/* roulang page: index */
:root{
  --blue:#1456B8;
  --blue-dark:#0E3E86;
  --blue-light:#E8F0FE;
  --green:#6DBE45;
  --green-dark:#4E9A2E;
  --green-light:#EDF7E3;
  --green-bg:#F1F7EA;
  --orange:#FF7A45;
  --red:#D93025;
  --ink:#0F1B2D;
  --text:#44506B;
  --muted:#8A94A6;
  --line:#E3EAF3;
  --white:#FFFFFF;
  --bg:#F6F9FD;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-lg:24px;
  --sh-sm:0 1px 3px rgba(16,42,86,.06);
  --sh-md:0 2px 8px rgba(16,42,86,.08);
  --sh-lg:0 10px 24px rgba(16,42,86,.10);
  --header-h:68px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--white);
  padding-bottom:76px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--blue-dark);text-decoration:underline;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;font-size:15px;line-height:1;
  padding:14px 24px;transition:filter .2s ease,transform .15s ease,box-shadow .2s ease,background .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--blue);filter:brightness(.92);color:#fff;box-shadow:var(--sh-md);}
.btn-outline{background:#fff;color:var(--blue);border:1px solid var(--blue);}
.btn-outline:hover{background:var(--blue-light);color:var(--blue-dark);}
.btn-green{background:var(--green-dark);color:#fff;}
.btn-green:hover{filter:brightness(.93);color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-more{font-weight:600;font-size:15px;border-bottom:1px solid transparent;}
.link-more:hover{border-bottom-color:var(--blue);text-decoration:none;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(180%) blur(8px);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:24px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:19px;letter-spacing:.2px;}
.logo:hover{text-decoration:none;color:var(--blue-dark);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--green) 0%,var(--green-dark) 100%);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);margin-left:6px;letter-spacing:1px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1;}
.nav-link{
  position:relative;padding:22px 14px;font-size:15px;color:var(--text);font-weight:500;
}
.nav-link:hover{color:var(--blue);text-decoration:none;}
.nav-link.active{color:var(--blue);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:12px;height:2px;
  background:var(--green);border-radius:2px;
}
.header-right{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:14px 24px;border-bottom:1px solid var(--line);color:var(--ink);font-size:15px;}
.mobile-drawer a.active{color:var(--blue);font-weight:600;background:var(--blue-light);}

/* ===== 倒计时条 ===== */
.topbar{
  position:sticky;top:var(--header-h);z-index:45;
  background:var(--blue-dark);color:#fff;
}
.topbar-inner{
  height:44px;display:flex;align-items:center;gap:16px;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;
}
.topbar-inner::-webkit-scrollbar{display:none;}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  background:var(--green-dark);color:#fff;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:999px;
}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;}
.topbar-text{font-size:13px;color:rgba(255,255,255,.85);flex:0 0 auto;}
.countdown{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.cd-item{display:flex;align-items:center;gap:4px;}
.cd-num{
  min-width:34px;text-align:center;background:rgba(255,255,255,.14);color:#fff;
  border-radius:6px;padding:3px 6px;font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.cd-label{font-size:12px;color:rgba(255,255,255,.7);}
.topbar-link{margin-left:auto;color:#fff;font-size:13px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:1px;flex:0 0 auto;}
.topbar-link:hover{color:#fff;text-decoration:none;border-bottom-color:#fff;}

/* ===== 板块基础 ===== */
.section{padding:88px 0;}
.section-alt{background:var(--bg);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--green-dark);
  background:var(--green-light);border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.section-title{
  font-size:30px;line-height:1.3;color:var(--ink);font-weight:600;letter-spacing:.2px;
  position:relative;padding-left:16px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--green);
}
.section-desc{margin-top:14px;font-size:16px;color:var(--text);max-width:720px;}

/* ===== Hero ===== */
.hero{padding:56px 0 72px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-title{font-size:48px;line-height:1.25;color:var(--ink);font-weight:700;letter-spacing:.3px;}
.hero-title em{font-style:normal;color:var(--blue);}
.hero-sub{margin-top:20px;font-size:18px;color:var(--text);max-width:560px;}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{margin-top:40px;display:flex;align-items:stretch;gap:0;flex-wrap:wrap;}
.stat{padding:0 28px;border-left:1px solid var(--line);}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:30px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:13px;color:var(--muted);margin-top:2px;}
.hero-media{position:relative;}
.hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:var(--sh-md);background:var(--line);
}
.hero-badge{
  position:absolute;right:-10px;bottom:-14px;background:var(--green-dark);color:#fff;
  font-size:13px;font-weight:600;padding:9px 16px;border-radius:999px;box-shadow:var(--sh-md);
}

/* ===== 卖点错位栅格 ===== */
.sell-grid{display:grid;grid-template-columns:6fr 3fr 3fr;gap:20px;align-items:stretch;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:#D6E2F2;}
.card-lg{
  background:linear-gradient(160deg,#FFFFFF 0%,var(--blue-light) 100%);
  padding:32px;display:flex;flex-direction:column;
}
.card-title{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4;}
.card-lg .card-title{font-size:24px;}
.card-text{margin-top:12px;font-size:15px;color:var(--text);max-width:460px;}
.icon-box{
  width:46px;height:46px;border-radius:14px;background:var(--blue-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.icon-box svg{width:24px;height:24px;stroke:var(--blue);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.icon-box.green{background:var(--green-light);}
.icon-box.green svg{stroke:var(--green-dark);}
.sell-list{margin-top:22px;display:grid;gap:10px;}
.sell-list li{position:relative;padding-left:20px;font-size:15px;}
.sell-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--green);
}

