/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --primary:#1A5FD0;
  --primary-dark:#1349A6;
  --primary-light:#2E7BE6;
  --primary-mist:#EFF5FF;
  --primary-border:#DCE8FE;
  --accent:#FF6B2C;
  --success:#12A87A;
  --warning:#E8A33D;
  --danger:#E0533D;

  --ink:#12161D;
  --text-2:#3A4250;
  --text-3:#6B7482;
  --line:#E3E8EF;
  --page:#F5F7FB;
  --card:#FFFFFF;
  --soft:#F0F4FA;
  --placeholder:#9AA3B0;
  --footer-bg:#10243F;

  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --r-img-lg:20px;

  --sh-1:0 1px 2px rgba(18,22,29,.06);
  --sh-2:0 6px 20px -8px rgba(18,70,150,.14);
  --sh-3:0 12px 32px -10px rgba(18,70,150,.22);

  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px; --sp-10:112px;

  --container:1200px;
  --nav-h:64px;
  --chan-h:48px;
}

/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;text-underline-offset:3px;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.num,.stat-num,.badge-num{font-variant-numeric:tabular-nums;}

/* ============ 布局容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--soft);}
.section-head{max-width:720px;margin-bottom:var(--sp-7);}
.section-head h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:var(--sp-3);
  color:var(--text-3);
  font-size:16px;
  line-height:1.8;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--primary);
  background:var(--primary-mist);
  border:1px solid var(--primary-border);
  border-radius:var(--r-pill);
  padding:4px 14px;
  margin-bottom:var(--sp-4);
  font-weight:500;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:500;
  line-height:1;
  border:1px solid transparent;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-border);}
.btn-ghost:hover{background:var(--primary-mist);color:var(--primary-dark);border-color:var(--primary-light);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:500;font-size:15px;
}
.btn-link svg{transition:transform .16s ease;}
.btn-link:hover svg{transform:translateX(2px);}

/* ============ 头部：品牌行 + 频道行 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.topbar{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-5);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(160deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.02em;}
.topbar-actions{display:flex;align-items:center;gap:var(--sp-4);}
.search-entry{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--soft);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--text-3);font-size:14px;
  transition:border-color .16s ease,background-color .16s ease,color .16s ease;
  min-width:200px;
}
.search-entry:hover{border-color:var(--primary-border);background:var(--primary-mist);color:var(--primary);}
.online-dot{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-2);
  letter-spacing:.02em;
}
.online-dot i{
  width:6px;height:6px;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 4px rgba(18,168,122,.14);
  display:inline-block;
}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.channelbar{
  height:var(--chan-h);
  background:var(--soft);
  border-top:1px solid var(--line);
  position:relative;
}
.channelbar .container{height:100%;display:flex;align-items:center;gap:var(--sp-2);}
.channel-scroll{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  height:100%;flex:1;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channelbar::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:24px;
  background:linear-gradient(90deg,rgba(240,244,250,0) 0%,rgba(240,244,250,1) 100%);
  pointer-events:none;
}
.channel-link{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  position:relative;
  transition:background-color .16s ease,color .16s ease;
}
.channel-link:hover{color:var(--primary);background:var(--primary-mist);}
.channel-link.is-active{color:var(--primary);background:var(--primary-mist);}
.channel-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:1px;height:2px;
  background:var(--primary);border-radius:2px;
}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,22,29,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:80;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);
  background:#fff;z-index:90;
  transform:translateX(102%);
  transition:transform .26s ease;
  display:flex;flex-direction:column;
  box-shadow:var(--sh-3);
}
.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-open .drawer{transform:translateX(0);}
.drawer-head{
  height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.drawer-head strong{font-size:16px;}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);font-size:18px;color:var(--text-2);background:#fff;}
.drawer-body{padding:20px;overflow-y:auto;flex:1;}
.drawer-body h4{font-size:13px;color:var(--text-3);letter-spacing:.06em;font-weight:500;margin-bottom:var(--sp-3);}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:500;
}
.drawer-nav a:hover{background:var(--primary-mist);color:var(--primary);}
.drawer-nav a.is-active{background:var(--primary-mist);color:var(--primary);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);background:#fff;}
body.drawer-open{overflow:hidden;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:rgba(245,247,251,.88);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line);
}
.hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  min-height:520px;
}
.hero h1{
  font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.02em;
  max-width:15em;
}
.hero-sub{
  margin-top:var(--sp-5);
  font-size:17px;line-height:1.8;color:var(--text-2);
  max-width:34em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6);}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:var(--sp-6);
  margin-top:var(--sp-7);
  padding-top:var(--sp-5);
  border-top:1px dashed var(--line);
}
.trust-item{min-width:120px;}
.trust-item .stat-num{
  display:flex;align-items:baseline;gap:4px;
  font-size:26px;font-weight:700;color:var(--primary);letter-spacing:-.02em;line-height:1.2;
}
.trust-item .stat-num small{font-size:14px;font-weight:500;color:var(--text-2);}
.trust-item p{font-size:13.5px;color:var(--text-3);letter-spacing:.02em;margin-top:2px;}

.hero-panel{
  background:#fff;
  border-radius:var(--r-img-lg);
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
  overflow:hidden;
}
.hero-panel img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-points{padding:20px 24px 24px;}
.hero-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 0;font-size:15px;line-height:1.7;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.hero-points li:last-child{border-bottom:none;padding-bottom:0;}
.hero-points svg{flex-shrink:0;margin-top:4px;color:var(--success);}

/* ============ 三步上手 ============ */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);
  position:relative;margin-top:var(--sp-7);
}
.steps::before{
  content:"";position:absolute;top:22px;left:12%;right:12%;height:1px;background:var(--line);
  z-index:0;
}
.step{
  position:relative;z-index:1;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--primary-border);}
.badge-num{
  width:44px;height:44px;border-radius:12px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 6px 16px -8px rgba(26,95,208,.6);
}
.step h3{font-size:22px;line-height:1.4;font-weight:700;margin-top:var(--sp-5);}
.step p{font-size:15px;line-height:1.7;color:var(--text-3);margin-top:var(--sp-2);}

/* ============ 案例证明 ============ */
.cases{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--sp-5);}
.case-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.case-main:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(26,95,208,.2);}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-main-body{padding:24px;display:flex;flex-direction:column;gap:var(--sp-3);flex:1;}
.case-side{display:grid;gap:var(--sp-5);}
.case-small{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:96px 1fr;gap:var(--sp-5);align-items:flex-start;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.case-small:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(26,95,208,.2);}
.case-small img{width:96px;height:96px;object-fit:cover;border-radius:var(--r-img);}
.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;letter-spacing:.02em;
  background:var(--primary-mist);color:var(--primary);border:1px solid var(--primary-border);
}
.tag-accent{background:rgba(255,107,44,.1);color:#C64A16;border-color:rgba(255,107,44,.24);}
.case-metric{
  font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.02em;
}
.case-metric em{font-style:normal;color:var(--accent);}
.case-quote{
  font-size:15px;line-height:1.7;color:var(--text-2);
  border-left:3px solid var(--primary-border);padding-left:14px;
}
.case-small h3{font-size:18px;font-weight:600;line-height:1.5;margin:var(--sp-3) 0 var(--sp-2);}
.case-small .case-metric{font-size:22px;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:220px 1fr;gap:var(--sp-7);align-items:start;}
.faq-aside{position:sticky;top:calc(var(--nav-h) + var(--chan-h) + 24px);}
.faq-aside h3{font-size:13px;color:var(--text-3);letter-spacing:.06em;font-weight:500;margin-bottom:var(--sp-3);}
.faq-aside a{
  display:block;padding:10px 14px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:500;
  border-left:2px solid transparent;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.faq-aside a:hover{background:var(--primary-mist);color:var(--primary);border-left-color:var(--primary-border);}
.faq-group{margin-bottom:var(--sp-6);}
.faq-group > h3{
  font-size:13px;color:var(--text-3);letter-spacing:.06em;font-weight:500;
  margin-bottom:var(--sp-3);
}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.faq-item:hover{border-color:var(--primary-border);}
.faq-item.is-open{border-color:rgba(26,95,208,.32);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:500;color:var(--ink);line-height:1.6;
}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-arrow{
  flex-shrink:0;width:22px;height:22px;color:var(--text-3);
  transition:transform .2s ease,color .2s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a-inner{
  padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-3);
  border-top:1px solid var(--line);padding-top:16px;margin:0 20px 20px;padding-left:0;padding-right:0;
}

