/* roulang page: index */
:root{
  --brand:#1E4E8C;
  --brand-800:#123A6B;
  --brand-50:#EEF4FB;
  --accent:#C08A3E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#1C2430;
  --sub:#5A6675;
  --faint:#8A94A3;
  --ok:#2E7D5B;
  --warn:#C0563F;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(18,58,107,.04), 0 6px 20px rgba(18,58,107,.06);
  --shadow-hover:0 12px 28px rgba(18,58,107,.10);
  --shadow-nav:0 4px 16px rgba(18,58,107,.06);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.serif{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.container-wide{max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.tabnum{font-variant-numeric:tabular-nums;}

/* 公告条 */
.notice-bar{
  background:var(--brand-50);
  color:var(--brand);
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
  transition:height .25s ease-out, opacity .25s ease-out;
  overflow:hidden;
}
.notice-bar.is-hidden{height:0;opacity:0;}
.notice-inner{display:flex;align-items:center;gap:12px;width:100%;}
.notice-inner .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.notice-inner a{font-weight:600;border-bottom:1px solid rgba(30,78,140,.35);}
.notice-inner a:hover{border-bottom-color:var(--brand);}
.notice-close{margin-left:auto;color:var(--faint);font-size:16px;line-height:1;padding:4px 6px;border-radius:6px;}
.notice-close:hover{color:var(--brand);background:rgba(30,78,140,.08);}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.nav-inner{display:flex;align-items:center;gap:28px;height:74px;}
.logo{display:flex;align-items:baseline;gap:10px;flex:none;}
.logo-mark{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--brand);line-height:1;}
.logo-sub{font-size:12px;color:var(--sub);padding-left:10px;border-left:1px solid var(--line);line-height:1;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--sub);
  padding:8px 0;
  transition:color .2s ease-out;
}
.nav-link:hover{color:var(--brand);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:none;}
.nav-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:#8f611f;background:rgba(192,138,62,.14);
  padding:5px 12px;border-radius:999px;white-space:nowrap;
}
.nav-status i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;}
.burger{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;}
.burger span{display:block;width:18px;height:2px;background:var(--brand);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(18,58,107,.35);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform .25s ease-out;display:flex;flex-direction:column;
  box-shadow:-8px 0 32px rgba(18,58,107,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 20px 16px;border-bottom:1px solid var(--line);}
.drawer-body{padding:8px 20px 20px;overflow-y:auto;flex:1;}
.drawer-link{display:block;padding:16px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-close{font-size:22px;color:var(--faint);line-height:1;padding:4px 8px;border-radius:8px;}
.drawer-close:hover{color:var(--brand);background:var(--brand-50);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease-out, background-color .2s ease-out, box-shadow .2s ease-out, color .2s ease-out, border-color .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(30,78,140,.22);}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-2px);box-shadow:0 12px 26px rgba(30,78,140,.28);}
.btn-ghost{border:1px solid var(--brand);color:var(--brand);background:#fff;}
.btn-ghost:hover{background:var(--brand-50);transform:translateY(-2px);}
.btn-onDark{background:#fff;color:var(--brand);}
.btn-onDark:hover{background:#F2F6FC;transform:translateY(-2px);}
.btn-outlineDark{border:1px solid rgba(255,255,255,.62);color:#fff;}
.btn-outlineDark:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;}
.link-arrow i{font-style:normal;transition:transform .2s ease-out;}
.link-arrow:hover i{transform:translateX(2px);}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px;}

/* 标签徽章 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.02em;
  padding:4px 11px;border-radius:999px;
  background:var(--brand-50);color:var(--brand);
}
.tag-outline{border:1px solid var(--line);background:#fff;color:var(--sub);}
.badge-gold{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;padding:4px 11px;border-radius:999px;
  background:rgba(192,138,62,.16);color:#8f611f;
}
.badge-gold i{width:5px;height:5px;border-radius:50%;background:var(--accent);display:block;}

/* Hero */
.hero{
  position:relative;color:#fff;
  background-image:linear-gradient(102deg, rgba(18,58,107,.94) 0%, rgba(18,58,107,.80) 42%, rgba(18,58,107,.42) 100%), url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-inner{padding:100px 0 76px;max-width:740px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;
  padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);color:#EAF2FB;
}
.hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.25;font-weight:700;
  margin:22px 0 0;text-wrap:balance;
}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.88);max-width:660px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{
  display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;
  margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.22);
}
.countdown{display:flex;align-items:center;}
.countdown-cell{
  min-width:64px;padding:0 16px;text-align:center;
  border-left:1px solid rgba(255,255,255,.25);
}
.countdown-cell:first-child{border-left:0;padding-left:0;}
.countdown-num{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;}
.countdown-label{font-size:11.5px;color:rgba(255,255,255,.72);letter-spacing:.06em;}
.countdown-title{font-size:13px;color:rgba(255,255,255,.78);}
.hero-stats{display:flex;gap:30px;}
.hero-stat strong{display:block;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.72);}

/* 板块标题 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:40px;}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--accent);}
.section-title{font-size:clamp(24px,3vw,32px);margin-top:10px;font-weight:600;}
.section-desc{margin-top:12px;color:var(--sub);font-size:15px;max-width:680px;}