/* ===== 图墙 ===== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:16px;}
.g-item{position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--line);}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.g-item:hover img{transform:scale(1.04);}
.g-item.wide{grid-column:span 2;}
.g-item.tall{grid-row:span 2;}
.g-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:18px 16px 14px;
  background:linear-gradient(180deg,rgba(15,27,45,0) 0%,rgba(15,27,45,.78) 100%);
  color:#fff;font-size:14px;font-weight:600;opacity:0;transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease;
}
.g-item:hover .g-overlay{opacity:1;transform:translateY(0);}

/* ===== CTA + 表单 ===== */
.cta-block{
  background:var(--green-bg);border-radius:var(--r-lg);padding:48px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
  border:1px solid #E1EFD3;
}
.cta-title{font-size:30px;font-weight:600;color:var(--ink);line-height:1.3;}
.cta-text{margin-top:16px;font-size:16px;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;}
.cta-points svg{width:18px;height:18px;stroke:var(--green-dark);fill:none;stroke-width:2;flex:0 0 auto;margin-top:6px;}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-md);}
.form-row{display:grid;gap:16px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.input{
  height:44px;width:100%;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;font-size:15px;background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,86,184,.12);}
.input.invalid{border-color:var(--red);}
.error-msg{font-size:12px;color:var(--red);min-height:16px;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text);}
.check input{margin-top:5px;width:16px;height:16px;accent-color:var(--blue);}
.success-bar{
  display:none;align-items:center;gap:10px;background:var(--green-light);color:#37691F;
  border-radius:var(--r-btn);padding:12px 16px;font-size:14px;font-weight:600;margin-bottom:16px;
}
.success-bar.show{display:flex;}
.success-bar svg{width:18px;height:18px;stroke:var(--green-dark);fill:none;stroke-width:2.2;}

/* ===== 最新信息列表 ===== */
.news-list{display:grid;gap:20px;}
.news-card{
  display:grid;grid-template-columns:40% 1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.news-thumb{display:block;background:var(--line);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;min-height:190px;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);}
.tag{
  display:inline-block;background:var(--blue-light);color:var(--blue);font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:999px;
}
.news-title{font-size:20px;font-weight:600;color:var(--ink);line-height:1.4;}
.news-title a{color:var(--ink);}
.news-title a:hover{color:var(--blue);text-decoration:none;}
.news-sum{
  font-size:15px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);
}
.empty-state svg{width:44px;height:44px;stroke:var(--muted);fill:none;stroke-width:1.5;margin:0 auto 14px;}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--blue);}
.faq-item.open .faq-q{color:var(--blue);}
.faq-icon{width:18px;height:18px;flex:0 0 auto;transition:transform .25s ease;}
.faq-icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text);}

/* ===== 页脚 ===== */
.footer-cta{
  background:var(--blue-light);border-radius:var(--r-lg);padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-bottom:0;
}
.footer-cta h2{font-size:24px;font-weight:600;color:var(--ink);}
.footer-cta p{font-size:15px;margin-top:8px;}
.site-footer{background:var(--bg);border-top:1px solid var(--line);margin-top:88px;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;}
.footer-brand .logo-mark{width:30px;height:30px;border-radius:9px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:var(--blue-dark);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text);}
.footer-col a:hover{color:var(--blue);}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ===== 移动底部 Tab ===== */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;height:60px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
}
.mobile-tab ul{display:flex;height:60px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--muted);
}
.mobile-tab a:hover{text-decoration:none;color:var(--blue);}
.mobile-tab a.active{color:var(--blue);font-weight:600;}
.mobile-tab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .hero-title{font-size:42px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-right .btn{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .hero-title{font-size:38px;}
  .sell-grid{grid-template-columns:1fr 1fr;}
  .card-lg{grid-column:span 2;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .cta-block{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{padding-bottom:80px;}
  .container{padding:0 16px;}
  .mobile-tab{display:block;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:16px;}
  .stat{padding:0 18px;}
  .stat-num{font-size:24px;}
  .section{padding:48px 0;}
  .section-title{font-size:24px;}
  .section-head{margin-bottom:24px;}
  .sell-grid{grid-template-columns:1fr;}
  .card-lg{grid-column:span 1;padding:24px;}
  .card-lg .card-title{font-size:20px;}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:120px;}
  .g-item.wide{grid-column:span 2;}
  .news-card{grid-template-columns:1fr;}
  .news-thumb img{min-height:170px;max-height:200px;}
  .news-body{padding:20px;}
  .cta-block{padding:24px;border-radius:var(--r-card);gap:28px;}
  .cta-title{font-size:22px;}
  .form-card{padding:20px;}
  .btn-block-mobile{width:100%;}
  .site-footer{margin-top:48px;padding-top:40px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-cta{padding:24px;border-radius:var(--r-card);}
  .footer-cta h2{font-size:20px;}
  .footer-cta .btn{width:100%;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (max-width:479px){
  .hero-title{font-size:26px;}
  .hero-actions .btn{width:100%;}
  .stat{padding:0 14px;}
  .stat-label{font-size:12px;}
}

