/* roulang page: index */
:root{
  --primary:#0E5F8A;
  --primary-dark:#0A4A6D;
  --primary-soft:rgba(14,95,138,.08);
  --primary-light:#7FB6D6;
  --accent:#E8A33D;
  --success:#1F9E6E;
  --danger:#D9534F;
  --bg:#F4F7FA;
  --surface:#FFFFFF;
  --tint:#EDF3F8;
  --line:#DEE6ED;
  --text:#101820;
  --text-2:#55636F;
  --text-3:#8A97A3;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 1px 3px rgba(16,24,32,.05),0 6px 18px rgba(16,24,32,.05);
  --sh-2:0 12px 30px rgba(14,95,138,.12);
  --sh-3:0 24px 60px rgba(16,24,32,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:96px;
}
*,*::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","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec-y) 0;}
.section--tint{background:var(--tint);}
.section--white{background:var(--surface);}
section[id],div[id]{scroll-margin-top:120px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--primary);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary-dark);box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn--block{width:100%;}
.btn--sm{min-height:42px;padding:0 18px;font-size:14px;}

/* ---------- 标签 / 徽章 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12.5px;
  line-height:1.6;
  font-weight:500;
  white-space:nowrap;
}
.pill--accent{background:rgba(232,163,61,.14);color:#9C6612;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
}
.badge i{color:var(--primary);font-size:15px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(16,24,32,.04);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--primary);
  display:flex;align-items:center;justify-content:center;
  position:relative;
  flex:0 0 auto;
}
.brand-mark::before{
  content:"";
  width:14px;height:14px;
  border-top:2.5px solid #fff;
  border-right:2.5px solid #fff;
  transform:rotate(45deg) translate(-2px,2px);
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:11px;top:50%;
  width:16px;height:2.5px;
  background:#fff;
  transform:translateY(-50%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:600;color:var(--text);letter-spacing:.3px;}
.brand-text span{font-size:12.5px;color:var(--text-3);letter-spacing:.6px;}
.nav-search{
  flex:1 1 auto;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--bg);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  border:0;background:transparent;outline:none;flex:1 1 auto;
  font-size:14.5px;color:var(--text);min-width:0;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 2px rgba(14,95,138,.12);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  color:var(--primary);
  font-size:17px;
  align-items:center;justify-content:center;
  background:#fff;
}
.nav-toggle:hover{border-color:var(--primary);}
.nav-tabs-wrap{border-top:1px solid var(--line);background:#fff;}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:56px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab-link{
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tab-link:hover{background:var(--primary-soft);color:var(--primary);}
.tab-link.is-active{background:var(--primary);color:#fff;}
.tab-link.is-active:hover{background:var(--primary-dark);color:#fff;}
.mobile-panel{
  display:none;
  padding:8px 0 18px;
  border-top:1px solid var(--line);
  background:#fff;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 4px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.is-active{color:var(--primary);font-weight:600;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;background:#fff;border-bottom:1px solid var(--line);}
.hero-inner{display:flex;flex-wrap:wrap;align-items:center;margin-left:-20px;margin-right:-20px;}
.hero-copy,.hero-visual{padding-left:20px;padding-right:20px;width:100%;}
.hero-copy h1{
  font-size:42px;
  line-height:1.32;
  margin-bottom:20px;
  letter-spacing:-.4px;
}
.hero-copy .hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:540px;
  margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:26px;}
.hero-visual{margin-top:48px;}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  aspect-ratio:16/10;
  background:var(--tint);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(14,95,138,.16);
  pointer-events:none;
}
.hero-chip{
  position:absolute;
  left:20px;bottom:20px;
  background:#fff;
  border-radius:var(--r-card);
  padding:14px 20px;
  box-shadow:var(--sh-2);
  display:flex;
  flex-direction:column;
  line-height:1.3;
  z-index:2;
}
.hero-chip strong{font-size:26px;color:var(--primary);font-weight:600;font-variant-numeric:tabular-nums;}
.hero-chip span{font-size:12.5px;color:var(--text-3);}

/* ---------- 通用板块标题 ---------- */
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-title{
  font-size:28px;
  padding-left:16px;
  position:relative;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:3px;
  border-radius:2px;
  background:var(--primary);
}
.section-desc{font-size:15px;color:var(--text-2);margin-top:10px;padding-left:16px;max-width:660px;}
.link-more{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more i{font-size:12px;transition:transform .2s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 痛点问答 ---------- */
.qa-grid{display:flex;flex-wrap:wrap;margin-left:-14px;margin-right:-14px;}
.qa-item{
  padding:0 14px;
  width:100%;
  margin-bottom:28px;
}
.qa-box{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  height:100%;
  display:flex;
  gap:16px;
  box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.qa-box:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.qa-icon{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  font-weight:600;
}
.qa-q{font-size:17px;color:var(--primary);margin-bottom:8px;font-weight:600;line-height:1.5;}
.qa-a{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- 方案卡片 ---------- */
.plan-grid{display:flex;flex-wrap:wrap;margin-left:-15px;margin-right:-15px;}
.plan-col{padding:0 15px;width:100%;}
.plan-main{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.plan-main:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.plan-num{
  font-size:34px;
  font-weight:600;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.plan-media{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--tint);
  border-bottom:1px solid var(--line);
}
.plan-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.plan-main:hover .plan-media img{transform:scale(1.03);}
.plan-body{padding:26px;display:flex;flex-direction:column;gap:16px;flex:1 1 auto;}
.plan-body h3{font-size:20px;}
.plan-body p{font-size:15px;color:var(--text-2);}
.plan-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
  font-size:14.5px;
  color:var(--text-2);
}
.plan-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
}
.plan-stack{display:flex;flex-direction:column;gap:30px;height:100%;}
.plan-wide{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-wrap:wrap;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
  flex:1 1 auto;
}
.plan-wide:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.plan-wide-media{
  width:100%;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--tint);
}
.plan-wide-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.plan-wide:hover .plan-wide-media img{transform:scale(1.03);}
.plan-wide-body{padding:24px;display:flex;flex-direction:column;gap:10px;justify-content:center;flex:1 1 auto;}
.plan-wide-body h3{font-size:19px;}
.plan-wide-body p{font-size:14.5px;color:var(--text-2);}

