/* roulang page: index */
:root{
  --c-brand:#0E9F73;
  --c-brand-dark:#0B8661;
  --c-brand-soft:#E6F5EF;
  --c-lime:#CDF25E;
  --c-ink:#0B1512;
  --c-ink-2:#16241F;
  --c-bg:#F6F8F6;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E4;
  --c-txt:#12201C;
  --c-txt-2:#5A6B65;
  --c-muted:#93A29C;
  --c-warn:#D4633A;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,21,18,.06);
  --sh-2:0 8px 24px rgba(11,21,18,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
  --cw:1200px;
  --mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--c-bg);
  color:var(--c-txt);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.3;font-weight:800}
:focus-visible{outline:3px solid rgba(14,159,115,.28);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-lime);color:var(--c-ink)}

.container{width:100%;max-width:var(--cw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--c-ink);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand);background:var(--c-brand-soft);
  border-radius:var(--r-badge);padding:6px 12px;
}
.section-dark .eyebrow{background:rgba(205,242,94,.14);color:var(--c-lime)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-top:14px}
.section-head .lead{max-width:520px;font-size:15px;color:var(--c-txt-2);line-height:1.8;margin-top:12px}
.section-dark .section-head .lead{color:rgba(255,255,255,.7)}
.rule-tick{
  height:12px;
  background-image:repeating-linear-gradient(to right,var(--c-line) 0 1px,transparent 1px 14px);
  border-top:1px solid var(--c-line);
  opacity:.95;
}
.section-dark .rule-tick{background-image:repeating-linear-gradient(to right,rgba(255,255,255,.22) 0 1px,transparent 1px 14px);border-top:1px solid rgba(255,255,255,.14)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:rgba(14,159,115,.4);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{background:var(--c-muted);color:#fff;cursor:not-allowed;transform:none;border-color:transparent}
.link-arrow{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;color:var(--c-brand);min-height:44px}
.link-arrow::after{
  content:"";width:24px;height:2px;background:var(--c-brand);border-radius:2px;
  transition:transform .22s var(--ease);
}
.link-arrow:hover::after{transform:translateX(4px)}
.section-dark .link-arrow{color:var(--c-lime)}
.section-dark .link-arrow::after{background:var(--c-lime)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:var(--r-badge);padding:4px 10px;
}
.badge-muted{background:#EDF1EE;color:#5A6B65}
.badge-lime{background:rgba(205,242,94,.35);color:#2C4410}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,248,246,.94);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1);background:rgba(255,255,255,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--c-ink);position:relative;flex:none;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;left:6px;right:6px;height:3px;border-radius:2px;
  background:var(--c-lime);
}
.brand-mark::before{top:9px;transform:skewX(-24deg)}
.brand-mark::after{bottom:9px;background:var(--c-brand);transform:skewX(-24deg)}
.brand-text{font-size:18px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em}
.brand-text span{color:var(--c-brand)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;font-size:15px;font-weight:600;color:var(--c-txt-2);
  border-radius:var(--r-pill);transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.active{color:var(--c-brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--c-brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.header-tabbar{display:none}

/* Hero */
.hero{position:relative;background:var(--c-bg);overflow:hidden}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;align-items:center;padding:72px 0 80px;
}
.hero h1{font-size:clamp(28px,3.4vw,44px);margin:20px 0 0;color:var(--c-ink)}
.hero-sub{font-size:clamp(16px,1.3vw,19px);color:var(--c-txt-2);line-height:1.8;margin-top:18px;max-width:580px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-txt-2)}
.hero-trust li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-brand);flex:none}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;min-height:420px;
  background:var(--c-brand-soft);
  box-shadow:var(--sh-2);
}
.hero-visual img{width:100%;height:100%;min-height:420px;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:rgba(11,21,18,.62);
}
.hero-float{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:2;
  background:var(--c-ink-2);border-radius:var(--r-card);padding:20px 22px;
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
  border:1px solid rgba(255,255,255,.08);
}
.hero-float .num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--c-lime);line-height:1.1;
}
.hero-float .lbl{font-size:12px;color:rgba(255,255,255,.7);margin-top:6px}
.hero-badge-num{
  position:absolute;top:22px;left:22px;z-index:2;
  background:rgba(11,21,18,.72);color:#fff;border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;font-weight:700;display:flex;align-items:center;gap:8px;
}
.hero-badge-num i{width:8px;height:8px;border-radius:50%;background:var(--c-lime);display:block}

/* 指标看板 */
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  position:relative;background:var(--c-ink-2);border-radius:var(--r-card);
  padding:28px 24px 26px;overflow:hidden;border:1px solid rgba(255,255,255,.06);
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.metric-card:hover{transform:translateY(-2px);border-color:rgba(205,242,94,.34)}
.metric-card::after{
  content:"";position:absolute;right:0;bottom:0;width:26px;height:26px;
  background:linear-gradient(45deg,rgba(11,21,18,.9) 46%,var(--c-brand) 50%);
}
.metric-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(36px,4.4vw,56px);font-weight:800;color:#fff;line-height:1.05;
}
.metric-num em{font-style:normal;font-size:18px;color:var(--c-lime);margin-left:4px}
.metric-lbl{font-size:14px;color:rgba(255,255,255,.74);margin-top:10px}
.metric-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:6px}
.metric-bar{height:4px;width:0;background:var(--c-brand);border-radius:2px;margin-top:16px;transition:width .35s var(--ease)}
.metric-card:hover .metric-bar{width:64px}

