/* roulang page: index */
:root{
  --c-primary:#0E4E48;
  --c-primary-deep:#0B3D38;
  --c-primary-mid:#1C6E63;
  --c-primary-soft:#4E8F86;
  --c-primary-tint:#E7F0EE;
  --c-accent:#E07B39;
  --c-accent-light:#F0A15C;
  --c-accent-tint:#FDF1E7;
  --c-ink:#10201E;
  --c-text:#33403D;
  --c-muted:#5B6663;
  --c-line:#E3DED4;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EEF3F1;
  --r-card:22px;
  --r-lg:28px;
  --r-btn:14px;
  --shadow-card:0 1px 2px rgba(16,32,30,.04);
  --shadow-hover:0 18px 40px -18px rgba(14,78,72,.35);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.28;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,123,57,.45);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--c-surface-alt);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary-mid);
  background:var(--c-primary-tint);border-radius:999px;padding:6px 14px;
}
.section-kicker{
  display:block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:10px;
}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:44px;
}
.section-head h2{font-size:clamp(23px,3vw,32px);font-weight:700;}
.section-desc{margin-top:12px;color:var(--c-muted);font-size:15.5px;max-width:640px;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  font-size:14.5px;font-weight:600;color:var(--c-primary);
  border-bottom:1.5px solid rgba(14,78,72,.28);padding-bottom:3px;transition:.25s;
}
.link-more:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.link-more i{transition:transform .25s;}
.link-more:hover i{transform:translateX(3px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-tint);transform:translateY(-2px);}
.btn-accent{background:linear-gradient(135deg,#F0A15C,#E07B39);color:#fff;box-shadow:0 10px 24px -14px rgba(224,123,57,.9);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(224,123,57,.95);}
.btn-accent:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 24px -18px rgba(14,78,72,.45);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--c-ink);font-size:17px;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#0B3D38 0%,#0E4E48 45%,#2E7D6F 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text);
  padding:4px 0;transition:color .2s;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2.5px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.search-btn{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--c-muted);
  border:1px solid var(--c-line);background:var(--c-surface);
  border-radius:999px;padding:7px 14px;transition:.25s;
}
.search-btn:hover{color:var(--c-primary);border-color:var(--c-primary-soft);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-primary);cursor:pointer;
  align-items:center;justify-content:center;font-size:17px;
}
.mobile-drawer{
  display:none;position:fixed;inset:64px 0 0 0;z-index:55;
  background:rgba(11,61,56,.98);padding:28px 24px 36px;
  flex-direction:column;justify-content:space-between;
}
.mobile-drawer.open{display:flex;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  color:#E9F2F0;font-size:17px;font-weight:600;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a.active{color:var(--c-accent-light);}
.drawer-cta{margin-top:28px;}

/* Hero */
.hero{padding:104px 0 72px;}
.hero-grid{display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(30px,4.2vw,48px);font-weight:800;margin-top:20px;}
.hero-sub{margin-top:20px;font-size:18px;color:var(--c-muted);max-width:520px;line-height:1.75;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted);}
.hero-trust i{color:var(--c-primary-soft);font-size:14px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 30px 60px -34px rgba(11,61,56,.55);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(11,61,56,.28),rgba(11,61,56,0) 62%);
  pointer-events:none;
}
.badge-float{
  position:absolute;z-index:2;border-radius:20px;padding:14px 20px;
  background:linear-gradient(135deg,#F0A15C,#E07B39);color:#fff;
  box-shadow:0 16px 34px -18px rgba(224,123,57,.95);
  border:2px solid rgba(255,255,255,.85);
}
.badge-float .num{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2;}
.badge-float .lab{font-size:12.5px;opacity:.92;}
.badge-a{right:-14px;bottom:44px;}
.badge-b{left:-16px;top:38px;}

/* 信任条 */
.trust-strip{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:rgba(255,255,255,.6);}
.trust-strip ul{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;padding:22px 0;}
.trust-strip li{font-size:13.5px;color:var(--c-muted);display:flex;align-items:center;gap:8px;}
.trust-strip i{color:var(--c-primary-soft);}

/* 服务 */
.svc-row{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.svc-row-shift{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);transition:transform .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.svc-card{padding:32px;display:flex;flex-direction:column;gap:14px;}
.svc-card h3{font-size:20px;font-weight:700;}
.svc-card p{color:var(--c-muted);font-size:15px;}
.svc-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-tint);color:var(--c-primary);font-size:18px;
}
.svc-lg{background:linear-gradient(135deg,#0B3D38 0%,#0E4E48 55%,#2E7D6F 100%);border-color:transparent;}
.svc-lg h3,.svc-lg p{color:#fff;}
.svc-lg p{color:rgba(255,255,255,.82);}
.svc-lg .svc-icon{background:rgba(255,255,255,.14);color:#fff;}
.svc-lg .switch{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.svc-lg .switch span{
  font-size:12.5px;color:#DCEBE7;border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:5px 12px;
}
.svc-link{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--c-primary);}
.svc-lg .svc-link{color:var(--c-accent-light);}
.svc-link:hover{gap:11px;transition:gap .2s;}
.svc-sm{padding:26px;}
.svc-row-shift .svc-card:nth-child(2){transform:translateY(14px);}
.svc-row-shift .svc-card:nth-child(2):hover{transform:translateY(12px);}

/* 数据区 */
.stats-band{
  border-radius:32px;padding:60px 48px;color:#fff;
  background:
    radial-gradient(560px 300px at 12% -10%,rgba(240,161,92,.22),transparent 70%),
    radial-gradient(520px 280px at 92% 110%,rgba(255,255,255,.12),transparent 70%),
    linear-gradient(135deg,#0B3D38 0%,#0E4E48 45%,#2E7D6F 100%);
}
.stats-band h2{color:#fff;font-size:clamp(23px,3vw,32px);}
.stats-band .section-desc{color:rgba(255,255,255,.78);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px;}
.stat-item{
  border-radius:20px;padding:26px 22px;
  background:linear-gradient(135deg,#F0A15C,#E07B39);
  box-shadow:0 18px 34px -22px rgba(224,123,57,.95);
}
.stat-item .num{font-size:clamp(38px,4.6vw,58px);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1;}
.stat-item .num small{font-size:.5em;font-weight:700;margin-left:2px;}
.stat-item .lab{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.9);}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{overflow:hidden;display:flex;flex-direction:column;}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px;}
.case-body h3{font-size:19px;}
.case-body p{font-size:14.5px;color:var(--c-muted);}
.case-metrics{display:flex;flex-wrap:wrap;gap:10px;margin-top:2px;}
.metric{
  font-size:12.5px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-tint);border-radius:999px;padding:5px 12px;
}
.tag{
  display:inline-block;background:var(--c-primary-tint);color:var(--c-primary);
  font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 13px;
}