/* 路径流程 */
.route{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.route::before{
  content:"";position:absolute;left:0;right:0;top:34px;height:2px;
  background:linear-gradient(90deg, rgba(30,78,140,.28), rgba(192,138,62,.28));
  z-index:0;
}
.route-node{position:relative;z-index:1;}
.route-dot{
  width:68px;height:68px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--brand);font-size:17px;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-card);
}
.route-card{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card);height:100%;transition:transform .2s ease-out, box-shadow .2s ease-out;}
.route-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.route-card h3{font-size:18px;margin-bottom:8px;}
.route-card p{font-size:14px;color:var(--sub);line-height:1.8;}
.route-bar{margin-top:14px;height:4px;border-radius:99px;background:var(--brand-50);overflow:hidden;}
.route-bar em{display:block;height:100%;background:var(--brand);border-radius:99px;}
.route-bar.sand em{background:var(--accent);}
.route-bar.half em{width:56%;}
.route-bar.most em{width:78%;}
.route-bar.full em{width:100%;}

/* 合集目录 */
.collection-layout{display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:32px;align-items:start;}
.collection-nav{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.collection-item{
  display:block;width:100%;text-align:left;padding:20px 22px;
  border-bottom:1px solid var(--line);border-left:3px solid transparent;
  transition:background-color .2s ease-out, border-color .2s ease-out;
}
.collection-item:last-child{border-bottom:0;}
.collection-item:hover{background:var(--brand-50);}
.collection-item.is-active{background:var(--brand-50);border-left-color:var(--brand);}
.collection-num{font-size:13px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.collection-name{font-size:16.5px;font-weight:600;margin-top:4px;}
.collection-note{font-size:13.5px;color:var(--sub);margin-top:6px;line-height:1.7;}
.collection-count{font-size:12px;color:var(--faint);margin-top:8px;}
.collection-pane{display:none;}
.collection-pane.is-active{display:block;animation:fadeUp .28s ease-out;}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.collection-visual{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
}
.collection-figure{aspect-ratio:4/3;background:#EDF2F8;overflow:hidden;}
.collection-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.collection-visual:hover .collection-figure img{transform:scale(1.03);}
.collection-body{padding:26px 28px 28px;}
.collection-body h3{font-size:22px;margin-bottom:12px;}
.collection-body p{font-size:14.5px;color:var(--sub);line-height:1.85;}
.collection-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 20px;}

/* 最新信息 CMS */
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.latest-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.latest-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.latest-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.latest-card:hover h3{color:var(--brand);}
.latest-thumb{
  width:140px;flex:none;aspect-ratio:4/3;border-radius:var(--radius-img);
  overflow:hidden;background:#EDF2F8;
}
.latest-thumb img{width:100%;height:100%;object-fit:cover;}
.latest-body{min-width:0;display:flex;flex-direction:column;}
.latest-body h3{
  font-size:16.5px;line-height:1.5;transition:color .2s ease-out;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.latest-body p{
  margin-top:8px;font-size:13.5px;color:var(--sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.latest-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.latest-meta time{font-size:12.5px;color:var(--faint);font-variant-numeric:tabular-nums;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;color:var(--sub);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;border:1px solid var(--line);
  margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--brand);
}

/* 精选条目 */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.feature-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.feature-main .figure{aspect-ratio:16/9;background:#EDF2F8;overflow:hidden;}
.feature-main .figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.feature-main:hover .figure img{transform:scale(1.03);}
.feature-text{padding:24px 26px 26px;}
.feature-text h3{font-size:21px;margin:12px 0 10px;}
.feature-text p{font-size:14.5px;color:var(--sub);line-height:1.85;}
.feature-side{display:grid;grid-template-rows:repeat(3,1fr);gap:24px;}
.feature-mini{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.feature-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.feature-mini:hover h4{color:var(--brand);}
.feature-mini .thumb{width:104px;flex:none;aspect-ratio:1/1;border-radius:var(--radius-img);overflow:hidden;background:#EDF2F8;}
.feature-mini .thumb img{width:100%;height:100%;object-fit:cover;}
.feature-mini h4{font-size:15.5px;line-height:1.5;transition:color .2s ease-out;}
.feature-mini p{font-size:13px;color:var(--sub);margin-top:6px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* 相关推荐横向带 */
.scroll-strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(236px,1fr);gap:20px;
  overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;
}
.scroll-strip::-webkit-scrollbar{height:8px;}
.scroll-strip::-webkit-scrollbar-track{background:var(--brand-50);border-radius:99px;}
.scroll-strip::-webkit-scrollbar-thumb{background:#C4D3E6;border-radius:99px;}
.strip-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.strip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.strip-card .thumb{aspect-ratio:4/3;background:#EDF2F8;overflow:hidden;}
.strip-card .thumb img{width:100%;height:100%;object-fit:cover;}
.strip-body{padding:16px 18px 18px;}
.strip-body h4{font-size:15.5px;line-height:1.55;}
.strip-body .tag{margin-top:12px;}

/* 数据与信任 */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.trust-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
}
.trust-card strong{display:block;font-size:30px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.trust-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--sub);line-height:1.75;}
.divider-soft{height:1px;background:var(--line);margin:34px 0;}
.quote-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);
  border-radius:var(--radius-card);padding:22px 24px;
}
.quote p{font-size:14.5px;color:var(--text);line-height:1.85;}
.quote footer{margin-top:14px;font-size:13px;color:var(--faint);}