/* ---------- 数据条 ---------- */
.stats{display:flex;flex-wrap:wrap;}
.stat{
  width:50%;
  padding:26px 20px;
  text-align:center;
  border-right:1px solid rgba(14,95,138,.14);
  border-bottom:1px solid rgba(14,95,138,.14);
}
.stat:nth-child(2n){border-right:0;}
.stat:nth-child(n+3){border-bottom:0;}
.stat strong{
  display:block;
  font-size:40px;
  font-weight:600;
  color:var(--primary);
  line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.stat span{display:block;font-size:14px;color:var(--text-2);margin-top:6px;font-weight:500;}
.stat em{display:block;font-size:12.5px;color:var(--text-3);font-style:normal;margin-top:2px;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:flex;flex-wrap:wrap;margin-left:-14px;margin-right:-14px;}
.news-cell{padding:0 14px;width:100%;margin-bottom:30px;}
.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.news-media{
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--tint);
  border-bottom:1px solid var(--line);
}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.news-title{
  font-size:17px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--primary);}
.news-summary{
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.news-foot .go{color:var(--primary);font-size:14px;transition:transform .2s var(--ease);}
.news-card:hover .news-foot .go{transform:translateX(4px);}
.empty-state{
  min-height:240px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  text-align:center;
  padding:40px 24px;
}
.empty-state i{font-size:30px;color:var(--primary-light);}
.empty-state strong{font-size:15px;color:var(--text);}
.empty-state span{font-size:13.5px;color:var(--text-3);max-width:320px;}

/* ---------- 表单 ---------- */
.contact-grid{display:flex;flex-wrap:wrap;margin-left:-20px;margin-right:-20px;}
.contact-col{padding:0 20px;width:100%;}
.contact-points{margin-top:28px;}
.contact-points li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text-2);
}
.contact-points li:last-child{border-bottom:0;}
.contact-points i{color:var(--success);margin-top:5px;font-size:14px;}
.form-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:28px;
  margin-top:32px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:13.5px;
  color:var(--text-2);
  font-weight:500;
  margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--text);
  padding:12px 14px;
  min-height:48px;
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(14,95,138,.12);
}
.field .err{display:none;font-size:12.5px;color:var(--danger);margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.field.has-error .err{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--text-3);line-height:1.7;margin:4px 0 18px;}
.consent input{width:16px;height:16px;min-height:0;margin-top:4px;flex:0 0 auto;accent-color:var(--primary);}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;text-align:center;}
.form-success{
  display:none;
  background:rgba(31,158,110,.08);
  border:1px solid rgba(31,158,110,.3);
  color:#177952;
  border-radius:var(--r-btn);
  padding:14px 16px;
  font-size:14px;
  margin-top:16px;
}
.form-success.is-show{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--tint);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:36px 32px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  margin-top:56px;
}
.cta-band h3{font-size:21px;margin-bottom:6px;}
.cta-band p{font-size:14.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.is-open{background:var(--tint);border-color:rgba(14,95,138,.24);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:62px;
  padding:16px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:transparent;
}
.faq-q:hover{color:var(--primary);}
.faq-q .ico{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}

/* ---------- 页脚 ---------- */
.site-footer{background:#101820;color:#A9B6C1;padding:72px 0 0;}
.footer-grid{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px;}
.footer-col{padding:0 16px;width:100%;margin-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary-light);}
.footer-brand .brand-mark::before,.footer-brand .brand-mark::after{border-color:#101820;background-color:#101820;}
.footer-brand .brand-mark::after{background:#101820;}
.footer-brand b{font-size:16px;color:#fff;font-weight:600;}
.footer-brand span{display:block;font-size:12.5px;color:#7C8A96;}
.footer-desc{font-size:14px;line-height:1.85;color:#8C9AA6;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:#A9B6C1;}
.footer-col ul a:hover{color:var(--primary-light);}
.footer-contact li{font-size:14px;color:#A9B6C1;margin-bottom:11px;display:flex;gap:10px;}
.footer-contact i{color:var(--primary-light);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#7C8A96;
}
.footer-bottom a{color:#A9B6C1;}
.footer-bottom a:hover{color:var(--primary-light);}

/* ---------- 弹层 ---------- */
.reveal.entry-modal{
  max-width:520px;
  border-radius:var(--r-lg);
  padding:32px 28px 28px;
  box-shadow:var(--sh-3);
  border:0;
}
.entry-modal h3{font-size:20px;margin-bottom:12px;}
.entry-modal p{font-size:14.5px;color:var(--text-2);margin-bottom:22px;}
.entry-modal .modal-close{
  position:absolute;
  right:14px;top:14px;
  width:40px;height:40px;
  border-radius:10px;
  color:var(--text-3);
  font-size:16px;
}
.entry-modal .modal-close:hover{background:var(--tint);color:var(--primary);}
.reveal-overlay{background:rgba(16,24,32,.55);}