/* 方案 */
.plan-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.plan-aside{position:sticky;top:96px;}
.plan-aside h2{font-size:clamp(23px,3vw,32px);}
.plan-aside p{margin-top:16px;color:var(--c-muted);font-size:15.5px;}
.plan-list{border-top:1px solid var(--c-line);}
.plan-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--c-line);
}
.plan-num{
  font-size:38px;font-weight:300;font-variant-numeric:tabular-nums;line-height:1;
  background:linear-gradient(135deg,#F0A15C,#E07B39);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.plan-item h3{font-size:19px;margin-bottom:8px;}
.plan-item p{font-size:15px;color:var(--c-muted);}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{font-size:17.5px;font-weight:700;line-height:1.5;}
.news-title a:hover{color:var(--c-primary);}
.news-excerpt{
  font-size:14.5px;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--c-muted);}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);
  text-align:center;
}
.empty-state i{font-size:40px;color:#C9D3D0;}
.empty-state p{color:var(--c-muted);font-size:15px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  overflow:hidden;transition:box-shadow .25s,border-color .25s;
}
.faq-item[open]{border-color:var(--c-primary-soft);box-shadow:0 16px 34px -24px rgba(14,78,72,.45);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;gap:12px;font-size:16.5px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex:none;
}
.faq-item summary .chev{margin-left:auto;color:var(--c-muted);transition:transform .25s;}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-answer{padding:0 24px 22px 44px;color:var(--c-muted);font-size:15px;}

/* 联系 */
.contact-band{
  background:
    radial-gradient(640px 320px at 88% 0%,rgba(240,161,92,.18),transparent 68%),
    linear-gradient(135deg,#0B3D38 0%,#0E4E48 60%,#1C6E63 100%);
  border-radius:32px;padding:56px;color:#fff;
}
.contact-grid{display:grid;grid-template-columns:5fr 6fr;gap:48px;}
.contact-grid h2{color:#fff;font-size:clamp(23px,3vw,30px);}
.contact-grid .lead{margin-top:14px;color:rgba(255,255,255,.8);font-size:15.5px;}
.contact-info{margin-top:30px;display:flex;flex-direction:column;gap:16px;}
.contact-info li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);}
.contact-info i{color:var(--c-accent-light);margin-top:5px;}
.form-card{background:#fff;border-radius:24px;padding:32px;box-shadow:0 26px 50px -30px rgba(0,0,0,.5);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;color:var(--c-text);transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:112px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary-mid);box-shadow:0 0 0 3px rgba(224,123,57,.28);
}
.form-note{font-size:13px;color:var(--c-muted);margin-top:12px;}
.form-tip{margin-top:14px;font-size:14px;color:var(--c-primary);display:none;}
.form-tip.show{display:block;}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:#CFE0DC;padding:64px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.site-footer p,.site-footer li{font-size:14px;color:#CFE0DC;line-height:1.9;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:17px;margin-bottom:16px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#F0A15C,#E07B39);}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{font-size:14px;color:#CFE0DC;position:relative;padding-left:0;transition:.22s;}
.footer-links a:hover{color:#fff;padding-left:12px;}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--c-accent);transition:height .22s;
}
.footer-links a:hover::before{height:14px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:#A9C2BD;
}
.footer-bottom a{color:#A9C2BD;}
.footer-bottom a:hover{color:#fff;}

@media (max-width:1023px){
  .main-nav,.search-btn{display:none;}
  .menu-toggle{display:flex;}
  .hero{padding:72px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{max-height:380px;}
  .hero-visual img{aspect-ratio:16/10;max-height:380px;}
  .badge-b{left:12px;top:18px;}
  .badge-a{right:12px;bottom:18px;}
  .svc-row{grid-template-columns:1fr;}
  .svc-row-shift{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;gap:32px;}
  .plan-aside{position:static;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .contact-band{padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .hero-visual img{aspect-ratio:4/3;}
  .badge-float{padding:11px 15px;}
  .badge-float .num{font-size:21px;}
  .svc-row-shift{grid-template-columns:1fr;}
  .svc-row-shift .svc-card:nth-child(2){transform:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stats-band{padding:36px 22px;border-radius:24px;}
  .stat-item{padding:20px 16px;border-radius:16px;}
  .news-grid{grid-template-columns:1fr;}
  .plan-item{grid-template-columns:64px 1fr;gap:16px;}
  .plan-num{font-size:30px;}
  .contact-band{padding:32px 20px;border-radius:24px;}
  .form-card{padding:22px;}
  .faq-item summary{padding:17px 18px;font-size:15.5px;}
  .faq-answer{padding:0 18px 20px 38px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-trust{gap:14px;}
}

/* roulang page: article */
:root{
  --c-primary:#0E4E48;
  --c-primary-deep:#0B3D38;
  --c-primary-mid:#1C6E63;
  --c-primary-soft:#4E8F86;
  --c-primary-tint:#E7F0EE;
  --c-accent:#E07B39;
  --c-accent-light:#F0A15C;
  --c-accent-tint:#FDF1E7;
  --c-ink:#10201E;
  --c-text:#33403D;
  --c-muted:#5B6663;
  --c-line:#E3DED4;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EEF3F1;
  --grad-brand:linear-gradient(135deg,#0B3D38 0%,#0E4E48 45%,#2E7D6F 100%);
  --grad-accent:linear-gradient(135deg,#F0A15C,#E07B39);
  --radius-s:12px;
  --radius-m:16px;
  --radius-l:20px;
  --radius-xl:28px;
  --shadow-1:0 1px 2px rgba(16,32,30,.04);
  --shadow-2:0 18px 40px -18px rgba(14,78,72,.35);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.28;}
p{margin:0;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-primary-mid);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}
.h2{font-size:32px;font-weight:700;letter-spacing:-.2px;}
.sub{color:var(--c-muted);font-size:16px;line-height:1.9;}

