/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#0E6B54;
  --brand-deep:#08342A;
  --brand-light:#16B98A;
  --accent:#FF6A2B;
  --gold:#FFC845;
  --success:#16A34A;
  --warn:#E5484D;
  --bg:#F5F7F3;
  --surface:#FFFFFF;
  --dark:#0A211B;
  --line:#E3E8E0;
  --text:#12211C;
  --text-2:#55665F;
  --text-3:#87968F;
  --grad:linear-gradient(135deg,#16B98A 0%,#0E6B54 100%);
  --grad-soft:linear-gradient(135deg,rgba(22,185,138,.14),rgba(14,107,84,.06));
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(8,52,42,.06);
  --sh-2:0 14px 34px rgba(8,52,42,.14);
  --container:1200px;
  --font-num:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.15em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(22,185,138,.25)}
/* Foundation 覆盖 */
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.row .column,.row .columns{padding-left:12px;padding-right:12px}
button,.button{background:none;border:0;padding:0;margin:0;color:inherit;font-size:inherit;line-height:inherit;cursor:pointer}
/* ============ 容器与通用 ============ */
.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--light{background:var(--bg)}
.section--white{background:var(--surface)}
.section--dark{background:var(--dark);color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-head h2{font-size:32px;line-height:1.28;letter-spacing:-.01em;font-weight:700}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.section--dark .section-head h2{color:#fff}
.section--dark .section-head p{color:rgba(255,255,255,.72)}
.section--dark .section-head .eyebrow{color:var(--brand-light)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;position:relative;padding-bottom:6px;color:var(--brand)}
.link-arrow::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
.link-arrow:hover::after{transform:scaleX(1)}
.link-arrow i{font-size:12px;transition:transform .25s ease}
.link-arrow:hover i{transform:translateX(4px)}
/* ============ 顶部信息条 ============ */
.topbar{background:var(--brand-deep);color:rgba(255,255,255,.84);font-size:12.5px;letter-spacing:.02em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-domain{font-weight:600;color:#fff;letter-spacing:.06em}
.topbar-note{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.75)}
.topbar-note i{color:var(--brand-light);font-size:11px}
.topbar-link{color:rgba(255,255,255,.86);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.topbar-link:hover{color:#fff}
/* ============ 主导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(8,52,42,.09)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:17px;font-weight:700;box-shadow:0 4px 12px rgba(14,107,84,.28)}
.brand-text{font-size:16.5px;font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.brand-sub{display:block;font-size:11.5px;font-weight:500;color:var(--text-3);letter-spacing:.08em;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{padding:9px 15px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-2)}
.nav-link:hover{background:rgba(14,107,84,.08);color:var(--brand)}
.nav-link.active{color:var(--brand);background:rgba(14,107,84,.1);font-weight:600}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--brand-deep);font-size:17px;align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--grad-soft)}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:999px;font-weight:600;font-size:15px;padding:12px 26px;border:1.5px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;white-space:nowrap}
.btn i{font-size:13px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(14,107,84,.28),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,107,84,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(14,107,84,.26)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-outline:hover{background:rgba(14,107,84,.08);color:var(--brand-deep);transform:translateY(-2px)}
.btn-lg{padding:15px 32px;font-size:16px}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.3)}
.btn-accent:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px)}
/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;color:#fff;padding:86px 0 92px;background-image:linear-gradient(128deg,rgba(8,52,42,.95) 0%,rgba(10,33,27,.9) 42%,rgba(14,107,84,.78) 100%),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center right}
.hero::after{content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(22,185,138,.4),rgba(22,185,138,0) 68%);pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.9)}
.hero-tag i{color:var(--brand-light)}
.hero h1{margin:22px 0 0;font-size:44px;line-height:1.22;letter-spacing:-.015em;font-weight:700}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:40px}
.hero-badge{min-width:132px;padding:16px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);backdrop-filter:blur(2px)}
.hero-badge .num{font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;letter-spacing:-.02em;background:linear-gradient(135deg,#16B98A,#FFC845);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-badge .num small{font-size:14px;font-weight:600;margin-left:2px}
.hero-badge .label{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.7)}
.hero-media{position:relative}
.hero-media img{border-radius:var(--r-lg);box-shadow:0 26px 60px rgba(0,0,0,.4);border:1px solid rgba(255,255,255,.14)}
.hero-media .float-card{position:absolute;left:-26px;bottom:-26px;background:#fff;color:var(--text);border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:12px}
.hero-media .float-card i{width:38px;height:38px;border-radius:11px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center;font-size:16px}
.hero-media .float-card b{display:block;font-size:15px;line-height:1.3}
.hero-media .float-card span{font-size:12.5px;color:var(--text-3)}
/* ============ 卖点 ============ */
.feature-grid{display:grid;grid-template-columns:1.65fr 1fr 1fr;gap:24px}
.f-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column}
.f-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,107,84,.24)}
.f-card--wide{flex-direction:row;align-items:center;gap:30px;padding:0;overflow:hidden}
.f-card--wide .f-media{flex:0 0 44%;align-self:stretch}
.f-card--wide .f-media img{height:100%;width:100%;object-fit:cover}
.f-card--wide .f-body{padding:34px 32px 34px 0}
.f-icon{width:48px;height:48px;border-radius:14px;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center;font-size:20px;margin-bottom:20px}
.f-card h3{font-size:20px;font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.f-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.f-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(14,107,84,.08);color:var(--brand)}
.tag--gold{background:rgba(255,200,69,.2);color:#8A6100}
.tag--accent{background:rgba(255,106,43,.12);color:#C24A17}
.f-list{margin-top:18px;padding:0;list-style:none;display:grid;gap:10px}
.f-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.f-list li i{color:var(--brand-light);font-size:13px;margin-top:6px}
/* ============ 演示流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:20px}
.flow-step{position:relative;padding:0 22px;text-align:left}
.flow-step::before{content:"";position:absolute;left:0;top:26px;width:100%;border-top:1.5px dashed rgba(255,255,255,.22);z-index:0}
.flow-step:first-child::before{left:26px}
.flow-step:last-child::before{width:26px}
.flow-num{position:relative;z-index:2;width:54px;height:54px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:var(--font-num);font-size:19px;font-weight:700;box-shadow:0 8px 22px rgba(14,107,84,.4)}
.flow-step h3{margin-top:22px;font-size:18px;font-weight:700;color:#fff}
.flow-step p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.8}
/* ============ 证据 ============ */
.evidence-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:start}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.metric:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.metric .num{font-family:var(--font-num);font-size:36px;font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--brand)}
.metric .num small{font-size:15px;margin-left:2px;color:var(--brand-light)}
.metric .label{display:block;margin-top:10px;font-size:14px;color:var(--text-2)}
.quotes{display:grid;gap:18px}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1)}
