/* roulang page: index */
:root{
  --brand-600:#0E9E8C;
  --brand-500:#12B5A0;
  --brand-050:#E7F7F4;
  --accent-500:#FF6A3D;
  --accent-050:#FFF1EB;
  --ink-900:#12151A;
  --ink-700:#3A4048;
  --ink-500:#6B7480;
  --line:#E6E8E6;
  --bg:#F6F7F6;
  --card:#FFFFFF;
  --danger:#D64545;
  --radius-card:16px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(18,21,26,.06);
  --shadow-2:0 12px 32px rgba(18,21,26,.10);
  --shadow-3:0 24px 64px rgba(18,21,26,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink-700);background:var(--bg);
  text-align:left;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;border-radius:var(--radius-img);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,21,26,.06);}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap;letter-spacing:-.01em;}
.logo .logo-mark{width:28px;height:28px;flex:0 0 auto;color:var(--brand-600);}
.nav-links{display:flex;align-items:center;gap:28px;margin-right:auto;}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink-700);transition:color .2s var(--ease);}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.nav-links a:hover{color:var(--brand-600);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-600);}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.search-box{position:relative;display:flex;align-items:center;width:220px;}
.search-box .search-icon{position:absolute;left:13px;width:16px;height:16px;color:var(--ink-500);pointer-events:none;}
.search-box input{width:100%;height:40px;border:1px solid var(--line);border-radius:999px;background:#fff;padding:0 16px 0 38px;font-size:14px;color:var(--ink-900);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.search-box input::placeholder{color:var(--ink-500);}
.search-box input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 2px rgba(14,158,140,.20);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;align-items:center;justify-content:center;color:var(--ink-900);background:#fff;transition:border-color .2s var(--ease);}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-600);}
.nav-toggle svg{width:20px;height:20px;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .16s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#0C8A7A;box-shadow:var(--shadow-2);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 2px 10px rgba(255,106,61,.28);}
.btn-accent:hover{background:#EE5A2C;box-shadow:0 10px 26px rgba(255,106,61,.30);}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink-900);}
.btn-secondary:hover{border-color:var(--brand-600);color:var(--brand-600);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);position:relative;}
.text-link svg{width:15px;height:15px;transition:transform .2s var(--ease);}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:100%;background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);}
.text-link:hover::after{transform:scaleX(1);}
.text-link:hover svg{transform:translateX(4px);}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:620px;display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(18,21,26,.72),rgba(18,21,26,.55)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;color:#fff;overflow:hidden;
}
.hero-inner{position:relative;z-index:2;width:100%;padding:88px 0;max-width:700px;}
.eyebrow-light{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;font-weight:600;color:#8FE6DA;
  background:rgba(14,158,140,.18);border:1px solid rgba(143,230,218,.35);
  padding:6px 14px;border-radius:999px;
}
.hero-title{
  margin-top:20px;font-size:clamp(2.25rem,5vw,4rem);font-weight:800;
  line-height:1.08;letter-spacing:-.02em;color:#fff;max-width:16em;
}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18);}
.hero-points li{position:relative;font-size:13px;color:rgba(255,255,255,.78);padding-left:16px;}
.hero-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.hero-float{
  position:absolute;right:24px;bottom:56px;z-index:3;
  width:240px;background:#fff;border-radius:16px;padding:20px;
  box-shadow:var(--shadow-3);color:var(--ink-900);
}
.hero-float strong{display:block;font-size:30px;font-weight:800;line-height:1.2;color:var(--brand-600);font-variant-numeric:tabular-nums;}
.hero-float span{display:block;margin-top:6px;font-size:13px;color:var(--ink-500);line-height:1.7;}

/* ===== Section basics ===== */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-white{background:#fff;}
.section-brand{background:var(--brand-050);}
.section-ink{background:var(--ink-900);color:#fff;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:44px;}
.section-head.on-dark{border-color:rgba(255,255,255,.14);}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);margin-bottom:12px;}
.section-title{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.25;color:var(--ink-900);letter-spacing:-.01em;}
.section-title.on-dark{color:#fff;}
.section-desc{max-width:46ch;font-size:15px;line-height:1.8;color:var(--ink-500);}
.section-desc.on-dark{color:rgba(255,255,255,.72);}

/* ===== Service asymmetric ===== */
.service-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,158,140,.30);}
.service-lg{grid-column:span 6;display:flex;flex-direction:column;gap:18px;}
.service-sm{grid-column:span 3;}
.service-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);}
.card-title{font-size:1.125rem;font-weight:650;line-height:1.45;color:var(--ink-900);}
.card-text{font-size:14px;line-height:1.8;color:var(--ink-500);}
.service-list{margin-top:4px;display:flex;flex-direction:column;gap:10px;}
.service-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-700);}
.service-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.service-foot{margin-top:auto;padding-top:8px;}