/* ---------- 响应式 ---------- */
@media screen and (min-width:640px){
  .qa-item{width:50%;}
  .news-cell{width:50%;}
  .footer-col{width:50%;}
  .stat{width:25%;border-bottom:0;border-right:1px solid rgba(14,95,138,.14);}
  .stat:nth-child(2n){border-right:1px solid rgba(14,95,138,.14);}
  .stat:nth-child(4n){border-right:0;}
  .plan-wide-media{width:38%;aspect-ratio:4/3;}
  .plan-wide-body{width:62%;}
}
@media screen and (min-width:1024px){
  .hero{padding:88px 0 104px;}
  .hero-copy{width:50%;}
  .hero-visual{width:50%;margin-top:0;}
  .hero-copy h1{font-size:44px;}
  .plan-col--main{width:41.6667%;}
  .plan-col--stack{width:58.3333%;}
  .plan-grid .plan-col--stack{margin-bottom:0;}
  .contact-col{width:50%;}
  .form-card{margin-top:0;padding:32px;}
  .news-cell{width:33.3333%;}
  .footer-col{width:25%;}
  .footer-col--brand{width:28%;}
  .footer-col--contact{width:22%;}
}
@media screen and (max-width:1023px){
  :root{--sec-y:72px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--primary{min-height:44px;padding:0 18px;font-size:14px;}
  .hero-copy h1{font-size:34px;}
  .plan-stack{margin-top:30px;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  .section-title{font-size:24px;}
  .hero-copy h1{font-size:29px;letter-spacing:0;}
  .hero-copy .hero-sub{font-size:15.5px;}
  .hero-badges{gap:16px 22px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{flex:1 1 100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .stat strong{font-size:32px;}
  .stat{padding:22px 12px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .news-cell{width:100%;}
  .qa-item{width:100%;}
  .brand-text b{font-size:15px;}
  .brand-text span{font-size:11.5px;}
  .brand-mark{width:36px;height:36px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --primary:#0E5F8A;
  --primary-dark:#0A4A6D;
  --primary-soft:rgba(14,95,138,.08);
  --accent:#E8A33D;
  --success:#1F9E6E;
  --danger:#D9534F;
  --bg:#F4F7FA;
  --surface:#FFFFFF;
  --surface-alt:#EDF3F8;
  --border:#DEE6ED;
  --text:#101820;
  --text-2:#55636F;
  --text-3:#8A97A3;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-1:0 1px 3px rgba(16,24,32,.05),0 6px 18px rgba(16,24,32,.05);
  --shadow-2:0 12px 30px rgba(14,95,138,.12);
  --shadow-3:0 24px 60px rgba(16,24,32,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,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:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--shadow-2);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--border);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.btn-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.btn-link i{transition:transform .2s var(--ease);}
.btn-link:hover i{transform:translateX(4px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 1px 3px rgba(16,24,32,.04);
}
.header-top{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--primary);
  position:relative;flex-shrink:0;
}
.brand-mark::before{
  content:"";position:absolute;left:9px;top:10px;
  width:16px;height:14px;border:2px solid #fff;border-radius:3px;
}
.brand-mark::after{
  content:"";position:absolute;left:15px;top:15px;
  width:9px;height:2px;background:var(--accent);transform:rotate(-45deg);transform-origin:left center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:600;color:var(--text);letter-spacing:.5px;}
.brand-text span{font-size:12.5px;color:var(--text-3);letter-spacing:1.6px;}
.search-box{
  flex:1;max-width:420px;position:relative;
}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--border);background:var(--bg);
  padding:0 18px 0 42px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,95,138,.12);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.hamburger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--border);color:var(--primary);font-size:17px;
  align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--primary);}
.nav-tabs{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:8px 0;border-top:1px solid var(--border);
  -ms-overflow-style:none;scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab-link{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:var(--r-pill);font-size:15px;color:var(--text-2);
  border:1px solid transparent;transition:all .2s var(--ease);
}
.tab-link:hover{background:var(--primary-soft);color:var(--primary);}
.tab-link.is-active{background:var(--primary);color:#fff;font-weight:600;box-shadow:var(--shadow-1);}
.mobile-panel{
  display:none;flex-direction:column;gap:8px;
  padding:16px 20px 24px;border-top:1px solid var(--border);background:#fff;
}
.mobile-panel a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-radius:var(--r-btn);color:var(--text);font-size:16px;border:1px solid var(--border);
}
.mobile-panel a.is-active{background:var(--primary-soft);color:var(--primary);border-color:rgba(14,95,138,.25);font-weight:600;}
.mobile-panel .btn{margin-top:4px;}
body.nav-open .mobile-panel{display:flex;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:24px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumbs li+li::before{content:"›";color:var(--text-3);}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--primary);}
.crumbs .current{
  color:var(--text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头 ---------- */
.article-head{padding:28px 0 0;}
.article-head-inner{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--shadow-1);
  position:relative;overflow:hidden;
}
.article-head-inner::after{
  content:"";position:absolute;right:0;top:0;width:220px;height:100%;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.07;pointer-events:none;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.pill--accent{background:rgba(232,163,61,.14);color:#9C6A16;}
.article-head h1{
  font-size:40px;margin:16px 0 18px;max-width:860px;letter-spacing:.2px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  padding-top:18px;border-top:1px solid var(--border);
  font-size:14px;color:var(--text-2);
  position:relative;z-index:1;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--primary);font-size:13px;}

/* ---------- 布局 ---------- */
.section{padding:56px 0 0;}
.layout{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start;}
.main-col{flex:1 1 640px;min-width:0;max-width:100%;}
.side-col{flex:0 0 320px;max-width:100%;}

