/* roulang page: index */
:root{
  --primary:#12457F;
  --primary-deep:#0B2E55;
  --primary-soft:#E8F0FA;
  --accent:#FF7A1A;
  --accent-deep:#E0650A;
  --success:#12B886;
  --warn:#F2B21B;
  --danger:#D64545;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --ink:#0F1E33;
  --text:#33415C;
  --muted:#6B7A99;
  --s1:0 1px 2px rgba(18,69,127,.06);
  --s2:0 6px 18px rgba(18,69,127,.08);
  --s3:0 14px 34px rgba(18,69,127,.12);
  --r-card:10px;
  --r-img:14px;
  --r-btn:8px;
  --r-tag:6px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--accent-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
: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;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.sec-title{
  position:relative;
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:700;
  color:var(--ink);
  padding-left:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--accent);
}
.sec-sub{margin-top:10px;color:var(--muted);font-size:15px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;white-space:nowrap;
}
.link-arrow::after{content:"→";transition:transform .18s var(--ease);}
.link-arrow:hover{color:var(--accent-deep);}
.link-arrow:hover::after{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--s1);}
.btn--primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--s2);}
.btn--ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn--ghost:hover{background:var(--primary-soft);color:var(--primary);}
.btn--light{background:#fff;color:var(--primary);border-color:#fff;}
.btn--light:hover{background:var(--primary-soft);color:var(--primary);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(0);}
.btn:disabled,.btn.is-disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none;filter:saturate(60%);}

/* 标签与徽章 */
.tag{
  display:inline-block;padding:4px 10px;border-radius:var(--r-tag);
  font-size:13px;font-weight:600;letter-spacing:.02em;line-height:1.5;
}
.tag--soft{background:var(--primary-soft);color:var(--primary);}
.tag--new{background:var(--accent);color:#fff;}
.tag--live{background:rgba(18,184,134,.14);color:#0B7A5B;}
.tag--soon{background:rgba(242,178,27,.18);color:#8A6206;}
.tag--done{background:#EDF1F7;color:#5C6B85;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-tag);
  font-size:13px;font-weight:600;
}
.chip--live{background:rgba(18,184,134,.12);color:#0B7A5B;}
.chip--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success);}
.chip--plain{background:var(--primary-soft);color:var(--primary);}

/* 顶部活动条 */
.topbar{
  position:relative;background:var(--primary-deep);color:#fff;font-size:13px;
  line-height:40px;height:40px;overflow:hidden;
}
.topbar::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 10px);
}
.topbar__inner{display:flex;align-items:center;gap:18px;position:relative;z-index:1;}
.topbar__status{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(18,184,134,.2);color:#8FF0CE;
  padding:0 10px;height:22px;line-height:22px;border-radius:var(--r-tag);font-weight:600;
}
.topbar__status::before{content:"";width:6px;height:6px;border-radius:50%;background:#38E0AE;}
.topbar__msg{flex:1;color:rgba(255,255,255,.85);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__cd{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);}
.topbar__cd b{font-variant-numeric:tabular-nums;color:#FFB27A;letter-spacing:.04em;font-weight:700;}

/* 导航 */
.hd{
  position:sticky;top:0;z-index:90;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .2s var(--ease);
}
.hd.is-scrolled{box-shadow:var(--s2);}
.hd__inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--primary);color:#fff;
  font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;box-shadow:var(--s1);
}
.logo__text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav__link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--r-btn);
  color:var(--text);font-size:15px;font-weight:600;
  transition:background .18s var(--ease),color .18s var(--ease);
}
.nav__link:hover{background:var(--primary-soft);color:var(--primary);}
.nav__link.is-active{color:var(--primary);}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--accent);
}
.hd__right{display:flex;align-items:center;gap:12px;}
.burger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:12px 0 20px;
}
.drawer.is-open{display:block;}
.drawer__list{display:flex;flex-direction:column;}
.drawer__link{
  display:block;padding:14px 24px;font-size:17px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer__link.is-active{color:var(--primary);background:var(--primary-soft);}
.drawer__cta{padding:16px 24px 0;}

/* Hero */
.hero{
  position:relative;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  padding:72px 0 80px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,69,127,.09) 0%,rgba(18,69,127,0) 70%);
}
.hero__grid{position:relative;display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.hero__eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap;}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.18;font-weight:700;color:var(--ink);letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero__sub{
  margin-top:18px;max-width:560px;font-size:17px;line-height:1.8;color:var(--text);
}
.hero__actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.trust{display:flex;gap:28px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap;}
.trust__item{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--text);}
.trust__ico{
  width:26px;height:26px;border-radius:8px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.trust__ico svg{width:14px;height:14px;stroke:var(--primary);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;}
.hero__media{position:relative;}
.hero__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--s3);background:var(--primary-soft);
}
.corner-tag{
  position:absolute;right:0;top:18px;
  background:var(--accent);color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:7px 16px 7px 14px;
  clip-path:polygon(12px 0,100% 0,100% 100%,0 100%,0 12px);
}
.hero__float{
  position:absolute;left:-18px;bottom:24px;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--s3);
  padding:14px 18px;display:flex;flex-direction:column;line-height:1.3;
}
.hero__float b{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.hero__float span{font-size:13px;color:var(--muted);margin-top:2px;}

/* 服务速览 */
.svc{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);}
.svc__item{
  position:relative;padding:28px 22px 28px 24px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.svc__item::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:2px;
  background:var(--accent);opacity:0;transform:scaleY(.4);transform-origin:top;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.svc__item:hover{background:#fff;}
.svc__item:hover::before{opacity:1;transform:scaleY(1);}
.svc__item+.svc__item{border-left:1px solid var(--line);}
.svc__num{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.svc__title{font-size:18px;font-weight:600;color:var(--ink);margin-top:10px;}
.svc__desc{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--muted);min-height:76px;}
.svc__item .link-arrow{margin-top:14px;font-size:14px;}

/* 数据带 */
.stats{
  position:relative;background:var(--primary-deep);color:#fff;padding:64px 0;overflow:hidden;
}
.stats::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 11px);
}
.stats__head{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.stats__head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:#fff;}
.stats__head p{color:rgba(255,255,255,.65);font-size:14.5px;}
.stats__grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);}
.stats__item{padding:0 28px;}
.stats__item+.stats__item{border-left:1px solid rgba(255,255,255,.16);}
.stats__num{font-size:clamp(34px,4vw,48px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;color:#fff;}
.stats__num span{font-size:16px;font-weight:600;color:#FFB27A;margin-left:4px;}
.stats__label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);}

/* 方案区 */
.plan{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0;}
.plan+.plan{border-top:1px solid var(--line);}
.plan__media{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--s2);background:var(--primary-soft);}
.plan__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.plan__body h3{font-size:22px;font-weight:700;color:var(--ink);}
.plan__body p{margin-top:12px;color:var(--text);font-size:15.5px;}
.plan__list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.plan__list li{position:relative;padding-left:24px;font-size:15px;color:var(--text);}
.plan__list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--primary-soft);border:2px solid var(--primary);
}
.plan__body .btn{margin-top:26px;}
.plan--rev .plan__media{order:2;}
.plan__more{text-align:center;margin-top:44px;}

/* 案例区 */
.cases{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:1fr 1fr;gap:24px;}
.case{
  position:relative;display:block;border-radius:var(--r-img);overflow:hidden;
  background:var(--primary-deep);box-shadow:var(--s2);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.case:hover{transform:translateY(-2px);box-shadow:var(--s3);}
.case--big{grid-row:span 2;}
.case img{width:100%;height:100%;object-fit:cover;min-height:200px;}
.case--big img{min-height:420px;}
.case__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,46,85,0) 30%,rgba(11,46,85,.82) 100%);
}
.case__body{position:absolute;left:0;right:0;bottom:0;padding:24px;color:#fff;}
.case__body h3{font-size:18px;font-weight:600;color:#fff;line-height:1.45;}
.case--big .case__body h3{font-size:23px;}
.case__body p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.8);}
.case__meta{position:absolute;left:24px;top:24px;display:flex;gap:8px;flex-wrap:wrap;}
.case__meta .tag{background:rgba(255,255,255,.94);color:var(--primary);}