/* 收藏分享 CTA */
.share-band{
  background:var(--brand-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.share-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:52px 0;}
.share-inner h2{font-size:clamp(20px,2.4vw,26px);}
.share-inner p{color:var(--sub);font-size:14.5px;margin-top:10px;max-width:560px;}
.share-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 表单 */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-card);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:11px 14px;font-size:14.5px;transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,78,140,.12);
}
.field.has-error input{border-color:var(--warn);}
.field .err{display:none;font-size:12px;color:var(--warn);margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:12.5px;color:var(--faint);margin-top:14px;line-height:1.7;}
.form-ok{
  display:none;margin-top:16px;padding:12px 14px;border-radius:10px;
  background:rgba(46,125,91,.08);color:var(--ok);font-size:13.5px;
}
.form-ok.is-visible{display:block;}
.contact-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.contact-list li:last-child{border-bottom:0;}
.contact-list .k{width:88px;flex:none;color:var(--faint);font-size:13.5px;}
.contact-list .v{font-size:14.5px;color:var(--text);}

/* FAQ */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:16px;font-weight:600;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;color:var(--brand);
  transition:transform .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-a p{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--sub);}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:64px 0 40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--sub);line-height:1.85;max-width:300px;}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--sub);transition:color .2s ease-out;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:var(--faint);
}

/* 响应式 */
@media (max-width:1024px){
  .nav-links,.nav-status{display:none;}
  .burger{display:flex;}
  .nav-inner{height:66px;}
  .hero-inner{padding:72px 0 60px;}
  .hero-meta{grid-template-columns:1fr;gap:22px;}
  .route{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .route::before{display:none;}
  .collection-layout{grid-template-columns:1fr;}
  .latest-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{grid-template-rows:none;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .quote-row{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .container,.container-wide{padding:0 18px;}
  .hero h1{font-size:28px;}
  .hero-stats{flex-wrap:wrap;gap:20px;}
  .countdown-cell{min-width:56px;padding:0 12px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .latest-card{flex-direction:column;}
  .latest-thumb{width:100%;aspect-ratio:16/9;}
  .share-inner{flex-direction:column;align-items:flex-start;padding:40px 0;}
  .share-actions{width:100%;}
  .share-actions .btn{flex:1;}
  .footer-top{grid-template-columns:1fr;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 20px;}
}
@media (max-width:520px){
  .route{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .countdown-title{display:none;}
}

/* roulang page: article */
:root{
  --brand:#1E4E8C;
  --brand-800:#123A6B;
  --brand-50:#EEF4FB;
  --accent:#C08A3E;
  --accent-50:#FBF3E6;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#1C2430;
  --text-2:#5A6675;
  --text-3:#8A94A3;
  --ok:#2E7D5B;
  --warn:#C0563F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(18,58,107,.04), 0 6px 20px rgba(18,58,107,.06);
  --sh-h:0 12px 28px rgba(18,58,107,.10);
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),opacity var(--t)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(30,78,140,.16)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);box-shadow:0 4px 16px rgba(18,58,107,.06);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;background:var(--brand);color:#fff;font-weight:700;font-size:19px;letter-spacing:.02em;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
.logo-sub{font-size:13px;color:var(--text-2);letter-spacing:.04em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  border-radius:8px;font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-50)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.nav-status{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand);font-size:12px;letter-spacing:.02em;white-space:nowrap;
}
.nav-status i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(18,58,107,.12)}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-2px);box-shadow:0 10px 22px rgba(18,58,107,.18)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1px solid var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{background:var(--brand-50);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  position:relative;background:#fff;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--text);border-radius:2px;
  transform:translateX(-50%);transition:var(--t);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.nav-mask{display:none;position:fixed;inset:0;background:rgba(18,58,107,.35);z-index:55;opacity:0;transition:opacity var(--t)}
.nav-mask.is-open{display:block;opacity:1}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;background-color:var(--brand-800);background-position:center;background-size:cover;
  color:#fff;padding:52px 0 48px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb-current{max-width:46%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.92)}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.26);
  font-size:12px;letter-spacing:.02em;color:#fff;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.article-hero h1{
  font-size:clamp(26px,3.4vw,42px);line-height:1.32;font-weight:700;margin-top:16px;max-width:920px;
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;
  font-size:13px;color:rgba(255,255,255,.78);
}
.meta-row time{font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45)}
.meta-link{color:#fff;border-bottom:1px solid rgba(255,255,255,.42);padding-bottom:1px}
.meta-link:hover{color:#FFE7BC;border-color:#FFE7BC}