/* ---------- 正文排版 ---------- */
.article-body{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--shadow-1);
  font-size:16.5px;line-height:1.9;color:var(--text);
  max-width:820px;
}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:21px;margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  background:var(--primary);border-radius:2px;
}
.article-body h3{font-size:18px;margin:30px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.75;
}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0;padding:20px;border-left:3px solid var(--primary);
  background:var(--surface-alt);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;border:1px solid var(--border);margin:22px auto;max-width:100%;height:auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;border:1px solid var(--border);border-radius:12px;overflow:hidden;}
.article-body table th{background:var(--primary-soft);color:var(--primary);font-weight:600;text-align:left;}
.article-body table th,.article-body table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:15px;}
.article-body table tr:nth-child(even) td{background:#FAFCFE;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:var(--surface-alt);padding:2px 6px;border-radius:6px;color:var(--primary-dark);
}
.article-body pre{
  background:var(--surface-alt);border:1px solid var(--border);border-radius:12px;
  padding:18px;overflow-x:auto;margin:22px 0;
}
.article-body pre code{background:none;padding:0;}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:10px;padding:48px 32px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-1);
}
.empty-state i{font-size:28px;color:var(--text-3);}
.empty-state strong{font-size:17px;}
.empty-state p{font-size:14px;color:var(--text-3);margin:0 0 8px;}

/* ---------- 文末标签 ---------- */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:24px 0 0;padding-top:20px;border-top:1px solid var(--border);
}
.tag-row .label{font-size:14px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  font-size:13px;transition:all .2s var(--ease);
}
.tag:hover{background:var(--primary);color:#fff;}

/* ---------- 侧栏 ---------- */
.side-col .side-inner{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-1);
}
.side-card h4{
  font-size:15px;margin-bottom:14px;padding-left:12px;position:relative;
}
.side-card h4::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;background:var(--primary);border-radius:2px;
}
.toc-list li+li{margin-top:2px;}
.toc-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 12px;border-radius:var(--r-btn);
  color:var(--text-2);font-size:14.5px;transition:all .2s var(--ease);
}
.toc-list a:hover{background:var(--surface-alt);color:var(--primary);}
.toc-list a i{font-size:12px;color:var(--text-3);}
.side-links li+li{margin-top:10px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 14px;border:1px solid var(--border);border-radius:var(--r-btn);
  font-size:14.5px;color:var(--text-2);
}
.side-links a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.cta-card{background:var(--surface-alt);border-color:#D6E3EE;}
.cta-card h4::before{background:var(--accent);}
.cta-card p{font-size:14px;color:var(--text-2);margin:0 0 16px;}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 0;}
.sec-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-head h2{font-size:24px;padding-left:14px;position:relative;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;background:var(--primary);border-radius:2px;
}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;}
.news-body p{font-size:14px;color:var(--text-2);margin:0;flex:1;}
.news-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.news-foot i{color:var(--primary);}

/* ---------- CTA 带 ---------- */
.cta-band{padding:72px 0 0;}
.cta-band-inner{
  background:var(--surface-alt);border:1px solid #D6E3EE;border-radius:var(--r-lg);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band-inner h2{font-size:24px;margin-bottom:8px;}
.cta-band-inner p{margin:0;color:var(--text-2);font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:#101820;color:#C9D6E0;padding:64px 0 0;font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#7FB6D6;}
.footer-brand .brand-mark::before{border-color:#101820;}
.footer-brand .brand-mark::after{background:var(--accent);}
.footer-brand b{display:block;font-size:16px;color:#fff;line-height:1.3;}
.footer-brand span span{display:block;font-size:12.5px;color:#8FA6B6;letter-spacing:1.4px;}
.footer-desc{color:#93A7B6;font-size:14px;line-height:1.8;margin:0;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li+li{margin-top:10px;}
.footer-col ul a{color:#A9BCCB;font-size:14.5px;}
.footer-col ul a:hover{color:#7FB6D6;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#A9BCCB;line-height:1.7;}
.footer-contact i{color:#7FB6D6;margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA6B6;
}

