/* roulang page: index */
:root{
  --brand:#1657A8;
  --brand-dark:#0F3E7D;
  --brand-light:#E8F1FB;
  --brand-line:#CDE0F5;
  --accent:#FF6A2B;
  --accent-dark:#E85A1D;
  --accent-light:#FFF1E9;
  --teal:#14A38B;
  --text:#16202C;
  --text-2:#5A6B7B;
  --text-3:#9AA7B4;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,58,110,.06);
  --sh-card:0 8px 24px rgba(16,58,110,.08);
  --sh-hover:0 14px 30px rgba(16,58,110,.14);
  --container:1200px;
  --gutter:24px;
  --font-head:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-head);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-family:var(--font-head);color:var(--text);font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border-radius:0;}
a{color:var(--brand);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input{font-family:inherit;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 顶部公告 ============ */
.topbar{
  background:var(--brand-dark);
  color:#fff;
  font-size:13.5px;
  line-height:1.6;
  min-height:38px;
  display:flex;
  align-items:center;
  position:relative;
  z-index:120;
}
.topbar .container{display:flex;align-items:center;gap:12px;justify-content:center;}
.topbar-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-pill);background:rgba(255,106,43,.92);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.4px;flex:0 0 auto;
}
.topbar p{color:rgba(255,255,255,.92);}
.topbar a{color:#fff;text-decoration:underline;text-underline-offset:3px;margin-left:4px;}
.topbar a:hover{color:#FFD9C6;}
.topbar-close{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;color:rgba(255,255,255,.75);
  display:grid;place-items:center;font-size:14px;transition:background-color .16s ease,color .16s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.14);color:#fff;}
.topbar.is-hidden{display:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:110;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-card);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:68px;
}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:14px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:grid;place-items:center;color:#fff;font-size:16px;
  box-shadow:0 4px 12px rgba(22,87,168,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text);}
.logo-text em{font-style:normal;font-size:10.5px;letter-spacing:3px;color:var(--text-2);margin-top:2px;}
.logo-light .logo-text strong{color:#fff;}
.logo-light .logo-text em{color:rgba(255,255,255,.62);}
.logo-light .logo-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--accent);transition:right .22s ease;border-radius:2px;
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{right:0;}
.main-nav a.is-active{color:var(--brand);font-weight:600;}
.main-nav a.is-active::after{right:0;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:186px;height:40px;padding:0 42px 0 15px;
  border:1px solid var(--border);border-radius:var(--r-pill);
  font-size:14px;color:var(--text);background:var(--bg);
  transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(22,87,168,.12);
}
.nav-search button{
  position:absolute;right:5px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;color:var(--text-2);font-size:13px;
  transition:background-color .16s ease,color .16s ease;
}
.nav-search button:hover{background:var(--brand-light);color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  align-items:center;justify-content:center;color:var(--brand);
  border:1px solid var(--border);background:#fff;font-size:17px;
  transition:background-color .16s ease,border-color .16s ease;
}
.nav-toggle:hover{background:var(--brand-light);border-color:var(--brand-line);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .12s ease,box-shadow .18s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(255,106,43,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(255,106,43,.3);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand-line);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-soft{background:var(--brand-light);color:var(--brand-dark);border-color:transparent;}
.btn-soft:hover{background:#D8E8F9;color:var(--brand-dark);transform:translateY(-1px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;
  border-radius:var(--r-pill);background:var(--brand-light);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.badge-teal{background:rgba(20,163,139,.12);color:#0E7A69;}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);flex:0 0 auto;}

/* ============ Hero ============ */
.hero{
  position:relative;background:#fff;overflow:hidden;
  padding:64px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(22,87,168,.07) 0 1px,transparent 1px 64px);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  gap:56px;align-items:center;min-height:600px;
}
.hero-copy{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--brand-light);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-eyebrow i{color:var(--accent);}
.hero h1{
  font-size:clamp(30px,3.4vw,46px);line-height:1.24;letter-spacing:-.4px;
  margin-bottom:20px;
}
.hero h1 span{color:var(--brand);}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--text-2);
  max-width:560px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-trust li{
  display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2);
}
.hero-trust i{color:var(--teal);font-size:13px;}
.hero-visual{position:relative;z-index:1;}
.hero-visual-bg{
  position:absolute;left:-24px;bottom:-24px;right:64px;top:56px;
  background:var(--brand-light);border-radius:18px;z-index:0;
}
.hero-visual img{
  position:relative;z-index:1;width:100%;height:420px;object-fit:cover;
  border-radius:16px;box-shadow:0 18px 44px rgba(16,58,110,.18);
}
.hero-chip{
  position:absolute;z-index:2;left:-14px;bottom:24px;
  background:#fff;border:1px solid var(--border);border-radius:12px;
  box-shadow:var(--sh-card);padding:14px 18px;display:flex;align-items:center;gap:14px;
}
.hero-chip .dot{
  width:9px;height:9px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 5px rgba(20,163,139,.14);flex:0 0 auto;
}
.hero-chip strong{display:block;font-size:15px;font-variant-numeric:tabular-nums;}
.hero-chip small{display:block;font-size:12px;color:var(--text-3);}

/* ============ 区块标题 ============ */
.section-head{max-width:760px;margin-bottom:52px;}
.section-head h2{
  font-size:clamp(24px,2.4vw,32px);line-height:1.35;
  padding-left:16px;position:relative;margin-bottom:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--accent);
}
.section-head p{font-size:16px;color:var(--text-2);line-height:1.85;}
.section-head.center{max-width:820px;margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}

