/* roulang page: index */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#127A61;
  --c-primary-400:#2FA98A;
  --c-accent:#F2A03D;
  --c-accent-soft:#FFEBD2;
  --c-ink:#14201C;
  --c-ink-2:#4A5A55;
  --c-line:#E4E9E6;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F6F3;
  --c-deep:#0B3A2F;
  --grad-brand:linear-gradient(135deg,#0B4A3B 0%,#1E8F72 58%,#2FA98A 100%);
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 8px 24px -12px rgba(14,92,74,.18);
  --sh-3:0 24px 60px -24px rgba(14,92,74,.28);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-sm:12px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,"DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:700;color:var(--c-ink);}
h1{font-size:52px;font-weight:800;}
h2{font-size:34px;}
h3{font-size:21px;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:100px 0;}
.section-tight{padding:76px 0;}
.section-soft{background:var(--c-surface-2);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-surface-2);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.16);color:#fff;}
.section-head h2{margin-bottom:16px;position:relative;padding-top:18px;}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:44px;height:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{color:var(--c-ink-2);font-size:16px;line-height:1.85;}
.muted{color:var(--c-ink-2);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:14px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{background:#0B4A3B;}
.btn-light{background:#fff;color:var(--c-primary);box-shadow:var(--sh-2);}
.btn-light:hover{background:#F2FAF7;transform:translateY(-1px);}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06);}
.btn-outline-light:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink-2);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-surface-2);transform:translateY(-1px);}
.btn-lg{min-height:52px;padding:0 28px;font-size:16px;}
.btn-block{width:100%;}
.btn[disabled]{background:#C9D2CE;color:#8C9894;cursor:not-allowed;border-color:#C9D2CE;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--c-primary);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;background:var(--c-primary);
  transition:width .18s ease-out,left .18s ease-out;
}
.link-arrow:hover::after{width:100%;left:0;}
.link-arrow span{transition:transform .18s ease-out;}
.link-arrow:hover span{transform:translateX(4px);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--c-primary);letter-spacing:0;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;}
.nav-links{display:flex;align-items:center;gap:6px;padding-left:18px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .18s ease-out,background-color .18s ease-out;
}
.nav-link::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#CFD8D4;
  transition:background-color .18s ease-out;flex:0 0 auto;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-surface-2);}
.nav-link:hover::before{background:var(--c-primary-400);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;background:var(--c-surface-2);}
.nav-link.is-active::before{background:var(--c-primary);}
.nav-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;padding-left:24px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease-out,opacity .2s ease-out;}
.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);}
.mobile-panel{
  position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;z-index:55;
  padding:24px;overflow-y:auto;
  transform:translateX(102%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;gap:10px;
  border-top:1px solid var(--c-line);
}
.mobile-panel.is-open{transform:translateX(0);}
.mobile-panel .panel-note{font-size:13px;color:var(--c-ink-2);margin-bottom:6px;}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 16px;border-radius:14px;background:var(--c-surface-2);
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.mobile-link.is-active{color:var(--c-primary);background:#E6F2EE;}
.mobile-panel .btn{margin-top:14px;}

/* Hero */
.hero{
  position:relative;background:var(--grad-brand);color:#fff;overflow:hidden;
  padding:76px 0 104px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:52px 52px;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:56px;
  background:linear-gradient(180deg,rgba(250,248,244,0) 0%,rgba(250,248,244,.7) 62%,var(--c-bg) 100%);
  pointer-events:none;
}
.hero-glow{
  position:absolute;right:-60px;bottom:-80px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,160,61,.6) 0%,rgba(242,160,61,0) 62%);
  opacity:.06;pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;align-items:center;
}
.hero h1{color:#fff;margin:20px 0 20px;}
.hero-sub{color:rgba(255,255,255,.88);font-size:17px;line-height:1.85;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.stat-pill{
  min-width:142px;padding:14px 18px;border-radius:12px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
}
.stat-pill .stat-num{
  display:block;font-family:var(--font-num);font-weight:800;font-size:30px;line-height:1.1;color:#fff;
}
.stat-pill .stat-num em{font-style:normal;font-size:16px;font-weight:700;margin-left:2px;}
.stat-pill .stat-label{display:block;font-size:12.5px;color:rgba(255,255,255,.82);margin-top:6px;}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:rgba(255,255,255,.18);
  box-shadow:var(--sh-3);aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,58,47,0) 45%,rgba(11,58,47,.42) 100%);
}
.hero-media .media-note{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  color:#fff;font-size:13.5px;line-height:1.6;
}

/* 卡片家族 */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.card-emph{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-left:4px solid var(--c-primary);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.card-emph:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.card-num{
  display:inline-block;font-family:var(--font-num);font-weight:800;font-size:13px;
  color:var(--c-primary);background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:3px 12px;margin-bottom:16px;
}
.card-emph h3{margin-bottom:10px;}
.card-emph p{color:var(--c-ink-2);font-size:15.5px;line-height:1.8;}

/* 痛点区不对称栅格 */
.pain-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:start;}
.pain-col{display:flex;flex-direction:column;gap:24px;}
.pain-intro{padding-right:8px;}
.pain-intro h2{margin-bottom:16px;position:relative;padding-top:18px;}
.pain-intro h2::before{content:"";position:absolute;top:0;left:0;width:44px;height:4px;border-radius:2px;background:var(--c-primary);}
.pain-intro p{color:var(--c-ink-2);font-size:16px;line-height:1.85;margin-bottom:24px;}