/* 最新信息 */
.news__grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:var(--primary-soft);}
.news__main{overflow:hidden;display:block;}
.news__main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--primary-soft);}
.news__main-body{padding:24px;}
.news__main-body h3{margin-top:14px;font-size:21px;font-weight:600;color:var(--ink);line-height:1.45;}
.news__main-body p{margin-top:10px;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta{display:inline-block;margin-top:16px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news__rows{display:flex;flex-direction:column;gap:14px;}
.news__row{
  display:flex;gap:16px;align-items:center;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);padding:14px;
  box-shadow:var(--s1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news__row:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:var(--primary-soft);}
.news__row img{width:96px;height:72px;border-radius:8px;object-fit:cover;flex:0 0 auto;background:var(--primary-soft);}
.news__row-body{min-width:0;flex:1;}
.news__row-body h3{
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news__row-body .meta{margin-top:6px;}
.dot-cat{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:6px;vertical-align:middle;}
.empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:64px 24px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  color:var(--muted);font-size:15px;
}
.empty__ico{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px;font-weight:700;
}

/* FAQ */
.faq{max-width:880px;margin:0 auto;}
.faq__item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-btn);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq__item.is-open{border-color:var(--primary-soft);box-shadow:var(--s2);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq__q:hover{color:var(--primary);}
.faq__mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:6px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1;
  transition:transform .25s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq__item.is-open .faq__mark{transform:rotate(180deg);background:var(--accent);color:#fff;}
.faq__a{
  max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
}
.faq__a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted);}

/* 联系 */
.contact{background:var(--surface);border-top:1px solid var(--line);}
.contact__grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.info-list{display:flex;flex-direction:column;gap:20px;margin-top:26px;}
.info-list__item{display:flex;gap:14px;align-items:flex-start;}
.info-list__ico{
  width:38px;height:38px;border-radius:10px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:15px;font-weight:700;
}
.info-list__item b{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.info-list__item span{font-size:14px;color:var(--muted);}
.map-ph{
  margin-top:28px;height:170px;border-radius:var(--r-img);border:1px dashed var(--line);
  background:repeating-linear-gradient(45deg,#F2F6FC 0 8px,#EEF3FA 8px 16px);
  display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;
}
.form{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;}
.field--full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field .req{color:var(--accent);margin-left:2px;}
.field input,.field select,.field textarea{
  height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;
  font-size:15px;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(18,69,127,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);}
.field__err{display:none;margin-top:6px;font-size:13px;color:var(--danger);}
.field.has-error .field__err{display:block;}
.form__foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:22px;flex-wrap:wrap;}
.form__tip{font-size:13px;color:var(--muted);}

/* 通栏 CTA */
.cta-band{
  position:relative;background:var(--primary-deep);color:#fff;border-radius:var(--r-img);
  padding:48px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 1px,transparent 1px 11px);
}
.cta-band h2{position:relative;z-index:1;font-size:clamp(22px,2.6vw,30px);color:#fff;font-weight:700;}
.cta-band p{position:relative;z-index:1;margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* 页脚 */
.ft{
  position:relative;background:var(--primary-deep);color:#fff;padding:64px 0 0;margin-top:0;overflow:hidden;
}
.ft::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 1px,transparent 1px 11px);
}
.ft__grid{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.ft__brand .logo__text{color:#fff;}
.ft__brand .logo__mark{background:var(--accent);}
.ft__desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px;}
.ft h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.ft__links{display:flex;flex-direction:column;gap:10px;}
.ft__links a,.ft__contact span{color:rgba(255,255,255,.8);font-size:14px;}
.ft__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.ft__contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.8);}
.ft__contact b{color:#fff;font-weight:600;}
.ft__bottom{
  position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.ft__bottom a{color:rgba(255,255,255,.72);}
.ft__bottom a:hover{color:#fff;}

/* 响应式 */
@media (max-width:1199px){
  .hero__grid{gap:40px;}
  .svc__desc{min-height:88px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .nav{display:none;}
  .burger{display:flex;}
  .hd__inner{height:60px;gap:16px;}
  .hd__right .chip{display:none;}
  .hero{padding:56px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .hero__media{order:-1;}
  .hero__media img{aspect-ratio:16/9;}
  .hero__float{left:12px;bottom:12px;padding:10px 14px;}
  .hero__float b{font-size:22px;}
  .svc{grid-template-columns:repeat(2,1fr);}
  .svc__item:nth-child(odd){border-left:0;}
  .svc__item:nth-child(n+3){border-top:1px solid var(--line);}
  .svc__desc{min-height:auto;}
  .stats__grid{grid-template-columns:repeat(2,1fr);row-gap:32px;}
  .stats__item:nth-child(odd){border-left:0;padding-left:0;}
  .stats__item{padding:0 20px;}
  .plan{grid-template-columns:1fr;gap:28px;padding:32px 0;}
  .plan--rev .plan__media{order:0;}
  .cases{grid-template-columns:1fr;grid-template-rows:auto;}
  .case--big{grid-row:auto;}
  .case--big img{min-height:300px;}
  .news__grid{grid-template-columns:1fr;}
  .contact__grid{grid-template-columns:1fr;gap:32px;}
  .ft__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .sec-sub{font-size:14px;}
  .topbar{height:auto;line-height:1.5;padding:8px 0;}
  .topbar__inner{flex-wrap:wrap;gap:10px;font-size:12.5px;}
  .topbar__msg{width:100%;order:3;white-space:normal;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero__sub{font-size:15.5px;}
  .hero__actions .btn{flex:1 1 auto;}
  .trust{gap:16px;flex-direction:column;align-items:flex-start;}
  .svc{grid-template-columns:1fr;}
  .svc__item{border-left:0 !important;padding:22px 0;}
  .svc__item+.svc__item{border-top:1px solid var(--line);}
  .stats{padding:48px 0;}
  .stats__grid{grid-template-columns:1fr 1fr;gap:24px 0;}
  .stats__item{padding:0 14px;}
  .news__row{flex-direction:row;}
  .news__row img{width:80px;height:64px;}
  .form{padding:20px;}
  .form__grid{grid-template-columns:1fr;}
  .form__foot{flex-direction:column;align-items:stretch;}
  .form__foot .btn{width:100%;}
  .ft{padding-top:48px;}
  .ft__grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .ft__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:28px 20px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:480px){
  .stats__grid{grid-template-columns:1fr;}
  .stats__item{border-left:0 !important;padding:0;}
  .stats__item+.stats__item{padding-top:18px;border-top:1px solid rgba(255,255,255,.16);}
  .search-none{display:none;}
}

