/* roulang page: index */
:root{
  --brand:#0F5A50;--brand-deep:#0A3F38;--brand-mid:#14786A;--brand-light:#9FD9CC;
  --accent:#F2872B;--accent-soft:#FDE7D3;
  --bg:#F6F4EF;--surface:#FFFFFF;--ink:#12211F;--ink-2:#5A6A67;--ink-3:#8C9A97;--line:#E4E1D8;
  --radius-lg:24px;--radius-md:18px;--radius-sm:12px;--radius-img:20px;
  --shadow-s:0 1px 2px rgba(15,58,50,.06),0 8px 24px -12px rgba(15,58,50,.18);
  --shadow-l:0 24px 60px -28px rgba(15,58,50,.35);
  --grad-brand:linear-gradient(120deg,#0F5A50 0%,#14786A 48%,#1F9E86 100%);
  --grad-cta:linear-gradient(120deg,#F2872B,#F5A65B);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:136px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-mid)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:800}
h2{font-size:clamp(22px,2.6vw,34px);font-weight:800}
h3{font-size:18px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.section{padding:104px 0}
.section-tight{padding:72px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-mid);text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.sec-head p{color:var(--ink-2);max-width:640px;margin-top:12px;font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);white-space:nowrap;font-size:15px}
.text-link span{transition:transform .2s ease}
.text-link:hover span{transform:translateX(3px)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:14px 30px;min-height:48px;border:1px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 12px 26px -14px rgba(242,135,43,.85)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(242,135,43,.9);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:rgba(15,90,80,.08);color:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-light:hover{background:rgba(255,255,255,.26);color:#fff}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-top-inner{display:flex;align-items:center;gap:28px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.01em;color:var(--brand-deep);flex-shrink:0}
.logo:hover{color:var(--brand-mid)}
.logo-mark{width:36px;height:36px;border-radius:11px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em;box-shadow:var(--shadow-s)}
.nav-search{margin-left:auto;flex:1;max-width:420px;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 8px 6px 18px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,135,43,.28)}
.nav-search input{flex:1;border:0;background:transparent;font-size:14px;outline:none;min-width:0;padding:6px 0}
.nav-search button{width:38px;height:38px;border-radius:999px;border:0;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s ease}
.nav-search button:hover{background:var(--brand-mid)}
.nav-cta{padding:12px 24px;min-height:44px;font-size:14px}
.nav-tabs{border-top:1px solid var(--line);background:rgba(255,255,255,.7)}
.nav-tabs-inner{display:flex;gap:10px;padding-top:10px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%)}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.tab{flex-shrink:0;display:inline-flex;align-items:center;min-height:40px;padding:0 20px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);background:#fff;border:1px solid var(--line);transition:all .2s ease}
.tab:hover{background:rgba(159,217,204,.28);color:var(--brand-deep);border-color:var(--brand-light)}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(15,90,80,.9)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.20;mix-blend-mode:luminosity}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,63,56,.92) 0%,rgba(15,90,80,.82) 46%,rgba(31,158,134,.55) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:92px 0 84px}
.hero h1{color:#fff;margin-bottom:20px}
.hero-sub{font-size:clamp(16px,1.5vw,19px);color:rgba(255,255,255,.88);max-width:520px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px}
.hero-badge{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.32);border-radius:18px;padding:16px 22px;min-width:150px;backdrop-filter:blur(6px)}
.hero-badge b{display:block;font-size:clamp(28px,3vw,34px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.15}
.hero-badge span{font-size:13px;color:rgba(255,255,255,.82)}
.hero-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);border-radius:28px;padding:26px;backdrop-filter:blur(10px)}
.hero-panel-title{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.78);font-weight:700;margin-bottom:16px}
.hero-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.24);font-size:15px;color:rgba(255,255,255,.94)}
.hero-list li:last-child{border-bottom:0;padding-bottom:0}
.hero-list .num{flex-shrink:0;width:28px;height:28px;border-radius:9px;background:rgba(242,135,43,.92);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}
.hero-cover{border-radius:var(--radius-img);overflow:hidden;margin-top:22px;border:1px solid rgba(255,255,255,.3)}
.hero-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 服务能力 ---------- */
.service-list{display:grid;gap:14px}
.service-row{display:grid;grid-template-columns:76px 1fr auto;align-items:center;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:24px 30px;box-shadow:var(--shadow-s);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease}
.service-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:var(--brand-light)}
.service-row .idx{font-size:22px;font-weight:800;color:var(--brand-light);font-variant-numeric:tabular-nums}
.service-row h3{margin-bottom:6px}
.service-row p{color:var(--ink-2);font-size:14.5px;line-height:1.75;max-width:720px}
.service-arrow{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brand);transition:all .26s ease}
.service-row:hover .service-arrow{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 优势数据横幅 ---------- */
.stat-band{position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;padding:78px 0}
.stat-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center bottom;opacity:.14}
.stat-band-inner{position:relative;z-index:2}
.stat-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.stat-head h2{color:#fff}
.stat-head p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-item{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);border-radius:var(--radius-md);padding:26px 24px;backdrop-filter:blur(6px)}
.stat-item b{display:block;font-size:clamp(30px,3.4vw,44px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.stat-item span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.84)}
.stat-note{margin-top:32px;font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.news-card{grid-column:span 3;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-s);transition:transform .28s ease,box-shadow .28s ease}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.news-card--lead{grid-column:span 6;grid-row:span 2}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--accent-soft)}
.news-card--lead .news-thumb{aspect-ratio:16/9;flex:0 0 auto}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card--lead .news-body{padding:26px 30px 30px}
.badge-cat{align-self:flex-start;display:inline-flex;align-items:center;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:700;background:rgba(159,217,204,.36);color:var(--brand-deep);border:1px solid rgba(15,90,80,.14)}
.news-title{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card--lead .news-title{font-size:clamp(20px,2vw,25px);-webkit-line-clamp:3}
.news-excerpt{color:var(--ink-2);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-empty{grid-column:span 12;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-lg);padding:54px 32px;text-align:center;box-shadow:var(--shadow-s)}
.news-empty svg{margin:0 auto 14px}
.news-empty p{color:var(--ink-2);margin-bottom:20px}

/* ---------- 客户案例 横向 snap ---------- */
.case-track{display:flex;gap:24px;overflow-x:auto;padding:6px 40px 26px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.case-track::-webkit-scrollbar{height:6px}
.case-track::-webkit-scrollbar-thumb{background:var(--brand-light);border-radius:999px}
.case-card{flex:0 0 344px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-s);transition:transform .28s ease,box-shadow .28s ease}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case-card .case-body{padding:22px 24px 26px}
.case-card h3{margin-bottom:8px}
.case-card p{color:var(--ink-2);font-size:14.5px;line-height:1.75}
.case-badge{display:inline-flex;align-items:center;gap:6px;margin-top:18px;background:var(--accent);color:#fff;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- 服务方案：时间线 + 配图 ---------- */
.plan-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start}
.plan-head{margin-bottom:34px}
.plan-head p{color:var(--ink-2);margin-top:12px;max-width:560px}
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--brand),var(--brand-light))}
.timeline li{position:relative;padding:0 0 30px 0}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-33px;top:8px;width:20px;height:20px;border-radius:999px;background:#fff;border:3px solid var(--brand)}
.timeline .step-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.timeline h3{margin:4px 0 6px}
.timeline p{color:var(--ink-2);font-size:14.5px;line-height:1.75}
.plan-media{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-s)}
.plan-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-img)}
.plan-points{margin-top:20px;display:grid;gap:12px}
.plan-points li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);line-height:1.7}
.plan-points .dot{flex-shrink:0;width:20px;height:20px;border-radius:999px;background:var(--accent-soft);color:#B85F12;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:4px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:52px;align-items:start}
.faq-intro p{color:var(--ink-2);margin-top:14px;max-width:420px}
.faq-intro .btn{margin-top:26px}
.faq-list{display:grid;gap:14px}
details.faq{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-s);transition:background .24s ease,border-color .24s ease}
details.faq[open]{background:rgba(253,231,211,.32);border-color:rgba(242,135,43,.4);border-left:3px solid var(--accent)}
details.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-weight:700;font-size:16px;min-height:44px}
details.faq summary::-webkit-details-marker{display:none}
details.faq .chev{flex-shrink:0;width:22px;height:22px;transition:transform .26s ease;color:var(--brand)}
details.faq[open] .chev{transform:rotate(180deg)}
details.faq .faq-body{padding:0 24px 22px;color:var(--ink-2);font-size:15px;line-height:1.85}