.quote p{font-size:15px;color:var(--text-2);line-height:1.85}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;font-family:var(--font-num)}
.quote-user b{display:block;font-size:14.5px}
.quote-user span{font-size:12.5px;color:var(--text-3)}
.logo-wall{display:grid;grid-template-columns:repeat(8,1fr);gap:14px;margin-top:52px}
.logo-cell{height:74px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:13px;font-weight:600;color:var(--text-3);filter:grayscale(1);opacity:.78;transition:filter .25s ease,opacity .25s ease,transform .25s ease,box-shadow .25s ease}
.logo-cell:hover{filter:grayscale(0);opacity:1;color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh-1)}
/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:inherit}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,107,84,.22);color:inherit}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--grad-soft)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-card .body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-size:17px;font-weight:700;line-height:1.5;letter-spacing:-.005em;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3)}
.news-meta .cat{padding:3px 10px;border-radius:999px;background:rgba(14,107,84,.08);color:var(--brand);font-weight:600}
.news-card--lead{grid-column:span 3;flex-direction:row}
.news-card--lead .thumb{flex:0 0 46%;aspect-ratio:auto;min-height:300px}
.news-card--lead .body{padding:36px 40px;justify-content:center}
.news-card--lead h3{font-size:25px;-webkit-line-clamp:2;margin-bottom:14px}
.news-card--lead p{font-size:15.5px;-webkit-line-clamp:3}
.news-empty{grid-column:span 3;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center}
.news-empty i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block}
.news-empty p{color:var(--text-2);font-size:15px}
.news-empty .btn{margin-top:22px}
/* ============ 方案 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;margin-top:12px}
.plan{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.plan:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.plan--featured{border:2px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:0 18px 44px rgba(14,107,84,.16)}
.plan-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:6px 18px;border-radius:999px;letter-spacing:.04em;white-space:nowrap}
.plan h3{font-size:19px;font-weight:700}
.plan .plan-desc{font-size:13.5px;color:var(--text-3);margin-top:6px}
.plan .price{margin:22px 0 6px;font-family:var(--font-num);font-size:42px;font-weight:700;line-height:1;letter-spacing:-.02em;color:var(--brand-deep);font-variant-numeric:tabular-nums}
.plan .price small{font-size:15px;font-weight:600;color:var(--text-3);margin-left:6px}
.plan ul{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:12px;flex:1}
.plan ul li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2)}
.plan ul li i{color:var(--brand-light);font-size:13px;margin-top:6px}
.plan .btn{margin-top:28px}
/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease}
.faq-item.open{box-shadow:var(--sh-1);border-color:rgba(14,107,84,.24)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px 20px 22px;min-height:60px;font-size:16.5px;font-weight:600;color:var(--text);position:relative}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .25s ease}
.faq-item.open .faq-q::before{transform:scaleY(1)}
.faq-q:hover{color:var(--brand)}
.faq-icon{flex:0 0 28px;width:28px;height:28px;border-radius:50%;background:rgba(14,107,84,.1);color:var(--brand);display:grid;place-items:center;font-size:12px;transition:transform .25s ease,background .25s ease,color .25s ease}
.faq-item.open .faq-icon{background:var(--grad);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 24px 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;background:rgba(245,247,243,.7)}
/* ============ 尾部 CTA ============ */
.cta-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:78px 0}
.cta-band::before{content:"";position:absolute;left:-120px;top:-140px;width:480px;height:480px;border-radius:50%;background:radial-gradient(circle,rgba(22,185,138,.34),rgba(22,185,138,0) 70%)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr auto;gap:40px;align-items:center}
.cta-inner h2{font-size:32px;line-height:1.3;letter-spacing:-.01em;font-weight:700}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;max-width:620px}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px}
.trust-row span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.76)}
.trust-row i{color:var(--brand-light);font-size:12px}
/* ============ 页脚 ============ */
.site-footer{background:#071A15;color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--brand-light);margin-top:5px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
/* ============ 浮动 CTA ============ */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:90;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .btn{box-shadow:0 12px 30px rgba(14,107,84,.34)}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:38px}
  .section{padding:72px 0}
  .logo-wall{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1023px){
  .main-nav{position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100vh;background:#fff;flex-direction:column;align-items:stretch;gap:6px;padding:88px 22px 30px;margin-left:0;box-shadow:-16px 0 40px rgba(8,52,42,.14);transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;z-index:85}
  body.nav-open .main-nav{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:16px}
  .nav-cta{margin:14px 0 0;width:100%;justify-content:center}
  .nav-toggle{display:inline-flex;margin-left:auto;z-index:95;position:relative}
  .header-inner{height:68px}
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-media .float-card{left:16px;bottom:-22px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .f-card--wide{grid-column:span 2;flex-direction:row}
  .flow{grid-template-columns:1fr 1fr;gap:36px 0}
  .flow-step{padding:0 16px}
  .flow-step::before{display:none}
  .evidence-grid{grid-template-columns:1fr;gap:36px}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-card--lead{grid-column:span 2}
  .plan-grid{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .section{padding:52px 0}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:25px}
  .topbar-note{display:none}
  .hero{padding:56px 0 66px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-badges{gap:10px}
  .hero-badge{flex:1 1 40%;min-width:0;padding:14px}
  .hero-badge .num{font-size:24px}
  .hero-media .float-card{position:static;margin-top:16px;box-shadow:var(--sh-1)}
  .feature-grid{grid-template-columns:1fr}
  .f-card--wide{grid-column:span 1;flex-direction:column}
  .f-card--wide .f-media{flex:none;width:100%}
  .f-card--wide .f-media img{height:220px}
  .f-card--wide .f-body{padding:24px 24px 28px}
  .flow{grid-template-columns:1fr;gap:26px}
  .flow-step{padding-left:70px;padding-right:0}
  .flow-step::before{display:block;left:26px;top:-26px;height:26px;width:0;border-top:0;border-left:1.5px dashed rgba(255,255,255,.22)}
  .flow-step:first-child::before{display:none}
  .flow-num{position:absolute;left:0;top:0}
  .flow-step h3{margin-top:4px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:12px}
  .metric{padding:18px}
  .metric .num{font-size:27px}
  .logo-wall{grid-template-columns:repeat(2,1fr);margin-top:36px}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1;flex-direction:column}
  .news-card--lead .thumb{flex:none;min-height:0;aspect-ratio:16/9}
  .news-card--lead .body{padding:24px}
  .news-card--lead h3{font-size:19px}
  .news-empty{grid-column:span 1;padding:40px 18px}
  .cta-band{padding:54px 0}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .float-cta{left:0;right:0;bottom:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);border-top:1px solid var(--line);backdrop-filter:blur(6px)}
  .float-cta .btn{width:100%;height:48px}
}
@media (max-width:479px){
  .hero h1{font-size:25px}
  .hero-tag{font-size:12px;padding:6px 12px}
  .brand-text{font-size:15px}
  .metric-grid{grid-template-columns:1fr}
  .plan{padding:28px 22px}
  .plan .price{font-size:36px}
  .faq-q{font-size:15.5px;padding:18px 18px 18px 18px}
  .faq-a-inner{padding:0 18px 20px 18px}
}