/* ===== Stats ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:8px 30px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat:last-child{padding-right:0;}
.stat .stat-num{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.1;color:var(--ink-900);font-variant-numeric:tabular-nums;}
.stat .stat-unit{font-size:13px;font-weight:600;color:var(--brand-600);margin-left:4px;}
.stat .stat-label{margin-top:10px;font-size:14px;color:var(--ink-500);}

/* ===== Cases scroll band ===== */
.case-track{display:flex;gap:24px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;}
.case-track::-webkit-scrollbar{height:8px;}
.case-track::-webkit-scrollbar-thumb{background:#D8DCD9;border-radius:8px;}
.case-track::-webkit-scrollbar-track{background:transparent;}
.case-card{flex:0 0 300px;scroll-snap-align:start;padding:18px;}
.case-card .case-cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);transition:transform .32s var(--ease);}
.case-card:hover .case-cover{transform:scale(1.03);}
.case-cover-wrap{overflow:hidden;border-radius:var(--radius-img);}
.case-card h3{margin-top:16px;}
.case-card p{margin-top:8px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:600;letter-spacing:.02em;}
.pill-muted{background:#F1F3F1;color:var(--ink-500);}

/* ===== Flow ===== */
.flow-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0;}
.flow-row + .flow-row{border-top:1px solid var(--line);}
.flow-row.is-reverse .flow-media{order:2;}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
.flow-index{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid rgba(14,158,140,.45);border-radius:14px;color:var(--brand-600);font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;}
.flow-body h3{margin-top:18px;font-size:1.25rem;font-weight:700;color:var(--ink-900);line-height:1.4;}
.flow-body p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-500);}
.flow-body ul{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.flow-body ul li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-700);}
.flow-body ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--brand-500);}

/* ===== News (CMS) ===== */
.news-feature{display:grid;grid-template-columns:6fr 6fr;gap:0;overflow:hidden;padding:0;margin-bottom:24px;}
.news-feature .news-media{display:block;overflow:hidden;}
.news-feature .news-media img{width:100%;height:100%;min-height:280px;object-fit:cover;border-radius:0;transition:transform .32s var(--ease);}
.news-feature:hover .news-media img{transform:scale(1.03);}
.news-feature .news-body{padding:32px;display:flex;flex-direction:column;gap:14px;}
.news-feature h3{font-size:1.375rem;font-weight:700;line-height:1.4;color:var(--ink-900);}
.news-feature h3 a{transition:color .2s var(--ease);}
.news-feature h3 a:hover{color:var(--brand-600);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{padding:18px;display:flex;flex-direction:column;gap:12px;}
.news-card .news-cover-wrap{overflow:hidden;border-radius:var(--radius-img);}
.news-card .news-cover{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease);}
.news-card:hover .news-cover{transform:scale(1.03);}
.news-card h3{font-size:1.0625rem;font-weight:650;line-height:1.45;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{transition:color .2s var(--ease);}
.news-card h3 a:hover{color:var(--brand-600);}
.news-card p{font-size:14px;line-height:1.75;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);}
.meta .dot{width:3px;height:3px;border-radius:50%;background:#C7CCC8;}
.news-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  gap:10px;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-state svg{width:40px;height:40px;color:var(--brand-600);}
.empty-state strong{font-size:16px;font-weight:600;color:var(--brand-600);}
.empty-state span{font-size:14px;color:var(--ink-500);}
.empty-state .btn{margin-top:12px;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.faq-item:hover{border-color:rgba(14,158,140,.30);}
.faq-item.is-open{border-color:rgba(14,158,140,.45);box-shadow:var(--shadow-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;line-height:1.6;}
.faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;color:var(--brand-600);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);border-left:3px solid transparent;}
.faq-item.is-open .faq-a{max-height:400px;border-left-color:var(--brand-600);background:var(--brand-050);}
.faq-a p{padding:0 24px 24px 21px;font-size:15px;line-height:1.85;color:var(--ink-700);margin:0;}

/* ===== CTA / form ===== */
.cta{position:relative;background:var(--ink-900);color:#fff;overflow:hidden;}
.cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,158,140,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(14,158,140,.10) 1px,transparent 1px);
  background-size:56px 56px;opacity:.55;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;padding:96px 0;}
.cta h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.3;color:#fff;}
.cta .cta-lead{margin-top:16px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.74);max-width:36ch;}
.contact-list{margin-top:32px;display:flex;flex-direction:column;gap:16px;}
.contact-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:rgba(255,255,255,.82);}
.contact-list svg{width:18px;height:18px;flex:0 0 auto;color:var(--brand-500);margin-top:3px;}
.form-card{background:#fff;border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-3);color:var(--ink-700);}
.form-card h3{font-size:1.125rem;font-weight:700;color:var(--ink-900);}
.form-card .form-note{margin-top:6px;font-size:13px;color:var(--ink-500);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:span 2;}
.field label{font-size:13px;font-weight:600;color:var(--ink-900);}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-input);
  padding:0 14px;font-size:14px;background:#fff;color:var(--ink-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 2px rgba(14,158,140,.20);}
.field .hint{font-size:12px;color:var(--ink-500);}
.form-actions{grid-column:span 2;display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px;}
.form-status{font-size:13px;color:var(--brand-600);}