/* ---------- 弹层表单 ---------- */
.reveal.entry-modal{
  max-width:520px;border-radius:var(--r-lg);border:0;box-shadow:var(--shadow-3);padding:0;overflow:hidden;
}
.entry-modal .modal-head{padding:24px 28px 0;}
.entry-modal .modal-head h3{font-size:20px;margin-bottom:6px;}
.entry-modal .modal-head p{font-size:14px;color:var(--text-2);margin:0;}
.entry-modal .modal-body{padding:20px 28px 28px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:6px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;padding:11px 14px;color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-field textarea{min-height:96px;resize:vertical;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,95,138,.12);
}
.form-error{display:none;font-size:12.5px;color:var(--danger);margin-top:5px;}
.form-error.show{display:block;}
.privacy{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.privacy input{margin-top:3px;width:15px;height:15px;flex-shrink:0;}
.close-button{
  position:absolute;right:12px;top:12px;width:40px;height:40px;border-radius:var(--r-btn);
  color:var(--text-2);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.close-button:hover{background:var(--surface-alt);color:var(--primary);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 24px;}
  .side-col{flex:0 0 300px;}
}
@media screen and (max-width:1023px){
  .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .header-top{min-height:64px;}
  .article-head h1{font-size:32px;}
  .layout{flex-direction:column;gap:28px;}
  .main-col,.side-col{flex:1 1 auto;width:100%;}
  .side-col .side-inner{position:static;}
  .article-body{padding:32px;max-width:100%;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  .article-head-inner{padding:26px 22px;}
  .article-head h1{font-size:28px;}
  .article-body{padding:24px 20px;font-size:16.5px;}
  .article-body h2{font-size:19.5px;}
  .cta-band-inner{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media screen and (max-width:639px){
  .card-grid{grid-template-columns:1fr;}
  .brand-text b{font-size:16px;}
  .brand-text span{letter-spacing:1px;}
  .article-head h1{font-size:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --primary:#0E5F8A;
  --primary-deep:#0A4A6D;
  --primary-soft:rgba(14,95,138,.08);
  --primary-light:#7FB6D6;
  --accent:#E8A33D;
  --success:#1F9E6E;
  --danger:#D9534F;
  --bg:#F4F7FA;
  --card:#FFFFFF;
  --soft:#EDF3F8;
  --line:#DEE6ED;
  --ink:#101820;
  --ink-2:#55636F;
  --ink-3:#8A97A3;
  --r-card:14px;
  --r-hero:18px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 3px rgba(16,24,32,.05), 0 6px 18px rgba(16,24,32,.05);
  --sh-2:0 12px 30px rgba(14,95,138,.12);
  --sh-3:0 24px 60px rgba(16,24,32,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--primary-deep);}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 3px rgba(16,24,32,.04);
}
.topbar{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  padding:10px 0;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:11px;
  background:var(--primary);
  position:relative;
  display:inline-block;
}
.brand-mark::before{
  content:"";
  position:absolute;left:11px;top:11px;
  width:16px;height:16px;
  border-top:3px solid #fff;
  border-right:3px solid #fff;
  border-radius:2px;
  transform:rotate(45deg);
}
.brand-mark::after{
  content:"";
  position:absolute;left:11px;top:19px;
  width:14px;height:3px;background:var(--accent);border-radius:2px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:600;color:var(--ink);letter-spacing:.2px;}
.brand-text span{font-size:12.5px;color:var(--ink-3);letter-spacing:.6px;}
.searchbar{
  flex:1 1 auto;
  max-width:420px;
  position:relative;
  margin-left:auto;
}
.searchbar i{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);font-size:14px;
}
.searchbar input{
  width:100%;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--bg);
  padding:0 18px 0 40px;
  color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.searchbar input::placeholder{color:var(--ink-3);}
.searchbar input:focus{
  outline:none;
  background:#fff;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(14,95,138,.12);
}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-deep);color:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);transform:translateY(-2px);}
.btn-soft{background:var(--primary-soft);color:var(--primary);}
.btn-soft:hover{background:rgba(14,95,138,.14);color:var(--primary-deep);}
.btn-block{width:100%;}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px;}
.hamburger{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--primary);
  align-items:center;justify-content:center;
}
/* 第二行频道 tabs */
.nav-wrap{border-top:1px solid var(--line);background:#fff;}
.nav-tabs{
  display:flex;
  gap:8px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  padding:8px 0;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.tab-link{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;align-items:center;
  min-height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  font-size:14.5px;
  color:var(--ink-2);
  background:transparent;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tab-link:hover{background:var(--soft);color:var(--primary);}
.tab-link.is-active{background:var(--primary);color:#fff;font-weight:600;}
.tab-link.is-active:hover{background:var(--primary-deep);color:#fff;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;
  background:rgba(16,24,32,.55);
  opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:80;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;right:0;top:0;bottom:0;
  width:min(84vw,340px);
  background:#fff;
  padding:22px 20px;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:20px;}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;padding:0 16px;border-radius:var(--r-btn);
  color:var(--ink-2);background:var(--bg);font-size:15px;
}
.drawer-nav a.is-active{background:var(--primary);color:#fff;font-weight:600;}

/* ---------- 内页头图 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(rgba(14,95,138,.72),rgba(10,74,109,.72)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 0 56px;
}
.page-hero h1{
  color:#fff;
  font-size:40px;
  line-height:1.35;
  margin-bottom:14px;
  letter-spacing:.3px;
}
.page-hero .lead{
  color:rgba(255,255,255,.9);
  font-size:17px;
  max-width:760px;
  line-height:1.8;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.82);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.hero-pills{
  display:flex;gap:10px;margin-top:26px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding-bottom:4px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hero-pills::-webkit-scrollbar{display:none;}
.hero-pills a{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:0 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;font-size:14px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.hero-pills a:hover{background:rgba(255,255,255,.26);transform:translateY(-2px);color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--pad-sec) 0;}
.section--soft{background:var(--soft);}
.section-head{margin-bottom:44px;max-width:820px;}
.section-head h2{
  font-size:28px;
  padding-left:14px;
  border-left:3px solid var(--primary);
  margin-bottom:14px;
}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1px;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;line-height:1;
  padding:7px 12px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
}
.tag--hot{background:rgba(232,163,61,.16);color:#A96F14;}

/* 交错图文 */
.media-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding:32px 0;
  border-bottom:1px solid var(--line);
}
.media-row:last-child{border-bottom:0;padding-bottom:0;}
.media-row:first-child{padding-top:0;}
.media-row__figure{
  position:relative;
  border-radius:var(--r-hero);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--soft);
  box-shadow:var(--sh-1);
  aspect-ratio:4/3;
}
.media-row__figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.media-row:hover .media-row__figure img{transform:scale(1.03);}
.media-row__index{
  position:absolute;left:16px;top:16px;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.94);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 14px rgba(16,24,32,.12);
}
.media-row__body h3{font-size:20px;margin:14px 0 12px;}
.media-row__body p{color:var(--ink-2);font-size:15.5px;line-height:1.9;}
.media-row--reverse .media-row__figure{order:2;}
.dot-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.dot-list li{
  position:relative;padding-left:20px;
  font-size:15px;color:var(--ink-2);
}
.dot-list li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:6px;height:6px;border-radius:50%;background:var(--primary);
}

/* 核对清单 */
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px 32px;
}
.check-item{
  display:flex;align-items:flex-start;gap:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,95,138,.35);}
.check-item i{
  flex:0 0 auto;
  width:26px;height:26px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;margin-top:2px;
}
.check-item span{font-size:15px;color:var(--ink-2);line-height:1.7;}

