/* roulang page: index */
:root{
  --ocean:#14586E;
  --ocean-dark:#0F4557;
  --ocean-soft:rgba(20,88,110,.06);
  --accent:#C76A3A;
  --mist:#6B7B85;
  --ink:#12262E;
  --body:#43555E;
  --dim:#7A8A93;
  --line:#E3EAEE;
  --paper:#F6F8F9;
  --card:#FFFFFF;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(18,38,46,.04);
  --shadow-hover:0 8px 24px rgba(18,38,46,.08);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--ocean);}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--ocean);outline-offset:2px;border-radius:4px;}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.35;font-weight:700;}
.h1{font-size:42px;letter-spacing:-.5px;}
.h2{font-size:29px;letter-spacing:-.3px;}
.h3{font-size:21px;}
.lead{font-size:17px;color:var(--body);line-height:1.9;}
.muted{color:var(--dim);font-size:14px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
.header-top{height:68px;border-bottom:1px solid var(--line);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:18px;letter-spacing:-.2px;}
.brand:hover{color:var(--ink);}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--ocean);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;letter-spacing:0;}
.search-box{display:flex;align-items:center;gap:10px;width:320px;height:40px;padding:0 16px;border-radius:999px;background:#F1F5F7;border:1px solid transparent;transition:border-color .2s,background .2s;}
.search-box:focus-within{background:#fff;border-color:var(--ocean);box-shadow:0 0 0 2px rgba(20,88,110,.14);}
.search-box i{color:var(--dim);font-size:14px;}
.search-box input{flex:1;border:0;background:transparent;outline:none;font-size:14px;}
.search-box input::placeholder{color:var(--dim);}
.header-channels{height:48px;overflow:hidden;}
.channel-scroll{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-scroll::after{content:"";flex:0 0 24px;height:48px;}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;background:#EEF3F5;color:#4A5B64;font-size:14px;white-space:nowrap;transition:background .2s ease-out,color .2s ease-out;}
.pill:hover{background:#E2EBEF;color:var(--ink);}
.pill-active{background:var(--ocean);color:#fff;}
.pill-active:hover{background:#11566B;color:#fff;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;white-space:nowrap;}
.btn-primary{background:var(--ocean);color:#fff;}
.btn-primary:hover{background:#11566B;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(20,88,110,.22);}
.btn-ghost{border-color:var(--ocean);color:var(--ocean);background:transparent;}
.btn-ghost:hover{background:var(--ocean-soft);color:var(--ocean);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-accent-outline{border-color:var(--accent);color:var(--accent);background:transparent;}
.btn-accent-outline:hover{background:rgba(199,106,58,.08);color:var(--accent);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ocean);}
.link-arrow i{transition:transform .2s ease-out;font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}
.link-arrow:hover{text-decoration:underline;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:linear-gradient(180deg,#FBFDFD 0%,#F6F8F9 100%);}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(to right,rgba(20,88,110,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(20,88,110,.06) 1px,transparent 1px);background-size:64px 64px;pointer-events:none;}
.hero > *{position:relative;z-index:1;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ocean);background:rgba(20,88,110,.08);border-radius:999px;padding:6px 14px;letter-spacing:.4px;}
.hero-sub{font-size:18px;color:var(--body);margin:18px 0 0;line-height:1.8;}
.hero-facts{display:flex;flex-wrap:wrap;gap:32px;list-style:none;padding:0;margin:30px 0 0;border-top:1px solid var(--line);padding-top:24px;}
.hero-facts li{display:flex;flex-direction:column;gap:2px;}
.hero-facts strong{font-size:26px;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-facts strong small{font-size:13px;font-weight:600;color:var(--mist);margin-left:3px;}
.hero-facts em{font-style:normal;font-size:13px;color:var(--dim);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s ease-out;}
.hero-media:hover img{transform:scale(1.03);}
.hero-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 22px;font-size:13px;color:#fff;background:linear-gradient(180deg,rgba(15,69,87,0) 0%,rgba(15,69,87,.82) 100%);}

/* ---------- kpi ---------- */
.kpi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.kpi-label{display:block;font-size:13.5px;color:var(--dim);letter-spacing:.2px;}
.kpi-value{font-size:38px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;margin-top:8px;}
.kpi-value span{font-size:15px;font-weight:600;color:var(--mist);margin-left:6px;}
.kpi-trend{display:inline-flex;align-items:center;gap:5px;font-size:13px;margin-top:12px;font-weight:600;}
.kpi-trend.up{color:var(--accent);}
.kpi-trend.flat{color:var(--dim);}

/* ---------- service matrix ---------- */
.svc-list{border-top:1px solid var(--line);}
.svc-row{position:relative;display:flex;align-items:flex-start;gap:20px;padding:20px 20px 20px 24px;border-bottom:1px solid var(--line);transition:background .2s ease-out;}
.svc-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--ocean);transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out;}
.svc-row:hover{background:#F2F7F9;color:inherit;}
.svc-row:hover::before{transform:scaleY(1);}
.svc-num{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--ocean);font-variant-numeric:tabular-nums;padding-top:3px;letter-spacing:.6px;}
.svc-name{display:block;font-size:18px;font-weight:700;color:var(--ink);}
.svc-desc{display:block;font-size:14.5px;color:var(--dim);margin-top:4px;line-height:1.7;}
.svc-arrow{margin-left:auto;color:var(--mist);font-size:13px;padding-top:6px;transition:transform .2s ease-out,color .2s ease-out;}
.svc-row:hover .svc-arrow{transform:translateX(4px);color:var(--ocean);}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.side-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.side-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease-out;}
.side-card:hover img{transform:scale(1.03);}
.side-card-body{padding:24px;}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:rgba(20,88,110,.1);color:var(--ocean);}
.tag-warm{background:rgba(199,106,58,.12);color:var(--accent);}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow);}
.compare-divider{background:var(--line);}
.compare-col{padding:32px 30px;}
.compare-col.before{background:#F4F6F7;}
.compare-col.after{background:rgba(20,88,110,.08);}
.compare-title{font-size:20px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px;}
.compare-col.before .compare-title{color:var(--mist);}
.compare-list{list-style:none;margin:22px 0 0;padding:0;}
.compare-list li{position:relative;padding:12px 0 12px 20px;font-size:15.5px;border-bottom:1px solid rgba(227,234,238,.9);line-height:1.75;}
.compare-list li:last-child{border-bottom:0;}
.compare-list li::before{content:"";position:absolute;left:0;top:21px;width:8px;height:1px;background:var(--mist);}
.badge-data{display:inline-block;margin-left:8px;font-size:12px;font-weight:600;color:var(--ocean);background:#fff;border:1px solid rgba(20,88,110,.2);border-radius:999px;padding:2px 9px;font-variant-numeric:tabular-nums;}

