/* roulang page: index */
:root{
  --brand:#1D5BD8;
  --brand-dark:#1546AE;
  --brand-light:#4A82E8;
  --brand-mist:#EAF1FE;
  --accent:#FF7A2F;
  --accent-dark:#E0621A;
  --accent-mist:#FFF1E8;
  --ink:#0E1A2B;
  --text:#2C3A4E;
  --muted:#64748B;
  --line:#E2E8F2;
  --page:#F5F8FD;
  --card:#FFFFFF;
  --ok:#12A87A;
  --warn:#F0B429;
  --err:#E5484D;
  --r-card:18px;
  --r-lg:24px;
  --r-xl:28px;
  --s1:0 1px 2px rgba(14,26,43,.04), 0 8px 24px rgba(14,26,43,.06);
  --s2:0 12px 32px rgba(29,91,216,.16);
  --dock-s:0 8px 30px rgba(14,26,43,.10);
  --w:1200px;
  --w-read:820px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
img{max-width:100%;display:block;border:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);letter-spacing:0}
.num{font-family:Inter,"Helvetica Neue",Arial,sans-serif}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 28px}
.section{padding:100px 0}
.section-tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700}
.sec-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);font-family:Inter,"Helvetica Neue",Arial,sans-serif}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}

/* ---------- Dock Nav ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:60;display:flex;justify-content:center;padding:0 16px;transition:top .25s ease}
.dock{
  width:100%;max-width:1180px;height:64px;display:flex;align-items:center;gap:24px;
  padding:0 14px 0 18px;border-radius:999px;background:rgba(255,255,255,.92);
  border:1px solid var(--line);box-shadow:var(--dock-s);
  backdrop-filter:blur(10px);transition:background-color .25s ease,box-shadow .25s ease;
}
.dock-wrap.is-stuck .dock{background:rgba(255,255,255,.98);box-shadow:0 12px 34px rgba(14,26,43,.14)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));color:#fff;
  font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-weight:800;font-size:16px;letter-spacing:-.02em;
}
.logo-text{font-weight:800;font-size:16px;color:var(--ink);white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.dock-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;
}
.dock-links a:hover{background:var(--brand-mist);color:var(--brand-dark)}
.dock-links a.is-active{color:var(--brand);font-weight:600}
.dock-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  width:42px;height:42px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--muted);transition:all .2s ease;
}
.dock-search:hover{color:var(--brand);border-color:var(--brand-light);background:var(--brand-mist)}
.dock-toggle{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;position:relative}
.dock-toggle span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.dock-toggle span:nth-child(1){top:15px}
.dock-toggle span:nth-child(2){top:21px}
.dock-toggle span:nth-child(3){top:27px}
.dock-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.dock-toggle.is-open span:nth-child(2){opacity:0}
.dock-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(29,91,216,.24)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-mist);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:focus-visible,.dock-search:focus-visible,.dock-toggle:focus-visible,.scroll-btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.text-link:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px}
.text-link.on-dark{color:#fff}
.text-link.on-dark:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;font-size:12px;font-weight:600;line-height:1}
.badge-blue{background:var(--brand-mist);color:var(--brand-dark)}
.badge-orange{background:var(--accent-mist);color:var(--accent-dark)}
.badge-soft{background:#EEF2F9;color:var(--muted)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-radius:0 0 var(--r-xl) var(--r-xl);background:var(--ink)}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(100deg,rgba(14,26,43,.78),rgba(29,91,216,.32)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;z-index:0}
.hero-inner{position:relative;z-index:1;max-width:var(--w);margin:0 auto;padding:132px 28px 84px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.78fr);gap:56px;align-items:center;min-height:640px}
.hero-copy{color:#fff;padding:24px 0}
.hero-copy .badge{margin-bottom:22px}
.hero-copy h1{
  font-size:clamp(32px,4.4vw,56px);line-height:1.15;font-weight:800;color:#fff;margin-bottom:22px;
}
.hero-copy p{font-size:19px;line-height:1.7;color:rgba(255,255,255,.86);max-width:620px;margin-bottom:34px}
.hero-btns{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:38px;flex-wrap:wrap}
.hero-stats div{color:rgba(255,255,255,.78);font-size:13px}
.hero-stats strong{display:block;font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-size:24px;font-weight:800;color:#fff;line-height:1.2}
.hero-card{
  background:#fff;border-radius:22px;padding:24px;box-shadow:0 24px 60px rgba(14,26,43,.28);
}
.hero-card h2{font-size:16px;font-weight:700;margin-bottom:6px}
.hero-card .hero-card-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.hero-list{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.hero-list li{display:flex;align-items:center;gap:12px;padding:12px 8px;border-radius:12px;transition:background-color .2s ease}
.hero-list li:hover{background:var(--brand-mist)}
.hero-list .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.hero-list .hl-main{font-size:14px;font-weight:600;color:var(--ink);flex:1 1 auto}
.hero-list .hl-sub{font-size:12px;color:var(--muted);font-family:Inter,"Helvetica Neue",Arial,sans-serif}
.hero-card-foot{border-top:1px solid var(--line);padding-top:14px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}

/* ---------- Scroll band ---------- */
.band-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.band-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700}
.band-head p{margin-top:10px;color:var(--muted);font-size:15px}
.band-tools{display:flex;align-items:center;gap:12px}
.scroll-btn{
  width:44px;height:44px;border-radius:999px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);box-shadow:var(--s1);transition:all .2s ease;
}
.scroll-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.band{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 20px 26px;margin:0 -20px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.band::-webkit-scrollbar{display:none}
.band-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--s1);transition:box-shadow .25s ease,transform .25s ease;
}
.band-card:hover{box-shadow:var(--s2);transform:translateY(-3px)}
.band-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.band-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.band-card:hover .band-thumb img{transform:scale(1.03)}
.band-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand-dark)}
.band-body{padding:20px}
.band-body h3{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.band-body p{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.band-meta{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.band-meta span::before{content:"·";margin-right:10px;color:var(--line)}
.band-meta span:first-child::before{display:none}

/* ---------- Hot grid ---------- */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.hot-big{
  grid-column:span 2;grid-row:span 2;position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:420px;box-shadow:var(--s1);display:block;
}
.hot-big img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.hot-big:hover img{transform:scale(1.04)}
.hot-big::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,43,.06),rgba(14,26,43,.82))}
.hot-big-copy{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff}
.hot-big-copy .badge{margin-bottom:14px;background:var(--accent);color:#fff}
.hot-big-copy h3{font-size:26px;line-height:1.35;font-weight:700;color:#fff;margin-bottom:10px}
.hot-big-copy p{font-size:14px;color:rgba(255,255,255,.84);line-height:1.7}
.hot-small{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px;box-shadow:var(--s1);transition:box-shadow .25s ease,transform .25s ease;
}
.hot-small:hover{box-shadow:var(--s2);transform:translateY(-3px)}
.hot-small .hs-thumb{flex:0 0 108px;aspect-ratio:4/3;border-radius:14px;overflow:hidden}
.hot-small .hs-thumb img{width:100%;height:100%;object-fit:cover}
.hot-small h3{font-size:16px;font-weight:600;line-height:1.45;margin:6px 0 4px}
.hot-small p{font-size:13px;color:var(--muted);line-height:1.6}

/* ---------- News list ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--text);transition:all .2s ease;
}
.chip:hover{border-color:var(--brand-light);color:var(--brand);background:var(--brand-mist)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{
  display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--s1);
  transition:box-shadow .25s ease,transform .25s ease;
}
.news-item:hover{box-shadow:var(--s2);transform:translateY(-2px)}
.news-thumb{aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-item:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 22px 0;display:flex;flex-direction:column;justify-content:center}
.news-body h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a:hover{color:var(--brand)}
.news-body p{font-size:15px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--muted)}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state .es-icon{width:52px;height:52px;border-radius:16px;background:var(--brand-mist);color:var(--brand);display:grid;place-items:center;margin:0 auto 16px}
.empty-state p{font-size:15px;margin-bottom:16px}

/* ---------- Topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;grid-auto-rows:minmax(210px,auto)}
.topic-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--s1);display:flex;flex-direction:column;transition:box-shadow .25s ease,transform .25s ease;
}
.topic-card:hover{box-shadow:var(--s2);transform:translateY(-3px)}
.topic-card.wide{grid-column:span 2}
.topic-card .tc-img{aspect-ratio:21/9;overflow:hidden}
.topic-card.wide .tc-img{aspect-ratio:32/9}
.topic-card .tc-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.topic-card:hover .tc-img img{transform:scale(1.04)}
.topic-card .tc-body{padding:20px;flex:1 1 auto;display:flex;flex-direction:column;gap:8px}
.topic-card h3{font-size:18px;font-weight:600;line-height:1.45}
.topic-card p{font-size:14px;color:var(--muted);line-height:1.7}
.topic-card .tc-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}

