/* roulang page: index */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.05);
  --sh-2:0 10px 28px -14px rgba(22,33,30,.12);
  --sh-3:0 18px 40px -20px rgba(22,33,30,.22);
  --container:1200px;
  --container-wide:1320px;
}
*,*::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","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background:var(--pg-bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--pg-primary-600);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:var(--container-wide);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--pg-surface);}
.section-tint{background:var(--pg-primary-100);}
.bg-dots{
  background-color:var(--pg-bg);
  background-image:radial-gradient(rgba(15,110,92,.09) 1px,transparent 1px);
  background-size:20px 20px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;
  color:var(--pg-primary);
  background:var(--pg-primary-100);
  border:1px solid rgba(15,110,92,.16);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:20px;
}
.eyebrow i{font-size:12px;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;font-weight:600;letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--pg-ink-2);}
.section-head .kicker{
  display:block;font-size:12px;letter-spacing:.18em;color:var(--pg-accent);
  text-transform:uppercase;margin-bottom:12px;font-weight:600;
}
.divider{height:1px;background:var(--pg-line);border:0;margin:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--pg-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--pg-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;color:var(--pg-primary);border-color:rgba(15,110,92,.45);}
.btn-outline:hover{background:var(--pg-primary-100);color:var(--pg-primary-600);transform:translateY(-1px);}
.btn-accent{background:var(--pg-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#c4652f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--pg-ink-2);border-color:var(--pg-line);}
.btn-ghost:hover{color:var(--pg-primary);border-color:rgba(15,110,92,.4);}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{background:#cfd6d3;color:#f5f5f3;cursor:not-allowed;transform:none;box-shadow:none;border-color:transparent;}

/* 标签 / 徽章 */
.tag{
  display:inline-block;font-size:12px;letter-spacing:.08em;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--pg-primary-100);color:var(--pg-primary-600);font-weight:600;
}
.tag-accent{background:var(--pg-accent-100);color:#a9542a;}
.tag-line{background:transparent;border:1px solid var(--pg-line);color:var(--pg-muted);font-weight:500;}

/* 顶部信息条 */
.topbar{
  background:var(--pg-ink);color:#E8EDEA;font-size:13px;
  letter-spacing:.02em;
}
.topbar .container-wide{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px;}
.topbar span{display:inline-flex;align-items:center;gap:8px;}
.topbar a{color:#B7D8CE;}
.topbar a:hover{color:#fff;}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--pg-surface);
  border-bottom:1px solid var(--pg-line);transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2);}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:20px;
}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;color:var(--pg-ink-2);font-weight:500;border-radius:var(--r-sm);
}
.nav-link:hover{color:var(--pg-primary);background:rgba(15,110,92,.06);}
.nav-link.active{color:var(--pg-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--pg-primary);border-radius:2px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;justify-self:center;
  font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--pg-ink);
}
.brand:hover{color:var(--pg-primary);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--pg-primary),#128a72);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:.02em;box-shadow:var(--sh-1);
}
.nav-cta{margin-left:8px;padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--pg-line);
  background:var(--pg-surface);color:var(--pg-ink);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(15,110,92,.4);color:var(--pg-primary);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:72px 0 0 0;background:var(--pg-surface);z-index:70;
  transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .22s ease;
  overflow-y:auto;padding:16px 0 32px;border-top:1px solid var(--pg-line);
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-group{padding:8px 24px 4px;font-size:12px;letter-spacing:.14em;color:var(--pg-muted);}
.drawer a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;min-height:48px;font-size:16px;color:var(--pg-ink-2);
  border-bottom:1px solid rgba(228,223,214,.7);
}
.drawer a.active{color:var(--pg-primary);font-weight:600;background:var(--pg-primary-100);}
.drawer a i{font-size:12px;color:var(--pg-muted);}
.drawer-foot{padding:20px 24px 0;}
.drawer-foot .btn{width:100%;}

/* Hero */
.hero{position:relative;overflow:hidden;padding:80px 0 88px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;letter-spacing:-.015em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--pg-primary);}
.hero-sub{font-size:17px;color:var(--pg-ink-2);max-width:56ch;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding-top:26px;border-top:1px solid var(--pg-line);
}
.hero-stats .num{
  font-size:26px;font-weight:700;color:var(--pg-primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stats .lbl{font-size:13px;color:var(--pg-muted);margin-top:4px;}
.hero-visual{position:relative;padding-bottom:56px;}
.hero-visual .main-shot{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--pg-line);box-shadow:var(--sh-3);background:var(--pg-primary-100);
}
.hero-visual .float-card{
  position:absolute;right:-12px;bottom:0;width:38%;
  border-radius:var(--r-md);overflow:hidden;border:4px solid var(--pg-surface);
  box-shadow:var(--sh-3);background:var(--pg-surface);
}
.hero-visual .float-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-visual .float-card span{
  display:block;font-size:12px;padding:8px 10px;color:var(--pg-ink-2);
  background:var(--pg-surface);text-align:center;
}

/* 价值主张条 */
.value-strip{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.value-strip .grid{display:grid;grid-template-columns:repeat(4,1fr);}
.value-item{padding:28px 26px;border-left:1px solid var(--pg-line);}
.value-item:first-child{border-left:0;}
.value-item i{font-size:22px;color:var(--pg-primary);}
.value-item h3{font-size:16px;font-weight:600;margin:14px 0 6px;}
.value-item p{font-size:14px;color:var(--pg-ink-2);line-height:1.7;}

/* 卡片通用 */
.card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  padding:28px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  box-shadow:var(--sh-1);
}
.card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.3);box-shadow:var(--sh-2);}
.card h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.card p{font-size:15px;color:var(--pg-ink-2);}
.card .card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--pg-primary-100);color:var(--pg-primary);font-size:18px;margin-bottom:18px;
}
.card-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-size:14px;font-weight:600;color:var(--pg-primary);
}
.card-link i{font-size:12px;transition:transform .18s ease;}
.card-link:hover i{transform:translateX(3px);}

.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-grid .card-lead{grid-column:span 2;display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:center;padding:36px;}
.feature-grid .card-lead img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-md);background:var(--pg-primary-100);
}

/* 场景 Z 型 */
.scene-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:72px 0;border-top:1px solid var(--pg-line);
}
.scene-row:first-of-type{border-top:0;padding-top:0;}
.scene-row.reverse .scene-media{order:-1;}
.scene-index{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(15,110,92,.35);
  color:var(--pg-primary);display:grid;place-items:center;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:18px;background:var(--pg-surface);
}
.scene-row h3{font-size:24px;font-weight:600;margin-bottom:14px;}
.scene-row p{color:var(--pg-ink-2);margin-bottom:18px;}
.scene-list li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:var(--pg-ink-2);
}
.scene-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--pg-primary);border-radius:2px;
}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--pg-line);box-shadow:var(--sh-2);background:var(--pg-primary-100);
}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.case-card h3{font-size:21px;font-weight:600;margin:16px 0 12px;}
.case-card p{color:var(--pg-ink-2);font-size:15px;margin-bottom:22px;}
.case-metrics{
  display:flex;gap:32px;padding-top:20px;border-top:1px solid var(--pg-line);margin-top:auto;
}
.case-metrics strong{
  display:block;font-size:24px;color:var(--pg-accent);font-variant-numeric:tabular-nums;font-weight:700;
}
.case-metrics span{font-size:13px;color:var(--pg-muted);}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-lg);
  padding:32px 28px;display:flex;flex-direction:column;position:relative;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.price-card.featured{border-color:var(--pg-primary);box-shadow:var(--sh-3);}
.price-card.featured::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--pg-primary);
  border-radius:var(--r-lg) var(--r-lg) 0 0;
}
.price-badge{
  position:absolute;top:-13px;right:24px;background:var(--pg-accent);color:#fff;
  font-size:12px;letter-spacing:.08em;padding:5px 14px;border-radius:var(--r-pill);font-weight:600;
}
.price-card h3{font-size:18px;font-weight:600;color:var(--pg-ink-2);}
.price-value{
  margin:14px 0 6px;font-size:38px;font-weight:700;color:var(--pg-ink);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.price-value small{font-size:14px;font-weight:500;color:var(--pg-muted);margin-left:6px;}
.price-desc{font-size:14px;color:var(--pg-muted);margin-bottom:22px;}
.price-list{margin-bottom:26px;flex:1;}
.price-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--pg-ink-2);margin-bottom:11px;
}
.price-list li i{color:var(--pg-primary);font-size:13px;margin-top:5px;}
.price-list li.off{color:var(--pg-muted);}
.price-list li.off i{color:#C2C9C6;}
.price-card .btn{width:100%;}

/* 资讯 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.news-head h2{font-size:clamp(24px,3vw,32px);font-weight:600;}
.news-head p{margin-top:12px;color:var(--pg-ink-2);max-width:56ch;}
.news-more{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--pg-primary);}
.news-more i{transition:transform .18s ease;font-size:12px;}
.news-more:hover i{transform:translateX(4px);}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;box-shadow:var(--sh-1);
}
.news-card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.3);box-shadow:var(--sh-2);}
.news-thumb{display:block;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--pg-primary-100);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:16px;font-weight:600;line-height:1.5;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a{color:var(--pg-ink);}
.news-body h3 a:hover{color:var(--pg-primary);}
.news-body p{
  font-size:14px;color:var(--pg-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--pg-line);
  font-size:13px;color:var(--pg-muted);
}
.news-meta a{font-weight:600;color:var(--pg-primary);}
.empty-state{
  min-height:220px;border:1px dashed var(--pg-line);border-radius:var(--r-lg);
  background:var(--pg-surface);display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:12px;text-align:center;padding:32px;
}
.empty-state i{font-size:26px;color:var(--pg-muted);}
.empty-state p{color:var(--pg-ink-2);font-size:15px;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start;}
.faq-intro{position:sticky;top:104px;}
.faq-intro h2{font-size:clamp(24px,3vw,32px);font-weight:600;margin-bottom:14px;}
.faq-intro p{color:var(--pg-ink-2);margin-bottom:22px;}
.faq-list{max-width:860px;}
.faq-item{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(15,110,92,.35);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--pg-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\002B";font-size:20px;color:var(--pg-muted);line-height:1;transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary{color:var(--pg-primary);}
.faq-item[open] summary::after{content:"\2212";color:var(--pg-primary);}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--pg-ink-2);}

/* CTA */
.cta-band{
  background:var(--pg-primary);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-3);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;margin-bottom:10px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:52ch;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-primary{background:#fff;color:var(--pg-primary-600);}
.cta-band .btn-primary:hover{background:#EDF5F1;color:var(--pg-primary-600);}
.cta-band .btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;}