/* ===== Footer ===== */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:72px 0 48px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo .logo-mark{color:var(--brand-500);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:34ch;}
.footer-brand .footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.62);}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease),transform .2s var(--ease);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 32px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.25);color:#fff;transition:background-color .2s var(--ease),border-color .2s var(--ease);}
.to-top:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.5);}
.to-top svg{width:16px;height:16px;}

/* ===== Drawer ===== */
.drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:84vw;background:#fff;z-index:120;padding:24px;transform:translateX(102%);transition:transform .28s var(--ease);display:flex;flex-direction:column;gap:22px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--ink-900);}
.drawer-close svg{width:18px;height:18px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{padding:14px 0;font-size:16px;font-weight:500;color:var(--ink-700);border-bottom:1px solid var(--line);}
.drawer-nav a.is-active{color:var(--brand-600);border-left:3px solid var(--brand-600);padding-left:12px;}
.drawer .search-box{width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(18,21,26,.45);z-index:110;opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .32s var(--ease),transform .32s var(--ease);}

/* ===== Responsive ===== */
@media (max-width:1279px){
  .container{max-width:1160px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-actions .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{min-height:560px;}
  .hero-float{display:none;}
  .service-lg{grid-column:span 12;}
  .service-sm{grid-column:span 6;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{padding:72px 0;gap:40px;}
}
@media (max-width:900px){
  .news-feature{grid-template-columns:1fr;}
  .news-feature .news-media img{min-height:220px;}
  .flow-row{grid-template-columns:1fr;gap:28px;}
  .flow-row.is-reverse .flow-media{order:0;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .stat{padding:0 0 0 20px;}
  .stat:nth-child(odd){border-left:0;padding-left:0;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .hero{min-height:480px;}
  .hero-inner{padding:72px 0;}
  .hero-sub{font-size:16px;}
  .service-sm{grid-column:span 12;}
  .news-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .field.full,.form-actions{grid-column:span 1;}
  .form-card{padding:24px;}
  .nav-inner{height:64px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .hero{min-height:460px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:14px;}
  .hero-points li{font-size:12px;}
  .card{padding:20px;}
  .news-feature .news-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .case-card{flex:0 0 260px;}
  .faq-q{padding:18px 20px;font-size:15px;}
  .faq-a p{padding:0 20px 20px 17px;}
}
@media (max-width:420px){
  .hero{min-height:420px;}
  .logo{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .card:hover,.news-card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand-600:#0E9E8C;
  --brand-500:#12B5A0;
  --brand-050:#E7F7F4;
  --accent-500:#FF6A3D;
  --accent-050:#FFF1EB;
  --ink-900:#12151A;
  --ink-700:#3A4048;
  --ink-500:#6B7480;
  --line:#E6E8E6;
  --bg:#F6F7F6;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-input:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,21,26,.06);
  --shadow-2:0 12px 32px rgba(18,21,26,.10);
  --shadow-3:0 24px 64px rgba(18,21,26,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"Noto Sans SC","Source Han Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-050);color:var(--ink-900)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:40px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.25;color:var(--ink-900);letter-spacing:-.01em}
.section-head p{font-size:15px;color:var(--ink-500);max-width:520px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--brand-600);margin-bottom:12px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,21,26,.06)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink-900);white-space:nowrap;flex-shrink:0}
.logo-mark{width:26px;height:26px;color:var(--brand-600);flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--ink-700);padding:24px 0;transition:color .18s var(--ease)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--brand-600);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-links a:hover{color:var(--brand-600)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-600)}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-search{position:relative;display:flex;align-items:center;width:220px}
.header-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--ink-500);pointer-events:none}
.header-search input{
  width:100%;height:40px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:var(--radius-pill);
  background:#fff;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.header-search input::placeholder{color:var(--ink-500)}
.header-search input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,158,140,.2)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:#fff;cursor:pointer;color:var(--ink-900);transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-600)}
.nav-toggle svg{width:20px;height:20px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:#0C8C7C;box-shadow:0 10px 24px rgba(14,158,140,.24)}
.btn-secondary{background:#fff;color:var(--ink-900);border-color:var(--ink-900)}
.btn-secondary:hover{color:var(--brand-600);border-color:var(--brand-600)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--shadow-1)}
.btn-accent:hover{background:#F2592C;box-shadow:0 10px 24px rgba(255,106,61,.26)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px}
.text-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(4px)}
.text-link span{position:relative}
.text-link span::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.text-link:hover span::after{transform:scaleX(1)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(18,21,26,.45);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:80}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,300px);background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .26s var(--ease);
  padding:24px 20px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--shadow-3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--radius-pill);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px}
.drawer nav{display:flex;flex-direction:column;gap:2px}
.drawer nav a{padding:12px 14px;border-left:3px solid transparent;font-size:15px;font-weight:500;color:var(--ink-700);border-radius:0 10px 10px 0;transition:background-color .18s var(--ease),color .18s var(--ease)}
.drawer nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.drawer nav a.is-active{border-left-color:var(--brand-600);color:var(--brand-600);background:var(--brand-050)}
.drawer .btn{width:100%}