/* ---------- 联系区 ---------- */
.contact-section{padding:104px 0}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow-l);overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr}
.contact-info{background:var(--grad-brand);color:#fff;padding:48px 44px;position:relative;overflow:hidden}
.contact-info::before{content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:999px;background:rgba(255,255,255,.09)}
.contact-info h2{color:#fff;font-size:clamp(22px,2.2vw,28px)}
.contact-info p{color:rgba(255,255,255,.85);margin-top:14px;font-size:15px}
.contact-ways{margin-top:34px;display:grid;gap:18px;position:relative;z-index:2}
.contact-ways li{display:flex;gap:14px;align-items:flex-start}
.contact-ways .ico{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center}
.contact-ways b{display:block;font-size:14px}
.contact-ways span{font-size:13.5px;color:rgba(255,255,255,.8)}
.contact-form{padding:48px 44px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:8px}
.req{color:var(--accent)}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);padding:13px 16px;font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,135,43,.26)}
.field textarea{min-height:118px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand)}
.form-note{margin-top:14px;font-size:13px;color:var(--ink-3)}
.form-msg{margin-top:14px;font-size:13.5px;color:var(--brand-mid);display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.86);padding:72px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;max-width:320px}
.footer-contact{margin-top:20px;display:grid;gap:8px;font-size:14px;color:rgba(255,255,255,.8)}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700}
.site-footer li{margin-bottom:11px;font-size:14px}
.site-footer a{color:rgba(255,255,255,.76)}
.site-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.62)}
.top-link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.78);font-size:13px}
.top-link:hover{color:#fff}
.social-row{display:flex;gap:12px;margin-top:20px}
.social-row a{width:38px;height:38px;border-radius:999px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;color:#fff}
.social-row a:hover{background:rgba(255,255,255,.24)}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:44px;padding:72px 0 64px}
  .plan-wrap,.faq-wrap{grid-template-columns:1fr;gap:36px}
  .news-card{grid-column:span 6}
  .news-card--lead{grid-column:span 12;grid-row:auto}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .contact-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .case-track{padding-left:24px;padding-right:24px}
}
@media (max-width:1024px){
  .section{padding:78px 0}
  .section-tight{padding:60px 0}
  .container{padding:0 24px}
  .nav-search{max-width:300px}
}
@media (max-width:860px){
  .nav-search{display:none}
  .nav-cta{margin-left:auto}
}
@media (max-width:760px){
  .section{padding:56px 0}
  .contact-section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px}
  .service-row{grid-template-columns:52px 1fr;gap:16px;padding:20px 22px}
  .service-arrow{display:none}
  .news-card,.news-card--lead{grid-column:span 12}
  .news-card--lead .news-thumb{aspect-ratio:16/10}
  .field-row{grid-template-columns:1fr}
  .contact-info,.contact-form{padding:34px 24px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .stat-band{padding:56px 0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo{font-size:17px}
  .logo-mark{width:32px;height:32px;border-radius:10px;font-size:13px}
  .hero-badge{min-width:calc(50% - 7px);padding:14px 16px}
  .case-card{flex:0 0 282px}
  .case-track{padding-left:16px;padding-right:16px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
    --brand:#0F5A50;
    --brand-deep:#0A3F38;
    --brand-mid:#14786A;
    --brand-light:#9FD9CC;
    --accent:#F2872B;
    --accent-soft:#FDE7D3;
    --bg:#F6F4EF;
    --surface:#FFFFFF;
    --ink:#12211F;
    --ink-2:#5A6A67;
    --ink-3:#8C9A97;
    --line:#E4E1D8;
    --grad-brand:linear-gradient(120deg,#0F5A50 0%,#14786A 48%,#1F9E86 100%);
    --grad-accent:linear-gradient(120deg,#F2872B,#F5A65B);
    --shadow-s:0 1px 2px rgba(15,58,50,.06), 0 8px 24px -12px rgba(15,58,50,.18);
    --shadow-l:0 24px 60px -28px rgba(15,58,50,.35);
    --radius-l:24px;
    --radius-m:18px;
    --radius-s:12px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:150px;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    font-weight:400;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:var(--brand);text-decoration:none;transition:color .2s ease}
  a:hover{color:var(--brand-mid)}
  h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.35}
  p{margin:0}
  button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px}

  html body .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){ html body .container{padding-left:32px;padding-right:32px} }
  @media (min-width:1280px){ html body .container{padding-left:40px;padding-right:40px} }

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 2px rgba(15,58,50,.05);
  }
  .nav-top-inner{display:flex;align-items:center;gap:18px;height:68px}
  .logo{
    display:inline-flex;align-items:center;gap:10px;
    font-size:19px;font-weight:800;color:var(--brand-deep);
    white-space:nowrap;
  }
  .logo:hover{color:var(--brand-mid)}
  .logo-mark{
    width:36px;height:36px;border-radius:12px;
    background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;
    font-size:13px;font-weight:800;letter-spacing:.04em;flex:0 0 auto;
  }
  .nav-search{
    flex:1 1 auto;max-width:420px;min-width:0;
    display:flex;align-items:center;gap:6px;
    background:#EFEDE6;border:1px solid transparent;
    border-radius:999px;padding:4px 6px 4px 16px;
    transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .nav-search:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,135,43,.16)}
  .nav-search input{
    flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
    height:36px;font-size:14px;color:var(--ink);
  }
  .nav-search input::placeholder{color:var(--ink-3)}
  .nav-search button{
    width:36px;height:36px;flex:0 0 auto;border:0;border-radius:999px;
    background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;
    transition:background .2s ease,transform .2s ease;
  }
  .nav-search button:hover{background:var(--brand-mid);transform:translateY(-1px)}
  .nav-cta{flex:0 0 auto}
  .nav-tabs{border-top:1px solid var(--line);background:#fff}
  .nav-tabs-inner{
    display:flex;gap:10px;align-items:center;
    padding-top:10px;padding-bottom:10px;
    overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .nav-tabs-inner::-webkit-scrollbar{display:none}
  .tab{
    flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
    min-height:38px;padding:0 18px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--ink-2);
    background:#FAF9F5;border:1px solid var(--line);
    transition:background .2s ease,color .2s ease,border-color .2s ease;
  }
  .tab:hover{background:#E7F4F0;color:var(--brand-deep);border-color:var(--brand-light)}
  .tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
  .tab.active:hover{background:var(--brand-mid);color:#fff}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:999px;
    font-size:15px;font-weight:600;cursor:pointer;
    border:1px solid transparent;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  }
  .btn-primary{
    background:var(--grad-accent);color:#fff;
    box-shadow:0 10px 24px -14px rgba(242,135,43,.9);
  }
  .btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 16px 30px -14px rgba(242,135,43,.95)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--brand-deep);border-color:var(--brand-light)}
  .btn-ghost:hover{background:#E7F4F0;border-color:var(--brand-mid);color:var(--brand-deep)}
  .btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
  .btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff}
  .btn-sm{min-height:38px;padding:0 16px;font-size:14px}

  .link-more{
    font-size:14px;font-weight:600;color:var(--brand);
    display:inline-flex;align-items:center;gap:6px;
  }
  .link-more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

  /* ============ 面包屑 / 文章头 ============ */
  .article-hero{
    background:
      radial-gradient(1100px 320px at 12% -10%, rgba(31,158,134,.18), rgba(31,158,134,0) 70%),
      linear-gradient(180deg,#EDF6F3 0%, rgba(246,244,239,0) 100%);
    padding-bottom:8px;
  }
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:7px;
    font-size:13px;color:var(--ink-3);padding:20px 0 0;
  }
  .breadcrumb a{color:var(--ink-2)}
  .breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
  .breadcrumb .sep{color:#C6C2B6}
  .breadcrumb .current{color:var(--brand);font-weight:600}

  .article-title{
    font-size:clamp(27px,3.6vw,42px);
    font-weight:800;line-height:1.34;
    margin-top:16px;color:var(--ink);
    max-width:960px;
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
    margin-top:18px;font-size:13px;color:var(--ink-2);
  }
  .meta-item{display:inline-flex;align-items:center;gap:7px}
  .meta-item svg{color:var(--brand-mid);flex:0 0 auto}
  .tag{
    display:inline-flex;align-items:center;gap:6px;
    min-height:32px;padding:0 14px;border-radius:999px;
    background:#E7F4F0;border:1px solid var(--brand-light);
    color:var(--brand-deep);font-size:13px;font-weight:600;
  }
  .tag:hover{background:#D6EDE7;color:var(--brand-deep)}

  .cover-figure{
    margin:28px 0 0;border-radius:20px;overflow:hidden;
    background:#E7F4F0;box-shadow:var(--shadow-s);
  }
  .cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