/* 页脚 */
.site-footer{background:var(--pg-ink);color:#D8DEDA;margin-top:96px;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#128a72,#0F6E5C);}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col p{font-size:14px;color:#A9B4AF;line-height:1.9;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A9B4AF;}
.footer-col a:hover{color:#7FD0BB;}
.footer-social{display:flex;gap:12px;margin-top:16px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);color:#D8DEDA;
}
.footer-social a:hover{background:var(--pg-primary);color:#fff;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;font-size:13px;color:#8C9793;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* 响应式 */
@media (max-width:1279px){
  .nav-link{padding:10px 9px;font-size:14px;}
  .container,.container-wide{padding:0 22px;}
  .news-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .topbar{display:none;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .nav-wrap{grid-template-columns:44px 1fr 44px;height:64px;}
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .drawer{inset:64px 0 0 0;}
  .drawer-cta-mobile{display:flex !important;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{padding-bottom:48px;}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:16px;}
  .value-strip .grid{grid-template-columns:repeat(2,1fr);}
  .value-item:nth-child(3){border-left:0;}
  .value-item{border-top:1px solid var(--pg-line);}
  .value-item:nth-child(1),.value-item:nth-child(2){border-top:0;}
  .feature-grid .card-lead{grid-template-columns:1fr;gap:24px;}
  .scene-row{grid-template-columns:1fr;gap:32px;padding:52px 0;}
  .scene-row.reverse .scene-media{order:0;}
  .case-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;max-width:520px;margin:0 auto;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-intro{position:static;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container,.container-wide{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:34px;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15px;}
  .hero-stats{grid-template-columns:1fr;gap:14px;}
  .hero-stats .num{font-size:22px;}
  .hero-visual .float-card{width:44%;right:0;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-grid .card-lead{grid-column:span 1;padding:26px;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .value-strip .grid{grid-template-columns:1fr;}
  .value-item{border-left:0;border-top:1px solid var(--pg-line);}
  .value-item:first-child{border-top:0;}
  .cta-band{padding:28px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:52px;margin-top:64px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .card{padding:22px;}
  .price-card{padding:26px 20px;}
  .price-value{font-size:32px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;}
}

/* roulang page: article */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --shadow-1:0 1px 2px rgba(22,33,30,.05);
  --shadow-2:0 10px 28px -14px rgba(22,33,30,.12);
  --shadow-3:0 18px 40px -18px rgba(22,33,30,.20);
  --sp-section:96px;
}
*,*::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","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background:var(--pg-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{max-width:1320px;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--pg-surface);border-bottom:1px solid var(--pg-line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.topbar{background:var(--pg-primary);color:#DDF0E9;font-size:13px;letter-spacing:.02em;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:32px;}
.topbar a{color:#EAF7F2;}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:6px;}
.nav-side.left{justify-content:flex-start;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  font-size:15px;
  color:var(--pg-ink-2);
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--pg-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--pg-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--pg-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;justify-self:center;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--pg-primary);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.04em;
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--pg-ink);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--pg-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--pg-primary-600);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;border-color:rgba(15,110,92,.42);color:var(--pg-primary);}
.btn-outline:hover{background:var(--pg-primary-100);transform:translateY(-1px);}
.btn-accent{background:var(--pg-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-accent:hover{background:#C4652F;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
.btn:disabled,.btn[disabled]{opacity:.6;pointer-events:none;}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;border:1px solid var(--pg-line);color:var(--pg-ink);}
.nav-toggle:hover{background:var(--pg-primary-100);color:var(--pg-primary);}
.mobile-cta{display:none;}
.mobile-panel{display:none;border-top:1px solid var(--pg-line);background:var(--pg-surface);}
.mobile-panel.open{display:block;}
.mobile-panel .panel-group{padding:14px 0 4px;}
.mobile-panel .panel-title{font-size:12px;letter-spacing:.12em;color:var(--pg-muted);padding:0 24px 8px;}
.mobile-panel a.panel-link{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 24px;font-size:15px;color:var(--pg-ink-2);border-bottom:1px solid #F1EDE5;}
.mobile-panel a.panel-link:hover,.mobile-panel a.panel-link.active{color:var(--pg-primary);background:var(--pg-primary-100);}
.mobile-panel .panel-foot{padding:16px 24px 24px;}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:52px 0 56px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,58,49,.92),rgba(15,110,92,.80));
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;
  background:rgba(255,255,255,.16);color:#EAF7F2;border:1px solid rgba(255,255,255,.28);
}
.article-hero h1{
  margin:18px 0 20px;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;
  font-weight:700;
  max-width:900px;
  color:#fff;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:rgba(255,255,255,.82);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:#8FD8C4;}

/* ---------- Article layout ---------- */
.article-section{padding:64px 0 var(--sp-section);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-panel{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-lg);
  padding:40px 44px 48px;
  box-shadow:var(--shadow-1);
  min-width:0;
}
.article-lead{
  padding:18px 22px;
  margin-bottom:28px;
  background:var(--pg-primary-100);
  border-radius:var(--r-md);
  color:var(--pg-ink-2);
  font-size:15px;
  line-height:1.85;
}
.article-body{font-size:16px;line-height:1.9;color:var(--pg-ink-2);min-width:0;word-wrap:break-word;}
.article-body h2{
  position:relative;
  padding-left:16px;
  margin:44px 0 16px;
  font-size:clamp(20px,2.2vw,24px);
  line-height:1.4;
  font-weight:600;
  color:var(--pg-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;
  width:4px;height:1em;border-radius:2px;background:var(--pg-primary);
}
.article-body h3{margin:32px 0 12px;font-size:19px;line-height:1.4;font-weight:600;color:var(--pg-ink);}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--pg-ink);}
.article-body p{margin:0 0 1.2em;}
.article-body ol{padding-left:22px;margin:0 0 1.2em;list-style:decimal;}
.article-body ul{margin:0 0 1.2em;padding-left:20px;}
.article-body ul li{position:relative;margin:.45em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:-18px;top:.72em;
  width:6px;height:6px;border-radius:1px;background:var(--pg-primary);
}
.article-body ol li{margin:.45em 0;}
.article-body blockquote{
  margin:0 0 1.4em;
  padding:16px 22px;
  background:var(--pg-primary-100);
  border-left:3px solid var(--pg-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--pg-ink-2);
}
.article-body img{border-radius:8px;margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--pg-muted);text-align:center;margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--pg-line);padding:10px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--pg-primary-100);color:var(--pg-ink);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FBF9F5;}
.article-body a{color:var(--pg-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--pg-primary-600);}
.article-body hr{border:0;border-top:1px solid var(--pg-line);margin:36px 0;}
.article-body code{background:#F1EDE5;border-radius:6px;padding:2px 6px;font-size:14px;}

/* ---------- Sidebar ---------- */
.sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--pg-ink);
  padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid var(--pg-line);
}
.side-title i{color:var(--pg-primary);}
.toc-list{counter-reset:toc;font-size:14px;}
.toc-list li{counter-increment:toc;margin:6px 0;}
.toc-list a{
  display:flex;gap:10px;align-items:flex-start;
  color:var(--pg-ink-2);line-height:1.6;padding:4px 0;
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);
  color:var(--pg-primary);font-weight:600;font-size:12px;
  letter-spacing:.04em;padding-top:3px;font-variant-numeric:tabular-nums;
}
.toc-list a:hover{color:var(--pg-primary);}
.side-links li{margin-bottom:2px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:9px 0;font-size:14px;color:var(--pg-ink-2);
  border-bottom:1px dashed #EFEAE1;
}
.side-links li:last-child a{border-bottom:0;}
.side-links a:hover{color:var(--pg-primary);}
.side-links i{color:var(--pg-muted);font-size:12px;}
.side-card.accent{background:var(--pg-primary-100);border-color:#CFE6DD;}
.side-card.accent .side-title{border-color:#CFE6DD;}
.side-card.accent p{font-size:14px;color:var(--pg-ink-2);margin-bottom:14px;}

/* ---------- Empty state ---------- */
.empty-box{
  border:1px dashed #CFC8BA;
  background:#FCFAF6;
  border-radius:var(--r-md);
  padding:56px 24px;
  text-align:center;
  color:var(--pg-ink-2);
}
.empty-box i{font-size:30px;color:var(--pg-muted);margin-bottom:14px;display:block;}
.empty-box p{margin-bottom:20px;font-size:15px;}

/* ---------- Related ---------- */
.related{padding:0 0 var(--sp-section);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:600;color:var(--pg-ink);}
.section-head p{font-size:14px;color:var(--pg-muted);margin-top:6px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.3);box-shadow:var(--shadow-2);}
.card-media{position:relative;aspect-ratio:16/9;background:#EDE8DF;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--pg-ink);}
.card-body p{font-size:14px;color:var(--pg-ink-2);line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--pg-muted);}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  background:var(--pg-primary-100);color:var(--pg-primary);
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--pg-primary);}
.link-arrow i{transition:transform .18s ease;font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-band{margin:0 0 var(--sp-section);}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--pg-primary);
  color:#fff;
  border-radius:var(--r-lg);
  padding:48px;
  box-shadow:var(--shadow-3);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);font-weight:600;line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.86);font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-inner .btn-primary{background:#fff;color:var(--pg-primary);}
.cta-inner .btn-primary:hover{background:#EAF7F2;}
.cta-inner .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-inner .btn-outline:hover{background:rgba(255,255,255,.14);}

/* ---------- Footer ---------- */
.site-footer{background:var(--pg-ink);color:#D8DEDA;padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;}
.footer-brand .brand-mark{background:var(--pg-primary);color:#fff;}
.site-footer p{color:#A9B3AE;line-height:1.85;font-size:14px;}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:#A9B3AE;font-size:14px;}
.footer-col ul a:hover{color:#8FD8C4;}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.07);color:#D8DEDA;
}
.footer-social a:hover{background:var(--pg-primary);color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  color:#8E9995;font-size:13px;
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--sp-section:84px;}
  .article-layout{gap:36px;grid-template-columns:minmax(0,1fr) 280px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .topbar{display:none;}
  .nav-side{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-cta{display:inline-flex;justify-self:end;}
  .nav-wrap{grid-template-columns:auto 1fr auto;height:64px;gap:12px;}
  .brand{justify-self:center;}
  .article-hero{padding:40px 0 44px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .sidebar{position:static;order:2;}
  .article-panel{padding:32px 28px 36px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col:first-child{grid-column:span 2;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .article-panel{padding:24px 18px 28px;border-radius:var(--r-md);}
  .article-body{font-size:15px;line-height:1.85;}
  .article-body h2{margin-top:34px;font-size:20px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-inner{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col:first-child{grid-column:span 1;}
}
@media (max-width:479px){
  .brand-text{font-size:17px;}
  .article-hero h1{font-size:24px;}
  .article-meta{gap:12px;}
  .btn{padding:11px 18px;font-size:14px;}
}