/* ============ 最新信息 CMS ============ */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-5);
  margin-bottom:var(--sp-7);flex-wrap:wrap;
}
.news-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:var(--sp-5);}
.news-lead{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(26,95,208,.2);}
.news-lead img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-lead-body{padding:24px;display:flex;flex-direction:column;gap:var(--sp-3);flex:1;}
.news-lead h3{font-size:22px;line-height:1.4;font-weight:600;}
.news-lead h3 a{color:var(--ink);}
.news-lead h3 a:hover{color:var(--primary);}
.news-lead p{font-size:15px;line-height:1.7;color:var(--text-3);}
.news-side{display:grid;gap:var(--sp-4);align-content:start;}
.news-item{
  display:grid;grid-template-columns:112px 1fr;gap:var(--sp-4);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(26,95,208,.2);}
.news-item img{width:112px;height:84px;object-fit:cover;border-radius:var(--r-img);}
.news-item h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.news-item h3 a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item h3 a:hover{color:var(--primary);}
.meta-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;letter-spacing:.02em;color:var(--text-3);
  margin-top:auto;
}
.meta-row time{font-variant-numeric:tabular-nums;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state svg{color:var(--primary-light);margin:0 auto 16px;}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:var(--sp-5);}
.skeleton{background:linear-gradient(90deg,#EFF5FF 25%,#E3EDFD 37%,#EFF5FF 63%);background-size:400% 100%;animation:skeleton 1.4s ease infinite;border-radius:var(--r-img);}
@keyframes skeleton{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ============ CTA 横幅 + 表单 ============ */
.cta-banner{
  position:relative;overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  border-radius:var(--r-card);
  border:1px solid var(--primary-border);
}
.cta-banner::before{content:"";position:absolute;inset:0;background:rgba(239,245,255,.9);}
.cta-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 420px;gap:var(--sp-7);
  padding:56px;align-items:center;
}
.cta-inner h2{font-size:30px;line-height:1.3;font-weight:700;}
.cta-inner > div > p{margin-top:var(--sp-4);color:var(--text-2);font-size:16px;line-height:1.8;max-width:34em;}
.cta-bullets{margin-top:var(--sp-5);display:grid;gap:10px;}
.cta-bullets li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.cta-bullets svg{flex-shrink:0;margin-top:4px;color:var(--primary);}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:18px;font-weight:600;margin-bottom:var(--sp-4);}
.form-success{
  display:none;align-items:center;gap:8px;
  background:rgba(18,168,122,.1);border:1px solid rgba(18,168,122,.3);
  color:#0B7A58;border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:var(--sp-4);
}
.form-success.is-show{display:flex;}
.field{margin-bottom:var(--sp-4);}
.field label{display:block;font-size:14px;font-weight:500;color:var(--text-2);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:44px;padding:0 14px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  font-size:15px;color:var(--ink);
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field input::placeholder{color:var(--placeholder);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,123,230,.18);
}
.field.has-error input{border-color:var(--danger);}
.field .err{display:none;font-size:13px;color:var(--danger);margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:13px;color:var(--text-3);line-height:1.6;margin-top:var(--sp-4);}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#C7D3E4;margin-top:88px;}
.footer-top{
  border-top:1px solid rgba(255,255,255,.1);
  padding:64px 0 48px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:var(--sp-7);
}
.footer-brand strong{font-size:17px;color:#fff;font-weight:700;display:block;margin-bottom:var(--sp-4);}
.footer-brand p{font-size:14px;line-height:1.8;color:#9FB2CB;max-width:30em;}
.footer-col h4{font-size:14px;font-weight:600;color:#EAF1FB;margin-bottom:var(--sp-4);letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#9FB2CB;}
.footer-col a:hover{color:#7FB0F0;}
.footer-contact p{font-size:14px;color:#9FB2CB;line-height:1.8;margin-bottom:10px;}
.qr-box{
  width:96px;height:96px;border-radius:12px;
  background:#183355;border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:#9FB2CB;line-height:1.5;padding:8px;margin-top:var(--sp-4);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8399B5;letter-spacing:.02em;
}
.footer-bottom a{color:#8399B5;}
.footer-bottom a:hover{color:#7FB0F0;}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1280px;}
}
@media (max-width:1279px){
  .hero-grid{gap:40px;}
  .cta-inner{grid-template-columns:1fr 380px;padding:48px;gap:var(--sp-6);}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .search-entry{display:none;}
  .burger{display:flex;}
  .channelbar{display:none;}
  .faq-aside{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:var(--sp-5);}
  .hero .container{padding-top:56px;padding-bottom:56px;}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-6);min-height:0;}
  .hero h1{font-size:34px;max-width:none;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .cases{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-side{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;padding:40px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:var(--sp-6);}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .hero h1{font-size:30px;line-height:1.25;}
  .hero-sub{font-size:15.5px;}
  .trust-bar{gap:var(--sp-5);}
  .trust-item .stat-num{font-size:22px;}
  .steps{grid-template-columns:1fr;}
  .case-small{grid-template-columns:1fr;}
  .case-small img{width:100%;height:160px;}
  .news-side{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-item img{width:100%;height:160px;}
  .cta-inner{padding:24px;}
  .cta-inner h2{font-size:24px;}
  .footer-top{grid-template-columns:1fr;gap:var(--sp-6);}
  .btn{height:46px;}
  .hero-cta .btn{flex:1 1 100%;}
  .brand-text span{display:none;}
}
@media (max-width:360px){
  .container{padding:0 16px;}
  .brand-text strong{font-size:15px;}
  .topbar{gap:12px;}
}

/* roulang page: article */
:root{
  --brand:#1A5FD0;
  --brand-dark:#1349A6;
  --brand-light:#2E7BE6;
  --brand-mist:#EFF5FF;
  --brand-line:#DCE8FE;
  --accent:#FF6B2C;
  --ok:#12A87A;
  --warn:#E8A33D;
  --err:#E0533D;
  --ink:#12161D;
  --text-2:#3A4250;
  --text-3:#6B7482;
  --line:#E3E8EF;
  --page:#F5F7FB;
  --card:#FFFFFF;
  --soft:#F0F4FA;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(18,22,29,.06);
  --sh-2:0 6px 20px -8px rgba(18,70,150,.14);
  --sh-3:0 12px 32px -10px rgba(18,70,150,.22);
  --f-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea{font-family:inherit;}
: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;
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
}
@media (max-width:360px){
  .container{padding:0 16px;}
}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  box-shadow:var(--sh-1);
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  min-width:0;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;
  height:38px;
  flex:0 0 38px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--brand-light));
  color:#fff;
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.search-entry{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--text-3);
  font-size:13.5px;
  background:var(--soft);
  transition:border-color .18s ease, color .18s ease, background .18s ease;
  white-space:nowrap;
}
.search-entry:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-mist);}
.online-dot{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
}
.online-dot i{
  width:6px;height:6px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 3px rgba(18,168,122,.16);
}
.burger{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transform:translateX(-50%);
  content:"";
}
.burger span{top:50%;margin-top:-1px;}
.burger span::before{top:-6px;left:0;transform:none;}
.burger span::after{top:6px;left:0;transform:none;}

/* 频道行 */
.channelbar{
  background:var(--soft);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.channelbar .container{padding-top:0;padding-bottom:0;}
.channel-scroll{
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
  mask-image:linear-gradient(to right,#000 calc(100% - 24px),transparent);
  -webkit-mask-image:linear-gradient(to right,#000 calc(100% - 24px),transparent);
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;
  padding:6px 14px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:var(--r-pill);
  border-bottom:2px solid transparent;
  transition:color .18s ease, background .18s ease, border-color .18s ease;
}
.channel-link:hover{color:var(--brand);background:rgba(26,95,208,.06);}
.channel-link.is-active{
  color:var(--brand);
  font-weight:600;
  background:var(--brand-mist);
  border-bottom-color:var(--brand);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .16s ease, box-shadow .16s ease, background .16s ease, color .16s ease, border-color .16s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-line);}
.btn-ghost:hover{background:var(--brand-mist);border-color:var(--brand-light);color:var(--brand-dark);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:15px;
}
.btn-text svg{transition:transform .18s ease;}
.btn-text:hover{color:var(--brand-dark);}
.btn-text:hover svg{transform:translateX(2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