/* roulang page: article */
:root{
  --blue:#1456B8;
  --blue-dark:#0E3E86;
  --blue-light:#E8F0FE;
  --green:#6DBE45;
  --green-dark:#4E9A2E;
  --green-soft:#EDF7E3;
  --green-bg:#F1F7EA;
  --orange:#FF7A45;
  --ink:#0F1B2D;
  --text:#44506B;
  --muted:#8A94A6;
  --border:#E3EAF3;
  --white:#FFFFFF;
  --bg:#F6F9FD;
  --red:#D93025;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-lg:24px;
  --r-input:10px;
  --r-pill:999px;
  --sh-sm:0 1px 3px rgba(16,42,86,.06);
  --sh-md:0 2px 8px rgba(16,42,86,.08);
  --sh-lg:0 10px 24px rgba(16,42,86,.10);
  --font:-apple-system,BlinkMacSystemFont,"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);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:76px;
}
@media (min-width:768px){body{padding-bottom:0}}
img{max-width:100%;height:auto;display:block}
svg{display:block}
a{color:var(--blue);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--blue-dark);text-decoration:underline}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.3;letter-spacing:.2px}
h1{font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:520px){.container{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:34px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:700;letter-spacing:.3px}
.brand:hover{text-decoration:none;color:var(--blue-dark)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;background:var(--blue);
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-sm);
}
.logo-mark svg{width:19px;height:19px}
.brand-text{display:inline-flex;align-items:baseline;gap:5px}
.brand-sub{font-size:12px;font-weight:500;color:var(--green-dark);background:var(--green-soft);border-radius:var(--r-pill);padding:2px 8px;letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:23px 0;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:15px;height:2px;
  background:var(--green);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--blue);text-decoration:none}
.nav-link.active{color:var(--blue);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{margin-left:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;color:var(--blue);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .12s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:#1250a8;color:#fff;box-shadow:var(--sh-md)}
.btn-outline{background:var(--white);color:var(--blue);border-color:#C6D8F2}
.btn-outline:hover{background:var(--blue-light);color:var(--blue-dark);border-color:var(--blue)}
.btn-ghost{color:var(--blue);padding:0 4px;height:auto}
.btn-ghost:hover{text-decoration:underline;color:var(--blue-dark)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}
.btn-sm{height:36px;font-size:14px;padding:0 14px}
.btn-block{width:100%}
@media (max-width:767px){
  .btn{min-height:48px}
  .btn-block-sm{width:100%}
}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--blue-light);color:var(--blue-dark);
}
.badge-green{background:var(--green-soft);color:var(--green-dark)}
.badge-orange{background:#FFF1EA;color:#C64A1B}

/* ---------- 面包屑与标题区 ---------- */
.page-banner{
  position:relative;
  background-color:var(--bg);
  background-image:linear-gradient(180deg,rgba(246,249,253,.93),rgba(246,249,253,.99)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
  padding:26px 0 44px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--blue);text-decoration:none}
.breadcrumb .sep{color:#C7D2E2}
.breadcrumb .crumb-current{color:var(--blue-dark);font-weight:500}
.article-title{
  font-size:38px;line-height:1.28;margin:16px 0 20px;max-width:900px;
  overflow-wrap:break-word;word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;font-size:14px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item svg{width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.meta-item time{font-variant-numeric:tabular-nums;color:var(--text)}
@media (max-width:767px){.article-title{font-size:26px}.page-banner{padding:20px 0 32px}}

/* ---------- 导语 ---------- */
.article-lead{padding:44px 0 0}
.lead-box{
  background:var(--white);border:1px solid var(--border);border-left:4px solid var(--green);
  border-radius:var(--r-img);padding:20px 24px;box-shadow:var(--sh-sm);
}
.lead-box .lead-label{display:block;font-size:13px;font-weight:600;color:var(--green-dark);margin-bottom:8px;letter-spacing:.4px}
.lead-box p{font-size:16px;line-height:1.85;color:#3B4762}
@media (max-width:767px){.article-lead{padding:28px 0 0}}

/* ---------- 正文 ---------- */
.article-main{padding:40px 0 0}
.article-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:40px;
}
.article-body{max-width:820px;font-size:16px;line-height:1.8;color:var(--text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:24px;margin:38px 0 16px;padding-left:13px;
  border-left:4px solid var(--green);line-height:1.4;
}
.article-body h3{font-size:19px;margin:28px 0 12px;color:var(--ink)}
.article-body h4{font-size:17px;margin:22px 0 10px;color:var(--ink)}
.article-body strong{color:var(--ink)}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0}
.article-body li{position:relative;padding-left:22px;margin-bottom:9px}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;
  background:var(--green);border-radius:2px;
}
.article-body ol{counter-reset:ol-item}
.article-body ol>li{counter-increment:ol-item}
.article-body ol>li::before{
  content:counter(ol-item);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:50%;background:var(--blue-light);color:var(--blue-dark);
  font-size:11px;font-weight:700;line-height:18px;text-align:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--blue-light);
  border-left:4px solid var(--blue);border-radius:0 var(--r-img) var(--r-img) 0;
  color:#31405F;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-sm)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--border);border-radius:var(--r-img);overflow:hidden;
}
.article-body th{background:var(--blue-light);color:var(--blue-dark);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--border)}
.article-body tbody tr:nth-child(even) td{background:#F8FAFE}
.article-body hr{border:none;border-top:1px solid var(--border);margin:32px 0}
@media (max-width:767px){
  .article-main{padding:26px 0 0}
  .article-card{padding:22px 18px}
  .article-body h2{font-size:20px;margin-top:30px}
  .article-body h3{font-size:17px}
}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:48px 20px 40px;max-width:520px;margin:0 auto}
.empty-state svg{width:52px;height:52px;margin:0 auto 18px;stroke:var(--muted);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head .section-sub{font-size:15px;color:var(--muted);line-height:1.8}
@media (max-width:767px){
  .section{padding:48px 0 0}
  .section-head h2{font-size:22px}
}

/* ---------- 相关推荐卡片 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:#D8E4F5}
.related-cover{display:block;overflow:hidden;aspect-ratio:16/10;background:#EEF3FA}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-cover:hover img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px}
.card-body .badge{margin-bottom:12px}
.card-body h3{font-size:18px;margin-bottom:10px;line-height:1.45}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--blue);text-decoration:none}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600}
.card-link::after{content:"→";transition:transform .18s ease}
.card-link:hover{text-decoration:none}
.card-link:hover::after{transform:translateX(3px)}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.related-grid{grid-template-columns:1fr}}

/* ---------- CTA 区块 ---------- */
.cta-panel{
  background:var(--green-bg);border:1px solid #DEEBCE;border-radius:var(--r-lg);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-panel h2{font-size:26px;margin-bottom:10px}
.cta-panel p{font-size:15px;color:#4A5A46;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
@media (max-width:900px){
  .cta-panel{flex-direction:column;align-items:flex-start;padding:28px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 180px}
}