/* ============ 痛点区 ============ */
.pain-section{background:#fff;}
.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 34px;}
.pain-item{
  display:flex;gap:20px;padding:26px 28px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--border);box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pain-item:nth-child(even){transform:translateY(30px);}
.pain-item:hover{border-color:var(--brand-line);box-shadow:var(--sh-hover);}
.pain-item:nth-child(odd):hover{transform:translateY(-3px);}
.pain-item:nth-child(even):hover{transform:translateY(27px);}
.pain-num{
  font-size:26px;font-weight:700;color:var(--brand-line);flex:0 0 auto;
  font-variant-numeric:tabular-nums;line-height:1.2;letter-spacing:-1px;
}
.pain-item h3{font-size:17px;margin-bottom:8px;}
.pain-item p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

/* ============ 方案区 ============ */
.solution-section{background:var(--bg);}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:44px 0;
}
.feature-row + .feature-row{border-top:1px solid var(--border);}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-copy{order:1;}
.feature-media{position:relative;}
.feature-media img{
  width:100%;height:330px;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-card);
}
.feature-media::after{
  content:"";position:absolute;width:88px;height:88px;border-radius:14px;
  border:2px solid var(--brand-line);right:-18px;bottom:-18px;z-index:-1;
}
.feature-copy .badge{margin-bottom:16px;}
.feature-copy h3{font-size:22px;margin-bottom:14px;line-height:1.4;}
.feature-copy p{font-size:15.5px;color:var(--text-2);line-height:1.85;margin-bottom:14px;}
.feature-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--brand);margin-top:6px;
}
.feature-link i{transition:transform .18s ease;font-size:13px;}
.feature-link:hover{color:var(--accent);}
.feature-link:hover i{transform:translateX(4px);}
.feature-points{margin-top:18px;display:grid;gap:10px;}
.feature-points li{
  display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.feature-points i{color:var(--teal);font-size:13px;margin-top:5px;flex:0 0 auto;}

/* ============ 数据区 ============ */
.stats-section{
  position:relative;background:var(--brand-light);overflow:hidden;
  padding:84px 0;
}
.stats-section::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(22,87,168,.08) 0 1px,transparent 1px 48px);
  opacity:.6;
}
.stats-grid{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.stat-value{
  font-size:40px;font-weight:700;line-height:1.1;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:-1px;display:flex;align-items:baseline;gap:4px;
}
.stat-value span{font-size:18px;font-weight:600;}
.stat-card h3{font-size:15px;margin:12px 0 8px;color:var(--text);}
.stat-card p{font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* ============ 资讯列表 ============ */
.news-section{background:#fff;}
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:44px;flex-wrap:wrap;
}
.news-head .section-head{margin-bottom:0;}
.news-filters{display:flex;flex-wrap:wrap;gap:10px;}
.news-filters a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--border);
  font-size:13.5px;color:var(--text-2);background:#fff;
  transition:background-color .16s ease,border-color .16s ease,color .16s ease;
}
.news-filters a:hover{background:var(--brand-light);border-color:var(--brand-line);color:var(--brand);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand-line);}
.news-thumb{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.news-card:hover .news-thumb img{transform:scale(1.045);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17px;line-height:1.5;font-weight:600;}
.news-title a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand);}
.news-summary{
  font-size:14px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--border);
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);
  flex-wrap:wrap;
}
.news-meta .more{margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:5px;}
.news-meta .more i{font-size:11px;transition:transform .18s ease;}
.news-card:hover .news-meta .more i{transform:translateX(3px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  background:var(--bg);border:1px dashed var(--brand-line);border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--brand-line);margin-bottom:16px;display:block;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:20px;}

/* ============ 证言 ============ */
.voice-section{background:var(--bg);}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.voice-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:30px 28px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:20px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.voice-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.voice-quote{
  font-size:15px;line-height:1.9;color:var(--text);position:relative;padding-top:26px;
}
.voice-quote::before{
  content:"\201C";position:absolute;left:0;top:-16px;font-size:46px;
  color:var(--brand-line);font-family:Georgia,serif;line-height:1;
}
.voice-person{display:flex;align-items:center;gap:14px;margin-top:auto;padding-top:18px;border-top:1px solid var(--border);}
.voice-avatar{
  width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-light);color:var(--brand);display:grid;place-items:center;
  font-size:16px;font-weight:700;border:1px solid var(--brand-line);
}
.voice-person strong{display:block;font-size:15px;}
.voice-person small{display:block;font-size:12.5px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-section{background:#fff;}
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:first-child{border-top:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-icon{
  margin-left:auto;width:26px;height:26px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-light);color:var(--brand);display:grid;place-items:center;
  font-size:12px;position:relative;transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.faq-item[open] .faq-icon{background:var(--accent);color:#fff;transform:rotate(180deg);}
.faq-answer{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:720px;}
.faq-answer code{
  background:var(--brand-light);color:var(--brand-dark);padding:2px 7px;border-radius:6px;
  font-size:13.5px;
}