/* 方案图文 */
.split-grid{display:flex;flex-direction:column;gap:80px;}
.split{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface-2);
  box-shadow:var(--sh-2);aspect-ratio:16/10;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.tag{
  display:inline-flex;align-items:center;font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-surface-2);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.split-body h3{margin-bottom:14px;}
.split-body p{color:var(--c-ink-2);font-size:16px;line-height:1.85;margin-bottom:20px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;}
.check-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--c-ink-2);line-height:1.8;}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:14px;height:2px;border-radius:2px;background:var(--c-primary-400);
}

/* 数据成果 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.stat-block{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-1);}
.stat-block .num{
  font-family:var(--font-num);font-weight:800;font-size:40px;line-height:1.1;color:var(--c-primary);
}
.stat-block .num em{font-style:normal;font-size:18px;font-weight:700;margin-left:2px;color:var(--c-primary-600);}
.stat-block .cap{font-size:14px;color:var(--c-ink-2);margin-top:10px;}
.bar{height:4px;border-radius:999px;background:#E4E9E6;margin-top:18px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#127A61 0%,#2FA98A 100%);}
.conclusion{margin-top:28px;font-size:14px;color:var(--c-ink-2);}

/* 证言 */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.voice-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh-2);
}
.voice-card.offset{margin-top:32px;}
.voice-card .quote{
  font-family:Georgia,serif;font-size:44px;line-height:1;color:rgba(14,92,74,.22);display:block;margin-bottom:10px;
}
.voice-card p{font-size:16px;line-height:1.85;color:var(--c-ink);}
.voice-meta{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--c-line);}
.voice-meta img{width:48px;height:48px;border-radius:50%;object-fit:cover;background:var(--c-surface-2);}
.voice-meta .name{font-size:15px;font-weight:600;}
.voice-meta .role{font-size:13px;color:var(--c-ink-2);}

/* 表单 */
.consult-wrap{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start;
}
.consult-wrap h2{margin-bottom:16px;position:relative;padding-top:18px;}
.consult-wrap h2::before{content:"";position:absolute;top:0;left:0;width:44px;height:4px;border-radius:2px;background:var(--c-primary);}
.consult-wrap .lead{color:var(--c-ink-2);font-size:16px;line-height:1.85;margin-bottom:24px;}
.consult-points{display:flex;flex-direction:column;gap:14px;}
.consult-points li{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:16px 18px;font-size:15px;color:var(--c-ink-2);box-shadow:var(--sh-1);
}
.consult-points li strong{color:var(--c-ink);font-weight:600;}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.field label{font-size:14px;font-weight:600;color:var(--c-ink);}
.field input,.field select,.field textarea{
  min-height:48px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-surface-2);padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .18s ease-out,background-color .18s ease-out;
}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 2px rgba(14,92,74,.14);
}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.form-note{font-size:13px;color:var(--c-ink-2);margin-top:14px;line-height:1.7;}
.form-success{
  margin-top:18px;padding:14px 16px;border-radius:var(--r-sm);
  background:var(--c-surface-2);border:1px solid var(--c-primary-400);color:var(--c-primary);
  font-size:14px;
}

/* CTA 大卡 */
.cta-card{
  position:relative;overflow:hidden;background:var(--grad-brand);color:#fff;
  border-radius:var(--r-xl);padding:64px;box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;right:-40px;top:-60px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,160,61,.6) 0%,rgba(242,160,61,0) 60%);opacity:.06;
}
.cta-card h2{color:#fff;margin-bottom:14px;max-width:640px;}
.cta-card p{color:rgba(255,255,255,.86);font-size:16px;line-height:1.85;max-width:620px;}
.cta-card .btn{margin-top:30px;}

/* 资讯列表 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.news-head h2{position:relative;padding-top:18px;}
.news-head h2::before{content:"";position:absolute;top:0;left:0;width:44px;height:4px;border-radius:2px;background:var(--c-primary);}
.news-head p{color:var(--c-ink-2);font-size:16px;margin-top:12px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.news-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:19px;line-height:1.5;}
.news-body h3 a{position:relative;}
.news-body h3 a::after{content:"";position:absolute;inset:0;}
.news-card:hover .news-body h3{color:var(--c-primary);}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:13px;font-weight:600;color:#fff;background:var(--c-primary-400);
  border-radius:999px;padding:4px 12px;
}
.badge-soft{background:var(--c-accent-soft);color:#8A5312;}
.news-body .clamp-2{color:var(--c-ink-2);font-size:15px;line-height:1.8;}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-2);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-md);padding:48px;text-align:center;
  background:rgba(255,255,255,.6);
}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:18px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  overflow:hidden;transition:background-color .18s ease-out,border-color .18s ease-out;
}
.faq-item[open]{background:var(--c-surface-2);border-color:#D5E3DD;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:64px;padding:18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;font-weight:600;color:var(--c-primary);
  background:#fff;border:1px solid var(--c-line);
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
.faq-item .faq-answer{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);border-left:3px solid transparent;}
.faq-item[open] .faq-answer{border-left-color:var(--c-accent);}