/* roulang page: category1 */
:root{
  --primary:#12457F;
  --primary-deep:#0B2E55;
  --primary-soft:#E8F0FA;
  --accent:#FF7A1A;
  --accent-deep:#E0650A;
  --success:#12B886;
  --warn:#F2B21B;
  --danger:#D64545;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --t1:#0F1E33;
  --t2:#33415C;
  --t3:#6B7A99;
  --white:#FFFFFF;
  --s1:0 1px 2px rgba(18,69,127,.06);
  --s2:0 6px 18px rgba(18,69,127,.08);
  --s3:0 14px 34px rgba(18,69,127,.12);
  --r-card:10px;
  --r-img:14px;
  --r-btn:8px;
  --r-tag:6px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--primary-deep);
  color:var(--white);
  font-size:13px;
  line-height:1.5;
  position:relative;
  overflow:hidden;
}
.topbar::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 9px);
  pointer-events:none;
}
.topbar__inner{
  position:relative;
  z-index:1;
  min-height:40px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:6px 0;
}
.topbar__state{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(18,184,134,.18);
  color:#7FE3C2;
  border-radius:var(--r-tag);
  padding:3px 10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.topbar__state i{font-size:7px;}
.topbar__news{
  flex:1;
  min-width:0;
  color:rgba(255,255,255,.86);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar__news b{color:var(--white);font-weight:600;}
.topbar__time{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  color:rgba(255,255,255,.82);
  font-size:12px;
}
.topbar__time b{
  color:var(--accent);
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
}
.topbar__cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent);
  color:var(--white);
  border-radius:var(--r-tag);
  padding:5px 12px;
  font-weight:600;
  font-size:12px;
  transition:background var(--ease),transform var(--ease);
}
.topbar__cta:hover{background:var(--accent-deep);transform:translateY(-1px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--s2);}
.header__inner{
  min-height:68px;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo__mark{
  width:34px;height:34px;
  border-radius:9px;
  background:var(--primary);
  color:var(--white);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:17px;
  letter-spacing:.02em;
  box-shadow:var(--s1);
}
.logo__text{
  font-size:17px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1;
}
.nav__link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  border-radius:var(--r-tag);
  transition:background var(--ease),color var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--ease);
}
.nav__link:hover{background:var(--primary-soft);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{background:var(--primary-soft);}
.nav__link.is-active::after{transform:scaleX(1);}
.header__side{display:flex;align-items:center;gap:12px;flex:none;}
.badge-online{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(18,184,134,.12);
  color:#0E9C72;
  border-radius:var(--r-tag);
  padding:5px 10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.badge-online i{font-size:7px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:42px;
  padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:var(--white);box-shadow:var(--s1);}
.btn--primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--s2);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
.btn--ghost:hover{background:var(--primary-soft);}
.btn--light{background:var(--white);color:var(--primary-deep);}
.btn--light:hover{background:var(--primary-soft);transform:translateY(-1px);}
.btn--text{
  height:auto;padding:0;color:var(--primary);font-weight:600;gap:6px;
}
.btn--text i{transition:transform var(--ease);}
.btn--text:hover i{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{filter:saturate(60%);opacity:.65;pointer-events:none;}
.burger{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--primary);
  background:var(--surface);
}
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--s2);
}
.drawer.is-open{display:block;}
.drawer__list{padding:10px 0 4px;}
.drawer__list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  font-size:18px;
  font-weight:600;
  color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer__list a.is-active{color:var(--accent);}
.drawer__foot{padding:16px 0 22px;}
.drawer__foot .btn{width:100%;}

/* ---------- 页面头 ---------- */
.pagehead{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:44px 0 52px;
  position:relative;
  overflow:hidden;
}
.pagehead::before{
  content:"";
  position:absolute;
  right:-140px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,122,26,.14),rgba(255,122,26,0) 68%);
  pointer-events:none;
}
.pagehead__grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
  align-items:center;
}
.pagehead__main{grid-column:span 7;}
.pagehead__media{grid-column:span 5;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:16px;
  flex-wrap:wrap;
}
.crumb a{color:var(--t3);transition:color var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb i{font-size:10px;color:#B9C3D4;}
.crumb span{color:var(--t1);font-weight:600;}
.pagehead h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.18;
  font-weight:700;
  color:var(--t1);
  letter-spacing:-.01em;
}
.pagehead h1 .hl{color:var(--primary);}
.pagehead__lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--t2);
  max-width:620px;
}
.pagehead__actions{
  margin-top:26px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.pagehead__meta{
  margin-top:22px;
  display:flex;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--t3);
}
.pagehead__meta span{display:inline-flex;align-items:center;gap:7px;}
.pagehead__meta i{color:var(--primary);}
.pagehead__media{position:relative;}
.pagehead__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--s3);
  background:var(--primary-soft);
}
.corner-tag{
  position:absolute;
  left:16px;top:16px;
  background:var(--accent);
  color:var(--white);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  padding:6px 12px;
  border-radius:var(--r-tag);
  clip-path:polygon(0 0,100% 0,100% 72%,88% 100%,0 100%);
  padding-right:20px;
}

/* ---------- 锚点布局 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.anchor-layout{
  display:grid;
  grid-template-columns:236px 1fr;
  gap:48px;
  align-items:start;
}
.anchor-nav{
  position:sticky;
  top:104px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 16px;
  box-shadow:var(--s1);
}
.anchor-nav__title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--t3);
  margin-bottom:12px;
}
.anchor-nav__list{display:flex;flex-direction:column;gap:2px;}
.anchor-nav__list a{
  display:block;
  position:relative;
  padding:10px 12px 10px 16px;
  border-radius:var(--r-tag);
  font-size:14.5px;
  font-weight:600;
  color:var(--t2);
  transition:background var(--ease),color var(--ease);
}
.anchor-nav__list a::before{
  content:"";
  position:absolute;
  left:4px;top:50%;
  transform:translateY(-50%);
  width:3px;height:0;
  background:var(--accent);
  border-radius:2px;
  transition:height var(--ease);
}
.anchor-nav__list a:hover{background:var(--primary-soft);color:var(--primary);}
.anchor-nav__list a.is-current{background:var(--primary-soft);color:var(--primary);}
.anchor-nav__list a.is-current::before{height:18px;}
.anchor-nav__cta{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
.anchor-nav__cta .btn{width:100%;height:40px;font-size:14px;}

.block{margin-bottom:72px;}
.block:last-child{margin-bottom:0;}
.block__head{margin-bottom:26px;}
.block__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--accent);
  margin-bottom:10px;
}
.block__eyebrow::before{
  content:"";
  width:18px;height:3px;
  border-radius:2px;
  background:var(--accent);
}
.block h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
  font-weight:700;
  color:var(--t1);
  padding-left:14px;
  border-left:3px solid var(--primary);
}
.block__lead{
  margin-top:12px;
  font-size:16px;
  color:var(--t2);
  max-width:760px;
}
.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--s1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{
  transform:translateY(-2px);
  box-shadow:var(--s2);
  border-color:var(--primary-soft);
}
.card__icon{
  width:44px;height:44px;
  border-radius:10px;
  background:var(--primary-soft);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:16px;
}
.card h3{
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  line-height:1.45;
}
.card p{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.8;
  color:var(--t3);
}
.card__link{
  margin-top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.card__link i{transition:transform var(--ease);}
.card:hover .card__link i{transform:translateX(4px);}
.card--accent{border-left:3px solid var(--accent);}

/* ---------- 数据带 ---------- */
.databar{
  background:var(--primary-deep);
  color:var(--white);
  border-radius:var(--r-card);
  padding:34px 28px;
  margin-top:32px;
  position:relative;
  overflow:hidden;
}
.databar::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 10px);
  pointer-events:none;
}
.databar__grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.databar__item{
  padding-left:18px;
  border-left:1px solid rgba(255,255,255,.18);
}
.databar__item:first-child{border-left:0;padding-left:0;}
.databar__num{
  font-size:clamp(30px,3.4vw,44px);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;
}
.databar__num small{font-size:15px;font-weight:600;margin-left:4px;opacity:.85;}
.databar__label{
  margin-top:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  line-height:1.7;
}

/* ---------- 表格 ---------- */
.tablewrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--s1);
}
.tablescroll{overflow-x:auto;}
table.compare{min-width:680px;font-size:14.5px;}
table.compare th,
table.compare td{
  padding:15px 18px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
}
table.compare tbody tr:nth-child(even){background:#FAFCFE;}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td:first-child{font-weight:600;color:var(--t1);white-space:nowrap;}
.tag{
  display:inline-block;
  border-radius:var(--r-tag);
  padding:3px 10px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
}
.tag--go{background:rgba(18,184,134,.12);color:#0E9C72;}
.tag--wait{background:rgba(242,178,27,.16);color:#A8790B;}
.tag--done{background:#EDF1F7;color:#6B7A99;}
.tag--new{background:rgba(255,122,26,.14);color:#C25A0C;}

/* ---------- 通栏 CTA ---------- */
.cta-band{
  background:var(--primary-deep);
  color:var(--white);
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 11px);
  pointer-events:none;
}
.cta-band__inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(23px,2.8vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--white);
}
.cta-band p{
  margin-top:12px;
  font-size:15.5px;
  color:rgba(255,255,255,.78);
  max-width:640px;
}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;}
.faq__item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq__item.is-open{border-color:var(--primary-soft);box-shadow:var(--s1);}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  line-height:1.55;
}
.faq__icon{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(180deg);background:var(--accent);color:var(--white);}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease;
}
.faq__a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--t2);
  margin-top:12px;
}