  /* ============ 文章布局 ============ */
  .article-layout{display:grid;gap:38px;padding:40px 0 0;align-items:start}
  @media (min-width:1024px){
    .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:48px}
  }
  .article-main{min-width:0}
  .article-body{
    max-width:790px;
    font-size:17px;line-height:1.9;color:#22302E;
    word-break:break-word;
  }
  .article-body p{margin:0 0 1.2em}
  .article-body strong{font-weight:700;color:var(--ink)}
  .article-body h2{
    position:relative;
    font-size:clamp(20px,2.2vw,26px);font-weight:800;
    margin:2.1em 0 .85em;padding-left:16px;
    scroll-margin-top:150px;line-height:1.45;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;
    border-radius:999px;background:var(--grad-accent);
  }
  .article-body h3{font-size:19px;font-weight:700;margin:1.7em 0 .7em;color:var(--ink)}
  .article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.25em}
  .article-body li{margin:.42em 0}
  .article-body img{border-radius:20px;margin:1.6em auto;height:auto}
  .article-body figure{margin:1.8em 0}
  .article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
  .article-body blockquote{
    margin:1.6em 0;padding:16px 22px;
    background:#EFF6F4;border-left:4px solid var(--brand-mid);
    border-radius:0 12px 12px 0;color:var(--ink-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
  .article-body th{
    background:#EFF6F4;text-align:left;padding:12px 14px;
    font-weight:700;color:var(--brand-deep);border-bottom:1px solid var(--line);
  }
  .article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
  .article-body a{text-decoration:underline;text-underline-offset:3px;font-weight:500}
  .article-body a:hover{color:var(--accent)}
  .article-body code{background:#F1EFE9;padding:2px 6px;border-radius:6px;font-size:.92em}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

  /* 侧栏目录 */
  .toc{
    background:var(--surface);border:1px solid var(--line);
    border-radius:18px;padding:20px 20px 18px;box-shadow:var(--shadow-s);
  }
  @media (min-width:1024px){ .toc{position:sticky;top:150px} }
  .toc-title{
    display:flex;align-items:center;justify-content:space-between;
    font-size:15px;font-weight:700;color:var(--brand-deep);
  }
  .toc-title span.dot{
    width:8px;height:8px;border-radius:999px;background:var(--accent);display:inline-block;
  }
  .toc-list{list-style:none;margin:14px 0 0;padding:0}
  .toc-list li{margin:0 0 3px}
  .toc-list a{
    display:block;padding:7px 10px;border-radius:10px;
    font-size:13.5px;line-height:1.55;color:var(--ink-2);
    transition:background .2s ease,color .2s ease,padding .2s ease;
  }
  .toc-list a:hover{background:#E7F4F0;color:var(--brand-deep);padding-left:15px}
  .toc-note{
    margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
    font-size:13px;color:var(--ink-3);line-height:1.7;
  }
  .toc-note a{font-weight:600}

  .article-foot{
    margin-top:38px;padding:22px 24px;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
    display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
    box-shadow:var(--shadow-s);
  }
  .article-foot p{font-size:13.5px;color:var(--ink-2)}
  .article-foot .acts{display:flex;flex-wrap:wrap;gap:12px}

  .empty-state{
    background:var(--surface);border:1px dashed var(--brand-light);
    border-radius:var(--radius-l);padding:56px 26px;text-align:center;
    box-shadow:var(--shadow-s);
  }
  .empty-state .empty-icon{
    width:56px;height:56px;border-radius:18px;margin:0 auto 18px;
    background:#E7F4F0;color:var(--brand);display:grid;place-items:center;
  }
  .empty-state h3{font-size:20px;font-weight:800;margin-bottom:10px}
  .empty-state p{color:var(--ink-2);font-size:15px;max-width:460px;margin:0 auto 22px}

  /* ============ 通用板块 ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:78px 0} }
  .section-head{
    display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
    gap:18px;margin-bottom:30px;
  }
  .section-head h2{font-size:clamp(22px,2.6vw,31px);font-weight:800}
  .eyebrow{
    display:block;font-size:13px;font-weight:700;letter-spacing:.16em;
    color:var(--brand-mid);text-transform:uppercase;margin-bottom:10px;
  }

  /* 推荐卡 */
  .card-grid{display:grid;gap:22px}
  @media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))} }
  .post-card{
    position:relative;display:flex;flex-direction:column;
    background:var(--surface);border:1px solid var(--line);
    border-radius:var(--radius-l);overflow:hidden;color:inherit;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .post-card::before{
    content:"";position:absolute;left:0;right:0;top:0;height:4px;
    background:var(--grad-brand);
  }
  .post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:#D3E7E1;color:inherit}
  .post-card-img{aspect-ratio:16/10;overflow:hidden;background:#E7F4F0}
  .post-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
  .post-card:hover .post-card-img img{transform:scale(1.03)}
  .post-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
  .post-card-body h3{
    font-size:17px;font-weight:700;line-height:1.5;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-card-body p{
    font-size:14px;color:var(--ink-2);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-card-body time{font-size:13px;color:var(--ink-3);margin-top:auto}
  .badge-cat{
    display:inline-flex;align-items:center;min-height:26px;padding:0 10px;
    border-radius:999px;background:#E7F4F0;color:var(--brand-deep);
    font-size:12px;font-weight:700;letter-spacing:.02em;width:fit-content;
  }

  /* CTA 横幅 */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--radius-l);
    background:var(--grad-brand);color:#fff;
    padding:38px 32px;box-shadow:var(--shadow-l);
    display:grid;gap:22px;align-items:center;
  }
  .cta-band::after{
    content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;
    border-radius:999px;background:rgba(255,255,255,.09);
  }
  @media (min-width:900px){ .cta-band{grid-template-columns:minmax(0,1fr) auto;padding:44px 46px} }
  .cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;margin-bottom:12px;position:relative;z-index:1}
  .cta-band p{font-size:15px;color:rgba(255,255,255,.86);position:relative;z-index:1;max-width:640px}
  .cta-band .acts{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}

  /* FAQ */
  .faq-item{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    margin-bottom:12px;overflow:hidden;transition:background .25s ease,border-color .25s ease;
  }
  .faq-item summary{
    list-style:none;cursor:pointer;min-height:44px;
    display:flex;align-items:center;justify-content:space-between;gap:14px;
    padding:16px 20px;font-size:16px;font-weight:600;color:var(--ink);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary .chev{
    flex:0 0 auto;width:22px;height:22px;border-radius:999px;
    display:grid;place-items:center;background:#EFF6F4;color:var(--brand);
    transition:transform .25s ease,background .25s ease;
  }
  .faq-item[open]{border-left:3px solid var(--accent);background:rgba(253,231,211,.3)}
  .faq-item[open] summary .chev{transform:rotate(180deg);background:var(--accent-soft);color:var(--accent)}
  .faq-answer{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.85}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-deep);color:#D8E7E3;margin-top:64px;padding:56px 0 24px}
  .footer-grid{display:grid;gap:34px}
  @media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr} }
  .site-footer .logo{color:#fff}
  .site-footer .logo:hover{color:#fff}
  .site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
  .site-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
  .site-footer ul a{color:#B9D3CD;font-size:14px;display:inline-block;min-height:24px}
  .site-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .footer-brand p{font-size:14px;line-height:1.8;color:#AFCBC5;max-width:330px;margin:16px 0 0}
  .footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#9FC0B9;margin-top:16px}
  .social-row{display:flex;gap:10px;margin-top:18px}
  .social-row a{
    width:40px;height:40px;border-radius:12px;
    border:1px solid rgba(255,255,255,.18);color:#CFE4DF;
    display:grid;place-items:center;transition:background .2s ease,color .2s ease;
  }
  .social-row a:hover{background:rgba(255,255,255,.12);color:#fff}
  .footer-bottom{
    margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
    font-size:13px;color:#9FC0B9;
  }
  .footer-bottom a{color:#B9D3CD}
  .footer-bottom a:hover{color:#fff}

  .to-top{
    position:fixed;right:20px;bottom:24px;z-index:70;
    width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
    background:#fff;color:var(--brand-deep);display:grid;place-items:center;
    cursor:pointer;box-shadow:var(--shadow-s);
    opacity:0;visibility:hidden;transform:translateY(10px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background .2s ease;
  }
  .to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
  .to-top:hover{background:#E7F4F0}

  @media (max-width:767px){
    .nav-top-inner{height:auto;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;gap:12px}
    .nav-search{order:3;flex:1 1 100%;max-width:none}
    .nav-cta{min-height:40px;padding:0 16px;font-size:14px}
    .logo{font-size:17px}
    .article-hero{padding-bottom:4px}
  }