/* 页脚 */
.site-footer{background:var(--c-deep);color:#fff;padding:76px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand .brand-mark svg{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease-out;}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1280px){
  .container{padding:0 28px;}
  h1{font-size:44px;}
  .hero-grid{gap:40px;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);}
  .nav-links{padding-left:6px;}
  .nav-link{padding:0 10px;font-size:14.5px;}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  h1{font-size:40px;}
  h2{font-size:28px;}
  .section{padding:76px 0;}
  .nav-links{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:56px 0 84px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{aspect-ratio:16/9;}
  .pain-grid{grid-template-columns:1fr;gap:24px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .split-grid{gap:56px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .voice-grid{grid-template-columns:1fr;gap:24px;}
  .voice-card.offset{margin-top:0;}
  .consult-wrap{grid-template-columns:1fr;gap:36px;}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .cta-card{padding:48px 36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .news-head{flex-direction:column;align-items:flex-start;gap:18px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .nav-wrap{height:64px;}
  .mobile-panel{top:64px;}
  h1{font-size:32px;}
  h2{font-size:25px;}
  h3{font-size:18px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:44px 0 68px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:10px;}
  .stat-pill{min-width:calc(50% - 5px);flex:1 1 auto;padding:12px 14px;}
  .stat-pill .stat-num{font-size:26px;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .news-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .cta-card{padding:36px 24px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .brand{font-size:18px;}
  .nav-actions .btn-primary{padding:0 16px;font-size:14px;}
  .card,.card-emph{padding:22px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  h1{font-size:30px;}
  .section-head{margin-bottom:32px;}
  .nav-actions .btn-primary{display:none;}
  .voice-card{padding:22px;}
  .faq-item summary{font-size:16px;padding:16px;}
  .empty-state{padding:32px 20px;}
  .hero-media{aspect-ratio:16/9;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#127A61;
  --c-primary-400:#2FA98A;
  --c-accent:#F2A03D;
  --c-accent-soft:#FFEBD2;
  --c-ink:#14201C;
  --c-ink-2:#4A5A55;
  --c-line:#E4E9E6;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F6F3;
  --c-deep:#0B3A2F;
  --grad-brand:linear-gradient(135deg,#0B4A3B 0%,#1E8F72 58%,#2FA98A 100%);
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 8px 24px -12px rgba(14,92,74,.18);
  --sh-3:0 24px 60px -24px rgba(14,92,74,.28);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","DIN Alternate",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary-600);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:.01em;font-weight:700;color:var(--c-ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-sm{padding:76px 0}
.section-alt{background:var(--c-surface-2)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;line-height:1;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none;background:#0A4A3B}
.btn-outline{border-color:var(--c-line);color:var(--c-ink);background:#fff}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-accent-soft);color:var(--c-primary)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:15px;border-radius:var(--r-xs)}
.btn-block{width:100%}
.btn[disabled]{background:#C9D2CE;color:#8C9894;cursor:not-allowed;border-color:#C9D2CE}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.4;
}
.badge-jade{background:rgba(47,169,138,.14);color:#0E5C4A}
.badge-amber{background:var(--c-accent-soft);color:#8A5210}
.badge-solid{background:var(--c-primary-400);color:#fff}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);
}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;gap:32px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:0}
.brand:hover .brand-text{color:var(--c-primary)}
.nav-collapse{display:flex;align-items:center;justify-content:space-between;flex:1;gap:32px}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 14px;border-radius:var(--r-xs);
  font-size:16px;font-weight:500;color:var(--c-ink-2);
}
.nav-link::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--c-line);transition:background-color .18s ease-out;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-surface-2)}
.nav-link:hover::before{background:var(--c-primary-400)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::before{background:var(--c-accent)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-xs);
  border:1px solid var(--c-line);align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;width:20px;height:2px;background:var(--c-ink);border-radius:2px;display:block}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 内页小 Hero */
.page-hero{
  position:relative;overflow:hidden;
  min-height:320px;display:flex;align-items:center;
  background:var(--c-deep);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(9,62,50,.90) 0%,rgba(14,92,74,.78) 52%,rgba(47,169,138,.62) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:66px 0 60px;max-width:880px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb span{opacity:.5}
.breadcrumb em{font-style:normal;color:#fff;font-weight:600}
.page-hero h1{
  color:#fff;font-size:44px;font-weight:800;line-height:1.16;letter-spacing:0;
}
.page-hero-lead{
  margin-top:16px;max-width:660px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);
}
.page-hero-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

/* 两栏正文 */
.layout-3-9{
  display:grid;
  grid-template-columns:minmax(0,3fr) minmax(0,9fr);
  gap:32px;
  align-items:start;
}
.side-panel{position:sticky;top:96px;display:grid;gap:20px}
.panel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
}
.panel-card h2,.panel-card h3{font-size:17px;font-weight:700;margin-bottom:14px}
.anchor-list{display:grid;gap:10px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-xs);
  font-size:15px;color:var(--c-ink-2);background:var(--c-surface-2);
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.anchor-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary-400);flex-shrink:0;
}
.anchor-list a:hover{background:#E4F1EB;color:var(--c-primary);transform:translateX(3px)}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:10px;font-size:15px;line-height:1.7;color:var(--c-ink-2)}
.check-list li svg{width:18px;height:18px;flex-shrink:0;margin-top:4px;color:var(--c-primary-400)}
.panel-note{
  font-size:14px;color:var(--c-ink-2);line-height:1.7;
  padding-top:16px;border-top:1px dashed var(--c-line);
}