/* ============ 正文布局 ============ */
.article-main{padding:56px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 312px;gap:48px;align-items:start}
.article-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--text);word-wrap:break-word}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  position:relative;font-size:27px;line-height:1.4;font-weight:600;color:var(--brand-800);
  margin-top:2.2em;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:5px;height:.92em;border-radius:3px;background:var(--brand);
}
.article-body h3{font-size:21px;line-height:1.5;font-weight:600;color:var(--brand-800);margin-top:1.8em}
.article-body h4{font-size:17px;font-weight:600;margin-top:1.5em}
.article-body p{color:var(--text)}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--brand-800)}
.article-body strong{font-weight:600;color:var(--brand-800)}
.article-body blockquote{
  background:var(--brand-50);border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  padding:16px 22px;color:var(--text-2);font-size:16px;
}
.article-body blockquote p{margin:0;color:var(--text-2)}
.article-body ul{padding-left:0}
.article-body ul > li{position:relative;padding-left:22px;margin-top:.5em}
.article-body ul > li::before{
  content:"";position:absolute;left:5px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.article-body ol{counter-reset:mklist;padding-left:0}
.article-body ol > li{position:relative;padding-left:30px;margin-top:.5em;counter-increment:mklist}
.article-body ol > li::before{
  content:counter(mklist);position:absolute;left:0;top:.2em;width:20px;height:20px;border-radius:6px;
  background:var(--brand-50);color:var(--brand);font-size:12px;font-weight:600;line-height:20px;text-align:center;
}
.article-body img{border-radius:12px;width:100%;margin:1.4em auto 0;background:#EEF2F8}
.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 table{width:100%;border-collapse:collapse;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.article-body thead{background:var(--brand-50)}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ============ 侧栏 ============ */
.article-side{position:relative}
.side-sticky{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh);
}
.side-card h3{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand-800);margin-bottom:14px;
}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--accent);display:block}
.toc a{
  display:block;padding:7px 10px;border-left:2px solid var(--line);border-radius:0 8px 8px 0;
  font-size:14px;color:var(--text-2);line-height:1.6;
}
.toc a:hover{color:var(--brand);background:var(--brand-50)}
.toc a.is-current{color:var(--brand);border-left-color:var(--brand);background:var(--brand-50);font-weight:600}
.hot-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.hot-item:last-child{border-bottom:0;padding-bottom:0}
.hot-thumb{width:66px;height:50px;border-radius:10px;overflow:hidden;flex:none;background:#EEF2F8}
.hot-thumb img{width:100%;height:100%;object-fit:cover}
.hot-item h4{font-size:14px;line-height:1.55;font-weight:600;color:var(--text)}
.hot-item:hover h4{color:var(--brand)}
.hot-item span{display:block;margin-top:4px;font-size:12px;color:var(--text-3)}

/* ============ 标记与按钮组 ============ */
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--brand-50);
  color:var(--brand);font-size:12px;letter-spacing:.02em;border:1px solid rgba(30,78,140,.08);
}
.tag-gold{background:var(--accent-50);color:#8A5F1F;border-color:rgba(192,138,62,.24)}
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line);max-width:800px;
}
.foot-tags{display:flex;flex-wrap:wrap;gap:8px}
.foot-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 相关推荐 ============ */
.section-block{padding:76px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.4;font-weight:600;color:var(--brand-800)}
.section-head p{font-size:14px;color:var(--text-2);margin-top:6px}
.rec-card{
  display:block;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);transition:box-shadow var(--t),transform var(--t);
}
.rec-card:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.rec-cover{aspect-ratio:16/9;background:#EEF2F8;overflow:hidden}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.rec-card:hover .rec-cover img{transform:scale(1.04)}
.rec-body{padding:18px 20px 22px}
.rec-body h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--text)}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12px;color:var(--text-3)}