/* ---------- evidence ---------- */
.evidence-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1.15fr;}
.evidence-media{position:relative;min-height:320px;}
.evidence-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.evidence-body{padding:36px 38px;}
.evidence-row{display:flex;align-items:baseline;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);}
.evidence-row:last-child{border-bottom:0;}
.evidence-row dt{flex:0 0 120px;font-size:14px;color:var(--dim);margin:0;}
.evidence-row dd{margin:0;font-size:15.5px;color:var(--ink);font-weight:600;}
.evidence-row dd span{font-weight:400;color:var(--body);font-size:14.5px;margin-left:10px;}

/* ---------- news ---------- */
.news-feature{display:grid;grid-template-columns:340px 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out;}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.news-feature-media{display:block;overflow:hidden;}
.news-feature-media img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s ease-out;}
.news-feature:hover .news-feature-media img{transform:scale(1.03);}
.news-feature-body{padding:28px 30px;display:flex;flex-direction:column;}
.news-title{font-size:21px;font-weight:700;color:var(--ink);margin-top:14px;line-height:1.5;}
.news-title a:hover{color:var(--ocean);text-decoration:underline;}
.news-summary{font-size:15px;color:var(--body);margin:12px 0 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:18px;font-size:13.5px;color:var(--dim);font-variant-numeric:tabular-nums;}
.news-list{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.news-row{display:grid;grid-template-columns:110px 1fr auto;align-items:center;gap:18px;padding:18px 24px;border-bottom:1px solid var(--line);transition:background .2s ease-out;}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:#F2F7F9;color:inherit;}
.news-row-date{font-size:13.5px;color:var(--dim);font-variant-numeric:tabular-nums;}
.news-row-title{font-size:16px;color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-row:hover .news-row-title{color:var(--ocean);}
.news-row-cat{font-size:12px;font-weight:600;color:var(--ocean);background:rgba(20,88,110,.09);border-radius:999px;padding:3px 12px;white-space:nowrap;}
.empty-state{border:1px dashed #CFDBE1;border-radius:var(--radius);background:#fff;padding:44px 24px;text-align:center;color:var(--dim);font-size:15px;}
.empty-state p{margin:0 0 12px;}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px;padding:16px 26px;cursor:pointer;font-size:17px;font-weight:600;color:var(--ink);list-style:none;transition:background .2s ease-out;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7F9FA;}
.faq-item summary::after{content:"+";font-size:22px;color:var(--ocean);line-height:1;transition:transform .25s ease-out;}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 26px 22px;color:var(--body);font-size:15.5px;line-height:1.9;background:#F7F9FA;margin:0 16px 16px;border-radius:12px;padding-top:18px;}

/* ---------- form ---------- */
.cta-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.cta-copy{background:linear-gradient(160deg,#14586E 0%,#0F4557 100%);color:#EAF2F5;padding:44px 40px;}
.cta-copy h2{color:#fff;}
.cta-copy p{color:rgba(234,242,245,.86);font-size:15px;margin:16px 0 0;}
.cta-points{list-style:none;padding:0;margin:26px 0 0;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(234,242,245,.92);padding:7px 0;}
.cta-points i{color:#F0B695;font-size:13px;margin-top:7px;}
.cta-form{padding:40px 42px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field .req{color:var(--accent);margin-left:3px;}
.field input,.field select,.field textarea{width:100%;height:44px;border:1px solid #DCE4E9;border-radius:10px;padding:0 14px;background:#fff;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ocean);box-shadow:0 0 0 2px rgba(20,88,110,.16);}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--dim);line-height:1.7;}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--ocean);}
.form-note{font-size:13px;color:var(--dim);margin-top:12px;}
.success-bar{display:none;margin-bottom:18px;padding:12px 16px;border-radius:10px;background:rgba(20,88,110,.08);border:1px solid rgba(20,88,110,.24);color:var(--ocean);font-size:14px;font-weight:600;}

/* ---------- footer ---------- */
.site-footer{background:#F5F8FA;border-top:1px solid var(--line);padding:64px 0 0;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-title{font-size:14px;font-weight:700;color:var(--ocean);margin-bottom:16px;letter-spacing:.3px;}
.footer-list{list-style:none;padding:0;margin:0;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:var(--body);}
.footer-list a:hover{color:var(--ocean);text-decoration:underline;}
.footer-brand-desc{font-size:13.5px;color:var(--dim);margin:14px 0 18px;line-height:1.8;}
.footer-contact{font-size:13.5px;color:var(--body);line-height:2;}
.footer-contact i{color:var(--ocean);width:16px;}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:var(--dim);}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--ocean);text-decoration:underline;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container-x{padding:0 28px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .h1{font-size:34px;}
  .h2{font-size:25px;}
  .hero{padding:56px 0 64px;}
  .evidence-panel{grid-template-columns:1fr;}
  .evidence-media{min-height:220px;position:relative;}
  .cta-panel{grid-template-columns:1fr;}
  .news-feature{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .compare{grid-template-columns:1fr;}
  .compare-divider{height:1px;width:100%;}
  .field-grid{grid-template-columns:1fr;}
  .kpi-value{font-size:32px;}
  .news-row{grid-template-columns:1fr auto;gap:10px;}
  .news-row-date{grid-column:1 / -1;}
  .news-row-title{white-space:normal;}
  .hero-facts{gap:22px;}
}
@media (max-width:639px){
  .container-x{padding:0 20px;}
  .section{padding:56px 0;}
  .h1{font-size:28px;}
  .h2{font-size:23px;}
  .hero-sub{font-size:16px;}
  .hero-facts strong{font-size:22px;}
  .cta-copy,.cta-form{padding:30px 24px;}
  .compare-col{padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .faq-item summary{font-size:16px;padding:14px 18px;}
  .faq-body{margin:0 10px 14px;padding:16px 16px 18px;}
}