/* ============ 底部 CTA ============ */
.cta-section{
  position:relative;background:var(--brand-light);overflow:hidden;padding:88px 0;
}
.cta-section::before{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(22,87,168,.14);right:-160px;top:-190px;
}
.cta-section::after{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,106,43,.18);right:-60px;top:-90px;
}
.cta-inner{position:relative;text-align:center;max-width:820px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,2.6vw,34px);line-height:1.4;margin-bottom:18px;}
.cta-inner p{font-size:16px;color:var(--text-2);line-height:1.85;margin-bottom:34px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1.1fr 1.1fr;
  gap:44px;padding-bottom:52px;
}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);margin-top:20px;max-width:360px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:20px;font-weight:600;letter-spacing:.3px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col li{font-size:14px;color:rgba(255,255,255,.68);line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.72);transition:color .16s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 抽屉导航 ============ */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:312px;max-width:86vw;
  background:#fff;z-index:200;transform:translateX(102%);
  transition:transform .26s ease;display:flex;flex-direction:column;
  box-shadow:-12px 0 36px rgba(16,58,110,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--border);height:60px;
}
.drawer-close{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:var(--text-2);border:1px solid var(--border);transition:background-color .16s ease,color .16s ease;
}
.drawer-close:hover{background:var(--brand-light);color:var(--brand);}
.drawer-nav{padding:18px 20px;display:grid;gap:4px;flex:1;overflow-y:auto;}
.drawer-nav a{
  padding:14px 14px;border-radius:10px;font-size:15.5px;font-weight:500;
  color:var(--text-2);transition:background-color .16s ease,color .16s ease;
}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand);font-weight:600;}
.drawer-foot{padding:18px 20px 24px;border-top:1px solid var(--border);display:grid;gap:12px;}
.drawer-foot p{font-size:12.5px;color:var(--text-3);text-align:center;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,62,125,.42);z-index:190;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 响应式 ============ */
@media screen and (max-width:1200px){
  .main-nav{gap:20px;}
  .main-nav a{font-size:14.5px;}
  .nav-search input{width:150px;}
}
@media screen and (max-width:1024px){
  body{font-size:16px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:48px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:0;}
  .hero-visual-bg{left:-14px;bottom:-16px;right:34px;top:36px;}
  .hero-visual img{height:300px;}
  .hero-chip{left:8px;bottom:12px;}
  .hero-sub{max-width:none;}
  .pain-list{grid-template-columns:1fr;gap:18px;}
  .pain-item:nth-child(even){transform:none;}
  .pain-item:nth-child(even):hover{transform:translateY(-3px);}
  .feature-row{grid-template-columns:1fr;gap:28px;padding:36px 0;}
  .feature-row.reverse .feature-media{order:1;}
  .feature-row.reverse .feature-copy{order:2;}
  .feature-media img{height:260px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:640px){
  :root{--gutter:18px;}
  body{font-size:16px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .topbar{font-size:12.5px;}
  .topbar .container{padding-right:44px;}
  .topbar-close{right:10px;}
  .header-inner{height:56px;}
  .logo-mark{width:34px;height:34px;border-radius:10px;font-size:14px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text em{font-size:9.5px;letter-spacing:2px;}
  .hero{padding:36px 0 52px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{flex-direction:column;gap:10px;}
  .hero-visual img{height:240px;}
  .hero-chip{padding:11px 14px;}
  .hero-chip strong{font-size:13.5px;}
  .section-head{margin-bottom:36px;}
  .section-head h2{font-size:22px;padding-left:14px;}
  .pain-item{padding:22px 20px;gap:16px;}
  .pain-num{font-size:22px;}
  .feature-media img{height:210px;}
  .feature-media::after{display:none;}
  .feature-copy h3{font-size:19px;}
  .stats-section{padding:56px 0;}
  .stats-grid{grid-template-columns:1fr;gap:16px;}
  .stat-value{font-size:34px;}
  .news-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:30px;}
  .news-grid{grid-template-columns:1fr;gap:18px;}
  .cta-section{padding:56px 0;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .site-footer{padding:52px 0 0;}
  .faq-item summary{font-size:15.5px;gap:12px;padding:18px 2px;}
}

/* roulang page: article */
:root{
  --blue:#1657A8;
  --blue-dark:#0F3E7D;
  --blue-light:#E8F1FB;
  --orange:#FF6A2B;
  --orange-soft:#FFF0E8;
  --teal:#14A38B;
  --text:#16202C;
  --text-2:#5A6B7B;
  --text-3:#9AA7B4;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E3EAF2;
  --line-hover:#CDE0F5;
  --danger:#D93A2B;
  --sh-1:0 1px 2px rgba(16,58,110,.06);
  --sh-2:0 8px 24px rgba(16,58,110,.08);
  --sh-3:0 12px 30px rgba(16,58,110,.14);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --font-title:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --wrap:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--blue-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-title);color:var(--text);font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;font-family:var(--font-title);
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background-color .12s ease,color .12s ease,border-color .12s ease,transform .12s ease,box-shadow .12s ease;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-primary:hover{background:#F25B1C;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.3);}
.btn-primary:active{transform:translateY(0);background:#E2521A;}
.btn-ghost{background:#fff;color:var(--blue);border-color:#C9DCF2;}
.btn-ghost:hover{background:var(--blue-light);color:var(--blue-dark);border-color:var(--blue);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:999px;background:var(--blue-light);color:var(--blue);
  font-size:13px;font-weight:600;line-height:1;font-family:var(--font-title);
}
.badge-orange{background:var(--orange-soft);color:#D4531B;}
.badge-teal{background:#E4F6F2;color:#0E8A76;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:var(--text-2);font-size:13px;transition:all .16s ease;
}
.tag:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-light);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.header-inner{
  display:flex;align-items:center;gap:28px;height:68px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-family:var(--font-title);font-size:17px;font-weight:700;color:var(--blue-dark);letter-spacing:.4px;}
.logo-text em{font-style:normal;font-size:11px;color:var(--text-2);letter-spacing:2px;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px;}
.main-nav a{
  position:relative;padding:8px 0;font-size:15px;font-weight:600;color:var(--text);
  font-family:var(--font-title);transition:color .16s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.main-nav a:hover{color:var(--blue);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--blue);}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:#F2F6FB;border:1px solid var(--line);border-radius:999px;transition:all .16s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,87,168,.1);}
.nav-search i{color:var(--text-3);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:140px;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--blue-dark);font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--blue);background:var(--blue-light);}

/* ---------- 抽屉导航 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,62,125,.42);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .24s ease;
  display:flex;flex-direction:column;padding:20px 20px 0;box-shadow:var(--sh-3);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);cursor:pointer;font-size:15px;
}
.drawer-close:hover{color:var(--blue);border-color:var(--blue);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:14px 12px;border-radius:10px;font-size:16px;font-weight:600;color:var(--text);
  font-family:var(--font-title);border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--blue-light);color:var(--blue-dark);}
.drawer-nav a.is-active{color:var(--blue);border-color:#C9DCF2;background:var(--blue-light);}
.drawer-foot{margin-top:auto;padding:18px 0 22px;display:flex;flex-direction:column;gap:10px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb i{font-size:10px;color:var(--text-3);}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:min(560px,70vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-section{padding:26px 0 88px;}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.layout-main{min-width:0;}
.article-head{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:30px 34px;margin-bottom:26px;
}
.article-head h1{
  font-size:clamp(24px,3.2vw,34px);line-height:1.4;margin:16px 0 18px;color:var(--text);
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--text-2);
  border-top:1px dashed var(--line);padding-top:16px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--blue);font-size:12px;}