/* roulang page: article */
:root{
  --brand:#0E6B54;
  --brand-deep:#08342A;
  --brand-light:#16B98A;
  --accent:#FF6A2B;
  --gold:#FFC845;
  --success:#16A34A;
  --warn:#E5484D;
  --bg:#F5F7F3;
  --bg-soft:#F1F5EF;
  --card:#FFFFFF;
  --line:#E3E8E0;
  --dark:#0A211B;
  --ink:#12211C;
  --ink-2:#3D4C45;
  --muted:#6B7A73;
  --grad:linear-gradient(135deg,#16B98A 0%,#0E6B54 100%);
  --r-xl:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(8,52,42,.06);
  --sh-2:0 14px 34px rgba(8,52,42,.14);
  --t:.22s ease;
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow","Helvetica Neue",Arial,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(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t)}
a:hover{color:var(--brand-deep)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.bg-soft{background:var(--bg-soft)}
.bg-dark{background:var(--dark);color:rgba(255,255,255,.78)}
.bg-dark h2,.bg-dark h3{color:#fff}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--brand-deep);color:rgba(255,255,255,.82);font-size:12.5px;letter-spacing:.02em}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-left{font-weight:600}
.topbar-mid{flex:1;text-align:center;color:rgba(255,255,255,.7)}
.topbar-right a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:1px}
.topbar-right a:hover{color:var(--gold);border-color:var(--gold)}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(8,52,42,.08)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;box-shadow:0 4px 12px rgba(14,107,84,.28)
}
.brand-text{display:block;font-size:16.5px;font-weight:700;line-height:1.2;color:var(--ink)}
.brand-sub{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2)
}
.nav-link:hover{color:var(--brand);background:rgba(14,107,84,.07)}
.nav-link.active{color:var(--brand);background:rgba(14,107,84,.09);font-weight:600}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;border-radius:12px;
  border:1px solid var(--line);color:var(--ink);font-size:18px;background:#fff
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background-color var(--t),color var(--t);
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 6px 18px rgba(14,107,84,.26)
}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,107,84,.32)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:rgba(14,107,84,.08);color:var(--brand-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{color:var(--brand-deep);filter:brightness(.97);transform:translateY(-2px)}
.link-cta{display:inline-block;font-weight:600;color:var(--brand);padding-bottom:2px;border-bottom:2px solid transparent;background-image:var(--grad);background-size:0% 2px;background-position:left bottom;background-repeat:no-repeat;transition:background-size var(--t),color var(--t)}
.link-cta:hover{color:var(--brand-deep);background-size:100% 2px}