/* ---------- 页脚 ---------- */
.ft{
  background:var(--primary-deep);
  color:var(--white);
  padding:64px 0 0;
  position:relative;
  overflow:hidden;
}
.ft::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.045) 0 1px,transparent 1px 11px);
  pointer-events:none;
}
.ft .container{position:relative;}
.ft__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.ft .logo__mark{background:var(--white);color:var(--primary-deep);}
.ft .logo__text{color:var(--white);}
.ft__desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.72);
  max-width:340px;
}
.ft h3{
  font-size:15px;
  font-weight:600;
  color:var(--white);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.ft__links{display:flex;flex-direction:column;gap:10px;}
.ft__links a{
  font-size:14px;
  color:rgba(255,255,255,.8);
  width:fit-content;
  transition:color var(--ease);
}
.ft__links a:hover{color:var(--white);text-decoration:underline;text-underline-offset:3px;}
.ft__contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.8);}
.ft__contact b{color:rgba(255,255,255,.95);font-weight:600;}
.ft__bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.62);
}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .anchor-layout{grid-template-columns:210px 1fr;gap:36px;}
  .ft__grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media (max-width:991px){
  .nav,.header__side .badge-online{display:none;}
  .burger{display:inline-flex;}
  .header__side .btn--primary{display:none;}
  .header__inner{min-height:56px;justify-content:space-between;gap:12px;}
  .section{padding:64px 0;}
  .pagehead{padding:32px 0 40px;}
  .pagehead__main{grid-column:span 12;}
  .pagehead__media{grid-column:span 12;order:-1;}
  .pagehead__media img{aspect-ratio:16/9;}
  .anchor-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;}
  .anchor-nav__title,.anchor-nav__cta{display:none;}
  .anchor-nav__list{flex-direction:row;gap:8px;}
  .anchor-nav__list a{white-space:nowrap;padding:8px 14px;background:var(--bg);}
  .anchor-nav__list a::before{display:none;}
  .grid-2{grid-template-columns:1fr;}
  .databar__grid{grid-template-columns:repeat(2,1fr);gap:24px 20px;}
  .databar__item:nth-child(3){border-left:0;padding-left:0;}
  .cta-band__inner{grid-template-columns:1fr;}
  .cta-band{padding:56px 0;}
  .ft__grid{grid-template-columns:1fr 1fr;gap:30px;}
  .block{margin-bottom:56px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  body{font-size:15px;}
  .topbar__news{display:none;}
  .topbar__inner{gap:12px;}
  .pagehead h1{font-size:clamp(24px,6.4vw,32px);}
  .pagehead__lead{font-size:15.5px;}
  .pagehead__actions .btn{flex:1 1 100%;}
  .section{padding:48px 0;}
  .block h2{font-size:22px;padding-left:11px;}
  .card{padding:20px;}
  .databar{padding:26px 20px;}
  .databar__num{font-size:30px;}
  .cta-band{padding:48px 0;}
  .cta-band__actions .btn{width:100%;}
  .faq__q{font-size:16px;padding:16px 18px;}
  .faq__a p{padding:0 18px 18px;}
  .ft{padding:48px 0 0;}
  .ft__grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .ft__bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .topbar::after,.cta-band::after,.ft::before,.databar::after{display:none;}
  .databar__grid{grid-template-columns:1fr;}
  .databar__item{border-left:0;padding-left:0;}
  .pagehead__meta{gap:12px;}
  .btn{height:44px;}
}

/* roulang page: article */
:root{
  --primary:#12457F;
  --primary-deep:#0B2E55;
  --primary-soft:#E8F0FA;
  --accent:#FF7A1A;
  --accent-deep:#E0650A;
  --success:#12B886;
  --warn:#F2B21B;
  --danger:#D64545;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --t1:#0F1E33;
  --t2:#33415C;
  --t3:#6B7A99;
  --r-card:10px;
  --r-img:14px;
  --r-btn:8px;
  --r-tag:6px;
  --s1:0 1px 2px rgba(18,69,127,.06);
  --s2:0 6px 18px rgba(18,69,127,.08);
  --s3:0 14px 34px rgba(18,69,127,.12);
  --container:1200px;
  --pad:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
input,textarea,select{font:inherit}
: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 var(--pad)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--primary-deep);
  color:#fff;
  font-size:13px;
  position:relative;
  overflow:hidden;
}
.topbar::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 1px,transparent 1px 9px);
  pointer-events:none;
}
.topbar__inner{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:16px;
  min-height:40px;padding-top:6px;padding-bottom:6px;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-tag);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:rgba(18,184,134,.18);color:#7DE9C4;
  white-space:nowrap;
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--success);display:inline-block}
.topbar__msg{flex:1;color:rgba(255,255,255,.86);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar__timer{white-space:nowrap;color:#fff}
.topbar__timer b{color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.04em;margin-left:4px}
.topbar__link{color:#fff;border-bottom:1px solid rgba(255,255,255,.5);white-space:nowrap}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-head.is-stuck{box-shadow:var(--s2)}
.head__inner{display:flex;align-items:center;gap:26px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(150deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.logo__text{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.01em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:6px;flex:1;min-width:0}
.nav__link{
  position:relative;padding:22px 12px;font-size:15px;color:var(--t2);
  white-space:nowrap;transition:color .18s ease-out;
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:center;
  transition:transform .18s ease-out;
}
.nav__link:hover{color:var(--primary)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--primary);font-weight:600}
.head__actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 10px;border-radius:var(--r-tag);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge--online{background:rgba(18,184,134,.12);color:#0B8F६8}
.badge--online{background:rgba(18,184,134,.12);color:#0B8F68}
.badge--online i{width:6px;height:6px;border-radius:50%;background:var(--success)}
.badge--pending{background:rgba(242,178,27,.16);color:#9A6B00}
.badge--new{background:rgba(255,122,26,.14);color:var(--accent-deep)}
.badge--done{background:#EEF1F6;color:var(--t3)}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:16px;height:2px;background:var(--primary);border-radius:2px;transition:.2s}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:12px var(--pad) 22px;
}
.drawer.is-open{display:block}
.drawer a{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer a.is-active{color:var(--accent-deep)}
.drawer .btn{margin-top:16px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--s1)}
.btn--primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--s2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary-soft)}
.btn--sm{padding:9px 14px;font-size:14px}
.btn--block{width:100%}
.btn--text{color:var(--primary);padding:6px 0;font-weight:600}
.btn--text::after{content:"›";margin-left:6px;font-size:16px;transition:transform .18s ease-out}
.btn--text:hover::after{transform:translateX(3px)}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(60%);cursor:not-allowed;pointer-events:none}

/* ---------- 页面头部 ---------- */
.pagehead{
  position:relative;background:var(--primary-soft);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.pagehead::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.16;
}
.pagehead::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(18,69,127,.05) 0 1px,transparent 1px 10px);
}
.pagehead__inner{position:relative;z-index:2;padding:22px 0 34px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);flex-wrap:wrap;margin-bottom:18px}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--primary)}
.crumb__sep{color:#B9C4D6}
.crumb__now{color:var(--t2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-head{max-width:860px}
.tag{
  display:inline-block;padding:5px 11px;border-radius:var(--r-tag);
  background:var(--surface);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;border:1px solid var(--line);
}
.tag--accent{background:rgba(255,122,26,.12);color:var(--accent-deep);border-color:transparent}
.art-head h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.24;font-weight:700;
  margin:16px 0 18px;color:var(--t1);letter-spacing:-.01em;
}
.art-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;color:var(--t3);
}
.art-meta span{display:inline-flex;align-items:center;gap:6px}
.art-meta b{color:var(--t2);font-weight:600}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D0E0}