.content-stack{display:grid;gap:32px}
.content-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.content-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.content-card h2{font-size:26px;margin-bottom:14px}
.content-card p{color:var(--c-ink-2);line-height:1.85}
.content-card p+p{margin-top:14px}
.media-split{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);
  gap:28px;align-items:center;margin-top:24px;
}
.media-split figure{margin:0}
.media-split img{border-radius:var(--r-md);aspect-ratio:16/10;object-fit:cover;width:100%}
.media-split figcaption{font-size:13px;color:var(--c-ink-2);margin-top:10px;text-align:center}
.mini-points{display:grid;gap:14px;margin-top:6px}
.mini-points li{
  display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--c-ink-2);
}
.mini-points b{
  font-family:var(--font-num);font-weight:800;color:var(--c-primary-400);font-size:14px;
  flex-shrink:0;min-width:22px;
}
.callout{
  background:var(--c-surface-2);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-sm);
  padding:22px 24px;
  margin-top:22px;
}
.callout h3{font-size:17px;margin-bottom:10px}
.callout p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.inline-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}

/* 覆盖范围 */
.coverage-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:24px}
.coverage-item{
  background:var(--c-surface-2);
  border-radius:var(--r-md);
  padding:22px;
  border:1px solid transparent;
  transition:border-color .18s ease-out,background-color .18s ease-out;
}
.coverage-item:hover{border-color:var(--c-primary-400);background:#fff}
.coverage-item h3{font-size:17px;margin-bottom:8px}
.coverage-item p{font-size:15px;line-height:1.75;color:var(--c-ink-2)}
.coverage-item .idx{
  font-family:var(--font-num);font-size:13px;font-weight:800;
  color:var(--c-accent);letter-spacing:.04em;display:block;margin-bottom:8px;
}

/* 步骤条 */
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;margin-top:44px;position:relative;
}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:26px 22px;box-shadow:var(--sh-1);
}
.step::after{
  content:"";position:absolute;top:52px;right:-18px;width:12px;height:2px;
  background:var(--c-line);
}
.step:last-child::after{display:none}
.step-num{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:800;font-size:15px;
  background:rgba(47,169,138,.14);color:var(--c-primary);
  margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:15px;color:var(--c-ink-2);line-height:1.7}

/* 数据区 */
.stats-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:32px;margin-top:44px;
}
.stat{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:26px 22px}
.stat-num{
  font-family:var(--font-num);font-weight:800;font-size:40px;line-height:1;
  color:var(--c-primary);
}
.stat-unit{font-size:15px;font-weight:600;color:var(--c-primary-400);margin-left:4px}
.stat-desc{font-size:14px;color:var(--c-ink-2);margin-top:10px;line-height:1.6}
.bar{height:4px;border-radius:999px;background:var(--c-surface-2);margin-top:16px;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:var(--grad-brand)}
.stat-foot{margin-top:22px;font-size:14px;color:var(--c-ink-2)}

/* FAQ */
.faq-list{display:grid;gap:14px;margin-top:38px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item[open]{border-color:var(--c-primary-400);box-shadow:var(--sh-1);background:var(--c-surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  position:relative;width:22px;height:22px;flex-shrink:0;
  border-radius:50%;background:rgba(47,169,138,.16);
  transition:transform .18s ease-out,background-color .18s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--c-accent-soft)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.faq-item[open] .faq-answer{position:relative}
.faq-item[open] summary{position:relative}
.faq-item[open]::after{}

/* CTA 窄条 */
.cta-band{
  background:var(--grad-brand);
  border-radius:var(--r-xl);
  padding:48px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;box-shadow:var(--sh-3);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,160,61,.28) 0%,rgba(242,160,61,0) 70%);
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.86);font-size:16px;line-height:1.7;max-width:620px}
.cta-band .btn{position:relative;z-index:2}

/* 表单 */
.form-wrap{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:40px;align-items:start;
}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2)}
.field{display:grid;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,.field textarea,.field select{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--c-line);border-radius:var(--r-xs);
  background:var(--c-bg);font-size:15px;transition:border-color .18s ease-out,background-color .18s ease-out;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 2px rgba(14,92,74,.12);
}
.form-hint{font-size:13px;color:var(--c-ink-2);line-height:1.7}
.form-msg{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-xs);
  background:var(--c-surface-2);border-left:3px solid var(--c-primary);
  font-size:14px;color:var(--c-primary);
}
.form-msg.is-visible{display:block}
.contact-points{display:grid;gap:18px;margin-top:24px}
.contact-points li{display:flex;gap:12px;font-size:15px;color:var(--c-ink-2);line-height:1.75}
.contact-points svg{width:20px;height:20px;color:var(--c-primary-400);flex-shrink:0;margin-top:3px}

/* 内容卡 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:44px}
.card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px}
.card-body p{font-size:15px;color:var(--c-ink-2);line-height:1.75}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-2);padding-top:8px;border-top:1px solid var(--c-line);
}
.card-link{font-weight:600;color:var(--c-primary)}
.card-link::after{content:"→";margin-left:6px;transition:transform .18s ease-out;display:inline-block}
.card:hover .card-link::after{transform:translateX(4px)}
.card-cover .badge{position:absolute;left:14px;top:14px}