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  }

/* roulang page: category1 */
:root{
  --brand:#0F5A50;
  --brand-deep:#0A3F38;
  --brand-mid:#14786A;
  --brand-light:#9FD9CC;
  --accent:#F2872B;
  --accent-soft:#FDE7D3;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#12211F;
  --ink-2:#5A6A67;
  --ink-3:#8C9A97;
  --line:#E4E1D8;
  --grad-brand:linear-gradient(120deg,#0F5A50 0%,#14786A 48%,#1F9E86 100%);
  --grad-accent:linear-gradient(120deg,#F2872B,#F5A65B);
  --shadow-s:0 1px 2px rgba(15,58,50,.06),0 8px 24px -12px rgba(15,58,50,.18);
  --shadow-l:0 24px 60px -28px rgba(15,58,50,.35);
  --r-l:24px;
  --r-m:18px;
  --r-s:12px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease}
a:hover{color:var(--brand-mid)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:.01em;font-weight:800;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(246,244,239,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-top{background:rgba(255,255,255,.92);border-bottom:1px solid var(--line)}
.nav-top-inner{display:flex;align-items:center;gap:22px;min-height:68px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:.01em;color:var(--ink);
  min-height:44px;
}
.logo:hover{color:var(--brand)}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-size:12.5px;font-weight:800;letter-spacing:.04em;
}
.nav-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  background:#EFEDE6;border:1px solid transparent;border-radius:999px;
  padding:0 6px 0 18px;height:46px;transition:background .22s,border-color .22s,box-shadow .22s;
}
.nav-search:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,135,43,.16)}
.nav-search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--ink);min-width:0;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  flex:none;width:36px;height:36px;border:0;border-radius:50%;
  background:var(--grad-brand);color:#fff;cursor:pointer;
  display:grid;place-items:center;transition:transform .22s,filter .22s;
}
.nav-search button:hover{transform:translateY(-1px);filter:brightness(1.08)}
.nav-cta{margin-left:auto;white-space:nowrap}
.nav-tabs{position:relative;background:rgba(246,244,239,.96)}
.nav-tabs::before,.nav-tabs::after{
  content:"";position:absolute;top:0;bottom:0;width:26px;pointer-events:none;z-index:2;
}
.nav-tabs::before{left:0;background:linear-gradient(90deg,rgba(246,244,239,.98),rgba(246,244,239,0))}
.nav-tabs::after{right:0;background:linear-gradient(270deg,rgba(246,244,239,.98),rgba(246,244,239,0))}
.nav-tabs-inner{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding:10px 24px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.tab{
  flex:none;display:inline-flex;align-items:center;height:44px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background-color .22s,color .22s,border-color .22s,transform .22s;
}
.tab:hover{background:#E8F3F0;border-color:var(--brand-light);color:var(--brand);transform:translateY(-1px)}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.tab.active:hover{background:var(--brand-mid);color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s,box-shadow .22s,background-color .22s,color .22s,filter .22s;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 12px 26px -14px rgba(242,135,43,.85)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 32px -16px rgba(242,135,43,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:#E8F3F0;color:var(--brand);transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;opacity:.32;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,63,56,.96) 0%,rgba(15,90,80,.86) 46%,rgba(31,158,134,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:44px 24px 72px}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.8);min-height:32px;display:inline-flex;align-items:center}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--brand-light);font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);
  font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-title{
  margin:22px 0 0;max-width:22ch;
  font-size:clamp(30px,4.6vw,52px);font-weight:800;color:#fff;
}
.hero-sub{margin-top:18px;max-width:36ch;font-size:17px;color:rgba(255,255,255,.86)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badges{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:660px;margin-top:40px}
.stat-card{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-m);padding:18px 20px;
  backdrop-filter:blur(6px);
}
.stat-card strong{
  display:block;font-size:30px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:#fff;
}
.stat-card span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- 区块通用 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:#F1EFE8}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:42px}
.section-title{font-size:clamp(22px,2.6vw,34px);margin-top:14px}
.section-desc{margin-top:14px;max-width:62ch;color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:800;letter-spacing:.16em;
  color:var(--brand-mid);text-transform:uppercase;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.eyebrow-light{color:var(--brand-light)}

/* ---------- 编号行列表 ---------- */
.num-list{border-top:1px solid var(--line)}
.num-row{
  display:grid;grid-template-columns:76px minmax(0,1fr) 150px;
  align-items:center;gap:24px;
  padding:28px 22px;border-bottom:1px solid var(--line);border-radius:var(--r-s);
  transition:background-color .24s,box-shadow .24s,transform .24s;
}
.num-row:hover{background:#fff;box-shadow:var(--shadow-s);transform:translateY(-2px)}
.num-index{font-size:22px;font-weight:800;color:var(--brand-light);font-variant-numeric:tabular-nums}
.num-body h3{font-size:19px;margin-bottom:6px}
.num-body p{color:var(--ink-2);font-size:15px}
.num-link{
  justify-self:end;display:inline-flex;align-items:center;gap:7px;
  min-height:44px;font-size:14px;font-weight:700;color:var(--brand);
}
.num-link svg{transition:transform .24s ease}
.num-link:hover svg{transform:translateX(3px)}

/* ---------- 条目流 + 侧栏 ---------- */
.feed-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(280px,.95fr);gap:40px;align-items:start}
.feed-list{display:flex;flex-direction:column;gap:26px}
.feed-item{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:300px minmax(0,1fr);gap:26px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:26px;box-shadow:var(--shadow-s);
  transition:transform .26s,box-shadow .26s;
}
.feed-item::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand)}
.feed-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.feed-media{border-radius:20px;overflow:hidden;background:#E8F3F0}
.feed-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.feed-item:hover .feed-media img{transform:scale(1.03)}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;font-size:13px;color:var(--ink-3)}
.badge{display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:700}
.badge-cat{background:#E8F3F0;color:var(--brand)}
.badge-accent{background:var(--accent-soft);color:#8A4712}
.feed-body h3{font-size:20px;margin-bottom:10px}
.feed-body p{color:var(--ink-2);font-size:15.5px}
.dot-list{margin:14px 0 10px;display:flex;flex-direction:column;gap:8px}
.dot-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2)}
.dot-list li::before{content:"";position:absolute;left:0;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.text-link{display:inline-flex;align-items:center;gap:7px;min-height:44px;font-size:14px;font-weight:700}
.text-link svg{transition:transform .24s ease}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.text-link:hover svg{transform:translateX(3px)}

.feed-aside{position:sticky;top:140px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--shadow-s);
}
.aside-card h3{font-size:16.5px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.aside-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 0;border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--ink-2);
}
.aside-list li:last-child{border-bottom:0;padding-bottom:0}
.aside-list strong{color:var(--ink);font-variant-numeric:tabular-nums;font-weight:800}
.anchor-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 14px;margin-bottom:8px;border-radius:var(--r-s);
  background:#F3F1EA;font-size:14.5px;font-weight:600;color:var(--ink-2);
}
.anchor-list a:last-child{margin-bottom:0}
.anchor-list a:hover{background:#E8F3F0;color:var(--brand)}
.aside-cta{background:var(--grad-brand);border-color:transparent;color:#fff}
.aside-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.24)}
.aside-cta p{font-size:14px;color:rgba(255,255,255,.84);margin-bottom:16px}

/* ---------- 深底机制区 ---------- */
.band{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff;padding:var(--sec) 0}
.band-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.14;
}
.band .container{position:relative;z-index:2}
.band-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:52px;align-items:start}
.band-lead h2{color:#fff;font-size:clamp(22px,2.6vw,34px);margin:14px 0 16px}
.band-lead p{color:rgba(255,255,255,.78);font-size:16px;max-width:46ch}
.steps{display:flex;flex-direction:column;gap:14px}
.steps li{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:start;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-m);padding:20px 22px;
  transition:background-color .24s,transform .24s;
}
.steps li:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.step-no{font-size:20px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.steps h3{color:#fff;font-size:17px;margin-bottom:6px}
.steps p{color:rgba(255,255,255,.76);font-size:14.5px}
.band-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
  margin-top:48px;padding-top:36px;border-top:1px solid rgba(255,255,255,.18);
}
.band-stat strong{display:block;font-size:34px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1}
.band-stat span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.72)}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:52px;align-items:start}
.faq-head .btn{margin-top:26px}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-list details{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:0 22px;box-shadow:var(--shadow-s);
  transition:background-color .26s,border-color .26s;
}
.faq-list details::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--accent);opacity:0;transition:opacity .26s;
}
.faq-list details[open]{background:rgba(253,231,211,.32);border-color:#F0D6B8}
.faq-list details[open]::before{opacity:1}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary .chev{flex:none;color:var(--brand-mid);transition:transform .3s ease}
.faq-list details[open] summary .chev{transform:rotate(180deg)}
.faq-list details p{padding:0 0 22px;color:var(--ink-2);font-size:15px;max-width:70ch}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:44px;align-items:center;
  background:var(--grad-brand);color:#fff;
  border-radius:32px;padding:56px;box-shadow:var(--shadow-l);
}
.cta-card::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;
  border-radius:50%;background:rgba(255,255,255,.08);
}
.cta-text h2{color:#fff;font-size:clamp(22px,2.6vw,32px)}
.cta-text p{margin-top:16px;color:rgba(255,255,255,.86);font-size:16px;max-width:44ch}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-points li{border:1px solid rgba(255,255,255,.42);border-radius:999px;padding:7px 15px;font-size:13.5px;color:#fff}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px}
.cta-note{font-size:13px;color:rgba(255,255,255,.75)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:66px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:var(--brand-light)}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.72);max-width:36ch}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.7)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer ul li a{
  display:inline-flex;align-items:center;min-height:36px;
  font-size:14.5px;color:rgba(255,255,255,.78);
}
.site-footer ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{
  width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);
  display:grid;place-items:center;color:#fff;
}
.social-row a:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:7px;min-height:44px;color:#fff;font-weight:600}
.to-top:hover{color:var(--brand-light)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:68px}
  .feed-grid{grid-template-columns:minmax(0,1fr)}
  .feed-aside{position:static}
  .band-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:40px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .band-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .nav-top-inner{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0}
  .nav-search{order:3;max-width:none;width:100%}
  .nav-cta{margin-left:auto;min-height:44px;padding:0 18px;font-size:14px}
  .nav-tabs-inner{padding:10px 16px}
  .num-row{grid-template-columns:52px minmax(0,1fr);gap:16px;padding:22px 14px}
  .num-link{grid-column:2;justify-self:start}
  .feed-item{grid-template-columns:minmax(0,1fr);padding:20px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-inner{padding:34px 16px 58px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
}
@media (max-width:520px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .hero-actions .btn{width:100%}
  .stat-card strong{font-size:26px}
  .band-stat strong{font-size:28px}
  .cta-card{padding:28px 22px;border-radius:24px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
    --brand:#0F5A50;
    --brand-deep:#0A3F38;
    --brand-mid:#14786A;
    --brand-light:#9FD9CC;
    --accent:#F2872B;
    --accent-soft:#FDE7D3;
    --bg:#F6F4EF;
    --surface:#FFFFFF;
    --ink:#12211F;
    --ink-2:#5A6A67;
    --ink-3:#8C9A97;
    --line:#E4E1D8;
    --grad-brand:linear-gradient(120deg,#0F5A50 0%,#14786A 48%,#1F9E86 100%);
    --grad-cta:linear-gradient(120deg,#F2872B,#F5A65B);
    --shadow-s:0 1px 2px rgba(15,58,50,.06), 0 8px 24px -12px rgba(15,58,50,.18);
    --shadow-l:0 24px 60px -28px rgba(15,58,50,.35);
    --r-lg:24px;
    --r-md:18px;
    --r-sm:12px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:136px;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    font-weight:400;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.01em;color:var(--ink)}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  a{color:var(--brand-mid);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,transform .22s ease}
  a:hover{color:var(--accent)}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
  }
  .num{font-variant-numeric:tabular-nums;font-weight:800}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