/* roulang page: article */
:root{
  --primary:#14586E;
  --primary-deep:#0F4658;
  --accent:#C76A3A;
  --neutral:#6B7B85;
  --bg:#F6F8F9;
  --card:#FFFFFF;
  --border:#E3EAEE;
  --title:#12262E;
  --body:#43555E;
  --muted:#7A8A93;
  --radius:14px;
  --radius-lg:20px;
  --shadow-1:0 1px 2px rgba(18,38,46,.04);
  --shadow-2:0 8px 24px rgba(18,38,46,.08);
}
*,*::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","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
a:hover{color:var(--primary)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:#fff}
.header-top{height:68px;background:#fff;border-bottom:1px solid var(--border)}
.header-top .container-x{height:100%;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--title);white-space:nowrap;letter-spacing:.2px}
.brand:hover{color:var(--primary)}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:0 0 auto}
.search-box{display:none;align-items:center;gap:8px;width:320px;height:40px;padding:0 16px;background:#EEF3F5;border:1px solid transparent;border-radius:999px}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{flex:1;height:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--title)}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 2px rgba(20,88,110,.18)}
.header-top .link-arrow{display:none}
.header-channels{position:sticky;top:0;z-index:50;height:48px;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .2s ease-out}
.header-channels.is-stuck{box-shadow:0 6px 18px rgba(18,38,46,.06)}
.channel-scroll{display:flex;align-items:center;gap:8px;height:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;background:#EEF3F5;color:var(--body);font-size:14px;white-space:nowrap;flex:0 0 auto}
.pill:hover{background:#E2EBEF;color:var(--title)}
.pill-active,.pill-active:hover{background:var(--primary);color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border:1px solid transparent;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease-out}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(20,88,110,.22)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:rgba(20,88,110,.06);color:var(--primary)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#EAF3F6;color:var(--primary-deep);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow i{transition:transform .2s ease-out}
.link-arrow:hover{color:var(--primary);text-decoration:underline}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- article hero ---------- */
.article-hero{
  padding:44px 0 40px;
  border-bottom:1px solid var(--border);
  background-image:linear-gradient(90deg,rgba(246,248,249,.97) 0%,rgba(246,248,249,.90) 52%,rgba(246,248,249,.72) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline}
.breadcrumb .sep{color:#C3D0D7}
.breadcrumb .current{color:var(--body)}
.page-h1{font-size:42px;letter-spacing:-.4px;max-width:920px}
.article-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:20px;font-size:13.5px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums}
.article-meta i{color:var(--primary);opacity:.85}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding:56px 0 72px;align-items:start}
.article-main{min-width:0}

/* ---------- article content ---------- */
.article-content{max-width:760px;font-size:17px;line-height:1.9;color:var(--body)}
.article-content>*:first-child{margin-top:0}
.article-content p{margin:0 0 1.2em}
.article-content h2{font-size:28px;color:var(--title);margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--primary);line-height:1.5}
.article-content h3{font-size:20px;color:var(--title);margin:28px 0 12px}
.article-content h4{font-size:17px;color:var(--title);margin:22px 0 10px}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content strong{color:var(--title)}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding-left:1.5em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:.6em}
.article-content blockquote{margin:24px 0;padding:16px 22px;background:#F2F6F8;border-left:3px solid var(--primary);border-radius:0 12px 12px 0;color:var(--body)}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:14px;margin:24px auto}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-content table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:24px 0;-webkit-overflow-scrolling:touch}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left;white-space:nowrap}
.article-content th{background:#F2F6F8;color:var(--title);font-weight:600}
.article-content hr{border:0;border-top:1px solid var(--border);margin:32px 0}

/* ---------- aside ---------- */
.article-side{position:sticky;top:72px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1)}
.side-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:16px;letter-spacing:.3px}
.side-meta li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--body);padding:8px 0;border-bottom:1px solid #F0F4F6}
.side-meta li:last-child{border-bottom:0}
.side-meta i{color:var(--primary);opacity:.8;margin-top:4px;width:14px;flex:0 0 auto}
.side-links li{padding:9px 0;border-bottom:1px solid #F0F4F6}
.side-links li:last-child{border-bottom:0}
.side-links a{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--body)}
.side-links a i{font-size:12px;color:var(--primary);opacity:.7;transition:transform .2s ease-out}
.side-links a:hover{color:var(--primary)}
.side-links a:hover i{transform:translateX(3px)}
.side-cta{background:var(--primary);border-radius:var(--radius);padding:24px;color:#fff;box-shadow:0 10px 26px rgba(20,88,110,.18)}
.side-cta h4{color:#fff;font-size:18px;margin-bottom:10px}
.side-cta p{color:rgba(255,255,255,.82);font-size:14px;margin-bottom:18px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:rgba(20,88,110,.08);color:var(--primary);font-size:13px;white-space:nowrap}
.tag:hover{background:rgba(20,88,110,.15);color:var(--primary-deep)}

/* ---------- empty state ---------- */
.empty-state{border:1px dashed #C9D6DD;border-radius:var(--radius);padding:56px 24px;text-align:center;color:var(--muted);font-size:15px}
.empty-state a{display:inline-block;margin-top:14px;color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* ---------- related ---------- */
.related-block{padding:0 0 8px}
.section-divider{height:1px;background:var(--border);margin-bottom:28px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}
.section-head h2{font-size:24px}
.related-item{display:flex;align-items:center;gap:20px;padding:18px 6px;border-bottom:1px solid var(--border);transition:background-color .2s ease-out}
.related-item:hover{background:#F1F6F8}
.related-item .r-title{flex:1;font-size:16.5px;font-weight:600;color:var(--title)}
.related-item:hover .r-title{color:var(--primary)}
.related-item .r-time{font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.related-item .r-link{font-size:13.5px;color:var(--primary);font-weight:600;white-space:nowrap}
.back-line{margin-top:22px;display:flex;flex-wrap:wrap;gap:24px}

/* ---------- channel cards ---------- */
.channel-block{padding:56px 0 0}
.channel-block h2{font-size:28px;margin-bottom:8px}
.channel-sub{font-size:15px;color:var(--muted);margin-bottom:28px}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.channel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EAF0F3}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out}
.channel-card:hover .thumb img{transform:scale(1.03)}
.channel-card .card-body{display:flex;flex-direction:column;gap:12px;padding:24px;flex:1}
.channel-card .card-body h3{font-size:19px}
.channel-card .card-body p{font-size:14.5px;color:var(--body);line-height:1.8}
.channel-card .card-body .link-arrow{margin-top:auto}

/* ---------- cta band ---------- */
.cta-wrap{padding:72px 0 88px}
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--primary);border-radius:var(--radius-lg);padding:40px 44px;color:#fff}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;margin-top:10px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- footer ---------- */
.site-footer{background:#F5F8FA;border-top:1px solid var(--border);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:16px}
.footer-brand-desc{font-size:14px;color:var(--body);line-height:1.8;margin:16px 0 18px;max-width:340px}
.footer-list li{margin-bottom:10px;font-size:14px}
.footer-list a{font-size:14px;color:var(--body)}
.footer-list a:hover{color:var(--primary);text-decoration:underline}
.footer-contact div{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--body);margin-bottom:10px}
.footer-contact i{color:var(--primary);width:16px;flex:0 0 auto}
.footer-bottom{margin-top:48px;padding:20px 0;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (min-width:768px){
  .header-top .link-arrow{display:inline-flex}
}
@media (min-width:1024px){
  .search-box{display:flex}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:36px;padding:40px 0 56px}
  .article-side{position:static}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-h1{font-size:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 30px}
  .cta-wrap{padding:56px 0 64px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container-x{padding:0 20px}
  .header-top .container-x{gap:12px}
  .brand{font-size:16px}
  .page-h1{font-size:28px}
  .article-hero{padding:30px 0 26px}
  .article-meta{gap:14px}
  .article-content{font-size:16.5px}
  .article-content h2{font-size:22px}
  .article-content h3{font-size:19px}
  .channel-grid{grid-template-columns:1fr}
  .related-item{flex-wrap:wrap;gap:8px;padding:16px 4px}
  .related-item .r-title{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band h2{font-size:22px}
}