/* 排行列表 */
.rank-block{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:start;
}
.rank-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.rank-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.rank-item:last-child{border-bottom:0;}
.rank-item:hover{background:var(--soft);}
.rank-no{
  flex:0 0 34px;width:34px;height:34px;
  border-radius:10px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.rank-item:first-child .rank-no{background:var(--primary);color:#fff;}
.rank-body{flex:1 1 auto;min-width:0;}
.rank-body b{display:block;font-size:15.5px;font-weight:600;color:var(--ink);margin-bottom:2px;}
.rank-body span{font-size:13.5px;color:var(--ink-3);}
.rank-meter{
  flex:0 0 auto;display:flex;align-items:center;gap:10px;
}
.meter{width:88px;height:6px;border-radius:999px;background:var(--soft);overflow:hidden;}
.meter i{display:block;height:100%;background:var(--accent);border-radius:999px;}
.rank-meter em{font-style:normal;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px;
  margin-bottom:24px;
}
.side-card h3{font-size:18px;margin-bottom:12px;}
.side-card p{font-size:15px;color:var(--ink-2);}
.side-list{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.side-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:14.5px;color:var(--ink-2);
  padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list b{color:var(--primary);font-variant-numeric:tabular-nums;font-weight:600;}

/* FAQ */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{background:var(--soft);border-color:rgba(14,95,138,.3);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:60px;
  padding:14px 22px;
  background:transparent;border:0;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q i{
  flex:0 0 auto;
  width:28px;height:28px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:transform .25s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-q i{background:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;color:var(--ink-2);line-height:1.85;
}

/* CTA 带 */
.cta-band{
  background:var(--soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px 0;
}
.cta-inner h2{font-size:26px;margin-bottom:10px;padding-left:14px;border-left:3px solid var(--primary);}
.cta-inner p{color:var(--ink-2);font-size:15.5px;max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* 相关分类卡 */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.cat-card{
  display:block;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,95,138,.35);color:inherit;}
.cat-card__media{aspect-ratio:16/9;background:var(--soft);overflow:hidden;}
.cat-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.cat-card:hover .cat-card__media img{transform:scale(1.03);}
.cat-card__body{padding:24px;}
.cat-card__body h3{font-size:19px;margin:12px 0 10px;}
.cat-card__body p{font-size:15px;color:var(--ink-2);}
.cat-more{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;font-size:14.5px;font-weight:600;color:var(--primary);
}
.cat-card:hover .cat-more i{transform:translateX(4px);}
.cat-more i{transition:transform .2s var(--ease);}

/* 页脚 */
.site-footer{background:#101820;color:#C9D3DC;padding:72px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand b{display:block;color:#fff;font-size:16px;font-weight:600;line-height:1.2;}
.footer-brand span span{display:block;font-size:12.5px;color:#8FA3B3;letter-spacing:.6px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#B9C6D2;font-size:14.5px;}
.footer-col a:hover{color:var(--primary-light);}
.footer-desc{font-size:14px;color:#93A4B3;line-height:1.8;max-width:320px;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#B9C6D2;}
.footer-contact i{color:var(--primary-light);margin-top:5px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#7E8F9E;
}

/* 浮动操作条 */
.float-bar{
  position:fixed;right:24px;bottom:24px;z-index:50;
  display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.float-btn:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}

/* 弹层表单 */
.reveal-overlay{background:rgba(16,24,32,.55);}
.reveal{
  border:0;border-radius:var(--r-card);box-shadow:var(--sh-3);
  padding:0;max-width:520px;background:#fff;
}
.reveal:focus{outline:none;}
.modal-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:26px 26px 18px;border-bottom:1px solid var(--line);
}
.modal-head h3{font-size:20px;margin-bottom:6px;}
.modal-head p{font-size:14px;color:var(--ink-3);}
.modal-close{
  width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
}
.modal-body{padding:22px 26px 26px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--ink-2);margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  padding:11px 14px;
  color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,95,138,.12);
}
.field .err{display:none;font-size:12.5px;color:var(--danger);margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.field.has-error .err{display:block;}
.privacy{
  display:flex;align-items:flex-start;gap:8px;
  font-size:12.5px;color:var(--ink-3);line-height:1.6;margin:4px 0 16px;
}
.privacy input{margin-top:3px;flex:0 0 auto;}
.form-tip{font-size:12.5px;color:var(--ink-3);margin-top:12px;text-align:center;}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--pad-sec:72px;}
  .container{padding:0 24px;}
  .searchbar{display:none;}
  .hamburger{display:inline-flex;}
  .topbar{gap:12px;justify-content:space-between;}
  .topbar .btn-primary{display:none;}
  .page-hero{padding:52px 0 44px;}
  .page-hero h1{font-size:32px;}
  .media-row{grid-template-columns:1fr;gap:24px;}
  .media-row--reverse .media-row__figure{order:0;}
  .rank-block{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .check-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .rank-meter .meter{width:60px;}
}
@media (max-width:639px){
  :root{--pad-sec:56px;}
  .container{padding:0 20px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15.5px;}
  .section-head h2,.cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .float-bar{right:16px;bottom:16px;}
  .rank-item{flex-wrap:wrap;gap:12px;}
  .rank-meter{width:100%;}
  .reveal{width:100vw;max-width:100vw;height:100%;margin:0;border-radius:0;top:0 !important;left:0 !important;}
  .reveal .modal-body{padding-bottom:40px;}
}
@media (min-width:1024px){
  .drawer{display:none;}
}