  /* ============ 头部双层导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(246,244,239,.95);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-top-inner{display:flex;align-items:center;gap:18px;height:68px}
  .logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--brand-deep);letter-spacing:.01em;min-height:44px}
  .logo:hover{color:var(--brand-deep)}
  .logo-mark{
    width:34px;height:34px;border-radius:11px;flex:0 0 auto;
    background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.06em;
    box-shadow:0 6px 16px -8px rgba(15,90,80,.7);
  }
  .nav-search{
    flex:1 1 auto;max-width:400px;margin-left:auto;
    display:flex;align-items:center;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:999px;
    padding:4px 5px 4px 16px;transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
  }
  .nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--accent-soft)}
  .nav-search input{flex:1;min-width:0;height:36px;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
  .nav-search input::placeholder{color:var(--ink-3)}
  .nav-search button{
    width:36px;height:36px;flex:0 0 auto;border:0;border-radius:999px;cursor:pointer;
    background:var(--brand);color:#fff;display:grid;place-items:center;
    transition:background .22s ease,transform .22s ease;
  }
  .nav-search button:hover{background:var(--brand-mid);transform:translateY(-1px)}
  .nav-cta{flex:0 0 auto}
  .nav-tabs{border-top:1px solid var(--line);background:rgba(255,255,255,.72)}
  .nav-tabs-inner{
    display:flex;gap:10px;padding:10px 24px;overflow-x:auto;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-tabs-inner::-webkit-scrollbar{display:none}
  .tab{
    flex:0 0 auto;display:inline-flex;align-items:center;
    min-height:38px;padding:8px 18px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--ink-2);
    background:#fff;border:1px solid var(--line);
    transition:all .22s ease;
  }
  .tab:hover{background:var(--brand-light);color:var(--brand-deep);border-color:var(--brand-light)}
  .tab.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px -12px rgba(15,90,80,.9)}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:46px;padding:0 26px;border-radius:999px;
    font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
    border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 14px 30px -18px rgba(242,135,43,.95)}
  .btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 20px 34px -18px rgba(242,135,43,.95)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--brand-deep);border-color:rgba(15,90,80,.35)}
  .btn-ghost:hover{background:rgba(159,217,204,.28);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px)}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-mid)}
  .link-more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

  /* ============ Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;color:#fff;
    background:var(--brand-deep) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  }
  .page-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(120deg,rgba(10,63,56,.95) 0%,rgba(15,90,80,.88) 46%,rgba(31,158,134,.74) 100%);
  }
  .page-hero-inner{position:relative;z-index:2;padding:44px 0 68px}
  .crumb{font-size:13px;color:rgba(255,255,255,.78);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .crumb a{color:rgba(255,255,255,.86)}
  .crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .crumb .sep{opacity:.6}
  .crumb .now{color:var(--brand-light);font-weight:700}
  .hero-title{
    margin-top:20px;color:#fff;
    font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.22;letter-spacing:.01em;
    max-width:22ch;
  }
  .hero-sub{margin-top:16px;font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.9);max-width:34ch;line-height:1.8}
  .hero-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
  .hero-badges{margin-top:40px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:760px}
  .hero-badge{
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
    border-radius:var(--r-md);padding:16px 18px;backdrop-filter:blur(6px);
  }
  .hero-badge .hb-num{font-size:clamp(24px,3vw,32px);line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;font-weight:800}
  .hero-badge .hb-num small{font-size:14px;font-weight:700;margin-left:4px;color:var(--brand-light)}
  .hero-badge .hb-txt{margin-top:6px;font-size:13px;color:rgba(255,255,255,.82);line-height:1.6}

  /* ============ 通用板块 ============ */
  .sec{padding:72px 0}
  .sec-tight{padding:56px 0}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-mid);
    background:rgba(159,217,204,.32);border-radius:999px;padding:5px 14px;
  }
  .sec-title{margin-top:14px;font-size:clamp(22px,2.6vw,34px)}
  .sec-desc{margin-top:12px;max-width:62ch;color:var(--ink-2);font-size:15.5px}
  .lead{color:var(--ink-2);font-size:16px;line-height:1.85}

  /* ============ 筛选 pill ============ */
  .filter-bar{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-lg);box-shadow:var(--shadow-s);
    padding:14px 18px;margin-top:-34px;z-index:5;
  }
  .filter-inner{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
  .filter-inner::-webkit-scrollbar{display:none}
  .pill{
    flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
    min-height:40px;padding:8px 18px;border-radius:999px;
    font-size:14px;font-weight:600;color:var(--brand-deep);
    background:rgba(159,217,204,.26);border:1px solid transparent;
    transition:all .22s ease;
  }
  .pill:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
  .pill .dot{width:6px;height:6px;border-radius:999px;background:var(--accent)}

  /* ============ 服务能力网格卡 ============ */
  .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .card{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-lg);box-shadow:var(--shadow-s);
    padding:28px;overflow:hidden;
    transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  }
  .card::before{
    content:"";position:absolute;left:0;right:0;top:0;height:4px;
    background:var(--grad-brand);opacity:.9;
  }
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:rgba(15,90,80,.22)}
  .card-ico{
    width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
    background:rgba(159,217,204,.4);color:var(--brand-deep);
  }
  .card h3{margin-top:18px;font-size:19px}
  .card p{margin-top:10px;color:var(--ink-2);font-size:15px;line-height:1.8}
  .card-tag{
    display:inline-block;margin-top:16px;font-size:13px;font-weight:700;
    color:var(--brand-mid);background:rgba(159,217,204,.3);
    border-radius:999px;padding:4px 12px;
  }

  /* ============ 流程步骤条 ============ */
  .process-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-s);padding:30px 28px}
  .process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
  .step{position:relative;padding-top:6px}
  .step-no{
    font-size:20px;font-weight:800;color:var(--brand-light);
    font-variant-numeric:tabular-nums;letter-spacing:.02em;
  }
  .step-bar{margin-top:10px;height:4px;border-radius:999px;background:linear-gradient(120deg,#0F5A50,#1F9E86);opacity:.85}
  .step h3{margin-top:14px;font-size:16.5px}
  .step p{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.75}

  /* ============ 深底数据横幅 ============ */
  .banner{
    background:var(--grad-brand);color:#fff;border-radius:var(--r-lg);
    padding:38px 30px;box-shadow:var(--shadow-l);
    position:relative;overflow:hidden;
  }
  .banner::after{
    content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
    border-radius:50%;background:rgba(255,255,255,.08);
  }
  .banner-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
  .stat .s-num{font-size:clamp(28px,3.4vw,40px);line-height:1.05;font-variant-numeric:tabular-nums;font-weight:800;color:#fff}
  .stat .s-num small{font-size:14px;font-weight:700;margin-left:5px;color:var(--brand-light)}
  .stat .s-txt{margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.85);line-height:1.6}
  .banner-note{position:relative;z-index:2;margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.22);font-size:13px;color:rgba(255,255,255,.78)}