/* ============ 面包屑与文章头 ============ */
.crumbs{padding:22px 0 0;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{margin:0 8px;color:#B9C4BD}
.crumbs .now{color:var(--ink-2)}

.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line)}
.article-head-inner{max-width:840px;margin:0 auto}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(14,107,84,.1);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.02em
}
.tag-badge i{font-size:11px}
.article-head h1{
  font-size:clamp(26px,3.2vw,40px);margin:16px 0 18px;line-height:1.3;color:var(--ink)
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.meta-row .vline{width:1px;height:12px;background:#CFD9D2}
.meta-row i{color:var(--brand);font-size:12px;margin-right:5px}

/* ============ 正文布局 ============ */
.article-wrap{padding:52px 0 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,840px) 220px;
  gap:48px;justify-content:center;align-items:start
}
.article-layout.no-toc{grid-template-columns:minmax(0,840px)}
.article-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:44px 48px;box-shadow:var(--sh-1)
}
.article-body{font-size:17px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1em}
.article-body h2{
  position:relative;font-size:26px;color:var(--ink);
  margin:2.2em 0 .8em;padding-left:16px
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:18px;
  border-radius:2px;background:var(--grad)
}
.article-body h3{font-size:20px;font-weight:700;color:var(--brand);margin:1.6em 0 .6em}
.article-body h4{font-size:17px;color:var(--ink);margin:1.4em 0 .5em}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;border-left:4px solid var(--brand);
  background:var(--bg-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2)
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--sh-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body ul{list-style:square;padding-left:1.25em;margin:0 0 1em}
.article-body ol{list-style:decimal;padding-left:1.5em;margin:0 0 1em}
.article-body li{margin:.35em 0}
.article-body li::marker{color:var(--brand);font-weight:700}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body thead th{
  background:var(--brand-deep);color:#fff;font-weight:600;text-align:left;
  padding:12px 14px;border:0
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.article-body tbody tr:nth-child(even){background:var(--bg-soft)}
.article-body strong{color:var(--ink)}
.article-body a{font-weight:600;border-bottom:1px solid rgba(14,107,84,.35)}
.article-body a:hover{border-color:var(--brand-deep)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.empty-state{text-align:center;padding:40px 10px}
.empty-state i{font-size:34px;color:#C6D2CA}
.empty-state h2{font-size:20px;margin:14px 0 8px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ============ 侧边目录 ============ */
.article-toc{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 18px;box-shadow:var(--sh-1)
}
.toc-title{font-size:13px;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.toc-list li{margin:2px 0}
.toc-list a{
  display:block;padding:6px 10px;border-left:2px solid transparent;
  font-size:13.5px;color:var(--ink-2);border-radius:0 8px 8px 0;line-height:1.5
}
.toc-list a:hover{color:var(--brand);background:rgba(14,107,84,.06);border-left-color:var(--brand-light)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(14,107,84,.08);font-weight:600}

/* ============ 标签与推荐 ============ */
.block-gap{margin-top:52px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.block-head h2{font-size:21px}
.block-head h2 span{color:var(--brand)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:border-color var(--t),color var(--t),transform var(--t)
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.tag i{font-size:11px;margin-right:6px;color:var(--brand)}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t)
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DED6}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.post-body h3 a{color:var(--ink)}
.post-body h3 a:hover{color:var(--brand)}
.post-body p{font-size:13.5px;color:var(--muted);line-height:1.7}
.post-meta{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;gap:10px}
.post-meta .cat{color:var(--brand);font-weight:600}