/* ---------- Trust band ---------- */
.trust{background:var(--brand-mist)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.trust-item{padding:12px}
.trust-item strong{display:block;font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-size:clamp(30px,3.4vw,44px);font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em}
.trust-item span{display:block;margin-top:8px;font-size:14px;color:var(--text)}
.trust-item em{display:block;margin-top:4px;font-size:12px;color:var(--muted);font-style:normal}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start}
.faq-intro h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700;margin-bottom:16px}
.faq-intro p{font-size:15px;color:var(--muted);margin-bottom:22px}
.accordion{background:transparent;border:0;display:flex;flex-direction:column;gap:12px}
.accordion .accordion-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--s1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.accordion .accordion-item:hover{border-color:var(--brand-light)}
.accordion .accordion-title{
  position:relative;display:block;padding:20px 56px 20px 24px;border:0;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;background:transparent;
}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-family:Inter,Arial,sans-serif;font-size:22px;font-weight:500;color:var(--brand);
  transition:transform .2s ease,color .2s ease;line-height:1;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--brand)}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg)}
.accordion .accordion-content{padding:0 24px 22px;border:0;background:transparent;color:var(--muted);font-size:15px;line-height:1.8}
.accordion .accordion-item.is-active{border-color:var(--brand-light);border-left:4px solid var(--brand)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:var(--r-xl);overflow:hidden;padding:56px;
  background-image:linear-gradient(100deg,rgba(14,26,43,.86),rgba(29,91,216,.62)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:700;margin-bottom:12px;max-width:620px}
.cta-band p{color:rgba(255,255,255,.84);font-size:16px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.footer{
  margin-top:100px;background:var(--ink);color:rgba(255,255,255,.72);
  border-radius:var(--r-xl) var(--r-xl) 0 0;padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer .f-brand .logo-mark{background:linear-gradient(135deg,var(--brand-light),var(--brand))}
.footer .f-brand span{color:#fff;font-weight:800;font-size:16px}
.footer p{font-size:14px;line-height:1.8}
.footer ul{display:flex;flex-direction:column;gap:10px}
.footer ul a{font-size:14px;color:rgba(255,255,255,.72)}
.footer ul a:hover{color:var(--brand-light)}
.f-form{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.f-form label{font-size:13px;color:rgba(255,255,255,.6)}
.f-form input{
  height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:14px;
}
.f-form input::placeholder{color:rgba(255,255,255,.4)}
.f-form input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(74,130,232,.28)}
.f-form .btn{width:100%;background:var(--brand);color:#fff}
.f-form .btn:hover{background:var(--brand-light)}
.f-hint{font-size:12px;color:rgba(255,255,255,.42);margin-top:6px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hot-grid{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:120px 24px 64px;min-height:auto}
  .hero-copy p{font-size:17px}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .hot-big{grid-column:span 2;grid-row:span 1;min-height:320px}
  .news-item{grid-template-columns:200px minmax(0,1fr);gap:18px}
  .news-body{padding:18px 20px 18px 0}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dock-links{
    position:fixed;left:16px;right:16px;top:88px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--dock-s);
    padding:12px;display:none;margin:0;
  }
  .dock-links.is-open{display:flex}
  .dock-links a{height:52px;padding:0 16px;border-radius:14px;font-size:16px}
  .dock-links a.is-active::after{display:none}
  .dock-links a.is-active{background:var(--brand-mist);box-shadow:inset 4px 0 0 var(--brand)}
  .dock-toggle{display:block;margin-left:auto}
  .dock-actions .btn{display:none}
  .dock-search{display:none}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .dock{height:56px;padding:0 10px 0 14px;gap:10px}
  .logo-text{font-size:15px}
  .hero{border-radius:0 0 22px 22px}
  .hero-inner{padding:104px 16px 48px;gap:28px}
  .hero-copy{padding:0}
  .hero-copy h1{font-size:clamp(28px,8vw,36px)}
  .hero-copy p{font-size:16px;margin-bottom:26px}
  .hero-btns{gap:16px}
  .hero-btns .btn{width:100%}
  .hero-stats{gap:22px;margin-top:28px}
  .band-card{flex:0 0 78vw}
  .band{padding:6px 16px 22px;margin:0 -16px}
  .hot-grid{grid-template-columns:1fr;gap:16px}
  .hot-big{grid-column:span 1;min-height:260px}
  .hot-big-copy{padding:22px}
  .hot-big-copy h3{font-size:21px}
  .news-item{grid-template-columns:1fr;gap:0}
  .news-thumb{aspect-ratio:16/9}
  .news-body{padding:18px 18px 22px}
  .news-body h3{font-size:17px}
  .topic-grid{grid-template-columns:1fr}
  .topic-card.wide{grid-column:span 1}
  .topic-card.wide .tc-img{aspect-ratio:21/9}
  .trust-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:32px 22px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer{margin-top:56px;padding:48px 0 22px;border-radius:22px 22px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .band-head{flex-direction:column;align-items:flex-start;gap:14px}
  .band-tools .scroll-btn{display:none}
}

/* roulang page: article */
:root{
  --primary:#1D5BD8;
  --primary-hover:#1546AE;
  --primary-light:#4A82E8;
  --primary-mist:#EAF1FE;
  --accent:#FF7A2F;
  --accent-deep:#E0621A;
  --accent-mist:#FFF1E8;
  --ink:#0E1A2B;
  --text:#2C3A4E;
  --muted:#64748B;
  --line:#E2E8F2;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --success:#12A87A;
  --warn:#F0B429;
  --danger:#E5484D;
  --r-card:18px;
  --r-lg:26px;
  --r-img:14px;
  --s1:0 1px 2px rgba(14,26,43,.04), 0 8px 24px rgba(14,26,43,.06);
  --s2:0 12px 32px rgba(29,91,216,.16);
  --s-dock:0 8px 30px rgba(14,26,43,.10);
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 28px;
}

.container-narrow{
  width:100%;
  max-width:876px;
  margin:0 auto;
  padding:0 28px;
}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1000;
  padding:0 16px;
  pointer-events:none;
}

.dock{
  pointer-events:auto;
  position:relative;
  max-width:1180px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--s-dock);
  transition:background .25s ease, box-shadow .25s ease;
}

.dock-wrap.is-stuck .dock{
  background:rgba(255,255,255,.98);
  box-shadow:0 10px 34px rgba(14,26,43,.14);
}

.dock-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:700;
  color:var(--ink);
  font-size:17px;
  letter-spacing:0;
}
.dock-logo:hover{color:var(--ink);}

.logo-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
  font-family:var(--font-num);
  font-size:16px;
  font-weight:800;
  letter-spacing:.02em;
  flex:0 0 auto;
}

.logo-text{white-space:nowrap;}

.dock-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}

.dock-links a{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  white-space:nowrap;
  transition:background .2s ease, color .2s ease;
}

.dock-links a:hover{background:var(--primary-mist);color:var(--primary);}

.dock-links a.is-active{
  color:var(--primary);
  font-weight:600;
  box-shadow:inset 0 -2px 0 var(--primary);
}

.dock-links a.is-active:hover{background:var(--primary-mist);}

.dock-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.dock-search{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  cursor:pointer;
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.dock-search:hover{color:var(--primary);border-color:var(--primary-light);background:var(--primary-mist);}

.dock-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.dock-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s ease, opacity .2s ease;
}
.dock-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.dock-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dock-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 18px rgba(29,91,216,.22);
}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  border-color:var(--line);
  color:var(--ink);
  background:#fff;
}
.btn-ghost:hover{border-color:var(--primary-light);color:var(--primary);background:var(--primary-mist);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
}
.link-arrow:hover{color:var(--primary-hover);gap:10px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:600;
  line-height:1;
  letter-spacing:.02em;
}
.badge-blue{background:var(--primary-mist);color:var(--primary-hover);}
.badge-orange{background:var(--accent-mist);color:var(--accent-deep);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ 主区域 ============ */
.site-main{padding-top:104px;}

.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding:6px 0 20px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C3CEDD;}
.crumb .now{
  max-width:34ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:var(--text);
}

/* ============ 文章头部 ============ */
.article-hero{
  background:
    linear-gradient(100deg, rgba(14,26,43,.78), rgba(29,91,216,.32)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  padding:52px 0 48px;
  color:#fff;
}
.article-hero .crumb{color:rgba(255,255,255,.78);}
.article-hero .crumb a{color:rgba(255,255,255,.82);}
.article-hero .crumb a:hover{color:#fff;}
.article-hero .crumb .sep{color:rgba(255,255,255,.45);}
.article-hero .crumb .now{color:#fff;}