/* ---------- 正文布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;
  gap:44px;align-items:start;
  padding:44px 0 72px;
}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);
}
.art-main{padding:34px 38px 38px;min-width:0}
.art-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--t2);overflow-wrap:anywhere;word-break:break-word}
.art-body > *:first-child{margin-top:0}
.art-body p{margin:0 0 1.2em}
.art-body h2{
  position:relative;padding-left:14px;
  font-size:clamp(20px,2.2vw,26px);line-height:1.35;
  margin:2em 0 .8em;color:var(--t1);
}
.art-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;
  width:3px;border-radius:2px;background:var(--primary);
}
.art-body h3{font-size:18px;font-weight:600;margin:1.6em 0 .6em;color:var(--t1)}
.art-body h4{font-size:16px;font-weight:600;margin:1.4em 0 .5em;color:var(--t1)}
.art-body blockquote{
  margin:1.4em 0;padding:14px 18px;
  border-left:4px solid var(--primary);background:var(--primary-soft);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--t2);font-style:normal;
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body ul,.art-body ol{margin:0 0 1.2em;padding-left:22px}
.art-body ul{list-style:disc}
.art-body ol{list-style:decimal}
.art-body li{margin:.4em 0}
.art-body ul li::marker{color:var(--primary)}
.art-body ol li::marker{color:var(--primary);font-weight:600}
.art-body img{border-radius:10px;margin:1.4em auto;max-width:100%;height:auto;background:#EDF2F9}
.art-body figure{margin:1.4em 0}
.art-body figcaption,.art-body .caption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px}
.art-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:var(--primary-deep)}
.art-body strong{color:var(--t1)}
.art-body table{width:100%;font-size:14px;margin:1.4em 0;border:1px solid var(--line)}
.art-body th,.art-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.art-body thead th{background:var(--primary-soft);color:var(--t1);font-weight:600}
.art-body tbody tr:nth-child(even){background:#FAFCFE}
.art-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.art-body pre{
  background:#0F1E33;color:#E7EEF9;padding:16px 18px;border-radius:var(--r-card);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.art-body code{background:#F1F5FB;padding:2px 6px;border-radius:4px;font-size:14px}
.art-body pre code{background:none;padding:0;color:inherit}

/* 空态 */
.art-empty{
  text-align:center;padding:64px 20px;color:var(--t3);
}
.art-empty__icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
}
.art-empty h2{font-size:20px;margin-bottom:8px;color:var(--t1)}
.art-empty p{margin-bottom:20px}

/* 互动条 */
.actions{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
}
.act-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:14px;color:var(--t2);background:#fff;
  transition:border-color .18s ease-out,background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.act-btn:hover{border-color:var(--primary-soft);background:var(--primary-soft);color:var(--primary)}
.act-btn.is-on{background:rgba(255,122,26,.1);border-color:transparent;color:var(--accent-deep)}
.act-btn svg{width:16px;height:16px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tags .tag{background:var(--primary-soft);border-color:transparent;color:var(--primary)}
.tags .tag:hover{background:#DCE8F8}

/* 侧栏 */
.aside{display:grid;gap:20px;position:sticky;top:92px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);padding:20px}
.aside-card h2{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h2::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.toc a{
  display:block;padding:8px 0 8px 12px;font-size:14px;color:var(--t2);
  border-left:2px solid var(--line);line-height:1.5;
  transition:color .18s ease-out,border-color .18s ease-out;
}
.toc a:hover,.toc a.is-current{color:var(--primary);border-left-color:var(--primary)}
.aside-list{display:grid;gap:14px}
.aside-item{display:flex;gap:12px;align-items:flex-start}
.aside-item img{width:72px;height:54px;border-radius:8px;object-fit:cover;flex:none;background:#EDF2F9}
.aside-item h3{font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px}
.aside-item h3 a:hover{color:var(--primary)}
.aside-item time{font-size:12px;color:var(--t3)}
.aside-note{font-size:13px;color:var(--t3);line-height:1.7}

/* 相关推荐 */
.related{padding:0 0 72px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-head h2{font-size:clamp(20px,2.4vw,26px)}
.sec-head p{font-size:14px;color:var(--t3);margin:6px 0 0}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:var(--primary-soft)}
.rel-card__img{aspect-ratio:16/9;background:#EDF2F9;overflow:hidden}
.rel-card__img img{width:100%;height:100%;object-fit:cover}
.rel-card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card__body h3{font-size:17px;line-height:1.5;font-weight:600}
.rel-card__body h3 a:hover{color:var(--primary)}
.rel-card__body p{font-size:14px;color:var(--t3);margin:0;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card__foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);margin-top:auto}

/* 返回入口 */
.backbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:var(--primary-deep);color:#fff;border-radius:var(--r-card);
  padding:26px 30px;position:relative;overflow:hidden;
}
.backbar::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 10px);
}
.backbar > *{position:relative;z-index:1}
.backbar h2{color:#fff;font-size:20px;margin-bottom:6px}
.backbar p{color:rgba(255,255,255,.78);font-size:14px;margin:0}

/* ---------- 页脚 ---------- */
.ft{
  background:var(--primary-deep);color:#fff;position:relative;overflow:hidden;
  padding:56px 0 26px;margin-top:8px;
}
.ft::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 10px);
  pointer-events:none;
}
.ft .container{position:relative;z-index:1}
.ft__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.ft__brand .logo__text{color:#fff}
.ft__brand .logo__mark{background:rgba(255,255,255,.14)}
.ft__desc{color:rgba(255,255,255,.75);font-size:14px;line-height:1.8;margin-top:14px;max-width:34ch}
.ft h3{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600}
.ft__links,.ft__contact{display:grid;gap:10px;font-size:14px}
.ft__links a,.ft__contact span{color:rgba(255,255,255,.8);line-height:1.7}
.ft__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.ft__contact b{color:rgba(255,255,255,.95);font-weight:600}
.ft__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.66);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .aside{display:none}
}
@media (max-width:991px){
  :root{--pad:20px}
  .head__inner{min-height:64px;gap:16px}
  .nav{display:none}
  .hamburger{display:flex}
  .badge--nav{display:none}
  .layout{padding:32px 0 56px;gap:32px}
  .art-main{padding:26px 24px 30px}
  .ft__grid{grid-template-columns:1fr 1fr;gap:26px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  :root{--pad:18px}
  body{font-size:15px}
  .topbar__msg{display:none}
  .topbar__inner{justify-content:space-between}
  .logo__text{font-size:15px}
  .head__cta{display:none}
  .pagehead__inner{padding:16px 0 26px}
  .crumb__now{max-width:32ch}
  .art-head h1{font-size:clamp(23px,6vw,30px);margin:12px 0 14px}
  .art-main{padding:22px 18px 26px}
  .art-body{font-size:15.5px;line-height:1.85}
  .art-body table{display:block;overflow-x:auto;white-space:nowrap}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .actions{gap:10px}
  .act-btn{flex:1;justify-content:center}
  .backbar{padding:22px 20px}
  .ft{padding:44px 0 22px}
  .ft__grid{grid-template-columns:1fr;gap:24px}
  .ft__bottom{flex-direction:column}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .drawer a{font-size:16px}
  .btn{width:100%}
  .head__actions .btn{width:auto}
  .act-btn{flex:1 1 100%}
  .pagehead::before,.ft::after,.topbar::after{display:none}
}