/* ---------- Header / Nav ---------- */
.site-header-wrap{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header-wrap.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 30px -24px rgba(14,78,72,.55);
}
.site-header{height:64px;display:flex;align-items:center;justify-content:space-between;gap:28px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);font-size:17px;letter-spacing:.2px;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-size:16px;font-weight:700;flex:none;
}
.brand-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;font-size:15px;color:var(--c-text);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-tint);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:var(--c-surface);
  color:var(--c-muted);font-size:14px;min-width:190px;
}
.nav-search svg{flex:none;opacity:.65;}
.nav-search span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-tint);transform:translateY(-2px);}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px -14px rgba(224,123,57,.8);}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.03);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn:focus-visible,.nav-link:focus-visible,.foot-link:focus-visible,.card-link:focus-visible{
  outline:3px solid rgba(224,123,57,.45);outline-offset:2px;
}
.btn:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-surface);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{
  display:none;position:fixed;inset:0;z-index:80;background:rgba(11,61,56,.98);
  padding:24px;flex-direction:column;gap:6px;color:#DDE9E6;
}
.mobile-drawer.open{display:flex;}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-drawer a{border-bottom:1px solid rgba(255,255,255,.12);}
.mobile-drawer .drawer-link{padding:14px 4px;font-size:16px;color:#EAF3F1;}
.mobile-drawer .drawer-foot{margin-top:auto;}
.drawer-close{background:none;border:0;color:#fff;font-size:26px;line-height:1;cursor:pointer;}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B9C2BF;}
.crumb .cur{color:var(--c-ink);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Article head ---------- */
.article-head{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-xl);
  padding:44px 48px;
  margin-top:24px;
  box-shadow:var(--shadow-1);
}
.article-head h1{font-size:40px;font-weight:800;letter-spacing:-.4px;line-height:1.3;}
.article-lead{margin-top:16px;color:var(--c-muted);font-size:16px;line-height:1.9;max-width:820px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:14px;color:var(--c-muted);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C6CFCC;}
.tag-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--c-primary-tint);color:var(--c-primary);font-size:13px;font-weight:600;
}

/* ---------- Cover ---------- */
.article-cover{margin:32px 0 0;}
.article-cover .frame{
  width:100%;aspect-ratio:16/9;border-radius:var(--radius-xl);overflow:hidden;
  background:var(--c-surface-alt);border:1px solid var(--c-line);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-cover figcaption{text-align:center;font-size:13px;color:var(--c-muted);margin-top:12px;}

/* ---------- Body ---------- */
.article-main{padding:56px 0 88px;}
.article-body{
  max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--c-text);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);
  padding:44px 48px;box-shadow:var(--shadow-1);overflow-x:auto;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:28px;font-weight:700;color:var(--c-ink);
  margin:48px 0 18px;padding-left:14px;line-height:1.35;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--c-accent-light),var(--c-accent));
}
.article-body h3{font-size:20px;font-weight:600;color:var(--c-ink);margin:32px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-body li{margin:.45em 0;}
.article-body ol{list-style:none;padding-left:0;counter-reset:ord;}
.article-body ol>li{counter-increment:ord;position:relative;padding-left:36px;}
.article-body ol>li::before{
  content:counter(ord,decimal-leading-zero);position:absolute;left:0;top:0;
  color:var(--c-accent);font-weight:700;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-radius:12px;
  background:var(--c-accent-tint);border-left:3px solid var(--c-primary-mid);color:var(--c-text);
}
.article-body img{max-width:100%;height:auto;border-radius:16px;margin:22px 0;}
.article-body a{color:var(--c-primary-mid);text-decoration:underline;text-underline-offset:3px;}
.article-body code{background:var(--c-surface-alt);border-radius:6px;padding:2px 6px;font-size:15px;}
.article-body table{width:100%;min-width:520px;border-collapse:separate;border-spacing:0;margin:22px 0;font-size:15px;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;}
.article-body th{background:var(--c-primary-tint);color:var(--c-ink);text-align:left;font-weight:600;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-body tr:last-child td{border-bottom:0;}
.article-empty{
  max-width:800px;margin:0 auto;text-align:center;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--radius-l);padding:64px 32px;
}
.article-empty .icon{
  width:64px;height:64px;border-radius:20px;background:var(--c-surface-alt);
  display:grid;place-items:center;margin:0 auto 18px;color:var(--c-primary-soft);
}

/* ---------- Back link ---------- */
.back-row{max-width:800px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:14px;}
.back-row a{color:var(--c-primary-mid);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.back-row a:hover{color:var(--c-accent);}

/* ---------- Related ---------- */
.related{background:var(--c-surface-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6DDD6;}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-alt);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-desc{font-size:14px;color:var(--c-muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.card-link{font-weight:600;color:var(--c-primary-mid);font-size:14px;}
.card:hover .card-link{color:var(--c-accent);}

/* ---------- CTA ---------- */
.cta-band{background:var(--grad-brand);color:#fff;border-radius:var(--radius-xl);padding:52px 56px;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,123,57,.35),transparent 68%);
}
.cta-band h2{color:#fff;font-size:30px;font-weight:700;}
.cta-band p{color:#CFE0DC;margin-top:12px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;position:relative;z-index:1;}
.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-primary-deep);color:#CFE0DC;margin-top:0;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-brand .brand-mark{background:var(--grad-accent);}
.site-footer p{font-size:14px;line-height:1.9;color:#B9CDC9;}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  position:relative;font-size:14px;color:#B9CDC9;padding-left:0;transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:12px;background:var(--c-accent);border-radius:2px;transition:width .2s ease;
}
.footer-links a:hover{color:#fff;padding-left:10px;}
.footer-links a:hover::before{width:2px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#9FB8B4;
}
.footer-bottom a{color:#CFE0DC;}
.footer-bottom a:hover{color:#fff;}