/* roulang page: category1 */
:root{
  --primary:#14586E;
  --primary-dark:#0F4A5D;
  --primary-06:rgba(20,88,110,.06);
  --primary-08:rgba(20,88,110,.08);
  --accent:#C76A3A;
  --accent-dark:#A8562B;
  --neutral:#6B7B85;
  --bg:#F6F8F9;
  --card:#FFFFFF;
  --border:#E3EAEE;
  --title:#12262E;
  --body:#43555E;
  --muted:#7A8A93;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(18,38,46,.04);
  --shadow-hover:0 8px 24px rgba(18,38,46,.08);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;
}

/* 容器 */
.container-x{max-width:1240px;margin:0 auto;padding:0 32px;width:100%}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:#fff}
.header-top{height:68px;background:#fff;border-bottom:1px solid var(--border)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--title);letter-spacing:.2px;flex:0 0 auto}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700}
.search-box{
  position:relative;flex:1 1 auto;max-width:420px;height:40px;
  border:1px solid var(--border);border-radius:999px;background:#F2F6F8;
  align-items:center;padding:0 16px;gap:10px;transition:all .2s ease-out;
}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{border:0;background:transparent;outline:none;height:100%;width:100%;font-size:14px;color:var(--title)}
.search-box input::placeholder{color:var(--muted)}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 2px rgba(20,88,110,.18)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(18,38,46,.06)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,88,110,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-06);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#EEF4F6;transform:translateY(-1px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.link-arrow i{transition:transform .2s ease-out}
.link-arrow:hover i{transform:translateX(3px)}
.link-arrow:hover{text-decoration:underline}
.header-channels{background:#fff;border-bottom:1px solid var(--border)}
.channel-scroll{
  display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 12px,#000 calc(100% - 12px),transparent 100%);
}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  background:#EEF3F5;color:var(--body);font-size:14px;flex:0 0 auto;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.pill:hover{background:#E2EBEF;color:var(--title)}
.pill-active{background:var(--primary);color:#fff;font-weight:600}
.pill-active:hover{background:var(--primary);color:#fff}

/* 面包屑 */
.crumb-bar{padding:20px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary);text-decoration:underline}
.breadcrumb .sep{color:#B9C6CC}
.breadcrumb .current{color:var(--body)}

/* 首屏 */
.page-hero{padding:18px 0 56px}
.hero-banner{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);background:#fff;
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(246,248,249,.97) 0%,rgba(246,248,249,.93) 46%,rgba(246,248,249,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:52px 48px 50px;max-width:860px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--primary-08);color:var(--primary);
}
.tag-accent{background:rgba(199,106,58,.12);color:var(--accent-dark)}
.hero-brand{font-size:14px;color:var(--muted);margin:16px 0 0}
.page-title{
  font-size:42px;line-height:1.28;font-weight:700;color:var(--title);
  margin:10px 0 16px;letter-spacing:-.5px;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--body);margin:0;max-width:720px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:28px;padding-top:22px;border-top:1px solid var(--border)}
.hero-meta-item{font-size:13.5px;color:var(--muted)}
.hero-meta-item b{display:block;font-size:26px;font-weight:700;color:var(--title);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-meta-item b em{font-style:normal;font-size:14px;font-weight:600;color:var(--neutral);margin-left:3px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;align-items:center}

/* 主体布局 */
.main-wrap{padding-bottom:24px}
.toc-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.toc-card.sticky-toc{position:sticky;top:132px}
.toc-title{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.8px;margin-bottom:12px}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li a{
  display:block;padding:9px 0 9px 10px;font-size:14px;color:var(--body);
  border-left:2px solid transparent;border-bottom:1px dashed #EDF2F4;
  transition:all .2s ease-out;
}
.toc-list li:last-child a{border-bottom:0}
.toc-list li a:hover{color:var(--primary);border-left-color:var(--primary);padding-left:14px}
.toc-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);line-height:1.7}
.toc-mobile{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:14px 18px;margin-bottom:22px;box-shadow:var(--shadow);
}
.toc-mobile summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:600;color:var(--title);
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile summary::after{content:"＋";color:var(--primary);font-weight:400}
.toc-mobile[open] summary::after{content:"－"}
.toc-mobile .toc-list{margin-top:10px}

/* 长文区块 */
.doc-section{
  scroll-margin-top:140px;
  padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--border);
}
.doc-section:last-of-type{border-bottom:0}
.sec-title{
  font-size:28px;line-height:1.4;font-weight:700;color:var(--title);
  position:relative;padding-left:18px;margin:0 0 18px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--primary);
}
.sec-sub{font-size:14px;color:var(--muted);margin:-8px 0 20px}
.para{font-size:17px;line-height:1.9;color:var(--body);margin:0 0 16px}
.para:last-child{margin-bottom:0}

/* 图表位 */
.chart-slot{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 24px;box-shadow:var(--shadow);margin-top:22px;
}
.chart-slot-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px}
.chart-slot-title{font-size:15px;font-weight:700;color:var(--title)}
.chart-slot-unit{font-size:12.5px;color:var(--muted)}
.bar-row{display:grid;grid-template-columns:150px 1fr 62px;align-items:center;gap:14px;padding:8px 0;font-size:14px;color:var(--body)}
.bar-track{height:8px;border-radius:999px;background:#EDF2F4;overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--primary);transition:width .6s ease-out}
.bar-fill.is-accent{background:var(--accent)}
.bar-value{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;color:var(--title)}
.figure{margin:24px 0 0;border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.figure-img{aspect-ratio:16/9;overflow:hidden;background:#EDF2F4}
.figure-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out}
.figure:hover .figure-img img{transform:scale(1.03)}
.figure figcaption{font-size:13px;color:var(--muted);padding:12px 18px;text-align:center;border-top:1px solid var(--border)}

/* 数据小条 */
.metric-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px;
}
.metric-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 20px;box-shadow:var(--shadow);
}
.metric-item span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.metric-item b{font-size:30px;font-weight:700;color:var(--title);font-variant-numeric:tabular-nums;line-height:1.2}
.metric-item b em{font-style:normal;font-size:14px;font-weight:600;color:var(--accent);margin-left:4px}
.metric-item b.is-accent{color:var(--accent)}

/* 表格 */
.table-wrap{
  overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);
  background:#fff;box-shadow:var(--shadow);
}
table.data{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
table.data thead th{
  background:#F2F6F8;color:var(--title);font-weight:600;text-align:left;
  padding:14px 18px;font-size:14px;white-space:nowrap;border-bottom:1px solid var(--border);
}
table.data td{padding:15px 18px;border-top:1px solid var(--border);color:var(--body);vertical-align:top;line-height:1.75}
table.data tbody tr:hover{background:#FAFCFD}
table.data td strong{color:var(--title);font-weight:600}