/* 服务矩阵 */
.svc-row{display:grid;gap:24px}
.svc-row-1{grid-template-columns:1.4fr 1fr 1fr}
.svc-row-2{grid-template-columns:1fr 1fr 1.4fr;margin-top:24px}
.svc-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,159,115,.4)}
.svc-media{width:100%;aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--c-brand-soft)}
.svc-media img{width:100%;height:100%;object-fit:cover}
.svc-no{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:var(--r-badge);padding:4px 10px;align-self:flex-start;
}
.svc-card h3{font-size:20px}
.svc-card p{font-size:14px;color:var(--c-txt-2);line-height:1.8}
.svc-card .link-arrow{margin-top:auto}

/* 对比 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border-radius:var(--r-card);padding:28px 26px}
.compare-col h3{font-size:18px;margin-bottom:6px}
.compare-col .sub{font-size:13px;color:var(--c-txt-2);padding-bottom:18px;border-bottom:1px solid var(--c-line)}
.compare-old{background:var(--c-bg);border:1px dashed var(--c-line)}
.compare-new{background:var(--c-surface);border:1px solid var(--c-line);border-left:2px solid var(--c-brand);box-shadow:var(--sh-1)}
.compare-row{display:grid;grid-template-columns:1.1fr .9fr auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--c-line)}
.compare-row:last-child{border-bottom:0;padding-bottom:0}
.compare-name{font-size:14px;font-weight:700}
.compare-val{font-size:14px;color:var(--c-txt-2);font-family:var(--mono);font-variant-numeric:tabular-nums}
.compare-new .compare-val{color:var(--c-brand);font-weight:700}
.diff{
  font-size:12px;font-weight:700;border-radius:var(--r-badge);padding:3px 8px;
  background:var(--c-brand-soft);color:var(--c-brand);white-space:nowrap;
}
.diff-muted{background:#EDF1EE;color:var(--c-muted)}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:1.05fr 1.35fr;gap:28px;align-items:start}
.news-lead{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,159,115,.4)}
.news-lead-media{display:block;aspect-ratio:4/3;background:var(--c-brand-soft);overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover}
.news-lead-body{padding:24px}
.news-lead-body h3{font-size:20px;margin:12px 0 10px}
.news-lead-body p{font-size:14px;color:var(--c-txt-2);line-height:1.8}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:12px;color:var(--c-muted)}
.meta span{display:inline-flex;align-items:center;gap:6px}
.meta span+span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--c-line)}
.news-list{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.news-list li{border-bottom:1px solid var(--c-line)}
.news-list li:nth-last-child(-n+2){border-bottom:0}
.news-list a{display:block;padding:18px 12px 18px 14px;border-radius:12px;transition:background-color .2s var(--ease)}
.news-list a:hover{background:var(--c-brand-soft)}
.news-list h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s var(--ease)}
.news-list a:hover h3{color:var(--c-brand)}
.news-list p{font-size:13px;color:var(--c-txt-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list .meta{margin-top:10px}

/* 空态与骨架 */
.empty-state{
  min-height:240px;border:1px dashed var(--c-line);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:var(--c-surface);text-align:center;padding:32px;
}
.empty-state .ico{
  width:44px;height:44px;border-radius:12px;border:2px solid var(--c-brand);
  position:relative;opacity:.65;
}
.empty-state .ico::after{content:"";position:absolute;left:10px;right:10px;top:20px;height:2px;background:var(--c-brand)}
.empty-state p{font-size:14px;color:var(--c-txt-2)}
.skeleton{border-radius:var(--r-card);background:linear-gradient(90deg,#EEF2EF 25%,#F7F9F8 37%,#EEF2EF 63%);background-size:400% 100%;animation:sk 1.4s ease infinite}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:56px;display:flex;align-items:center;gap:12px;
  padding:14px 36px 14px 0;font-size:16px;font-weight:700;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";width:3px;align-self:stretch;border-radius:2px;background:transparent;flex:none;
  transition:background-color .2s var(--ease);
}
.faq-item[open] summary::before{background:var(--c-brand)}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:26px;width:12px;height:12px;
  border-right:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);
  transform:rotate(45deg);transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item .answer{max-width:760px;font-size:14px;color:var(--c-txt-2);line-height:1.85;padding:0 12px 20px 15px}

/* 表单 */
.form-section{background:var(--c-brand-soft)}
.form-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.form-side h2{font-size:clamp(22px,2.4vw,30px);margin-top:14px}
.form-side p{font-size:15px;color:var(--c-txt-2);margin-top:16px;line-height:1.85}
.form-points{margin-top:24px;display:grid;gap:12px}
.form-points li{display:flex;gap:10px;font-size:14px;color:var(--c-txt);align-items:flex-start}
.form-points li::before{content:"";width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--c-brand);flex:none}
.form-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.field{display:block;margin-bottom:18px}
.field-label{display:block;font-size:13px;font-weight:700;margin-bottom:8px}
.field-input{
  width:100%;height:48px;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:0 14px;background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field-input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,159,115,.18)}
textarea.field-input{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
select.field-input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-brand) 50%),linear-gradient(135deg,var(--c-brand) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field.has-error .field-input{border-color:var(--c-warn);box-shadow:0 0 0 3px rgba(212,99,58,.14)}
.field-error{display:none;font-size:12px;color:var(--c-warn);margin-top:6px}
.field.has-error .field-error{display:block}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.form-note{font-size:12px;color:var(--c-muted)}
.form-msg{display:none;margin-top:16px;font-size:13px;font-weight:700;color:var(--c-brand);background:var(--c-brand-soft);border-radius:var(--r-badge);padding:10px 14px}
.form-msg.show{display:block}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:320px;color:rgba(255,255,255,.66)}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--c-lime)}
.footer-contact li{font-size:14px;margin-bottom:10px;color:rgba(255,255,255,.72)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12px;color:rgba(255,255,255,.5);
}