.article-title{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.22;
  font-weight:800;
  letter-spacing:0;
  color:#fff;
  margin:14px 0 0;
  max-width:900px;
  overflow-wrap:break-word;
  word-break:break-word;
}

.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:22px;
  font-size:14px;
  color:rgba(255,255,255,.82);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5);}
.article-meta .num{font-family:var(--font-num);letter-spacing:.02em;}

.hero-badges{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.hero-badges .badge-blue{background:rgba(255,255,255,.16);color:#fff;}
.hero-badges .badge-orange{background:rgba(255,122,47,.9);color:#fff;}

/* ============ 正文 ============ */
.article-section{padding:64px 0 0;}

.article-body{
  max-width:820px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  overflow-wrap:break-word;
  word-break:break-word;
}

.article-body > *:first-child{margin-top:0;}

.article-body p{margin:0 0 1.2em;}

.article-body h2{
  position:relative;
  padding-left:16px;
  margin:2em 0 .8em;
  font-size:clamp(21px,2.2vw,27px);
  line-height:1.4;
  font-weight:700;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  bottom:.22em;
  width:4px;
  border-radius:2px;
  background:var(--primary);
}

.article-body h3{
  margin:1.6em 0 .6em;
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
}

.article-body h4{
  margin:1.4em 0 .5em;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}

.article-body ul,.article-body ol{
  padding-left:1.5em;
  margin:0 0 1.2em;
}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.45em 0;}
.article-body li::marker{color:var(--primary);}

.article-body blockquote{
  margin:1.6em 0;
  padding:16px 22px;
  border-left:3px solid var(--primary);
  background:var(--primary-mist);
  border-radius:0 14px 14px 0;
  color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}

.article-body img{
  display:block;
  max-width:100%;
  height:auto;
  margin:1.6em auto;
  border-radius:var(--r-img);
  box-shadow:var(--s1);
}

.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  line-height:1.6;
  color:var(--muted);
}

.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--primary-hover);}

.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  overflow:hidden;
}
.article-body thead th{
  background:var(--primary-mist);
  color:var(--ink);
  font-weight:600;
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  text-align:left;
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}

.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

.article-body hr{
  border:0;
  border-top:1px solid var(--line);
  margin:2.2em 0;
}

.empty-state{
  padding:56px 28px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  text-align:center;
}
.empty-state p{margin:0 0 8px;font-size:17px;color:var(--ink);font-weight:600;}
.empty-state span{display:block;margin-bottom:22px;font-size:14px;color:var(--muted);}

.article-divider{
  max-width:820px;
  height:1px;
  background:var(--line);
  margin:56px 0 28px;
}

.article-back{max-width:820px;}

/* ============ 相关阅读 ============ */
.related-section{padding:80px 0 0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
}
.section-head p{margin-top:8px;font-size:15px;color:var(--muted);}

.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
}

.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--s1);
  overflow:hidden;
  transition:box-shadow .25s ease, transform .25s ease;
}
.card:hover{box-shadow:var(--s2);transform:translateY(-3px);}

.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--primary-mist);
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.card:hover .card-media img{transform:scale(1.03);}

.card-tag{
  position:absolute;
  top:12px;
  left:12px;
}

.card-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.card-body h3{
  font-size:18px;
  line-height:1.45;
  font-weight:600;
  color:var(--ink);
}
.card-body p{
  font-size:14px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:12px;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.card-foot .dot{width:4px;height:4px;border-radius:50%;background:#C3CEDD;}
.card-foot .num{font-family:var(--font-num);}

/* ============ CTA 通栏 ============ */
.cta-band{
  margin:88px 0 0;
  border-radius:var(--r-lg);
  overflow:hidden;
  position:relative;
  background:
    linear-gradient(100deg, rgba(14,26,43,.82), rgba(29,91,216,.42)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:52px 48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;
  font-weight:700;
  color:#fff;
}
.cta-band p{
  margin-top:12px;
  font-size:15px;
  line-height:1.75;
  color:rgba(255,255,255,.85);
  max-width:52ch;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;color:#fff;}

/* ============ 页脚 ============ */
.footer{
  margin-top:96px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  border-radius:28px 28px 0 0;
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
}
.footer h3{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin:0 0 16px;
}
.footer ul{display:flex;flex-direction:column;gap:10px;}
.footer a{color:rgba(255,255,255,.72);font-size:14px;}
.footer a:hover{color:var(--primary-light);}
.f-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}

.f-form{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.f-form label{font-size:13px;color:rgba(255,255,255,.7);}
.f-form input{
  height:48px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.f-form input::placeholder{color:rgba(255,255,255,.45);}
.f-form input:focus{
  outline:none;
  border-color:var(--primary-light);
  background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(74,130,232,.3);
}
.f-form .btn{
  background:var(--primary);
  color:#fff;
  height:48px;
}
.f-form .btn:hover{background:var(--primary-light);color:#fff;}
.f-hint{font-size:12px;color:rgba(255,255,255,.5);}

.footer-bottom{
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .dock{max-width:100%;}
}

@media screen and (max-width:1023px){
  .container,.container-narrow{padding:0 20px;}
  .site-main{padding-top:92px;}
  .dock{height:60px;padding:0 10px 0 14px;gap:10px;}
  .dock-links{
    display:none;
    position:absolute;
    top:74px;
    left:0;
    right:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:22px;
    box-shadow:var(--s2);
  }
  .dock-links.is-open{display:flex;}
  .dock-links a{
    height:52px;
    padding:0 16px;
    border-radius:14px;
    font-size:16px;
    box-shadow:none;
  }
  .dock-links a.is-active{
    background:var(--primary-mist);
    box-shadow:inset 4px 0 0 var(--primary);
  }
  .dock-actions{display:none;}
  .dock-toggle{display:flex;}
  .dock-logo{margin-right:auto;}
  .article-hero{padding:36px 0 34px;border-radius:0 0 22px 22px;}
  .article-section{padding:48px 0 0;}
  .related-section{padding:60px 0 0;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .footer{margin-top:72px;padding:52px 0 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{margin-top:64px;padding:36px 28px;border-radius:22px;}
}

@media screen and (max-width:639px){
  .container,.container-narrow{padding:0 16px;}
  .site-main{padding-top:84px;}
  .dock{height:56px;border-radius:999px;}
  .logo-mark{width:30px;height:30px;font-size:14px;border-radius:10px;}
  .dock-logo{font-size:16px;}
  .dock-links{top:68px;}
  .article-hero{border-radius:0 0 18px 18px;padding:28px 0 30px;}
  .article-title{font-size:clamp(24px,7vw,32px);}
  .article-meta{font-size:13px;gap:8px;}
  .article-section{padding:36px 0 0;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{padding-left:14px;margin:1.8em 0 .7em;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
  .article-divider{margin:40px 0 22px;}
  .related-section{padding:48px 0 0;}
  .rel-grid{grid-template-columns:1fr;gap:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-band{margin-top:52px;padding:28px 20px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#1D5BD8;
  --brand-dark:#1546AE;
  --brand-light:#4A82E8;
  --brand-mist:#EAF1FE;
  --accent:#FF7A2F;
  --accent-dark:#E0621A;
  --accent-mist:#FFF1E8;
  --ink:#0E1A2B;
  --text:#2C3A4E;
  --muted:#64748B;
  --line:#E2E8F2;
  --page:#F5F8FD;
  --card:#FFFFFF;
  --ok:#12A87A;
  --warn:#F0B429;
  --err:#E5484D;
  --r-card:18px;
  --r-lg:26px;
  --r-img:14px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(14,26,43,.04), 0 8px 24px rgba(14,26,43,.06);
  --s2:0 12px 32px rgba(29,91,216,.16);
  --s-dock:0 8px 30px rgba(14,26,43,.10);
  --gutter:28px;
  --sec:104px;
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  padding:0 0 0;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; border:0; }
a{ color:var(--brand); text-decoration:none; transition:color .18s ease, background-color .18s ease, border-color .18s ease; }
a:hover{ color:var(--brand-dark); }
h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
ul,ol{ list-style:none; padding:0; }
button{ font-family:inherit; cursor:pointer; background:none; border:0; color:inherit; }
input{ font-family:inherit; }

h1{ font-size:clamp(32px,4.4vw,56px); line-height:1.15; font-weight:800; color:var(--ink); letter-spacing:0; }
h2{ font-size:clamp(24px,2.6vw,36px); line-height:1.25; font-weight:700; color:var(--ink); letter-spacing:0; }
h3{ font-size:20px; line-height:1.4; font-weight:600; color:var(--ink); }
h4{ font-size:15px; line-height:1.4; font-weight:600; color:var(--ink); }