/* roulang page: category1 */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.05);
  --sh-2:0 10px 28px -14px rgba(22,33,30,.12);
  --sh-3:0 18px 46px -22px rgba(22,33,30,.26);
  --ease:180ms ease;
}
*,*::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","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background-color:var(--pg-bg);
  background-image:radial-gradient(rgba(15,110,92,.06) 1px,transparent 1px);
  background-size:22px 22px;
  background-position:0 0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--pg-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease);}
a:hover{color:var(--pg-primary-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.01em;}
p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--pg-primary-600);
  color:#E8F3EF;
  font-size:13px;
  line-height:1;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:32px;
  gap:18px;
}
.topbar-inner span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar-inner i{color:#9BD3C3;font-size:12px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--pg-surface);
  border-bottom:1px solid var(--pg-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:8px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--pg-ink-2);
  border-radius:var(--r-sm);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--pg-primary);background:var(--pg-primary-100);}
.nav-link.active{color:var(--pg-primary);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:1px;
  height:2px;
  background:var(--pg-primary);
  border-radius:2px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  justify-self:center;
  padding:4px 6px;
  color:var(--pg-ink);
}
.brand:hover{color:var(--pg-ink);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--pg-primary),#12836E);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:var(--sh-1);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  letter-spacing:.02em;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  color:var(--pg-ink);
  font-size:18px;
  border:1px solid var(--pg-line);
  background:var(--pg-surface);
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--pg-primary-100);border-color:rgba(15,110,92,.3);}
.mobile-cta{display:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--pg-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--pg-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;border-color:rgba(15,110,92,.45);color:var(--pg-primary);}
.btn-outline:hover{background:var(--pg-primary-100);color:var(--pg-primary-600);transform:translateY(-1px);}
.btn-accent{background:var(--pg-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#C46733;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
.btn-lg{padding:15px 28px;font-size:16px;}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(.6);pointer-events:none;}

/* ============ 移动面板 ============ */
.mobile-panel{
  display:none;
  border-top:1px solid var(--pg-line);
  background:var(--pg-surface);
  padding:8px 0 20px;
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block;}
.mobile-panel .group-title{
  padding:14px 24px 6px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--pg-muted);
  font-weight:600;
}
.mobile-panel a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  padding:0 24px;
  font-size:16px;
  color:var(--pg-ink);
  border-bottom:1px solid rgba(228,223,214,.7);
}
.mobile-panel a:hover{background:var(--pg-primary-100);color:var(--pg-primary);}
.mobile-panel a i{color:var(--pg-muted);font-size:13px;}
.mobile-panel .panel-cta{padding:18px 24px 0;border-bottom:none;}
.mobile-panel .panel-cta .btn{width:100%;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--pg-surface);border-bottom:1px solid var(--pg-line);}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  padding:14px 0;
  font-size:13px;
  color:var(--pg-muted);
}
.crumb a{color:var(--pg-ink-2);}
.crumb a:hover{color:var(--pg-primary);}
.crumb .sep{color:#C8C2B6;}
.crumb .current{color:var(--pg-ink);font-weight:600;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(100deg,rgba(11,90,75,.94) 0%,rgba(15,110,92,.86) 46%,rgba(22,33,30,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{padding:74px 0 78px;max-width:820px;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:12px;
  letter-spacing:.08em;
  color:#EAF6F2;
}
.hero-badge i{font-size:11px;color:#B7E3D6;}
.page-hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.01em;
}
.page-hero .hero-lead{
  margin-top:18px;
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.85;
  color:#DCEEE8;
  max-width:720px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-actions .btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,.16);color:#fff;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  margin-top:46px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.22);
}
.hero-stats .stat-num{
  font-size:26px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
  color:#fff;
}
.hero-stats .stat-num em{font-style:normal;font-size:14px;font-weight:500;color:#B7E3D6;margin-left:4px;}
.hero-stats .stat-label{font-size:13px;color:#C9E5DC;margin-top:2px;}

/* ============ 板块通用 ============ */
.section{padding:92px 0;}
.section--tight{padding:70px 0;}
.section--surface{background:var(--pg-surface);}
.section--soft{background:var(--pg-primary-100);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--pg-primary);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--pg-accent);
  border-radius:2px;
}
.section-head h2{
  margin-top:14px;
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
}
.section-head p{
  margin-top:14px;
  color:var(--pg-ink-2);
  font-size:15.5px;
  line-height:1.85;
}
.section-head--split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  max-width:none;
  flex-wrap:wrap;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14.5px;
  font-weight:600;
  color:var(--pg-primary);
}
.text-link i{font-size:12px;transition:transform var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 索引卡 3×2 ============ */
.index-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.index-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:28px 26px 24px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  overflow:hidden;
}
.index-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:3px;
  height:100%;
  background:var(--pg-primary);
  opacity:0;
  transition:opacity var(--ease);
}
.index-card:hover{
  transform:translateY(-3px);
  border-color:rgba(15,110,92,.3);
  box-shadow:var(--sh-3);
}
.index-card:hover::before{opacity:1;}
.index-card .idx {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  background:var(--pg-primary-100);
  color:var(--pg-primary);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  border:1px solid rgba(15,110,92,.16);
}
.index-card h3{font-size:19px;line-height:1.4;}
.index-card p{font-size:14.5px;line-height:1.8;color:var(--pg-ink-2);}
.index-card .card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--pg-line);}

/* ============ 能力清单 不对称栅格 ============ */
.ability-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.ability-lead{
  grid-column:span 2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:0;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.ability-lead .lead-copy{padding:40px 38px;}
.ability-lead h3{font-size:24px;line-height:1.35;margin-bottom:14px;}
.ability-lead p{color:var(--pg-ink-2);font-size:15.5px;line-height:1.85;}
.lead-list{margin-top:22px;display:grid;gap:12px;}
.lead-list li{display:flex;gap:10px;font-size:15px;color:var(--pg-ink-2);}
.lead-list li i{color:var(--pg-primary);font-size:13px;margin-top:6px;}
.ability-lead .lead-media{position:relative;min-height:280px;background:var(--pg-primary-100);}
.ability-lead .lead-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.ability-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:26px 24px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.ability-card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.3);box-shadow:var(--sh-3);}
.ability-card .ico{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:var(--r-sm);
  background:var(--pg-accent-100);
  color:var(--pg-accent);
  font-size:17px;
}
.ability-card h3{font-size:18px;}
.ability-card p{font-size:14.5px;color:var(--pg-ink-2);line-height:1.8;}

/* ============ 适用场景 Z 型 ============ */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--pg-line);
}
.scene:last-child{border-bottom:none;padding-bottom:0;}
.scene:first-child{padding-top:0;}
.scene.reverse .scene-media{order:-1;}
.scene-seal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  border-radius:10px;
  border:1.5px solid var(--pg-primary);
  color:var(--pg-primary);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.scene h3{font-size:22px;line-height:1.4;margin-bottom:12px;}
.scene p{color:var(--pg-ink-2);font-size:15.5px;line-height:1.85;}
.scene-list{margin:20px 0 22px;display:grid;gap:11px;}
.scene-list li{position:relative;padding-left:20px;font-size:15px;color:var(--pg-ink-2);}
.scene-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:7px;
  height:7px;
  background:var(--pg-primary);
  border-radius:2px;
}
.scene-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--pg-primary-100);
  box-shadow:var(--sh-2);
}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.scene-media .media-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  padding:6px 13px;
  border-radius:var(--r-pill);
  background:rgba(22,33,30,.72);
  color:#fff;
  font-size:12px;
  letter-spacing:.06em;
  backdrop-filter:blur(3px);
}

/* ============ 流程时间线 ============ */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  margin-top:10px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:6%;
  right:6%;
  top:22px;
  height:1px;
  background:linear-gradient(90deg,rgba(15,110,92,.45),rgba(15,110,92,.16));
}
.flow-node{position:relative;padding-top:0;}
.flow-node .node-seal{
  position:relative;
  z-index:2;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:10px;
  background:var(--pg-surface);
  border:1.5px solid var(--pg-primary);
  color:var(--pg-primary);
  font-size:15px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.flow-node h3{margin-top:20px;font-size:18px;line-height:1.4;}
.flow-node p{margin-top:10px;font-size:14.5px;color:var(--pg-ink-2);line-height:1.8;}

/* ============ 数据条 ============ */
.metric-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.metric{
  padding:32px 26px;
  border-right:1px solid var(--pg-line);
}
.metric:last-child{border-right:none;}
.metric .num{
  font-size:30px;
  font-weight:700;
  color:var(--pg-primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.metric .num em{font-style:normal;font-size:15px;font-weight:600;color:var(--pg-ink-2);margin-left:3px;}
.metric .label{margin-top:6px;font-size:14px;font-weight:600;}
.metric .desc{margin-top:6px;font-size:13.5px;color:var(--pg-muted);line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:56px;
  align-items:start;
}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(24px,3vw,30px);line-height:1.3;margin-top:14px;}
.faq-aside p{margin-top:14px;color:var(--pg-ink-2);font-size:15px;line-height:1.85;}
.faq-aside .btn{margin-top:22px;}
.faq-list{display:grid;gap:12px;max-width:860px;}
.faq-item{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(15,110,92,.28);}
.faq-item.is-open{border-color:rgba(15,110,92,.36);box-shadow:var(--sh-2);}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  padding:20px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--pg-ink);
  transition:color var(--ease);
}
.faq-item.is-open .faq-q{color:var(--pg-primary);}
.faq-q .sign{
  flex:none;
  position:relative;
  width:20px;
  height:20px;
}
.faq-q .sign::before,
.faq-q .sign::after{
  content:"";
  position:absolute;
  background:var(--pg-primary);
  border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-q .sign::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .sign::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-q .sign::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 200ms ease,opacity 200ms ease;
  opacity:0;
}
.faq-item.is-open .faq-a{opacity:1;}
.faq-a .inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--pg-ink-2);
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--pg-primary) 0%,#12836E 62%,#0B5A4B 100%);
  border-radius:var(--r-lg);
  padding:48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
  box-shadow:var(--sh-3);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:220px;
  height:220px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;color:#DCEEE8;max-width:620px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--pg-ink);
  color:#D7DCDA;
  margin-top:0;
  padding:64px 0 0;
}
.site-footer a{color:#C3D0CB;}
.site-footer a:hover{color:#7FD0BC;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:44px;
  padding-bottom:46px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:#fff;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--pg-primary),#12836E);
  color:#fff;
  font-size:13px;
  font-weight:700;
}
.footer-col p{font-size:14px;line-height:1.85;color:#9FAAA6;margin-top:14px;}
.footer-col h3{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul li a{font-size:14px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:10px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  color:#C3D0CB;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.footer-social a:hover{background:var(--pg-primary);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#8C9793;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container,.container-wide{padding:0 22px;}
  .section{padding:82px 0;}
  .index-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
  .footer-grid{gap:34px;}
}
@media (max-width:1023px){
  .topbar{display:none;}
  .nav-side{display:none;}
  .nav-grid{grid-template-columns:44px 1fr 44px;height:64px;gap:10px;}
  .nav-toggle{display:inline-flex;}
  .mobile-cta{display:inline-flex;justify-self:end;}
  .brand-text{font-size:18px;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .hero-inner{padding:52px 0 58px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:36px;}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ability-lead{grid-template-columns:1fr;}
  .ability-lead .lead-media{min-height:220px;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .timeline::before{display:none;}
  .metric-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric{border-right:none;border-bottom:1px solid var(--pg-line);}
  .metric:nth-child(odd){border-right:1px solid var(--pg-line);}
  .metric:nth-last-child(-n+2){border-bottom:none;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;}
  .scene{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .scene.reverse .scene-media{order:0;}
  .cta-band{padding:38px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container,.container-wide{padding:0 16px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .index-grid{grid-template-columns:1fr;gap:16px;}
  .ability-grid{grid-template-columns:1fr;gap:16px;}
  .ability-lead{grid-column:span 1;}
  .ability-lead .lead-copy{padding:28px 22px;}
  .timeline{grid-template-columns:1fr;gap:24px;}
  .metric-band{grid-template-columns:1fr;}
  .metric{border-bottom:1px solid var(--pg-line) !important;border-right:none !important;}
  .metric:last-child{border-bottom:none !important;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .cta-band{padding:30px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15px;padding:17px 18px;}
  .faq-a .inner{padding:0 18px 18px;}
}
@media (max-width:519px){
  .brand-text{font-size:17px;}
  .brand-mark{width:30px;height:30px;font-size:12px;}
  .page-hero h1{font-size:26px;}
  .hero-stats .stat-num{font-size:22px;}
  .index-card{padding:22px 20px;}
  .scene-media .media-tag{left:12px;bottom:12px;font-size:11px;}
}