/* 移动底部 Tab */
.mobile-tabbar{display:none}

/* 断点 */
@media (max-width:1024px){
  .container{padding:0 32px}
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:48px 0 64px}
  .hero-visual,.hero-visual img{min-height:340px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .svc-row-1,.svc-row-2{grid-template-columns:1fr 1fr}
  .svc-row-2{margin-top:24px}
  .news-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .main-nav{display:none}
  .header-inner{height:56px}
  .brand-text{font-size:16px}
  .header-actions .btn{display:none}
  .header-tabbar{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-pill);background:var(--c-brand);color:#fff}
  body{padding-bottom:88px}
  .compare-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .news-list li:nth-last-child(-n+2){border-bottom:1px solid var(--c-line)}
  .news-list li:last-child{border-bottom:0}
  .faq-grid{grid-template-columns:1fr}
  .mobile-tabbar{
    display:grid;grid-template-columns:repeat(4,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.98);border-top:1px solid var(--c-line);
    height:calc(64px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 18px rgba(11,21,18,.06);
  }
  .mobile-tabbar a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    font-size:11px;color:var(--c-muted);position:relative;min-width:44px;
  }
  .mobile-tabbar a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .mobile-tabbar a.active{color:var(--c-brand)}
  .mobile-tabbar a.active::before{content:"";position:absolute;top:0;width:28px;height:3px;border-radius:2px;background:var(--c-brand)}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .eyebrow{font-size:11px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-trust{gap:12px}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:14px}
  .metric-card{padding:20px 16px}
  .svc-row-1,.svc-row-2{grid-template-columns:1fr}
  .svc-card{padding:16px}
  .compare-row{grid-template-columns:1fr;gap:6px;align-items:flex-start}
  .compare-col{padding:20px 16px}
  .form-card{padding:18px 16px}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .hero-float{left:14px;right:14px;bottom:14px;padding:16px;gap:12px}
  .hero-badge-num{top:14px;left:14px}
}

/* roulang page: article */
/* ============================================================
   hth华体育官网 · 站点视觉系统
   场地线 + 数据刻度 · 运动场地绿主色
   ============================================================ */
:root{
  --c-brand:#0E9F73;
  --c-brand-dark:#0B8661;
  --c-brand-soft:#E6F5EF;
  --c-lime:#CDF25E;
  --c-ink:#0B1512;
  --c-ink-2:#16241F;
  --c-bg:#F6F8F6;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E4;
  --c-txt:#12201C;
  --c-txt-2:#5A6B65;
  --c-muted:#93A29C;
  --c-warn:#D4633A;

  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-badge:6px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(11,21,18,.06);
  --sh-2:0 8px 24px rgba(11,21,18,.08);

  --t:220ms cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
  --gap:24px;
  --sect:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-txt);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.3}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid rgba(14,159,115,.28);outline-offset:2px;border-radius:4px}

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

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--c-surface);color:var(--c-brand);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:rgba(14,159,115,.4);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn:disabled,.btn[aria-disabled="true"]{background:var(--c-muted);color:#fff;border-color:transparent;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--c-brand);font-weight:700;font-size:15px}
.link-arrow::after{content:"";width:24px;height:2px;background:var(--c-brand);display:block;transition:transform var(--t)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(246,248,246,.94);
  border-bottom:1px solid transparent;transition:border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--c-brand);position:relative;flex-shrink:0;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;left:7px;right:7px;height:3px;border-radius:3px;background:#fff;
}
.brand-mark::before{top:10px;transform:rotate(-14deg)}
.brand-mark::after{bottom:9px;transform:rotate(-14deg);background:var(--c-lime)}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-0.02em;color:var(--c-ink)}
.brand-text span{color:var(--c-brand)}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--c-txt-2);font-weight:600;
  border-radius:8px;transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.active{color:var(--c-brand)}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.header-tabbar{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:12px;background:var(--c-brand);color:#fff}
.header-tabbar svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:16px 0}
.crumb a{color:var(--c-txt-2);transition:color var(--t)}
.crumb a:hover{color:var(--c-brand)}
.crumb .sep{color:var(--c-brand);opacity:.7}
.crumb .now{color:var(--c-txt);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.post-head{padding:48px 0 0}
.post-head-inner{max-width:820px}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:var(--r-badge);background:var(--c-brand-soft);color:var(--c-brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.post-head h1{font-size:clamp(28px,4vw,42px);margin:16px 0 0;color:var(--c-ink)}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--c-muted)}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-muted);display:inline-block}
.rule-scale{position:relative;height:1px;background:var(--c-line);margin-top:28px}
.rule-scale::after{
  content:"";position:absolute;left:0;top:0;width:72px;height:3px;background:var(--c-brand);border-radius:3px;
}

/* ---------- 文章布局 ---------- */
.article-main{padding:40px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}