/* 面包屑 */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding:16px 0;flex-wrap:nowrap;overflow:hidden}
.breadcrumb a{color:var(--ink-500);transition:color .18s var(--ease);white-space:nowrap}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C9CDCB}
.breadcrumb .current{color:var(--ink-900);font-weight:600;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章布局 */
.article-wrap{padding:48px 0 96px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;max-width:1100px;margin:0 auto}
.article-content{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:40px;box-shadow:var(--shadow-1)}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px}
.article-head h1{font-size:clamp(1.75rem,3vw,2.375rem);font-weight:800;line-height:1.28;letter-spacing:-.02em;color:var(--ink-900);margin-bottom:16px}
.article-cat{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--radius-pill);background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:700;margin-bottom:14px}
.meta-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-500)}
.meta-row i{font-style:normal;color:#C9CDCB}

/* 正文排版 */
.article-body{max-width:100%;font-size:17px;line-height:1.9;color:var(--ink-700)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:1.375rem;font-weight:700;color:var(--ink-900);line-height:1.4;
  margin:48px 0 16px;padding-left:14px;border-left:3px solid var(--brand-600);
}
.article-body h3{font-size:1.125rem;font-weight:650;color:var(--ink-900);line-height:1.5;margin:32px 0 12px}
.article-body h4{font-size:1rem;font-weight:700;color:var(--ink-900);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li::marker{color:var(--brand-600);font-weight:700}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(14,158,140,.35)}
.article-body a:hover{border-bottom-color:var(--brand-600)}
.article-body strong{color:var(--ink-900);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--brand-050);
  border-left:4px solid var(--brand-600);border-radius:0 12px 12px 0;color:var(--ink-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--bg);color:var(--ink-900);font-weight:650;white-space:nowrap}
.article-body code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--ink-900)}
.article-body pre{background:var(--ink-900);color:#EDF2F1;padding:18px;border-radius:12px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7}
.article-body pre code{background:none;border:0;color:inherit;padding:0}

/* 空态 */
.empty-state{text-align:center;padding:64px 20px;border:1px dashed var(--line);border-radius:var(--radius-card);background:var(--bg)}
.empty-state svg{width:44px;height:44px;color:var(--brand-600);margin:0 auto 16px}
.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--ink-900);margin-bottom:8px;border:0;padding:0}
.empty-state p{font-size:14px;color:var(--ink-500);margin-bottom:20px}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-pill);background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;transition:background-color .18s var(--ease),color .18s var(--ease)}
.tag:hover{background:var(--brand-600);color:#fff}

/* 侧栏 */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.aside-card h3{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.aside-list{display:flex;flex-direction:column;gap:12px}
.aside-list a{display:block;font-size:14px;line-height:1.65;color:var(--ink-700);padding-left:14px;position:relative;transition:color .18s var(--ease)}
.aside-list a::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--brand-600)}
.aside-list a:hover{color:var(--brand-600)}
.aside-tags{display:flex;flex-wrap:wrap;gap:8px}
.aside-tags span{display:inline-flex;height:28px;align-items:center;padding:0 12px;border-radius:var(--radius-pill);border:1px solid var(--line);font-size:13px;color:var(--ink-500);transition:border-color .18s var(--ease),color .18s var(--ease)}
.aside-tags span:hover{border-color:var(--brand-600);color:var(--brand-600)}

/* 上一篇/下一篇 */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:1100px;margin:32px auto 0}
.post-nav-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.post-nav-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,158,140,.3)}
.post-nav-label{font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--brand-600)}
.post-nav-item strong{font-size:16px;font-weight:650;color:var(--ink-900);line-height:1.5}
.post-nav-item.is-next{text-align:right}
.post-nav-item.is-next .post-nav-label{order:2}

/* 相关推荐 */
.related{padding:88px 0 96px;background:#fff;border-top:1px solid var(--line)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,158,140,.3)}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:1.0625rem;font-weight:650;line-height:1.45;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:1.7;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-500)}
.card-link{position:absolute;inset:0;z-index:2}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:700}
.card-body .pill{align-self:flex-start}