.container{ width:100%; max-width:1200px; margin:0 auto; padding:0 var(--gutter); }
.container-narrow{ width:100%; max-width:820px; margin:0 auto; padding:0 var(--gutter); }

a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:8px;
}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:0;
  z-index:90;
  padding:16px 16px 10px;
  background:linear-gradient(180deg,#F5F8FD 0%,#F5F8FD 74%,rgba(245,248,253,0) 100%);
  transition:background-color .2s ease;
}
.dock-wrap.is-stuck{ background:linear-gradient(180deg,#F5F8FD 0%,#F5F8FD 92%,rgba(245,248,253,0) 100%); }

.dock{
  max-width:1180px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--s-dock);
  backdrop-filter:saturate(140%) blur(6px);
  -webkit-backdrop-filter:saturate(140%) blur(6px);
}
.dock-wrap.is-stuck .dock{ background:rgba(255,255,255,.98); }

.dock-logo{ display:flex; align-items:center; gap:10px; flex:0 0 auto; color:var(--ink); }
.logo-mark{
  width:34px; height:34px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff; font-family:var(--font-num); font-size:17px; font-weight:800;
  letter-spacing:0;
}
.logo-text{ font-size:16px; font-weight:700; color:var(--ink); white-space:nowrap; }

.dock-links{ display:flex; align-items:center; gap:4px; margin-left:8px; }
.dock-links a{
  position:relative;
  display:inline-flex; align-items:center;
  height:40px; padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px; font-weight:500; color:var(--text);
  white-space:nowrap;
}
.dock-links a:hover{ background:var(--brand-mist); color:var(--brand-dark); }
.dock-links a.is-active{ color:var(--brand); font-weight:600; }
.dock-links a.is-active::after{
  content:"";
  position:absolute; left:14px; right:14px; bottom:4px;
  height:2px; border-radius:2px; background:var(--brand);
}

.dock-actions{ display:flex; align-items:center; gap:10px; margin-left:auto; }
.dock-search{
  width:44px; height:44px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--muted);
  background:#fff;
  transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.dock-search:hover{ color:var(--brand); border-color:var(--brand-light); background:var(--brand-mist); }

.dock-toggle{
  display:none;
  width:44px; height:44px;
  flex-direction:column; align-items:center; justify-content:center; gap:4px;
  border-radius:12px;
  margin-left:auto;
}
.dock-toggle span{ display:block; width:18px; height:2px; border-radius:2px; background:var(--ink); transition:transform .2s ease,opacity .2s ease; }
.dock-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.dock-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.dock-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px; font-weight:600; line-height:1;
  transition:transform .18s ease, box-shadow .18s ease, background-image .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{
  background-image:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;
  box-shadow:0 10px 22px rgba(29,91,216,.24);
}
.btn-primary:hover{
  background-image:linear-gradient(135deg,var(--brand-dark),var(--brand));
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--s2);
}
.btn-primary:active{ transform:translateY(0); }
.btn-sm{ height:40px; padding:0 18px; font-size:14px; }
.btn-outline{
  background:#fff; color:var(--ink); border-color:var(--line);
}
.btn-outline:hover{ border-color:var(--brand); color:var(--brand); transform:translateY(-2px); box-shadow:var(--s1); }
.btn-outline:active{ transform:translateY(0); }
.btn-light{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-light:hover{ background:rgba(255,255,255,.20); color:#fff; transform:translateY(-2px); }
.btn-light:active{ transform:translateY(0); }
.btn[disabled],.btn.is-disabled{ opacity:.4; pointer-events:none; }

.textlink{
  display:inline-flex; align-items:center; gap:6px;
  font-size:15px; font-weight:600; color:var(--brand);
}
.textlink::after{ content:"→"; transition:transform .18s ease; }
.textlink:hover{ color:var(--brand-dark); }
.textlink:hover::after{ transform:translateX(4px); }
.on-dark .textlink{ color:#fff; }
.on-dark .textlink:hover{ color:var(--accent); }

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex; align-items:center;
  height:26px; padding:0 10px;
  border-radius:6px;
  font-size:12px; font-weight:600; line-height:1;
  letter-spacing:0;
}
.badge-blue{ background:var(--brand-mist); color:var(--brand-dark); }
.badge-orange{ background:var(--accent-mist); color:var(--accent-dark); }
.badge-light{ background:rgba(255,255,255,.18); color:#fff; }

.eyebrow{
  font-family:var(--font-num);
  font-size:12px; letter-spacing:.08em; text-transform:uppercase;
  font-weight:600; color:var(--brand-light);
}

/* ---------- 面包屑 ---------- */
.crumbs{ padding:24px 0 0; }
.crumbs ol{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13px; color:var(--muted); }
.crumbs li{ display:flex; align-items:center; gap:8px; }
.crumbs li+li::before{ content:"/"; color:var(--line); }
.crumbs a{ color:var(--muted); }
.crumbs a:hover{ color:var(--brand); }
.crumbs [aria-current="page"]{ color:var(--ink); font-weight:600; }

/* ---------- 页面头部条 ---------- */
.pagehead{
  margin-top:22px;
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:64px 56px;
  min-height:340px;
  display:flex;
  align-items:center;
  color:#fff;
  background-color:var(--ink);
  background-image:
    linear-gradient(100deg,rgba(14,26,43,.78),rgba(29,91,216,.32)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.pagehead-inner{ max-width:640px; }
.pagehead h1{ color:#fff; margin:16px 0 18px; }
.pagehead .lead{ font-size:18px; line-height:1.7; color:rgba(255,255,255,.88); }
.pagehead .head-tags{ display:flex; flex-wrap:wrap; gap:10px; margin-top:24px; }

/* ---------- 数据条 ---------- */
.statbar{
  margin-top:28px;
  background:var(--brand-mist);
  border:1px solid #D7E5FC;
  border-radius:24px;
  padding:28px 24px;
}
.statbar-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat{ text-align:left; padding-left:18px; border-left:2px solid rgba(29,91,216,.18); }
.stat:first-child{ border-left:0; padding-left:0; }
.stat-num{
  font-family:var(--font-num);
  font-size:38px; font-weight:800; line-height:1.1;
  color:var(--brand-dark); letter-spacing:-.01em;
}
.stat-num em{ font-size:16px; font-style:normal; font-weight:600; margin-left:2px; color:var(--brand); }
.stat-label{ font-size:13px; color:var(--muted); margin-top:4px; }

/* ---------- 主体栅格 ---------- */
.section{ padding-top:var(--sec); }
.section-sm{ padding-top:72px; }

.grid-x{ display:flex; flex-flow:row wrap; }
.grid-margin-x{ margin-left:-14px; margin-right:-14px; }
.grid-margin-x > .cell{ padding-left:14px; padding-right:14px; }
.cell{ min-width:0; }
.large-8{ flex:0 0 100%; max-width:100%; }

.layout-main{ align-items:flex-start; }

/* ---------- 图文交错区块 ---------- */
.feat{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--s1);
}
.feat + .feat{ margin-top:32px; }
.feat.is-flip .feat-media{ order:2; }
.feat.is-flip .feat-body{ order:1; }

.feat-media{ overflow:hidden; border-radius:var(--r-img); }
.feat-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  transition:transform .35s ease;
}
.feat:hover .feat-media img{ transform:scale(1.03); }

.feat-body h2{ margin:14px 0 14px; }
.feat-body p{ font-size:16px; line-height:1.85; color:var(--text); }
.feat-list{ margin-top:18px; display:grid; gap:10px; }
.feat-list li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.feat-list li::before{
  content:"";
  position:absolute; left:0; top:10px;
  width:8px; height:8px; border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px var(--brand-mist);
}
.feat-body .textlink{ margin-top:20px; }

.anchor-target{ scroll-margin-top:110px; }

/* ---------- 右侧目录卡 ---------- */
.side-col{ position:relative; }
.side-sticky{ position:sticky; top:96px; display:grid; gap:18px; }

.toc-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--s1);
}
.toc-card h3{ font-size:17px; margin-bottom:14px; }
.toc-list{ display:grid; gap:2px; }
.toc-list a{
  display:flex; align-items:center; gap:10px;
  min-height:44px;
  padding:8px 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--text);
  border-left:2px solid transparent;
}
.toc-list a span.idx{
  font-family:var(--font-num);
  font-size:12px; font-weight:700;
  color:var(--brand-light);
  min-width:18px;
}
.toc-list a:hover{ background:var(--brand-mist); color:var(--brand-dark); border-left-color:var(--brand); }