/* roulang page: category2 */
:root{
  --primary:#0E5F8A;
  --primary-dark:#0A4A6D;
  --primary-light:#7FB6D6;
  --primary-08:rgba(14,95,138,.08);
  --primary-12:rgba(14,95,138,.12);
  --accent:#E8A33D;
  --success:#1F9E6E;
  --danger:#D9534F;
  --bg:#F4F7FA;
  --surface:#FFFFFF;
  --tint:#EDF3F8;
  --border:#DEE6ED;
  --ink:#101820;
  --ink-2:#55636F;
  --ink-3:#8A97A3;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 3px rgba(16,24,32,.05),0 6px 18px rgba(16,24,32,.05);
  --sh-2:0 12px 30px rgba(14,95,138,.12);
  --sh-3:0 24px 60px rgba(16,24,32,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,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:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  line-height:1;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,95,138,.18);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 头部 ============ */
.site-header{position:relative;background:var(--surface);border-bottom:1px solid var(--border);}
.header-top-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  position:relative;
  width:38px;height:38px;
  border-radius:11px;
  background:var(--primary);
  flex-shrink:0;
  display:block;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:11px;top:12px;
  width:16px;height:14px;
  border:2px solid #fff;
  border-bottom:none;
  border-radius:2px 2px 0 0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:15px;top:20px;
  width:8px;height:8px;
  border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(45deg);
}
.brand-text{display:flex;align-items:baseline;gap:0;font-size:18px;letter-spacing:.2px;}
.brand-text b{font-weight:700;color:var(--ink);}
.brand-text span{font-weight:400;color:var(--primary);margin-left:2px;}
.header-search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:420px;
  margin-left:8px;
}
.header-search i{
  position:absolute;
  left:18px;
  font-size:14px;
  color:var(--ink-3);
  pointer-events:none;
}
.header-search input{
  width:100%;
  min-height:44px;
  padding:0 20px 0 44px;
  border:1px solid var(--border);
  border-radius:var(--r-pill);
  background:var(--bg);
  color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search input:focus{
  outline:none;
  background:var(--surface);
  border-color:var(--primary);
  box-shadow:0 0 0 2px var(--primary-12);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  background:var(--surface);
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-panel{display:none;padding:0 32px 18px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .header-search{max-width:none;margin-left:0;}

/* 第二行频道 */
.nav-tabs{
  position:sticky;
  top:0;
  z-index:30;
  background:var(--surface);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.nav-tabs-inner{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:56px;
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab-link{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--ink-2);
  border:1px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tab-link:hover{background:var(--tint);color:var(--primary);}
.tab-link.is-active{background:var(--primary);color:#fff;font-weight:500;}
.tab-link.is-active:hover{background:var(--primary-dark);color:#fff;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 48px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.16;
  filter:saturate(.9);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(237,243,248,.72) 0%,rgba(255,255,255,.94) 72%);
}
.page-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--ink-3);}
.breadcrumb .current{color:var(--ink);max-width:24ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pill-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--primary-08);
  color:var(--primary);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.2px;
}
.page-hero h1{
  margin:18px 0 0;
  font-size:42px;
  line-height:1.32;
  max-width:20ch;
}
.page-hero-desc{
  margin-top:18px;
  max-width:62ch;
  font-size:17px;
  color:var(--ink-2);
  line-height:1.8;
}
.anchor-pills{
  display:flex;
  gap:12px;
  margin-top:30px;
  overflow-x:auto;
  padding-bottom:4px;
  scroll-snap-type:x proximity;
  -ms-overflow-style:none;
  scrollbar-width:none;
}
.anchor-pills::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  scroll-snap-align:start;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--ink-2);
  font-size:14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.anchor-pill i{color:var(--accent);font-size:12px;}
.anchor-pill:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--sh-1);}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section--tint{background:var(--tint);}
.section-head{margin-bottom:44px;}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:28px;
  line-height:1.4;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:3px;
  border-radius:2px;
  background:var(--primary);
}
.section-head p{
  margin-top:14px;
  padding-left:16px;
  max-width:70ch;
  color:var(--ink-2);
  font-size:16px;
}
.section-head--split{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:500;
  color:var(--primary);
  white-space:nowrap;
}
.text-link i{font-size:12px;transition:transform .2s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 步骤条 ============ */
.step-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.steps{position:relative;}
.step{
  position:relative;
  padding:0 0 40px 76px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:21px;
  top:46px;
  bottom:0;
  width:1px;
  background:var(--border);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;
  left:0;top:0;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.step:first-child .step-num{background:var(--primary);border-color:var(--primary);color:#fff;}
.step h3{font-size:20px;margin-bottom:10px;}
.step p{color:var(--ink-2);font-size:15.5px;max-width:62ch;}
.step-meta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  font-size:12.5px;
  color:var(--ink-3);
}
.step-meta i{color:var(--accent);}
.step-aside{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
}
.step-aside h3{font-size:18px;margin-bottom:16px;}
.step-aside ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
  font-size:14.5px;
  color:var(--ink-2);
}
.step-aside ul li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
}
.step-aside .aside-note{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--ink-3);
  line-height:1.75;
}

/* ============ 卡片墙（双列不等高） ============ */
.wall{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
  align-items:start;
}
.wall-col{display:flex;flex-direction:column;gap:28px;}
.wall-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.wall-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.wall-media{
  position:relative;
  overflow:hidden;
  background:var(--tint);
}
.wall-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.wall-card:hover .wall-media img{transform:scale(1.03);}
.wall-card--tall .wall-media{aspect-ratio:4/5;}
.wall-card--mid .wall-media{aspect-ratio:16/11;}
.wall-card--short .wall-media{aspect-ratio:16/9;}
.wall-body{padding:24px;}
.wall-body h3{font-size:20px;margin-bottom:10px;}
.wall-body p{font-size:14.5px;color:var(--ink-2);}
.wall-list{margin-top:16px;}
.wall-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:8px;
  font-size:14px;
  color:var(--ink-2);
}
.wall-list li::before{
  content:"\2713";
  position:absolute;
  left:0;top:0;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
}
.heat{
  position:absolute;
  left:14px;top:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--primary);
  font-size:12.5px;
  font-weight:500;
  box-shadow:var(--sh-1);
}
.heat--warm{color:#B8730F;}
.heat i{font-size:11px;}