/* 卡片 */
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card h3{font-size:19px;font-weight:700;color:var(--title);margin:0 0 10px;line-height:1.45}
.card p{font-size:14.5px;line-height:1.8;color:var(--body);margin:0}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.card-index{
  width:34px;height:34px;border-radius:10px;background:var(--primary-08);color:var(--primary);
  display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--primary-08);color:var(--primary);
}
.badge-accent{background:rgba(199,106,58,.12);color:var(--accent-dark)}
.badge-muted{background:rgba(107,123,133,.12);color:var(--neutral)}

/* 区块标题 */
.block-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.block-title{font-size:28px;line-height:1.4;font-weight:700;color:var(--title);margin:0}
.block-desc{font-size:15px;color:var(--muted);margin:8px 0 0;max-width:760px}

/* FAQ */
.faq{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;box-shadow:var(--shadow)}
.faq details{border-top:1px solid var(--border);transition:background-color .2s ease-out}
.faq details:first-child{border-top:0}
.faq details[open]{background:#F7F9FA}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:64px;padding:16px 24px;font-size:17px;font-weight:600;color:var(--title);line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--primary);flex:0 0 auto;transition:transform .2s ease-out}
.faq details[open] summary::after{content:"−";transform:rotate(0deg)}
.faq summary:hover{color:var(--primary)}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--body);max-width:920px}

/* CTA 条 */
.cta-wrap{padding:8px 0 80px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--primary);color:#fff;padding:46px 48px;
  display:grid;grid-template-columns:1.35fr .9fr;gap:34px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:linear-gradient(to right,rgba(255,255,255,.7) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.7) 1px,transparent 1px);
  background-size:56px 56px;
}
.cta-inner{position:relative;z-index:2}
.cta-title{font-size:26px;line-height:1.45;font-weight:700;margin:0 0 12px;color:#fff}
.cta-text{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);margin:0}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-contact{position:relative;z-index:2;font-size:13.5px;color:rgba(255,255,255,.8);margin-top:16px}
.cta-contact div{margin-bottom:6px}
.cta-contact i{margin-right:8px;color:rgba(255,255,255,.9)}

/* 页脚 */
.site-footer{background:#F5F8FA;border-top:1px solid var(--border);padding:60px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand-desc{font-size:14px;line-height:1.8;color:var(--body);margin:14px 0 18px;max-width:330px}
.footer-contact div{font-size:14px;color:var(--body);display:flex;gap:8px;align-items:center;margin-bottom:8px}
.footer-contact i{color:var(--primary);width:16px;text-align:center}
.footer-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:14px;letter-spacing:.4px}
.footer-list{list-style:none;margin:0;padding:0}
.footer-list li{margin-bottom:10px;line-height:1.6}
.footer-list a{font-size:14px;color:var(--body)}
.footer-list a:hover{color:var(--primary);text-decoration:underline}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--primary);text-decoration:underline}

/* 响应式 */
@media (max-width:1023px){
  .container-x{padding:0 24px}
  .page-title{font-size:34px}
  .sec-title{font-size:25px}
  .block-title{font-size:25px}
  .hero-inner{padding:40px 32px 38px;max-width:100%}
  .cta-band{grid-template-columns:1fr;padding:38px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .metric-strip{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:767px){
  .hero-banner::after{background:linear-gradient(180deg,rgba(246,248,249,.97) 0%,rgba(246,248,249,.9) 70%,rgba(246,248,249,.75) 100%)}
  .metric-strip{grid-template-columns:1fr}
  .bar-row{grid-template-columns:110px 1fr 56px;gap:10px;font-size:13.5px}
  .hero-meta{gap:20px;justify-content:space-between}
}
@media (max-width:639px){
  .container-x{padding:0 20px}
  .page-title{font-size:28px;letter-spacing:0}
  .hero-inner{padding:30px 22px 30px}
  .page-hero{padding:12px 0 44px}
  .sec-title{font-size:22px;padding-left:14px}
  .block-title{font-size:22px}
  .para{font-size:16px;line-height:1.85}
  .cta-band{padding:32px 22px;border-radius:16px}
  .cta-title{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .doc-section{padding-bottom:34px;margin-bottom:34px}
  .card{padding:20px}
  .faq summary{padding:14px 18px;font-size:16px}
  .faq-body{padding:0 18px 18px}
  .chart-slot{padding:18px}
}

/* roulang page: category2 */
:root{
  --primary:#14586E;
  --primary-dark:#0F4557;
  --primary-soft:rgba(20,88,110,.06);
  --accent:#C76A3A;
  --neutral:#6B7B85;
  --bg:#F6F8F9;
  --card:#FFFFFF;
  --border:#E3EAEE;
  --title:#12262E;
  --body:#43555E;
  --muted:#7A8A93;
  --r:14px;
  --r-lg:20px;
  --shadow:0 1px 2px rgba(18,38,46,.04);
  --shadow-hover:0 8px 24px rgba(18,38,46,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container-x{max-width:1240px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{background:#fff;position:relative;z-index:60;}
.header-top{height:68px;background:#fff;border-bottom:1px solid var(--border);}
.header-top .container-x{height:68px;display:flex;align-items:center;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--title);letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--title);}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:none;}
.search-box{flex:1;max-width:400px;height:40px;border-radius:999px;background:#F1F5F7;border:1px solid transparent;align-items:center;gap:10px;padding:0 16px;color:var(--muted);transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;}
.search-box i{font-size:14px;}
.search-box input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--title);}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 2px rgba(20,88,110,.18);}
.header-channels{position:sticky;top:0;z-index:55;background:#fff;border-bottom:1px solid var(--border);}
.channel-scroll{
  display:flex;gap:10px;height:48px;align-items:center;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;
  -webkit-mask-image:linear-gradient(to right,rgba(0,0,0,0) 0,#000 14px,#000 calc(100% - 14px),rgba(0,0,0,0) 100%);
  mask-image:linear-gradient(to right,rgba(0,0,0,0) 0,#000 14px,#000 calc(100% - 14px),rgba(0,0,0,0) 100%);
}
.channel-scroll::-webkit-scrollbar{display:none;}
.pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;background:#EEF3F5;color:#3C4C55;font-size:14px;transition:background .2s ease-out,color .2s ease-out;flex:none;}
.pill:hover{background:#E2EBEF;color:var(--primary);}
.pill-active{background:var(--primary);color:#fff;}
.pill-active:hover{background:var(--primary-dark);color:#fff;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,88,110,.24);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:14px;font-weight:600;}
.link-arrow i{font-size:12px;transition:transform .2s ease-out;}
.link-arrow:hover i{transform:translateX(3px);}
.link-arrow:hover{text-decoration:underline;}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--border);background:#fff;}
.page-banner-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.14;}
.page-banner-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#FFFFFF 0%,rgba(255,255,255,.88) 46%,rgba(255,255,255,.62) 100%);}
.page-banner-inner{position:relative;z-index:2;padding:34px 0 52px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);text-decoration:underline;}
.crumb .sep{color:#C7D2D8;}
.crumb .now{color:var(--body);}
.page-banner h1{margin-top:18px;font-size:42px;line-height:1.32;font-weight:700;color:var(--title);letter-spacing:-.01em;}
.page-banner h1 .hl{color:var(--primary);}
.lead{margin-top:16px;max-width:780px;font-size:17px;line-height:1.85;color:var(--body);}
.banner-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;}
.tag{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;border-radius:999px;background:#EEF3F5;color:#44555D;font-size:13px;}
.tag i{color:var(--primary);font-size:12px;}