  /* ============ 场景图文 ============ */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
  .figure{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-l);position:relative}
  .figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .32s ease}
  .figure:hover img{transform:scale(1.03)}
  .figure figcaption{
    position:absolute;left:14px;bottom:14px;right:14px;
    background:rgba(10,63,56,.72);color:#fff;border-radius:12px;
    padding:8px 14px;font-size:12.5px;backdrop-filter:blur(6px);
  }
  .scene-list{display:grid;gap:14px;margin-top:22px}
  .scene-item{
    display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--shadow-s);
    transition:transform .24s ease,box-shadow .24s ease;
  }
  .scene-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
  .scene-item .si-ico{width:38px;height:38px;flex:0 0 auto;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
  .scene-item h3{font-size:16.5px}
  .scene-item p{margin-top:4px;font-size:14px;color:var(--ink-2);line-height:1.72}

  /* ============ 服务细则表（无竖线） ============ */
  .table-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-s);overflow:hidden}
  .table-scroll{overflow-x:auto}
  table{width:100%;border-collapse:collapse;min-width:640px}
  thead th{
    background:rgba(159,217,204,.24);color:var(--brand-deep);
    font-size:14px;font-weight:700;text-align:left;padding:16px 20px;white-space:nowrap;
  }
  tbody td{padding:16px 20px;font-size:14.5px;color:var(--ink-2);border-top:1px solid var(--line);vertical-align:top}
  tbody td strong{color:var(--ink);font-weight:700}
  tbody tr:hover td{background:rgba(246,244,239,.75)}

  /* ============ FAQ ============ */
  .faq-list{display:grid;gap:14px}
  details{
    background:var(--surface);border:1px solid var(--line);border-radius:16px;
    padding:0 22px;box-shadow:var(--shadow-s);transition:background .24s ease,border-color .24s ease;
  }
  details[open]{background:rgba(253,231,211,.3);border-color:rgba(242,135,43,.4)}
  details summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 0;font-size:16.5px;font-weight:700;color:var(--ink);min-height:44px;
  }
  details summary::-webkit-details-marker{display:none}
  details summary .arrow{
    width:26px;height:26px;flex:0 0 auto;border-radius:999px;display:grid;place-items:center;
    background:rgba(159,217,204,.4);color:var(--brand-deep);
    transition:transform .26s ease,background .26s ease;
  }
  details[open] summary .arrow{transform:rotate(180deg);background:var(--accent);color:#fff}
  details .faq-body{
    padding:0 0 22px 18px;border-left:3px solid var(--accent);
    color:var(--ink-2);font-size:15px;line-height:1.85;
  }

  /* ============ CTA ============ */
  .cta-card{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    background:var(--grad-brand);color:#fff;padding:44px 36px;
    box-shadow:var(--shadow-l);
  }
  .cta-card::after{
    content:"";position:absolute;left:-80px;bottom:-100px;width:300px;height:300px;
    border-radius:50%;background:rgba(255,255,255,.07);
  }
  .cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
  .cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
  .cta-card p{margin-top:14px;color:rgba(255,255,255,.88);font-size:15.5px;max-width:52ch}
  .cta-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px}
  .cta-side{display:grid;gap:12px}
  .cta-item{
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
    border-radius:var(--r-md);padding:14px 18px;font-size:14px;color:#fff;
  }
  .cta-item span{display:block;font-size:12.5px;color:var(--brand-light);font-weight:700;margin-bottom:2px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);margin-top:24px;padding:60px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
  .site-footer .logo{color:#fff}
  .site-footer .logo:hover{color:#fff}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.76);max-width:38ch}
  .footer-contact{margin-top:16px;display:grid;gap:6px;font-size:13.5px;color:rgba(255,255,255,.72)}
  .site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.02em}
  .site-footer ul{display:grid;gap:10px}
  .site-footer ul a{color:rgba(255,255,255,.78);font-size:14px}
  .site-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .social-row{margin-top:18px;display:flex;gap:10px}
  .social-row a{
    width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;
  }
  .social-row a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
  .footer-bottom{
    margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    font-size:13px;color:rgba(255,255,255,.62);
  }
  .footer-bottom a{color:rgba(255,255,255,.78)}
  .footer-bottom a:hover{color:#fff}
  .to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px}

  /* ============ 响应式 ============ */
  @media (max-width:1024px){
    .sec{padding:60px 0}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .process{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
    .banner-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .split{grid-template-columns:1fr;gap:30px}
    .cta-grid{grid-template-columns:1fr;gap:26px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  }
  @media (max-width:768px){
    .container{padding:0 18px}
    .nav-top-inner{height:62px;gap:12px}
    .nav-search{display:none}
    .nav-cta{padding:0 18px;min-height:42px;font-size:14px}
    .logo span:last-child{font-size:16.5px}
    .page-hero-inner{padding:32px 0 56px}
    .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none}
    .grid-3,.grid-2{grid-template-columns:1fr}
    .sec{padding:52px 0}
    .sec-head{margin-bottom:26px}
    .filter-bar{margin-top:-26px;padding:12px 14px}
    .cta-card{padding:32px 22px}
    .banner{padding:30px 22px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .site-footer{padding:48px 0 22px}
  }
  @media (max-width:520px){
    body{font-size:15.5px}
    .hero-badges{grid-template-columns:1fr 1fr;gap:12px}
    .hero-badge{padding:14px}
    .process{grid-template-columns:1fr}
    .banner-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .btn{width:100%}
    .hero-actions .btn,.cta-actions .btn{width:100%}
    .nav-cta{width:auto}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important}
    html{scroll-behavior:auto}
  }

/* roulang page: category3 */
:root{
  --brand:#0F5A50;
  --brand-deep:#0A3F38;
  --brand-mid:#14786A;
  --brand-light:#9FD9CC;
  --accent:#F2872B;
  --accent-soft:#FDE7D3;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --ink:#12211F;
  --ink-2:#5A6A67;
  --ink-3:#8C9A97;
  --line:#E4E1D8;
  --grad-brand:linear-gradient(120deg,#0F5A50 0%,#14786A 48%,#1F9E86 100%);
  --grad-cta:linear-gradient(120deg,#F2872B,#F5A65B);
  --shadow-s:0 1px 2px rgba(15,58,50,.06),0 8px 24px -12px rgba(15,58,50,.18);
  --shadow-l:0 24px 60px -28px rgba(15,58,50,.35);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-mid);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;line-height:1.34;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}
@media (max-width:520px){.container{padding:0 16px}}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.94);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-top-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--brand-deep);letter-spacing:.01em}
.logo:hover{color:var(--brand)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;letter-spacing:.06em;
}
.nav-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:6px;
  height:42px;padding:0 6px 0 16px;background:#fff;
  border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s,box-shadow .22s,background-color .22s;
}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  width:32px;height:32px;flex:0 0 32px;border:0;border-radius:999px;cursor:pointer;
  background:#EAF5F1;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .22s,color .22s;
}
.nav-search button:hover{background:var(--brand);color:#fff}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,135,43,.28)}
.nav-cta{margin-left:auto}
.nav-tabs{background:#fff;border-top:1px solid var(--line)}
.nav-tabs-inner{
  display:flex;align-items:center;gap:8px;
  padding:10px 24px;overflow-x:auto;
  -ms-overflow-style:none;scrollbar-width:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.tab{
  display:inline-flex;align-items:center;min-height:40px;padding:8px 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background-color .22s,color .22s,border-color .22s;
}
.tab:hover{background:rgba(159,217,204,.28);color:var(--brand-deep);border-color:var(--brand-light)}
.tab.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 20px -12px rgba(15,90,80,.85)}
@media (max-width:860px){
  .nav-top-inner{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .nav-cta{margin-left:auto}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .24s,background-color .24s,color .24s,border-color .24s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 26px -16px rgba(242,135,43,.95)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px -16px rgba(242,135,43,.95);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-deep);border-color:#C9DAD5}
.btn-ghost:hover{background:#EAF5F1;color:var(--brand-deep);border-color:var(--brand-light);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand);background:none;border:0;padding:0;min-height:44px}
.btn-link:hover{color:var(--accent)}
.btn-link svg{transition:transform .22s}
.btn-link:hover svg{transform:translateX(2px)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:#E7F3EF;color:var(--brand);border:1px solid #CFE7DF;
}
.badge-outline{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.34);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--accent);
}

/* 首屏 */
.page-hero{position:relative;overflow:hidden;background:var(--brand-deep)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.38;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(10,63,56,.95) 0%,rgba(15,90,80,.88) 46%,rgba(31,158,134,.72) 100%);
}
.page-hero .container{position:relative;z-index:1;padding-top:44px;padding-bottom:60px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:rgba(255,255,255,.68)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--brand-light)}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:var(--brand-light);font-weight:600}
.page-hero h1{
  margin-top:20px;color:#fff;font-size:clamp(30px,4.6vw,50px);max-width:22ch;line-height:1.26;
}
.hero-lead{margin-top:18px;font-size:17px;color:rgba(255,255,255,.84);max-width:60ch}
.hero-metrics{
  display:grid;gap:14px;margin-top:34px;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));max-width:760px;
}
.hero-metric{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  border-radius:16px;padding:16px 18px;backdrop-filter:blur(6px);
}
.hero-metric b{
  display:block;font-size:30px;font-weight:800;color:#fff;line-height:1.12;
  font-variant-numeric:tabular-nums;
}
.hero-metric b em{font-size:15px;font-style:normal;font-weight:700;margin-left:2px}
.hero-metric span{font-size:13px;color:rgba(255,255,255,.8)}
@media (max-width:520px){.hero-metrics{grid-template-columns:1fr 1fr}}