/* ============ 对照清单表 ============ */
.table-wrap{
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto;}
table.compare{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare thead th{
  background:var(--primary-08);
  color:var(--primary);
  text-align:left;
  font-weight:600;
  font-size:14px;
  padding:18px 22px;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
table.compare tbody td{
  padding:18px 22px;
  border-bottom:1px solid var(--border);
  color:var(--ink-2);
  vertical-align:top;
}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare tbody tr{transition:background-color .18s var(--ease);}
table.compare tbody tr:hover{background:var(--tint);}
table.compare td:first-child{color:var(--ink);font-weight:500;}
.tag-mini{
  display:inline-block;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:var(--primary-08);
  color:var(--primary);
  font-size:12.5px;
  line-height:1.6;
}

/* ============ FAQ ============ */
.faq-list{
  max-width:900px;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  background:var(--surface);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--border);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:62px;
  padding:12px 26px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:500;
  color:var(--ink);
  transition:background-color .2s var(--ease);
}
.faq-q:hover{background:var(--tint);}
.faq-item.is-open .faq-q{background:var(--tint);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--primary);
  font-size:13px;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff;border-color:var(--primary);}
.faq-a{
  display:none;
  padding:0 26px 22px;
  font-size:15px;
  color:var(--ink-2);
  max-width:78ch;
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--tint);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{font-size:24px;margin-bottom:10px;}
.cta-inner p{color:var(--ink-2);font-size:15.5px;max-width:62ch;}
.cta-actions{display:flex;gap:12px;flex-shrink:0;}

/* ============ 相关分类卡 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.related-card{
  display:flex;
  gap:20px;
  padding:22px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  color:inherit;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--primary-light);color:inherit;}
.related-thumb{
  flex:0 0 128px;
  width:128px;
  aspect-ratio:4/3;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--border);
  background:var(--tint);
}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-card h3{font-size:18px;margin-bottom:8px;}
.related-card p{font-size:14px;color:var(--ink-2);}
.related-card .text-link{margin-top:12px;font-size:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C7D2DA;padding:72px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;}
.footer-brand .brand-mark::before{left:10px;top:11px;width:14px;height:12px;}
.footer-brand .brand-mark::after{left:13px;top:18px;}
.footer-brand b{color:#fff;font-size:17px;font-weight:700;}
.footer-brand span span{color:var(--primary-light);font-size:17px;}
.footer-desc{font-size:14px;color:#9AA9B5;line-height:1.85;max-width:42ch;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:#9AA9B5;font-size:14px;}
.footer-col ul li a:hover{color:var(--primary-light);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#9AA9B5;}
.footer-contact li i{color:var(--primary-light);font-size:13px;width:16px;text-align:center;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding:22px 0 30px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#8A97A3;
}

/* ============ 弹层 ============ */
.reveal-overlay{background:rgba(16,24,32,.55);}
.reveal{
  max-width:520px;
  border-radius:16px;
  border:none;
  box-shadow:var(--sh-3);
  padding:0;
  overflow:hidden;
  background:var(--surface);
}
.modal-head{
  position:relative;
  padding:26px 28px 20px;
  border-bottom:1px solid var(--border);
}
.modal-head h3{font-size:20px;margin-bottom:8px;}
.modal-head p{font-size:14px;color:var(--ink-2);}
.modal-close{
  position:absolute;
  right:18px;top:18px;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--ink-2);
  font-size:16px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:var(--tint);color:var(--primary);}
.modal-body{padding:24px 28px 28px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;color:var(--ink);margin-bottom:8px;font-weight:500;}
.field input,.field select,.field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--border);
  border-radius:var(--r-btn);
  background:var(--bg);
  color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  background:var(--surface);
  border-color:var(--primary);
  box-shadow:0 0 0 2px var(--primary-12);
}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:var(--danger);}
.field.has-error input{border-color:var(--danger);}
.field.has-error .err{display:block;}
.privacy-row{
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin-top:14px;
  font-size:12.5px;
  color:var(--ink-3);
  line-height:1.7;
}
.privacy-row input{margin-top:3px;width:16px;height:16px;accent-color:var(--primary);flex:0 0 auto;}
.form-tip{margin-top:14px;font-size:13px;color:var(--success);display:none;}
.form-tip.is-show{display:block;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .page-hero{padding:44px 0 40px;}
  .page-hero h1{font-size:34px;}
  .header-search{display:none;}
  .mobile-panel .header-search{display:flex;}
  .nav-toggle{display:flex;}
  .mobile-panel{padding:0 24px 18px;}
  .step-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .page-hero h1{font-size:30px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:24px;}
  .wall{grid-template-columns:1fr;}
  .wall-card--tall .wall-media{aspect-ratio:16/10;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .related-card{flex-direction:column;}
  .related-thumb{width:100%;flex:none;aspect-ratio:16/9;}
}
@media (max-width:520px){
  .container{padding-left:20px;padding-right:20px;}
  .mobile-panel{padding:0 20px 16px;}
  .section{padding:56px 0;}
  .page-hero{padding:34px 0 32px;}
  .page-hero h1{font-size:28px;}
  .page-hero-desc{font-size:16px;}
  .header-top-inner{min-height:64px;gap:14px;}
  .brand-text{font-size:16px;}
  .brand-text span{display:block;}
  .brand-text{flex-direction:column;align-items:flex-start;line-height:1.25;}
  .btn.btn-sm{padding:0 14px;font-size:13.5px;}
  .step{padding-left:60px;}
  .step::before{left:17px;}
  .step-num{width:36px;height:36px;font-size:14px;}
  .step h3{font-size:18px;}
  .wall-body{padding:20px;}
  .faq-q{padding:12px 18px;font-size:15px;}
  .faq-a{padding:0 18px 20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .reveal{width:100%;max-width:100%;height:100%;top:0;border-radius:0;overflow-y:auto;}
  .footer-bottom{flex-direction:column;gap:10px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}