/* 页脚 */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:76px 0 0;margin-top:100px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:800;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.01em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14px;line-height:1.8;margin-bottom:10px;color:rgba(255,255,255,.72)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-contact .btn{margin-top:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1280px){
  .container{max-width:1120px}
  .layout-3-9{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step::after{display:none}
}
@media (max-width:1024px){
  .header-inner{min-height:66px}
  .nav-toggle{display:inline-flex}
  .nav-collapse{
    display:none;
    position:fixed;left:0;right:0;top:66px;bottom:0;
    background:#fff;padding:24px;flex-direction:column;align-items:stretch;
    justify-content:flex-start;gap:20px;overflow-y:auto;z-index:70;
  }
  body.nav-open .nav-collapse{display:flex}
  body.nav-open{overflow:hidden}
  .nav-links{flex-direction:column;align-items:stretch;gap:6px}
  .nav-link{min-height:52px;font-size:17px;border-bottom:1px solid var(--c-line);border-radius:0}
  .nav-link.is-active::after{display:none}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px}
  .nav-actions .btn{width:100%;min-height:48px}
  .page-hero h1{font-size:36px}
  .layout-3-9{grid-template-columns:1fr;gap:28px}
  .side-panel{position:static}
  .media-split{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;padding:40px 32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .section{padding:76px 0}
  .section-sm{padding:60px 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .page-hero{min-height:0}
  .page-hero-inner{padding:52px 0 48px}
  .page-hero h1{font-size:30px}
  .page-hero-lead{font-size:16px}
  .content-card{padding:24px}
  .content-card h2{font-size:22px}
  .coverage-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .card-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:24px}
  .faq-item summary{font-size:16px;padding:14px 20px}
  .faq-answer{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-desc{max-width:none}
  .site-footer{padding-top:56px;margin-top:76px}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
}
@media (max-width:480px){
  h1{font-size:30px}
  .brand-text{font-size:18px}
  .stat-num{font-size:32px}
  .btn{width:100%}
  .page-hero-actions{flex-direction:column}
  .card-meta{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: article */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#127A61;
  --c-primary-400:#2FA98A;
  --c-accent:#F2A03D;
  --c-accent-soft:#FFEBD2;
  --c-ink:#14201C;
  --c-ink-2:#4A5A55;
  --c-line:#E4E9E6;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F6F3;
  --c-deep:#0B3A2F;
  --grad-brand:linear-gradient(135deg,#0B4A3B 0%,#1E8F72 58%,#2FA98A 100%);
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 8px 24px -12px rgba(14,92,74,.18);
  --sh-3:0 24px 60px -24px rgba(14,92,74,.28);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-tight{padding:56px 0 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:34px;line-height:1.25;font-weight:700;color:var(--c-ink)}
.section-head p{margin-top:14px;font-size:16px;color:var(--c-ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:0;color:var(--c-ink);white-space:nowrap}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;flex:none}
.brand-mark svg{width:20px;height:20px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:var(--r-xs);font-size:15px;color:var(--c-ink-2);transition:background .16s ease,color .16s ease}
.nav-link::before{content:"";width:6px;height:6px;border-radius:50%;background:#CFD8D4;flex:none}
.nav-link:hover{background:var(--c-surface-2);color:var(--c-primary)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::before{background:var(--c-primary-400)}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--c-accent)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:32px}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-xs);cursor:pointer}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-panel-cta{display:none}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-sm);font-size:15px;font-weight:600;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:none;background:#0B4A3B}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#F4FBF8;transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#3B2506}
.btn-accent:hover{background:#E4902C;transform:translateY(-1px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn:disabled{background:#C9D2CE;color:#8C9894;border-color:#C9D2CE;cursor:not-allowed;transform:none}

/* 文章头 */
.article-hero{position:relative;padding:40px 0 56px;color:#fff;background-image:linear-gradient(115deg,rgba(11,58,47,.95) 0%,rgba(18,122,97,.87) 56%,rgba(47,169,138,.78) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.article-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:48px;background:linear-gradient(to bottom,rgba(250,248,244,0),var(--c-bg));pointer-events:none}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.75);margin-bottom:26px}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--c-accent);text-underline-offset:4px}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.62);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-badge{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);font-size:13px;font-weight:600}
.article-title{position:relative;z-index:1;margin:16px 0 18px;font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:800;max-width:900px}
.article-meta{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.78)}
.article-meta .dot{opacity:.5}
.article-hero.has-cover{background-image:linear-gradient(115deg,rgba(11,58,47,.95) 0%,rgba(18,122,97,.87) 56%,rgba(47,169,138,.78) 100%),url('/assets/images/backpic/back-2.png')}

/* 文章布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;padding-top:24px}
.article-main{min-width:0}
.entry{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:40px 44px;max-width:820px}
.entry>*:first-child{margin-top:0}
.entry p{font-size:17px;line-height:1.85;color:#22302B;margin:0 0 1.25em}
.entry h2{position:relative;font-size:26px;line-height:1.4;font-weight:700;margin:2.4em 0 .8em;padding-left:18px;color:var(--c-ink)}
.entry h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:28px;border-radius:2px;background:var(--c-primary)}
.entry h3{font-size:20px;line-height:1.5;font-weight:600;margin:1.9em 0 .65em;color:var(--c-ink)}
.entry a{color:var(--c-primary-600);text-decoration:underline;text-decoration-color:rgba(18,122,97,.35);text-underline-offset:4px}
.entry a:hover{text-decoration-color:var(--c-primary)}
.entry ul,.entry ol{margin:0 0 1.4em;padding-left:2px}
.entry ul li,.entry ol li{position:relative;font-size:16.5px;line-height:1.8;color:#22302B;padding-left:22px;margin-bottom:10px}
.entry ul li::before{content:"";position:absolute;left:2px;top:.75em;width:8px;height:2px;border-radius:2px;background:var(--c-primary-400)}
.entry ol{counter-reset:li}
.entry ol li::before{counter-increment:li;content:counter(li);position:absolute;left:0;top:0;font-size:14px;font-weight:600;color:var(--c-primary-400)}
.entry ol li{padding-left:26px}
.entry blockquote{margin:0 0 1.5em;padding:20px 22px;border-left:3px solid var(--c-primary-400);background:var(--c-surface-2);border-radius:0 var(--r-xs) var(--r-xs) 0;color:var(--c-ink-2)}
.entry blockquote p:last-child{margin-bottom:0}
.entry img{border-radius:16px;margin:1.6em auto;max-width:100%}
.entry figure{margin:1.6em 0}
.entry figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px}
.entry table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--c-line);border-radius:var(--r-xs);overflow:hidden}
.entry thead th{background:var(--c-primary);color:#fff;font-weight:600;text-align:left;padding:12px 16px}
.entry tbody td{padding:12px 16px;border-top:1px solid var(--c-line);line-height:48px;line-height:1.7}
.entry tbody tr:nth-child(even){background:var(--c-surface-2)}
.entry pre,.entry code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace}
.entry pre{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-xs);padding:16px 18px;overflow:auto;font-size:14px;line-height:1.7;margin:0 0 1.5em}
.entry code{background:var(--c-surface-2);border-radius:6px;padding:2px 6px;font-size:.92em}