/* roulang page: category2 */
:root{
  --primary:#12457F;
  --primary-deep:#0B2E55;
  --primary-soft:#E8F0FA;
  --accent:#FF7A1A;
  --accent-deep:#E0650A;
  --success:#12B886;
  --warn:#F2B21B;
  --danger:#D64545;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --t1:#0F1E33;
  --t2:#33415C;
  --t3:#6B7A99;
  --white:#FFFFFF;
  --r-card:10px;
  --r-img:14px;
  --r-btn:8px;
  --r-tag:6px;
  --s1:0 1px 2px rgba(18,69,127,.06);
  --s2:0 6px 18px rgba(18,69,127,.08);
  --s3:0 14px 34px rgba(18,69,127,.12);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.28}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:var(--primary-deep);
  color:var(--white);
  font-size:13px;
  position:relative;
  overflow:hidden;
}
.topbar::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 9px);
  pointer-events:none;
}
.topbar__inner{
  position:relative;
  display:flex;align-items:center;gap:16px;
  min-height:40px;
  justify-content:space-between;
}
.topbar__left{display:flex;align-items:center;gap:12px;flex:1;min-width:0}
.topbar__note{
  color:rgba(255,255,255,.82);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar__right{display:flex;align-items:center;gap:10px;white-space:nowrap}
.topbar__clock{color:var(--accent);font-weight:700;letter-spacing:.04em}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:var(--r-tag);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.pill--live{background:rgba(18,184,134,.18);color:#5BE0B4}
.pill--live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 3px rgba(18,184,134,.22);
}
.pill--soon{background:rgba(242,178,27,.16);color:#F6CE6B}
.pill--new{background:var(--accent);color:#fff}
.pill--done{background:rgba(255,255,255,.14);color:rgba(255,255,255,.85)}

/* ---------- 头部与导航 ---------- */
.header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.header.is-scrolled{box-shadow:var(--s2)}
.header__inner{
  height:68px;
  display:flex;align-items:center;gap:26px;
  justify-content:space-between;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:32px;height:32px;border-radius:8px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
}
.logo__text{
  font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.01em;
}
.nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav__link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--t2);
  transition:background .18s ease-out,color .18s ease-out;
}
.nav__link:hover{background:var(--primary-soft);color:var(--primary)}
.nav__link.is-active{color:var(--primary);font-weight:600;background:var(--primary-soft)}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}
.header__actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:8px;
  border:1px solid var(--line);background:#fff;color:var(--primary);
  align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
.nav-toggle:hover{background:var(--primary-soft)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border:1.5px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn i{font-size:13px}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--s1)}
.btn--primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--s2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn--ghost:hover{background:var(--primary-soft)}
.btn--light{background:#fff;color:var(--primary)}
.btn--light:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.6;filter:saturate(.6);cursor:not-allowed;transform:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:14px;
}
.link-more i{font-size:12px;transition:transform .18s ease-out}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 页面头 ---------- */
.pagehead{
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 40px;
}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.crumb span.sep{color:#B9C4D6}
.crumb .current{color:var(--t2);font-weight:600}
.pagehead__grid{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:flex-end;
  margin-top:22px;
}
.pagehead h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.22;font-weight:700;
  padding-left:14px;
  border-left:4px solid var(--accent);
}
.pagehead__lead{
  margin-top:14px;max-width:660px;font-size:15.5px;line-height:1.85;color:var(--t2);
}
.pagehead__meta{
  display:flex;flex-direction:column;align-items:flex-end;gap:14px;
}
.count-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 22px;box-shadow:var(--s1);text-align:right;min-width:190px;
}
.count-box b{
  display:block;font-size:32px;line-height:1.1;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.count-box span{font-size:13px;color:var(--t3)}
.tags-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-tag);
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.tag--warn{background:rgba(242,178,27,.16);color:#9A6A05}
.tag--ok{background:rgba(18,184,134,.14);color:#0A7F5D}

/* ---------- 筛选条 ---------- */
.filters{
  position:sticky;top:68px;z-index:40;
  background:rgba(246,248,251,.94);
  backdrop-filter:blur(2px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.filters__inner{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.filters__inner::-webkit-scrollbar{display:none}
.chip{
  flex:none;
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);color:var(--t2);
  font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.chip:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.chip i{font-size:12px;opacity:.85}
.filters__hint{margin-left:auto;font-size:13px;color:var(--t3);white-space:nowrap;padding-left:12px}

/* ---------- 案例栅格 ---------- */
.section{padding:56px 0 0}
.case-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
  align-items:stretch;
}
.case-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--s1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:var(--primary-soft)}
.case-card__media{
  position:relative;aspect-ratio:4/3;background:var(--primary-soft);overflow:hidden;
}
.case-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.case-card:hover .case-card__media img{transform:scale(1.03)}
.case-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,46,85,0) 40%,rgba(11,46,85,.74) 100%);
}
.corner{
  position:absolute;z-index:2;
  left:14px;bottom:14px;
  padding:5px 12px;
  background:var(--accent);color:#fff;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  clip-path:polygon(0 0,100% 0,100% 100%,9px 100%,0 calc(100% - 9px));
}
.corner--deep{background:var(--primary-deep)}
.corner--ok{background:var(--success)}
.media-fact{
  position:absolute;z-index:2;right:14px;bottom:16px;
  color:rgba(255,255,255,.92);font-size:12.5px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.case-card__body{
  padding:20px 22px 22px;
  display:flex;flex-direction:column;gap:10px;flex:1;
}
.case-card__title{
  font-size:17px;font-weight:600;line-height:1.45;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.case-card__desc{
  font-size:14.5px;line-height:1.8;color:var(--t3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.case-card__meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t3);
}
.case-card__meta .dot{display:inline-flex;align-items:center;gap:6px}
.case-card__meta .dot::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.case-card__meta .dot.ok::before{background:var(--success)}
.case-card__meta .dot.soon::before{background:var(--warn)}

/* ---------- 数据小结带 ---------- */
.data-strip{
  grid-column:1 / -1;
  position:relative;overflow:hidden;
  background:var(--primary-deep);color:#fff;
  border-radius:12px;
  padding:34px 30px;
  box-shadow:var(--s2);
}
.data-strip::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 10px);
}
.data-strip__head{
  position:relative;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-bottom:22px;
}
.data-strip__head h2{color:#fff;font-size:20px;font-weight:700}
.data-strip__head span{font-size:13.5px;color:rgba(255,255,255,.68)}
.data-strip__grid{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.data-cell{border-left:1px solid rgba(255,255,255,.16);padding-left:20px}
.data-cell:first-child{border-left:0;padding-left:0}
.data-cell b{
  display:block;font-size:clamp(28px,3.2vw,42px);line-height:1.1;
  font-weight:700;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
.data-cell b em{font-style:normal;font-size:16px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.8)}
.data-cell span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- 分页 ---------- */
.pager{
  display:flex;align-items:center;justify-content:center;gap:10px;
  padding:44px 0 0;flex-wrap:wrap;
}
.pager__btn{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--t2);font-size:14px;font-weight:600;
  transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
}
.pager__btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.pager__num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 10px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;color:var(--t2);font-size:14px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.pager__num:hover{border-color:var(--primary);color:var(--primary)}
.pager__num.is-current{background:var(--primary);border-color:var(--primary);color:#fff}
.pager__mobile{display:none}

/* ---------- 常见问题 ---------- */
.faq-block{padding:64px 0 0}
.block-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:26px;flex-wrap:wrap;
}
.block-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;padding-left:12px;border-left:3px solid var(--primary)}
.block-head p{margin-top:8px;font-size:14.5px;color:var(--t3)}
.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;
}
.faq__item{border-top:1px solid var(--line)}
.faq__item:first-child{border-top:0}
.faq__item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--t1);
  transition:background .18s ease-out;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{background:var(--primary-soft)}
.faq__icon{
  flex:none;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:12px;
  transition:transform .25s ease-out,background .18s ease-out,color .18s ease-out;
}
.faq__item[open] .faq__icon{transform:rotate(180deg);background:var(--primary);color:#fff}
.faq__answer{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--t2);margin-top:-2px}
.faq__answer p{padding-top:12px}