@media (max-width:1024px){
  .container{padding:0 22px;}
  .section{padding:72px 0;}
  .article-head{padding:36px 32px;}
  .article-head h1{font-size:32px;}
  .article-body{padding:34px 30px;font-size:16px;}
  .article-body h2{font-size:25px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:40px 32px;}
  .cta-band h2{font-size:25px;}
}
@media (max-width:768px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .site-header{height:60px;}
  .article-head{padding:28px 22px;border-radius:var(--radius-l);}
  .article-head h1{font-size:27px;}
  .article-body{padding:26px 20px;border-radius:var(--radius-l);}
  .article-body h2{font-size:22px;margin-top:36px;}
  .card-grid{grid-template-columns:1fr;}
  .crumb .cur{max-width:220px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .article-head h1{font-size:24px;}
  .h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E4E48;
  --c-primary-deep:#0B3D38;
  --c-primary-mid:#1C6E63;
  --c-primary-soft:#4E8F86;
  --c-primary-tint:#E7F0EE;
  --c-accent:#E07B39;
  --c-accent-light:#F0A15C;
  --c-accent-tint:#FDF1E7;
  --c-ink:#10201E;
  --c-text:#33403D;
  --c-muted:#5B6663;
  --c-line:#E3DED4;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EEF3F1;
  --radius-lg:24px;
  --radius-xl:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(16,32,30,.04);
  --shadow-hover:0 18px 40px -18px rgba(14,78,72,.35);
  --brand-gradient:linear-gradient(135deg,#0B3D38 0%,#0E4E48 45%,#2E7D6F 100%);
  --accent-gradient:linear-gradient(135deg,#F0A15C,#E07B39);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.25;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,123,57,.45);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 24px -18px rgba(14,78,72,.45);
  background:rgba(245,243,238,.88);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-gradient);
  color:#fff;font-size:17px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.logo-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;
  padding:8px 13px 9px;
  font-size:15px;
  color:var(--c-muted);
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:700;border-bottom-color:var(--c-primary);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:4px 6px 4px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--c-primary-soft);box-shadow:0 0 0 3px rgba(224,123,57,.18);}
.nav-search input{
  border:none;background:transparent;outline:none;
  width:158px;font-size:14px;padding:6px 0;
}
.nav-search input::placeholder{color:#9AA5A2;}
.nav-search button{
  border:none;background:var(--c-primary-tint);color:var(--c-primary);
  width:30px;height:30px;border-radius:999px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:background .2s ease;
}
.nav-search button:hover{background:var(--c-primary);color:#fff;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:14px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:12px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-tint);transform:translateY(-2px);}
.btn-accent{background:var(--accent-gradient);color:#fff;box-shadow:0 10px 24px -14px rgba(224,123,57,.85);}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.04);}
.btn:active{transform:translateY(1px);}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--c-primary);border-radius:2px;transition:.25s;}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--c-line);
  background:var(--c-surface);
  padding:14px 24px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:15px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.active{color:var(--c-primary);font-weight:700;}
.mobile-drawer .btn{width:100%;margin-top:18px;}

/* ============ Hero ============ */
.page-hero{padding:38px 0 66px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-accent);
  background:var(--c-accent-tint);padding:6px 14px;border-radius:999px;
  margin-bottom:20px;
}
.hero-copy h1{font-size:46px;font-weight:800;letter-spacing:.2px;}
.hero-copy .hero-sub{
  margin-top:18px;font-size:17px;line-height:1.85;color:var(--c-muted);max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);}
.hero-meta i{color:var(--c-primary-soft);font-size:13px;}
.hero-visual{position:relative;height:360px;}
.hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-xl);}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-xl);
  background:linear-gradient(150deg,rgba(11,61,56,.5),rgba(11,61,56,0) 62%);
  pointer-events:none;
}
.badge-card{
  position:absolute;left:-18px;bottom:22px;
  background:var(--accent-gradient);
  color:#fff;border:2px solid #fff;
  border-radius:20px;padding:16px 20px;
  box-shadow:0 16px 32px -18px rgba(224,123,57,.9);
  z-index:2;
}
.badge-card .b-num{font-size:30px;font-weight:800;line-height:1.1;}
.badge-card .b-label{font-size:12.5px;color:rgba(255,255,255,.88);margin-top:2px;}

/* ============ 通用板块 ============ */
.section{padding:84px 0;}
.section-alt{background:var(--c-surface-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:16px;}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-tint);border-radius:999px;padding:5px 13px;margin-bottom:14px;
}

/* ============ 指引主体：锚点目录 + 纵向内容块 ============ */
.guide-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:52px;align-items:start;}
.toc{position:sticky;top:96px;border-left:1px solid var(--c-line);padding:4px 0;}
.toc-title{font-size:13px;color:var(--c-muted);padding-left:18px;margin-bottom:8px;letter-spacing:.5px;}
.toc-link{
  position:relative;display:block;padding:10px 12px 10px 18px;
  font-size:15px;color:var(--c-muted);transition:color .2s ease,background .2s ease;
}
.toc-link::before{
  content:"";position:absolute;left:-1px;top:14px;bottom:14px;width:2px;
  background:var(--c-accent);opacity:0;transition:opacity .2s ease;
}
.toc-link:hover{color:var(--c-primary);}
.toc-link.active{color:var(--c-primary);font-weight:700;background:rgba(231,240,238,.6);}
.toc-link.active::before{opacity:1;}
.lead{
  font-size:16.5px;line-height:1.9;color:var(--c-text);
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:26px 30px;margin-bottom:26px;
  box-shadow:var(--shadow-card);
}
.block{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);padding:34px 36px;margin-bottom:24px;
  box-shadow:var(--shadow-card);transition:box-shadow .25s ease,transform .25s ease;
}
.block:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.block h2{
  position:relative;font-size:27px;padding-left:16px;margin-bottom:16px;
}
.block h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--accent-gradient);border-radius:3px;
}
.block h3{font-size:19px;margin:24px 0 10px;}
.block > p{color:var(--c-text);}
.block > p + p{margin-top:12px;}
.dot-list{margin-top:18px;display:grid;gap:12px;}
.dot-list li{
  position:relative;padding-left:24px;font-size:15.5px;color:var(--c-text);
}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:12px;width:8px;height:8px;border-radius:3px;
  background:var(--c-primary-soft);
}
.dot-list li strong{color:var(--c-ink);font-weight:600;}
.flow-list{margin-top:20px;display:grid;gap:14px;}
.flow-list li{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-surface-alt);border-radius:var(--radius-md);padding:16px 20px;
}
.flow-num{
  flex-shrink:0;width:30px;height:30px;border-radius:10px;
  background:var(--accent-gradient);color:#fff;font-weight:700;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
}
.flow-list p{font-size:15.5px;}
.flow-list b{display:block;color:var(--c-ink);font-size:15.5px;margin-bottom:2px;}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;}
.compare-card{
  border:1px solid var(--c-line);border-radius:var(--radius-md);padding:20px 22px;
}
.compare-card.ok{background:var(--c-primary-tint);border-color:#CFE2DE;}
.compare-card.warn{background:var(--c-accent-tint);border-color:#F5DEC9;}
.compare-card h3{margin:0 0 10px;font-size:16px;display:flex;align-items:center;gap:8px;}
.compare-card.ok h3 i{color:var(--c-primary);}
.compare-card.warn h3 i{color:var(--c-accent);}
.compare-card li{font-size:15px;padding-left:18px;position:relative;margin-bottom:6px;color:var(--c-text);}
.compare-card li::before{content:"·";position:absolute;left:6px;color:var(--c-muted);font-weight:700;}
.table-wrap{margin-top:22px;overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--radius-md);}
table{width:100%;border-collapse:collapse;min-width:560px;font-size:15px;}
thead th{
  background:var(--c-surface-alt);color:var(--c-ink);font-weight:600;
  text-align:left;padding:14px 18px;font-size:14.5px;
}
tbody td{padding:14px 18px;border-top:1px solid var(--c-line);vertical-align:top;}
tbody tr:hover{background:rgba(231,240,238,.45);}
td .pill{
  display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:999px;
  background:var(--c-primary-tint);color:var(--c-primary);font-weight:600;
}
.mini-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px;}
.mini-card{
  border:1px solid var(--c-line);border-radius:var(--radius-md);padding:20px;
  background:var(--c-surface-alt);
}
.mini-card h3{margin:0 0 8px;font-size:16px;}
.mini-card p{font-size:14.5px;color:var(--c-muted);}
.block-img{margin-top:22px;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/9;}
.block-img img{width:100%;height:100%;object-fit:cover;}