/* ============ 抽屉与遮罩 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(18,22,29,.42);
  z-index:80;
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease, visibility .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,360px);
  background:#fff;
  z-index:90;
  transform:translateX(102%);
  transition:transform .26s ease;
  display:flex;
  flex-direction:column;
  box-shadow:var(--sh-3);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
}
.drawer-head strong{font-size:15px;}
.drawer-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;
  font-size:16px;line-height:1;color:var(--text-2);
}
.drawer-body{padding:16px 20px;overflow-y:auto;flex:1;}
.drawer-group-title{
  font-size:12px;letter-spacing:.08em;color:var(--text-3);
  text-transform:uppercase;margin:12px 0 8px;font-weight:600;
}
.drawer-list a{
  display:block;
  padding:12px 14px;
  border-radius:var(--r-btn);
  color:var(--text-2);
  font-size:15px;
  margin-bottom:4px;
}
.drawer-list a:hover{background:var(--soft);color:var(--brand);}
.drawer-list a.is-active{background:var(--brand-mist);color:var(--brand);font-weight:600;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);background:#fff;}

/* ============ 文章头部 ============ */
.article-hero{
  background-image:linear-gradient(rgba(255,255,255,.9),rgba(255,255,255,.94)),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  padding:40px 0 44px;
}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:6px;
  font-size:13px;letter-spacing:.02em;color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C3CAD5;}
.breadcrumb .current{color:var(--brand);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);
  background:var(--brand-mist);
  border:1px solid var(--brand-line);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.article-hero h1{
  font-size:44px;
  line-height:1.2;
  max-width:900px;
  margin-bottom:20px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px;
  font-size:13px;letter-spacing:.02em;color:var(--text-3);
}
.article-meta b{font-variant-numeric:tabular-nums;color:var(--text-2);font-weight:600;}
.pill{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.pill-soft{background:var(--brand-mist);color:var(--brand);border:1px solid var(--brand-line);}
.pill-accent{background:rgba(255,107,44,.1);color:#D8511A;}

/* ============ 正文布局 ============ */
.article-wrap{
  padding:56px 0 88px;
}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:32px;
}
@media (min-width:1280px){
  .article-layout{
    grid-template-columns:minmax(0,760px) 268px;
    gap:56px;
    align-items:start;
  }
}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:32px;
}
@media (max-width:767px){
  .article-card{padding:20px;}
}

/* 正文排版 */
.article-body{max-width:760px;font-size:16px;line-height:1.8;color:var(--text-2);}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .8em;
  padding-left:16px;
  font-size:22px;
  line-height:1.4;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:2px;
  background:var(--brand);
}
.article-body h3{margin:1.6em 0 .6em;font-size:18px;line-height:1.5;color:var(--ink);}
.article-body h4{margin:1.3em 0 .5em;font-size:16px;line-height:1.5;color:var(--ink);}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--brand-dark);}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.4em;line-height:1.8;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body blockquote{
  margin:1.6em 0;
  padding:16px 20px;
  background:var(--brand-mist);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;
  margin:1.6em auto;
  box-shadow:var(--sh-1);
}
.article-body figure{margin:1.6em 0;text-align:center;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  line-height:1.6;
  color:var(--text-3);
  letter-spacing:.02em;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  border-top:2px solid var(--brand);
}
.article-body th,.article-body td{
  padding:11px 14px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--soft);font-weight:600;color:var(--ink);}
.article-body tbody tr:nth-child(even){background:#FAFBFE;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
@media (max-width:767px){
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch;}
}

/* 侧栏目录 */
.article-side{order:-1;}
@media (min-width:1280px){
  .article-side{order:0;position:sticky;top:132px;}
}
.toc-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px;
}
.toc-card h3{
  font-size:14px;letter-spacing:.04em;color:var(--text-2);
  margin-bottom:12px;display:flex;align-items:center;gap:8px;
}
.toc-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;
  padding:8px 10px;
  font-size:14px;
  line-height:1.6;
  color:var(--text-2);
  border-radius:8px;
  border-left:2px solid transparent;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.toc-list a:hover{background:var(--soft);color:var(--brand);border-left-color:var(--brand-light);}
.toc-extra{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--text-3);
  line-height:1.7;
}
.toc-extra .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  font-size:12.5px;
  border-radius:var(--r-pill);
  background:var(--soft);
  color:var(--text-2);
  border:1px solid var(--line);
}
.badge-accent{background:rgba(255,107,44,.1);color:#D8511A;border-color:rgba(255,107,44,.2);}

/* 标签 */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.article-tags .label{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  font-size:13.5px;
  border-radius:var(--r-pill);
  background:var(--soft);
  border:1px solid var(--line);
  color:var(--text-2);
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.tag:hover{background:var(--brand-mist);border-color:var(--brand-line);color:var(--brand);}

/* 空态 */
.empty-state{
  text-align:center;
  padding:56px 20px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#FBFCFE;
}
.empty-state svg{color:var(--brand-light);margin:0 auto 16px;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-3);font-size:15px;margin-bottom:20px;}

/* 相关推荐 */
.related{padding:0 0 88px;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:30px;line-height:1.3;margin-bottom:8px;}
.section-head p{color:var(--text-3);font-size:15px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
@media (max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:639px){
  .related-grid{grid-template-columns:minmax(0,1fr);}
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.news-card:hover{
  transform:translateY(-2px);
  border-color:rgba(26,95,208,.2);
  box-shadow:var(--sh-2);
}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--soft);}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-card h3{
  font-size:18px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;color:var(--ink);
}
.news-card p{
  font-size:15px;line-height:1.7;color:var(--text-3);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-card .meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);letter-spacing:.02em;
}
.news-card:hover h3{color:var(--brand);}

/* 上下篇 */
.pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-bottom:48px;
}
@media (max-width:767px){
  .pager{grid-template-columns:minmax(0,1fr);}
}
.pager a{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.pager a:hover{border-color:rgba(26,95,208,.25);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pager .k{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.pager .t{font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55;}
.pager a:hover .t{color:var(--brand);}

/* CTA 横幅 */
.cta-banner{
  background-image:linear-gradient(120deg,rgba(19,73,166,.96),rgba(26,95,208,.92)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-banner h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:10px;}
.cta-banner p{color:rgba(255,255,255,.82);font-size:15.5px;max-width:640px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-banner .btn-primary{background:#fff;color:var(--brand-dark);box-shadow:0 6px 20px -8px rgba(0,0,0,.35);}
.cta-banner .btn-primary:hover{background:#F2F7FF;color:var(--brand-dark);}
.cta-banner .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-banner .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:#10243F;
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  font-size:14px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
@media (max-width:1023px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .footer-top{grid-template-columns:1fr;}
}
.footer-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:380px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.92);
  margin-bottom:16px;letter-spacing:.03em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;transition:color .16s ease;}
.footer-col a:hover{color:#8FB9F5;}
.footer-contact p{margin-bottom:10px;color:rgba(255,255,255,.66);}
.qr-box{
  width:104px;height:104px;
  border-radius:12px;
  border:1px dashed rgba(255,255,255,.32);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12.5px;
  line-height:1.6;
  color:rgba(255,255,255,.6);
  margin-top:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* 图片加载失败占位 */
.img-fallback{
  background:repeating-linear-gradient(45deg,#EDF2FA,#EDF2FA 10px,#E4EBF6 10px,#E4EBF6 20px);
  min-height:120px;
}

/* 响应式字号 */
@media (max-width:1023px){
  .article-hero h1{font-size:34px;}
  .section-head h2{font-size:26px;}
  .cta-banner h2{font-size:26px;}
}
@media (max-width:767px){
  .search-entry,.online-dot{display:none;}
  .burger{display:block;}
  .article-hero{padding:28px 0 32px;}
  .article-hero h1{font-size:28px;line-height:1.28;}
  .article-wrap{padding:40px 0 64px;}
  .related{padding-bottom:64px;}
  .cta-banner{padding:44px 0;}
  .site-footer{padding-top:48px;}
  .brand-text span{display:none;}
}
@media (max-width:520px){
  .brand-text strong{font-size:15px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:360px){
  .topbar{gap:12px;}
  .topbar-actions{gap:8px;}
}

/* roulang page: category1 */
:root{
  --primary:#1A5FD0;
  --primary-dark:#1349A6;
  --primary-light:#2E7BE6;
  --primary-mist:#EFF5FF;
  --primary-line:#DCE8FE;
  --accent:#FF6B2C;
  --success:#12A87A;
  --warning:#E8A33D;
  --danger:#E0533D;

  --ink:#12161D;
  --text-2:#3A4250;
  --text-3:#6B7482;
  --line:#E3E8EF;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --block:#F0F4FA;

  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(18,22,29,.06);
  --sh-2:0 6px 20px -8px rgba(18,70,150,.14);
  --sh-3:0 12px 32px -10px rgba(18,70,150,.22);