/* ============ CTA ============ */
.cta-panel{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:var(--brand-50);border:1px solid rgba(30,78,140,.10);border-radius:20px;padding:36px 40px;
}
.cta-panel h2{font-size:clamp(20px,2.2vw,26px);line-height:1.45;font-weight:600;color:var(--brand-800)}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:660px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ FAQ ============ */
.faq-list{max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--t);
}
.faq-item:hover{box-shadow:var(--sh)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;text-align:left;color:var(--text);
}
.faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform var(--t)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:transform var(--t)}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t)}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ 空态 ============ */
.empty-state{
  max-width:660px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;box-shadow:var(--sh);
}
.empty-icon{
  width:56px;height:56px;margin:0 auto 20px;border-radius:16px;background:var(--brand-50);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;font-weight:600;color:var(--brand-800)}
.empty-state p{margin-top:12px;font-size:15px;color:var(--text-2)}
.empty-state .btn{margin-top:24px}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:#fff;border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.footer-note{margin-top:12px;font-size:13px;color:var(--text-3)}
.footer-col h3{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px}
.footer-col li{font-size:14px;line-height:2;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:48px;border-top:1px solid var(--line);padding:18px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--text-3)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);background:#fff;
    flex-direction:column;align-items:stretch;gap:0;margin-left:0;padding:88px 20px 28px;
    transform:translateX(102%);transition:transform var(--t);z-index:60;overflow-y:auto;
    box-shadow:-8px 0 28px rgba(18,58,107,.12);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{height:48px;padding:0 14px;font-size:16px;border-radius:10px}
  .nav-link.is-active{background:var(--brand-50)}
  .nav-link.is-active::after{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-status{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-side{display:none}
  .article-body{max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .logo-sub{display:none}
  .article-hero{padding:40px 0 36px}
  .article-main{padding:36px 0 0}
  .section-block{padding:52px 0 0}
  .cta-panel{padding:26px 22px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .crumb-current{max-width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#1E4E8C;
  --brand-800:#123A6B;
  --brand-50:#EEF4FB;
  --accent:#C08A3E;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --line:#E3E9F2;
  --text:#1C2430;
  --text-2:#5A6675;
  --text-3:#8A94A3;
  --ok:#2E7D5B;
  --warn:#C0563F;
  --radius-lg:16px;
  --radius-md:12px;
  --shadow-1:0 1px 2px rgba(18,58,107,.04),0 6px 20px rgba(18,58,107,.06);
  --shadow-2:0 12px 28px rgba(18,58,107,.10);
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(18,58,107,.06);background:#fff}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  font-weight:700;font-size:18px;letter-spacing:.06em;
  padding:6px 12px;border-radius:11px;line-height:1.2;
  box-shadow:0 6px 14px rgba(30,78,140,.22);
}
.logo-sub{font-size:14px;color:var(--text-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:15px;color:var(--text-2);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-50)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--brand);background:var(--brand-50);
  border:1px solid #D8E6F6;padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.nav-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:#fff;border-radius:11px;position:relative;cursor:pointer;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:11px;width:20px;height:2px;background:var(--brand);border-radius:2px;
  transition:transform .2s ease-out;
}
.burger span{top:20px}
.burger span::before{content:"";left:0;top:-6px}
.burger span::after{content:"";left:0;top:6px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,58,107,.35);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:60;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);
  background:#fff;z-index:61;padding:20px;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  transform:translateX(100%);transition:transform .25s ease-out;
  box-shadow:-12px 0 32px rgba(18,58,107,.12);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-link{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2)}
.drawer-link:hover{background:var(--brand-50);color:var(--brand)}
.drawer-link.is-active{background:var(--brand-50);color:var(--brand);font-weight:600}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;color:var(--text-2);font-size:18px;line-height:1;
}
.drawer-cta{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}
body.nav-open{overflow:hidden}
body.nav-open .drawer{transform:none}
body.nav-open .drawer-mask{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(30,78,140,.18)}
.btn-primary:hover{background:var(--brand-800);transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,58,107,.22)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:#BFD5EE;color:var(--brand)}
.btn-outline:hover{background:var(--brand-50);border-color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:9px}
.btn-block{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:76px 0 64px;
  background-image:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 52%,rgba(247,249,252,.72) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:860px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent);letter-spacing:.06em;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.page-title{
  font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;
  margin:16px 0 16px;letter-spacing:-.01em;
}
.hero-lead{font-size:17px;color:var(--text-2);max-width:62ch}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.tag{
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
}
.tag-brand{background:var(--brand-50);border-color:#D8E6F6;color:var(--brand)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:40px;max-width:860px}
.stat-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  box-shadow:var(--shadow-1);
}
.stat-num{font-size:22px;font-weight:700;color:var(--brand)}
.stat-label{font-size:13px;color:var(--text-2);margin-top:4px}

/* ---------- main layout ---------- */
.layout-anchor{
  display:grid;grid-template-columns:250px minmax(0,1fr);
  gap:44px;align-items:start;padding:72px 0 0;
}
.anchor-nav{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-1);
}
.anchor-nav h2{
  font-size:12px;font-weight:600;color:var(--text-3);
  letter-spacing:.08em;margin:0 0 12px;
}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;
  color:var(--text-2);border-left:3px solid transparent;
}
.anchor-nav a:hover{background:var(--brand-50);color:var(--brand)}
.anchor-nav a.is-current{background:var(--brand-50);color:var(--brand);border-left-color:var(--brand);font-weight:600}
.anchor-nav .anchor-foot{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);
}
.anchor-nav .anchor-foot a{
  display:inline-flex;border-left:0;padding:6px 0;color:var(--brand);font-weight:600;font-size:13px;
}
.anchor-nav .anchor-foot a:hover{background:none;text-decoration:underline;text-underline-offset:4px}

.section-block{margin-bottom:64px;scroll-margin-top:96px}
.section-block:last-child{margin-bottom:0}
.section-title{font-size:26px;line-height:1.35;font-weight:700;margin:12px 0 14px}
.section-lead{font-size:16px;color:var(--text-2);max-width:66ch}

.media-row{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin-top:26px}
.media-figure{
  border-radius:var(--radius-lg);overflow:hidden;background:#EDF2F8;
  box-shadow:var(--shadow-1);aspect-ratio:4/3;
}
.media-figure img{width:100%;height:100%;object-fit:cover}
.media-row.reverse .media-figure{order:2}
.media-caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}

.list-check{list-style:none;padding:0;display:grid;gap:12px;margin-top:20px}
.list-check li{position:relative;padding-left:24px;font-size:15px;color:var(--text-2);line-height:1.8}
.list-check li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;
  border-radius:50%;background:var(--brand);opacity:.85;
}
.list-check li strong{color:var(--text);font-weight:600}

.table-wrap{
  margin-top:24px;overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
}
table.plan{width:100%;border-collapse:collapse;min-width:660px}
.plan thead th{
  background:var(--brand-50);color:var(--brand-800);font-weight:600;font-size:14px;
  text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.plan td{padding:15px 18px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2)}
.plan tbody tr:nth-child(even){background:#FAFCFE}
.plan tbody tr:last-child td{border-bottom:0}
.plan td strong{color:var(--text);font-weight:600}
.plan-note{font-size:13px;color:var(--text-3);margin-top:12px}