/* roulang page: category2 */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --shadow-1:0 1px 2px rgba(22,33,30,.05);
  --shadow-2:0 10px 28px -14px rgba(22,33,30,.12);
  --shadow-3:0 18px 44px -22px rgba(22,33,30,.22);
  --sp-section:96px;
  --font-stack:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background:var(--pg-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--pg-primary);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding:0;list-style:none;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:600;letter-spacing:-.005em;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
.tnum{font-variant-numeric:tabular-nums;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{max-width:1320px;margin:0 auto;padding:0 24px;}
.skip{position:absolute;left:-9999px;top:0;background:var(--pg-primary);color:#fff;padding:10px 18px;border-radius:0 0 8px 0;z-index:200;}
.skip:focus{left:0;}
:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px;border-radius:6px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--pg-line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.topbar{background:var(--pg-primary);color:#EAF5F1;font-size:13px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:34px;}
.topbar a{color:#EAF5F1;}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.topbar i{margin-right:6px;opacity:.85;}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  height:72px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side.left{justify-content:flex-start;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--pg-ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--pg-primary);
  transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--pg-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--pg-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--pg-ink);letter-spacing:.01em;}
.brand:hover{color:var(--pg-primary);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--pg-primary);color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;
  box-shadow:var(--shadow-1);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;border:1px solid var(--pg-line);border-radius:12px;
  background:#fff;cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--pg-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-mobile-cta{display:none;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--pg-line);
  background:#fff;
  max-height:calc(100vh - 72px);
  overflow-y:auto;
  padding:18px 0 28px;
}
body.nav-open .mobile-panel{display:block;}
.mp-group{padding:10px 0;border-bottom:1px solid var(--pg-line);}
.mp-group:last-of-type{border-bottom:none;}
.mp-title{font-size:12px;letter-spacing:.08em;color:var(--pg-muted);margin-bottom:6px;}
.mobile-panel a.mp-link{display:flex;align-items:center;height:48px;font-size:16px;color:var(--pg-ink-2);border-radius:10px;padding:0 12px;}
.mobile-panel a.mp-link:hover,.mobile-panel a.mp-link.active{background:var(--pg-primary-100);color:var(--pg-primary);font-weight:600;}
.mobile-panel .mp-cta{margin-top:18px;width:100%;justify-content:center;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--pg-primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--pg-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:var(--pg-primary);color:var(--pg-primary);}
.btn-ghost:hover{background:var(--pg-primary-100);color:var(--pg-primary-600);transform:translateY(-1px);}
.btn-accent{background:var(--pg-accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-accent:hover{background:#C4682F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;filter:saturate(40%);}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--pg-primary);font-weight:600;font-size:15px;}
.btn-link i{transition:transform .18s ease;}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- Badges / Eyebrow ---------- */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:6px 14px;border-radius:999px;
  background:var(--pg-primary-100);color:var(--pg-primary-600);
}
.badge-accent{background:var(--pg-accent-100);color:#A9541F;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.08em;
  color:var(--pg-primary);font-weight:700;margin-bottom:12px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:var(--pg-bg);border:1px solid var(--pg-line);color:var(--pg-ink-2);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:72px 0 84px;
  background:
    radial-gradient(circle at 1px 1px,rgba(22,33,30,.055) 1px,transparent 0) 0 0/16px 16px,
    linear-gradient(180deg,#FBF9F5 0%,var(--pg-bg) 100%);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{margin:18px 0 20px;}
.hero h1 .hl{color:var(--pg-primary);}
.hero-sub{font-size:17px;color:var(--pg-ink-2);max-width:54ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 0;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;margin-top:44px;padding-top:26px;border-top:1px solid var(--pg-line);
}
.hero-stats .num{font-size:26px;font-weight:700;color:var(--pg-primary);line-height:1.2;}
.hero-stats .lbl{font-size:13px;color:var(--pg-muted);margin-top:4px;}
.hero-media{position:relative;}
.hero-media img.main{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-3);background:#E9E4DA;
}
.hero-media .float-card{
  position:absolute;right:-14px;bottom:-22px;width:46%;
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--r-md);
  padding:12px 14px;box-shadow:var(--shadow-2);
}
.hero-media .float-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px;background:#E9E4DA;}
.hero-media .float-card p{font-size:12px;color:var(--pg-muted);margin-top:8px;line-height:1.5;}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:13px;color:var(--pg-muted);padding:20px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#C7C0B4;}
.crumb a:hover{color:var(--pg-primary);text-decoration:underline;text-underline-offset:3px;}
.crumb .current{color:var(--pg-ink);font-weight:600;}

/* ---------- Section base ---------- */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#FBFAF7;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head p{color:var(--pg-ink-2);margin-top:14px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- Quick strip ---------- */
.strip{background:#fff;border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line);}
.strip-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.strip-item{padding:30px 26px;border-right:1px solid var(--pg-line);}
.strip-item:last-child{border-right:none;}
.strip-item i{font-size:20px;color:var(--pg-primary);}
.strip-item h3{font-size:16px;margin:12px 0 6px;}
.strip-item p{font-size:14px;color:var(--pg-muted);line-height:1.7;}

/* ---------- Alternating layout with sticky anchor ---------- */
.layout{display:grid;grid-template-columns:216px minmax(0,1fr);gap:56px;align-items:start;}
.anchor-col{position:sticky;top:104px;}
.anchor-title{font-size:12px;letter-spacing:.08em;color:var(--pg-muted);margin-bottom:14px;}
.anchor-nav{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--pg-line);}
.anchor-nav a{
  display:block;padding:9px 0 9px 16px;font-size:14px;color:var(--pg-ink-2);
  border-left:2px solid transparent;margin-left:-2px;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.anchor-nav a:hover{color:var(--pg-primary);border-left-color:rgba(15,110,92,.4);}
.anchor-nav a.active{color:var(--pg-primary);font-weight:600;border-left-color:var(--pg-primary);}
.anchor-cta{margin-top:26px;padding:18px;border:1px solid var(--pg-line);border-radius:var(--r-md);background:#fff;}
.anchor-cta p{font-size:13px;color:var(--pg-muted);line-height:1.7;margin-bottom:12px;}
.anchor-cta .btn{width:100%;}

.alt-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;align-items:center;
  padding:38px 0 46px;
  border-bottom:1px solid var(--pg-line);
  scroll-margin-top:110px;
}
.alt-row:last-child{border-bottom:none;padding-bottom:0;}
.alt-row .alt-media{order:2;}
.alt-row:nth-child(even) .alt-media{order:-1;}
.alt-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);background:#E9E4DA;box-shadow:var(--shadow-2);
}
.stamp{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  border:1.5px solid var(--pg-primary);color:var(--pg-primary);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.alt-row h3{font-size:clamp(20px,2.1vw,24px);margin:16px 0 14px;}
.alt-row p{color:var(--pg-ink-2);font-size:15.5px;}
.alt-row p+p{margin-top:12px;}
.tick-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.tick-list li{position:relative;padding-left:20px;font-size:15px;color:var(--pg-ink-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:7px;height:7px;border-radius:2px;background:var(--pg-primary);
}
.alt-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}

/* ---------- Choose cards (asymmetric) ---------- */
.choose-grid{display:grid;grid-template-columns:1.3fr 1fr;grid-template-rows:auto auto;gap:24px;}
.choose-card{
  background:#fff;border:1px solid var(--pg-line);border-radius:var(--r-md);
  padding:30px 28px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.choose-card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.35);box-shadow:var(--shadow-2);}
.choose-card.big{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;}
.choose-card.big img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm);margin-bottom:24px;background:#E9E4DA;}
.choose-card h3{font-size:19px;margin-bottom:10px;}
.choose-card p{font-size:15px;color:var(--pg-ink-2);}
.choose-card .num-chip{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;background:var(--pg-accent-100);color:#A9541F;
  font-size:13px;font-weight:700;margin-bottom:14px;
}