/* 返回列表 */
.back-row{display:flex;justify-content:center;margin-top:40px}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{color:var(--brand-500)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.55)}
.to-top{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .18s var(--ease),background-color .18s var(--ease)}
.to-top:hover{border-color:var(--brand-500);background:rgba(18,181,160,.16)}
.to-top svg{width:18px;height:18px}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:1279px){
  .article-layout{grid-template-columns:1fr;max-width:780px;gap:32px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside .aside-card{flex:1 1 300px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .header-search{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px}
  .section{padding:64px 0}
  .article-content{padding:28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-body h2{margin-top:36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .article-wrap{padding:28px 0 64px}
  .article-content{padding:20px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:1.25rem;margin-top:32px}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.is-next{text-align:left}
  .post-nav-item.is-next .post-nav-label{order:0}
  .related{padding:56px 0 64px}
  .related-grid{grid-template-columns:1fr}
  .article-aside{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .breadcrumb .current{max-width:170px}
}
@media (max-width:479px){
  .article-head h1{font-size:1.5rem}
  .card-body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand-600:#0E9E8C;
  --brand-500:#12B5A0;
  --brand-050:#E7F7F4;
  --accent-500:#FF6A3D;
  --accent-050:#FFF1EB;
  --ink-900:#12151A;
  --ink-700:#3A4048;
  --ink-500:#6B7480;
  --line:#E6E8E6;
  --bg:#F6F7F6;
  --card:#FFFFFF;
  --danger:#D64545;
  --radius-card:16px;
  --radius-field:10px;
  --shadow-1:0 1px 2px rgba(18,21,26,.06);
  --shadow-2:0 12px 32px rgba(18,21,26,.10);
  --shadow-3:0 24px 64px rgba(18,21,26,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  font-family:"Noto Sans SC","Source Han Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink-700);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;letter-spacing:-.01em}
p{font-size:16px;line-height:1.85}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,21,26,.06)}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--ink-900);white-space:nowrap;
}
.logo-mark{width:26px;height:26px;color:var(--brand-600);flex:none}
.logo:hover .logo-mark{color:var(--brand-500)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-700);
  padding:6px 0;white-space:nowrap;transition:color .18s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-600)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--brand-600)}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:12px}
.search-box{position:relative;display:block}
.search-box .search-icon{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--ink-500);pointer-events:none;
}
.search-box input{
  width:224px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 16px 0 38px;font-size:14px;color:var(--ink-700);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input::placeholder{color:var(--ink-500)}
.search-box input:focus{
  outline:none;border-color:var(--brand-600);
  box-shadow:0 0 0 3px rgba(14,158,140,.18);
}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink-900);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.menu-toggle:hover{border-color:var(--brand-600);color:var(--brand-600)}
.menu-toggle svg{width:20px;height:20px}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,21,26,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:84vw;background:#fff;
  z-index:80;padding:22px 22px 32px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s var(--ease);
  box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-900);
}
.drawer-close:hover{border-color:var(--brand-600);color:var(--brand-600)}
.drawer-close svg{width:18px;height:18px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-nav a{
  padding:12px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-700);
  border-left:3px solid transparent;transition:background .18s var(--ease),color .18s var(--ease);
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.drawer-nav a.is-active{color:var(--brand-600);border-left-color:var(--brand-600);background:var(--brand-050)}
.drawer .search-box{margin-bottom:16px}
.drawer .search-box input{width:100%}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .12s var(--ease);
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:#0C8C7C;box-shadow:0 10px 24px rgba(14,158,140,.24)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:#F0552A;box-shadow:0 10px 24px rgba(255,106,61,.24)}
.btn-accent:active{transform:translateY(1px)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-secondary:hover{border-color:var(--brand-600);color:var(--brand-600)}
.btn-secondary:active{transform:translateY(1px)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:14.5px;
  font-weight:600;padding-bottom:2px;
  background-image:linear-gradient(var(--brand-600),var(--brand-600));
  background-size:0 1px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .22s var(--ease),color .18s var(--ease);
}
.text-link svg{width:15px;height:15px;transition:transform .2s var(--ease)}
.text-link:hover{background-size:100% 1px}
.text-link:hover svg{transform:translateX(4px)}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;display:flex;align-items:flex-end;overflow:hidden;
  min-height:340px;background:var(--ink-900);color:#fff;
}
.page-hero .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.page-hero .hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(14,158,140,.50) 0%,rgba(18,21,26,.55) 46%,rgba(18,21,26,.82) 100%),
    linear-gradient(180deg,rgba(18,21,26,.40),rgba(18,21,26,.72));
}
.hero-inner{position:relative;z-index:2;padding:68px 0 52px;max-width:780px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.76);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:#8BE7DA;margin-bottom:14px;
}
.hero-title{
  font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.12;
  letter-spacing:-.02em;color:#fff;
}
.hero-sub{
  margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);
  max-width:620px;
}
.hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;
  font-size:13px;color:rgba(255,255,255,.8);
}
.hero-meta span+span{padding-left:18px;border-left:1px solid rgba(255,255,255,.3)}

/* ============ 锚点子导航 ============ */
.anchor-bar{
  position:sticky;top:72px;z-index:40;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:none;display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--ink-700);
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.anchor-pill:hover{border-color:var(--brand-600);color:var(--brand-600)}
.anchor-pill.is-active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-head{max-width:720px;margin-bottom:48px}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.section-head::after{content:"";display:block;height:1px;background:var(--line);margin-top:22px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-600);margin-bottom:12px;
}
.section-title{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:700;line-height:1.25;color:var(--ink-900)}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--ink-500);max-width:640px}