.reader{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:38px clamp(20px,4.4vw,52px) 44px;
}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;color:#1E2A38;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(20px,2.2vw,24px);margin:2em 0 .8em;padding-left:14px;
  border-left:4px solid var(--orange);line-height:1.45;
}
.article-body h3{font-size:19px;margin:1.7em 0 .6em;font-weight:700;}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em;}
.article-body ul li{position:relative;margin-bottom:.55em;padding-left:2px;list-style:none;}
.article-body ul li::before{
  content:"";position:absolute;left:-16px;top:.68em;width:6px;height:6px;border-radius:50%;background:var(--blue);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.55em;}
.article-body ol li::marker{color:var(--blue);font-weight:600;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:var(--blue-light);
  border-left:4px solid var(--orange);border-radius:0 var(--r-img) var(--r-img) 0;
  color:#20364E;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;box-shadow:var(--sh-1);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--orange);}
.article-body strong{font-weight:700;color:#101A24;}
.article-body code{
  background:#F2F6FB;border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:.92em;
}
.article-body pre{
  background:#0F3E7D;color:#E6EFFA;border-radius:var(--r-img);padding:18px 20px;overflow-x:auto;
  font-size:14px;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;background:#fff;
}
.article-body th{
  background:var(--blue-light);color:var(--blue-dark);font-weight:600;
  text-align:left;padding:12px 14px;border:1px solid var(--line);
}
.article-body td{padding:12px 14px;border:1px solid var(--line);color:#263544;}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.4em 0;}

/* 空态 */
.empty-state{text-align:center;padding:52px 20px;max-width:520px;margin:0 auto;}
.empty-state i{font-size:38px;color:#B9CBE0;}
.empty-state h2{font-size:22px;margin:18px 0 10px;}
.empty-state p{color:var(--text-2);font-size:15.5px;margin-bottom:22px;}