.back-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ============ CTA 带 ============ */
.cta-band{background:var(--dark);color:rgba(255,255,255,.76);position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(22,185,138,.28),transparent 68%)
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:72px 0}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-inner p{max-width:640px}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cta-tags span{
  padding:6px 14px;border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.82)
}
.cta-tags i{color:var(--gold);margin-right:6px;font-size:11px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:66px 0 26px;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{margin-top:16px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:13.5px}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--brand-light);margin-top:5px;font-size:12px}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(255,255,255,.5)
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 12px 28px rgba(14,107,84,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,visibility .25s ease,transform .25s ease,filter var(--t)
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{color:#fff;filter:brightness(1.06)}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,840px)}
  .article-toc{display:none}
  .cta-inner{padding:62px 0}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 20px;box-shadow:0 16px 30px rgba(8,52,42,.1);
    display:none
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15.5px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .article-panel{padding:34px 30px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
}
@media screen and (max-width:767px){
  .section{padding:44px 0}
  .container{padding:0 16px}
  .topbar-mid{display:none}
  .topbar .container{min-height:34px}
  .brand-text{font-size:15px}
  .brand-sub{display:none}
  .article-wrap{padding:34px 0 0}
  .article-panel{padding:26px 20px;border-radius:var(--r-md)}
  .article-head{padding:18px 0 24px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px;margin-top:1.8em}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;font-size:14px}
  .card-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;justify-content:center;border-radius:0;
    padding:16px 20px calc(16px + env(safe-area-inset-bottom));
    transform:translateY(100%)
  }
  .float-cta.is-visible{transform:translateY(0)}
  .site-footer{padding-bottom:80px}
}
@media screen and (max-width:479px){
  .article-head h1{font-size:24px}
  .meta-row{font-size:12.5px;gap:8px}
  .btn{width:100%}
  .back-row .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#0E6B54;
  --brand-deep:#08342A;
  --brand-light:#16B98A;
  --accent:#FF6A2B;
  --gold:#FFC845;
  --ok:#16A34A;
  --warn:#E5484D;
  --bg:#F5F7F3;
  --card:#FFFFFF;
  --line:#E3E8E0;
  --dark:#0A211B;
  --text:#13231D;
  --muted:#5D6E66;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(8,52,42,.06);
  --shadow-md:0 14px 34px rgba(8,52,42,.14);
  --grad:linear-gradient(135deg,#16B98A 0%,#0E6B54 100%);
  --font-num:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
a:visited{color:var(--brand)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
*:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--brand-deep);
  color:rgba(255,255,255,.78);
  font-size:12.5px;
  letter-spacing:.02em;
  min-height:36px;
  display:flex;
  align-items:center;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-brand{font-weight:600;color:#fff;letter-spacing:.06em}
.topbar-mid{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.72)}
.topbar-mid i{color:var(--brand-light)}
.topbar-cta{color:var(--brand-light);font-weight:600;position:relative}
.topbar-cta::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad);transition:width .25s ease}
.topbar-cta:hover{color:#fff}
.topbar-cta:hover::after{width:100%}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
  backdrop-filter:saturate(160%) blur(6px);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(8,52,42,.10)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--brand-deep)}
.brand:hover{color:var(--brand-deep)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:700;
  box-shadow:0 6px 16px rgba(14,107,84,.28);
  flex:0 0 auto;
}
.brand-text{display:block;font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.15}
.brand-sub{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.05em;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:15px;color:#2C3D36;
  white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:#EAF4EF;color:var(--brand)}
.nav-link.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(14,107,84,.22)}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--brand-deep);
  font-size:18px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:#EAF4EF}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,filter .22s ease,color .22s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(14,107,84,.26),inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 34px rgba(8,52,42,.24);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(14,107,84,.08);color:var(--brand);transform:translateY(-2px)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand);box-shadow:0 14px 30px rgba(0,0,0,.22)}
.btn-sm{padding:10px 20px;font-size:14.5px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.section.dark{background:var(--dark);color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:#E7F4EE;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow i{color:var(--brand-light)}
.section-title{font-size:32px;line-height:1.28;letter-spacing:-.01em;font-weight:700;color:var(--brand-deep)}
.section.dark .section-title{color:#fff}
.section-sub{margin-top:14px;font-size:16.5px;color:var(--muted)}
.section.dark .section-sub{color:rgba(255,255,255,.72)}

/* ============ 面包屑 / 内页导航链 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:14px 0}
.crumb-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.crumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;color:#A9B6AF}
.subnav{display:flex;align-items:center;gap:18px;font-size:13.5px}
.subnav a{font-weight:600;position:relative}
.subnav a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--grad);transition:width .25s ease}
.subnav a:hover::after{width:100%}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--dark);
  color:#fff;
  padding:70px 0 62px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,52,42,.94) 0%,rgba(10,33,27,.76) 55%,rgba(10,33,27,.62) 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero .hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--gold);border:1px solid rgba(255,200,69,.42);
  padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-title{
  font-size:44px;line-height:1.22;letter-spacing:-.01em;font-weight:700;
  color:#fff;margin-bottom:18px;
}
.hero-title .hl{
  background:linear-gradient(135deg,#16B98A,#7FE3C4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:28px;line-height:1.8}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.badge{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-sm);
  padding:14px 18px;min-width:140px;
}
.badge-num{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:#fff;letter-spacing:.01em}
.badge-num em{font-style:normal;font-size:13px;color:var(--brand-light);margin-left:3px}
.badge-label{display:block;font-size:12.5px;color:rgba(255,255,255,.68);margin-top:4px}