/* ---------- Meter section ---------- */
.meter-wrap{background:var(--pg-primary);color:#EAF5F1;border-radius:var(--r-lg);padding:56px 48px;}
.meter-wrap h2{color:#fff;}
.meter-wrap .lead{color:rgba(234,245,241,.82);margin-top:14px;max-width:62ch;}
.meter-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 44px;margin-top:40px;}
.meter-top{display:flex;align-items:baseline;justify-content:space-between;font-size:15px;}
.meter-top .meter-val{font-size:13px;color:#BFE0D6;font-variant-numeric:tabular-nums;}
.meter-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.18);margin:10px 0 8px;overflow:hidden;}
.meter-bar span{display:block;height:100%;border-radius:999px;background:var(--pg-accent);}
.meter-note{font-size:13px;color:rgba(234,245,241,.72);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:56px;align-items:start;}
.faq-intro{position:sticky;top:104px;}
.faq-intro p{color:var(--pg-ink-2);margin-top:16px;font-size:15px;}
.faq-list{max-width:860px;}
.faq-item{background:#fff;border:1px solid var(--pg-line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item:hover{border-color:rgba(15,110,92,.3);}
.faq-item.open{border-color:rgba(15,110,92,.4);box-shadow:var(--shadow-2);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--pg-ink);
  transition:color .18s ease;
}
.faq-item.open .faq-q{color:var(--pg-primary);}
.faq-q .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  border:1px solid var(--pg-line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--pg-primary);font-size:12px;transition:background .18s ease,transform .22s ease;
}
.faq-item.open .faq-icon{background:var(--pg-primary-100);transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease,opacity .24s ease;opacity:0;}
.faq-item.open .faq-a{opacity:1;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--pg-ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--pg-primary) 0%,var(--pg-primary-600) 100%);
  color:#fff;border-radius:var(--r-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:var(--shadow-3);
}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(234,245,241,.86);margin-top:12px;max-width:56ch;font-size:15px;}
.cta-band .btn-primary{background:#fff;color:var(--pg-primary-600);}
.cta-band .btn-primary:hover{background:#EAF5F1;color:var(--pg-primary-600);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:#16211E;color:#D8DED9;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:var(--pg-primary);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(216,222,217,.78);}
.footer-col h3{font-size:14px;letter-spacing:.06em;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:rgba(216,222,217,.8);}
.footer-col ul a:hover{color:#7FCBB8;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:40px;height:40px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:#D8DED9;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:var(--pg-primary);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(216,222,217,.62);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--sp-section:84px;}
  .hero-grid{gap:40px;}
  .layout{gap:40px;grid-template-columns:196px minmax(0,1fr);}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .topbar{display:none;}
  .nav-grid{grid-template-columns:44px 1fr auto;height:68px;gap:12px;}
  .nav-side{display:none;}
  .nav-toggle{display:flex;}
  .nav-mobile-cta{display:inline-flex;}
  .brand{justify-content:center;font-size:17px;}
  .brand-mark{width:32px;height:32px;border-radius:9px;font-size:13px;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:42px;}
  .hero-media .float-card{position:static;width:100%;margin-top:16px;right:auto;bottom:auto;}
  .strip-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .strip-item{border-bottom:1px solid var(--pg-line);}
  .strip-item:nth-child(2n){border-right:none;}
  .layout{grid-template-columns:1fr;gap:32px;}
  .anchor-col{position:static;}
  .anchor-nav{
    flex-direction:row;overflow-x:auto;gap:8px;
    border-left:none;padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
  }
  .anchor-nav a{
    flex:0 0 auto;background:#fff;border:1px solid var(--pg-line);
    border-radius:999px;padding:8px 16px;margin-left:0;font-size:13px;
  }
  .anchor-nav a.active{border-color:var(--pg-primary);background:var(--pg-primary-100);}
  .anchor-cta{display:none;}
  .choose-grid{grid-template-columns:1fr;}
  .choose-card.big{grid-row:auto;}
  .meter-wrap{padding:40px 28px;}
  .meter-list{grid-template-columns:1fr;gap:24px;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-intro{position:static;}
  .cta-band{padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container,.container-wide{padding:0 16px;}
  body{font-size:15px;}
  .alt-row{grid-template-columns:1fr;gap:24px;}
  .alt-row .alt-media,.alt-row:nth-child(even) .alt-media{order:-1;}
  .hero-stats{grid-template-columns:1fr;gap:14px;}
  .hero-stats .num{font-size:23px;}
  .hero-actions .btn{width:100%;}
  .strip-grid{grid-template-columns:1fr;}
  .strip-item{border-right:none;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .brand-text{font-size:16px;}
  .badge{font-size:11px;padding:5px 11px;}
  .section{padding:52px 0;}
}

/* roulang page: category3 */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-600:#C2642F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.05);
  --sh-2:0 10px 28px -14px rgba(22,33,30,.12);
  --section-y:92px;
  --section-y-sm:60px;
}
*,*::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","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background:var(--pg-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

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

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--pg-surface);
  border-bottom:1px solid var(--pg-line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2)}
.topbar{background:var(--pg-ink);color:#C9D3CE;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar-inner span{display:inline-flex;align-items:center;gap:8px}
.topbar-inner i{color:#8ED6C2}

.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-rows:72px;
  align-items:center;
  gap:18px;
}
.nav-toggle{grid-area:1/1;justify-self:start;display:none;width:42px;height:42px;border-radius:10px;flex-direction:column;gap:5px;align-items:center;justify-content:center;border:1px solid var(--pg-line)}
.nav-toggle span{width:18px;height:2px;background:var(--pg-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-side{display:flex;align-items:center;gap:20px}
.nav-side.left{grid-area:1/1;justify-content:flex-start}
.nav-side.right{grid-area:1/3;justify-content:flex-end;gap:18px}
.nav-link{
  position:relative;
  font-size:14.5px;
  color:var(--pg-ink-2);
  padding:6px 2px;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:2px;right:2px;bottom:0;height:2px;border-radius:2px;
  background:var(--pg-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--pg-primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--pg-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1);left:0;right:auto;width:20px}

.brand{grid-area:1/2;justify-self:center;display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--pg-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--pg-primary);color:#fff;
  display:grid;place-items:center;
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.header-cta-mobile{grid-area:1/3;justify-self:end;display:none}

.mobile-panel{
  position:fixed;inset:0;z-index:70;background:var(--pg-surface);
  padding:80px 20px 32px;overflow-y:auto;
  transform:translateY(-100%);visibility:hidden;pointer-events:none;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-panel.open{transform:translateY(0);visibility:visible;pointer-events:auto}
.mobile-group{padding:16px 0;border-bottom:1px solid var(--pg-line)}
.mobile-group h4{font-size:12px;letter-spacing:.14em;color:var(--pg-muted);font-weight:600;margin-bottom:8px}
.mobile-group a{display:flex;align-items:center;min-height:48px;font-size:16px;color:var(--pg-ink-2);border-radius:8px;padding:0 10px}
.mobile-group a.active{color:var(--pg-primary);font-weight:600;background:var(--pg-primary-100)}
.mobile-panel .btn{margin-top:22px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn i{font-size:13px}
.btn-primary{background:var(--pg-primary);color:#fff}
.btn-primary:hover{background:var(--pg-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{border-color:var(--pg-primary);color:var(--pg-primary);background:transparent}
.btn-outline:hover{background:var(--pg-primary-100);transform:translateY(-1px)}
.btn-accent{background:var(--pg-accent);color:#fff}
.btn-accent:hover{background:var(--pg-accent-600);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ============ hero ============ */
.page-hero{
  position:relative;
  padding:70px 0 78px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(11,90,75,.95) 0%,rgba(15,110,92,.88) 48%,rgba(22,33,30,.74) 100%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px;flex-wrap:wrap}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.breadcrumb .current{color:#fff}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  font-size:12.5px;letter-spacing:.06em;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.22;font-weight:700;letter-spacing:-.01em;
  max-width:900px;
}
.hero-lead{margin-top:20px;max-width:720px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.22);padding-top:26px}
.hero-stats li{padding-right:38px;margin-right:38px;border-right:1px solid rgba(255,255,255,.22)}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats .num{display:block;font-size:30px;font-weight:700;line-height:1.1}
.hero-stats small{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:6px}

/* ============ section ============ */
.section{padding:var(--section-y) 0}
.section.bg-white{background:var(--pg-surface)}
.section.bg-sand{background:var(--pg-bg)}
.section.tight{padding-top:0}
.section-head{max-width:760px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--pg-primary);
  font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--pg-accent)}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:600}
.section-head p{margin-top:14px;color:var(--pg-ink-2);font-size:16px}

/* ============ prepare list ============ */
.prepare-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.check-list{margin-top:8px}
.check-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed var(--pg-line)}
.check-item:last-child{border-bottom:0}
.check-icon{
  flex:0 0 28px;height:28px;border-radius:8px;
  background:var(--pg-primary-100);color:var(--pg-primary);
  display:grid;place-items:center;font-size:12px;margin-top:4px;
}
.check-item h3{font-size:16px;font-weight:600;line-height:1.5}
.check-item p{font-size:14.5px;color:var(--pg-ink-2);margin-top:6px}
.media{border-radius:var(--r-lg);overflow:hidden;background:var(--pg-line);aspect-ratio:4/3;box-shadow:var(--sh-2)}
.media img{width:100%;height:100%;object-fit:cover}
.media-caption{margin-top:14px;font-size:13px;color:var(--pg-muted);text-align:center}

/* ============ timeline ============ */
.timeline{position:relative;max-width:1080px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:50%;top:16px;bottom:16px;width:1px;
  background:linear-gradient(180deg,rgba(15,110,92,.06),rgba(15,110,92,.38),rgba(15,110,92,.06));
  transform:translateX(-50%);
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 96px 1fr;align-items:start}
.tl-node{
  grid-column:2;grid-row:1;justify-self:center;
  width:46px;height:46px;border-radius:10px;
  background:var(--pg-surface);border:1px solid var(--pg-primary);
  color:var(--pg-primary);font-weight:700;font-size:15px;
  display:grid;place-items:center;
  box-shadow:var(--sh-1);z-index:1;
}
.tl-body{grid-column:1;grid-row:1;padding:0 10px 40px 0}
.tl-item:nth-child(even) .tl-body{grid-column:3;padding:0 0 40px 10px}
.tl-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.3);box-shadow:var(--sh-2)}
.tl-card h3{font-size:20px;font-weight:600;line-height:1.4}
.tl-card > p{margin-top:12px;font-size:15px;color:var(--pg-ink-2)}
.tl-points{margin-top:18px;border-top:1px dashed var(--pg-line);padding-top:16px}
.tl-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--pg-ink-2);margin-bottom:8px}
.tl-points li:last-child{margin-bottom:0}
.tl-points li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--pg-primary)}
.tl-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;font-weight:600;padding:5px 11px;border-radius:var(--r-pill);background:var(--pg-primary-100);color:var(--pg-primary-600);margin-bottom:14px}
.tl-item--cta .tl-card{background:var(--pg-primary);border-color:var(--pg-primary);color:#fff}
.tl-item--cta .tl-card h3{color:#fff}
.tl-item--cta .tl-card > p{color:rgba(255,255,255,.84)}
.tl-item--cta .tl-node{background:var(--pg-accent);border-color:var(--pg-accent);color:#fff}
.tl-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.tl-item--cta .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.tl-item--cta .btn-outline:hover{background:rgba(255,255,255,.14)}