  --container:1200px;
  --nav-h:64px;
  --channel-h:48px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block;background:var(--primary-mist)}
button{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--sh-3);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-line)}
.btn-ghost:hover{background:var(--primary-mist);border-color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--primary);height:auto;padding:0}
.btn-link svg{transition:transform .2s ease}
.btn-link:hover svg{transform:translateX(3px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  box-shadow:0 1px 0 var(--line),0 6px 18px -14px rgba(18,70,150,.5);
}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:-.5px;flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3}
.brand-text strong{font-size:16px;font-weight:700;color:var(--ink)}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.02em}
.brand:hover .brand-text strong{color:var(--primary)}

.topbar-actions{display:flex;align-items:center;gap:14px}
.search-entry{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;color:var(--text-3);background:#fff;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.search-entry:hover{border-color:var(--primary-line);color:var(--primary);background:var(--primary-mist)}
.online-dot{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-3);letter-spacing:.02em}
.online-dot i{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(18,168,122,.15)}

.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;position:relative;cursor:pointer}
.burger span{position:absolute;left:11px;right:11px;top:50%;height:2px;background:var(--ink);margin-top:-1px;border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.site-header.nav-open .burger span{transform:rotate(45deg)}
.site-header.nav-open .burger span::before{transform:translateY(6px) rotate(-90deg)}
.site-header.nav-open .burger span::after{opacity:0}

.channelbar{background:var(--block);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channelbar .container{position:relative}
.channel-scroll{display:flex;align-items:center;gap:6px;height:var(--channel-h);overflow-x:auto;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.channel-link:hover{color:var(--primary);background:var(--primary-mist)}
.channel-link.is-active{color:var(--primary);background:#fff;font-weight:600;box-shadow:inset 0 -2px 0 var(--primary)}

/* ============ 频道页首屏 ============ */
.page-hero{
  position:relative;overflow:hidden;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  padding:52px 0 60px;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(245,247,251,.9)}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.02em;margin-bottom:20px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C3CAD6}
.breadcrumb .current{color:var(--primary);font-weight:500}
.page-hero h1{font-size:44px;line-height:1.2;letter-spacing:-.6px;max-width:860px}
.page-hero .lead{margin-top:18px;max-width:780px;font-size:17px;line-height:1.85;color:var(--text-2)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--primary-line);color:var(--primary);
  font-size:13px;letter-spacing:.01em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section--soft{background:var(--block)}
.section--tight{padding-bottom:0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{display:block;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--primary);margin-bottom:12px}
.section-head h2{font-size:30px;line-height:1.3}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-3)}

/* ============ 数据条 ============ */
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.metric:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(26,95,208,.2)}
.metric strong{display:block;font-size:32px;line-height:1.2;color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--text-3)}

/* ============ 图文档案流 ============ */
.record-list{display:flex;flex-direction:column;gap:28px}
.record{
  display:grid;grid-template-columns:360px 1fr;gap:32px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,border-color .25s ease,transform .25s ease;
}
.record:hover{box-shadow:var(--sh-2);border-color:rgba(26,95,208,.2);transform:translateY(-2px)}
.record-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--primary-mist)}
.record-media img{width:100%;height:100%;object-fit:cover}
.record-body{display:flex;flex-direction:column;gap:14px}
.record-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.record-no{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--primary);color:#fff;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.06em;
}
.record-head h3{font-size:22px;line-height:1.4}
.record-body p{font-size:15px;line-height:1.8;color:var(--text-2)}
.record-points{display:flex;flex-wrap:wrap;gap:8px}
.point{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--block);color:var(--text-2);font-size:13px;letter-spacing:.01em;
}
.record-meta{
  display:flex;flex-wrap:wrap;gap:18px;margin-top:auto;padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);letter-spacing:.02em;font-variant-numeric:tabular-nums;
}
.record-meta em{font-style:normal;color:var(--accent);font-weight:600}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--primary-line)}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:500;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-icon{flex:0 0 auto;transition:transform .25s ease;color:currentColor}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-3)}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;
  padding:56px;box-shadow:var(--sh-2);
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(239,245,255,.93)}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center}
.cta-inner h2{font-size:28px;line-height:1.35}
.cta-inner p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 相关频道 ============ */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.related-card{
  display:flex;flex-direction:column;gap:8px;padding:20px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  transition:transform .2s ease,box-shadow .25s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-2px);border-color:rgba(26,95,208,.2);box-shadow:var(--sh-2)}
.related-card strong{font-size:16px;font-weight:600;color:var(--ink)}
.related-card span{font-size:13px;line-height:1.7;color:var(--text-3)}

/* ============ 页脚 ============ */
.site-footer{background:#10243F;color:#C6D2E4;margin-top:88px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand strong{display:block;font-size:18px;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9FB0C8}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#9FB0C8}
.footer-col a:hover{color:#7EA9F0}
.footer-contact p{font-size:14px;color:#9FB0C8;margin-bottom:8px}
.qr-box{
  width:104px;height:104px;margin-top:14px;border:1px dashed rgba(255,255,255,.3);border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:#9FB0C8;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  font-size:13px;color:#7E90AA;
}

/* ============ 图片失败占位 ============ */
.img-fail{position:relative}
.img-fail::after{
  content:"图片加载中";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:var(--primary-mist);color:var(--text-3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--container:1140px}
  .record{grid-template-columns:320px 1fr;gap:26px}
}
@media (max-width:1023px){
  .burger{display:block}
  .channelbar{display:none;background:#fff}
  .site-header.nav-open .channelbar{display:block}
  .channel-scroll{flex-direction:column;align-items:stretch;height:auto;padding:12px 0;gap:4px;overflow:visible}
  .channel-link{height:44px;border-radius:10px;padding:0 14px}
  .channel-link.is-active{box-shadow:inset 3px 0 0 var(--primary)}
  .search-entry{display:none}
  .page-hero h1{font-size:36px}
  .record{grid-template-columns:1fr}
  .record-media{aspect-ratio:16/9}
  .section{padding:64px 0}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:24px;padding:0}
  .site-footer{margin-top:64px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:36px 0 44px}
  .page-hero h1{font-size:30px;line-height:1.25;letter-spacing:-.3px}
  .page-hero .lead{font-size:16px}
  .section{padding:56px 0}
  .section-head h2{font-size:24px}
  .metrics-grid{grid-template-columns:1fr}
  .record{padding:20px;gap:20px}
  .record-head h3{font-size:20px}
  .cta-band{padding:32px 24px;border-radius:16px}
  .cta-inner h2{font-size:23px}
  .related-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr;padding:48px 0 32px}
  .site-footer{margin-top:56px}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .brand-text span{display:none}
  .btn{width:100%}
  .topbar-actions .btn-sm{width:auto}
}
@media (max-width:360px){
  .container{padding:0 16px}
  .brand-text strong{font-size:15px}
}

/* roulang page: category2 */
:root{
  --primary:#1A5FD0;
  --primary-dark:#1349A6;
  --primary-light:#2E7BE6;
  --primary-mist:#EFF5FF;
  --primary-border:#DCE8FE;
  --accent:#FF6B2C;
  --success:#12A87A;
  --warning:#E8A33D;
  --danger:#E0533D;
  --ink:#12161D;
  --ink-2:#3A4250;
  --ink-3:#6B7482;
  --line:#E3E8EF;
  --page:#F5F7FB;
  --card:#FFFFFF;
  --soft:#F0F4FA;
  --footer-bg:#10243F;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(18,22,29,.06);
  --sh-2:0 6px 20px -8px rgba(18,70,150,.14);
  --sh-3:0 12px 32px -10px rgba(18,70,150,.22);
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:88px; --s-10:112px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  font-weight:400;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-dark);}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.01em;}
h1{font-size:44px;line-height:1.2;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:22px;line-height:1.4;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-soft{background:var(--soft);}
.section-white{background:var(--card);}
.section-head{max-width:760px;margin-bottom:var(--s-7);}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-mist);
  border:1px solid var(--primary-border);
  border-radius:var(--r-pill);
  padding:4px 12px;margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--ink-3);margin:0;font-size:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  border:1px solid transparent;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-light);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-border);}
.btn-ghost:hover{background:var(--primary-mist);color:var(--primary-dark);border-color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--primary);}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover svg{transform:translateX(2px);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;letter-spacing:.02em;
  background:var(--primary-mist);color:var(--primary);
  border:1px solid var(--primary-border);
}
.tag-accent{background:#FFF1EA;color:#C94C16;border-color:#FFDCCB;}
.tag-success{background:#E9F8F2;color:#0B7E5B;border-color:#C8EEE1;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.topbar{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:var(--s-5);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:700;color:var(--ink);}
.brand-text span{font-size:12px;color:var(--ink-3);letter-spacing:.02em;}
.topbar-actions{display:flex;align-items:center;gap:var(--s-4);}
.search-entry{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--ink-3);font-size:14px;
  border:1px solid var(--line);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.search-entry:hover{background:var(--primary-mist);color:var(--primary);border-color:var(--primary-border);}
.online-dot{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);}
.online-dot i{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block;}
.burger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink-2);border-radius:2px;position:absolute;transition:transform .2s ease,opacity .2s ease;
}
.burger span::before{transform:translateY(-6px);}
.burger span::after{transform:translateY(6px);}
.burger[aria-expanded="true"] span{background:transparent;}
.burger[aria-expanded="true"] span::before{transform:rotate(45deg);}
.burger[aria-expanded="true"] span::after{transform:rotate(-45deg);}