.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  padding:26px;
}
.hero-panel h3{font-size:16px;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.hero-panel h3 i{color:var(--brand-light)}
.hero-panel-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:rgba(255,255,255,.78);
  padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.12);
}
.hero-panel-list li:last-child{border-bottom:none}
.hero-panel-list i{color:var(--brand-light);margin-top:5px;font-size:13px}
.hero-panel-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.62);
}
.hero-panel-foot strong{color:var(--gold);font-family:var(--font-num);font-size:16px}

/* ============ 交错图文 ============ */
.zz-row{align-items:center;margin-bottom:64px}
.zz-row:last-child{margin-bottom:0}
.zz-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:0 18px 40px rgba(8,52,42,.16);
}
.zz-text{padding-left:34px;padding-right:34px}
.zz-index{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em;
}
.zz-title{font-size:24px;line-height:1.35;margin:10px 0 14px;color:var(--brand-deep);font-weight:700;letter-spacing:-.01em}
.zz-desc{font-size:16px;color:var(--muted);margin-bottom:18px}
.zz-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--text);
  margin-bottom:10px;line-height:1.7;
}
.zz-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;
  background:var(--grad);
}
.zz-row.reverse .zz-text{padding-left:34px}

/* ============ 时间轴 ============ */
.timeline-wrap{max-width:860px;margin:0 auto}
.timeline{position:relative;padding-left:34px;border-left:1px dashed rgba(14,107,84,.35)}
.tl-item{position:relative;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:-56px;top:-2px;
  width:44px;height:44px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:15px;font-weight:700;
  box-shadow:0 8px 20px rgba(14,107,84,.28);
}
.tl-title{font-size:19px;font-weight:700;color:var(--brand-deep);margin-bottom:8px;letter-spacing:-.01em}
.tl-desc{font-size:15px;color:var(--muted);line-height:1.8}
.tl-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:12.5px;color:var(--brand);background:#E7F4EE;
  padding:4px 12px;border-radius:999px;
}

/* ============ 小卡三列 ============ */
.mini-card{
  height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#D2DED6}
.mini-icon{
  width:46px;height:46px;border-radius:14px;
  background:#E7F4EE;color:var(--brand);
  display:grid;place-items:center;font-size:19px;margin-bottom:16px;
}
.mini-card h3{font-size:18px;font-weight:700;color:var(--brand-deep);margin-bottom:10px;letter-spacing:-.01em}
.mini-card p{font-size:14.8px;color:var(--muted);line-height:1.78}
.mini-tag{
  display:inline-block;margin-top:16px;
  font-size:12px;font-weight:600;color:var(--accent);
  border:1px solid rgba(255,106,43,.32);
  padding:3px 10px;border-radius:999px;
}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D2DED6;box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:62px;padding:16px 22px 16px 24px;
  font-size:16.5px;font-weight:600;color:var(--brand-deep);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:#E7F4EE;color:var(--brand);
  display:grid;place-items:center;font-size:12px;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--grad);color:#fff}
.faq-body{padding:0 24px 22px 24px;background:#FBFDFB;font-size:15.2px;color:var(--muted);line-height:1.85}
.faq-body p{margin-top:14px}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  padding:76px 0;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,185,138,.30),rgba(22,185,138,0) 70%);
}
.cta-band .container{position:relative;z-index:2}
.cta-title{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:#fff;margin-bottom:16px}
.cta-text{font-size:16.5px;color:rgba(255,255,255,.76);max-width:620px;margin-bottom:28px}
.cta-tags{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.cta-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  padding:8px 16px;border-radius:999px;
}
.cta-tag i{color:var(--brand-light)}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 24px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  box-shadow:0 14px 32px rgba(8,52,42,.28);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,filter .2s ease;
}
.float-cta.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{color:#fff;filter:brightness(1.06)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:44px;
}
.footer-brand .brand-text,.footer-brand .brand-sub{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14.5px;line-height:1.8;margin-top:18px;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col ul a:hover{color:#fff}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--brand-light);margin-top:5px;font-size:13px}
.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:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-title{font-size:38px}
  .cta-title{font-size:30px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-title{font-size:32px}
  .page-hero{padding:56px 0 52px}
  .section-title{font-size:26px}
  .zz-text{padding-left:0;padding-right:0}
  .zz-media{margin-bottom:22px}
  .zz-row{margin-bottom:52px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .main-nav{
    position:fixed;left:0;right:0;top:74px;
    background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 20px 22px;
    box-shadow:0 18px 34px rgba(8,52,42,.14);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
    max-height:calc(100vh - 74px);overflow:auto;
  }
  .main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-link{padding:14px 12px;border-radius:12px;font-size:16px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .hero-panel{margin-top:30px}
}
@media (max-width:767px){
  .section{padding:44px 0}
  .hero-title{font-size:26px}
  .hero-lead{font-size:15.5px}
  .section-title{font-size:21px}
  .zz-title{font-size:20px}
  .cta-title{font-size:23px}
  .zz-media img{aspect-ratio:16/11}
  .timeline{padding-left:24px}
  .tl-num{left:-46px;width:38px;height:38px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    justify-content:center;height:56px;padding:0 20px calc(env(safe-area-inset-bottom));
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0)}
  .hero-badges{gap:10px}
  .badge{flex:1 1 calc(50% - 10px);min-width:0}
  .topbar-mid{display:none}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .hero-title{font-size:23px}
  .badge-num{font-size:20px}
  .btn{padding:13px 22px;font-size:15px}
  .crumb-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#0E6B54;
  --brand-deep:#08342A;
  --brand-bright:#16B98A;
  --accent:#FF6A2B;
  --gold:#FFC845;
  --success:#16A34A;
  --warn:#E5484D;
  --bg:#F5F7F3;
  --bg-alt:#EDF2EC;
  --card:#FFFFFF;
  --line:#E3E8E0;
  --dark:#0A211B;
  --ink:#12211C;
  --ink-soft:#3D5148;
  --muted:#6B7F76;
  --grad:linear-gradient(135deg,#16B98A 0%,#0E6B54 100%);
  --radius-xl:22px;
  --radius-lg:16px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-1:0 2px 8px rgba(8,52,42,.06);
  --shadow-2:0 14px 34px rgba(8,52,42,.14);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover,a:focus{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:44px}
h2{font-size:32px}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(22,185,138,.28)}