/* ============ pain cards ============ */
.pain-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:24px}
.pain-card{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pain-card:hover{transform:translateY(-3px);border-color:rgba(15,110,92,.3);box-shadow:var(--sh-2)}
.pain-card .thumb{aspect-ratio:16/9;background:var(--pg-line);overflow:hidden}
.pain-card .thumb img{width:100%;height:100%;object-fit:cover}
.pain-body{padding:24px;display:flex;flex-direction:column;flex:1}
.pain-body h3{font-size:18px;font-weight:600;line-height:1.45}
.pain-body p{margin-top:10px;font-size:14.5px;color:var(--pg-ink-2);flex:1}
.pain-meta{margin-top:18px;font-size:12.5px;color:var(--pg-muted);display:flex;align-items:center;gap:8px}

/* ============ faq ============ */
.faq-layout{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:110px}
.faq-aside h2{font-size:clamp(24px,3vw,30px);line-height:1.3;font-weight:600}
.faq-aside p{margin-top:14px;color:var(--pg-ink-2);font-size:15px}
.faq-aside .btn{margin-top:24px}
.faq-item{border-bottom:1px solid var(--pg-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--pg-ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--pg-primary)}
.faq-q i{flex:0 0 auto;color:var(--pg-muted);font-size:14px;transition:transform .22s ease,color .22s ease}
.faq-item.open .faq-q{color:var(--pg-primary)}
.faq-item.open .faq-q i{transform:rotate(45deg);color:var(--pg-primary)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .25s ease,opacity .25s ease}
.faq-item.open .faq-a{max-height:320px;opacity:1}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--pg-ink-2);max-width:720px}

/* ============ cta band ============ */
.cta-band{
  background:var(--pg-primary);color:#fff;border-radius:var(--r-lg);
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:600;color:#fff}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.84);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.cta-band .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.14)}

/* ============ footer ============ */
.site-footer{background:#16211E;color:#D8DED9;margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:46px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:var(--pg-primary);color:#fff;border:1px solid rgba(255,255,255,.18)}
.footer-col p{font-size:14px;color:#A9B5B0;max-width:340px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:#A9B5B0;transition:color .18s ease}
.footer-col ul a:hover{color:#8ED6C2}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:#fff;font-size:14px;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:var(--pg-primary);border-color:var(--pg-primary);transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#8A9691;
}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  .prepare-grid{gap:40px}
  .pain-grid{grid-template-columns:1.2fr 1fr 1fr;gap:20px}
}
@media (max-width:1023px){
  :root{--section-y:72px;--section-y-sm:52px}
  .topbar{display:none}
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .header-cta-mobile{display:inline-flex}
  .header-inner{grid-template-rows:66px;gap:12px}
  .hero-stats li{padding-right:26px;margin-right:26px}
  .prepare-grid{grid-template-columns:1fr;gap:36px}
  .pain-grid{grid-template-columns:1fr 1fr}
  .pain-grid .pain-card:first-child{grid-column:span 2}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:860px){
  .timeline::before{left:22px}
  .tl-item{grid-template-columns:44px 1fr;gap:16px}
  .tl-node{grid-column:1;justify-self:start;width:44px;height:44px}
  .tl-body,
  .tl-item:nth-child(even) .tl-body{grid-column:2;grid-row:1;padding:0 0 28px 0}
  .tl-card{padding:22px}
}
@media (max-width:767px){
  :root{--section-y:60px;--section-y-sm:46px}
  body{font-size:15px}
  .container{padding:0 16px}
  .page-hero{padding:48px 0 56px}
  .hero-lead{font-size:15.5px}
  .hero-actions{gap:12px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .hero-stats{margin-top:32px;padding-top:20px}
  .hero-stats li{padding-right:20px;margin-right:20px;flex:1 1 auto}
  .hero-stats .num{font-size:24px}
  .pain-grid{grid-template-columns:1fr}
  .pain-grid .pain-card:first-child{grid-column:span 1}
  .section-head{margin-bottom:32px}
  .cta-band{padding:30px 22px;border-radius:var(--r-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:479px){
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;border-radius:8px;font-size:12px}
  .header-cta-mobile{padding:8px 12px;font-size:13px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-stats li{flex:1 1 100%;border-right:0;padding-right:0;margin-right:0;margin-bottom:14px}
  .hero-stats li:last-child{margin-bottom:0}
}

/* roulang page: category4 */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-600:#C2662F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.05);
  --sh-2:0 10px 28px -14px rgba(22,33,30,.12);
  --sh-3:0 18px 44px -20px rgba(22,33,30,.20);
  --ease:180ms ease;
  --pad:24px;
  --container:1200px;
}
*,*::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","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background:var(--pg-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:separate;border-spacing:0}
:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad)}
.container-wide{max-width:1320px}

/* ============ 顶栏 & 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--pg-line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.topbar{background:var(--pg-ink);color:#C7D4D0;font-size:13px;letter-spacing:.02em}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;height:36px}
.topbar-inner i{color:var(--pg-accent);margin-right:6px}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:72px;
}
.nav-left{display:flex;align-items:center;gap:4px;min-width:0;justify-self:start}
.nav-right{display:flex;align-items:center;gap:10px;min-width:0;justify-self:end}
.nav-side{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--pg-ink-2);
  border-radius:var(--r-sm);
  white-space:nowrap;
  transition:color var(--ease),background-color var(--ease);
}
.nav-link:hover{color:var(--pg-primary);background:var(--pg-primary-100)}
.nav-link.active{color:var(--pg-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--pg-primary);
}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.01em;color:var(--pg-ink);white-space:nowrap}
.brand:hover{color:var(--pg-primary)}
.brand-mark{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--pg-primary);color:#fff;font-size:13px;font-weight:700;letter-spacing:.06em;
}
.nav-toggle{
  display:none;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--pg-line);background:var(--pg-surface);color:var(--pg-ink);
  cursor:pointer;transition:background-color var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--pg-primary-100);border-color:rgba(15,110,92,.35);color:var(--pg-primary)}

/* ============ 移动端面板 ============ */
.mobile-panel{display:none}
body.nav-open{overflow:hidden}
body.nav-open .mobile-panel{
  display:block;position:fixed;inset:0;z-index:120;background:var(--pg-bg);
  padding:18px 16px 28px;overflow-y:auto;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--pg-line)}
.panel-close{
  display:grid;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--pg-line);background:var(--pg-surface);cursor:pointer;
}
.panel-close:hover{background:var(--pg-primary-100);color:var(--pg-primary)}
.panel-group{margin-top:22px}
.panel-group h4{font-size:12px;letter-spacing:.14em;color:var(--pg-muted);font-weight:700;margin-bottom:8px}
.panel-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:10px;font-size:16px;color:var(--pg-ink);
  border:1px solid transparent;
}
.panel-link:hover{background:var(--pg-surface);border-color:var(--pg-line)}
.panel-link.active{color:var(--pg-primary);background:var(--pg-primary-100);font-weight:600}
.panel-foot{margin-top:26px;padding-top:20px;border-top:1px solid var(--pg-line)}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--pg-primary);color:#fff}
.btn-primary:hover{background:var(--pg-primary-600);color:#fff;box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:rgba(15,110,92,.45);color:var(--pg-primary)}
.btn-ghost:hover{background:var(--pg-primary-100);color:var(--pg-primary-600)}
.btn-accent{background:var(--pg-accent);color:#fff}
.btn-accent:hover{background:var(--pg-accent-600);color:#fff;box-shadow:var(--sh-2)}
.btn-light{background:#fff;color:var(--pg-primary);border-color:#fff}
.btn-light:hover{background:#EAF5F1;color:var(--pg-primary-600)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}
.btn.is-disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.08em;
  background:var(--pg-primary-100);color:var(--pg-primary-600);
}
.tag.accent{background:var(--pg-accent-100);color:#B25A28}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--pg-surface);border:1px solid var(--pg-line);color:var(--pg-primary-600);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.badge i{color:var(--pg-accent)}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--pg-muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--pg-muted)}
.breadcrumb a:hover{color:var(--pg-primary)}
.breadcrumb .sep{color:#C6C0B6}
.breadcrumb .current{color:var(--pg-ink);font-weight:600}

/* ============ 页面首屏 ============ */
.page-hero{
  position:relative;padding:44px 0 68px;overflow:hidden;
  background:
    radial-gradient(circle at 90% 8%, rgba(217,118,63,.12), transparent 52%),
    linear-gradient(180deg,#FCFAF6 0%, var(--pg-bg) 100%);
  border-bottom:1px solid var(--pg-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(15,110,92,.13) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(150deg,transparent 35%,#000 100%);
  mask-image:linear-gradient(150deg,transparent 35%,#000 100%);
}
.page-hero > .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy h1{font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;margin:16px 0 16px}
.hero-sub{font-size:17px;color:var(--pg-ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--pg-line);padding-top:20px}
.hero-stats li{padding:0 26px;border-left:1px solid var(--pg-line);font-variant-numeric:tabular-nums}
.hero-stats li:first-child{padding-left:0;border-left:0}
.hero-stats strong{display:block;font-size:22px;font-weight:700;color:var(--pg-primary);line-height:1.3}
.hero-stats span{font-size:13px;color:var(--pg-muted)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--pg-line);box-shadow:var(--sh-3);background:var(--pg-primary-100);
}
.hero-media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:42%;height:34%;
  border-radius:var(--r-md);border:1px solid rgba(217,118,63,.35);z-index:-1;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section.alt{background:var(--pg-surface);border-top:1px solid var(--pg-line);border-bottom:1px solid var(--pg-line)}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--pg-accent);margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.section-head p{color:var(--pg-ink-2)}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ 方案速览卡 ============ */
.plan-brief{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.brief-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.brief-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(15,110,92,.32)}
.brief-card.feature{border-top:4px solid var(--pg-primary);border-color:rgba(15,110,92,.4)}
.brief-card .ribbon{position:absolute;top:-12px;right:20px}
.brief-card h3{font-size:20px;margin-bottom:6px}
.brief-card .brief-desc{font-size:14.5px;color:var(--pg-muted);margin-bottom:18px}
.price{display:flex;align-items:baseline;font-variant-numeric:tabular-nums;font-size:36px;font-weight:700;color:var(--pg-ink);line-height:1.1}
.price em{font-style:normal;font-size:18px;color:var(--pg-ink-2);margin-right:2px}
.price small{font-size:14px;font-weight:500;color:var(--pg-muted);margin-left:6px}
.brief-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.brief-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--pg-ink-2)}
.brief-list li i{color:var(--pg-primary);font-size:13px;margin-top:7px}
.brief-list li.off i{color:#B9B4AA}
.brief-list li.off{color:var(--pg-muted)}