/* 板块 */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-tight{padding:48px 0}
.section-head{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:space-between;align-items:flex-end;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);color:var(--brand-deep)}
.section-head .sub{margin-top:12px;font-size:15.5px;color:var(--ink-2);max-width:62ch}

/* 数据横幅 */
.stat-band{background:linear-gradient(120deg,#0A3F38 0%,#0F5A50 52%,#14786A 100%);padding:52px 0;color:#fff}
.stat-grid{display:grid;gap:22px;grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:860px){.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat-item{border-left:2px solid rgba(159,217,204,.45);padding-left:16px}
.stat-item b{
  display:block;font-size:clamp(28px,3.2vw,38px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;color:#fff;
}
.stat-item b em{font-size:15px;font-style:normal;font-weight:700;margin-left:3px;color:var(--brand-light)}
.stat-item span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.76)}
.stat-note{
  margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.62);
}

/* 案例 zigzag */
.case-list{display:grid;gap:32px}
.case-row{
  display:grid;gap:26px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-s);
  transition:transform .28s ease,box-shadow .28s ease;
}
.case-row:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.case-media{border-radius:20px;overflow:hidden;background:#EAF5F1;aspect-ratio:16/10}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s ease}
.case-row:hover .case-media img{transform:scale(1.03)}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.case-body h3{font-size:clamp(18px,2vw,21px);color:var(--brand-deep)}
.case-body p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.result-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.result-chip{
  display:inline-flex;align-items:baseline;gap:6px;
  background:var(--grad-cta);color:#fff;border-radius:999px;padding:8px 16px;
  box-shadow:0 10px 22px -16px rgba(242,135,43,.95);
}
.result-chip b{font-size:24px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.result-chip span{font-size:12.5px;opacity:.95}
.case-points{margin-top:18px;display:grid;gap:8px}
.case-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2)}
.case-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--brand-light);
}
.case-foot{margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.case-foot .meta{font-size:13px;color:var(--ink-3)}
@media (min-width:900px){
  .case-row{grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:40px;padding:32px}
  .case-row.reverse .case-media{order:2}
  .case-row.reverse .case-body{order:1}
}

/* 表格 */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-s);
}
.data-table{width:100%;border-collapse:collapse;min-width:720px}
.data-table th{
  background:#F1F6F4;color:var(--brand-deep);font-size:13.5px;font-weight:700;
  text-align:left;padding:15px 20px;white-space:nowrap;
}
.data-table td{
  padding:16px 20px;font-size:14.5px;color:var(--ink-2);
  border-top:1px solid var(--line);vertical-align:top;
}
.data-table td strong{display:block;color:var(--ink);font-weight:700;font-size:15px}
.data-table tbody tr{transition:background-color .2s}
.data-table tbody tr:hover{background:#FAFCFB}

/* 标签云 */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  display:inline-flex;align-items:center;min-height:40px;padding:9px 16px;
  border-radius:999px;border:1px dashed #BFD9D1;background:#fff;
  font-size:14px;font-weight:600;color:var(--brand);
  transition:background-color .22s,color .22s,border-color .22s,transform .22s;
}
.tag:hover{background:var(--brand);color:#fff;border-style:solid;border-color:var(--brand);transform:translateY(-2px)}

/* 步骤 */
.steps{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:26px;box-shadow:var(--shadow-s);
  transition:transform .26s,box-shadow .26s;
}
.step::before{
  content:"";position:absolute;left:26px;right:26px;top:0;height:4px;border-radius:0 0 6px 6px;
  background:var(--grad-brand);opacity:.9;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.step .num{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--accent);font-variant-numeric:tabular-nums}
.step h3{margin-top:12px;font-size:18px;color:var(--brand-deep)}
.step p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}

/* FAQ */
.faq-list{display:grid;gap:14px}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:0 20px;box-shadow:var(--shadow-s);
  transition:background-color .24s,border-color .24s;
}
details.faq[open]{background:rgba(253,231,211,.4);border-color:#F3CEA8}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 0;min-height:44px;font-size:16px;font-weight:700;color:var(--ink);
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .arrow{flex:0 0 auto;color:var(--brand-mid);transition:transform .28s ease}
details.faq[open] summary .arrow{transform:rotate(180deg)}
details.faq .faq-body{
  padding:0 0 20px 14px;margin-bottom:2px;
  border-left:3px solid var(--accent);
  font-size:15px;color:var(--ink-2);
}

/* CTA */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;
  background:linear-gradient(120deg,#0F5A50 0%,#14786A 52%,#1F9E86 100%);
  padding:44px;
  box-shadow:var(--shadow-l);
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.png) center/cover no-repeat;opacity:.18;
}
.cta-card > *{position:relative;z-index:1}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,32px);max-width:24ch}
.cta-card p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.84);max-width:64ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-card .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.42);color:#fff}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff}
.cta-notes{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2)}
.cta-notes span{font-size:13.5px;color:rgba(255,255,255,.78)}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.86);padding:64px 0 24px}
.footer-grid{display:grid;gap:36px}
@media (min-width:900px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}}
.footer-brand .logo{color:#fff}
.footer-brand .logo:hover{color:var(--brand-light)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:38ch}
.footer-contact{display:grid;gap:8px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.7)}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-row a{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.82);
  transition:background-color .22s,color .22s,border-color .22s;
}
.social-row a:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.4)}
.site-footer h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.02em}
.site-footer ul li{margin-bottom:11px}
.site-footer ul li a{font-size:14px;color:rgba(255,255,255,.7)}
.site-footer ul li a:hover{color:var(--brand-light)}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--brand-light)}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
    --brand:#0F5A50;--brand-deep:#0A3F38;--brand-mid:#14786A;--brand-light:#9FD9CC;
    --accent:#F2872B;--accent-soft:#FDE7D3;
    --bg:#F6F4EF;--surface:#FFFFFF;--ink:#12211F;--ink-2:#5A6A67;--ink-3:#8C9A97;--line:#E4E1D8;
    --shadow-s:0 1px 2px rgba(15,58,50,.06),0 8px 24px -12px rgba(15,58,50,.18);
    --shadow-l:0 24px 60px -28px rgba(15,58,50,.35);
    --grad-brand:linear-gradient(120deg,#0F5A50 0%,#14786A 48%,#1F9E86 100%);
    --grad-cta:linear-gradient(120deg,#F2872B,#F5A65B);
    --r-lg:24px;--r-md:18px;--r-sm:12px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:160px}
  body{
    margin:0;background:var(--bg);color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
    font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
  h1,h2,h3,h4{margin:0;letter-spacing:.01em;line-height:1.35}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
    outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;
  }
  .container{width:100%;max-width:1220px;margin:0 auto;padding:0 16px}
  @media (min-width:768px){ .container{padding:0 24px} }
  @media (min-width:1024px){ .container{padding:0 40px} }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;
    padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;
    cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  }
  .btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px -12px rgba(242,135,43,.7)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(242,135,43,.85)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--brand-deep);border-color:var(--brand-mid)}
  .btn-ghost:hover{background:rgba(159,217,204,.28);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-mid)}
  .btn-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}

  /* ============ 标签 / 徽章 ============ */
  .tag{
    display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
    font-size:12.5px;font-weight:600;background:rgba(159,217,204,.34);color:var(--brand-deep);
  }
  .tag-outline{background:transparent;border:1px solid rgba(15,90,80,.35);color:var(--brand-mid)}
  .tag-accent{background:var(--accent-soft);color:#B45A0C}

  /* ============ 导航 ============ */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .nav-top{padding:12px 0;border-bottom:1px solid rgba(228,225,216,.75)}
  .nav-top-inner{display:flex;align-items:center;gap:20px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand-deep);white-space:nowrap}
  .logo-mark{
    width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;
    display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.06em;flex:0 0 34px;
  }
  .nav-search{
    flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
    background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 6px 5px 16px;transition:.2s ease;
  }
  .nav-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;min-width:0}
  .nav-search input::placeholder{color:var(--ink-3)}
  .nav-search button{width:34px;height:34px;border-radius:50%;border:0;background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .2s}
  .nav-search button:hover{background:var(--brand-mid)}
  .nav-search:focus-within{background:#fff;border-color:var(--accent);box-shadow:0 0 0 2px rgba(242,135,43,.22)}
  .nav-cta{flex:0 0 auto}
  .nav-tabs-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 16px;scrollbar-width:none;scroll-behavior:smooth}
  @media (min-width:768px){ .nav-tabs-inner{padding:10px 24px} }
  @media (min-width:1024px){ .nav-tabs-inner{padding:10px 40px} }
  .nav-tabs-inner::-webkit-scrollbar{display:none}
  .tab{
    flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
    color:var(--ink-2);background:#fff;border:1px solid var(--line);white-space:nowrap;transition:.2s ease;
  }
  .tab:hover{background:rgba(159,217,204,.36);color:var(--brand-deep);border-color:var(--brand-light)}
  .tab.active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px -12px rgba(15,90,80,.8)}
  @media (max-width:639px){
    .nav-search{display:none}
    .logo{font-size:16px}
    .logo-mark{width:30px;height:30px;flex:0 0 30px;font-size:12px}
    .nav-cta{padding:0 16px;font-size:14px}
  }