/* ===== 容器 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(8,52,42,.09)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);flex:none}
.brand:hover{color:var(--brand)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px;flex:none;box-shadow:0 8px 18px rgba(14,107,84,.26)}
.brand-text{display:block;font-size:17px;font-weight:700;line-height:1.2;letter-spacing:-.01em}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.45}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{display:inline-block;padding:9px 14px;border-radius:var(--pill);font-size:15px;font-weight:500;color:var(--ink-soft);white-space:nowrap}
.nav-link:hover{background:rgba(14,107,84,.08);color:var(--brand-deep)}
.nav-link.active{background:rgba(14,107,84,.12);color:var(--brand);font-weight:700}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;color:var(--brand-deep);cursor:pointer;font-size:17px;align-items:center;justify-content:center}
.nav-toggle:hover{background:rgba(14,107,84,.08)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--pill);font-size:15px;font-weight:700;border:1.5px solid transparent;cursor:pointer;text-align:center;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(14,107,84,.26),inset 0 1px 0 rgba(255,255,255,.3)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:rgba(14,107,84,.09);color:var(--brand-deep)}
.btn-sm{padding:10px 20px;font-size:14px}
.on-dark .btn-ghost{border-color:rgba(255,255,255,.56);color:#fff}
.on-dark .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.on-dark .btn-primary{box-shadow:0 12px 28px rgba(0,0,0,.32),inset 0 1px 0 rgba(255,255,255,.3)}

/* ===== 首屏 ===== */
.page-hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff;padding:60px 0 66px}
.page-hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;opacity:.34}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,52,42,.94) 0%,rgba(14,107,84,.72) 58%,rgba(10,33,27,.93) 100%)}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.84)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{margin:0 8px;color:rgba(255,255,255,.4)}
.page-hero h1{color:#fff;margin-bottom:16px;max-width:18em}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.85);max-width:42em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-links{margin:24px 0 0;font-size:14px;color:rgba(255,255,255,.6)}
.hero-links a{color:rgba(255,255,255,.88);border-bottom:1px solid rgba(255,255,255,.34);padding-bottom:2px}
.hero-links a:hover{color:#fff;border-bottom-color:#fff}
.hero-links .dot{margin:0 10px;color:rgba(255,255,255,.36)}
.hero-grid{row-gap:34px}
.hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-xl);padding:24px}
.hero-panel-title{font-size:14px;letter-spacing:.06em;color:rgba(255,255,255,.7);margin-bottom:16px;display:block}
.icon-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.icon-cell{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:16px}
.icon-cell i{color:var(--brand-bright);font-size:19px}
.icon-cell b{display:block;margin:10px 0 4px;font-size:15px;color:#fff;font-weight:700}
.icon-cell span{font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.66);display:block}

/* ===== 数据徽章带 ===== */
.stats-band{background:#fff;border-bottom:1px solid var(--line)}
.stats-band .container{padding-top:30px;padding-bottom:30px}
.stat{position:relative;padding:10px 4px 10px 0}
.stat-num{display:block;font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1.15;letter-spacing:-.02em;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-num em{font-style:normal;font-size:16px;margin-left:4px}
.stat-label{display:block;font-size:14px;color:var(--muted);margin-top:6px}

/* ===== 板块 ===== */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand);background:rgba(14,107,84,.1);padding:5px 13px;border-radius:var(--pill);margin-bottom:14px}

/* ===== 卡片矩阵 ===== */
.card-grid{row-gap:0}
.service-card{height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.service-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(14,107,84,.24)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.service-card:hover .card-media img{transform:scale(1.04)}
.card-badge{position:absolute;left:14px;top:14px;background:rgba(10,33,27,.8);color:#fff;font-size:12px;font-weight:500;padding:5px 12px;border-radius:var(--pill);letter-spacing:.02em}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;margin-bottom:10px}
.card-body p{font-size:15px;line-height:1.78;color:var(--ink-soft);margin-bottom:18px}
.card-meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);display:flex;align-items:center;gap:9px}
.card-meta i{color:var(--brand)}