/* ---------- 正文阅读页脚提示 ---------- */
.article-note{
  margin-top:32px;padding:18px 22px;background:var(--bg);border:1px dashed var(--border);
  border-radius:var(--r-img);font-size:14px;color:var(--muted);line-height:1.8;
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--bg);border-top:1px solid var(--border);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-brand .logo-mark{width:32px;height:32px;flex:0 0 32px}
.footer-brand .logo-mark svg{width:18px;height:18px}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.85;max-width:420px}
.footer-col h3{font-size:15px;color:var(--blue-dark);margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text)}
.footer-col a:hover{color:var(--blue);text-decoration:underline}
.footer-col span{font-size:14px;color:var(--muted);line-height:1.7;display:block}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--border);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){
  .site-footer{margin-top:52px;padding-top:36px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:60px;padding:6px 4px;font-size:10px;line-height:1.15;text-align:center;
  color:var(--muted);transition:color .18s ease;
}
.tab-item svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.tab-item:hover{color:var(--blue);text-decoration:none}
.tab-item.active{color:var(--blue);font-weight:600}
@media (min-width:768px){.mobile-tab{display:none}}

/* ---------- 骨架与加载态 ---------- */
.skeleton{
  position:relative;overflow:hidden;background:#EEF3FA;border-radius:var(--r-img);
}
.skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);
  animation:shimmer 1.2s infinite;
}
@keyframes shimmer{100%{transform:translateX(100%)}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --blue:#1456B8;
  --blue-dark:#0E3E86;
  --blue-light:#E8F0FE;
  --green:#6DBE45;
  --green-dark:#4E9A2E;
  --green-light:#EDF7E3;
  --green-bg:#F1F7EA;
  --orange:#FF7A45;
  --ink:#0F1B2D;
  --body:#44506B;
  --muted:#8A94A6;
  --line:#E3EAF3;
  --white:#FFFFFF;
  --bg:#F6F9FD;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-cta:24px;
  --sh-sm:0 1px 3px rgba(16,42,86,.06);
  --sh-md:0 2px 8px rgba(16,42,86,.08);
  --sh-lg:0 10px 24px rgba(16,42,86,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;color:var(--body);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .18s ease;}
a:hover{text-decoration:underline;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:600;line-height:1.32;}
p{margin:0;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;height:68px;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand:hover{text-decoration:none;color:var(--ink);}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--blue);flex:0 0 auto;}
.logo-mark svg{width:20px;height:20px;display:block;}
.brand-suffix{font-size:12px;font-weight:600;color:var(--blue);background:var(--blue-light);border-radius:999px;padding:2px 8px;margin-left:4px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{position:relative;padding:8px 12px;font-size:15px;color:var(--body);border-radius:8px;}
.nav-link:hover{color:var(--blue);text-decoration:none;}
.nav-link.active{color:var(--blue);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;background:var(--green);border-radius:2px;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;background:var(--white);}
.nav-toggle svg{width:20px;height:20px;}
.mobile-menu{display:none;background:var(--white);border-top:1px solid var(--line);}
.mobile-menu.open{display:block;}
.mobile-menu a{display:block;padding:14px 24px;font-size:15px;color:var(--body);border-bottom:1px solid var(--line);}
.mobile-menu a.active{color:var(--blue);font-weight:600;background:var(--blue-light);}
.mobile-menu a:hover{text-decoration:none;color:var(--blue);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background-color .18s ease,color .18s ease,transform .12s ease,box-shadow .18s ease;white-space:nowrap;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#0F4AA0;color:#fff;}
.btn-outline{background:var(--white);color:var(--blue);border-color:var(--blue);}
.btn-outline:hover{background:var(--blue-light);color:var(--blue);}
.btn-ghost{color:var(--blue);background:transparent;height:auto;padding:0 4px;font-weight:600;}
.btn-ghost:hover{text-decoration:underline;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:active{transform:scale(.98);}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:var(--blue-light);color:var(--blue);}
.tag-green{background:var(--green-light);color:var(--green-dark);}
.tag-orange{background:#FFF1EA;color:#C24E1F;}
.tag-line{background:var(--white);color:var(--body);border:1px solid var(--line);font-weight:500;}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:var(--white);border-bottom:1px solid var(--line);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb li[aria-current]{color:var(--ink);}

/* ---------- 首屏 ---------- */
.page-hero{background:var(--white);border-bottom:1px solid var(--line);padding:52px 0 64px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-copy .tag{margin-bottom:18px;}
.hero-copy h1{font-size:38px;line-height:1.28;font-weight:700;margin-bottom:18px;letter-spacing:-.2px;}
.hero-sub{font-size:18px;color:var(--body);margin-bottom:26px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;}
.hero-stats li{display:flex;flex-direction:column;gap:2px;padding-left:16px;border-left:2px solid var(--blue-light);}
.hero-stats strong{font-size:26px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stats strong .unit{font-size:14px;margin-left:2px;}
.hero-stats span{font-size:13px;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;box-shadow:var(--sh-md);background:var(--bg);}
.hero-badge{position:absolute;right:16px;bottom:16px;display:inline-flex;align-items:center;gap:6px;background:var(--green);color:#fff;font-size:13px;font-weight:600;border-radius:999px;padding:7px 14px;box-shadow:var(--sh-sm);}
.hero-badge svg{width:14px;height:14px;}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--white);}
.section-head{max-width:780px;margin-bottom:24px;}
.section-head h2{font-size:30px;}
.section-head h2::after{content:"";display:block;width:44px;height:3px;border-radius:2px;background:var(--green);margin-top:14px;}
.section-head p{margin-top:18px;font-size:16px;color:var(--body);}