/* ---------- section headings ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.sec-head h2{font-size:29px;line-height:1.4;font-weight:700;color:var(--title);letter-spacing:-.01em;}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:720px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px;}
.eyebrow::before{content:"";width:20px;height:1px;background:var(--primary);opacity:.6;}

/* ---------- filter pills ---------- */
.filter-bar{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:26px 0 0;scrollbar-width:none;-ms-overflow-style:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-pill{flex:none;display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid var(--border);color:#4A5A63;font-size:14px;transition:all .2s ease-out;cursor:default;}
.filter-pill:hover{border-color:var(--primary);color:var(--primary);}
.filter-pill.is-on{background:var(--primary);border-color:var(--primary);color:#fff;}
.filter-note{font-size:13px;color:var(--muted);margin-top:10px;}

/* ---------- results layout ---------- */
.result-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px;align-items:start;}
.list-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;}
.case-head{display:grid;grid-template-columns:2.5fr 1.05fr 1.7fr .95fr;gap:20px;padding:14px 24px;background:#F7FAFB;border-bottom:1px solid var(--border);font-size:13px;font-weight:600;color:var(--muted);}
.case-row{display:grid;grid-template-columns:2.5fr 1.05fr 1.7fr .95fr;gap:20px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border);transition:background .2s ease-out,box-shadow .2s ease-out;}
.case-row:last-child{border-bottom:0;}
.case-row:hover{background:#F7FAFB;box-shadow:inset 3px 0 0 var(--primary);}
.case-name{display:flex;align-items:center;gap:14px;min-width:0;}
.case-thumb{width:58px;height:58px;border-radius:10px;object-fit:cover;flex:none;}
.case-title{font-size:16px;font-weight:600;color:var(--title);line-height:1.5;}
.case-sub{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6;}
.cell{font-size:14px;color:var(--body);}
.metric{font-size:16px;font-weight:700;color:var(--primary);letter-spacing:-.01em;}
.metric .arrow{font-size:12px;color:var(--accent);margin-left:6px;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;}
.badge-ok{background:rgba(20,88,110,.1);color:var(--primary);}
.badge-run{background:rgba(199,106,58,.12);color:var(--accent);}
.badge-done{background:rgba(107,123,133,.12);color:#5A6A73;}
.cell-label{display:none;font-size:12px;color:var(--muted);margin-bottom:2px;}

/* ---------- summary card ---------- */
.summary-card{position:sticky;top:72px;background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);padding:26px;}
.summary-card h3{font-size:19px;font-weight:700;color:var(--title);}
.summary-card .sub{font-size:13px;color:var(--muted);margin-top:6px;}
.stat-row{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:16px 0;border-bottom:1px dashed rgba(18,38,46,.1);}
.stat-row:last-of-type{border-bottom:0;}
.stat-num{font-size:36px;font-weight:700;color:var(--title);line-height:1.1;letter-spacing:-.02em;}
.stat-num .unit{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-label{font-size:13px;color:var(--muted);text-align:right;line-height:1.5;}
.delta{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:var(--accent);margin-top:6px;}
.delta.flat{color:var(--neutral);}
.summary-figure{margin-top:18px;border-radius:12px;overflow:hidden;border:1px solid var(--border);aspect-ratio:16/9;background:#EEF3F5;}
.summary-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out;}
.summary-card:hover .summary-figure img{transform:scale(1.03);}
.summary-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px;}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow);}
.compare-col{padding:30px 28px;}
.compare-col + .compare-col{border-left:1px solid var(--border);}
.compare-before{background:#F2F5F6;}
.compare-after{background:var(--primary-soft);}
.compare-col h3{font-size:20px;font-weight:700;color:var(--title);}
.compare-col .hint{font-size:13px;color:var(--muted);margin-top:6px;}
.compare-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(18,38,46,.1);font-size:15px;}
.compare-item:last-child{border-bottom:0;}
.compare-item .val{font-weight:700;color:var(--title);}
.compare-after .compare-item .val{color:var(--primary);}
.compare-item .badge{margin-left:6px;}

/* ---------- voices ---------- */
.voices{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:24px;align-items:stretch;}
.voice-main{background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;}
.voice-main .fig{aspect-ratio:16/9;overflow:hidden;background:#EEF3F5;}
.voice-main .fig img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out;}
.voice-main:hover .fig img{transform:scale(1.03);}
.voice-main .txt{padding:26px;}
.voice-main blockquote{font-size:18px;line-height:1.8;color:var(--title);font-weight:600;}
.voice-main .who{margin-top:16px;font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.voice-side{display:flex;flex-direction:column;gap:16px;}
.voice-mini{background:var(--card);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow);padding:22px;transition:transform .2s ease-out,box-shadow .2s ease-out;}
.voice-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.voice-mini p{font-size:15px;line-height:1.8;color:var(--body);}
.voice-mini .who{margin-top:12px;font-size:13px;color:var(--muted);}
.proof-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;margin-top:24px;}
.proof-row div{background:#fff;padding:20px 22px;}
.proof-row .k{font-size:13px;color:var(--muted);}
.proof-row .v{font-size:24px;font-weight:700;color:var(--title);margin-top:6px;letter-spacing:-.01em;}
.proof-row .v .unit{font-size:13px;color:var(--muted);font-weight:600;margin-left:3px;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease-out;}
.faq-item:hover{box-shadow:var(--shadow-hover);}
.faq-item summary{list-style:none;cursor:pointer;min-height:64px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:16px;font-weight:600;color:var(--title);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ico{flex:none;width:26px;height:26px;border-radius:50%;background:#EEF3F5;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;transition:transform .25s ease-out,background .2s ease-out;}
.faq-item[open] summary{border-bottom:1px solid var(--border);}
.faq-item[open] summary .ico{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-body{padding:18px 24px 22px;background:#F7F9FA;font-size:15px;line-height:1.9;color:var(--body);}
.faq-body p + p{margin-top:10px;}