/* 空态 */
.empty-state{border:1px dashed var(--c-line);border-radius:var(--r-md);padding:48px 24px;text-align:center}
.empty-state p{font-size:17px;color:var(--c-ink-2);margin-bottom:18px}

/* 标签条 */
.tag-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px}
.tag-bar .tag-label{font-size:14px;color:var(--c-ink-2)}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;background:var(--c-surface-2);border:1px solid var(--c-line);font-size:13px;color:var(--c-primary);transition:background .16s ease,border-color .16s ease}
.tag:hover{background:var(--c-accent-soft);border-color:#F6D6AC}

/* 侧栏 */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:24px}
.side-title{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.toc-list li{margin-bottom:4px}
.toc-link{display:block;font-size:14px;line-height:1.6;color:var(--c-ink-2);padding:7px 10px;border-radius:10px;transition:background .16s ease,color .16s ease}
.toc-link:hover{background:var(--c-surface-2);color:var(--c-primary)}
.toc-link.is-sub{padding-left:22px;font-size:13.5px}
.toc-link.is-current{background:var(--c-surface-2);color:var(--c-primary);font-weight:600}
.side-links li+li{margin-top:10px}
.side-links a{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--c-ink-2);transition:color .16s ease}
.side-links a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary-400);flex:none}
.side-links a:hover{color:var(--c-primary)}
.toc-mobile{display:none}

/* 卡片家族 */
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.entry-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{overflow:hidden;display:flex;flex-direction:column}
.entry-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.entry-card:hover .thumb img{transform:scale(1.03)}
.entry-card .body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px}
.entry-card h3{font-size:19px;line-height:1.4;font-weight:600}
.entry-card:hover h3{color:var(--c-primary)}
.entry-card p{font-size:15px;line-height:1.7;color:var(--c-ink-2)}
.entry-card .more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.entry-card:hover .more{gap:10px}

/* CTA 大卡 */
.cta-card{position:relative;overflow:hidden;border-radius:28px;padding:64px 56px;color:#fff;background:var(--grad-brand);box-shadow:var(--sh-3)}
.cta-card::after{content:"";position:absolute;right:-60px;bottom:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(242,160,61,.18),rgba(242,160,61,0) 68%)}
.cta-card h2{position:relative;z-index:1;font-size:32px;line-height:1.3;font-weight:700;max-width:640px}
.cta-card p{position:relative;z-index:1;margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* FAQ */
.faq-list{max-width:860px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid transparent;border-radius:var(--r-md);box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;transition:background .18s ease,box-shadow .18s ease}
.faq-item[open]{background:var(--c-surface-2);border-left-color:var(--c-accent);box-shadow:var(--sh-2)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:12px 24px;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";width:11px;height:11px;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(45deg);flex:none;transition:transform .18s ease;margin-right:4px}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* 页脚 */
.site-footer{background:var(--c-deep);color:#fff;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .16s ease}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px}
.footer-contact strong{color:#fff;font-weight:600}
.footer-contact .btn{margin-top:4px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;font-size:13px;color:rgba(255,255,255,.62)}