/* ---------- 错位卡片栅格 ---------- */
.bento{display:flex;gap:20px;align-items:flex-start;}
.bento-col{flex:1 1 0;display:grid;gap:20px;min-width:0;}
.bento-col.col-b{margin-top:44px;}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease;height:100%;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);margin-bottom:18px;background:var(--bg);}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{font-size:15px;}
.card .card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ---------- 对照列表 ---------- */
.compare{background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden;}
.compare-row{display:grid;grid-template-columns:230px 1fr 160px;gap:24px;align-items:center;padding:22px 24px;border-top:1px solid var(--line);transition:background-color .18s ease;}
.compare-row:first-child{border-top:0;}
.compare-row:hover{background:#FBFDFF;}
.compare-row h3{font-size:17px;margin-bottom:4px;}
.compare-row p{font-size:15px;}
.compare-row .status{display:flex;justify-content:flex-start;}

/* ---------- 反馈摘录 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote{background:var(--white);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:12px;padding:24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease;}
.quote:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.quote p{font-size:15px;color:var(--ink);}
.quote footer{margin-top:16px;font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq{background:var(--white);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.faq-q:hover{color:var(--blue);}
.faq-q .chev{flex:0 0 auto;width:18px;height:18px;transition:transform .22s ease;color:var(--muted);}
.faq.open .faq-q{color:var(--blue);}
.faq.open .faq-q .chev{transform:rotate(180deg);color:var(--blue);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;padding:0 20px;}
.faq.open .faq-a{padding-bottom:18px;}
.faq-a p{font-size:15px;line-height:1.8;color:var(--body);}

/* ---------- CTA 与表单 ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-block{background:var(--green-bg);border-radius:var(--r-cta);padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-block h2{font-size:28px;margin-bottom:14px;}
.cta-block .cta-desc{font-size:16px;color:var(--body);margin-bottom:22px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;margin-bottom:12px;color:var(--body);}
.cta-points svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;color:var(--green-dark);}
.form-card{background:var(--white);border-radius:16px;padding:26px;box-shadow:var(--sh-md);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.field input,.field select{width:100%;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:15px;color:var(--ink);background:var(--white);transition:border-color .18s ease,box-shadow .18s ease;}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,86,184,.12);}
.field.error input,.field.error select{border-color:#D93025;}
.err-msg{display:none;font-size:12px;color:#D93025;margin-top:6px;}
.field.error .err-msg{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--body);margin:4px 0 18px;}
.check input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--blue);}
.form-success{display:none;align-items:center;gap:10px;background:var(--green-light);color:var(--green-dark);border-radius:12px;padding:16px;font-size:15px;font-weight:600;margin-bottom:16px;}
.form-success.show{display:flex;}
.form-success svg{width:20px;height:20px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--body);line-height:1.8;max-width:360px;}
.footer-col h3{font-size:15px;color:var(--blue-dark);margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--body);}
.footer-col ul li a{color:var(--body);}
.footer-col ul li a:hover{color:var(--blue);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid var(--line);padding:20px 0 24px;font-size:13px;color:var(--muted);}

/* ---------- 移动底部 Tab ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;height:60px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--muted);}
.tabbar a svg{width:22px;height:22px;}
.tabbar a:hover{text-decoration:none;}
.tabbar a.active{color:var(--blue);font-weight:600;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-copy h1{font-size:32px;}
  .cta-block{grid-template-columns:1fr;padding:36px;gap:28px;}
  .quotes{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{padding-bottom:76px;}
  .tabbar{display:flex;}
  .section{padding:48px 0;}
  .page-hero{padding:32px 0 44px;}
  .hero-copy h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;min-height:48px;}
  .hero-stats{gap:18px;}
  .hero-stats strong{font-size:22px;}
  .bento{flex-direction:column;}
  .bento-col.col-b{margin-top:0;}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:18px 20px;}
  .quotes{grid-template-columns:1fr;}
  .section-head h2{font-size:24px;}
  .cta-block{padding:24px;border-radius:18px;}
  .cta-wrap{padding:0 0 48px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding-top:40px;}
}
@media (max-width:479px){
  .brand{font-size:16px;}
  .brand-suffix{display:none;}
  .hero-copy h1{font-size:23px;}
  .btn{padding:0 18px;}
}

/* roulang page: category2 */
:root{
  --brand:#1456B8;
  --brand-dark:#0E3E86;
  --brand-light:#E8F0FE;
  --green:#6DBE45;
  --green-dark:#4E9A2E;
  --green-light:#EDF7E3;
  --green-bg:#F1F7EA;
  --orange:#FF7A45;
  --ink:#0F1B2D;
  --text:#44506B;
  --muted:#8A94A6;
  --border:#E3EAF3;
  --bg:#F6F9FD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-cta:24px;
  --shadow-sm:0 1px 3px rgba(16,42,86,.06);
  --shadow-md:0 2px 8px rgba(16,42,86,.08);
  --shadow-lg:0 10px 24px rgba(16,42,86,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  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(--brand);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;}
h1{font-size:38px;font-weight:700;letter-spacing:.2px;}
h2{font-size:30px;font-weight:600;}
h3{font-size:18px;font-weight:600;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
input,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{height:68px;display:flex;align-items:center;gap:20px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo:hover{text-decoration:none;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand),#2D74D8);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.logo-mark svg{width:20px;height:20px;}
.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:.2px;}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:2px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  color:var(--text);
  border-radius:9px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--brand);text-decoration:none;background:var(--brand-light);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--green);border-radius:2px;
}
.header-cta{
  flex-shrink:0;
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 18px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  border-radius:var(--radius-btn);
  transition:filter .18s ease,transform .18s ease;
}
.header-cta:hover{filter:brightness(.92);text-decoration:none;color:#fff;}
.header-cta:active{transform:scale(.98);}
.nav-toggle{
  display:none;width:40px;height:40px;flex-shrink:0;
  align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink);}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:13px;color:var(--muted);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C8D2E0;}
.breadcrumb a{color:var(--text);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current]{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{padding:32px 0 0;}
.hero-panel{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-cta);
  box-shadow:var(--shadow-sm);
  padding:40px;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:40px;
  align-items:center;
}
.hero-label{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;margin-bottom:18px;
  background:var(--green-light);color:var(--green-dark);
  font-size:13px;font-weight:600;border-radius:999px;
}
.hero-title{font-size:38px;margin-bottom:16px;}
.hero-title span{color:var(--brand);}
.hero-lead{font-size:17px;color:var(--text);max-width:620px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--border);padding-top:20px;}
.hero-stat{padding:0 26px;border-right:1px solid var(--border);}
.hero-stat:first-child{padding-left:0;}
.hero-stat:last-child{border-right:none;}
.hero-stat strong{display:block;font-size:24px;color:var(--ink);font-weight:700;}
.hero-stat span{font-size:13px;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{width:100%;height:300px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-md);}
.hero-badge{
  position:absolute;right:-8px;bottom:-12px;
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;
  background:var(--green);color:#fff;font-size:13px;font-weight:600;
  border-radius:999px;box-shadow:var(--shadow-md);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:filter .18s ease,transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{filter:brightness(.92);color:#fff;}
.btn-outline{background:#fff;color:var(--brand);border-color:#BBD1F0;}
.btn-outline:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand);}
.btn-text{background:transparent;color:var(--brand);padding:0 4px;height:auto;}
.btn-text:hover{text-decoration:underline;}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{filter:brightness(.96);color:var(--brand);}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ---------- Sections ---------- */
.section{padding:88px 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{position:relative;padding-left:16px;margin-bottom:12px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--green);border-radius:3px;
}
.section-head p{color:var(--text);font-size:16px;margin:0;}