.channelbar{background:var(--soft);border-top:1px solid #fff;border-bottom:1px solid var(--line);}
.channel-scroll{
  display:flex;align-items:center;gap:6px;
  height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  flex:0 0 auto;padding:6px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:background-color .18s ease,color .18s ease;
}
.channel-link:hover{color:var(--primary);background:#fff;}
.channel-link.is-active{color:var(--primary);background:var(--primary-mist);border-bottom-color:var(--primary);}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(18,22,29,.42);
}
.nav-drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;display:flex;flex-direction:column;
  box-shadow:-12px 0 32px -16px rgba(18,70,150,.35);
  animation:drawerIn .22s ease;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.6;}to{transform:none;opacity:1;}}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:600;
}
.drawer-close{
  width:34px;height:34px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:16px;line-height:1;color:var(--ink-3);
}
.drawer-body{padding:16px 20px;overflow-y:auto;flex:1;}
.drawer-group{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;margin:0 0 10px;}
.drawer-list li{margin-bottom:4px;}
.drawer-list a{
  display:block;padding:10px 12px;border-radius:var(--r-btn);
  font-size:15px;color:var(--ink-2);
}
.drawer-list a:hover{background:var(--soft);color:var(--primary);}
.drawer-list a.is-active{background:var(--primary-mist);color:var(--primary);font-weight:500;}
.drawer-cta{
  padding:16px 20px;border-top:1px solid var(--line);background:#fff;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:22px 0 0;font-size:13px;color:var(--ink-3);letter-spacing:.02em;
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#B7BFCB;}
.breadcrumb .current{color:var(--primary);font-weight:500;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:#fff;
  background-image:linear-gradient(180deg,rgba(255,255,255,.92),rgba(245,247,251,.96)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:var(--s-8);
  align-items:center;padding:56px 0 88px;
}
.hero-copy h1{font-size:44px;line-height:1.2;margin-bottom:18px;}
.hero-copy h1 .hl{color:var(--primary);}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;
}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.fact-chip b{font-variant-numeric:tabular-nums;color:var(--primary);font-weight:700;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-2);
}
.hero-card{
  position:relative;margin-top:-46px;margin-left:24px;
  background:#fff;border-radius:var(--r-card);
  box-shadow:var(--sh-3);border:1px solid var(--line);
  padding:20px 22px;max-width:340px;
}
.hero-card h3{font-size:15px;margin-bottom:12px;}
.hero-card ul li{
  display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7;
  padding:7px 0;border-top:1px dashed var(--line);
}
.hero-card ul li:first-child{border-top:0;padding-top:0;}
.hero-card ul li b{
  flex:0 0 auto;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:1px;background:var(--primary-border);
}
.tl-item{position:relative;padding-bottom:var(--s-7);}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:8px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
}
.tl-item.is-accent::before{border-color:var(--accent);background:#FFF1EA;}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px;}
.tl-step{
  font-size:13px;font-weight:500;color:var(--primary);
  background:var(--primary-mist);border:1px solid var(--primary-border);
  border-radius:var(--r-pill);padding:2px 12px;letter-spacing:.04em;
}
.tl-head h3{font-size:20px;}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.tl-card:hover{box-shadow:var(--sh-2);border-color:var(--primary-border);transform:translateY(-2px);}
.tl-card p{color:var(--ink-2);font-size:15px;line-height:1.8;margin-bottom:0;}
.tl-fields{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 24px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
}
.tl-fields div{display:flex;gap:8px;font-size:14px;color:var(--ink-3);line-height:1.7;}
.tl-fields div b{flex:0 0 auto;color:var(--ink);font-weight:500;}