/* ---------- 文章尾部 ---------- */
.article-foot{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 30px;margin-top:26px;
}
.foot-block+.foot-block{margin-top:22px;padding-top:22px;border-top:1px solid var(--line);}
.foot-title{
  font-size:14px;color:var(--text-2);font-family:var(--font-title);font-weight:600;
  margin-bottom:12px;display:flex;align-items:center;gap:8px;
}
.foot-title i{color:var(--orange);font-size:13px;}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.prev-next a{
  display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#FBFDFF;transition:all .16s ease;
}
.prev-next a:hover{border-color:var(--line-hover);background:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);}
.prev-next small{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px;}
.prev-next span{font-size:15px;font-weight:600;color:var(--text);font-family:var(--font-title);}
.prev-next a:hover span{color:var(--blue);}
.back-col{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 侧栏 ---------- */
.layout-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{
  font-size:15px;margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--orange);font-size:13px;}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);}
.toc-list a{
  display:block;padding:7px 0 7px 14px;font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;margin-left:-2px;
}
.toc-list a:hover{color:var(--blue);border-left-color:var(--blue);background:#F8FBFF;}
.hot-list li+li{border-top:1px solid var(--line);}
.hot-list a{display:block;padding:11px 0;font-size:14.5px;color:var(--text);line-height:1.6;}
.hot-list a:hover{color:var(--blue);}
.hot-list span{
  display:inline-block;width:20px;height:20px;line-height:20px;text-align:center;
  border-radius:6px;background:var(--blue-light);color:var(--blue);font-size:12px;
  font-weight:700;margin-right:8px;vertical-align:1px;font-variant-numeric:tabular-nums;
}
.hot-list li:nth-child(1) span{background:var(--orange);color:#fff;}
.side-cta{
  background:linear-gradient(160deg,var(--blue),var(--blue-dark));color:#fff;border:0;
}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:#FFB48C;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.75;margin-bottom:16px;}
.side-cta .btn-primary{box-shadow:none;}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 88px;}
.section-head{margin-bottom:30px;max-width:720px;}
.section-head h2{font-size:clamp(21px,2.4vw,27px);position:relative;padding-left:14px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--orange);
}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-hover);}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--blue-light);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;
}
.news-meta .more{margin-left:auto;color:var(--blue);font-weight:600;}
.news-meta .more:hover{color:var(--orange);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(150deg,#EAF3FC 0%,#F7FAFE 60%,#FFF3EC 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-text h2{font-size:clamp(21px,2.4vw,27px);margin-bottom:12px;}
.cta-text p{color:var(--text-2);font-size:16px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--blue-dark);color:#fff;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.1fr;gap:38px;
}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.62);}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);}
.footer-brand p{
  margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.76);max-width:340px;
}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--font-title);
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li,.footer-col a{font-size:14px;color:rgba(255,255,255,.74);line-height:1.7;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.16);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.logo-light{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr) 292px;gap:32px;}
}
@media (max-width:1024px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;gap:16px;}
  .layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .layout-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .article-section{padding-bottom:72px;}
  .related{padding-bottom:72px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .header-inner{height:56px;}
  .logo-text strong{font-size:16px;}
  .article-head{padding:24px 20px;}
  .reader{padding:26px 18px 32px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-foot{padding:22px 20px;}
  .prev-next{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .arrowdown{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --primary:#1657A8;
  --primary-dark:#0F3E7D;
  --primary-light:#E8F1FB;
  --accent:#FF6A2B;
  --accent-dark:#E85B1F;
  --accent-bright:#FF8B57;
  --accent-light:#FFF0E8;
  --teal:#14A38B;
  --text:#16202C;
  --text-sub:#5A6B7B;
  --text-mute:#9AA7B4;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --border-strong:#CDE0F5;
  --danger:#D93A2B;
  --shadow-sm:0 1px 2px rgba(16,58,110,.06);
  --shadow-card:0 8px 24px rgba(16,58,110,.08);
  --shadow-hover:0 12px 30px rgba(16,58,110,.14);
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --container:1200px;
  --gutter:24px;
  --sec-y:88px;
  --font-head:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:136px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-head);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .15s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;font-family:var(--font-head);font-weight:700;color:var(--text);line-height:1.35;}
h1{font-size:clamp(30px,4.2vw,44px);line-height:1.24;}
h2{font-size:clamp(23px,2.8vw,32px);}
h3{font-size:18px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
::selection{background:rgba(255,106,43,.22);}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--gutter);
}
.grid-x{max-width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,58,110,.09);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:var(--primary);
  color:#fff;
  display:grid;place-items:center;
  font-size:17px;
  box-shadow:0 4px 12px rgba(22,87,168,.24);
}
.logo-text strong{
  display:block;
  font-size:17px;
  font-weight:700;
  letter-spacing:.6px;
  line-height:1.2;
  color:var(--text);
}
.logo-text em{
  display:block;
  font-style:normal;
  font-size:11.5px;
  letter-spacing:2.4px;
  color:var(--text-sub);
  line-height:1.4;
}
.main-nav{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;
  padding:6px 0;
  font-size:15.5px;
  font-weight:500;
  color:var(--text);
}
.main-nav a:hover{color:var(--primary);}
.main-nav a.is-active{color:var(--primary);font-weight:600;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:var(--bg);
  transition:border-color .15s ease,background-color .15s ease,box-shadow .15s ease;
}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(22,87,168,.12);}
.search-box i{font-size:13px;color:var(--text-mute);}
.search-box input{
  width:148px;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  color:var(--text);
}
.search-box input::placeholder{color:var(--text-mute);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.nav-toggle:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .18s ease,opacity .18s 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-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:background-color .12s ease,color .12s ease,border-color .12s ease,box-shadow .12s ease,transform .12s ease;
}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.3);}
.btn-primary:active{background:#D2511A;transform:translateY(0);box-shadow:0 4px 12px rgba(255,106,43,.24);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--border-strong);}
.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 抽屉导航 ============ */
.drawer{
  position:fixed;
  top:0;right:0;
  z-index:120;
  width:min(320px,86vw);
  height:100%;
  padding:20px;
  background:#fff;
  box-shadow:-10px 0 30px rgba(16,58,110,.16);
  transform:translateX(102%);
  transition:transform .22s ease;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:10px;
  color:var(--text-sub);
  font-size:16px;
  transition:border-color .15s ease,color .15s ease;
}
.drawer-close:hover{border-color:var(--border-strong);color:var(--primary);}
.drawer-nav{display:grid;gap:8px;margin-top:26px;}
.drawer-nav a{
  padding:14px 14px;
  border-radius:10px;
  background:var(--bg);
  color:var(--text);
  font-size:15.5px;
  font-weight:500;
}
.drawer-nav a:hover{background:var(--primary-light);color:var(--primary-dark);}
.drawer-nav a.is-active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.drawer-cta{margin-top:26px;}
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(15,62,125,.36);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ============ 压缩 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--primary-light);
  padding:60px 0 68px;
  min-height:340px;
  display:flex;
  align-items:center;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(22,87,168,.08) 0 1px,transparent 1px 46px);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-90px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(22,87,168,.12);
  box-shadow:0 0 0 40px rgba(22,87,168,.035);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-sub);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span[aria-current]{color:var(--primary);font-weight:600;}
.page-hero h1{max-width:840px;}
.hero-lead{
  max-width:760px;
  margin-top:16px;
  font-size:17px;
  color:var(--text-sub);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

/* ============ 粘性二级锚点 ============ */
.subnav{
  position:sticky;
  top:68px;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
}
.subnav-inner{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.subnav-inner::-webkit-scrollbar{display:none;}
.subnav a{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:var(--bg);
  color:var(--text-sub);
  font-size:14.5px;
  font-weight:500;
  transition:background-color .15s ease,color .15s ease;
}
.subnav a:hover{background:var(--primary-light);color:var(--primary);}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-y) 0;}
.section-white{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:800px;margin-bottom:46px;}
.section-title{position:relative;padding-left:16px;}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.2em;
  width:4px;
  height:.84em;
  border-radius:2px;
  background:var(--accent);
}
.section-lead{margin-top:14px;font-size:17px;color:var(--text-sub);}

/* ============ 左右交错图文 ============ */
.split-row{align-items:center;row-gap:34px;}
.media-col{position:relative;}
.media-col::before{
  content:"";
  position:absolute;
  inset:26px -18px -18px 26px;
  border-radius:16px;
  background:var(--primary-light);
  z-index:0;
}
.media-frame{
  position:relative;
  z-index:1;
  overflow:hidden;
  border-radius:var(--r-img);
  background:var(--primary-light);
  box-shadow:var(--shadow-card);
  aspect-ratio:16 / 10;
}
.media-frame img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.split-row:hover .media-frame img{transform:scale(1.02);}
.copy-col h2{margin-bottom:18px;}
.copy-col p{color:var(--text-sub);}
.copy-col p + p{margin-top:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:20px;
  font-weight:600;
  font-size:15.5px;
  color:var(--primary);
}
.link-arrow i{font-size:12px;transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent-dark);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--primary-light);
  color:var(--primary);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.4px;
}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.copy-col .badge{margin-bottom:16px;}