/* ============ 指标带 ============ */
.metric-strip{
  position:relative;overflow:hidden;
  background:var(--brand-gradient);
  border-radius:var(--radius-xl);
  padding:46px 44px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.metric-strip::after{
  content:"";position:absolute;top:-40%;left:-10%;width:60%;height:180%;
  background:radial-gradient(closest-side,rgba(240,161,92,.28),transparent 70%);
  pointer-events:none;
}
.metric{position:relative;z-index:1;}
.metric .m-num{
  font-size:48px;font-weight:800;line-height:1.1;
  background:var(--accent-gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .m-label{color:#CFE0DC;font-size:14.5px;margin-top:8px;}
.metric .m-line{height:1px;background:rgba(207,224,220,.22);margin-bottom:16px;}

/* ============ 分类入口卡 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.entry-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:19px;}
.entry-body p{font-size:14.8px;color:var(--c-muted);}
.entry-link{margin-top:auto;font-size:14.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.entry-link i{transition:transform .2s ease;}
.entry-card:hover .entry-link i{transform:translateX(4px);}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;
  color:var(--c-primary);background:var(--c-primary-tint);
  border-radius:999px;padding:4px 12px;align-self:flex-start;
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:16px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFE2DE;box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary h3{
  font-size:17px;display:flex;align-items:center;gap:12px;font-weight:600;
}
.faq-item summary h3::before{
  content:"";width:8px;height:8px;border-radius:3px;background:var(--c-primary-soft);flex-shrink:0;
}
.faq-item summary i{color:var(--c-muted);font-size:14px;transition:transform .25s ease;}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--c-accent);}
.faq-answer{padding:0 24px 22px 44px;font-size:15.5px;color:var(--c-muted);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-gradient);
  border-radius:var(--radius-xl);
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-8%;bottom:-60%;width:46%;height:200%;
  background:radial-gradient(closest-side,rgba(240,161,92,.26),transparent 70%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{color:#fff;font-size:29px;}
.cta-copy p{color:#CFE0DC;margin-top:12px;font-size:16px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:var(--c-primary-deep);
  color:#CFE0DC;
  padding:64px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent-gradient);}
.site-footer p{font-size:14.5px;line-height:1.9;color:#B9CEC9;}
.footer-links{display:grid;gap:10px;}
.footer-links a{
  position:relative;font-size:14.5px;color:#B9CEC9;padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--c-accent);transition:height .2s ease;
}
.footer-links a:hover{color:#fff;padding-left:10px;}
.footer-links a:hover::before{height:14px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(207,224,220,.18);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13.5px;color:#9FB8B3;
}
.footer-bottom a{color:#CFE0DC;}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{height:330px;}
  .hero-copy h1{font-size:38px;}
  .section{padding:72px 0;}
  .guide-layout{grid-template-columns:1fr;gap:28px;}
  .toc{
    position:static;border-left:none;border-top:1px solid var(--c-line);
    border-bottom:1px solid var(--c-line);
    display:flex;gap:6px;overflow-x:auto;padding:6px 0;
  }
  .toc-title{display:none;}
  .toc-link{white-space:nowrap;padding:10px 14px;}
  .toc-link::before{left:0;right:0;top:auto;bottom:0;height:2px;width:auto;}
  .toc-link.active{background:transparent;}
  .metric-strip{grid-template-columns:1fr 1fr;padding:38px 32px;}
  .entry-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:62px;gap:12px;}
  .logo-text{font-size:15.5px;}
  .page-hero{padding:26px 0 46px;}
  .hero-copy h1{font-size:30px;}
  .hero-copy .hero-sub{font-size:15.5px;}
  .hero-visual{height:270px;}
  .badge-card{left:12px;bottom:12px;padding:12px 16px;}
  .badge-card .b-num{font-size:24px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .block{padding:26px 22px;}
  .block h2{font-size:22px;}
  .lead{padding:22px;}
  .compare{grid-template-columns:1fr;}
  .mini-cards{grid-template-columns:1fr;}
  .metric-strip{grid-template-columns:1fr 1fr;padding:32px 24px;gap:20px;}
  .metric .m-num{font-size:38px;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;}
  .cta-copy h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-answer{padding:0 20px 20px 24px;}
  .faq-item summary{padding:18px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 22px;}
}
@media (max-width:520px){
  .hero-meta{gap:12px;}
  .metric-strip{grid-template-columns:1fr;}
  .btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E4E48;
  --c-primary-deep:#0B3D38;
  --c-primary-mid:#1C6E63;
  --c-primary-soft:#4E8F86;
  --c-primary-tint:#E7F0EE;
  --c-accent:#E07B39;
  --c-accent-light:#F0A15C;
  --c-accent-tint:#FDF1E7;
  --c-ink:#10201E;
  --c-text:#33403D;
  --c-muted:#5B6663;
  --c-line:#E3DED4;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EEF3F1;
  --grad-brand:linear-gradient(135deg,#0B3D38 0%,#0E4E48 45%,#2E7D6F 100%);
  --grad-accent:linear-gradient(135deg,#F0A15C,#E07B39);
  --shadow-card:0 1px 2px rgba(16,32,30,.04);
  --shadow-hover:0 18px 40px -18px rgba(14,78,72,.35);
  --r-card:22px;
  --r-card-lg:28px;
  --r-btn:14px;
  --r-input:12px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.28;letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(224,123,57,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;margin:0 auto;padding-left:24px;padding-right:24px;}
.container,.container.container{max-width:1200px;}