.side-help{
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  border-radius:var(--r-card);
  padding:24px;
  color:#fff;
  box-shadow:var(--s2);
}
.side-help h3{ color:#fff; font-size:17px; margin-bottom:10px; }
.side-help p{ font-size:14px; line-height:1.7; color:rgba(255,255,255,.88); }
.side-help .btn{ margin-top:18px; width:100%; background:#fff; color:var(--brand-dark); border-color:#fff; }
.side-help .btn:hover{ background:#F3F7FF; color:var(--brand-dark); transform:translateY(-2px); }
.side-hint{ display:block; margin-top:12px; font-size:12px; color:rgba(255,255,255,.72); }

/* ---------- 覆盖项目带 ---------- */
.coverage{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px;
  box-shadow:var(--s1);
}
.coverage-head{ display:flex; flex-wrap:wrap; align-items:flex-end; gap:16px; justify-content:space-between; }
.coverage-head p{ font-size:15px; color:var(--muted); max-width:520px; }
.coverage-list{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.coverage-list li{
  padding:22px 18px 4px;
  border-left:1px solid var(--line);
}
.coverage-list li:first-child{ border-left:0; padding-left:0; }
.coverage-list h3{ font-size:16px; margin-bottom:6px; }
.coverage-list span{ font-size:13px; color:var(--muted); line-height:1.6; display:block; }
.coverage-list .num{
  font-family:var(--font-num);
  font-size:12px; font-weight:700; letter-spacing:.08em;
  color:var(--accent);
  display:block; margin-bottom:8px;
}

/* ---------- 行动区 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  background-color:var(--ink);
  background-image:
    linear-gradient(100deg,rgba(14,26,43,.78),rgba(29,91,216,.32)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.cta-band h2{ color:#fff; max-width:560px; }
.cta-band p{ margin-top:12px; font-size:16px; line-height:1.75; color:rgba(255,255,255,.85); max-width:560px; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:14px; flex:0 0 auto; }

/* ---------- 页脚 ---------- */
.footer{
  margin-top:var(--sec);
  background:#0E1A2B;
  color:#fff;
  border-radius:28px 28px 0 0;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:40px;
}
.f-brand{ display:flex; align-items:center; gap:10px; font-size:17px; font-weight:700; margin-bottom:16px; }
.footer p{ font-size:14px; line-height:1.8; color:rgba(255,255,255,.72); }
.footer h3{ color:#fff; font-size:16px; margin-bottom:16px; }
.footer ul{ display:grid; gap:10px; }
.footer ul a{ font-size:14px; color:rgba(255,255,255,.72); }
.footer ul a:hover{ color:var(--brand-light); }

.f-form{ display:grid; gap:10px; margin-top:6px; }
.f-form label{ font-size:13px; color:rgba(255,255,255,.72); }
.f-form input{
  height:48px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15px;
}
.f-form input::placeholder{ color:rgba(255,255,255,.4); }
.f-form input:focus{ border-color:var(--brand-light); outline:none; box-shadow:0 0 0 3px rgba(74,130,232,.28); }
.f-form .btn{
  margin-top:4px;
  background-image:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;
  width:100%;
}
.f-form .btn:hover{ background-image:linear-gradient(135deg,var(--brand-dark),var(--brand)); transform:translateY(-2px); box-shadow:var(--s2); }
.f-hint{ font-size:12px; color:rgba(255,255,255,.5); }

.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media screen and (min-width:1024px){
  .large-8{ flex:0 0 66.6667%; max-width:66.6667%; }
  .large-4{ flex:0 0 33.3333%; max-width:33.3333%; }
}

@media screen and (max-width:1279px){
  :root{ --sec:96px; }
}

@media screen and (max-width:1023px){
  :root{ --sec:72px; --gutter:20px; }

  .dock{ height:56px; padding:0 10px 0 14px; gap:12px; }
  .dock-toggle{ display:flex; }
  .dock-actions{ margin-left:0; }
  .dock-actions .btn{ display:none; }
  .dock-links{
    position:fixed;
    left:16px; right:16px; top:88px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--s2);
    max-height:calc(100vh - 120px);
    overflow:auto;
  }
  .dock-links.is-open{ display:flex; }
  .dock-links a{
    height:52px;
    border-radius:14px;
    padding-left:18px;
    font-size:16px;
  }
  .dock-links a.is-active::after{ display:none; }
  .dock-links a.is-active::before{
    content:"";
    position:absolute; left:6px; top:14px; bottom:14px;
    width:3px; border-radius:3px; background:var(--brand);
  }

  .pagehead{ padding:48px 32px; min-height:300px; }
  .statbar-grid{ grid-template-columns:repeat(2,1fr); }
  .stat:nth-child(3){ border-left:0; padding-left:0; }
  .stat:nth-child(odd){ border-left:0; padding-left:0; }

  .side-sticky{ position:static; }
  .coverage-list{ grid-template-columns:repeat(2,1fr); }
  .coverage-list li:nth-child(odd){ border-left:0; padding-left:0; }
  .cta-band{ flex-direction:column; align-items:flex-start; padding:44px 32px; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}

@media screen and (max-width:767px){
  .feat{ grid-template-columns:1fr; gap:22px; padding:20px; }
  .feat.is-flip .feat-media{ order:0; }
  .feat.is-flip .feat-body{ order:0; }
  .feat-media img{ aspect-ratio:16/9; }
}

@media screen and (max-width:519px){
  :root{ --sec:56px; --gutter:16px; }

  .logo-text{ font-size:15px; }
  .pagehead{ padding:36px 22px; min-height:280px; border-radius:22px; }
  .pagehead .lead{ font-size:16px; }
  .statbar{ padding:22px 18px; border-radius:18px; }
  .stat-num{ font-size:30px; }
  .coverage{ padding:26px 20px; border-radius:20px; }
  .coverage-list{ grid-template-columns:1fr; }
  .coverage-list li{ border-left:0; padding-left:0; padding-right:0; }
  .cta-band{ padding:36px 22px; border-radius:22px; }
  .cta-actions{ width:100%; }
  .cta-actions .btn{ width:100%; }
  .footer{ padding-top:52px; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .footer-bottom{ flex-direction:column; }
}

/* roulang page: category2 */
:root{
  --brand:#1D5BD8;
  --brand-dark:#1546AE;
  --brand-light:#4A82E8;
  --brand-mist:#EAF1FE;
  --accent:#FF7A2F;
  --accent-dark:#E0621A;
  --accent-mist:#FFF1E8;
  --ink:#0E1A2B;
  --text:#2C3A4E;
  --muted:#64748B;
  --line:#E2E8F2;
  --page:#F5F8FD;
  --card:#FFFFFF;
  --ok:#12A87A;
  --warn:#F0B429;
  --err:#E5484D;
  --r-card:18px;
  --r-lg:24px;
  --r-xl:28px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --s1:0 1px 2px rgba(14,26,43,.04), 0 8px 24px rgba(14,26,43,.06);
  --s2:0 12px 32px rgba(29,91,216,.16);
  --dock-shadow:0 8px 30px rgba(14,26,43,.10);
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --gutter:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;border-radius:var(--r-img);display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:0}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:15px;line-height:1.4;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px;margin:0 auto}
.section{padding:96px 0}
.section.section-tight{padding:64px 0 96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px}
.eyebrow{
  font-family:var(--font-num);
  font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:600;
  color:var(--brand);display:inline-block;margin-bottom:14px;
}
.muted{color:var(--muted)}
.textlink{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.textlink i{font-size:12px;transition:transform .2s ease}
.textlink:hover i{transform:translateX(3px)}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  max-width:1180px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--dock-shadow);
  transition:background-color .25s ease, box-shadow .25s ease;
}
.dock-wrap.is-stuck .dock{background:rgba(255,255,255,.98)}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1D5BD8,#4A82E8);
  color:#fff;font-family:var(--font-num);font-weight:800;font-size:17px;
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1}
.dock-links a{
  font-size:14.5px;font-weight:500;color:var(--text);
  padding:9px 14px;border-radius:999px;white-space:nowrap;
  transition:background-color .2s ease, color .2s ease;
}
.dock-links a:hover{background:var(--brand-mist);color:var(--brand)}
.dock-links a.is-active{color:var(--brand);font-weight:600;box-shadow:inset 0 -2px 0 var(--brand);border-radius:0}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto}
.dock-search{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease;
}
.dock-search:hover{border-color:var(--brand-light);color:var(--brand);box-shadow:var(--s2)}
.dock-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:50%;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.dock-toggle span{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;background:none;
}
.btn-primary{
  background:linear-gradient(135deg,#1D5BD8,#4A82E8);color:#fff;
  box-shadow:0 6px 18px rgba(29,91,216,.24);
}
.btn-primary:hover{
  background:linear-gradient(135deg,#1546AE,#1D5BD8);color:#fff;
  transform:translateY(-2px);box-shadow:var(--s2);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-light);color:var(--brand);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:7px 11px;border-radius:6px;background:var(--brand-mist);color:var(--brand-dark);
}
.badge-orange{background:var(--accent-mist);color:var(--accent-dark)}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--muted)}
.badge-list{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 面包屑 ---------- */
.crumb{padding:112px 0 0}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li::after{content:"/";color:#CBD5E1}
.crumb li:last-child::after{content:""}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}