/* ===== 对比表 ===== */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius-xl);background:#fff;box-shadow:var(--shadow-1);overflow:hidden}
.compare-table{width:100%;margin:0}
.compare-table th,.compare-table td{padding:16px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.compare-table thead th{background:var(--brand-deep);color:#fff;font-size:14px;font-weight:700;letter-spacing:.03em;border-bottom:0}
.compare-table tbody tr:nth-child(even){background:#F7FAF6}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table td:first-child{font-weight:700;color:var(--brand-deep)}
.table-note{margin:16px 0 0;font-size:13px;color:var(--muted)}

/* ===== 折叠说明 ===== */
.fold-list{display:grid;gap:16px}
.fold-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;transition:box-shadow .22s ease}
.fold-item[open]{box-shadow:var(--shadow-2)}
.fold-item summary{list-style:none;cursor:pointer;position:relative;padding:20px 24px 20px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:700;color:var(--ink);min-height:58px}
.fold-item summary::-webkit-details-marker{display:none}
.fold-item summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.fold-item summary:hover{color:var(--brand)}
.fold-sign{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:14px;color:var(--brand);transition:transform .2s ease,background-color .2s ease}
.fold-item[open] .fold-sign{transform:rotate(45deg);background:rgba(14,107,84,.12)}
.fold-body{padding:0 26px 22px 28px;font-size:15px;line-height:1.8;color:var(--ink-soft)}
.fold-body p:last-child{margin-bottom:0}

/* ===== 尾部 CTA ===== */
.cta-band{position:relative;overflow:hidden;background:var(--dark);border-radius:var(--radius-xl);padding:58px 42px;text-align:center}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(22,185,138,.34),transparent 70%)}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.78);max-width:660px;margin:0 auto 28px;font-size:16px}
.trust-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.trust-tags span{font-size:13px;color:rgba(255,255,255,.84);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--pill);padding:7px 16px}
.trust-tags i{color:var(--brand-bright);margin-right:6px}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:18px 0 0;max-width:36em}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact i{color:var(--brand-bright);margin-top:5px;font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

/* ===== 浮动 CTA ===== */
.float-cta{position:fixed;right:24px;bottom:28px;z-index:60;display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:var(--pill);background:var(--grad);color:#fff;font-weight:700;font-size:15px;box-shadow:0 14px 34px rgba(8,52,42,.3);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease}
.float-cta:hover{color:#fff;filter:brightness(1.06)}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  h1,.page-hero h1{font-size:32px}
  h2,.section-head h2,.cta-band h2{font-size:26px}
  h3{font-size:18px}
  .section{padding:64px 0}
  .page-hero{padding:44px 0 52px}
  .hero-sub{font-size:16px}
  .nav-toggle{display:inline-flex}
  .main-nav{position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);background:#fff;flex-direction:column;align-items:stretch;gap:6px;padding:92px 22px 30px;transform:translateX(102%);transition:transform .28s ease;box-shadow:-12px 0 40px rgba(8,52,42,.16);z-index:80;overflow-y:auto}
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:13px 16px;font-size:16px;border-radius:var(--radius-sm)}
  .header-inner{min-height:68px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-bottom:72px}
  .container{padding:0 18px}
  h1,.page-hero h1{font-size:26px}
  h2,.section-head h2,.cta-band h2{font-size:21px}
  h3{font-size:17px}
  .section{padding:44px 0}
  .section-head{margin-bottom:28px}
  .page-hero{padding:34px 0 44px}
  .hero-sub{font-size:15.5px;line-height:1.8}
  .hero-actions .btn{flex:1 1 100%}
  .stat-num{font-size:30px}
  .stat-num em{font-size:14px}
  .stat-label{font-size:13px}
  .brand-text{font-size:15px}
  .brand-sub{font-size:11px}
  .nav-cta{display:none}
  .card-body{padding:18px 18px 20px}
  .cta-band{padding:38px 22px;border-radius:var(--radius-lg)}
  .trust-tags span{font-size:12.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{font-size:12px}
  .table-wrap{border:0;background:transparent;box-shadow:none}
  .compare-table thead{display:none}
  .compare-table tbody tr{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:16px 18px;margin-bottom:14px}
  .compare-table tbody tr:nth-child(even){background:#fff}
  .compare-table td{display:flex;justify-content:space-between;gap:14px;border:0;padding:8px 0;font-size:14.5px}
  .compare-table td:first-child{font-size:16px;padding-bottom:10px;border-bottom:1px dashed var(--line);margin-bottom:6px}
  .compare-table td::before{content:attr(data-label);font-weight:600;color:var(--muted);flex:none}
  .fold-item summary{font-size:15.5px;padding:16px 18px 16px 22px}
  .fold-body{padding:0 20px 18px 22px}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;height:56px;padding:0 18px calc(56px - 56px);padding-bottom:env(safe-area-inset-bottom);justify-content:center;transform:translateY(100%)}
  .float-cta.is-visible{transform:translateY(0)}
}
@media (max-width:479px){
  .icon-matrix{grid-template-columns:1fr}
  .hero-panel{padding:18px}
  .stat{padding:8px 0}
}