.post-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--c-txt)}
.post-body > * + *{margin-top:1.2em}
.post-body h2{
  position:relative;font-size:24px;line-height:1.4;margin-top:40px;padding-left:16px;color:var(--c-ink);
}
.post-body h2::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--c-brand)}
.post-body h3{font-size:19px;margin-top:32px;color:var(--c-ink)}
.post-body p{color:var(--c-txt)}
.post-body a{color:var(--c-brand);font-weight:600;border-bottom:1px solid rgba(14,159,115,.35);transition:border-color var(--t),color var(--t)}
.post-body a:hover{color:var(--c-brand-dark);border-color:var(--c-brand-dark)}
.post-body strong{font-weight:800}
.post-body ul,.post-body ol{margin:1.2em 0;padding-left:1.4em}
.post-body ul{list-style:none;padding-left:1.4em}
.post-body ul > li{position:relative;margin:.5em 0}
.post-body ul > li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--c-brand);
}
.post-body ol{list-style:decimal}
.post-body ol > li{margin:.5em 0;padding-left:.2em}
.post-body ol > li::marker{color:var(--c-brand);font-weight:700}
.post-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--c-brand-soft);
  border-left:4px solid var(--c-brand);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-txt);
}
.post-body blockquote p{margin:0;font-size:16px;line-height:1.85}
.post-body img{border-radius:var(--r-img);margin:1.8em auto;max-width:100%;height:auto}
.post-body figure{margin:1.8em 0}
.post-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.post-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.post-body th,.post-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.post-body th{background:var(--c-brand-soft);color:var(--c-ink);font-weight:700}
.post-body hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0}

/* ---------- 右侧粘性栏 ---------- */
.side-rail{position:sticky;top:96px;display:grid;gap:16px}
.rail-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.rail-card h3{font-size:15px;margin-bottom:12px;color:var(--c-ink)}
.rail-list li + li{border-top:1px solid var(--c-line)}
.rail-list a{display:block;padding:12px 0;font-size:14px;color:var(--c-txt-2);transition:color var(--t)}
.rail-list a:hover{color:var(--c-brand)}
.rail-list .meta{display:block;font-size:12px;color:var(--c-muted);margin-top:4px}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);padding:40px 24px;text-align:center;
}
.empty-state .ico{
  width:44px;height:44px;border-radius:12px;background:var(--c-brand-soft);display:flex;align-items:center;justify-content:center;color:var(--c-brand);
}
.empty-state .ico svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.empty-state p{color:var(--c-txt-2);font-size:15px}

/* ---------- 相关推荐 ---------- */
.rel-section{padding:0 0 72px}
.sect-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.sect-head h2{font-size:clamp(22px,2.6vw,30px);color:var(--c-ink)}
.sect-head .sub{font-size:14px;color:var(--c-txt-2);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.card:hover{border-color:rgba(14,159,115,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.card .thumb{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);background:var(--c-brand-soft);margin-bottom:16px;
}
.card h3{font-size:18px;line-height:1.5;color:var(--c-ink);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .excerpt{font-size:14px;color:var(--c-txt-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card .meta{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:12px;color:var(--c-muted)}

/* ---------- 返回 / CTA 条 ---------- */
.back-bar{
  background:var(--c-brand-soft);border-top:1px solid rgba(14,159,115,.18);border-bottom:1px solid rgba(14,159,115,.18);
}
.back-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 0;flex-wrap:wrap}
.back-inner .txt{font-size:15px;color:var(--c-txt-2);max-width:520px}

/* ---------- 表单 ---------- */
.form-section{background:var(--c-ink);color:#fff;padding:var(--sect) 0}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.form-intro .badge{background:rgba(205,242,94,.14);color:var(--c-lime)}
.form-intro h2{font-size:clamp(24px,3vw,32px);color:#fff;margin:16px 0 14px}
.form-intro p{color:rgba(255,255,255,.72);font-size:15px;max-width:460px}
.trust-list{margin-top:24px;display:grid;gap:12px}
.trust-list li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.78);font-size:14px}
.trust-list li::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c-lime);margin-top:8px;flex-shrink:0}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:var(--c-ink-2);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-input);
  color:#fff;padding:0 16px;height:48px;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{height:118px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.4)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,159,115,.28);background:#132019;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);
  background-position:calc(100% - 22px) 21px,calc(100% - 16px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--c-warn)}
.field .err{display:none;font-size:12px;color:var(--c-warn);margin-top:6px}
.field.invalid .err{display:block}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}
.form-note{font-size:12px;color:rgba(255,255,255,.5)}
.form-tip{display:none;margin-top:14px;font-size:14px;color:var(--c-lime)}
.form-tip.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t)}
.footer-col a:hover{color:var(--c-lime)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--c-surface);
  border-top:1px solid var(--c-line);padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar ul{display:grid;grid-template-columns:repeat(4,1fr)}
.mobile-tabbar a{
  position:relative;height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:11px;color:var(--c-muted);
}
.mobile-tabbar svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabbar a.active{color:var(--c-brand)}
.mobile-tabbar a.active::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--c-brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sect:72px}
  .container{padding:0 32px}
  .main-nav{display:none}
  .header-tabbar{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr) 240px;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  :root{--sect:56px}
  .container{padding:0 16px}
  .header-inner{height:56px}
  .header-actions .btn-sm{display:none}
  body{padding-bottom:88px}
  .post-head{padding:32px 0 0}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .side-rail{position:static;grid-template-columns:1fr}
  .post-body{font-size:16px;line-height:1.9}
  .form-grid{grid-template-columns:1fr;gap:32px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand p{max-width:none}
  .mobile-tabbar{display:block}
  .back-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .post-head h1{font-size:26px}
  .field-row{grid-template-columns:1fr}
  .btn{width:100%}
  .btn-sm{width:auto}
  .back-inner .btn{width:100%}
  .card{padding:16px}
  .crumb .now{max-width:200px}
}