/* ============ 数据条 ============ */
.stat-band{
  position:relative;
  overflow:hidden;
  background:var(--primary-dark);
  color:#fff;
  padding:58px 0;
}
.stat-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.07) 0 1px,transparent 1px 40px);
  pointer-events:none;
}
.stat-band .container{position:relative;z-index:1;}
.stat-heading{
  font-size:14px;
  font-weight:600;
  letter-spacing:2.6px;
  color:#9FC0E8;
  margin-bottom:30px;
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:30px;
}
.stat-num{
  font-size:clamp(30px,3.6vw,40px);
  font-weight:700;
  color:var(--accent-bright);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;letter-spacing:.5px;}
.stat-label{
  margin-top:12px;
  font-size:14.5px;
  line-height:1.7;
  color:#C3D6EC;
}

/* ============ 参数与卡片拼块 ============ */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:52px;
}
.tile{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--border-strong);}
.tile-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--primary-light);
  color:var(--primary);
  display:grid;place-items:center;
  font-size:18px;
  margin-bottom:14px;
}
.tile h3{font-size:17px;margin-bottom:8px;}
.tile p{font-size:14.5px;line-height:1.75;color:var(--text-sub);}

.spec-wrap{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:30px 32px;
  box-shadow:var(--shadow-sm);
}
.spec-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.spec-head h3{font-size:18px;}
.spec-head span{font-size:13.5px;color:var(--text-mute);}
.spec-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0 44px;
  margin:0;
  border-top:1px solid var(--border);
}
.spec-item{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:18px;
  padding:15px 0;
  border-bottom:1px solid var(--border);
}
.spec-item dt{
  font-size:14.8px;
  color:var(--text-sub);
  font-weight:400;
}
.spec-item dd{
  margin:0;
  font-size:15.2px;
  font-weight:600;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  text-align:right;
}

/* ============ FAQ ============ */
.faq-list{
  max-width:800px;
  margin:0 auto;
  border-top:1px solid var(--border);
}
.faq-list details{border-bottom:1px solid var(--border);}
.faq-list summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:20px 44px 20px 0;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  transition:color .15s ease;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"+";
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--primary);
  transition:transform .18s ease,color .18s ease;
}
.faq-list details[open] summary{color:var(--primary);}
.faq-list details[open] summary::after{content:"−";color:var(--accent);}
.faq-list summary:hover{color:var(--primary);}
.faq-list summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.faq-body{
  padding:0 44px 22px 0;
  color:var(--text-sub);
  font-size:16px;
  line-height:1.85;
}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--primary-light);
  border-top:1px solid var(--border);
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-copy{max-width:660px;}
.cta-copy h2{margin-bottom:12px;}
.cta-copy p{color:var(--text-sub);font-size:16.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--primary-dark);
  color:#DDE9F6;
  padding:64px 0 24px;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.25fr 1fr;
  gap:40px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14.5px;
  line-height:1.85;
  color:#B9CDE6;
}
.logo-light .logo-mark{background:#1E6AC4;box-shadow:none;}
.logo-light .logo-text strong{color:#fff;}
.logo-light .logo-text em{color:#9FC0E8;}
.footer-col h4{
  font-size:16px;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14.5px;color:#B9CDE6;line-height:1.7;}
.footer-col a{color:#C7D9EE;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;
  color:#A9C0DC;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sec-y:72px;}
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
  .tile-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
  .split-row.is-reverse{flex-direction:row;}
  .media-col::before{inset:18px -14px -14px 18px;}
}
@media screen and (max-width:768px){
  html{scroll-padding-top:124px;}
  .page-hero{padding:48px 0 56px;min-height:300px;}
  .stat-band{padding:48px 0;}
  .spec-wrap{padding:24px 20px;}
  .spec-list{grid-template-columns:1fr;gap:0;}
  .cta-band{padding:52px 0;}
}
@media screen and (max-width:640px){
  :root{--sec-y:56px;--gutter:18px;}
  body{font-size:16px;}
  .header-inner{height:56px;}
  .subnav{top:56px;}
  .logo-mark{width:34px;height:34px;font-size:15px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text em{font-size:10.5px;letter-spacing:2px;}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .tile-grid,.stat-grid{grid-template-columns:1fr;}
  .media-col::before{display:none;}
  .faq-list summary{font-size:16px;padding-right:38px;}
  .faq-body{padding-right:0;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#1657A8;
  --brand-deep:#0F3E7D;
  --brand-light:#E8F1FB;
  --accent:#FF6A2B;
  --accent-dark:#E85A1E;
  --accent-light:#FFF1E9;
  --teal:#14A38B;
  --ink:#16202C;
  --muted:#5A6B7B;
  --disabled:#9AA7B4;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E3EAF2;
  --border-hover:#CDE0F5;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,58,110,.06);
  --shadow-2:0 8px 24px rgba(16,58,110,.08);
  --shadow-3:0 12px 32px rgba(16,58,110,.14);
  --container:1200px;
  --gutter:24px;
  --font-head:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  padding:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
  letter-spacing:.01em;
}

h1,h2,h3,h4,h5{
  font-family:var(--font-head);
  color:var(--ink);
  margin:0 0 .6em;
  line-height:1.35;
  font-weight:700;
}

h1{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.01em;}
h2{font-size:clamp(22px,2.3vw,30px);font-weight:700;}
h3{font-size:19px;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 1.1em;color:var(--muted);}
p strong{color:var(--ink);font-weight:600;}

a{
  color:var(--brand);
  text-decoration:none;
  transition:color .18s ease,opacity .18s ease;
}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
a.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--brand);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
a.link-arrow:hover{color:var(--accent);}
a.link-arrow i{font-size:13px;transition:transform .18s ease;}
a.link-arrow:hover i{transform:translateX(3px);}