@media (max-width:768px){
  .container,.container.container{padding-left:20px;padding-right:20px;}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 10px 26px -22px rgba(14,78,72,.65);
  background:rgba(245,243,238,.88);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--c-ink);}
.brand-text small{font-size:12px;color:var(--c-muted);letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text);
  padding:20px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search input{
  width:210px;height:38px;border-radius:999px;
  border:1px solid var(--c-line);background:var(--c-surface);
  padding:0 16px;font-size:14px;color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease,width .2s ease;
}
.nav-search input::placeholder{color:#9AA5A2;}
.nav-search input:focus{border-color:var(--c-primary-soft);box-shadow:0 0 0 3px rgba(224,123,57,.18);outline:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;transition:.25s;}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);
  background:var(--c-surface);padding:16px 0 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 0;font-size:16px;color:var(--c-text);
  border-bottom:1px dashed var(--c-line);
}
.mobile-drawer a.active{color:var(--c-primary);font-weight:700;}
.mobile-drawer .drawer-cta{margin-top:18px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-tint);transform:translateY(-2px);}
.btn-accent{background:var(--grad-accent);color:#fff;}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 32px -16px rgba(224,123,57,.7);}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ---------- 通用区块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--c-surface-alt);}
.section-surface{background:var(--c-surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-tint);border-radius:999px;padding:6px 14px;
}
.section-head{max-width:720px;}
.section-head h2{font-size:32px;font-weight:700;margin-top:16px;}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:16px;}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#B8C0BC;}
.crumb .current{color:var(--c-ink);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  padding:40px 0 72px;
  background:
    radial-gradient(900px 320px at 88% 0%,rgba(224,123,57,.10),transparent 70%),
    linear-gradient(180deg,#F7F5F1 0%,var(--c-bg) 100%);
}
.hero-grid{display:grid;grid-template-columns:1fr 0.82fr;gap:48px;align-items:center;}
.page-hero h1{font-size:44px;font-weight:800;margin-top:20px;}
.hero-sub{
  margin-top:18px;font-size:17px;color:var(--c-muted);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  font-size:13px;color:var(--c-primary);background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;
}
.hero-media{
  position:relative;border-radius:var(--r-card-lg);overflow:hidden;
  min-height:340px;background:#DDE5E2;box-shadow:var(--shadow-card);
}
.hero-media img{width:100%;height:100%;min-height:340px;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(11,61,56,.42) 0%,rgba(11,61,56,0) 58%);
}
.hero-badge{
  position:absolute;left:22px;bottom:22px;z-index:2;
  background:var(--grad-accent);color:#fff;border:2px solid rgba(255,255,255,.9);
  border-radius:20px;padding:14px 20px;box-shadow:0 18px 32px -18px rgba(11,61,56,.8);
}
.hero-badge b{display:block;font-size:30px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.hero-badge span{font-size:12px;opacity:.92;}
.hero-badge.two{left:auto;right:22px;bottom:auto;top:22px;padding:10px 16px;}
.hero-badge.two b{font-size:20px;}

/* ---------- 引言 ---------- */
.lead{font-size:17px;color:var(--c-text);max-width:900px;}
.lead strong{color:var(--c-primary);font-weight:700;}

/* ---------- 图文交替 ---------- */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zigzag + .zigzag{margin-top:88px;}
.zigzag-media{
  border-radius:var(--r-card-lg);overflow:hidden;background:#DDE5E2;
  box-shadow:var(--shadow-card);position:relative;
}
.zigzag-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.zigzag-media .tag-float{
  position:absolute;left:18px;top:18px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:13px;font-weight:600;border-radius:999px;padding:6px 14px;
}
.zigzag-index{
  font-size:15px;font-weight:700;color:var(--c-accent);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.zigzag-body h2{font-size:30px;font-weight:700;margin-top:12px;}
.zigzag-body > p{margin-top:16px;color:var(--c-muted);}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{
  position:relative;padding-left:30px;font-size:15px;color:var(--c-text);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:6px;
  background:var(--grad-accent);
}
.check-list li span{color:var(--c-muted);}

/* ---------- 指标带 ---------- */
.metric-band{background:var(--grad-brand);color:#fff;position:relative;overflow:hidden;}
.metric-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 260px at 15% 10%,rgba(255,255,255,.16),transparent 65%),
             radial-gradient(520px 240px at 85% 90%,rgba(240,161,92,.20),transparent 70%);
}
.metric-band .container{position:relative;z-index:2;}
.metric-band h2{color:#fff;font-size:30px;font-weight:700;}
.metric-band p.band-sub{color:#CFE0DC;margin-top:12px;max-width:640px;}
.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:44px;}
.metric-card{
  border-radius:var(--r-card);padding:26px 26px 22px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  backdrop-filter:blur(3px);
}
.metric-num{
  font-size:48px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-num small{font-size:20px;font-weight:700;margin-left:4px;}
.metric-label{display:block;margin-top:14px;font-size:14px;color:#CFE0DC;}
.metric-line{height:1px;background:rgba(255,255,255,.18);margin:18px 0 14px;}
.metric-note{font-size:13px;color:rgba(207,224,220,.8);}