/* ---------- Figure blocks (alternating) ---------- */
.figure-stack{display:flex;flex-direction:column;gap:64px;}
.figure-block{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:44px;
  align-items:center;
}
.figure-block.reverse{grid-template-columns:7fr 5fr;}
.figure-block.reverse .figure-media{order:2;}
.figure-media{position:relative;}
.figure-media img{
  width:100%;height:320px;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-md);
}
.figure-media .figure-tag{
  position:absolute;left:16px;top:16px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand-dark);
  font-size:12px;font-weight:600;
  box-shadow:var(--shadow-sm);
}
.figure-body h3{font-size:22px;margin-bottom:12px;}
.figure-body p{font-size:16px;}
.feature-list{list-style:none;display:grid;gap:12px;margin:20px 0 0;}
.feature-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--text);
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;background:var(--green);
}
.feature-list li strong{color:var(--ink);font-weight:600;}

/* ---------- Prep checklist ---------- */
.prep-panel{
  background:var(--brand-light);
  border-radius:var(--radius-cta);
  padding:40px;
}
.prep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:28px;}
.prep-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.prep-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.prep-icon{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  background:var(--green-light);display:flex;align-items:center;justify-content:center;
}
.prep-icon svg{width:18px;height:18px;stroke:var(--green-dark);}
.prep-item h3{font-size:16px;margin-bottom:6px;}
.prep-item p{font-size:14px;color:var(--text);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm);}
.faq-item.is-open{border-color:#BBD1F0;box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-q .faq-arrow{
  flex-shrink:0;width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease;
}
.faq-q .faq-arrow svg{width:16px;height:16px;stroke:var(--muted);}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);}
.faq-item.is-open .faq-arrow svg{stroke:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text);}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--green-bg);
  border-radius:var(--radius-cta);
  padding:44px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:start;
}
.cta-copy h2{font-size:28px;margin-bottom:14px;}
.cta-copy p{font-size:16px;margin-bottom:22px;}
.cta-points{list-style:none;display:grid;gap:10px;}
.cta-points li{position:relative;padding-left:22px;font-size:14px;color:var(--text);}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:50%;background:var(--brand);
}
.form-card{background:#fff;border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-md);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-row input,.form-row select{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--border);border-radius:10px;
  background:#FBFCFE;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(20,86,184,.12);background:#fff;
}
.form-row.has-error input,.form-row.has-error select{border-color:#D93025;}
.form-error{display:none;font-size:12px;color:#D93025;margin-top:6px;}
.form-row.has-error .form-error{display:block;}
.checkbox-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text);margin-bottom:18px;}
.checkbox-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);}
.form-success{
  display:none;align-items:center;gap:10px;
  background:var(--green-light);border-radius:10px;
  padding:14px 16px;font-size:14px;color:var(--green-dark);font-weight:600;
  margin-bottom:16px;
}
.form-success.show{display:flex;}
.form-success svg{width:18px;height:18px;stroke:var(--green-dark);}
.form-card .btn{width:100%;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--bg);
  border-top:1px solid var(--border);
  margin-top:88px;
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-top:14px;max-width:360px;}
.footer-col h3{font-size:15px;margin-bottom:14px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--text);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:40px;border-top:1px solid var(--border);
  padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- Mobile tab bar ---------- */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--border);
}
.mobile-tab .tab-inner{display:flex;height:60px;}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--muted);
}
.tab-item:hover{text-decoration:none;}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;}
.tab-item.active{color:var(--brand);font-weight:600;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .hero-panel{padding:32px;}
  h1,.hero-title{font-size:32px;}
}
@media (max-width:1023px){
  .header-inner{gap:12px;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .main-nav{
    display:none;
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--border);border-radius:16px;
    box-shadow:var(--shadow-lg);padding:8px;
  }
  .main-nav.open{display:flex;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:var(--brand-light);}
  .hero-panel{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:-1;}
  .hero-media img{height:260px;}
  .figure-block,.figure-block.reverse{grid-template-columns:1fr;gap:24px;}
  .figure-block.reverse .figure-media{order:0;}
  .figure-media img{height:280px;}
  .prep-grid{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding-top:64px;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .container{padding:0 16px;}
  h1,.hero-title{font-size:26px;}
  h2,.section-head h2,.cta-copy h2{font-size:22px;}
  .hero-panel{padding:22px;border-radius:20px;}
  .hero-lead{font-size:15px;}
  .hero-stat{padding:0 16px;}
  .hero-stat strong{font-size:20px;}
  .hero-actions .btn{width:100%;min-height:48px;}
  .figure-body h3{font-size:19px;}
  .figure-media img{height:220px;}
  .prep-panel{padding:24px;border-radius:20px;}
  .cta-panel{padding:24px;border-radius:20px;}
  .section{padding-top:48px;}
  .site-footer{margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .mobile-tab{display:block;}
  .figure-stack{gap:48px;}
}
@media (max-width:479px){
  .hero-stat{padding:0 12px;}
  h1,.hero-title{font-size:23px;}
}