@media (max-width:1280px){
  .container{max-width:1120px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
}
@media (max-width:1024px){
  .section{padding:76px 0}
  .header-inner{height:64px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-links{position:fixed;top:64px;left:0;right:0;bottom:0;margin:0;padding:20px 24px 32px;flex-direction:column;align-items:stretch;gap:6px;background:#fff;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}
  .nav-links.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{height:52px;padding:0 16px;font-size:16px;justify-content:flex-start}
  .nav-link.is-active{background:var(--c-surface-2)}
  .nav-link.is-active::after{display:none}
  .nav-actions{margin-left:0}
  .nav-actions .btn-outline{display:none}
  .nav-panel-cta{display:inline-flex;margin-top:16px;width:100%}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{display:none;position:static}
  .toc-mobile{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);margin-bottom:20px;padding:6px 20px}
  .toc-mobile summary{min-height:56px;display:flex;align-items:center;font-size:15px;font-weight:600;cursor:pointer;list-style:none;color:var(--c-primary)}
  .toc-mobile summary::-webkit-details-marker{display:none}
  .toc-mobile summary::after{content:"";width:10px;height:10px;margin-left:auto;border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);transform:rotate(45deg);transition:transform .18s ease}
  .toc-mobile[open] summary::after{transform:rotate(-135deg)}
  .toc-mobile .toc-list{padding:4px 0 14px}
  .section-head h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .container{padding:0 20px}
  body{font-size:16px}
  .article-hero{padding:28px 0 48px}
  .breadcrumb .current{white-space:normal}
  .entry{padding:26px 20px;border-radius:var(--r-md)}
  .entry h2{font-size:22px;margin-top:2em}
  .entry h3{font-size:18px}
  .entry p{font-size:16px;line-height:1.8}
  .section-head h2{font-size:24px}
  .entry-cards{grid-template-columns:minmax(0,1fr)}
  .cta-card{padding:40px 24px;border-radius:22px}
  .cta-card h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
}
@media (max-width:480px){
  .brand{font-size:18px}
  .article-title{font-size:26px}
  .entry{padding:22px 16px}
  .entry-cards .body{padding:20px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E5C4A;
  --c-primary-600:#127A61;
  --c-primary-400:#2FA98A;
  --c-accent:#F2A03D;
  --c-accent-soft:#FFEBD2;
  --c-ink:#14201C;
  --c-ink-2:#4A5A55;
  --c-line:#E4E9E6;
  --c-bg:#FAF8F4;
  --c-surface:#FFFFFF;
  --c-surface-2:#F1F6F3;
  --c-deep:#0B3A2F;
  --grad-brand:linear-gradient(135deg,#0B4A3B 0%,#1E8F72 58%,#2FA98A 100%);
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 8px 24px -12px rgba(14,92,74,.18);
  --sh-3:0 24px 60px -24px rgba(14,92,74,.28);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--c-ink);
  font-size:20px;
  font-weight:700;
  letter-spacing:0;
  flex:none;
}
.brand:hover{color:var(--c-primary)}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--grad-brand);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
}
.brand-mark svg{width:18px;height:18px}
.brand-text{white-space:nowrap}

.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 14px;
  border-radius:10px;
  color:var(--c-ink-2);
  font-size:15px;
  font-weight:500;
  transition:color .18s ease-out,background .18s ease-out;
}
.nav-link::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:999px;
  background:var(--c-line);
  transition:background .18s ease-out;
  flex:none;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-surface-2)}
.nav-link:hover::before{background:var(--c-primary-400)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::before{background:var(--c-accent)}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-accent);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:20px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:14px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);color:#fff}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink-2)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-accent{background:var(--c-accent);color:#3A2200}
.btn-accent:hover{background:#E4912C;color:#3A2200;transform:translateY(-1px)}
.btn-block{width:100%}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  flex:none;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.mobile-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:20px 0 28px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .mobile-links{display:grid;gap:6px;margin-bottom:20px}
.mobile-panel .nav-link{
  padding:14px 8px;
  font-size:16px;
  border-radius:12px;
  min-height:44px;
}
.mobile-panel .nav-link::after{left:8px;right:8px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  color:#fff;
  background-image:linear-gradient(90deg,rgba(11,58,47,.9) 0%,rgba(14,92,74,.72) 52%,rgba(14,92,74,.52) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:auto -60px -60px auto;
  width:320px;
  height:320px;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:32px 32px;
  transform:rotate(8deg);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:56px;
  background:linear-gradient(180deg,rgba(250,248,244,0) 0%,rgba(250,248,244,.85) 62%,var(--c-bg) 100%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}

.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.78);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:#fff;font-weight:600}

.page-hero h1{
  font-size:52px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:0;
  margin-bottom:16px;
}
.page-hero .lead{
  max-width:640px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  margin-bottom:26px;
}
.hero-meta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.chip .dot{width:6px;height:6px;border-radius:999px;background:var(--c-accent);flex:none}

/* ---------- section basics ---------- */
.section{padding:100px 0}
.section.tight{padding:76px 0}
.section-head{max-width:820px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary-600);
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:999px;
  background:var(--c-accent);
}
.section h2{
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:0;
}
.section h2 .bar{
  display:block;
  width:56px;
  height:5px;
  border-radius:999px;
  background:var(--c-accent);
  margin-top:16px;
}
.section-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--c-ink-2);
  max-width:760px;
}

/* ---------- split feature ---------- */
.split{
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:56px;
  align-items:center;
}
.split.reverse{grid-template-columns:5fr 6fr}
.split.reverse .split-media{order:-1}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-3);
  background:var(--c-surface-2);
  aspect-ratio:4/3;
}
.split-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.split-body h3{
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:16px;
}
.split-body p{
  color:var(--c-ink-2);
  line-height:1.85;
  margin-bottom:20px;
}
.check-list{display:grid;gap:14px}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:16px;
  color:var(--c-ink);
  line-height:1.7;
}
.check-list li::before{
  content:"";
  width:20px;
  height:20px;
  border-radius:6px;
  background:var(--c-accent-soft);
  border:1px solid #F6D3A6;
  flex:none;
  margin-top:3px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E5C4A' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
  background-size:13px;
  background-repeat:no-repeat;
  background-position:center;
}
.stat-row{
  display:flex;
  gap:32px;
  flex-wrap:wrap;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid var(--c-line);
}
.stat-item strong{
  display:block;
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-size:32px;
  font-weight:800;
  color:var(--c-primary);
  line-height:1.1;
}
.stat-item span{
  font-size:13px;
  color:var(--c-ink-2);
}