ul,ol{margin:0 0 1.1em;padding-left:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
  text-transform:uppercase;
}
.section-head h2{
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:4px;
  border-radius:2px;
  background:var(--accent);
  transform:translateX(-16px);
}
.section-head.center h2{padding-left:0;}
.section-head.center h2::before{display:none;}
.section-head p{font-size:16px;margin-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  text-align:center;
  white-space:nowrap;
  transition:background-color .12s ease,color .12s ease,box-shadow .12s ease,transform .12s ease,border-color .12s ease;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,106,43,.24);
}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.3);}
.btn-primary:active{transform:translateY(0);background:#D14E16;}
.btn-outline{
  background:#fff;
  color:var(--brand);
  border-color:#BFD8F2;
  box-shadow:var(--shadow-1);
}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-1px);}
.btn-ghost{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled]{background:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  line-height:1;
}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.badge-teal{background:#E4F6F2;color:#0E7A69;}
.badge-list{display:flex;flex-wrap:wrap;gap:10px;margin:0;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(16,58,110,.1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
  box-shadow:var(--shadow-1);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.24em;}
.logo-light .logo-text strong{color:#fff;}
.logo-light .logo-text em{color:rgba(255,255,255,.72);}
.logo-light .logo-mark{background:rgba(255,255,255,.14);box-shadow:none;}

.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:12px;
}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:22px 14px;
  font-size:15.5px;
  font-weight:500;
  color:var(--ink);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:14px;
  height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--brand);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}

.header-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-input);
  height:40px;
  padding:0 6px 0 14px;
  min-width:230px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,87,168,.12);}
.nav-search input{
  border:0;
  background:transparent;
  height:100%;
  flex:1;
  min-width:0;
  font-size:14px;
  color:var(--ink);
  outline:none;
}
.nav-search input::placeholder{color:var(--disabled);}
.nav-search button{
  width:30px;height:30px;
  border:0;
  border-radius:8px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:13px;
  transition:background-color .16s ease,color .16s ease;
}
.nav-search button:hover{background:var(--brand);color:#fff;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .18s ease,opacity .18s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(86vw,360px);
  height:100%;
  background:#fff;
  z-index:90;
  transform:translateX(102%);
  transition:transform .24s ease;
  display:flex;
  flex-direction:column;
  box-shadow:-10px 0 34px rgba(16,58,110,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 18px;
  border-bottom:1px solid var(--border);
}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  color:var(--muted);
  font-size:15px;
}
.drawer-close:hover{color:var(--brand);border-color:var(--border-hover);}
.drawer-nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px;
  border-radius:10px;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand);font-weight:600;}
.drawer-nav a i{color:var(--disabled);font-size:13px;}
.drawer-foot{padding:16px 18px 22px;border-top:1px solid var(--border);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(15,62,125,.34);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:18px 0 0;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--disabled);}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- 压缩 Hero ---------- */
.cat-hero{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:relative;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(22,87,168,.06) 0 1px,transparent 1px 72px),
                   repeating-linear-gradient(0deg,rgba(22,87,168,.05) 0 1px,transparent 1px 72px);
  opacity:.9;
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px dashed rgba(22,87,168,.18);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;
  padding:44px 0 52px;
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
  min-height:320px;
}
.cat-hero h1{margin-bottom:16px;max-width:720px;}
.cat-hero .hero-lead{
  font-size:17px;
  color:var(--muted);
  max-width:640px;
  margin-bottom:22px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.cat-hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:14px;
  color:var(--muted);
}
.cat-hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.cat-hero-meta i{color:var(--teal);font-size:13px;}
.cat-hero-media{position:relative;}
.cat-hero-media .media-frame{
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow-2);
  border:1px solid var(--border);
  aspect-ratio:16/10;
  background:var(--brand-light);
}
.cat-hero-media .media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.cat-hero-media::after{
  content:"";
  position:absolute;
  left:-16px;bottom:-16px;
  width:120px;height:120px;
  border-radius:14px;
  background:var(--brand-light);
  z-index:-1;
}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;
  top:68px;
  z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--border);
}
.anchor-nav ul{
  display:flex;
  gap:8px;
  margin:0;
  padding:10px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.anchor-nav ul::-webkit-scrollbar{display:none;}
.anchor-nav a{
  display:inline-block;
  padding:8px 16px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  border:1px solid transparent;
  white-space:nowrap;
}
.anchor-nav a:hover{color:var(--brand);background:var(--brand-light);border-color:#D7E7F9;}

/* ---------- 流程时间轴 ---------- */
.timeline{
  position:relative;
  padding-left:38px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:15px;
  top:12px;
  bottom:12px;
  width:2px;
  background:linear-gradient(180deg,var(--brand) 0%,#BFD8F2 100%);
  border-radius:2px;
}
.tl-item{position:relative;margin-bottom:22px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;
  left:-38px;
  top:18px;
  width:32px;height:32px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 4px #fff;
}
.tl-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px 24px;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--border-hover);}
.tl-card h3{margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tl-card p{margin-bottom:0;font-size:15.5px;}
.tl-card .tl-tag{
  font-size:12.5px;
  font-weight:600;
  color:var(--teal);
  background:#E4F6F2;
  border-radius:999px;
  padding:3px 10px;
}

/* ---------- 服务范围（两列不等宽） ---------- */
.scope-grid{gap:0;}
.scope-copy{padding-right:34px;}
.scope-copy h2{margin-bottom:14px;}
.scope-copy > p{font-size:16px;}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px;margin:22px 0 26px;}
.check-list li{
  position:relative;
  padding-left:26px;
  font-size:15.5px;
  color:var(--ink);
  font-weight:500;
}
.check-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:11px;
  color:#fff;
  background:var(--brand);
  width:18px;height:18px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  position:absolute;
  left:0;top:7px;
}
.scope-media{position:relative;}
.scope-media .media-frame{
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--brand-light);
  border:1px solid var(--border);
  box-shadow:var(--shadow-2);
}
.scope-media .media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.scope-media .media-note{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.scope-media .media-note i{color:var(--accent);}

.scope-reverse{margin-top:72px;}
.scope-reverse .scope-media{padding-right:34px;}
.scope-reverse .scope-copy{padding-right:0;padding-left:0;}