/* ============ 两栏图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-body p+p{margin-top:1.2em}
.split-body h2{margin-bottom:18px}
.feature-list{margin-top:26px;border-top:1px solid var(--line)}
.feature-list li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.feature-list svg{width:20px;height:20px;color:var(--brand-600);flex:none;margin-top:3px}
.feature-list strong{display:block;font-size:15.5px;color:var(--ink-900);font-weight:650;line-height:1.5}
.feature-list span{display:block;font-size:14px;color:var(--ink-500);line-height:1.75;margin-top:4px}
.split-media{position:relative}
.split-media img{width:100%;border-radius:16px;box-shadow:var(--shadow-2);object-fit:cover}
.split-media .media-card{
  position:absolute;left:-16px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-2);min-width:190px;
}
.split-media .media-card b{display:block;font-size:1.5rem;font-weight:800;color:var(--brand-600)}
.split-media .media-card span{display:block;font-size:12.5px;color:var(--ink-500);margin-top:2px}

/* ============ 步骤 ============ */
.steps{display:grid;gap:18px}
.step{
  display:grid;grid-template-columns:104px 1fr;gap:26px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,158,140,.35)}
.step-num{
  font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--brand-600);
  font-variant-numeric:tabular-nums;
}
@supports not (-webkit-text-stroke:1px #000){.step-num{color:var(--brand-600)}}
.step-body h3{font-size:1.125rem;font-weight:650;line-height:1.4;margin-bottom:8px}
.step-body p{font-size:14.5px;color:var(--ink-500);line-height:1.8}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,158,140,.35)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:#EDEFEE}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:600;
  align-self:flex-start;letter-spacing:.02em;
}
.card-body h3{font-size:1.0625rem;font-weight:650;line-height:1.45}
.card-body p{font-size:14px;color:var(--ink-500);line-height:1.8}
.card-foot{margin-top:auto;padding-top:6px}

/* ============ FAQ ============ */
.faq-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.faq-list{display:grid;gap:14px;max-width:880px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{
  border-color:rgba(14,158,140,.45);background:#FBFDFC;
  box-shadow:inset 3px 0 0 var(--brand-600),var(--shadow-1);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;
}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--ink-700);line-height:1.85}