/* ---------- compare table ---------- */
.table-scroll{
  overflow-x:auto;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  background:#fff;
  box-shadow:var(--sh-1);
}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15.5px;
}
table.compare caption{
  text-align:left;
  padding:24px 28px 6px;
  font-size:14px;
  color:var(--c-ink-2);
}
table.compare thead th{
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  text-align:left;
  padding:16px 28px;
  white-space:nowrap;
}
table.compare tbody td{
  padding:18px 28px;
  height:56px;
  border-top:1px solid var(--c-line);
  color:var(--c-ink-2);
  vertical-align:middle;
}
table.compare tbody tr:nth-child(even){background:var(--c-surface-2)}
table.compare tbody td:first-child{
  color:var(--c-ink);
  font-weight:600;
  white-space:nowrap;
}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--c-primary-400);
  color:#fff;
}
.tag-soft{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--c-surface-2);
  color:var(--c-ink-2);
  border:1px solid var(--c-line);
}

/* ---------- steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-card::after{
  content:"";
  position:absolute;
  top:50%;
  right:-24px;
  width:24px;
  height:2px;
  background:var(--c-line);
}
.step-card:last-child::after{display:none}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--c-surface-2);
  color:var(--c-primary);
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-size:16px;
  font-weight:800;
  margin-bottom:16px;
}
.step-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--c-ink-2);line-height:1.75}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-left:3px solid transparent;
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item[open]{
  background:var(--c-surface-2);
  border-left-color:var(--c-accent);
  box-shadow:var(--sh-1);
}
.faq-item summary{
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 24px;
  font-size:17px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  font-family:"Inter",system-ui,sans-serif;
  font-size:22px;
  line-height:1;
  color:var(--c-primary);
  transition:transform .18s ease-out;
  flex:none;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-ink-2);
}

/* ---------- cta band ---------- */
.cta-band{
  border-radius:28px;
  background:var(--grad-brand);
  color:#fff;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:var(--sh-3);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(242,160,61,.28) 0%,rgba(242,160,61,0) 70%);
  pointer-events:none;
}
.cta-band h2{
  font-size:30px;
  font-weight:700;
  line-height:1.3;
  margin-bottom:10px;
  position:relative;
}
.cta-band p{
  font-size:16px;
  color:rgba(255,255,255,.86);
  max-width:620px;
  position:relative;
}
.cta-band .btn{position:relative;flex:none}

/* ---------- consult form ---------- */
.consult{
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:48px;
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.consult-intro h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:16px}
.consult-intro p{color:var(--c-ink-2);line-height:1.8;margin-bottom:20px}
.consult-points{display:grid;gap:12px}
.consult-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.consult-points li::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:999px;
  background:var(--c-primary-400);
  flex:none;
  margin-top:9px;
}
.form-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field input,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:var(--c-bg);
  font-size:15px;
  transition:border-color .18s ease-out,background .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(14,92,74,.12);
}
.field .hint{font-size:13px;color:var(--c-ink-2)}
.form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--c-ink-2);
  line-height:1.7;
}
.form-status{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:12px;
  font-size:14px;
  background:var(--c-surface-2);
  border:1px solid var(--c-primary-400);
  color:var(--c-primary);
}
.form-status.is-visible{display:block}

/* ---------- content cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.content-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.content-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card-cover{
  aspect-ratio:16/9;
  background:var(--c-surface-2);
  overflow:hidden;
}
.card-cover img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;font-weight:600;line-height:1.45}
.card-body h3 a{color:var(--c-ink)}
.content-card:hover .card-body h3 a{color:var(--c-primary)}
.card-body p{font-size:15px;color:var(--c-ink-2);line-height:1.7}
.card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--c-ink-2);
  padding-top:12px;
  border-top:1px solid var(--c-line);
}
.card-link{
  color:var(--c-primary);
  font-weight:600;
}
.card-link::after{
  content:"";
  position:absolute;
  inset:0;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--c-primary-400);
  color:#fff;
  width:fit-content;
}
.empty-state{
  border:1px dashed var(--c-line);
  border-radius:var(--r-md);
  padding:48px 24px;
  text-align:center;
  color:var(--c-ink-2);
  background:#fff;
}
.empty-state p{margin-bottom:16px}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-deep);
  color:#fff;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:30px;height:30px}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .18s ease-out;
}
.footer-col ul a:hover{color:var(--c-accent)}
.footer-contact p{
  font-size:14px;
  color:rgba(255,255,255,.72);
  line-height:1.8;
  margin-bottom:8px;
}
.footer-contact .btn{margin-top:8px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;
  color:rgba(255,255,255,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1120px}
  .split{gap:40px}
  .page-hero h1{font-size:44px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links,.header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions{margin-left:auto;gap:10px}
  .section{padding:76px 0}
  .page-hero h1{font-size:40px}
  .page-hero .container{padding-top:56px;padding-bottom:56px}
  .split,.split.reverse{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:0}
  .split-media{aspect-ratio:16/9}
  .steps{grid-template-columns:1fr 1fr}
  .step-card::after{display:none}
  .card-grid{grid-template-columns:1fr 1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .consult{grid-template-columns:1fr;gap:32px;padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .header-inner{min-height:64px}
  .brand{font-size:18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section h2{font-size:24px}
  .page-hero{min-height:260px}
  .page-hero h1{font-size:30px}
  .page-hero .lead{font-size:16px}
  .steps{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .consult{padding:28px 20px}
  .cta-band{padding:32px 24px;border-radius:24px}
  .cta-band h2{font-size:24px}
  .cta-band .btn{width:100%}
  .split-body h3{font-size:21px}
  .stat-row{gap:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .btn.nav-cta-header{width:auto}
}
@media (max-width:520px){
  .brand-text{font-size:17px}
  .page-hero h1{font-size:28px}
  .stat-row{flex-direction:column;gap:18px}
  table.compare{min-width:640px}
}