/* roulang page: category3 */
:root{
  --blue:#1456B8;
  --blue-d:#0E3E86;
  --blue-l:#E8F0FE;
  --green:#6DBE45;
  --green-d:#4E9A2E;
  --green-l:#EDF7E3;
  --green-bg:#F1F7EA;
  --orange:#FF7A45;
  --ink:#0F1B2D;
  --text:#44506B;
  --muted:#8A94A6;
  --line:#E3EAF3;
  --white:#FFFFFF;
  --bg:#F6F9FD;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-cta:24px;
  --r-pill:999px;
  --sh-sm:0 1px 3px rgba(16,42,86,.06);
  --sh-md:0 2px 8px rgba(16,42,86,.08);
  --sh-lg:0 10px 24px rgba(16,42,86,.10);
  --font:-apple-system,"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);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--blue);text-decoration:none;transition:color .18s ease;}
a:hover{text-decoration:underline;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:600;}
p{margin:0;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
  position:relative;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:18px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{text-decoration:none;color:var(--blue-d);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue) 0%,var(--blue-d) 100%);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
  flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;}
.brand-text small{
  font-size:11px;
  font-weight:600;
  color:var(--green-d);
  margin-left:6px;
  padding:2px 7px;
  border-radius:var(--r-pill);
  background:var(--green-l);
  vertical-align:2px;
  letter-spacing:.5px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--text);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--blue);text-decoration:none;}
.nav-link.active{color:var(--blue);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:0;
  height:2px;border-radius:2px;
  background:var(--green);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:var(--r-btn);
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:11px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
  cursor:pointer;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--blue);color:var(--white);}
.btn-primary:hover{background:#1150ac;color:var(--white);}
.btn-outline{background:var(--white);color:var(--blue);border-color:var(--blue);}
.btn-outline:hover{background:var(--blue-l);color:var(--blue-d);}
.btn-ghost{background:transparent;color:var(--blue);padding:8px 4px;}
.btn-ghost:hover{text-decoration:underline;}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 4px;font-size:13px;color:var(--muted);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#C6CFDD;}
.breadcrumb a{color:var(--text);}
.breadcrumb a:hover{color:var(--blue);}
.breadcrumb .current{color:var(--blue);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  padding:26px 0 72px;
}
.hero-panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-cta);
  box-shadow:var(--sh-md);
  overflow:hidden;
  display:grid;
  grid-template-columns:7fr 5fr;
  align-items:stretch;
}
.hero-copy{padding:48px 44px 44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1px;
  color:var(--green-d);
  background:var(--green-l);
  padding:5px 12px;
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--green);display:block;}
.hero h1{font-size:38px;font-weight:700;color:var(--ink);line-height:1.28;letter-spacing:.2px;}
.hero h1 .hl{color:var(--blue);}
.hero-sub{
  margin-top:16px;
  font-size:18px;
  color:var(--text);
}
.hero-lead{
  margin-top:14px;
  max-width:640px;
  font-size:15px;
  color:var(--text);
}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-meta{
  margin-top:26px;
  display:flex;flex-wrap:wrap;gap:8px;
}
.chip{
  font-size:13px;
  color:var(--blue);
  background:var(--blue-l);
  padding:5px 12px;
  border-radius:var(--r-pill);
}
.hero-visual{
  position:relative;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  min-height:340px;
}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,62,134,.10),rgba(14,62,134,.42));
}
.hero-visual .float-card{
  position:absolute;
  left:24px;right:24px;bottom:24px;
  background:rgba(255,255,255,.94);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--sh-lg);
  z-index:2;
}
.float-card h3{font-size:16px;margin-bottom:8px;}
.float-card ul{display:grid;gap:6px;}
.float-card li{font-size:13.5px;color:var(--text);display:flex;gap:8px;align-items:flex-start;}
.float-card li::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--green);
  margin-top:9px;flex:0 0 auto;
}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:var(--white);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:30px;
  font-weight:600;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;
  background:var(--green);
}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text);}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:21px;top:12px;bottom:24px;
  width:2px;
  background:linear-gradient(180deg,var(--blue) 0%,var(--green) 100%);
  opacity:.28;
  border-radius:2px;
}
.tl-item{position:relative;padding-left:72px;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;
  width:44px;height:44px;
  border-radius:14px;
  background:var(--white);
  border:1px solid var(--line);
  color:var(--blue);
  font-size:18px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
}
.tl-item:first-child .tl-num{background:var(--blue);color:var(--white);border-color:var(--blue);}
.tl-body{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
  box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.tl-body h3{font-size:19px;margin-bottom:10px;}
.tl-body p{font-size:15px;color:var(--text);}
.tl-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12.5px;
  color:var(--text);
  background:var(--bg);
  border:1px solid var(--line);
  padding:4px 10px;
  border-radius:var(--r-pill);
}
.tag.is-green{color:var(--green-d);background:var(--green-l);border-color:transparent;}
.tag.is-blue{color:var(--blue);background:var(--blue-l);border-color:transparent;}