/* roulang page: category1 */
:root{
  --c-brand:#0E9F73;
  --c-brand-dark:#0B8661;
  --c-brand-soft:#E6F5EF;
  --c-lime:#CDF25E;
  --c-ink:#0B1512;
  --c-ink-2:#16241F;
  --c-bg:#F6F8F6;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E4;
  --c-txt:#12201C;
  --c-txt-2:#5A6B65;
  --c-muted:#93A29C;
  --c-warn:#D4633A;
  --r-card:16px;
  --r-img:12px;
  --r-input:12px;
  --r-badge:6px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,21,18,.06);
  --sh-2:0 8px 24px rgba(11,21,18,.08);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --pad-section:96px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Consolas,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-txt);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:800;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
::selection{background:var(--c-brand-soft);color:var(--c-brand-dark)}
:focus-visible{outline:3px solid rgba(14,159,115,.28);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--pad-section) 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(1.375rem,2.4vw,1.875rem);margin-bottom:14px}
.section-head p{color:var(--c-txt-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  color:var(--c-brand-dark);background:var(--c-brand-soft);
  padding:6px 12px;border-radius:var(--r-badge);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-brand)}
.ruler{
  height:12px;
  border-top:1px solid var(--c-line);
  background-image:repeating-linear-gradient(90deg,var(--c-line) 0 1px,transparent 1px 16px);
  background-size:100% 6px;
  background-repeat:no-repeat;
  background-position:left top;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,248,246,.92);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(145deg,var(--c-brand),var(--c-brand-dark));
  flex:none;overflow:hidden;
}
.brand-mark::before,.brand-mark::after{
  content:"";position:absolute;background:#fff;border-radius:2px;
  height:3px;width:16px;left:5px;transform:rotate(-32deg);
}
.brand-mark::before{top:10px}
.brand-mark::after{top:17px;left:9px;width:12px;background:var(--c-lime)}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink)}
.brand-text span{color:var(--c-brand-dark);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-txt-2);transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--c-brand-dark);background:var(--c-brand-soft)}
.nav-link.active{color:var(--c-brand-dark);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--c-brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}
.header-tabbar{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  align-items:center;justify-content:center;color:var(--c-txt);
}
.header-tabbar svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--c-brand);color:#fff;box-shadow:0 1px 2px rgba(11,21,18,.08)}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;color:var(--c-brand-dark);border:1px solid var(--c-line)}
.btn-secondary:hover{background:var(--c-brand-soft);border-color:rgba(14,159,115,.4)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled,.btn.is-loading{background:var(--c-muted);color:#fff;box-shadow:none;transform:none;cursor:not-allowed}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--c-brand-dark);
}
.link-arrow i{
  display:block;width:24px;height:2px;background:var(--c-brand);position:relative;
  transition:transform var(--t);
}
.link-arrow i::after{
  content:"";position:absolute;right:0;top:-3px;width:8px;height:8px;
  border-top:2px solid var(--c-brand);border-right:2px solid var(--c-brand);transform:rotate(45deg);
}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- Page hero ---------- */
.page-hero{padding:56px 0 0;background:var(--c-bg)}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--c-muted);transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-brand-dark)}
.breadcrumb .sep{color:var(--c-brand);font-weight:700}
.breadcrumb .current{color:var(--c-txt-2)}
.page-hero h1{font-size:clamp(1.75rem,4vw,2.75rem);max-width:900px}
.page-hero .lead{
  margin-top:20px;max-width:760px;font-size:17px;color:var(--c-txt-2);line-height:1.9;
}
.stat-strip{
  margin-top:40px;background:var(--c-ink);border-radius:var(--r-card);
  display:grid;grid-template-columns:repeat(3,1fr);
  overflow:hidden;
}
.stat-cell{
  position:relative;padding:28px 28px 30px;
  border-right:1px solid rgba(255,255,255,.08);
}
.stat-cell:last-child{border-right:0}
.stat-cell::after{
  content:"";position:absolute;right:0;bottom:0;width:18px;height:18px;
  background:linear-gradient(135deg,transparent 48%,rgba(205,242,94,.55) 50%);
}
.stat-cell .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(2rem,3.6vw,2.75rem);font-weight:800;color:#fff;line-height:1.1;
}
.stat-cell .num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--c-lime)}
.stat-cell .label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- Split hero ---------- */
.split-hero{padding:64px 0 var(--pad-section)}
.split-grid{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:48px;align-items:center;
}
.split-media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:4/5;background:var(--c-brand-soft);box-shadow:var(--sh-1);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media figcaption{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(11,21,18,.72);color:#fff;
  border-radius:var(--r-img);padding:12px 14px;font-size:13px;line-height:1.6;
}
.split-copy h2{font-size:clamp(1.375rem,2.4vw,1.875rem);margin-bottom:16px}
.split-copy p{color:var(--c-txt-2);font-size:16px;line-height:1.9}
.trust-list{margin-top:24px;display:grid;gap:12px}
.trust-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-txt)}
.trust-list li::before{
  content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--c-brand);margin-top:9px;
}
.split-actions{margin-top:28px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Flow list ---------- */
.flow-list{position:relative;border-top:1px solid var(--c-line)}
.flow-item{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;align-items:center;padding:40px 0;border-bottom:1px solid var(--c-line);
}
.flow-item:nth-child(even) .flow-media{order:-1}
.flow-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:40px;font-weight:800;color:var(--c-brand);line-height:1;
  position:relative;padding-left:18px;margin-bottom:16px;display:inline-block;
}
.flow-num::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;
  border-radius:2px;background:var(--c-lime);
}
.flow-body h3{font-size:20px;margin-bottom:12px}
.flow-body p{color:var(--c-txt-2);font-size:15px;line-height:1.9}
.tag-row{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.tag{
  font-size:12px;color:var(--c-brand-dark);background:var(--c-brand-soft);
  border-radius:var(--r-badge);padding:5px 10px;font-weight:700;
}
.flow-media{
  border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;
  background:var(--c-brand-soft);box-shadow:var(--sh-1);
}
.flow-media img{width:100%;height:100%;object-fit:cover}
.flow-media:hover img{transform:scale(1.02);transition:transform 240ms cubic-bezier(.2,.7,.3,1)}