/* ---------- 场景对照列表 ---------- */
.cmp-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.cmp-head{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:24px;padding:16px 24px;background:var(--soft);
  font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;
  border-bottom:1px solid var(--line);
}
.cmp-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);
  gap:24px;padding:20px 24px;border-top:1px solid var(--line);
  transition:background-color .18s ease;
}
.cmp-row:first-of-type{border-top:0;}
.cmp-row:hover{background:#FAFCFF;}
.cmp-scene{display:flex;gap:10px;font-size:15px;font-weight:500;color:var(--ink);line-height:1.7;}
.cmp-scene i{
  width:8px;height:8px;border-radius:50%;background:var(--primary);flex:0 0 auto;margin-top:11px;
}
.cmp-do{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- 自查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.check-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.check-item:hover{box-shadow:var(--sh-2);border-color:var(--primary-border);transform:translateY(-2px);}
.check-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  background:var(--primary-mist);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.check-item h4{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:15px;color:var(--ink-3);line-height:1.7;margin:0;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:var(--s-8);align-items:start;}
.faq-side{position:sticky;top:130px;}
.faq-side h3{font-size:16px;margin-bottom:14px;}
.faq-side ul li{margin-bottom:4px;}
.faq-side a{
  display:block;font-size:14px;color:var(--ink-3);
  padding:8px 12px;border-radius:var(--r-btn);border-left:2px solid transparent;
}
.faq-side a:hover{background:#fff;color:var(--primary);border-left-color:var(--primary);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--primary-border);box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:var(--primary-border);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:18px 22px;font-size:16px;font-weight:500;color:var(--ink);line-height:1.6;
}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-q .arrow{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--soft);color:var(--ink-3);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(180deg);background:var(--primary-mist);color:var(--primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a p{
  margin:0;padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.8;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;color:#fff;border-radius:20px;overflow:hidden;
  background:#1A5FD0;
  background-image:linear-gradient(rgba(26,95,208,.93),rgba(19,73,166,.95)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:56px;box-shadow:var(--sh-2);
}
.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--s-7);align-items:center;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-primary{background:#fff;color:var(--primary-dark);}
.cta-band .btn-primary:hover{background:#F3F8FF;color:var(--primary-dark);}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- 相关频道 ---------- */
.related-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--sh-1);
}
.related-bar .label{font-size:14px;font-weight:600;color:var(--ink-2);margin-right:6px;}
.related-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:14px;color:var(--ink-2);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.related-link:hover{background:var(--primary-mist);color:var(--primary);border-color:var(--primary-border);}
.related-link.is-current{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ---------- Footer ---------- */
.site-footer{background:var(--footer-bg);color:#C7D3E3;margin-top:0;padding-top:64px;}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--s-7);
  padding-bottom:48px;border-top:1px solid rgba(255,255,255,.12);
  padding-top:48px;
}
.footer-brand strong{display:block;color:#fff;font-size:18px;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#93A4BC;margin:0;}
.footer-col h4{color:#E7EEF8;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#9FB0C7;}
.footer-col ul a:hover{color:#6FA5F0;}
.footer-contact p{font-size:14px;color:#9FB0C7;margin:0 0 8px;}
.qr-box{
  margin-top:14px;width:104px;height:104px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.32);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:#8EA1BA;line-height:1.5;padding:8px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8296AF;
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .container{max-width:1280px;}
}
@media (max-width:1279px){
  .hero-grid{gap:48px;}
  h1{font-size:38px;}
  .hero-copy h1{font-size:38px;}
}
@media (max-width:1023px){
  .search-entry{display:none;}
  .burger{display:inline-flex;}
  .channelbar{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;padding:40px 0 64px;}
  .hero-copy h1{font-size:34px;}
  .hero-copy h1 br{display:none;}
  .hero-visual{margin-top:8px;}
  .hero-card{margin:16px 0 0;max-width:none;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-side{position:static;}
  .faq-side ul{display:flex;flex-wrap:wrap;gap:8px;}
  .faq-side ul li{margin:0;}
  .faq-side a{border-left:0;border:1px solid var(--line);background:#fff;}
  .cta-inner{grid-template-columns:1fr;gap:24px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .hero-copy h1{font-size:30px;line-height:1.25;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .breadcrumb .sep.crumb-mid,.breadcrumb .crumb-mid{display:none;}
  .timeline{padding-left:28px;}
  .tl-fields{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .cmp-head{display:none;}
  .cmp-row{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
  .cmp-do{padding-left:18px;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:22px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-top:36px;}
  .footer-bottom{justify-content:flex-start;}
  .brand-text span{display:none;}
}
@media (max-width:520px){
  .topbar-actions{gap:8px;}
  .online-dot{display:none;}
  .btn{width:100%;}
  .hero-actions,.cta-actions{gap:10px;}
  .tl-card{padding:18px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .related-bar{padding:16px;}
}
@media (max-width:360px){
  .container{padding:0 16px;}
  .brand-mark{width:34px;height:34px;font-size:15px;}
  .brand-text strong{font-size:15px;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --primary:#1A5FD0;
  --primary-dark:#1349A6;
  --primary-light:#2E7BE6;
  --primary-mist:#EFF5FF;
  --primary-line:#DCE8FE;
  --accent:#FF6B2C;
  --success:#12A87A;
  --warning:#E8A33D;
  --danger:#E0533D;
  --ink:#12161D;
  --text-2:#3A4250;
  --text-3:#6B7482;
  --line:#E3E8EF;
  --page:#F5F7FB;
  --card:#FFFFFF;
  --soft:#F0F4FA;
  --footer:#10243F;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(18,22,29,.06);
  --shadow-card:0 6px 20px -8px rgba(18,70,150,.14);
  --shadow-hover:0 12px 32px -10px rgba(18,70,150,.22);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--primary-dark)}
button{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
h1{font-size:44px;line-height:1.2;font-weight:700}
h2{font-size:30px;line-height:1.3;font-weight:700}
h3{font-size:22px;line-height:1.4;font-weight:700}
h4{font-size:18px;line-height:1.5;font-weight:600}
.tnum{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:12px}
.section-head p{font-size:16px;color:var(--text-3);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;font-weight:600;
  color:var(--primary);background:var(--primary-mist);
  border:1px solid var(--primary-line);border-radius:var(--radius-pill);
  padding:4px 12px;margin-bottom:16px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .18s 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;transform:translateY(-1px);box-shadow:var(--shadow-card)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary-line)}
.btn-ghost:hover{background:var(--primary-mist);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--primary);border-color:#fff}
.btn-light:hover{background:var(--primary-mist);color:var(--primary-dark);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-lg{height:48px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:var(--shadow-1)}
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:64px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--primary);
  color:#fff;display:grid;place-items:center;
  font-size:16px;font-weight:700;letter-spacing:.02em;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;font-weight:700}
.brand-text span{font-size:12.5px;color:var(--text-3);letter-spacing:.02em}
.topbar-actions{display:flex;align-items:center;gap:12px}
.search-entry{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;
  border-radius:var(--radius-pill);background:var(--soft);color:var(--text-2);
  font-size:13.5px;text-decoration:none;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.search-entry:hover{background:var(--primary-mist);color:var(--primary);border-color:var(--primary-line)}
.online-dot{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);white-space:nowrap}
.online-dot i{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(18,168,122,.14);flex:none}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;position:relative;padding:0;
}
.burger span,.burger::before,.burger::after{
  content:"";position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--text-2);
  transition:transform .24s ease,opacity .2s ease;
}
.burger::before{top:13px}
.burger span{top:20px}
.burger::after{top:27px}
body.menu-open .burger::before{transform:translateY(7px) rotate(45deg)}
body.menu-open .burger span{opacity:0}
body.menu-open .burger::after{transform:translateY(-7px) rotate(-45deg)}

.channelbar{border-top:1px solid var(--line);background:var(--soft)}
.channel-scroll{
  display:flex;align-items:stretch;gap:4px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:48px;
  padding:0 16px;font-size:14.5px;color:var(--text-2);text-decoration:none;
  white-space:nowrap;transition:color .2s ease,background-color .2s ease;
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  border-radius:2px;background:transparent;transition:background-color .2s ease;
}
.channel-link:hover{color:var(--primary);background:rgba(26,95,208,.06)}
.channel-link.is-active{color:var(--primary);font-weight:600}
.channel-link.is-active::after{background:var(--primary)}
.channel-link.is-active:hover{background:var(--primary-mist)}

/* ============ 移动抽屉 ============ */
.overlay{
  position:fixed;inset:0;background:rgba(16,36,63,.42);
  opacity:0;pointer-events:none;transition:opacity .24s ease;z-index:70;
}
body.menu-open .overlay{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:#fff;z-index:80;display:flex;flex-direction:column;
  transform:translateX(103%);transition:transform .28s ease;
  box-shadow:-12px 0 32px -18px rgba(18,70,150,.4);
}
body.menu-open .drawer{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line);font-weight:600;
}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;display:grid;place-items:center;padding:0;
  transition:background-color .2s ease,border-color .2s ease;
}
.drawer-close:hover{background:var(--primary-mist);border-color:var(--primary-line)}
.drawer-body{padding:20px;overflow-y:auto;flex:1}
.drawer-group{font-size:13px;letter-spacing:.06em;color:var(--text-3);margin-bottom:10px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--text-2);
  text-decoration:none;font-size:15px;transition:background-color .2s ease,color .2s ease;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--primary-mist);color:var(--primary)}
.drawer-nav a.is-active{font-weight:600}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;isolation:isolate;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:64px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:rgba(239,245,255,.92);
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;letter-spacing:.02em;color:var(--text-3);margin-bottom:20px;
}
.crumb a{color:var(--text-3);text-decoration:none}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:#B6BFCC}
.crumb .current{color:var(--primary);font-weight:600}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.hero-copy h1{max-width:16em}
.hero-copy h1 em{font-style:normal;color:var(--primary)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  margin-top:36px;padding-top:28px;border-top:1px solid var(--primary-line);
}
.stat-row .num{
  font-size:28px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-row .num i{font-style:normal;font-size:16px;margin-left:2px}
.stat-row .lbl{font-size:13px;color:var(--text-3);letter-spacing:.02em;margin-top:6px}
.hero-card{
  background:#fff;border-radius:20px;box-shadow:var(--shadow-card);
  padding:26px;border:1px solid var(--line);
}
.hero-card h3{font-size:18px;margin-bottom:6px}
.hero-card .hint{font-size:13px;color:var(--text-3);margin-bottom:18px}
.hero-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.hero-list li:last-child{border-bottom:0;padding-bottom:0}
.hero-list .k{
  flex:none;width:24px;height:24px;border-radius:8px;background:var(--primary-mist);
  color:var(--primary);font-size:13px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.hero-card .btn{margin-top:20px}

/* ============ 筛选胶囊 + 卡片网格 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-pill);box-shadow:var(--shadow-1);
  width:fit-content;max-width:100%;margin-bottom:32px;
}
.filter-pill{
  height:38px;padding:0 18px;border-radius:var(--radius-pill);
  border:1px solid transparent;background:transparent;color:var(--text-2);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.filter-pill:hover{background:var(--primary-mist);color:var(--primary)}
.filter-pill.is-active{background:var(--primary);color:#fff;border-color:var(--primary)}
.filter-count{margin-left:8px;font-size:13px;color:var(--text-3)}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(26,95,208,.2);box-shadow:var(--shadow-hover)}
.card-media{aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5}
.card-desc{font-size:15px;line-height:1.7;color:var(--text-3)}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:6px;font-size:13px;letter-spacing:.02em;color:var(--text-3);
}
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--radius-pill);font-size:13px;font-weight:500;
  background:var(--primary-mist);color:var(--primary);border:1px solid var(--primary-line);
  white-space:nowrap;
}
.pill-accent{background:rgba(255,107,44,.1);color:#C64A12;border-color:rgba(255,107,44,.25)}
.pill-success{background:rgba(18,168,122,.1);color:#0C7D5B;border-color:rgba(18,168,122,.22)}
.card.is-hidden{display:none}
.empty-tip{
  display:none;align-items:center;gap:14px;padding:24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  color:var(--text-3);font-size:15px;
}
.empty-tip.is-show{display:flex}
.empty-tip svg{flex:none;color:var(--primary)}