/* ============ 对比参数表 ============ */
.table-wrap{
  border:1px solid var(--pg-line);border-radius:var(--r-md);background:var(--pg-surface);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-hint{
  display:none;align-items:center;gap:8px;padding:10px 16px;font-size:13px;
  color:#9A5222;background:var(--pg-accent-100);border-bottom:1px solid var(--pg-line);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp-table{width:100%;min-width:880px;font-size:15px}
.cmp-table th,.cmp-table td{padding:15px 18px;text-align:left;vertical-align:middle;background:var(--pg-surface)}
.cmp-table thead th{
  background:var(--pg-primary-100);color:var(--pg-primary-600);
  font-size:13.5px;font-weight:700;letter-spacing:.04em;white-space:nowrap;
  border-bottom:1px solid var(--pg-line);
}
.cmp-table thead th.hl{background:#D3E9E0}
.cmp-table tbody th{
  font-size:14px;font-weight:600;color:var(--pg-ink);white-space:nowrap;
  border-top:1px solid var(--pg-line);
}
.cmp-table tbody td{color:var(--pg-ink-2);border-top:1px solid var(--pg-line);font-variant-numeric:tabular-nums}
.cmp-table tbody tr:nth-child(even) td,
.cmp-table tbody tr:nth-child(even) th{background:#FBF9F5}
.cmp-table .hl{background:#EDF7F3;color:var(--pg-ink);font-weight:600}
.cmp-table tbody tr:nth-child(even) .hl{background:#E4F1EC}
.cmp-table th:first-child,.cmp-table td:first-child{
  position:sticky;left:0;z-index:2;min-width:136px;box-shadow:1px 0 0 var(--pg-line);
}
.cmp-table thead th:first-child{z-index:4}
.cell-yes{color:var(--pg-primary);font-weight:600}
.cell-na{color:#B9B4AA}
.table-note{margin-top:16px;font-size:13.5px;color:var(--pg-muted);display:flex;gap:8px;align-items:flex-start}
.table-note i{color:var(--pg-accent);margin-top:6px}

/* ============ 优惠卡片 ============ */
.offer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.offer-card{
  display:flex;gap:18px;padding:26px;background:var(--pg-surface);
  border:1px solid var(--pg-line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.offer-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(15,110,92,.3)}
.offer-icon{
  flex:0 0 46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--pg-primary-100);color:var(--pg-primary);font-size:18px;
}
.offer-card h3{font-size:17px;margin-bottom:8px}
.offer-card p{font-size:14.5px;color:var(--pg-ink-2)}
.offer-card .offer-meta{display:inline-block;margin-top:12px;font-size:13px;color:var(--pg-accent);font-weight:600}

/* ============ 计费口径 ============ */
.billing-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.rule-list{display:flex;flex-direction:column;gap:18px;margin-top:6px}
.rule-list li{display:flex;gap:16px;padding-bottom:18px;border-bottom:1px dashed var(--pg-line)}
.rule-list li:last-child{border-bottom:0;padding-bottom:0}
.rule-list .rule-no{
  flex:0 0 40px;height:40px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(15,110,92,.35);color:var(--pg-primary);font-weight:700;
  font-size:15px;font-variant-numeric:tabular-nums;
}
.rule-list h3{font-size:16px;margin-bottom:4px}
.rule-list p{font-size:14.5px;color:var(--pg-ink-2)}
.billing-aside{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-2);
}
.billing-aside img{width:100%;aspect-ratio:16/11;object-fit:cover;background:var(--pg-primary-100)}
.billing-aside .aside-body{padding:24px}
.billing-aside h3{font-size:17px;margin-bottom:12px}
.billing-aside ul{display:flex;flex-direction:column;gap:10px}
.billing-aside li{display:flex;gap:10px;font-size:14.5px;color:var(--pg-ink-2)}
.billing-aside li i{color:var(--pg-primary);margin-top:7px;font-size:12px}

/* ============ 选择建议 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative}
.step{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(217,118,63,.35)}
.step-no{
  display:grid;place-items:center;width:40px;height:40px;border-radius:10px;
  background:var(--pg-accent-100);color:var(--pg-accent-600);font-weight:700;
  font-size:15px;margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--pg-ink-2)}
.step .step-tip{display:block;margin-top:14px;font-size:13px;color:var(--pg-primary);font-weight:600}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{
  background:var(--pg-surface);border:1px solid var(--pg-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq details:hover{border-color:rgba(15,110,92,.28)}
.faq details[open]{border-color:rgba(15,110,92,.4);box-shadow:var(--sh-2)}
.faq summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--pg-ink);
  transition:color var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:0 0 auto;font-size:20px;line-height:1;color:var(--pg-primary);
  transition:transform var(--ease);
}
.faq details[open] summary{color:var(--pg-primary)}
.faq details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq .faq-body{padding:0 24px 22px;font-size:15px;color:var(--pg-ink-2);animation:fadeUp .22s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ============ CTA ============ */
.cta-section{padding:0 0 88px}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  background:linear-gradient(135deg,var(--pg-primary) 0%, #0d5f50 100%);
  border-radius:var(--r-lg);padding:48px;color:#fff;box-shadow:var(--sh-3);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.85);max-width:600px;font-size:15.5px;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ============ 页脚 ============ */
.site-footer{background:var(--pg-ink);color:#C9D5D1;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px}
.footer-brand:hover{color:#fff}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col p{font-size:14.5px;line-height:1.9;color:#A9B6B2}
.footer-col ul li + li{margin-top:10px}
.footer-col a{font-size:14.5px;color:#C9D5D1}
.footer-col a:hover{color:#7ED0BB}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:#C9D5D1;
  transition:background-color var(--ease),border-color var(--ease),color var(--ease);
}
.footer-social a:hover{background:var(--pg-primary);border-color:var(--pg-primary);color:#fff}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;align-items:center;
  gap:12px;flex-wrap:wrap;font-size:13.5px;color:#8FA09B;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-link{padding:8px 10px;font-size:14.5px}
  .hero-grid{gap:36px}
}
@media (max-width:1023px){
  .topbar{display:none}
  .nav-side{display:none}
  .nav-toggle{display:grid}
  .nav-grid{height:64px;gap:12px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{aspect-ratio:16/9}
  .page-hero{padding:28px 0 52px}
  .section{padding:64px 0}
  .plan-brief{grid-template-columns:1fr;gap:18px}
  .offer-grid{grid-template-columns:1fr}
  .billing-grid{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:1fr}
  .cta-band{flex-direction:column;text-align:center;padding:38px 24px;gap:24px}
  .cta-actions{justify-content:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--pad:16px}
  body{font-size:15px}
  .nav-grid{height:60px}
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;font-size:12px;border-radius:9px}
  .nav-right .btn-sm{padding:8px 13px;font-size:13px}
  .hero-actions{gap:10px;margin:22px 0 24px}
  .hero-actions .btn{flex:1 1 46%}
  .hero-stats li{padding:0 16px}
  .hero-stats strong{font-size:19px}
  .section-head{margin-bottom:28px}
  .table-hint{display:flex}
  .faq summary{padding:16px 18px;font-size:15px}
  .faq .faq-body{padding:0 18px 18px}
  .cta-section{padding:0 0 64px}
  .site-footer{padding:48px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;margin-top:32px}
}
@media (max-width:479px){
  .hero-stats{flex-direction:column;gap:14px;border-top:0;padding-top:0}
  .hero-stats li{padding:0;border-left:0}
  .hero-actions .btn{flex:1 1 100%}
  .brief-card,.offer-card,.step{padding:22px 18px}
  .price{font-size:30px}
}

/* roulang page: category5 */
:root{
  --pg-primary:#0F6E5C;
  --pg-primary-600:#0B5A4B;
  --pg-primary-100:#E4F1EC;
  --pg-accent:#D9763F;
  --pg-accent-100:#FBEDE2;
  --pg-ink:#16211E;
  --pg-ink-2:#46534F;
  --pg-muted:#7C8683;
  --pg-bg:#F7F5F0;
  --pg-surface:#FFFFFF;
  --pg-line:#E4DFD6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,33,30,.05);
  --sh-2:0 10px 28px -14px rgba(22,33,30,.12);
  --sh-3:0 18px 44px -20px rgba(22,33,30,.22);
  --container:1200px;
  --container-wide:1320px;
  --gap:24px;
  --sec:96px;
  --font:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--pg-ink);
  background:var(--pg-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--pg-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--pg-primary-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(15,110,92,.28);outline-offset:2px;border-radius:6px;}

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

/* ---------- 顶部信息条 ---------- */
.site-header{position:sticky;top:-32px;z-index:200;background:var(--pg-surface);}
.topbar{background:var(--pg-ink);color:#E8E4DB;font-size:13px;line-height:1.6;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:32px;gap:16px;}
.topbar span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar i{color:#8FC7B8;font-size:12px;}

/* ---------- 导航 ---------- */
.nav-wrap{background:var(--pg-surface);border-bottom:1px solid var(--pg-line);transition:box-shadow .22s ease;}
.site-header.scrolled .nav-wrap{box-shadow:0 8px 24px -16px rgba(22,33,30,.35);}
.nav-grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  gap:16px;
}
.nav-side{display:flex;align-items:center;gap:26px;}
.nav-side.right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--pg-ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--pg-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--pg-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--pg-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:19px;
  color:var(--pg-ink);
  letter-spacing:.02em;
}
.brand:hover{color:var(--pg-ink);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--pg-primary);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
}
.brand-text{white-space:nowrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--pg-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--pg-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:transparent;border-color:var(--pg-primary);color:var(--pg-primary);}
.btn-outline:hover{background:var(--pg-primary-100);color:var(--pg-primary-600);transform:translateY(-1px);}
.btn-accent{background:var(--pg-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#C3652F;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
.btn-lg{padding:14px 28px;font-size:16px;}
.btn-ghost-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 移动端导航 ---------- */
.mobile-bar{display:none;}
.mobile-panel{
  display:none;
  position:fixed;
  inset:0;
  background:var(--pg-surface);
  z-index:300;
  flex-direction:column;
  padding:20px 20px 28px;
  overflow-y:auto;
}
.mobile-panel.open{display:flex;}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.mobile-group-title{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--pg-muted);
  text-transform:uppercase;
  margin:18px 0 6px;
}
.mobile-panel a.m-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:48px;
  border-bottom:1px solid var(--pg-line);
  color:var(--pg-ink);
  font-size:16px;
  font-weight:500;
}
.mobile-panel a.m-link.active{color:var(--pg-primary);font-weight:600;}
.mobile-panel .m-cta{margin-top:auto;padding-top:22px;}
.mobile-panel .m-cta .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(120deg,rgba(11,90,75,.94) 0%,rgba(15,110,92,.86) 52%,rgba(22,33,30,.78) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.5;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
  padding:72px 0 76px;
}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{margin:0 8px;opacity:.6;}
.breadcrumb .current{color:#fff;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.35);
  font-size:13px;
  color:#F3F7F5;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.01em;
  margin-bottom:16px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.9);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  border-top:1px solid rgba(255,255,255,.25);
  padding-top:22px;
}
.hero-stat .num{
  font-size:24px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:#fff;
  letter-spacing:.01em;
}
.hero-stat .num small{font-size:13px;font-weight:500;margin-left:2px;color:rgba(255,255,255,.8);}
.hero-stat .lab{font-size:13px;color:rgba(255,255,255,.75);margin-top:2px;}