/* ---------- 提示对照 ---------- */
.compare-list{margin-top:8px;border-top:1px solid var(--line);}
.compare-row{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.compare-row:hover{background:var(--bg);}
.compare-key{
  display:flex;gap:12px;align-items:flex-start;
  font-size:16px;color:var(--ink);font-weight:600;
}
.compare-key .dot{
  width:26px;height:26px;border-radius:9px;
  background:var(--blue-l);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.compare-key .dot svg{width:14px;height:14px;stroke:var(--blue);}
.compare-val{font-size:15px;color:var(--text);}
.compare-val strong{color:var(--ink);font-weight:600;}

/* ---------- 安全自查 ---------- */
.check-grid{
  margin-top:8px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.check-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-sm);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.check-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--green-bg);
  display:flex;align-items:center;justify-content:center;
}
.check-icon svg{width:22px;height:22px;stroke:var(--green-d);}
.check-card h3{font-size:17px;}
.check-card p{font-size:14.5px;}
.bar{
  height:6px;border-radius:var(--r-pill);
  background:var(--line);
  overflow:hidden;
}
.bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--green);}
.check-state{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.check-state b{color:var(--green-d);font-weight:600;}

/* ---------- 图文区块 ---------- */
.guide-block{
  margin-top:8px;
  display:grid;
  grid-template-columns:12fr;
  gap:24px;
}
.guide-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-cta);
  overflow:hidden;
  display:grid;
  grid-template-columns:5fr 7fr;
  align-items:stretch;
  box-shadow:var(--sh-sm);
}
.guide-card .media{position:relative;min-height:260px;}
.guide-card .media img{width:100%;height:100%;object-fit:cover;}
.guide-body{padding:32px 36px;}
.guide-body h3{font-size:22px;margin-bottom:12px;}
.guide-body p{font-size:15px;margin-bottom:14px;}
.dot-list{display:grid;gap:8px;}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:14.8px;
  color:var(--text);
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:7px;height:7px;border-radius:2px;background:var(--green);
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px;display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-md);}
.faq-item.is-open{border-color:#C9D9F2;box-shadow:var(--sh-md);}
.faq-q{margin:0;}
.faq-q button{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;
  border:0;
  padding:18px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.faq-item.is-open .faq-q button{color:var(--blue);}
.faq-icon{
  width:22px;height:22px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .22s ease;
}
.faq-icon svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a .inner{padding:0 20px 20px;font-size:15px;color:var(--text);border-top:1px dashed var(--line);padding-top:16px;margin:0 20px 20px;padding-left:0;padding-right:0;}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 80px;}
.cta-block{
  background:var(--green-bg);
  border:1px solid #DCEBCB;
  border-radius:var(--r-cta);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-block h2{font-size:26px;margin-bottom:10px;}
.cta-block p{font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#F6F9FD;
  border-top:1px solid var(--line);
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--ink);
  margin-bottom:14px;
}
.footer-brand .logo-mark{width:30px;height:30px;border-radius:9px;}
.footer-brand .logo-mark svg{width:17px;height:17px;}
.footer-desc{font-size:14px;color:var(--text);max-width:340px;}
.footer-col h3{
  font-size:15px;font-weight:600;color:var(--blue-d);
  margin-bottom:14px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text);}
.footer-col a:hover{color:var(--blue);}
.footer-col span{font-size:14px;color:var(--text);}
.footer-bottom{
  margin-top:36px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  display:none;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
}
.mobile-tab .tab-inner{
  max-width:1200px;margin:0 auto;height:60px;
  display:flex;align-items:stretch;justify-content:space-around;
}
.tab-item{
  flex:1 1 0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;
  color:var(--muted);
  line-height:1.2;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-item:hover{text-decoration:none;color:var(--blue);}
.tab-item.active{color:var(--blue);font-weight:600;}

/* ---------- 骨架与图片状态 ---------- */
.skeleton{
  background:linear-gradient(90deg,#EEF3FA 25%,#F7FAFE 37%,#EEF3FA 63%);
  background-size:400% 100%;
  animation:shimmer 1.2s ease infinite;
}
@keyframes shimmer{
  0%{background-position:100% 50%;}
  100%{background-position:0 50%;}
}
.img-fallback{background:#EDF1F7;display:flex;align-items:center;justify-content:center;}
.img-fallback svg{width:28px;height:28px;stroke:var(--muted);fill:none;stroke-width:1.6;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-copy{padding:44px 36px;}
  .hero h1{font-size:34px;}
}
@media (max-width:1023px){
  .main-nav{
    display:none;
    position:absolute;
    top:70px;left:0;right:0;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-lg);
    padding:10px;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:10px;}
  .nav-link.active{background:var(--blue-l);}
  .nav-link.active::after{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-panel{grid-template-columns:1fr;}
  .hero-visual{min-height:280px;order:-1;}
  .hero-visual .float-card{position:static;margin:24px;border-radius:var(--r-card);}
  .hero-visual::after{display:none;}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guide-card{grid-template-columns:1fr;}
  .guide-card .media{min-height:220px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .container{padding:0 16px;}
  .mobile-tab{display:block;}
  .header-inner{height:60px;gap:12px;}
  .brand{font-size:16px;}
  .brand-text small{display:none;}
  .header-actions .btn{display:none;}
  .section{padding:48px 0;}
  .hero{padding:16px 0 48px;}
  .hero-copy{padding:28px 20px 30px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;min-height:48px;}
  .section-head h2{font-size:23px;}
  .tl-item{padding-left:56px;padding-bottom:24px;}
  .timeline::before{left:17px;}
  .tl-num{width:36px;height:36px;border-radius:11px;font-size:16px;}
  .tl-body{padding:18px;}
  .compare-row{grid-template-columns:1fr;gap:10px;}
  .check-grid{grid-template-columns:1fr;}
  .guide-body{padding:24px 20px;}
  .cta-block{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;min-height:48px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .hero h1{font-size:23px;}
  .hero-meta{gap:6px;}
  .chip{font-size:12px;}
  .section-head h2{font-size:21px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}