.steps{display:grid;gap:14px;margin-top:26px}
.step{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step-num{font-size:20px;font-weight:700;color:var(--brand)}
.step h3{font-size:17px;font-weight:600;margin:0 0 6px}
.step p{font-size:15px;color:var(--text-2)}
.step-time{
  display:inline-block;font-size:12px;color:#8A611F;background:#FBF4E9;
  border:1px solid #EBD9BB;border-radius:999px;padding:3px 10px;margin-bottom:8px;
}

.pick-list{display:grid;gap:18px;margin-top:26px}
.pick{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.pick:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.pick-thumb{aspect-ratio:4/3;border-radius:var(--radius-md);overflow:hidden;background:#EDF2F8}
.pick-thumb img{width:100%;height:100%;object-fit:cover}
.pick h3{font-size:18px;font-weight:600;margin:8px 0 8px}
.pick p{font-size:15px;color:var(--text-2);margin-bottom:12px}
.pick-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.badge-gold{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:#FBF4E9;border:1px solid #EBD9BB;color:#8A611F;
}
.badge-blue{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--brand-50);border:1px solid #D8E6F6;color:var(--brand);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow span{transition:transform .2s ease-out}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover span{transform:translateX(2px)}

.quote-band{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:34px 36px;box-shadow:var(--shadow-1);margin-top:26px;
}
.quote-text{font-size:18px;line-height:1.85;color:var(--text);margin:0 0 16px}
.quote-author{font-size:14px;color:var(--text-3)}

.faq{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);margin-top:24px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  color:var(--brand);display:grid;place-items:center;font-size:14px;line-height:1;
  transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand-50);border-color:#D8E6F6}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

.cta-band{
  background:var(--brand-50);border:1px solid #DCE8F6;border-radius:20px;
  padding:40px;display:grid;grid-template-columns:minmax(0,1fr) 380px;
  gap:36px;align-items:start;margin-top:8px;scroll-margin-top:96px;
}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700;margin-bottom:14px}
.cta-band p{font-size:16px;color:var(--text-2);max-width:52ch}
.cta-points{list-style:none;padding:0;display:grid;gap:10px;margin-top:20px}
.cta-points li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:10px;width:10px;height:2px;background:var(--accent);border-radius:2px;
}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-1)}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:15px;color:var(--text);font-family:inherit;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{resize:vertical;min-height:88px}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,78,140,.12)}
.form-note{font-size:12px;color:var(--text-3);margin-top:10px;line-height:1.7}
.form-msg{display:none;margin-top:12px;font-size:14px;color:var(--ok);line-height:1.7}
.form-msg.show{display:block}

/* ---------- footer ---------- */
.site-footer{background:#fff;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}
.site-footer h4{font-size:14px;font-weight:600;color:var(--brand);margin:0 0 14px}
.site-footer ul{list-style:none;padding:0;display:grid;gap:9px}
.site-footer ul a{font-size:14px;color:var(--text-2)}
.site-footer ul a:hover{color:var(--brand)}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;max-width:36ch}
.footer-contact p{font-size:14px;color:var(--text-2);line-height:1.9}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  border-top:1px solid var(--line);margin-top:44px;padding:18px 0 22px;
  font-size:12px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links,.nav-status{display:none}
  .burger{display:block}
  .layout-anchor{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:48px}
  .anchor-nav{
    position:static;display:flex;flex-wrap:nowrap;gap:8px;padding:12px;
    overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .anchor-nav h2{display:none}
  .anchor-nav a{
    flex:none;padding:8px 14px;border-radius:999px;border-left:0;
    background:var(--bg);border:1px solid var(--line);scroll-snap-align:start;
  }
  .anchor-nav a.is-current{background:var(--brand-50);border-color:#D8E6F6}
  .anchor-nav .anchor-foot{display:none}
  .media-row{grid-template-columns:minmax(0,1fr);gap:20px}
  .media-row.reverse .media-figure{order:0}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .page-hero{padding:52px 0 44px}
  .stat-row{grid-template-columns:minmax(0,1fr);gap:12px}
  .section-title{font-size:22px}
  .section-block{margin-bottom:52px}
  .pick{grid-template-columns:minmax(0,1fr);padding:14px}
  .step{grid-template-columns:minmax(0,1fr);gap:10px;padding:18px}
  .quote-band{padding:24px}
  .quote-text{font-size:16px}
  .cta-band h2{font-size:22px}
  .site-footer{margin-top:64px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .logo-sub{display:none}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
    --brand:#1E4E8C;
    --brand-800:#123A6B;
    --brand-50:#EEF4FB;
    --accent:#C08A3E;
    --accent-50:#F8F1E6;
    --bg:#F7F9FC;
    --card:#FFFFFF;
    --line:#E3E9F2;
    --text:#1C2430;
    --text-2:#5A6675;
    --text-3:#8A94A3;
    --ok:#2E7D5B;
    --warn:#C0563F;
    --radius:16px;
    --radius-sm:10px;
    --shadow-1:0 1px 2px rgba(18,58,107,.04), 0 6px 20px rgba(18,58,107,.06);
    --shadow-2:0 12px 28px rgba(18,58,107,.10);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;scroll-padding-top:130px;}
  body{
    margin:0;background:var(--bg);color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
    font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea,select{font:inherit;}
  button{cursor:pointer;background:none;border:0;}
  h1,h2,h3,h4{margin:0;line-height:1.35;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .serif-cn{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;}