/* ---------- Bands ---------- */
.band-section{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.band-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.band-side{display:grid;gap:24px}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:border-color var(--t),box-shadow var(--t),transform var(--t);
  display:flex;flex-direction:column;gap:16px;
}
.card:hover{border-color:rgba(14,159,115,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--c-brand-soft);
}
.card-media img{width:100%;height:100%;object-fit:cover}
.card h3{font-size:19px}
.card p{font-size:15px;color:var(--c-txt-2);line-height:1.85}
.card-lg h3{font-size:22px}
.badge{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--c-brand-dark);
  background:var(--c-brand-soft);border-radius:var(--r-badge);padding:5px 10px;
}
.card-meta{margin-top:auto;font-size:13px;color:var(--c-muted);display:flex;gap:8px;align-items:center}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--c-line);position:relative}
.faq-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:2px;background:var(--c-brand);
  transform:scaleY(0);transform-origin:top;transition:transform 220ms cubic-bezier(.2,.7,.3,1);
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 0 16px 18px;font-size:16px;font-weight:700;color:var(--c-txt);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-brand-dark)}
.faq-icon{
  position:relative;flex:none;width:22px;height:22px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),background var(--t),border-color var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand-dark);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-brand-soft);border-color:rgba(14,159,115,.4)}
.faq-answer{padding:0 18px 24px;max-width:760px;color:var(--c-txt-2);font-size:15px;line-height:1.85}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-brand-soft);border-top:1px solid rgba(14,159,115,.18);
  padding:72px 0;
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.cta-copy h2{font-size:clamp(1.375rem,2.4vw,1.875rem);margin-bottom:14px}
.cta-copy p{color:var(--c-txt-2);font-size:16px;line-height:1.9;max-width:520px}
.cta-actions{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.cta-form{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--c-txt-2);margin-bottom:8px}
.field .control{
  width:100%;height:48px;border:1px solid var(--c-line);border-radius:var(--r-input);
  background:#fff;padding:0 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t);
}
.field .control:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,159,115,.16)}
.field.has-error .control{border-color:var(--c-warn)}
.field .err{display:none;margin-top:6px;font-size:12px;color:var(--c-warn)}
.field.has-error .err{display:block}
.form-inline{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{margin-top:12px;font-size:12px;color:var(--c-muted)}
.form-msg{
  display:none;margin-top:14px;padding:10px 14px;border-radius:var(--r-badge);
  background:var(--c-brand-soft);color:var(--c-brand-dark);font-size:13px;font-weight:700;
}
.form-msg.is-visible{display:block}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text span{color:var(--c-lime)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--t)}
.footer-col a:hover{color:var(--c-lime)}
.footer-contact li{font-size:14px;line-height:1.7}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- Mobile tab bar ---------- */
.mobile-tabbar{display:none}

@media (max-width:1024px){
  :root{--pad-section:72px}
  .container{padding:0 32px}
  .main-nav{gap:0}
  .nav-link{padding:0 11px;font-size:14px}
  .split-grid{gap:32px}
  .flow-item{gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--pad-section:56px}
  .container{padding:0 16px}
  body{padding-bottom:calc(88px + env(safe-area-inset-bottom))}
  .main-nav{display:none}
  .header-inner{height:56px;gap:12px}
  .header-tabbar{display:inline-flex}
  .brand-text{font-size:16px}
  .page-hero{padding:32px 0 0}
  .stat-strip{grid-template-columns:1fr;margin-top:28px}
  .stat-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding:20px 20px 22px}
  .stat-cell:last-child{border-bottom:0}
  .split-grid{grid-template-columns:1fr}
  .split-media{aspect-ratio:16/11}
  .flow-item{grid-template-columns:1fr;gap:20px;padding:28px 0}
  .flow-item:nth-child(even) .flow-media{order:0}
  .flow-num{font-size:34px}
  .band-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-footer{padding:56px 0 96px}
  .mobile-tabbar{
    display:grid;grid-template-columns:repeat(4,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.97);
    border-top:1px solid var(--c-line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -1px 2px rgba(11,21,18,.06);
  }
  .tab-item{
    position:relative;height:64px;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--c-muted);transition:color var(--t);
  }
  .tab-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
  .tab-item.active{color:var(--c-brand-dark);font-weight:700}
  .tab-item.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--c-brand);
  }
}
@media (max-width:560px){
  .btn{width:100%}
  .btn-sm{width:auto}
  .split-actions{flex-direction:column}
  .cta-actions{flex-direction:column}
  .form-inline{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .card{padding:16px}
  .cta-form{padding:18px}
  .section-head{margin-bottom:32px}
}