/* ---------- cta ---------- */
.cta-band{background:var(--primary-soft);border:1px solid rgba(20,88,110,.16);border-radius:var(--r-lg);padding:38px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:26px;font-weight:700;color:var(--title);line-height:1.45;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--body);max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:#F5F8FA;border-top:1px solid var(--border);margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:56px 0 34px;}
.footer-brand-desc{font-size:14px;line-height:1.8;color:var(--body);margin-top:14px;max-width:320px;}
.footer-contact{margin-top:16px;}
.footer-contact div{font-size:14px;color:var(--body);margin-bottom:9px;display:flex;align-items:center;gap:9px;}
.footer-contact i{color:var(--primary);width:14px;font-size:13px;}
.footer-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:14px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:var(--body);}
.footer-list a:hover{color:var(--primary);text-decoration:underline;}
.footer-bottom{border-top:1px solid var(--border);padding:18px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container-x{padding:0 32px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section-sm{padding:56px 0;}
  .page-banner h1{font-size:34px;}
  .result-layout{grid-template-columns:1fr;}
  .summary-card{position:static;}
  .voices{grid-template-columns:1fr;}
  .proof-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .case-head{display:none;}
  .case-row{grid-template-columns:1fr 1fr;gap:14px 20px;}
  .case-name{grid-column:1 / -1;}
  .cell-label{display:block;}
  .compare-col{padding:26px 22px;}
}
@media (max-width:767px){
  .header-top{height:auto;}
  .header-top .container-x{height:auto;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;gap:12px;}
  .brand{font-size:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px;}
  .footer-brand-desc{max-width:none;}
  .sec-head h2{font-size:24px;}
  .page-banner h1{font-size:30px;}
}
@media (max-width:639px){
  .container-x{padding:0 20px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .page-banner-inner{padding:24px 0 40px;}
  .page-banner h1{font-size:28px;}
  .lead{font-size:16px;}
  .compare{grid-template-columns:1fr;}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--border);}
  .case-row{grid-template-columns:1fr;}
  .case-thumb{width:50px;height:50px;}
  .proof-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-band h2{font-size:22px;}
  .stat-num{font-size:30px;}
}

/* roulang page: category3 */
:root{
  --primary:#14586E;
  --primary-dark:#0F4759;
  --primary-soft:rgba(20,88,110,.08);
  --primary-line:rgba(20,88,110,.14);
  --accent:#C76A3A;
  --neutral:#6B7B85;
  --bg:#F6F8F9;
  --card:#FFFFFF;
  --line:#E3EAEE;
  --ink:#12262E;
  --body:#43555E;
  --muted:#7A8A93;
  --soft:#EEF3F5;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 1px 2px rgba(18,38,46,.04);
  --shadow-hover:0 8px 24px rgba(18,38,46,.08);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out;}
a:hover{color:var(--primary);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.container-x{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 2px rgba(18,38,46,.03);}
.header-top{border-bottom:1px solid var(--line);}
.header-top .container-x{height:68px;display:flex;align-items:center;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.3px;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:0;flex:0 0 auto;}
.search-box{display:flex;align-items:center;gap:10px;height:40px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:var(--bg);min-width:300px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);}
.search-box input::placeholder{color:var(--muted);}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 2px rgba(20,88,110,.16);}
.header-channels{background:#fff;}
.channel-scroll{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;white-space:nowrap;}
.channel-scroll::-webkit-scrollbar{display:none;}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;background:var(--soft);color:var(--body);font-size:14px;font-weight:500;border:1px solid transparent;}
.pill:hover{background:#E2EBEF;color:var(--ink);}
.pill-active,.pill-active:hover{background:var(--primary);color:#fff;font-weight:600;}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:10px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;white-space:nowrap;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,88,110,.22);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary);}
.btn-accent{background:transparent;color:var(--accent);border-color:var(--accent);}
.btn-accent:hover{background:rgba(199,106,58,.08);color:var(--accent);}
.btn-light{background:#fff;color:var(--primary);border-color:rgba(255,255,255,.6);}
.btn-light:hover{background:#EDF4F6;color:var(--primary);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow i{transition:transform .2s ease-out;font-size:12px;}
.link-arrow:hover{color:var(--primary-dark);text-decoration:underline;}
.link-arrow:hover i{transform:translateX(3px);}

/* ===== Hero ===== */
.page-hero{position:relative;background:#EAF1F3 url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(246,248,249,.96) 0%,rgba(246,248,249,.90) 46%,rgba(246,248,249,.72) 100%);}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(20,88,110,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,88,110,.05) 1px,transparent 1px);background-size:56px 56px;opacity:.6;pointer-events:none;}
.page-hero .container-x{position:relative;z-index:2;padding-top:40px;padding-bottom:64px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C4D0D6;}
.breadcrumb .current{color:var(--body);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;}
.page-title{font-size:42px;line-height:1.24;letter-spacing:-.5px;}
.page-title span{color:var(--primary);}
.page-lead{margin-top:18px;font-size:17px;color:var(--body);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:36px;margin-top:34px;padding-top:26px;border-top:1px dashed var(--primary-line);}
.hero-fact-num{font-size:30px;font-weight:800;color:var(--ink);line-height:1.1;}
.hero-fact-num em{font-size:14px;font-style:normal;font-weight:600;color:var(--muted);margin-left:3px;}
.hero-fact-label{font-size:13.5px;color:var(--muted);margin-top:4px;}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:0 12px 32px rgba(18,38,46,.07);}
.hero-card-title{font-size:16px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.hero-card-title i{color:var(--accent);}
.step-mini{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);}
.step-mini:last-child{border-bottom:0;padding-bottom:0;}
.step-mini .idx{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:700;display:grid;place-items:center;margin-top:3px;}
.step-mini strong{display:block;font-size:14.5px;color:var(--ink);font-weight:600;}
.step-mini span{font-size:13px;color:var(--muted);}

/* ===== Sections ===== */
.section{padding:96px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-tag{display:inline-block;font-size:13px;font-weight:600;color:var(--accent);letter-spacing:1.2px;margin-bottom:12px;}
.section-title{font-size:29px;line-height:1.35;}
.section-desc{margin-top:14px;font-size:16px;color:var(--body);}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.col-4{grid-column:span 4;}
.col-5{grid-column:span 5;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-12{grid-column:span 12;}
.anchor-offset{scroll-margin-top:130px;}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:0;}
.timeline::before{content:"";position:absolute;left:17px;top:14px;bottom:16px;width:2px;background:linear-gradient(180deg,var(--primary-line),rgba(20,88,110,.04));}
.tl-item{position:relative;padding:0 0 30px 60px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{position:absolute;left:0;top:0;width:36px;height:36px;border-radius:999px;background:#fff;border:2px solid var(--primary);color:var(--primary);display:grid;place-items:center;font-size:13.5px;font-weight:700;box-shadow:0 0 0 4px rgba(20,88,110,.06);}
.tl-item h3{font-size:19px;margin-bottom:6px;}
.tl-item p{font-size:15px;color:var(--body);}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.chip{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;background:var(--soft);color:var(--body);font-size:12.5px;font-weight:500;}
.chip-accent{background:rgba(199,106,58,.10);color:var(--accent);font-weight:600;}
.chip-primary{background:var(--primary-soft);color:var(--primary);font-weight:600;}

