
.chips a{
  flex:0 0 auto;padding:7px 15px;border-radius:999px;
  background:var(--bg-warm);color:var(--text-2);font-size:13px;white-space:nowrap;
}
.chips a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.chips a.active{background:var(--brand);color:#fff;}

.nav-mask{
  position:fixed;inset:0;background:rgba(20,26,29,.45);
  opacity:0;visibility:hidden;transition:var(--tr);z-index:150;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ 页首区 ============ */
.page-head{padding:52px 0 72px;background:#fff;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);margin-bottom:26px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C2B6;}
.breadcrumb .current{color:var(--text-3);}

.head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-tag);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.page-head h1{font-size:38px;font-weight:800;line-height:1.28;letter-spacing:-.015em;}
.lead{
  margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);
  max-width:38em;
}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

.head-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-warm);aspect-ratio:4/3;box-shadow:var(--sh-2);
}
.head-media img{width:100%;height:100%;object-fit:cover;}
.head-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(238,74,34,.16) 0%,rgba(238,74,34,0) 58%);
}

.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:52px;padding-top:28px;border-top:1px solid var(--line);
}
.stat{padding:0 26px;}
.stat:first-child{padding-left:0;}
.stat + .stat{border-left:1px solid var(--line);}
.stat b{
  display:block;font-size:30px;font-weight:800;line-height:1.15;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-2);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--warm{background:var(--bg-warm);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--accent);margin-bottom:12px;
}
.section-head h2{font-size:28px;line-height:1.4;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-2);}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  max-width:none;
}
.section-head--row .section-head-text{max-width:680px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--brand);flex:0 0 auto;padding-bottom:4px;
}
.link-more::after{content:"→";transition:var(--tr);}
.link-more:hover::after{transform:translateX(3px);}

/* ============ 准备清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.check-item{
  display:flex;gap:14px;padding:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:var(--tr);
}
.check-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.check-ico{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;
  background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;
}
.check-ico svg{width:19px;height:19px;}
.check-item h3{font-size:16px;margin-bottom:6px;}
.check-item p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* ============ 问答卡片瀑布 ============ */
.waterfall{column-count:2;column-gap:24px;}
.qa-card{
  break-inside:avoid;margin:0 0 24px;
  padding:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);transition:var(--tr);
}
.qa-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#DCD5C9;}
.qa-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);margin-bottom:16px;
}
.qa-icon svg{width:22px;height:22px;}
.qa-card:nth-child(even) .qa-icon{background:var(--accent-soft);color:var(--accent);}
.qa-card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.qa-card p{font-size:14.5px;line-height:1.85;color:var(--text-2);}
.qa-tag{
  display:inline-block;margin-top:16px;padding:4px 10px;border-radius:var(--r-tag);
  background:var(--bg-warm);color:var(--text-2);font-size:12.5px;
}

/* ============ 观赛流程 ============ */
.steps{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:8px 32px;box-shadow:var(--sh-1);}
.step{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:28px 0;}
.step + .step{border-top:1px solid var(--line);}
.step-no{
  width:56px;height:56px;border-radius:15px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;
}
.step:nth-child(even) .step-no{background:var(--accent-soft);color:var(--accent);}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;line-height:1.85;color:var(--text-2);max-width:62em;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:112px;}
.faq-aside h2{font-size:28px;line-height:1.4;}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2);}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:14px;margin-bottom:14px;overflow:hidden;transition:var(--tr);
}
.faq-item:hover{border-color:#DCD5C9;}
.faq-item[open]{border-left-color:var(--brand);box-shadow:var(--sh-1);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:18px 58px 18px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);transition:var(--tr);
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--brand);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2);}

/* ============ CTA ============ */
.cta-band{
  padding:72px 0;
  background:linear-gradient(180deg,rgba(255,241,236,.95),rgba(255,241,236,.98)),
             url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-top:1px solid #F2DED5;border-bottom:1px solid #F2DED5;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-inner h2{font-size:26px;line-height:1.45;max-width:22em;}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:44em;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand .logo{color:#fff;font-size:18px;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:30em;}
.footer-col h4{
  color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;
  border-radius:2px;background:var(--brand);
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:13.5px;color:rgba(255,255,255,.68);}
.footer-col ul a:hover{color:var(--brand);}
.footer-contact li{
  display:flex;gap:10px;font-size:13.5px;line-height:1.75;
  color:rgba(255,255,255,.68);margin-bottom:12px;
}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:3px;color:var(--accent);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-item{padding:8px 8px;font-size:14.5px;}
  .nav-cta{padding:10px 16px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-wrap{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:8px;min-height:0;}
  .site-header.scrolled .nav-wrap{min-height:0;}
  .nav-search{order:3;flex:1 0 100%;max-width:none;margin:0 0 10px;}
  .nav-toggle{display:grid;margin-left:auto;}
  .nav-links{
    position:fixed;top:0;right:0;z-index:200;
    width:290px;height:100vh;padding:84px 24px 32px;
    background:#fff;box-shadow:var(--sh-3);
    flex-direction:column;align-items:stretch;gap:4px;
    transform:translateX(101%);transition:var(--tr);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-item{padding:13px 12px;font-size:16px;border-radius:10px;}
  .nav-item.active::after{left:12px;right:auto;width:20px;bottom:8px;}
  .nav-cta{margin:16px 0 0;width:100%;padding:13px 20px;font-size:15px;}

  .head-grid{grid-template-columns:1fr;gap:36px;}
  .head-media{aspect-ratio:16/9;}
  .page-head{padding:40px 0 56px;}
  .page-head h1{font-size:33px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat{padding:0 20px;}
  .stat:nth-child(3){padding-left:0;}
  .stat:nth-child(3){border-left:0;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:23px;}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:14px;}
  .page-head h1{font-size:28px;}
  .lead{font-size:15.5px;}
  .waterfall{column-count:1;}
  .steps{padding:4px 20px;}
  .step{grid-template-columns:52px 1fr;gap:16px;padding:22px 0;}
  .step-no{width:46px;height:46px;border-radius:12px;font-size:15px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .stat b{font-size:25px;}
  .head-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .logo{font-size:17px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;}
  .page-head h1{font-size:25px;}
  .qa-card{padding:22px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .head-actions .btn{width:100%;flex:1 0 100%;}
  .cta-actions .btn{flex:1 0 100%;}
}