/* ============ 数据字段表 ============ */
.table-wrap{overflow-x:auto;border-radius:var(--radius-card);box-shadow:var(--shadow-card);background:#fff}
table.data-table{width:100%;border-collapse:collapse;min-width:640px;border-top:2px solid var(--primary)}
.data-table th,.data-table td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.data-table thead th{background:var(--primary-mist);color:var(--primary-dark);font-weight:600;letter-spacing:.02em;white-space:nowrap}
.data-table tbody tr:nth-child(even){background:#FAFCFF}
.data-table tbody tr:hover{background:var(--primary-mist)}
.data-table td:first-child{font-weight:500;color:var(--ink);white-space:nowrap}
.data-table td:nth-child(3){color:var(--text-3);font-size:14px}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:stretch}
.scene-major{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:grid;grid-template-columns:5fr 6fr;
}
.scene-major .media{background:var(--soft);min-height:260px}
.scene-major .media img{width:100%;height:100%;object-fit:cover}
.scene-major .body{padding:32px}
.scene-major h3{margin:14px 0 12px}
.scene-major ul li{
  position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--text-2);margin-top:8px;
}
.scene-major ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary-light);
}
.scene-side{display:grid;gap:24px}
.scene-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.scene-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-card)}
.scene-mini h4{margin-bottom:8px}
.scene-mini p{font-size:15px;color:var(--text-3);line-height:1.7}
.scene-mini .row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start}
.faq-aside{position:sticky;top:120px}
.faq-aside h3{font-size:18px;margin-bottom:12px}
.faq-aside p{font-size:14.5px;color:var(--text-3);line-height:1.8}
.faq-anchors{display:grid;gap:6px;margin-top:18px}
.faq-anchors a{
  display:block;padding:10px 14px;border-radius:10px;font-size:14.5px;
  color:var(--text-2);text-decoration:none;background:#fff;border:1px solid var(--line);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.faq-anchors a:hover{background:var(--primary-mist);color:var(--primary);border-color:var(--primary-line)}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--shadow-card)}
.faq-q{margin:0;font-size:inherit;font-weight:inherit}
.faq-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;border-radius:12px;
}
.faq-trigger:hover{color:var(--primary)}
.faq-item.is-open .faq-trigger{color:var(--primary)}
.faq-arrow{flex:none;transition:transform .24s ease;color:var(--text-3)}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-panel{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-3)}
.faq-panel[hidden]{display:none}

/* ============ CTA 横幅 ============ */
.cta-band{
  position:relative;isolation:isolate;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(19,73,166,.94),rgba(26,95,208,.94));
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;
}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.86);max-width:44em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ============ 相关频道横条 ============ */
.related-strip{padding:56px 0 88px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}
.related-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;
  text-decoration:none;color:var(--ink);font-size:15px;font-weight:500;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.related-item:hover{transform:translateY(-2px);border-color:rgba(26,95,208,.25);box-shadow:var(--shadow-card);color:var(--primary)}
.related-item .arrow{color:var(--primary);transition:transform .2s ease}
.related-item:hover .arrow{transform:translateX(2px)}
.related-item.is-current{background:var(--primary-mist);border-color:var(--primary-line);color:var(--primary);font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer);color:#C8D4E4;padding:64px 0 0;font-size:14px}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:14px}
.footer-brand p{line-height:1.85;color:#9FB0C6}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A9B9CD;text-decoration:none;font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--primary-light)}
.footer-contact p{color:#9FB0C6;margin-bottom:8px}
.qr-box{
  margin-top:14px;width:112px;height:112px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.28);
  display:grid;place-items:center;text-align:center;font-size:13px;line-height:1.5;color:#A9B9CD;
}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;font-size:13px;color:#8C9DB4;letter-spacing:.02em;
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1279px){
  h1{font-size:38px}
  .hero-grid{gap:36px}
}
@media (max-width:1023px){
  .burger{display:block}
  .online-dot{display:none}
  .search-entry span{display:none}
  .search-entry{padding:0 10px}
  h1{font-size:34px}
  h2{font-size:26px}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .scene-major{grid-template-columns:1fr}
  .scene-major .media{min-height:200px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-aside{position:static}
  .faq-anchors{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  h1{font-size:30px;line-height:1.25}
  h2{font-size:24px}
  h3{font-size:20px}
  .section{padding:56px 0}
  .brand-text span{display:none}
  .brand-text strong{font-size:15.5px}
  .brand-mark{width:36px;height:36px;font-size:15px}
  .search-entry{display:none}
  .channel-link{padding:0 12px;font-size:14px}
  .channel-link::after{left:12px;right:12px}
  .page-hero{padding:44px 0 52px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{flex:1 1 auto}
  .stat-row{grid-template-columns:1fr;gap:18px;margin-top:28px;padding-top:22px}
  .stat-row .num{font-size:24px}
  .grid-cards{grid-template-columns:1fr}
  .filter-bar{border-radius:14px;width:100%;overflow-x:auto;flex-wrap:nowrap}
  .filter-pill{flex:none}
  .card-body{padding:20px}
  .scene-major .body{padding:24px}
  .faq-anchors{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-actions .btn{width:100%}
}
@media (max-width:360px){
  .container{padding:0 16px}
  h1{font-size:26px}
  .btn{padding:0 18px}
}

/* roulang page: category4 */
:root{
  --brand:#1A5FD0;
  --brand-dark:#1349A6;
  --brand-light:#2E7BE6;
  --brand-mist:#EFF5FF;
  --brand-line:#DCE8FE;
  --accent:#FF6B2C;
  --ok:#12A87A;
  --warn:#E8A33D;
  --err:#E0533D;
  --ink:#12161D;
  --text2:#3A4250;
  --text3:#6B7482;
  --line:#E3E8EF;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --soft:#F0F4FA;
  --footer:#10243F;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(18,22,29,.06);
  --sh-2:0 6px 20px -8px rgba(18,70,150,.14);
  --sh-3:0 12px 32px -10px rgba(18,70,150,.22);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em}
h1{font-size:44px;line-height:1.2}
h2{font-size:30px;line-height:1.3}
h3{font-size:22px;line-height:1.4}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-line);color:var(--brand-dark)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-5)}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 var(--sp-5);border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand-line)}
.btn-ghost:hover{background:var(--brand-mist);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-white{background:#fff;color:var(--brand);border-color:#fff}
.btn-white:hover{background:var(--brand-mist);color:var(--brand-dark);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 var(--sp-4);font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--brand)}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(2px)}
.article-link{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 1px 0 var(--line)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-5);min-height:64px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;background:var(--brand);
  color:#fff;font-weight:700;font-size:16px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text strong{display:block;font-size:16px;line-height:1.3;font-weight:700}
.brand-text span{display:block;font-size:12px;color:var(--text3);letter-spacing:.02em;line-height:1.5}
.topbar-actions{display:flex;align-items:center;gap:var(--sp-4)}
.search-entry{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--soft);
  color:var(--text3);font-size:14px;transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.search-entry:hover{border-color:var(--brand-line);background:var(--brand-mist);color:var(--brand)}
.online-dot{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text3);letter-spacing:.02em}
.online-dot i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;box-shadow:0 0 0 3px rgba(18,168,122,.14)}
.burger{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.burger span{position:relative;width:16px;height:2px;background:var(--ink);border-radius:2px;display:block}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-5px}
.burger span::after{top:5px}

.channelbar{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channel-scroll{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text2);white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.channel-link:hover{color:var(--brand);background:var(--brand-mist)}
.channel-link.is-active{color:var(--brand);background:var(--brand-mist);box-shadow:inset 0 -2px 0 var(--brand);font-weight:500}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;background:#EFF5FF;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-banner::before{content:"";position:absolute;inset:0;background:rgba(239,245,255,.9)}
.page-banner .container{position:relative;z-index:1;padding-top:var(--sp-7);padding-bottom:var(--sp-7)}
.breadcrumb{font-size:13px;color:var(--text3);letter-spacing:.02em;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3CAD6}
.breadcrumb .current{color:var(--brand);font-weight:500}
.page-banner h1{font-size:40px;line-height:1.25;margin:var(--sp-4) 0 var(--sp-3);max-width:860px}
.page-intro{max-width:780px;font-size:17px;color:var(--text2);margin:0}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--sp-5)}
.pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;letter-spacing:.02em;background:#fff;color:var(--brand);border:1px solid var(--brand-line);
}
.pill-accent{background:#FFF1E9;color:#C6491A;border-color:#FFD9C6}