/* ---------- 更新条 ---------- */
.update-list{margin-top:36px;border-top:1px solid var(--c-line);}
.update-item{
  display:grid;grid-template-columns:120px 1fr auto;gap:24px;align-items:center;
  padding:20px 6px;border-bottom:1px solid var(--c-line);transition:background-color .2s ease;
}
.update-item:hover{background:var(--c-primary-tint);}
.update-date{font-size:14px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.update-item h3{font-size:17px;font-weight:600;}
.update-item p{font-size:14px;color:var(--c-muted);margin-top:4px;}
.update-tag{
  font-size:12px;color:var(--c-primary);background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:999px;padding:5px 12px;white-space:nowrap;
}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:0.78fr 1fr;gap:64px;align-items:start;}
.flow-side{position:sticky;top:96px;}
.flow-side h2{font-size:32px;font-weight:700;margin-top:16px;}
.flow-side p{margin-top:16px;color:var(--c-muted);}
.flow-side .btn{margin-top:26px;}
.flow-list{border-top:1px solid var(--c-line);}
.flow-item{
  display:grid;grid-template-columns:76px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.flow-num{
  font-size:34px;font-weight:300;color:var(--c-accent);line-height:1;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:19px;font-weight:600;}
.flow-item p{margin-top:8px;color:var(--c-muted);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  margin-top:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:#CFD8D3;}
.faq-item[open]{box-shadow:var(--shadow-hover);border-color:#CFD8D3;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex-shrink:0;
}
.faq-item summary::after{
  content:"";margin-left:auto;width:9px;height:9px;flex-shrink:0;
  border-right:2px solid var(--c-primary-soft);border-bottom:2px solid var(--c-primary-soft);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-answer{padding:0 24px 22px 46px;color:var(--c-muted);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad-brand);color:#fff;border-radius:var(--r-card-lg);
  padding:52px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,161,92,.35),transparent 65%);
}
.cta-band h2{color:#fff;font-size:30px;font-weight:700;}
.cta-band p{color:#CFE0DC;margin-top:12px;max-width:560px;font-size:15px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;position:relative;z-index:2;}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:#F2F6F4;transform:translateY(-2px);box-shadow:0 16px 32px -18px rgba(0,0,0,.5);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#CFE0DC;padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--grad-accent);}
.site-footer p{font-size:14px;line-height:1.85;color:#CFE0DC;margin-top:16px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-links{display:grid;gap:11px;}
.footer-links a{
  font-size:14px;color:#CFE0DC;position:relative;padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--c-accent);transition:height .2s ease;
}
.footer-links a:hover{color:#fff;padding-left:12px;}
.footer-links a:hover::before{height:14px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(207,224,220,.18);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:#A9C2BD;
}
.footer-bottom a{color:#CFE0DC;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{min-height:0;}
  .hero-media img{min-height:0;aspect-ratio:16/9;height:auto;}
  .page-hero h1{font-size:36px;}
  .zigzag{grid-template-columns:1fr;gap:28px;}
  .zigzag + .zigzag{margin-top:64px;}
  .zigzag.reverse .zigzag-media{order:-1;}
  .zigzag-body h2{font-size:26px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow-grid{grid-template-columns:1fr;gap:36px;}
  .flow-side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{padding:26px 0 52px;}
  .page-hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .section-head h2,.metric-band h2,.cta-band h2,.flow-side h2{font-size:24px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .metric-num{font-size:38px;}
  .metric-card{padding:20px 18px;}
  .update-item{grid-template-columns:1fr;gap:8px;padding:18px 4px;}
  .update-tag{justify-self:start;}
  .flow-item{grid-template-columns:56px 1fr;gap:14px;}
  .flow-num{font-size:28px;}
  .faq-item summary{font-size:16px;padding:18px 18px;gap:12px;}
  .faq-answer{padding:0 18px 18px 40px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:34px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-badge{left:16px;bottom:16px;padding:12px 16px;}
  .hero-badge b{font-size:24px;}
}
@media (max-width:520px){
  .brand-text small{display:none;}
  .metric-grid{grid-template-columns:1fr 1fr;}
  .metric-num{font-size:32px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E4E48;
  --c-primary-deep:#0B3D38;
  --c-primary-mid:#1C6E63;
  --c-primary-soft:#4E8F86;
  --c-primary-tint:#E7F0EE;
  --c-accent:#E07B39;
  --c-accent-light:#F0A15C;
  --c-accent-tint:#FDF1E7;
  --c-ink:#10201E;
  --c-text:#33403D;
  --c-muted:#5B6663;
  --c-line:#E3DED4;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-surface-alt:#EEF3F1;
  --grad-brand:linear-gradient(135deg,#0B3D38 0%,#0E4E48 45%,#2E7D6F 100%);
  --grad-accent:linear-gradient(135deg,#F0A15C,#E07B39);
  --radius-card:22px;
  --radius-lg:28px;
  --radius-btn:14px;
  --shadow-sm:0 1px 2px rgba(16,32,30,.04);
  --shadow-hover:0 18px 40px -18px rgba(14,78,72,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--c-ink);line-height:1.28;font-weight:700}
:focus-visible{outline:3px solid rgba(224,123,57,.45);outline-offset:2px;border-radius:6px}
body .container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-primary-mid);background:var(--c-primary-tint);
  padding:6px 14px;border-radius:999px;
}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{color:var(--c-muted);font-size:16px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--c-line);
  background:rgba(245,243,238,.88);
  box-shadow:0 10px 30px -24px rgba(11,61,56,.65);
}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.header-left{display:flex;align-items:center;gap:26px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:17px;display:grid;place-items:center;
  box-shadow:0 8px 18px -10px rgba(11,61,56,.7);
}
.brand-text{font-size:17px;font-weight:800;color:var(--c-ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:block;padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--c-text);transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-tint)}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-right{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:6px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;padding:5px 6px 5px 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--c-primary-mid);box-shadow:0 0 0 3px rgba(224,123,57,.18)}
.search-box input{border:0;background:transparent;width:170px;font-size:14px;outline:none}
.search-box input::placeholder{color:#93a09c}
.search-btn{
  width:30px;height:30px;border-radius:999px;background:var(--c-primary-tint);
  display:grid;place-items:center;color:var(--c-primary);transition:background .2s ease;
}
.search-btn:hover{background:var(--c-primary-soft);color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);background:var(--c-surface);
  padding:16px 0 24px;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:12px 24px;font-size:15px;color:var(--c-text);
  border-bottom:1px solid var(--c-surface-alt);
}
.mobile-drawer a.active{color:var(--c-primary);font-weight:700;background:var(--c-primary-tint)}
.mobile-drawer .drawer-cta{margin:18px 24px 0;display:block;text-align:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease,filter .2s ease;
  cursor:pointer;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -16px rgba(14,78,72,.9)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-2px)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-tint);transform:translateY(-2px)}
.btn-accent{background:var(--grad-accent);color:#fff;box-shadow:0 12px 26px -16px rgba(224,123,57,.95)}
.btn-accent:hover{filter:brightness(1.05);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:12px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ 分类页 Hero（矮版） ============ */
.hero-sm{
  position:relative;overflow:hidden;
  background:var(--c-surface-alt);
  border-bottom:1px solid var(--c-line);
}
.hero-sm::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 300px at 12% 0%,rgba(224,123,57,.10),transparent 65%);
}
.hero-sm-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding-top:64px;padding-bottom:64px;min-height:380px;
}
.hero-copy h1{font-size:44px;font-weight:800;margin:18px 0 16px;letter-spacing:0}
.hero-sub{font-size:17px;color:var(--c-muted);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted)}
.hero-points li::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);
  flex-shrink:0;
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;height:320px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 30px 60px -34px rgba(11,61,56,.6);
}
.hero-visual::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(11,61,56,.34) 0%,rgba(11,61,56,0) 58%);
}
.hero-badge{
  position:absolute;left:-14px;bottom:22px;z-index:3;
  background:var(--grad-accent);color:#fff;border:2px solid #fff;
  border-radius:20px;padding:14px 20px;box-shadow:0 18px 34px -18px rgba(224,123,57,.85);
}
.hero-badge strong{display:block;font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums}
.hero-badge span{font-size:13px;opacity:.92}