/* ============ CTA ============ */
.cta-band{position:relative;background:var(--ink-900);color:#fff;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(14,158,140,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,158,140,.10) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(circle at 20% 30%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 20% 30%,#000,transparent 72%);
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:96px 0;align-items:start}
.cta-info h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.25;margin-bottom:16px}
.cta-info p{color:rgba(255,255,255,.78);font-size:15.5px;max-width:460px}
.contact-list{margin-top:28px;display:grid;gap:2px}
.contact-list li{display:flex;align-items:center;gap:12px;padding:11px 0;font-size:14.5px;color:rgba(255,255,255,.82)}
.contact-list svg{width:18px;height:18px;color:var(--brand-500);flex:none}
.form-card{background:#fff;border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-3)}
.form-card h3{font-size:1.125rem;font-weight:650;margin-bottom:6px}
.form-card .form-hint{font-size:13px;color:var(--ink-500);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-900);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--radius-field);
  background:#fff;padding:0 14px;font-size:14.5px;color:var(--ink-700);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA2AB}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,158,140,.16);
}
.field.has-error input,.field.has-error textarea{border-color:var(--danger)}
.field .error-text{display:none;font-size:12px;color:var(--danger);margin-top:6px}
.field.has-error .error-text{display:block}
.form-success{
  display:none;background:#E9F7EF;border:1px solid #BFE3CE;color:#1B7A45;
  border-radius:var(--radius-field);padding:10px 14px;font-size:13.5px;margin-bottom:14px;
}
.form-success.is-visible{display:block}
.form-note{font-size:12px;color:var(--ink-500);margin-top:12px;line-height:1.7}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:72px 0 48px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo .logo-mark{color:var(--brand-500)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:330px}
.footer-contact{margin-top:18px;display:grid;gap:6px}
.footer-contact span{font-size:13.5px;color:rgba(255,255,255,.6)}
.footer-col h4{color:#fff;font-size:15px;font-weight:650;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .18s var(--ease),transform .18s var(--ease);
  display:inline-block;
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.58)}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.to-top:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.to-top svg{width:18px;height:18px}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{max-width:1160px}
}
@media (max-width:1024px){
  .nav-links,.header-right .search-box{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:60px}
  .anchor-bar{top:60px}
  .hero-inner{padding:56px 0 44px}
  .split{grid-template-columns:1fr;gap:38px}
  .split-media .media-card{left:16px;bottom:-16px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:36px;padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .page-hero{min-height:300px}
  .hero-inner{padding:48px 0 40px}
  .hero-sub{font-size:15px}
  .hero-meta{gap:12px;font-size:12.5px}
  .hero-meta span+span{padding-left:12px}
  .card-grid{grid-template-columns:1fr}
  .step{grid-template-columns:1fr;gap:12px;padding:22px}
  .step-num{font-size:2rem}
  .faq-q{font-size:15px;padding:18px 20px}
  .faq-a p{padding:0 20px 20px}
  .split-media .media-card{left:12px}
  .form-card{padding:22px}
}
@media (max-width:520px){
  .hero-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;margin-top:26px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-title{font-size:1.5rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --brand-600:#0E9E8C;
  --brand-500:#12B5A0;
  --brand-050:#E7F7F4;
  --accent-500:#FF6A3D;
  --accent-050:#FFF1EB;
  --ink-900:#12151A;
  --ink-700:#3A4048;
  --ink-500:#6B7480;
  --line:#E6E8E6;
  --bg:#F6F7F6;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(18,21,26,.06);
  --shadow-2:0 12px 32px rgba(18,21,26,.10);
  --shadow-3:0 24px 64px rgba(18,21,26,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --hdr:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"Noto Sans SC","Source Han Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--brand-600);font-weight:700;margin-bottom:12px;text-transform:uppercase;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(18,21,26,.06);}
.header-inner{height:var(--hdr);display:flex;align-items:center;gap:28px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink-900);white-space:nowrap;font-size:17px;}
.logo-mark{width:26px;height:26px;color:var(--brand-600);flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-700);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand-600);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-600);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{position:absolute;left:12px;width:16px;height:16px;color:var(--ink-500);}
.search-box input{
  width:216px;height:42px;padding:0 14px 0 36px;border:1px solid var(--line);
  border-radius:999px;background:#fff;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search-box input::placeholder{color:var(--ink-500);}
.search-box input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,158,140,.2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn-primary{background:var(--brand-600);color:#fff;}
.btn-primary:hover{background:#0c8b7b;box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:#fff;border-color:var(--ink-900);color:var(--ink-900);}
.btn-secondary:hover{border-color:var(--brand-600);color:var(--brand-600);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:#ef5a2d;box-shadow:var(--shadow-2);}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none;}
.arrow{display:inline-block;transition:transform .2s var(--ease);}
.btn:hover .arrow,.text-link:hover .arrow{transform:translateX(4px);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;color:var(--ink-900);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,21,26,.45);opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,300px);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .24s var(--ease);
  padding:22px 20px;display:flex;flex-direction:column;gap:20px;box-shadow:var(--shadow-3);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .logo{font-size:16px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{
  padding:12px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink-700);
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.drawer-nav a.is-active{color:var(--brand-600);border-left-color:var(--brand-600);background:var(--brand-050);font-weight:600;}
.drawer .search-box input{width:100%;}
.drawer-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.drawer-close svg{width:16px;height:16px;}

/* ---------- compact hero ---------- */
.page-hero{
  position:relative;overflow:hidden;border-radius:0;
  min-height:340px;display:flex;align-items:center;
  background-image:linear-gradient(100deg,rgba(18,21,26,.86),rgba(18,21,26,.6) 55%,rgba(14,158,140,.42)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -60px -140px auto;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,181,160,.35),transparent 68%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(255,255,255,.42);}
.crumb .now{color:#fff;font-weight:600;}
.page-hero h1{
  color:#fff;font-size:clamp(2rem,4.2vw,3.125rem);font-weight:800;line-height:1.12;letter-spacing:-.02em;
  max-width:18ch;
}
.page-hero .hero-sub{
  margin-top:16px;max-width:640px;color:rgba(255,255,255,.84);font-size:16px;line-height:1.75;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;font-size:13px;font-weight:500;
  backdrop-filter:blur(6px);
}
.hero-chip i{width:6px;height:6px;border-radius:50%;background:var(--brand-500);display:inline-block;}

/* ---------- anchor pills ---------- */
.anchor-bar{
  position:sticky;top:var(--hdr);z-index:40;background:rgba(246,247,246,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--ink-700);
  transition:all .18s var(--ease);
}
.anchor-inner a:hover{border-color:var(--brand-600);color:var(--brand-600);}
.anchor-inner a.is-current{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600;}

/* ---------- sections ---------- */
.section{padding:88px 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-head h2{font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.25;}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:16px;max-width:56ch;}
.rule{height:1px;background:var(--line);margin-top:28px;}

/* ---------- staggered card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(14,158,140,.3);}
.card-grid .card:nth-child(even){margin-top:56px;}
.card-cover{position:relative;overflow:hidden;border-radius:var(--radius-img);margin-bottom:18px;aspect-ratio:16/10;background:var(--brand-050);}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-img);transition:transform .32s var(--ease);}
.card:hover .card-cover img{transform:scale(1.03);}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:600;
}
.tag-accent{background:var(--accent-050);color:#D9522A;}
.card h3{font-size:1.125rem;font-weight:650;line-height:1.45;}
.card p{margin-top:10px;font-size:14px;color:var(--ink-500);line-height:1.75;}
.card-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-500);}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:14px;}
.text-link:hover{text-decoration:underline;text-underline-offset:4px;}