/* ---------- 主体布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:var(--sp-6);padding:var(--sp-8) 0 var(--sp-9)}
.section-head{margin-bottom:var(--sp-5)}
.section-head h2{font-size:30px}
.section-head p{color:var(--text2);font-size:16px;margin:10px 0 0;max-width:720px}

.entry{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:var(--sp-5);box-shadow:var(--sh-1);margin-bottom:var(--sp-5);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.entry:hover{box-shadow:var(--sh-2);border-color:#CBDCF7}
.entry-head{display:flex;align-items:flex-start;gap:var(--sp-4)}
.entry-no{
  flex:0 0 44px;height:44px;border-radius:12px;background:var(--brand-mist);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.entry-head h3{font-size:22px;line-height:1.4}
.entry-head .entry-sub{font-size:13px;color:var(--text3);letter-spacing:.02em;margin-top:4px}
.entry-body{margin-top:var(--sp-4);color:var(--text2);font-size:16px}
.entry-body strong{color:var(--ink);font-weight:500}

.checklist{list-style:none;margin:var(--sp-4) 0 0;display:grid;gap:10px}
.checklist li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:var(--text2)}
.checklist li::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--brand-line);border:2px solid var(--brand);
}
.checklist li b{color:var(--ink);font-weight:500}

.entry-figure{margin:var(--sp-5) 0 0}
.entry-figure img{border-radius:var(--r-img);width:100%;object-fit:cover;aspect-ratio:16/9}
.entry-figure figcaption{text-align:center;font-size:13px;color:var(--text3);margin-top:10px;letter-spacing:.02em}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-img);background:#fff;margin-top:var(--sp-5)}
table{width:100%;border-collapse:collapse;min-width:560px}
table caption{text-align:left;font-size:13px;color:var(--text3);padding:12px 16px 0;letter-spacing:.02em}
th{background:var(--soft);font-size:14px;font-weight:600;text-align:left;padding:12px 16px;color:var(--text2);white-space:nowrap}
td{padding:12px 16px;font-size:15px;color:var(--text2);border-top:1px solid var(--line)}
tbody tr:nth-child(even){background:#FAFCFF}
td .tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;background:var(--brand-mist);color:var(--brand)}

/* ---------- 侧栏 ---------- */
.side{display:grid;gap:var(--sp-5);align-content:start}
.side-sticky{position:sticky;top:96px;display:grid;gap:var(--sp-5)}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:var(--sp-5);box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;margin-bottom:var(--sp-3);display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.side-list{list-style:none;display:grid;gap:10px;font-size:14px;color:var(--text2)}
.side-list li{display:flex;gap:8px;line-height:1.7}
.side-list li i{flex:0 0 6px;height:6px;margin-top:9px;border-radius:50%;background:var(--brand-line);border:1px solid var(--brand)}
.side-stats{display:grid;gap:var(--sp-3)}
.side-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px dashed var(--line)}
.side-stat:last-child{border-bottom:0;padding-bottom:0}
.side-stat span{font-size:14px;color:var(--text3)}
.side-stat b{font-size:20px;color:var(--accent);font-variant-numeric:tabular-nums;font-weight:700}
.side-note{background:var(--brand-mist);border:1px solid var(--brand-line);border-radius:var(--r-card);padding:var(--sp-5);font-size:14px;color:var(--text2)}
.side-note strong{display:block;color:var(--brand-dark);font-size:15px;margin-bottom:8px}
.side-links{list-style:none;display:grid;gap:8px;font-size:14px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border-radius:10px;background:var(--soft);color:var(--text2)}
.side-links a:hover{background:var(--brand-mist);color:var(--brand)}

/* ---------- FAQ ---------- */
.faq-block{padding:var(--sp-9) 0;background:#fff;border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:var(--sp-6)}
.faq-aside h2{font-size:30px;line-height:1.3}
.faq-aside p{color:var(--text2);font-size:15px;margin-top:12px}
.faq-aside .anchor-list{list-style:none;margin-top:var(--sp-5);display:grid;gap:8px;font-size:14px}
.faq-aside .anchor-list a{display:block;padding:8px 12px;border-radius:10px;color:var(--text2);border:1px solid transparent}
.faq-aside .anchor-list a:hover{background:var(--brand-mist);color:var(--brand);border-color:var(--brand-line)}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#CBDCF7;box-shadow:var(--sh-1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;text-align:left;font-size:16px;font-weight:500;color:var(--ink);line-height:1.6}
.faq-item.is-open{border-color:var(--brand-line);box-shadow:var(--sh-2)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-arrow{flex:0 0 18px;color:var(--text3);transition:transform .25s ease,color .25s ease}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-a{display:none;padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--text2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-section{padding:var(--sp-9) 0}
.cta-band{
  position:relative;border-radius:20px;overflow:hidden;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(26,95,208,.9)}
.cta-inner{position:relative;z-index:1;padding:var(--sp-7);display:grid;grid-template-columns:1.5fr 1fr;gap:var(--sp-6);align-items:center;color:#fff}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.3}
.cta-inner p{color:rgba(255,255,255,.88);font-size:16px;margin-top:12px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-meta{display:flex;flex-wrap:wrap;gap:16px;margin-top:var(--sp-5);font-size:13px;color:rgba(255,255,255,.82);letter-spacing:.02em}
.cta-meta span{display:inline-flex;align-items:center;gap:6px}
.cta-meta i{width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block;opacity:.8}

/* ---------- 相关频道 ---------- */
.related{padding:0 0 var(--sp-9)}
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-4)}
.ch-card{
  display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ch-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(26,95,208,.25)}
.ch-card img{width:56px;height:56px;flex:0 0 56px;border-radius:12px;object-fit:cover}
.ch-card strong{display:block;font-size:15px;color:var(--ink);font-weight:600}
.ch-card span{display:block;font-size:13px;color:var(--text3);margin-top:2px;line-height:1.6}
.ch-card.is-current{border-color:var(--brand-line);background:var(--brand-mist)}
.ch-card.is-current strong{color:var(--brand)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:#C8D4E4;padding:var(--sp-8) 0 0;margin-top:0}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--sp-6);
  padding-bottom:var(--sp-7);border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand strong{display:block;color:#fff;font-size:17px;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8;color:#A9B8CE;margin:0}
.footer-col h4{font-size:14px;color:#E8EFF9;font-weight:600;margin-bottom:var(--sp-4);letter-spacing:.02em}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:#A9B8CE}
.footer-col a:hover{color:#7FB0F5}
.footer-contact p{font-size:14px;color:#A9B8CE;margin:0 0 8px}
.qr-box{
  margin-top:var(--sp-4);width:110px;height:110px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.28);background:rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:#A9B8CE;line-height:1.6;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:var(--sp-5) 0;font-size:13px;color:#8A9CB8;letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:100%}
  .layout{grid-template-columns:minmax(0,1fr) 320px}
}
@media (max-width:1023px){
  h1{font-size:34px;line-height:1.25}
  .page-banner h1{font-size:32px}
  .layout{grid-template-columns:1fr;padding:var(--sp-7) 0 var(--sp-8)}
  .side-sticky{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:1fr;gap:var(--sp-5)}
  .faq-block{padding:var(--sp-7) 0}
  .cta-inner{grid-template-columns:1fr;padding:var(--sp-6)}
  .cta-actions{justify-content:flex-start}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5)}
  .search-entry{display:none}
  .burger{display:flex}
  .channel-scroll{display:none;height:auto;flex-direction:column;align-items:stretch;gap:4px;padding:12px 0}
  .channelbar.is-open .channel-scroll{display:flex}
  .channel-link{height:42px;border-radius:10px;padding:0 14px}
  .channel-link.is-active{box-shadow:none;border-left:3px solid var(--brand);border-radius:0 10px 10px 0}
}
@media (max-width:767px){
  body{font-size:15px}
  h1{font-size:30px}
  .page-banner h1{font-size:27px}
  .section-head h2,.faq-aside h2,.cta-inner h2{font-size:24px}
  .entry-head h3{font-size:19px}
  .container{padding:0 20px}
  .topbar{gap:12px}
  .brand-text span{display:none}
  .online-dot{display:none}
  .page-banner .container{padding-top:var(--sp-6);padding-bottom:var(--sp-6)}
  .entry{padding:20px}
  .related-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cta-band{border-radius:16px}
  .cta-inner{padding:var(--sp-5)}
}
@media (max-width:520px){
  .brand-text strong{font-size:15px;line-height:1.35}
  .btn{width:100%}
  .topbar-actions .btn-primary{width:auto}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:360px){
  .container{padding:0 16px}
}