  /* ---------- 公告条 ---------- */
  .announce{background:var(--brand-50);color:var(--brand);font-size:13px;}
  .announce-inner{display:flex;align-items:center;gap:12px;min-height:36px;}
  .announce-inner a{font-weight:600;text-decoration:underline;text-underline-offset:4px;}
  .announce-close{margin-left:auto;color:var(--text-3);font-size:16px;line-height:1;padding:4px 6px;border-radius:6px;transition:color .2s ease-out,background .2s ease-out;}
  .announce-close:hover{color:var(--brand);background:#fff;}
  .announce.is-hidden{display:none;}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;
  }
  .site-header.is-stuck{box-shadow:0 4px 16px rgba(18,58,107,.06);}
  .nav-inner{display:flex;align-items:center;gap:24px;height:68px;}
  .logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0;}
  .logo-mark{font-size:24px;font-weight:800;color:var(--brand);letter-spacing:.01em;}
  .logo-sub{font-size:12px;color:var(--text-3);letter-spacing:.02em;}
  .nav-links{display:flex;align-items:center;gap:22px;}
  .nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .2s ease-out;}
  .nav-link:hover{color:var(--brand);}
  .nav-link.is-active{color:var(--brand);font-weight:600;}
  .nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--brand);border-radius:2px;}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
  .nav-status{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--brand);
    background:var(--brand-50);border-radius:999px;padding:5px 12px;white-space:nowrap;
  }
  .nav-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;}
  .burger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;transition:border-color .2s ease-out;}
  .burger:hover{border-color:var(--brand);}
  .burger span{display:block;position:relative;width:18px;height:2px;background:var(--brand-800);}
  .burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-800);}
  .burger span::before{top:-6px;}
  .burger span::after{top:6px;}

  .drawer-mask{position:fixed;inset:0;background:rgba(18,58,107,.35);opacity:0;pointer-events:none;transition:opacity .2s ease-out;z-index:70;}
  .drawer-mask.open{opacity:1;pointer-events:auto;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:80;
    transform:translateX(100%);transition:transform .25s ease-out;display:flex;flex-direction:column;
    padding:20px 22px 26px;box-shadow:-10px 0 30px rgba(18,58,107,.12);
  }
  .drawer.open{transform:none;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .drawer-close{font-size:22px;line-height:1;color:var(--text-3);padding:4px 8px;border-radius:8px;}
  .drawer-close:hover{color:var(--brand);background:var(--brand-50);}
  .drawer-links{display:flex;flex-direction:column;padding:14px 0;gap:2px;}
  .drawer-links a{padding:12px 4px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);}
  .drawer-links a.is-active{color:var(--brand);font-weight:600;}
  .drawer-foot{margin-top:auto;padding-top:18px;}
  body.lock{overflow:hidden;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-sm);font-size:15px;font-weight:600;padding:11px 22px;
    transition:all .2s ease-out;border:1px solid transparent;white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#fff;}
  .btn-primary:hover{background:var(--brand-800);transform:translateY(-2px);box-shadow:var(--shadow-2);}
  .btn-ghost{border-color:var(--brand);color:var(--brand);background:#fff;}
  .btn-ghost:hover{background:var(--brand-50);transform:translateY(-2px);}
  .btn-sm{padding:9px 18px;font-size:14px;}
  .btn-block{width:100%;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;}
  .link-arrow .arw{transition:transform .2s ease-out;}
  .link-arrow:hover .arw{transform:translateX(3px);}
  .link-arrow:hover{text-decoration:underline;text-underline-offset:4px;}

  /* ---------- 标签 / 徽章 ---------- */
  .tag{
    display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;
    padding:5px 12px;background:var(--brand-50);color:var(--brand);border:1px solid #DCE8F6;
    letter-spacing:.02em;
  }
  .tag-accent{background:var(--accent-50);color:#8E6425;border-color:#EBD9BC;}
  .badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;display:inline-block;}

  /* ---------- Hero ---------- */
  .page-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line);}
  .page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.22;}
  .page-hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.88) 0%,rgba(247,249,252,.96) 62%,#F7F9FC 100%);}
  .page-hero-inner{position:relative;z-index:2;padding:44px 0 52px;}
  .crumb{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
  .crumb a:hover{color:var(--brand);}
  .crumb .now{color:var(--brand);}
  .hero-h1{font-size:clamp(28px,3.6vw,42px);font-weight:700;letter-spacing:-.01em;margin:18px 0 14px;}
  .hero-lead{max-width:720px;font-size:17px;line-height:1.8;color:var(--text-2);}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
  .hero-metrics{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
  .metric-num{font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
  .metric-label{font-size:13px;color:var(--text-3);margin-top:2px;}

  /* ---------- 锚点标签导航 ---------- */
  .anchor-bar{position:sticky;top:68px;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);}
  .anchor-list{display:flex;gap:8px;overflow-x:auto;padding:12px 24px;max-width:1200px;margin:0 auto;scrollbar-width:none;}
  .anchor-list::-webkit-scrollbar{display:none;}
  .anchor-link{white-space:nowrap;font-size:14px;color:var(--text-2);padding:7px 15px;border-radius:999px;border:1px solid transparent;transition:all .2s ease-out;}
  .anchor-link:hover{background:var(--brand-50);color:var(--brand);}
  .anchor-link.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