/* ============ 引言 ============ */
.intro-block{max-width:860px}
.intro-block p{font-size:17px;color:var(--c-muted)}
.intro-block p + p{margin-top:16px}
.intro-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px;
  padding-top:22px;border-top:1px solid var(--c-line);
}
.intro-meta div{font-size:14px;color:var(--c-muted)}
.intro-meta strong{color:var(--c-ink)}

/* ============ 标签筛选行（静态视觉） ============ */
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:14px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:999px;margin-bottom:32px;
}
.tag-row .tag-label{font-size:13px;color:var(--c-muted);padding-left:12px;white-space:nowrap}
.tag{
  display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--c-text);background:var(--c-surface-alt);
  border:1px solid transparent;transition:all .2s ease;
}
.tag:hover{background:var(--c-primary-tint);color:var(--c-primary)}
.tag.active{background:var(--c-primary);color:#fff;font-weight:600}
.tag-count{font-size:12px;opacity:.7;margin-left:6px}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.info-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#cfe0db}
.thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-alt)}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.info-card:hover .thumb img{transform:scale(1.04)}
.card-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:21px}
.card-body p{font-size:15px;color:var(--c-muted);line-height:1.8}
.pill{
  align-self:flex-start;display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--c-primary-tint);color:var(--c-primary);
}
.card-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--c-primary-mid);display:inline-flex;align-items:center;gap:6px}
.card-link::after{content:"→";transition:transform .2s ease}
.info-card:hover .card-link::after{transform:translateX(4px)}
.card-note{
  margin-top:4px;font-size:13px;color:#8b9693;
  padding-top:12px;border-top:1px dashed var(--c-line);
}

/* ============ 指标带 ============ */
.stat-band{
  position:relative;overflow:hidden;
  background:var(--grad-brand);color:#fff;border-radius:var(--radius-lg);
  padding:52px 40px;
}
.stat-band::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:520px;
  background:radial-gradient(520px 220px at 18% 0%,rgba(240,161,92,.28),transparent 66%),
             radial-gradient(620px 260px at 82% 12%,rgba(255,255,255,.14),transparent 70%);
  pointer-events:none;
}
.stat-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.stat-item{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:26px 24px;
}
.stat-item strong{
  display:block;font-size:48px;font-weight:800;line-height:1.05;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
  background:linear-gradient(135deg,#F0A15C,#E07B39);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item span{display:block;margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.82)}
.stat-item p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}

/* ============ 处理顺序 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px 24px;position:relative;transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.step .step-no{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#F0A15C,#E07B39);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--c-muted)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;
  padding:4px 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cfe0db;box-shadow:0 14px 30px -24px rgba(14,78,72,.6)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;padding:18px 0;
  cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:17.5px;flex:1}
.faq-mark{width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex-shrink:0}
.faq-arrow{
  width:22px;height:22px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;color:var(--c-primary-mid);
  background:var(--c-primary-tint);font-size:12px;transition:transform .25s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg)}
.faq-body{padding:0 0 20px 22px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad-brand);color:#fff;padding:52px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:auto -8% -60% auto;width:520px;height:520px;
  background:radial-gradient(circle,rgba(240,161,92,.32),transparent 68%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:620px;position:relative;z-index:2}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.cta-band .btn-outline{border-color:rgba(255,255,255,.65);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.14)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:#CFE0DC;margin-top:96px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--grad-accent)}
.site-footer p{font-size:14px;color:#A9C2BC;line-height:1.85}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  position:relative;font-size:14px;color:#A9C2BC;padding-left:0;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:12px;background:var(--c-accent);border-radius:2px;
  transition:width .2s ease;
}
.footer-links a:hover{color:#fff;padding-left:10px}
.footer-links a:hover::before{width:2px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8FA9A3;
}
.footer-bottom a{color:#CFE0DC}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .search-box input{width:120px}
}
@media (max-width:1023px){
  .main-nav,.search-box{display:none}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .hero-sm-grid{grid-template-columns:1fr;gap:36px;padding-top:52px;padding-bottom:56px;min-height:auto}
  .hero-copy h1{font-size:34px}
  .hero-visual img{height:300px}
  .hero-badge{left:16px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:72px 0}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 28px}
  .cta-band h2{font-size:24px}
  .section-head h2{font-size:25px}
  .hero-copy h1{font-size:30px}
  .hero-visual img{height:240px}
  .stat-item strong{font-size:40px}
}
@media (max-width:520px){
  body .container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .stat-band{padding:38px 22px}
  .stat-item{padding:20px 16px}
  .stat-item strong{font-size:34px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .card-body{padding:22px}
  .brand-text{font-size:16px}
}