/* ---------- 数据条 ---------- */
.data-strip{
  background:var(--brand-deep);
  color:#fff;
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.data-strip::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 64px);
  opacity:.5;
  pointer-events:none;
}
.data-strip .section-head{margin-bottom:32px;position:relative;}
.data-strip h2{color:#fff;}
.data-strip .section-head h2::before{background:var(--accent);}
.data-strip .section-head p{color:rgba(255,255,255,.76);}
.data-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.data-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-card);
  padding:22px 20px;
  transition:background-color .16s ease,transform .16s ease;
}
.data-card:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
.data-card .num{
  font-size:34px;
  font-weight:700;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
  line-height:1.2;
}
.data-card .num small{font-size:16px;font-weight:600;color:rgba(255,255,255,.85);margin-left:4px;}
.data-card .label{font-size:15px;font-weight:600;color:#fff;margin-top:6px;}
.data-card .desc{font-size:13.5px;color:rgba(255,255,255,.7);margin:6px 0 0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  margin-bottom:12px;
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.faq-item:hover{border-color:var(--border-hover);box-shadow:var(--shadow-2);}
.faq-item[open]{border-color:#BFD8F2;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 58px 20px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:26px;height:26px;
  border-radius:8px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background-color .18s ease,color .18s ease;
}
.faq-item[open] summary::after{content:"–";background:var(--accent);color:#fff;}
.faq-item .faq-body{
  padding:0 22px 22px;
  font-size:15.5px;
  color:var(--muted);
  border-top:1px solid var(--border);
  margin-top:0;
  padding-top:18px;
}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ---------- 咨询表单 ---------- */
.contact-section{background:#fff;border-top:1px solid var(--border);}
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:start;}
.contact-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  box-shadow:var(--shadow-2);
  padding:30px;
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.form-row label .req{color:var(--accent);margin-left:4px;}
.form-control{
  width:100%;
  height:46px;
  padding:0 14px;
  border:1px solid var(--border);
  border-radius:var(--radius-input);
  background:#fff;
  color:var(--ink);
  font-size:15.5px;
  transition:border-color .16s ease,box-shadow .16s ease,background-color .16s ease;
  appearance:none;
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;min-height:110px;}
select.form-control{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%235A6B7B' d='M4.5 6.5 8 10l3.5-3.5z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:18px;
  padding-right:38px;
}
.form-control:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(22,87,168,.14);
}
.form-control::placeholder{color:var(--disabled);}
.form-row.has-error .form-control{border-color:#D93A2B;box-shadow:0 0 0 3px rgba(217,58,43,.12);}
.form-error{display:none;font-size:13px;color:#D93A2B;margin-top:6px;}
.form-row.has-error .form-error{display:block;}
.form-hint{font-size:13px;color:var(--disabled);margin-top:10px;text-align:center;}
.form-consent{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin:4px 0 18px;}
.form-consent input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);}

.contact-side .side-card{
  background:var(--brand-light);
  border-radius:var(--radius-card);
  padding:26px;
  border:1px solid #D7E7F9;
  margin-bottom:18px;
}
.contact-side .side-card h3{margin-bottom:12px;}
.contact-side .side-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--ink);
  padding:10px 0;
  border-bottom:1px dashed #CFE0F3;
}
.contact-side .side-list li:last-child{border-bottom:0;padding-bottom:0;}
.contact-side .side-list i{color:var(--brand);width:18px;margin-top:5px;}
.contact-side .side-list b{font-weight:600;}
.notice-card{
  background:#fff;
  border:1px solid var(--border);
  border-left:4px solid var(--teal);
  border-radius:12px;
  padding:18px 20px;
  font-size:14.5px;
  color:var(--muted);
  box-shadow:var(--shadow-1);
}
.notice-card b{color:var(--ink);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;margin-bottom:8px;}
.cta-inner p{color:rgba(255,255,255,.8);margin:0;font-size:16px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.82);
  padding:64px 0 0;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand p{
  color:rgba(255,255,255,.72);
  font-size:14.5px;
  margin-top:16px;
  max-width:360px;
}
.footer-col h4{
  color:#fff;
  font-size:15.5px;
  margin-bottom:16px;
  position:relative;
  padding-left:12px;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.footer-col ul li{
  margin-bottom:11px;
  font-size:14.5px;
  color:rgba(255,255,255,.74);
  line-height:1.7;
}
.footer-col a{color:rgba(255,255,255,.78);}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.16);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.62);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}

@media screen and (max-width:1024px){
  body{font-size:16px;}
  .section{padding:72px 0;}
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:64px;gap:16px;}
  .cat-hero-inner{grid-template-columns:1fr;gap:30px;padding:36px 0 44px;min-height:0;}
  .cat-hero-media{order:-1;}
  .cat-hero-media .media-frame{aspect-ratio:16/9;}
  .anchor-nav{top:64px;}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scope-copy{padding-right:0;margin-bottom:28px;}
  .scope-reverse .scope-media{padding-right:0;margin-bottom:28px;}
  .scope-reverse .scope-copy{margin-bottom:0;}
  .timeline{padding-left:32px;}
  .tl-num{left:-32px;}
}

@media screen and (max-width:768px){
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .check-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}

@media screen and (max-width:520px){
  :root{--gutter:18px;}
  body{font-size:16px;}
  h1{font-size:26px;}
  .cta-band{padding:48px 0;}
  .data-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .contact-card{padding:22px;}
  .cat-hero-actions .btn{width:100%;}
  .cat-hero-actions{flex-direction:column;align-items:stretch;}
  .timeline{padding-left:28px;}
  .tl-num{left:-28px;width:28px;height:28px;font-size:12px;}
  .tl-card{padding:18px;}
  .faq-item summary{padding:16px 50px 16px 18px;font-size:15.5px;}
  .faq-item .faq-body{padding:16px 18px 18px;}
}

/* Foundation 覆盖 */
.grid-x>.cell{min-width:0;}
.grid-margin-x>.cell{width:auto;}