  /* ============ Hero ============ */
  .page-hero{
    position:relative;color:#fff;padding:40px 0 64px;
    background-color:var(--brand-deep);
    background-image:linear-gradient(120deg,rgba(10,63,56,.94) 0%,rgba(20,120,106,.86) 55%,rgba(31,158,134,.78) 100%),url(/assets/images/backpic/back-2.webp);
    background-size:cover;background-position:center;overflow:hidden;
  }
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px}
  .breadcrumb a{color:rgba(255,255,255,.78)}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .breadcrumb .sep{opacity:.55}
  .breadcrumb .current{color:var(--brand-light);font-weight:600}
  .page-hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;max-width:16em;color:#fff}
  .hero-lead{margin-top:18px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.88);max-width:660px}
  .hero-chips{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px}
  @media (min-width:900px){ .hero-chips{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px} }
  .chip{
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);border-radius:var(--r-md);
    padding:16px 18px;backdrop-filter:blur(4px);
  }
  .chip b{display:block;font-size:28px;font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;color:#fff}
  .chip span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.82)}

  /* ============ 板块 ============ */
  .section{padding:56px 0}
  @media (min-width:1024px){ .section{padding:96px 0} }
  .section-tight{padding:44px 0}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
  .section-head h2{font-size:clamp(22px,2.6vw,34px);font-weight:800;color:var(--brand-deep)}
  .section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:640px}

  /* ============ FAQ 布局 ============ */
  .faq-layout{display:grid;gap:32px;grid-template-columns:1fr}
  @media (min-width:1024px){ .faq-layout{grid-template-columns:300px minmax(0,1fr);gap:48px} }
  .faq-side{align-self:start}
  @media (min-width:1024px){ .faq-side{position:sticky;top:158px} }
  .side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-s)}
  .side-panel h2{font-size:18px;font-weight:800;color:var(--brand-deep);margin-bottom:16px}
  .anchor-list{display:flex;flex-direction:column;gap:8px}
  .anchor-list a{
    display:flex;align-items:center;gap:12px;min-height:44px;padding:12px 14px;
    background:var(--bg);border:1px solid var(--line);border-radius:14px;
    font-size:14.5px;font-weight:600;color:var(--ink);transition:.2s ease;
  }
  .anchor-list a:hover{background:rgba(159,217,204,.28);border-color:var(--brand-light);color:var(--brand-deep);transform:translateX(2px)}
  .anchor-list .num{font-size:12.5px;font-weight:800;color:var(--brand-mid);font-variant-numeric:tabular-nums}
  .side-note{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);font-size:13px;line-height:1.8;color:var(--ink-2)}
  .side-note a{color:var(--brand-mid);font-weight:600}
  .side-note a:hover{text-decoration:underline;text-underline-offset:3px}

  .faq-group{margin-bottom:40px;scroll-margin-top:170px}
  .faq-group:last-child{margin-bottom:0}
  .group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .group-head h3{font-size:19px;font-weight:800;color:var(--brand-deep)}
  .group-head .count{font-size:12.5px;font-weight:700;color:var(--brand-mid);background:rgba(159,217,204,.34);border-radius:999px;padding:3px 10px;font-variant-numeric:tabular-nums}

  details{
    position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
    border-radius:16px;margin-bottom:12px;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
  }
  details::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
    transform:scaleY(0);transform-origin:top;transition:transform .25s ease;
  }
  details[open]{background:rgba(253,231,211,.32);border-color:rgba(242,135,43,.32);box-shadow:var(--shadow-s)}
  details[open]::before{transform:scaleY(1)}
  details summary{
    list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:16px;font-weight:700;color:var(--ink);min-height:44px;
  }
  details summary::-webkit-details-marker{display:none}
  details summary:hover{color:var(--brand-deep)}
  details summary svg{flex:0 0 18px;margin-top:5px;color:var(--brand-mid);transition:transform .28s ease}
  details[open] summary svg{transform:rotate(180deg);color:var(--accent)}
  details .answer{padding:0 22px 20px;font-size:15.5px;line-height:1.9;color:var(--ink-2)}
  details .answer strong{color:var(--brand-deep)}

  /* ============ 编号行列表 ============ */
  .row-list{display:flex;flex-direction:column;gap:14px}
  .row-item{
    display:flex;align-items:center;gap:18px;padding:20px 24px;background:#fff;
    border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-s);transition:.25s ease;
  }
  .row-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-l);border-color:var(--brand-light)}
  .row-item .idx{flex:0 0 44px;font-size:15px;font-weight:800;color:var(--brand-mid);font-variant-numeric:tabular-nums}
  .row-item h3{font-size:17px;font-weight:700;color:var(--brand-deep);margin-bottom:4px}
  .row-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}
  .row-item .arrow{flex:0 0 auto;margin-left:auto;color:var(--brand-mid);transition:transform .2s ease,color .2s ease}
  .row-item:hover .arrow{transform:translateX(4px);color:var(--accent)}
  @media (max-width:639px){
    .row-item{flex-wrap:wrap;padding:18px}
    .row-item .arrow{display:none}
    .row-item .idx{flex:0 0 auto}
  }

  /* ============ 深底数据横幅 ============ */
  .band{
    position:relative;color:#fff;padding:56px 0;
    background-color:var(--brand-deep);
    background-image:linear-gradient(120deg,rgba(10,63,56,.95) 0%,rgba(20,120,106,.88) 60%,rgba(31,158,134,.8) 100%),url(/assets/images/backpic/back-3.png);
    background-size:cover;background-position:center;
  }
  .band h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;color:#fff;max-width:22em}
  .band .band-sub{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);max-width:640px}
  .band-grid{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px}
  @media (min-width:900px){ .band-grid{grid-template-columns:repeat(4,minmax(0,1fr))} }
  .stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.26);border-radius:var(--r-md);padding:20px}
  .stat b{display:block;font-size:34px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff}
  .stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.8)}
  .band-foot{margin-top:22px;font-size:13px;color:rgba(255,255,255,.68)}

  /* ============ 组合卡（bento） ============ */
  .bento{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:900px){
    .bento{grid-template-columns:1.15fr 1fr;grid-template-rows:auto auto}
    .bento-lg{grid-row:span 2}
  }
  .card{
    position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-s);transition:transform .25s ease,box-shadow .25s ease;
  }
  .card::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad-brand);opacity:.85}
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
  .card h3{font-size:19px;font-weight:800;color:var(--brand-deep);margin-bottom:10px}
  .card p{font-size:15px;line-height:1.85;color:var(--ink-2)}
  .card-media{border-radius:20px;overflow:hidden;margin-bottom:18px;background:rgba(159,217,204,.3)}
  .card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s ease}
  .card:hover .card-media img{transform:scale(1.03)}
  .check-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}
  .check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
  .check-list li svg{flex:0 0 18px;margin-top:5px;color:var(--brand-mid)}
  .check-list strong{color:var(--brand-deep)}

  /* ============ CTA ============ */
  .cta-card{
    display:grid;gap:28px;background:#fff;border:1px solid var(--line);border-radius:28px;
    padding:32px;box-shadow:var(--shadow-l);
  }
  @media (min-width:1024px){ .cta-card{grid-template-columns:1.35fr 1fr;align-items:center;padding:52px} }
  .cta-card h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;color:var(--brand-deep)}
  .cta-card p{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--ink-2);max-width:640px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
  .cta-visual{border-radius:20px;overflow:hidden;border:1px solid var(--line)}
  .cta-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .cta-meta{margin-top:14px;font-size:13px;color:var(--ink-3)}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:60px 0 30px;margin-top:0}
  .footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
  @media (min-width:768px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px} }
  .footer-brand .logo{color:#fff}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
  .footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:14px;font-size:13px;color:rgba(255,255,255,.62)}
  .social-row{display:flex;gap:10px;margin-top:18px}
  .social-row a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;color:#fff;transition:.2s ease}
  .social-row a:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
  .site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
  .site-footer ul{display:flex;flex-direction:column;gap:10px}
  .site-footer ul a{font-size:14px;color:rgba(255,255,255,.74)}
  .site-footer ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  .footer-bottom{
    margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .back-top{color:#fff;font-weight:600}
  .back-top:hover{color:var(--accent)}

  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  }