/* ---------- 通栏 CTA ---------- */
.cta-band{padding:64px 0 72px}
.cta-band__inner{
  position:relative;overflow:hidden;
  background:var(--primary-deep);color:#fff;
  border-radius:14px;
  padding:46px 44px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:30px;align-items:center;
  box-shadow:var(--s3);
}
.cta-band__inner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 10px);
}
.cta-band__inner > *{position:relative}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.3}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);max-width:620px}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.ft{
  position:relative;overflow:hidden;
  background:var(--primary-deep);color:#fff;
  padding:62px 0 26px;margin-top:0;
}
.ft::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 10px);
}
.ft .container{position:relative}
.ft__grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:38px;
}
.ft .logo__text{color:#fff}
.ft .logo__mark{background:rgba(255,255,255,.14)}
.ft__desc{
  margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:360px;
}
.ft h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.ft__links a{
  display:block;padding:5px 0;font-size:14px;color:rgba(255,255,255,.8);
  transition:color .18s ease-out;
}
.ft__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.ft__contact{display:flex;flex-direction:column;gap:8px;font-size:14px;color:rgba(255,255,255,.8)}
.ft__contact b{color:#fff;font-weight:600}
.ft__bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 22px}
  .ft__grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px}
}
@media (max-width:991px){
  .nav{
    position:fixed;top:0;right:0;bottom:0;z-index:90;
    width:min(320px,86vw);
    background:#fff;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:6px;padding:86px 20px 26px;
    box-shadow:var(--s3);
    transform:translateX(102%);
    transition:transform .26s ease-out;
    overflow-y:auto;
  }
  .nav__link{
    font-size:17px;padding:14px 16px;border-radius:10px;
  }
  .nav__link.is-active::after{display:none}
  .nav-toggle-input:checked ~ .nav{transform:translateX(0)}
  .nav-toggle{display:inline-flex}
  .header__inner{height:60px;gap:14px}
  .header__actions .badge-inline{display:none}
  .pagehead__grid{grid-template-columns:minmax(0,1fr);gap:22px;align-items:flex-start}
  .pagehead__meta{align-items:flex-start}
  .count-box{text-align:left;min-width:0;width:100%}
  .filters{top:60px}
  .case-grid{grid-template-columns:minmax(0,1fr)}
  .data-strip__grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .data-cell:nth-child(3){border-left:0;padding-left:0}
  .cta-band__inner{grid-template-columns:minmax(0,1fr);padding:36px 28px}
  .ft__grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .topbar__note{display:none}
  .section{padding:40px 0 0}
  .pagehead{padding:24px 0 30px}
  .case-card__body{padding:16px 16px 18px}
  .faq__item summary{padding:16px 16px;font-size:16px}
  .faq__answer{padding:0 16px 18px}
  .faq-block{padding:44px 0 0}
  .cta-band{padding:44px 0 52px}
  .cta-band__inner{padding:30px 20px}
  .cta-band__actions .btn{width:100%}
  .data-strip{padding:26px 20px}
  .ft{padding:46px 0 22px}
  .ft__grid{grid-template-columns:1fr;gap:26px}
  .pager__num{display:none}
  .pager__mobile{display:inline-flex;width:100%;justify-content:center}
  .pager__btn{flex:1;justify-content:center}
}
@media (max-width:480px){
  .data-strip::before,.ft::before,.topbar::before{display:none}
  .logo__text{font-size:15.5px}
  .header__actions .btn--primary{display:none}
  .data-strip__grid{grid-template-columns:1fr}
  .data-cell{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:16px}
  .data-cell:first-child{border-top:0;padding-top:0}
}

/* roulang page: category3 */
:root{
  --primary:#12457F;
  --primary-deep:#0B2E55;
  --primary-soft:#E8F0FA;
  --accent:#FF7A1A;
  --accent-deep:#E0650A;
  --success:#12B886;
  --warn:#F2B21B;
  --danger:#D64545;
  --bg:#F6F8FB;
  --surface:#FFFFFF;
  --line:#E3E9F2;
  --t1:#0F1E33;
  --t2:#33415C;
  --t3:#6B7A99;
  --r-card:10px;
  --r-img:14px;
  --r-btn:8px;
  --r-tag:6px;
  --s1:0 1px 2px rgba(18,69,127,.06);
  --s2:0 6px 18px rgba(18,69,127,.08);
  --s3:0 14px 34px rgba(18,69,127,.12);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
::selection{background:var(--primary-soft);color:var(--primary-deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head p{margin-top:12px;font-size:15.5px;color:var(--t3)}
.h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  color:var(--t1);
  line-height:1.28;
}
.h2::before{
  content:"";
  position:absolute;
  left:0;top:.42em;bottom:.28em;
  width:3px;
  border-radius:2px;
  background:var(--primary);
}
.lead{font-size:16.5px;color:var(--t2)}

/* 顶部活动条 */
.topbar{
  background:var(--primary-deep);
  color:rgba(255,255,255,.9);
  font-size:13.5px;
  line-height:40px;
  min-height:40px;
}
.topbar__inner{display:flex;align-items:center;gap:18px}
.pill-live{
  display:inline-flex;align-items:center;gap:6px;
  padding:0 10px;height:24px;line-height:24px;
  border-radius:var(--r-tag);
  background:rgba(18,184,134,.18);
  color:#8CF0CD;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.pill-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#2BE0A8}
.topbar__text{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__cta{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600}
.topbar__cta b{color:#FFB273;font-size:15px;font-variant-numeric:tabular-nums}
.topbar__cta:hover b{color:#FFD3B0}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--s2)}
.header__inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;letter-spacing:.02em;
}
.logo__text{font-size:17px;font-weight:700;color:var(--t1);letter-spacing:.01em;white-space:nowrap}
.nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav__link{
  position:relative;
  padding:10px 14px;
  border-radius:6px;
  font-size:15px;
  color:var(--t2);
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav__link:hover{color:var(--primary);background:var(--primary-soft)}
.nav__link.is-active{color:var(--primary);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;
  height:2px;border-radius:2px;background:var(--accent);
}
.header__actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-tag);
  font-size:13px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge--live{background:rgba(18,184,134,.12);color:#0E9C74}
.badge--live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success)}
.badge--warn{background:rgba(242,178,27,.16);color:#9A6E05}
.badge--new{background:rgba(255,122,26,.14);color:var(--accent-deep)}
.badge--done{background:#EDF1F7;color:var(--t3)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(255,122,26,.24)}
.btn--primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 6px 16px rgba(224,101,10,.26)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn--ghost:hover{background:var(--primary-soft)}
.btn--light{background:#fff;color:var(--primary-deep)}
.btn--light:hover{background:#EAF1FA;transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--lg{height:50px;padding:0 28px;font-size:16px}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:var(--r-btn)}
.btn[disabled]{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}

.burger{
  display:none;
  width:44px;height:44px;
  border-radius:8px;
  border:1px solid var(--line);
  position:relative;
  background:#fff;
}
.burger span{
  position:absolute;left:13px;right:13px;height:2px;border-radius:2px;background:var(--primary);
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.burger span:nth-child(1){top:15px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:27px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:10px 0 22px;
}
.drawer.is-open{display:block}
.drawer__list{padding:6px 0 14px}
.drawer__list a{
  display:block;
  padding:14px 4px;
  font-size:19px;
  font-weight:600;
  color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer__list a.is-active{color:var(--accent)}
.drawer__cta{margin-top:18px}
.drawer__cta .btn{width:100%}
.drawer__meta{padding:14px 4px 0;font-size:14px;color:var(--t3)}

/* 页面头 */
.pagehead{
  position:relative;
  padding:56px 0 64px;
  background-color:var(--bg);
  background-image:linear-gradient(rgba(246,248,251,.94),rgba(246,248,251,.99)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--t3);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.crumb span{color:#B7C3D6}
.crumb__cur{color:var(--t2);font-weight:600}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--r-tag);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.tag--accent{background:rgba(255,122,26,.14);color:var(--accent-deep)}
.pagehead__grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:48px;align-items:start}
.pagehead h1{
  margin:16px 0 0;
  font-size:clamp(30px,4.2vw,52px);
  font-weight:700;
  line-height:1.18;
  color:var(--t1);
}
.pagehead__lead{margin-top:18px;font-size:17px;line-height:1.8;color:var(--t2);max-width:640px}
.facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.facts li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-tag);
  font-size:14px;
  color:var(--t2);
  box-shadow:var(--s1);
}
.facts b{color:var(--primary);font-size:17px;font-variant-numeric:tabular-nums}
.pagehead__card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--s2);
  padding:28px 26px;
}
.pagehead__card h2{font-size:19px;font-weight:700;color:var(--t1)}
.pagehead__card p{margin:12px 0 20px;font-size:14.5px;color:var(--t3);line-height:1.8}
.pagehead__card .btn{width:100%}
.pagehead__note{display:block;margin-top:14px;font-size:13.5px;color:var(--t3);text-align:center;font-variant-numeric:tabular-nums}