/* ---------- timeline ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start;}
.timeline{position:relative;padding-left:0;margin-top:8px;}
.tl-item{position:relative;padding:0 0 34px 72px;}
.tl-item::before{
  content:"";position:absolute;left:26px;top:44px;bottom:-4px;width:1px;background:var(--line);
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-num{
  position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;
  border:1px solid var(--brand-600);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;background:#fff;
}
.tl-item h3{font-size:1.0625rem;font-weight:650;}
.tl-item p{margin-top:8px;font-size:14px;color:var(--ink-500);}

/* ---------- table ---------- */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px;box-shadow:var(--shadow-1);
}
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;min-width:520px;}
th,td{text-align:left;padding:16px 18px;font-size:14px;border-bottom:1px solid var(--line);}
th{background:var(--brand-050);color:var(--ink-900);font-weight:650;font-size:13px;letter-spacing:.02em;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#FAFBFB;}
td strong{color:var(--ink-900);font-weight:600;}
.state{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;}
.state-warn{background:var(--accent-050);color:#D9522A;}
.state-ok{background:var(--brand-050);color:var(--brand-600);}

/* ---------- info strip ---------- */
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.strip-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1);}
.strip-item .ic{width:40px;height:40px;border-radius:12px;background:var(--brand-050);color:var(--brand-600);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.strip-item .ic svg{width:20px;height:20px;}
.strip-item h3{font-size:1rem;font-weight:650;}
.strip-item p{margin-top:8px;font-size:14px;color:var(--ink-500);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:rgba(14,158,140,.4);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-q:hover{color:var(--brand-600);}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:16px;font-weight:700;line-height:1;
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.faq-item.is-open .faq-sign{background:var(--brand-600);color:#fff;border-color:var(--brand-600);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s var(--ease);}
.faq-a > div{overflow:hidden;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a p{padding:0 24px 22px 24px;font-size:15px;color:var(--ink-700);line-height:1.8;}
.faq-item.is-open .faq-q{box-shadow:inset 3px 0 0 var(--brand-600);background:var(--brand-050);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-900);color:#fff;border-radius:0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(18,181,160,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(18,181,160,.10) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;padding:88px 0;align-items:start;}
.cta-inner h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.125rem);line-height:1.3;}
.cta-inner .lead{margin-top:16px;color:rgba(255,255,255,.72);font-size:15px;max-width:44ch;}
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.contact-list li{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.82);}
.contact-list svg{width:18px;height:18px;color:var(--brand-500);flex:0 0 auto;}
.form-card{background:#fff;border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-3);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:13px;font-weight:600;color:var(--ink-900);}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,158,140,.2);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#D64545;}
.field .err{font-size:12px;color:#D64545;display:none;}
.field.has-error .err{display:block;}
.form-hint{font-size:12px;color:var(--ink-500);margin-top:12px;}
.form-ok{
  display:none;margin-bottom:16px;padding:12px 16px;border-radius:var(--radius-input);
  background:var(--brand-050);color:#0B7D6E;font-size:14px;font-weight:600;border:1px solid rgba(14,158,140,.28);
}
.form-ok.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:72px 0 48px;}
.footer-brand .logo{color:#fff;font-size:17px;}
.footer-brand .logo-mark{color:var(--brand-500);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:34ch;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:14px;font-weight:650;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;
}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:transparent;
  color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.to-top:hover{background:var(--brand-600);border-color:var(--brand-600);}
.to-top svg{width:16px;height:16px;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .cta-inner{gap:40px;}
}
@media (max-width:1023px){
  .nav-links,.header-right .search-box,.header-right .btn{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-inner{gap:16px;}
  .page-hero{min-height:300px;}
  .section{padding:64px 0;}
  .split{grid-template-columns:1fr;gap:40px;}
  .cta-inner{grid-template-columns:1fr;padding:64px 0;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px;}
  .strip{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .page-hero{min-height:280px;}
  .page-hero .container{padding-top:48px;padding-bottom:48px;}
  .section{padding:48px 0;}
  .card-grid{grid-template-columns:1fr;gap:20px;}
  .card-grid .card:nth-child(even){margin-top:0;}
  .card{padding:20px;}
  .strip{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;padding:48px 0 28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .anchor-bar{top:60px;}
  .tl-item{padding-left:60px;}
  .tl-num{width:44px;height:44px;font-size:15px;}
  .tl-item::before{left:22px;top:38px;}
}
@media (max-width:479px){
  .page-hero{min-height:260px;}
  .page-hero h1{font-size:1.875rem;}
  .hero-chip{height:30px;padding:0 12px;font-size:12px;}
  .btn{width:100%;}
  .hero-meta{gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}