/* ---------- 页面头部条 ---------- */
.pagehead{padding:28px 0 0}
.pagehead-inner{
  display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;
  background:linear-gradient(160deg,#EAF1FE 0%,#F5F8FD 78%);
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:52px 48px;
}
.pagehead h1{margin:18px 0 18px}
.pagehead .lede{font-size:17.5px;line-height:1.8;color:var(--text);max-width:620px}
.pagehead-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pagehead-fig{position:relative}
.pagehead-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--s1)}
.pagehead-fig .float-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.95);
  border:1px solid var(--line);border-radius:14px;padding:12px 16px;box-shadow:var(--s1);
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text);font-weight:500;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-mist)}

/* ---------- 步骤时间线 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:48px}
.steps::before{
  content:"";position:absolute;top:23px;left:34px;right:34px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-light) 45%,var(--line));z-index:0;
}
.step{position:relative;z-index:1}
.step-dot{
  width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--brand-light);
  color:var(--brand);font-family:var(--font-num);font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
  box-shadow:0 0 0 6px var(--page);
}
.step.is-current .step-dot{background:linear-gradient(135deg,#1D5BD8,#4A82E8);border-color:transparent;color:#fff}
.step h3{margin-bottom:10px;font-size:19px}
.step p{color:var(--muted);font-size:15px;line-height:1.75}
.step .step-note{display:inline-block;margin-top:14px;font-size:12px;font-family:var(--font-num);letter-spacing:.02em;color:var(--muted)}

/* ---------- 编号大列表 ---------- */
.numlist{display:grid;gap:16px}
.numitem{
  display:grid;grid-template-columns:96px 1fr auto;gap:26px;align-items:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--s1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.numitem:hover{transform:translateY(-2px);box-shadow:var(--s2);border-color:#CFDDF8}
.num{
  font-family:var(--font-num);font-size:38px;font-weight:800;line-height:1;
  color:#C3D6F9;letter-spacing:-.02em;
}
.numitem:hover .num{color:var(--brand-light)}
.numbody h3{margin-bottom:10px}
.numbody p{color:var(--muted);font-size:15px;line-height:1.75;max-width:66ch}
.numtag{align-self:start}

/* ---------- 数据条 ---------- */
.stats-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  background:var(--brand-mist);border-radius:var(--r-xl);padding:46px 44px;
}
.stat-num{font-family:var(--font-num);font-size:clamp(30px,3.4vw,42px);font-weight:800;color:var(--brand);line-height:1.1}
.stat-label{margin-top:10px;font-size:14px;color:var(--text)}
.stat-sub{margin-top:4px;font-size:12.5px;color:var(--muted)}

/* ---------- 场景卡 ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--s1);display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.mcard:hover{transform:translateY(-3px);box-shadow:var(--s2)}
.mcard-fig{overflow:hidden}
.mcard-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease}
.mcard:hover .mcard-fig img{transform:scale(1.03)}
.mcard-body{padding:22px 24px 24px}
.mcard-body h3{margin:14px 0 10px;font-size:19px}
.mcard-body p{color:var(--muted);font-size:14.5px;line-height:1.7}
.mcard-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.mcard-foot i{color:var(--brand);font-size:12px;transition:transform .2s ease}
.mcard:hover .mcard-foot i{transform:translateX(3px)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.faq-layout .faq-intro p{margin-top:16px;color:var(--muted);font-size:15.5px;line-height:1.8}
.faq-intro .badge-list{margin-top:24px}
ul.accordion.faq{background:transparent;border:0;margin:0}
ul.accordion.faq li.accordion-item{
  border:1px solid var(--line);border-radius:16px;background:#fff;
  margin-bottom:12px;box-shadow:var(--s1);overflow:hidden;
}
ul.accordion.faq li.accordion-item:last-child{margin-bottom:0}
ul.accordion.faq .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
  border:0;background:transparent;line-height:1.5;
}
ul.accordion.faq .accordion-title:hover{background:#F8FAFF;color:var(--brand)}
ul.accordion.faq .accordion-title::before{
  display:none;
}
ul.accordion.faq .accordion-title::after{
  content:"+";font-family:var(--font-num);font-size:20px;font-weight:600;color:var(--brand);
  transition:transform .2s ease;line-height:1;margin-left:auto;order:2;
}
ul.accordion.faq .accordion-item.is-active .accordion-title{color:var(--brand);box-shadow:inset 4px 0 0 var(--brand)}
ul.accordion.faq .accordion-item.is-active .accordion-title::after{content:"+";transform:rotate(45deg)}
ul.accordion.faq .accordion-content{padding:0 24px 22px;border:0;background:transparent;color:var(--muted);font-size:15px;line-height:1.8}
ul.accordion.faq .accordion-content p{margin:0}

/* ---------- CTA ---------- */
.cta{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:60px 56px;color:#fff;
  display:grid;grid-template-columns:1.35fr .9fr;gap:36px;align-items:center;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(14,26,43,.78), rgba(29,91,216,.32));
}
.cta > *{position:relative;z-index:1}
.cta h2{color:#fff}
.cta p{margin-top:16px;color:rgba(255,255,255,.86);font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end}
.cta .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff}

/* ---------- 页脚 ---------- */
.footer{
  background:var(--ink);color:#fff;border-radius:28px 28px 0 0;
  margin-top:104px;padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:52px}
.footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.8;margin:0}
.footer ul li{margin-bottom:12px}
.footer ul a{color:rgba(255,255,255,.72);font-size:14px}
.footer ul a:hover{color:var(--brand-light)}
.f-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.f-form label{display:block;font-size:13px;color:rgba(255,255,255,.8);margin-bottom:8px}
.f-form input{
  width:100%;height:48px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:14px;margin-bottom:12px;
}
.f-form input::placeholder{color:rgba(255,255,255,.42)}
.f-form input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(74,130,232,.28)}
.f-form .btn{width:100%;background:#fff;color:var(--ink)}
.f-form .btn:hover{background:var(--brand-light);color:#fff;transform:translateY(-2px)}
.f-hint{display:block;font-size:12px;color:rgba(255,255,255,.5);margin-top:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .section{padding:88px 0}
}
@media (max-width:1023px){
  .dock-toggle{display:flex}
  .dock{gap:12px}
  .dock-links{
    position:fixed;top:84px;left:16px;right:16px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--dock-shadow);padding:12px;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    display:none;
  }
  .dock-links.is-open{display:flex}
  .dock-links a{height:52px;display:flex;align-items:center;padding:0 16px;border-radius:14px;font-size:15px}
  .dock-links a.is-active{box-shadow:inset 4px 0 0 var(--brand);border-radius:12px;background:var(--brand-mist)}
  .pagehead-inner{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .pagehead-fig{order:-1}
  .steps{grid-template-columns:repeat(2,1fr);gap:34px 24px}
  .steps::before{display:none}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .cards3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta{grid-template-columns:1fr;padding:48px 36px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:64px 0}
  .crumb{padding-top:100px}
  .pagehead-inner{padding:32px 22px}
  .pagehead .lede{font-size:16px}
  .stats-band{grid-template-columns:1fr 1fr;gap:24px;padding:34px 24px}
  .numitem{grid-template-columns:1fr;gap:14px;padding:24px 22px}
  .num{align-self:flex-start}
  .cards3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer{padding-top:56px}
  .cta{padding:36px 24px}
  ul.accordion.faq .accordion-title{padding:18px 20px;font-size:15.5px}
  ul.accordion.faq .accordion-content{padding:0 20px 20px}
}
@media (max-width:640px){
  .dock-actions .btn{display:none}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start}
  .step-dot{margin-bottom:0}
  .step-body{margin-top:0}
  .pagehead-fig .float-tag{left:12px;bottom:12px;padding:10px 12px;font-size:12px}
}
@media (max-width:520px){
  .dock{height:56px;padding:0 10px 0 14px}
  .logo-text{font-size:14.5px}
  .stats-band{grid-template-columns:1fr;gap:22px}
  h1{font-size:28px}
}