/* 双栏图文 */
.intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.intro__text p{margin-top:18px;font-size:16px;line-height:1.9}
.ticks{margin-top:24px;display:grid;gap:14px}
.ticks li{
  position:relative;
  padding-left:30px;
  font-size:15.5px;
  line-height:1.75;
  color:var(--t2);
}
.ticks li::before{
  content:"";
  position:absolute;left:0;top:.5em;
  width:16px;height:16px;border-radius:50%;
  background:var(--primary-soft);
  border:1px solid #C7D8EE;
}
.ticks li::after{
  content:"";
  position:absolute;left:5px;top:.78em;
  width:6px;height:3px;
  border-left:2px solid var(--primary);
  border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);
}
.intro__media{
  margin:0;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--s3);
  background:var(--primary-soft);
}
.intro__media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.intro__media figcaption{
  padding:12px 18px 14px;
  background:#fff;
  font-size:13.5px;
  color:var(--t3);
  line-height:1.7;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:26px;
  color:var(--primary);
  font-size:15px;
  font-weight:600;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease),gap .18s var(--ease);
}
.link-arrow::after{content:"→";font-size:15px}
.link-arrow:hover{color:var(--accent-deep);border-bottom-color:currentColor;gap:10px}

/* 卡片网格 */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:#D3E2F5}
.scene{overflow:hidden;display:flex;flex-direction:column}
.scene__img{aspect-ratio:16/9;background:var(--primary-soft);overflow:hidden}
.scene__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.scene:hover .scene__img img{transform:scale(1.03)}
.scene__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.scene__body h3{margin-top:12px;font-size:18px;font-weight:600;color:var(--t1)}
.scene__body p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--t3);flex:1}
.scene__body .link-arrow{margin-top:16px;font-size:14.5px}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:20px}
.flow li{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 20px 22px;
  box-shadow:var(--s1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.flow li:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:#D3E2F5}
.flow__n{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--accent-deep);
  background:rgba(255,122,26,.12);
  border-radius:var(--r-tag);
  padding:3px 9px;
  font-variant-numeric:tabular-nums;
}
.flow li h3{margin-top:14px;font-size:17px;font-weight:600;color:var(--t1)}
.flow li p{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--t3)}

/* 时间轴 */
.timeline{position:relative;margin-left:6px;padding-left:32px;border-left:2px solid var(--primary-soft)}
.timeline li{position:relative;padding:0 0 34px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";
  position:absolute;left:-41px;top:8px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline__year{
  display:inline-block;
  font-size:14px;font-weight:700;
  color:var(--primary);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.timeline__body{
  margin-top:8px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  padding:20px 22px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.timeline__body:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:#D3E2F5}
.timeline__body h3{font-size:17px;font-weight:600;color:var(--t1)}
.timeline__body p{margin-top:8px;font-size:15px;color:var(--t3);line-height:1.8}

/* 表格 */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  box-shadow:var(--s1);
  -webkit-overflow-scrolling:touch;
}
.table{width:100%;min-width:660px;border-collapse:collapse}
.table th,.table td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.table thead th{
  background:var(--primary-soft);
  color:var(--primary);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
}
.table tbody td:first-child{font-weight:600;color:var(--t1);white-space:nowrap}
.table tbody td{color:var(--t2);line-height:1.75}
.table tbody tr:nth-child(even){background:#FAFCFE}
.table tbody tr:last-child td{border-bottom:0}
.table tbody tr:hover{background:#F3F7FD}

/* 团队卡 */
.team{padding:26px 24px}
.team__avatar{
  width:52px;height:52px;border-radius:12px;
  background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;
  font-size:17px;font-weight:700;letter-spacing:.02em;
  margin-bottom:16px;
}
.team h3{font-size:17px;font-weight:600;color:var(--t1)}
.team p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--t3)}
.team__meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--t3);display:flex;align-items:center;gap:8px;
}
.team__meta b{color:var(--primary);font-variant-numeric:tabular-nums;font-size:15px}

/* FAQ */
.faq{display:grid;gap:12px;max-width:920px}
.faq__item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  overflow:hidden;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq__item.is-open{border-color:#CFDFF3;box-shadow:var(--s2)}
.faq__q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;font-weight:600;color:var(--t1);
  line-height:1.5;
}
.faq__q:hover{color:var(--primary)}
.faq__ico{position:relative;width:20px;height:20px;flex:none}
.faq__ico::before,.faq__ico::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:opacity .24s var(--ease),transform .28s var(--ease);
}
.faq__ico::before{width:14px;height:2px}
.faq__ico::after{width:2px;height:14px}
.faq__item.is-open .faq__ico{transform:rotate(180deg)}
.faq__item.is-open .faq__ico::after{opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq__item.is-open .faq__a{max-height:420px}
.faq__a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--t3);border-top:1px solid transparent}
.faq__item.is-open .faq__a-inner{padding-top:4px}

/* 联系条 */
.band{
  position:relative;
  background:var(--primary-deep);
  color:#fff;
  overflow:hidden;
}
.band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.band__inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:52px 0;
}
.band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);font-variant-numeric:tabular-nums}
.band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* 页脚 */
.ft{
  position:relative;
  background:var(--primary-deep);
  color:#fff;
  padding:64px 0 0;
  overflow:hidden;
}
.ft::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.04) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.ft .container{position:relative;z-index:1}
.ft__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.ft__brand .logo__mark{background:rgba(255,255,255,.14);color:#fff}
.ft__brand .logo__text{color:#fff}
.ft__desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.ft h3{font-size:15px;font-weight:600;color:#fff;letter-spacing:.02em;margin-bottom:18px}
.ft__links{display:grid;gap:12px}
.ft__links a{font-size:14.5px;color:rgba(255,255,255,.8);transition:color .18s var(--ease)}
.ft__links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.ft__contact{display:grid;gap:12px;font-size:14.5px;color:rgba(255,255,255,.8);line-height:1.7}
.ft__contact b{color:rgba(255,255,255,.6);font-weight:500}
.ft__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1199px){
  .section{padding:64px 0}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ft__grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav{display:none}
  .burger{display:block}
  .header__actions .badge{display:none}
  .pagehead{padding:40px 0 52px}
  .pagehead__grid{grid-template-columns:1fr;gap:32px}
  .intro{grid-template-columns:1fr;gap:32px}
  .intro__media{order:-1}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band__inner{flex-direction:column;align-items:flex-start;padding:44px 0}
  .ft__grid{grid-template-columns:1fr 1fr;gap:36px 28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .header__inner{height:56px;gap:12px}
  .logo__mark{width:30px;height:30px;font-size:15px;border-radius:8px}
  .logo__text{font-size:15.5px}
  .topbar{font-size:12.5px}
  .topbar__text{display:none}
  .header__actions .btn{display:none}
  .drawer__cta .btn{display:inline-flex}
  .grid--2,.grid--3,.grid--4,.flow{grid-template-columns:1fr}
  .pagehead h1{font-size:clamp(26px,7vw,34px)}
  .pagehead__lead{font-size:15.5px}
  .facts li{font-size:13.5px;padding:7px 12px}
  .faq__q{font-size:16px;padding:17px 18px}
  .faq__a-inner{padding:0 18px 20px}
  .ft{padding-top:48px}
  .ft__grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .ft__desc{max-width:none}
  .ft__bottom{flex-direction:column;align-items:flex-start;gap:10px;font-size:12.8px}
  .band__actions .btn{width:100%}
}
@media (max-width:520px){
  .h2{font-size:23px;padding-left:13px}
  .timeline{padding-left:24px}
  .timeline li::before{left:-33px}
  .badge{font-size:12px;padding:4px 10px}
  .btn--lg{height:46px;font-size:15px;width:100%}
}