/* ===== Info blocks / cards ===== */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.info-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.info-card i.ico{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-size:15px;margin-bottom:14px;}
.info-card h3{font-size:17px;margin-bottom:8px;}
.info-card p{font-size:14.5px;color:var(--body);}

.note-card{background:#fff;border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.note-card h3{font-size:16.5px;margin-bottom:8px;}
.note-card p{font-size:14.5px;}

/* ===== Rows list ===== */
.row-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.row-item{display:grid;grid-template-columns:1.15fr 1.6fr .95fr auto;gap:20px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line);transition:background-color .2s ease-out;}
.row-item:last-child{border-bottom:0;}
.row-item:hover{background:#F8FBFC;}
.row-item .r-name{font-size:15.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:10px;}
.row-item .r-name b{font-size:12px;color:var(--primary);background:var(--primary-soft);border-radius:6px;padding:2px 7px;font-weight:700;}
.row-item .r-desc{font-size:14px;color:var(--body);}
.row-item .r-time{font-size:14px;font-weight:600;color:var(--primary);}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;}
.badge-ready{background:rgba(20,88,110,.10);color:var(--primary);}
.badge-normal{background:rgba(107,123,133,.12);color:var(--neutral);}
.badge-custom{background:rgba(199,106,58,.12);color:var(--accent);}

/* ===== Metric summary ===== */
.metric-card{background:var(--primary);border-radius:var(--radius-lg);padding:28px;color:#fff;box-shadow:0 14px 34px rgba(20,88,110,.20);}
.metric-card h3{color:#fff;font-size:17px;margin-bottom:6px;}
.metric-card .m-sub{font-size:13.5px;color:rgba(255,255,255,.72);}
.metric-line{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding:18px 0;border-bottom:1px dashed rgba(255,255,255,.22);}
.metric-line:last-of-type{border-bottom:0;padding-bottom:0;}
.metric-line .m-label{font-size:13.5px;color:rgba(255,255,255,.78);}
.metric-line .m-value{font-size:34px;font-weight:800;line-height:1;letter-spacing:-1px;}
.metric-line .m-value em{font-size:13px;font-style:normal;font-weight:600;margin-left:4px;color:rgba(255,255,255,.78);}
.metric-line .m-value.up{color:#F0B08A;}
.metric-line .m-value.flat{color:#fff;}

/* ===== Numbered rows ===== */
.num-list{margin-top:6px;}
.num-row{display:grid;grid-template-columns:56px 1fr 30px;gap:18px;align-items:center;padding:20px 18px 20px 14px;border-bottom:1px solid var(--line);position:relative;transition:background-color .2s ease-out;}
.num-row:last-child{border-bottom:0;}
.num-row::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:transparent;transition:background-color .2s ease-out;}
.num-row:hover{background:#F8FBFC;}
.num-row:hover::before{background:var(--primary);}
.num-row .num{font-size:15px;font-weight:800;color:var(--primary);letter-spacing:1px;}
.num-row h3{font-size:17px;margin-bottom:4px;}
.num-row p{font-size:14px;color:var(--body);}
.num-row .arrow{color:var(--muted);transition:transform .2s ease-out,color .2s ease-out;}
.num-row:hover .arrow{color:var(--primary);transform:translateX(4px);}

/* ===== Picture cards ===== */
.pic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .2s ease-out,transform .2s ease-out;}
.pic-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.pic-frame{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7EEF1;}
.pic-frame img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease-out;}
.pic-card:hover .pic-frame img{transform:scale(1.03);}
.pic-body{padding:24px;}
.pic-body h3{font-size:19px;margin-bottom:10px;}
.pic-body p{font-size:14.5px;color:var(--body);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ===== FAQ ===== */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:10px 28px;box-shadow:var(--shadow);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;padding:18px 4px;font-size:16.5px;font-weight:600;color:var(--ink);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-icon{flex:0 0 auto;width:28px;height:28px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);font-size:12px;transition:transform .25s ease-out,background-color .2s ease-out;}
.faq-item[open] .faq-icon{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(180deg);}
.faq-body{padding:4px 4px 24px;font-size:15.5px;color:var(--body);}
.faq-body-inner{background:#F7F9FA;border-radius:12px;padding:18px 20px;}

/* ===== CTA ===== */
.cta-band{background:linear-gradient(120deg,#10485B 0%,#14586E 58%,#1A6A80 100%);border-radius:var(--radius-lg);padding:48px;color:#fff;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;margin-top:12px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:stretch;}
.cta-contact{font-size:13.5px;color:rgba(255,255,255,.76);display:flex;align-items:center;gap:8px;}
.cta-contact i{color:#F0B08A;}

/* ===== Footer ===== */
.site-footer{background:#F5F8FA;border-top:1px solid var(--line);margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px;}
.footer-brand-desc{font-size:13.5px;color:var(--body);margin-top:16px;max-width:340px;line-height:1.8;}
.footer-contact{margin-top:18px;font-size:13.5px;color:var(--body);display:flex;flex-direction:column;gap:8px;}
.footer-contact i{color:var(--primary);width:16px;margin-right:6px;}
.footer-title{font-size:14px;font-weight:700;color:var(--primary);margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:13.5px;color:var(--body);}
.footer-list a:hover{color:var(--primary);text-decoration:underline;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--muted);}

/* ===== Responsive ===== */
@media (max-width:1279px){
  .container-x{padding:0 28px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-title{font-size:34px;}
  .grid-12{grid-template-columns:repeat(6,1fr);}
  .col-4,.col-5,.col-7,.col-8{grid-column:span 6;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
  .search-box{display:none;}
}
@media (max-width:767px){
  html body{font-size:16px;}
  .section{padding:56px 0;}
  .container-x{padding:0 20px;}
  .page-title{font-size:29px;}
  .section-title{font-size:24px;}
  .section-head{margin-bottom:32px;}
  .row-item{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
  .row-item .r-time{font-size:14px;}
  .info-grid{grid-template-columns:1fr;}
  .hero-facts{gap:24px;}
  .hero-fact-num{font-size:26px;}
  .tl-item{padding-left:52px;}
  .faq-wrap{padding:6px 18px;}
  .faq-item summary{font-size:15.5px;min-height:60px;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:23px;}
  .metric-line .m-value{font-size:28px;}
  .num-row{grid-template-columns:44px 1fr 24px;gap:12px;padding:16px 10px 16px 12px;}
  .header-top .container-x{height:62px;}
  .channel-scroll{height:46px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .btn{width:100%;}
  .hero-actions{gap:12px;}
  .cta-actions .btn{width:100%;}
}