/* roulang page: category3 */
:root{
  --brand:#1D5BD8;
  --brand-hover:#1546AE;
  --brand-light:#4A82E8;
  --brand-mist:#EAF1FE;
  --accent:#FF7A2F;
  --accent-deep:#E0621A;
  --accent-mist:#FFF1E8;
  --ink:#0E1A2B;
  --text:#2C3A4E;
  --muted:#64748B;
  --line:#E2E8F2;
  --bg:#F5F8FD;
  --card:#FFFFFF;
  --ok:#12A87A;
  --warn:#F0B429;
  --err:#E5484D;
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:Inter,"Helvetica Neue",Arial,sans-serif;
  --r-card:18px;
  --r-big:26px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --s1:0 1px 2px rgba(14,26,43,.04),0 8px 24px rgba(14,26,43,.06);
  --s2:0 12px 32px rgba(29,91,216,.16);
  --s-dock:0 8px 30px rgba(14,26,43,.10);
  --sec-y:96px;
  --gutter:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-hover)}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn:focus-visible{box-shadow:0 0 0 2px #fff,0 0 0 4px var(--brand)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.grid-x{margin-left:calc(-1 * var(--gutter) / 2);margin-right:calc(-1 * var(--gutter) / 2)}
.grid-x>.cell{padding-left:calc(var(--gutter) / 2);padding-right:calc(var(--gutter) / 2)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;
  transition:top .25s ease;
}
.dock{
  width:100%;max-width:1180px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--s-dock);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.dock-wrap.is-stuck .dock{background:rgba(255,255,255,.98);box-shadow:0 10px 34px rgba(14,26,43,.14)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;font-family:var(--font-num);font-weight:800;font-size:16px;
  line-height:1;
}
.logo-text{font-size:16px;font-weight:700;color:var(--ink);white-space:nowrap}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.dock-links a{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;
}
.dock-links a:hover{background:var(--brand-mist);color:var(--brand)}
.dock-links a.is-active{color:var(--brand);font-weight:600}
.dock-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--text);
  transition:all .2s ease;
}
.dock-search:hover{color:var(--brand);border-color:var(--brand-light);background:var(--brand-mist)}
.dock-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:14px;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;box-shadow:var(--s1);
}
.btn-primary:hover{background:linear-gradient(135deg,var(--brand-hover),var(--brand));color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-light);color:var(--brand);background:var(--brand-mist);transform:translateY(-2px)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);height:44px;
}
.btn-text:hover{color:var(--brand-hover)}
.btn-text svg{transition:transform .2s ease}
.btn-text:hover svg{transform:translateX(3px)}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:600;line-height:1;letter-spacing:0;
}
.badge-blue{background:var(--brand-mist);color:var(--brand-hover)}
.badge-orange{background:var(--accent-mist);color:var(--accent-deep)}
.badge-green{background:#E6F7F1;color:#0C7D5B}
.badge-ghost{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.32)}

/* ============ 页头 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink);padding:158px 0 78px}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center 30%;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(14,26,43,.78),rgba(29,91,216,.32));
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff}
.crumbs span{color:rgba(255,255,255,.45)}
.page-hero h1{
  color:#fff;
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.15;font-weight:800;
  max-width:900px;margin:18px 0 18px;
}
.page-hero .lead{
  max-width:760px;color:rgba(255,255,255,.88);
  font-size:18px;line-height:1.7;font-weight:400;
}
.hero-marks{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-mark{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13px;font-weight:500;
}
.hero-mark .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0}
.section-plain{background:var(--bg)}
.section-white{background:#fff}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.section-head .sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;line-height:1.75}
.eyebrow{
  display:block;font-size:12px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--brand);margin-bottom:12px;
  font-family:var(--font-num);
}

/* ============ 筛选 chips ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.chip{
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--brand-light);color:var(--brand);background:var(--brand-mist)}
.chip.is-active{
  background:linear-gradient(135deg,var(--brand),var(--brand-light));
  color:#fff;border-color:transparent;box-shadow:var(--s1);
}

/* ============ 卡片矩阵 ============ */
.tcard{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:#D6E3FA}
.tcard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-mist)}
.tcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.tcard:hover .tcard-media img{transform:scale(1.03)}
.tcard-media .badge{position:absolute;top:14px;left:14px}
.tcard-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.tcard-body h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:10px}
.tcard-body p{color:var(--muted);font-size:14px;line-height:1.75;margin-bottom:20px}
.tcard-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.tcard-foot .go{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);font-size:14px}
.tcard:hover .tcard-foot .go svg{transform:translateX(3px)}
.tcard-foot .go svg{transition:transform .2s ease}

/* ============ 分页占位 ============ */
.pager{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:56px;flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 14px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:14px;font-weight:500;
}
.pager a:hover{border-color:var(--brand-light);color:var(--brand);background:var(--brand-mist)}
.pager .is-current{background:linear-gradient(135deg,var(--brand),var(--brand-light));color:#fff;border-color:transparent;font-weight:600}
.pager .is-disabled{color:#A8B4C6;background:#F8FAFD;cursor:not-allowed}
.pager .is-disabled:hover{border-color:var(--line);color:#A8B4C6;background:#F8FAFD}
.pager .gap{border:none;background:transparent;min-width:20px;color:#A8B4C6}

/* ============ 关注区（5:7 非对称） ============ */
.focus-card{
  height:100%;border-radius:var(--r-big);padding:34px;
  background:var(--brand-mist);border:1px solid #D6E3FA;
}
.focus-card h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:16px}
.focus-card p{color:var(--text);font-size:15px;line-height:1.85;margin-bottom:22px}
.focus-list{display:flex;flex-direction:column;gap:14px}
.focus-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--s1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.focus-item:hover{transform:translateY(-3px);box-shadow:var(--s2)}
.focus-date{
  flex:0 0 auto;width:64px;text-align:center;
  border-right:1px solid var(--line);padding-right:16px;
}
.focus-date .d{display:block;font-family:var(--font-num);font-size:22px;font-weight:800;color:var(--brand);line-height:1.1}
.focus-date .m{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.focus-item h3{font-size:17px;font-weight:600;margin-bottom:6px}
.focus-item p{font-size:14px;color:var(--muted);line-height:1.7}

/* ============ 数据条 ============ */
.stats-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:64px 0}
.stat{text-align:left;padding:8px 4px}
.stat .v{font-family:var(--font-num);font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.01em}
.stat .v em{font-style:normal;font-size:18px;font-weight:600;color:var(--brand-light);margin-left:2px}
.stat .k{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.6}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{border-color:#D6E3FA}
.faq-item.is-open{box-shadow:var(--s1);border-color:#D6E3FA}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:none;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-mist);color:var(--brand);
  font-family:var(--font-num);font-size:16px;font-weight:600;line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand);color:#fff;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 22px 22px;color:var(--text);font-size:15px;line-height:1.85}