/* roulang page: category2 */
:root{
  --c-brand:#0E9F73;
  --c-brand-dark:#0B8661;
  --c-brand-soft:#E6F5EF;
  --c-lime:#CDF25E;
  --c-ink:#0B1512;
  --c-ink-2:#16241F;
  --c-bg:#F6F8F6;
  --c-surface:#FFFFFF;
  --c-line:#E2E8E4;
  --c-txt:#12201C;
  --c-txt-2:#5A6B65;
  --c-muted:#93A29C;
  --c-warn:#D4633A;
  --sh-1:0 1px 2px rgba(11,21,18,.06);
  --sh-2:0 8px 24px rgba(11,21,18,.08);
  --r-card:16px;
  --r-img:12px;
  --r-badge:6px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-txt);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;flex:0 0 auto}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:9px;
  background:linear-gradient(150deg,var(--c-brand),var(--c-brand-dark));
  flex:0 0 auto;
}
.brand-mark::before,.brand-mark::after{
  content:'';position:absolute;left:7px;right:7px;height:2px;border-radius:2px;background:#fff;
}
.brand-mark::before{top:11px;transform:rotate(-19deg)}
.brand-mark::after{top:18px;transform:rotate(19deg)}
.brand-text{font-size:19px;letter-spacing:-.01em;color:var(--c-txt)}
.brand-text span{color:var(--c-brand)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;font-size:15px;
  color:var(--c-txt-2);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.nav-link.active{color:var(--c-brand);font-weight:600}
.nav-link.active::after{
  content:'';position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--c-brand);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-tabbar{
  display:none;width:42px;height:42px;border-radius:999px;
  background:var(--c-brand-soft);color:var(--c-brand);place-items:center;
}
.header-tabbar svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),
             border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--c-brand);color:#fff}
.btn-primary:hover{background:var(--c-brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,159,115,.28)}
.btn-primary:disabled{background:var(--c-muted);cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:rgba(14,159,115,.4)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,159,115,.28)}
.btn-outline-dark{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-outline-dark:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-outline-dark:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(205,242,94,.28)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-brand);
  font-size:15px;
}
.link-arrow svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- head of sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:760px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand);background:var(--c-brand-soft);
  padding:5px 12px;border-radius:var(--r-badge);margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:14px}
.section-head p{color:var(--c-txt-2);font-size:16px}
.tick-line{
  height:14px;border-top:1px solid var(--c-line);
  background-image:repeating-linear-gradient(90deg,var(--c-line) 0 1px,transparent 1px 26px);
  background-size:auto 9px;background-repeat:repeat-x;
}

/* ---------- category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:#fff;
  padding:44px 0 80px;
}
.cat-hero::before{
  content:'';position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 72px);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:34px}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--c-lime)}
.breadcrumb .sep{
  display:inline-block;width:6px;height:6px;border-top:1.5px solid var(--c-brand);
  border-right:1.5px solid var(--c-brand);transform:rotate(45deg);
}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:56px;align-items:end}
.badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:6px 12px;border-radius:var(--r-badge);
  background:rgba(205,242,94,.14);color:var(--c-lime);
}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);font-weight:800;margin:18px 0 18px;letter-spacing:-.01em;
}
.cat-hero .lead{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.74);max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;font-size:13px;color:rgba(255,255,255,.7)}
.trust-row li{display:flex;align-items:center;gap:8px}
.trust-row li::before{
  content:'';width:6px;height:6px;border-radius:2px;background:var(--c-lime);flex:0 0 auto;
}
.hero-metrics{display:grid;gap:18px}
.metric-card{
  position:relative;overflow:hidden;
  background:var(--c-ink-2);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--r-card);padding:24px;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.metric-card:hover{border-color:rgba(14,159,115,.55);transform:translateY(-2px)}
.metric-card::after{
  content:'';position:absolute;right:0;bottom:0;width:20px;height:20px;
  background:var(--c-ink);clip-path:polygon(100% 0,100% 100%,0 100%);
}
.metric-card .num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.6vw,42px);font-weight:800;line-height:1.1;
}
.metric-card .num em{font-style:normal;font-size:16px;color:var(--c-lime);margin-left:6px}
.metric-card .label{font-size:13px;color:rgba(255,255,255,.62);margin-top:8px}
.metric-card .bar{height:4px;width:0;border-radius:2px;background:var(--c-brand);margin-top:16px;transition:width .24s var(--ease)}
.metric-card:hover .bar{width:58px}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:'';position:absolute;left:15px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--c-brand),rgba(14,159,115,.15));
}
.tl-item{position:relative;padding:0 0 38px 58px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:6px;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--c-surface);border:2px solid var(--c-brand);display:grid;place-items:center;
}
.tl-dot i{width:8px;height:8px;border-radius:50%;background:var(--c-brand);display:block}
.tl-step{
  font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-brand);
}
.tl-item h3{font-size:20px;font-weight:700;margin:8px 0 10px}
.tl-item p{color:var(--c-txt-2);max-width:760px}

/* ---------- compare bars ---------- */
.compare{display:grid;gap:26px;margin-top:36px}
.compare-row{display:grid;grid-template-columns:200px minmax(0,1fr) 72px;gap:22px;align-items:center}
.compare-name{font-size:15px;font-weight:600}
.compare-note{display:block;font-size:12px;color:var(--c-muted);font-weight:400;margin-top:2px}
.bar-track{position:relative;height:12px;border-radius:999px;background:#E9EEEB;overflow:hidden}
.bar-fill{position:absolute;top:0;bottom:0;left:0;border-radius:999px;background:linear-gradient(90deg,var(--c-brand),#17b585)}
.bar-pct{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-weight:700;color:var(--c-brand);text-align:right;font-size:15px;
}