  /* ---------- 板块 ---------- */
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .section-white{background:#fff;}
  .section-head{max-width:760px;margin-bottom:44px;}
  .eyebrow{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.12em;}
  .section-title{font-size:clamp(23px,2.4vw,31px);font-weight:600;margin:12px 0 14px;}
  .section-desc{font-size:16px;color:var(--text-2);line-height:1.85;}

  /* ---------- 宽幅图文带 ---------- */
  .band{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
  .band.reverse .band-media{order:2;}
  .band-media{border-radius:var(--radius);overflow:hidden;background:#EAEFF6;box-shadow:var(--shadow-1);aspect-ratio:4/3;}
  .band-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .band-media:hover img{transform:scale(1.03);}
  .band h3{font-size:22px;font-weight:600;margin-bottom:14px;}
  .band p{color:var(--text-2);line-height:1.85;margin-bottom:14px;}
  .check-list{margin-top:18px;display:grid;gap:10px;}
  .check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7;}
  .check-list li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;background:var(--brand-50);border:1px solid #CBDFF4;box-shadow:inset 0 0 0 3px #fff;}

  /* ---------- 对照表 ---------- */
  .table-scroll{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);}
  table.compare{width:100%;min-width:820px;border-collapse:collapse;font-size:14.5px;}
  table.compare thead th{
    background:var(--brand-50);color:var(--brand-800);font-weight:600;text-align:left;
    padding:15px 20px;font-size:14px;white-space:nowrap;border-bottom:1px solid var(--line);
  }
  table.compare tbody td{padding:15px 20px;border-top:1px solid var(--line);color:var(--text-2);vertical-align:top;}
  table.compare tbody tr:nth-child(even){background:#FBFCFE;}
  table.compare tbody td:first-child{color:var(--text);font-weight:600;white-space:nowrap;}
  .table-note{font-size:13px;color:var(--text-3);margin-top:14px;}

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;margin-top:40px;}
  .timeline::before{content:"";position:absolute;left:19px;top:8px;bottom:14px;width:2px;background:var(--line);}
  .step{position:relative;padding-left:66px;padding-bottom:32px;}
  .step:last-child{padding-bottom:0;}
  .step-num{
    position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:#fff;
    border:2px solid var(--brand);color:var(--brand);font-weight:700;font-size:15px;
    display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
  }
  .step h4{font-size:17px;font-weight:600;margin-bottom:6px;}
  .step p{font-size:15px;color:var(--text-2);line-height:1.8;}
  .step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}

  /* ---------- 场景标签 ---------- */
  .scene-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
  .scene-tag{
    font-size:14px;padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);
    color:var(--text-2);transition:all .2s ease-out;
  }
  .scene-tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-50);transform:translateY(-2px);}
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
  .scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out;}
  .scene-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
  .scene-card h4{font-size:17px;font-weight:600;margin-bottom:8px;}
  .scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}

  /* ---------- 精选条目（横向大图条目） ---------- */
  .feature-item{
    display:grid;grid-template-columns:300px 1fr;gap:28px;align-items:center;background:#fff;
    border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:20px;
    box-shadow:var(--shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
  }
  .feature-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
  .feature-media{aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:#EAEFF6;}
  .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
  .feature-item:hover .feature-media img{transform:scale(1.04);}
  .feature-body h4{font-size:19px;font-weight:600;margin-bottom:10px;transition:color .2s ease-out;}
  .feature-item:hover .feature-body h4{color:var(--brand);}
  .feature-body p{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:14px;}
  .feature-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:900px;}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease-out;}
  .faq-item:hover{box-shadow:var(--shadow-1);}
  .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);}
  .faq-icon{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--brand-50);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;transition:transform .2s ease-out;}
  .faq-item.open .faq-icon{transform:rotate(180deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease-out;}
  .faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

  /* ---------- CTA ---------- */
  .cta-band{background:var(--brand-50);border:1px solid #DCE8F6;border-radius:20px;padding:40px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
  .cta-band h3{font-size:24px;font-weight:600;margin-bottom:10px;}
  .cta-band p{font-size:15px;color:var(--text-2);max-width:620px;line-height:1.85;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:#fff;border-top:1px solid var(--line);margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 40px;}
  .footer-title{font-size:14px;font-weight:600;color:var(--brand);margin-bottom:16px;}
  .footer-text{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
  .footer-links{display:grid;gap:10px;}
  .footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease-out;}
  .footer-links a:hover{color:var(--brand);}
  .footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:var(--text-3);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .nav-links{display:none;}
    .nav-status{display:none;}
    .burger{display:flex;}
    .band{grid-template-columns:1fr;gap:28px;}
    .band.reverse .band-media{order:0;}
    .scene-grid{grid-template-columns:repeat(2,1fr);}
    .feature-item{grid-template-columns:240px 1fr;gap:22px;}
    .anchor-bar{top:68px;}
  }
  @media (max-width:768px){
    .section{padding:60px 0;}
    .section-tight{padding:48px 0;}
    .page-hero-inner{padding:32px 0 40px;}
    .hero-metrics{gap:24px;}
    .feature-item{grid-template-columns:1fr;}
    .cta-band{padding:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 32px;}
    .logo-sub{display:none;}
  }
  @media (max-width:520px){
    .container{padding:0 18px;}
    .scene-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .hero-cta .btn{width:100%;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
  }