.hero-card{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-3);
  padding:26px 24px;
  color:var(--pg-ink);
}
.hero-card h2{font-size:18px;font-weight:600;margin-bottom:6px;}
.hero-card .hc-sub{font-size:13px;color:var(--pg-muted);margin-bottom:18px;}
.hc-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--pg-line);
  font-size:14px;
  color:var(--pg-ink-2);
  line-height:1.7;
}
.hc-list li:last-child{border-bottom:0;padding-bottom:0;}
.hc-list i{color:var(--pg-primary);margin-top:5px;font-size:13px;}
.hc-foot{
  margin-top:18px;
  padding:12px 14px;
  border-radius:var(--r-md);
  background:var(--pg-accent-100);
  color:#8A4A1F;
  font-size:13px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.hc-foot i{margin-top:3px;color:var(--pg-accent);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section.alt{background:var(--pg-surface);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--pg-primary);
  font-weight:600;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--pg-primary);border-radius:2px;}
.section-title{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  font-weight:600;
  margin-bottom:14px;
}
.section-desc{font-size:16px;color:var(--pg-ink-2);line-height:1.9;}
.section-head.center .section-desc{margin:0 auto;}

/* ---------- 服务保障条 ---------- */
.assure-strip{
  background:var(--pg-surface);
  border-bottom:1px solid var(--pg-line);
}
.assure-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  padding:34px 0;
}
.assure-item{
  display:flex;
  gap:14px;
  padding:0 26px;
  border-left:1px solid var(--pg-line);
}
.assure-item:first-child{border-left:0;padding-left:0;}
.assure-item:last-child{padding-right:0;}
.assure-item i{
  font-size:20px;
  color:var(--pg-primary);
  margin-top:4px;
}
.assure-item h3{font-size:15px;font-weight:600;margin-bottom:4px;}
.assure-item p{font-size:13px;color:var(--pg-muted);line-height:1.7;}

/* ---------- 问答 + 表单 ---------- */
.support-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.faq-list{border-top:1px solid var(--pg-line);}
.faq-item{border-bottom:1px solid var(--pg-line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:22px 0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--pg-ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--pg-primary);}
.faq-item.open .faq-q{color:var(--pg-primary);}
.faq-icon{
  position:relative;
  flex:0 0 22px;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:6px;
  border:1px solid var(--pg-line);
  background:var(--pg-bg);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--pg-primary);
  transform:translate(-50%,-50%);
  transition:opacity .2s ease,transform .2s ease;
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;}
.faq-item.open .faq-icon{background:var(--pg-primary-100);border-color:rgba(15,110,92,.35);}
.faq-item.open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  opacity:0;
  transition:max-height .28s ease,opacity .22s ease;
}
.faq-item.open .faq-a{opacity:1;}
.faq-a-inner{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--pg-ink-2);max-width:720px;}
.faq-a-inner p+p{margin-top:12px;}
.faq-a-inner ul{margin-top:12px;}
.faq-a-inner ul li{
  position:relative;
  padding-left:18px;
  margin-bottom:8px;
}
.faq-a-inner ul li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  background:var(--pg-primary);
  border-radius:1px;
}

/* ---------- 咨询表单卡 ---------- */
.form-card{
  position:sticky;
  top:108px;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:28px 26px;
}
.form-card .fc-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:6px;
}
.form-card .fc-head i{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--pg-primary-100);
  color:var(--pg-primary);
  font-size:16px;
}
.form-card h2{font-size:19px;font-weight:600;}
.form-card .fc-sub{font-size:13px;color:var(--pg-muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--pg-ink-2);
  margin-bottom:7px;
}
.field label .req{color:var(--pg-accent);margin-left:3px;}
.field input,
.field select,
.field textarea{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-md);
  border:1px solid var(--pg-line);
  background:#FCFBF8;
  font-size:15px;
  color:var(--pg-ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{
  height:auto;
  min-height:104px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--pg-ink-2) 50%),linear-gradient(135deg,var(--pg-ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--pg-primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(15,110,92,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B1AE;}
.form-card .btn{width:100%;}
.form-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--pg-muted);
  display:flex;
  gap:8px;
  align-items:flex-start;
}
.form-note i{margin-top:4px;color:var(--pg-primary);}
.form-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--pg-line);}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--pg-primary-100);
  color:var(--pg-primary-600);
  font-size:12px;
  letter-spacing:.02em;
}
.tag.orange{background:var(--pg-accent-100);color:#8A4A1F;}

/* ---------- 安全机制 ---------- */
.mech-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
}
.mech-card{
  grid-column:span 4;
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-md);
  padding:26px 24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mech-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,110,92,.3);}
.num-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:9px;
  border:1px solid rgba(15,110,92,.35);
  color:var(--pg-primary);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
  background:var(--pg-primary-100);
}
.mech-card h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.mech-card p{font-size:14.5px;color:var(--pg-ink-2);line-height:1.85;}
.mech-card ul{margin-top:14px;}
.mech-card ul li{
  font-size:14px;
  color:var(--pg-ink-2);
  padding-left:18px;
  position:relative;
  margin-bottom:7px;
}
.mech-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:6px;height:6px;
  background:var(--pg-primary);
  border-radius:1px;
}
.mech-card.wide{grid-column:span 8;display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center;padding:0;overflow:hidden;}
.mech-card.wide .mw-body{padding:30px 0 30px 30px;}
.mech-card.wide .mw-media{height:100%;min-height:260px;background:var(--pg-primary-100);}
.mech-card.wide .mw-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 支持渠道 ---------- */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.channel-card{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  display:flex;
  flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(15,110,92,.3);}
.channel-card .cc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.channel-card .cc-icon{
  width:44px;height:44px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--pg-primary-100);
  color:var(--pg-primary);
  font-size:18px;
}
.channel-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.channel-card p{font-size:14.5px;color:var(--pg-ink-2);line-height:1.85;}
.channel-meta{
  margin-top:20px;
  padding-top:18px;
  border-top:1px dashed var(--pg-line);
  display:flex;
  gap:24px;
}
.channel-meta .cm-item .cm-num{
  font-size:20px;
  font-weight:700;
  color:var(--pg-accent);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.channel-meta .cm-item .cm-lab{font-size:12.5px;color:var(--pg-muted);}

/* ---------- 风险提示条 ---------- */
.risk-band{
  background:var(--pg-surface);
  border:1px solid var(--pg-line);
  border-radius:var(--r-lg);
  padding:36px 38px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
}
.risk-band .rb-body h2{
  font-size:clamp(22px,2.5vw,28px);
  font-weight:600;
  line-height:1.35;
  margin-bottom:12px;
}
.risk-list li{
  display:flex;
  gap:12px;
  padding:11px 0;
  border-bottom:1px dashed var(--pg-line);
  font-size:14.5px;
  color:var(--pg-ink-2);
  line-height:1.75;
}
.risk-list li:last-child{border-bottom:0;}
.risk-list i{color:var(--pg-accent);margin-top:5px;font-size:14px;}
.risk-media{
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--pg-primary-100);
}
.risk-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--pg-primary);
  color:#fff;
  border-radius:var(--r-lg);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;top:-40px;
  width:220px;height:220px;
  border-radius:50%;
  background:rgba(255,255,255,.07);
}
.cta-band .cta-body{position:relative;z-index:2;max-width:620px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;margin-bottom:10px;}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.88);line-height:1.85;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-accent{background:var(--pg-accent);}
.cta-band .btn-accent:hover{background:#C3652F;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--pg-ink);color:#D9D5CB;padding:64px 0 0;margin-top:var(--sec);}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:700;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:var(--pg-primary);}
.footer-col p{font-size:14px;line-height:1.9;color:#A9AEA8;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:#B9BEB7;transition:color .18s ease;}
.footer-col ul li a:hover{color:#7FD1BB;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:rgba(255,255,255,.08);
  color:#D9D5CB;
  font-size:15px;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:var(--pg-primary);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:#8E948D;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sec:84px;}
  .nav-side{gap:20px;}
  .nav-link{font-size:14px;}
}
@media (max-width:1023px){
  :root{--sec:72px;}
  .site-header{position:sticky;top:0;}
  .topbar{display:none;}
  .nav-wrap{display:none;}
  .mobile-bar{
    display:grid;
    grid-template-columns:44px 1fr auto;
    align-items:center;
    height:64px;
    background:var(--pg-surface);
    border-bottom:1px solid var(--pg-line);
    padding:0 16px;
    gap:8px;
  }
  .mobile-bar .mb-toggle{
    width:44px;height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:18px;
    color:var(--pg-ink);
    border-radius:10px;
  }
  .mobile-bar .mb-toggle:hover{background:var(--pg-primary-100);color:var(--pg-primary);}
  .mobile-bar .brand{justify-self:center;font-size:17px;}
  .mobile-bar .btn{padding:8px 14px;font-size:13px;border-radius:9px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:52px 0 56px;}
  .hero-sub{max-width:none;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item{border-left:0;padding:18px 0;}
  .assure-item:nth-child(2n){padding-left:24px;border-left:1px solid var(--pg-line);}
  .support-grid{grid-template-columns:1fr;gap:32px;}
  .form-card{position:static;}
  .mech-card{grid-column:span 6;}
  .mech-card.wide{grid-column:span 12;grid-template-columns:1fr;}
  .mech-card.wide .mw-body{padding:26px 24px 0;}
  .mech-card.wide .mw-media{min-height:220px;margin-top:20px;}
  .channel-grid{grid-template-columns:1fr;}
  .risk-band{grid-template-columns:1fr;padding:30px 26px;}
  .risk-media{order:-1;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:60px;}
  .container,.container-wide{padding:0 16px;}
  body{font-size:15px;}
  .hero-inner{padding:44px 0 48px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .hero-stat:nth-child(3){grid-column:span 2;}
  .hero-actions .btn{flex:1 1 100%;}
  .mech-card{grid-column:span 12;}
  .channel-meta{gap:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .assure-grid{grid-template-columns:1fr;}
  .assure-item:nth-child(2n){padding-left:0;border-left:0;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .hero-stat:nth-child(3){grid-column:span 1;}
  .form-card{padding:22px 18px;}
  .faq-q{font-size:15px;}
}