/* ---------- stat cards (light) ---------- */
.sub-head{margin:72px 0 0}
.sub-head h3{font-size:20px;font-weight:700;margin-bottom:8px}
.sub-head p{color:var(--c-txt-2);font-size:15px}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:26px}
.stat-card{
  position:relative;overflow:hidden;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.stat-card:hover{border-color:rgba(14,159,115,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat-card::after{
  content:'';position:absolute;right:0;bottom:0;width:20px;height:20px;
  background:var(--c-bg);clip-path:polygon(100% 0,100% 100%,0 100%);
}
.stat-card .num{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(28px,3.2vw,38px);font-weight:800;color:var(--c-txt);line-height:1.1;
}
.stat-card .num em{font-style:normal;font-size:15px;color:var(--c-brand);margin-left:4px}
.stat-card p{color:var(--c-txt-2);font-size:14px;margin-top:10px}
.stat-card .bar{height:4px;width:0;border-radius:2px;background:var(--c-brand);margin-top:14px;transition:width .24s var(--ease)}
.stat-card:hover .bar{width:52px}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:40px;align-items:start}
.case-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.case-card:hover{border-color:rgba(14,159,115,.4);box-shadow:var(--sh-2);transform:translateY(-2px)}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;background:var(--c-brand-soft)}
.case-body{padding:22px 24px 26px}
.case-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.case-body p{color:var(--c-txt-2);font-size:15px}
.case-meta{
  display:flex;align-items:center;gap:12px;margin-top:16px;
  font-size:12px;color:var(--c-muted);
}
.case-meta .tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-badge);
  background:var(--c-brand-soft);color:var(--c-brand);font-size:12px;font-weight:600;
}
.case-grid > .case-card:nth-child(2){margin-top:44px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;margin-top:36px}
.faq-item{border-bottom:1px solid var(--c-line);position:relative}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;padding:14px 0;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:'';position:absolute;left:-16px;top:16px;bottom:16px;width:3px;border-radius:2px;
  background:var(--c-brand);opacity:0;transition:opacity .22s var(--ease);
}
.faq-item[open] summary::before{opacity:1}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;
  transition:transform .22s var(--ease);color:var(--c-brand);
}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--c-brand);border-radius:2px}
.faq-icon::before{left:9px;top:2px;width:2px;height:16px}
.faq-icon::after{top:9px;left:2px;height:2px;width:16px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-width:760px;color:var(--c-txt-2);line-height:1.8;font-size:15px;
  padding:0 24px 20px 0;
}

/* ---------- form band ---------- */
.form-band{background:var(--c-brand-soft);padding:96px 0}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.form-intro h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:16px}
.form-intro p{color:var(--c-txt-2);max-width:520px}
.form-points{display:grid;gap:14px;margin-top:26px}
.form-points li{display:flex;gap:10px;font-size:14px;color:var(--c-txt-2)}
.form-points li::before{
  content:'';width:6px;height:6px;border-radius:2px;background:var(--c-brand);
  margin-top:10px;flex:0 0 auto;
}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border:1px solid var(--c-line);
  border-radius:var(--r-img);background:var(--c-surface);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:110px;padding:12px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,159,115,.18);
}
.field.has-error input{border-color:var(--c-warn)}
.field.has-error input:focus{box-shadow:0 0 0 3px rgba(212,99,58,.18)}
.field-error{display:none;font-size:12px;color:var(--c-warn);margin-top:6px}
.field.has-error .field-error{display:block}
.form-note{font-size:12px;color:var(--c-muted);margin-top:14px;line-height:1.7}
.form-alert{
  display:none;margin-bottom:18px;padding:12px 16px;border-radius:var(--r-img);
  background:var(--c-brand-soft);color:var(--c-brand-dark);font-size:14px;font-weight:600;
}
.form-alert.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text span{color:var(--c-lime)}
.footer-brand p{margin-top:18px;line-height:1.85;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--c-lime)}
.footer-contact li{color:rgba(255,255,255,.72)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- mobile tabbar ---------- */
.mobile-tabbar{display:none}

@media (max-width:1024px){
  .container{padding:0 32px}
  .cat-hero-grid{grid-template-columns:1fr;gap:40px;align-items:start}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}

@media (max-width:860px){
  .main-nav{gap:0}
  .nav-link{padding:9px 10px;font-size:14px}
}

@media (max-width:768px){
  .section{padding:72px 0}
  .form-band{padding:72px 0}
  .header-inner{height:56px;gap:16px}
  .main-nav{display:none}
  .header-tabbar{display:grid}
  .cat-hero{padding:28px 0 60px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .compare-row{grid-template-columns:1fr;gap:10px;padding-bottom:6px}
  .bar-pct{text-align:left}
  .case-grid{grid-template-columns:1fr}
  .case-grid > .case-card:nth-child(2){margin-top:0}
  .faq-grid{grid-template-columns:1fr}
  .faq-item summary::before{left:-10px}
  .form-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  body{padding-bottom:88px}
  .mobile-tabbar{
    display:grid;grid-template-columns:repeat(4,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:var(--c-surface);border-top:1px solid var(--c-line);
    height:calc(64px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -1px 2px rgba(11,21,18,.06);
  }
  .tab-item{
    position:relative;display:grid;place-items:center;gap:2px;
    font-size:11px;color:var(--c-muted);padding-top:6px;
    transition:color .2s var(--ease);
  }
  .tab-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .tab-item.active{color:var(--c-brand);font-weight:600}
  .tab-item.active::before{
    content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:28px;height:3px;border-radius:0 0 3px 3px;background:var(--c-brand);
  }
}

@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .form-band{padding:56px 0}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .stat-card{padding:16px}
  .metric-card{padding:20px}
  .case-body{padding:18px 16px 22px}
  .form-card{padding:20px}
  .btn{width:100%}
  .header-actions .btn-sm{display:none}
  .tl-item{padding-left:46px}
  .timeline::before{left:11px}
  .tl-dot{left:2px}
}