/* ============ CTA ============ */
.cta-band{padding:0 0 var(--sec-y)}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-big);
  padding:56px 52px;background:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-inner .bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,26,43,.82),rgba(29,91,216,.36));
}
.cta-copy{position:relative;z-index:2;max-width:600px}
.cta-copy h2{color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.3;margin-bottom:14px}
.cta-copy p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.75}
.cta-btns{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{
  background:var(--ink);color:#fff;
  border-radius:28px 28px 0 0;
  padding:72px 0 0;margin-top:0;
}
.footer .container{max-width:1200px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:44px;padding-bottom:52px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.f-brand span:last-child{font-size:17px;font-weight:700;color:#fff}
.footer p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.85}
.footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer ul{display:flex;flex-direction:column;gap:12px}
.footer ul a{color:rgba(255,255,255,.72);font-size:14px}
.footer ul a:hover{color:var(--brand-light)}
.f-form{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.f-form label{font-size:13px;color:rgba(255,255,255,.7)}
.f-form input{
  height:48px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.f-form input::placeholder{color:rgba(255,255,255,.42)}
.f-form input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(74,130,232,.28)}
.f-form .btn{height:48px;background:linear-gradient(135deg,var(--brand),var(--brand-light));color:#fff;border:none;font-weight:600}
.f-form .btn:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--s2)}
.f-hint{font-size:12px;color:rgba(255,255,255,.5);line-height:1.6}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec-y:88px}
}
@media (max-width:1023px){
  :root{--sec-y:76px;--gutter:20px}
  .dock-links{display:none}
  .dock-toggle{display:flex}
  .dock{height:58px;padding:0 10px 0 14px}
  .dock-actions .btn-sm{display:none}
  .dock-links.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:fixed;left:16px;right:16px;top:86px;
    background:#fff;border:1px solid var(--line);border-radius:22px;
    padding:12px;box-shadow:var(--s-dock);max-height:calc(100vh - 110px);overflow-y:auto;
  }
  .dock-links.is-open a{
    height:52px;display:flex;align-items:center;
    border-radius:14px;padding:0 16px;font-size:16px;
  }
  .dock-links.is-open a.is-active{background:var(--brand-mist);position:relative;padding-left:22px}
  .dock-links.is-open a.is-active::after{
    left:10px;top:14px;bottom:14px;width:3px;height:auto;transform:none;
    border-radius:3px;background:var(--brand);
  }
  .page-hero{padding:132px 0 64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-inner{padding:44px 32px}
}
@media (max-width:639px){
  :root{--sec-y:60px;--gutter:16px}
  body{font-size:15.5px}
  .logo-text{font-size:15px}
  .page-hero{padding:120px 0 54px}
  .page-hero .lead{font-size:16px}
  .section-head{margin-bottom:30px}
  .tcard-body{padding:18px}
  .tcard-body h3{font-size:18px}
  .focus-card{padding:24px}
  .focus-item{flex-direction:column;gap:12px;padding:18px}
  .focus-date{width:auto;border-right:none;border-bottom:1px solid var(--line);padding:0 0 10px;display:flex;align-items:baseline;gap:8px}
  .focus-date .d{font-size:19px}
  .focus-date .m{margin-top:0}
  .stats-band{padding:46px 0}
  .cta-inner{padding:32px 22px;border-radius:22px}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1 1 auto}
  .footer{padding:52px 0 0}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 12px}
}

/* roulang page: category4 */
:root{
  --brand:#1D5BD8;
  --brand-dark:#1546AE;
  --brand-light:#4A82E8;
  --brand-mist:#EAF1FE;
  --accent:#FF7A2F;
  --accent-dark:#E0621A;
  --accent-mist:#FFF1E8;
  --ink:#0E1A2B;
  --text:#2C3A4E;
  --muted:#64748B;
  --line:#E2E8F2;
  --page:#F5F8FD;
  --card:#FFFFFF;
  --ok:#12A87A;
  --warn:#F0B429;
  --err:#E5484D;
  --r-card:18px;
  --r-big:26px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;
  --s1:0 1px 2px rgba(14,26,43,.04), 0 8px 24px rgba(14,26,43,.06);
  --s2:0 12px 32px rgba(29,91,216,.16);
  --s-dock:0 8px 30px rgba(14,26,43,.10);
  --font-cn:-apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num:Inter, "Helvetica Neue", Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px;}
.reading{max-width:820px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:14px;
  z-index:80;
  padding:0 16px;
}
.dock{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--s-dock);
  transition:background .25s ease, box-shadow .25s ease;
}
.dock-wrap.is-stuck .dock{background:#fff;box-shadow:0 10px 34px rgba(14,26,43,.14);}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1D5BD8,#4A82E8);
  color:#fff;font-family:var(--font-num);font-weight:800;font-size:16px;
  flex:0 0 auto;
}
.logo-text{font-weight:700;font-size:16px;color:var(--ink);white-space:nowrap;}
.dock-links{display:flex;align-items:center;gap:4px;margin-left:6px;}
.dock-links a{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;
  border-radius:999px;
  font-size:15px;color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.dock-links a:hover{background:var(--brand-mist);color:var(--brand);}
.dock-links a.is-active{color:var(--brand);font-weight:600;background:var(--brand-mist);}
.dock-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  border-radius:2px;background:var(--brand);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.dock-search{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.dock-search:hover{border-color:var(--brand-light);color:var(--brand);transform:translateY(-1px);}
.dock-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  background:linear-gradient(135deg,#1D5BD8,#4A82E8);
  color:#fff;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{background:linear-gradient(135deg,#1546AE,#1D5BD8);transform:translateY(-2px);box-shadow:var(--s2);color:#fff;}
.btn:active{transform:translateY(0);box-shadow:none;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-ghost{
  background:transparent;color:var(--brand);border:1px solid rgba(29,91,216,.35);
}
.btn-ghost:hover{background:var(--brand-mist);color:var(--brand-dark);box-shadow:none;}
.btn-line{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);
}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;box-shadow:none;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{color:var(--brand-dark);border-color:var(--brand-dark);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;
  border-radius:6px;
  font-size:12px;font-weight:600;line-height:1;
}
.badge-blue{background:var(--brand-mist);color:var(--brand-dark);}
.badge-orange{background:var(--accent-mist);color:var(--accent-dark);}
.badge-soft{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.35);}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 6px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#B9C4D6;}
.crumbs a:hover{color:var(--brand);}
.crumbs .now{color:var(--ink);font-weight:600;}

/* ---------- 页面头部条 ---------- */
.page-hero{margin-top:16px;}
.page-hero-inner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-big);
  padding:56px 56px 52px;
  background-image:
    linear-gradient(100deg, rgba(14,26,43,.78), rgba(29,91,216,.32)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  box-shadow:var(--s1);
}
.page-hero h1{
  color:#fff;
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.15;
  font-weight:800;
  margin:18px 0 14px;
  max-width:760px;
}
.page-hero p{
  font-size:18px;line-height:1.75;color:rgba(255,255,255,.88);
  max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0 0;}
.section-tight{padding:64px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;}
.section-head p{margin-top:10px;font-size:15.5px;color:var(--muted);max-width:620px;}

/* ---------- 指标条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:28px;
}
.metric{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--s1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--s2);}
.metric .num{
  font-family:var(--font-num);
  font-size:clamp(34px,3.6vw,44px);
  font-weight:800;line-height:1.1;color:var(--brand);
  display:block;
}
.metric .num em{font-style:normal;font-size:20px;font-weight:700;margin-left:4px;color:var(--accent);}
.metric h3{font-size:17px;font-weight:600;margin:12px 0 6px;}
.metric p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 图文节奏 ---------- */
.rhythm{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center;margin-top:8px;}
.rhythm h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;margin-bottom:16px;}
.rhythm .lead{font-size:16.5px;color:var(--text);line-height:1.85;margin-bottom:22px;}
.rhythm-list li{
  display:flex;gap:14px;padding:16px 0;
  border-top:1px solid var(--line);
}
.rhythm-list li:last-child{border-bottom:1px solid var(--line);}
.rhythm-list .idx{
  flex:0 0 auto;width:30px;height:30px;border-radius:9px;
  background:var(--brand-mist);color:var(--brand-dark);
  font-family:var(--font-num);font-weight:700;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
}
.rhythm-list h3{font-size:16.5px;font-weight:600;margin-bottom:4px;}
.rhythm-list p{font-size:14.5px;color:var(--muted);line-height:1.7;}
.rhythm-figure{
  overflow:hidden;border-radius:var(--r-big);
  box-shadow:var(--s1);
  border:1px solid var(--line);
  background:#fff;
}
.rhythm-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.rhythm-figure figcaption{font-size:13px;color:var(--muted);padding:14px 20px;}

/* ---------- FAQ + 联系卡 ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--s1);
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--s2);}
.faq-q{
  position:relative;
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px 20px 26px;
  text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  border-radius:0 4px 4px 0;background:var(--brand);opacity:0;
  transition:opacity .2s ease;
}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:15px;font-weight:600;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{
  padding:0 26px 22px 26px;
  font-size:15px;color:var(--text);line-height:1.85;
}

.contact-card{
  position:sticky;top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--s1);
  padding:26px 24px;
}
.contact-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.contact-card>p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;color:var(--text);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(29,91,216,.16);
}
.field .err{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.field.is-error input{border-color:var(--err);}
.field.is-error .err{display:block;}
.contact-card .btn{width:100%;}
.form-hint{display:block;font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7;}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:12px;
  background:rgba(18,168,122,.1);color:#0C7C59;font-size:13.5px;
}
.form-ok.is-show{display:block;}
.contact-meta{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.contact-meta li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);padding:6px 0;line-height:1.7;}
.contact-meta i{color:var(--brand);margin-top:5px;font-size:13px;}

/* ---------- CTA ---------- */
.cta-band{margin-top:96px;}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:28px;
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background-image:
    linear-gradient(100deg, rgba(14,26,43,.80), rgba(29,91,216,.38)),
    url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  color:#fff;
  box-shadow:var(--s1);
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.86);font-size:16px;max-width:620px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:96px;
  background:var(--ink);
  color:rgba(255,255,255,.78);
  border-radius:28px 28px 0 0;
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:40px;}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px;}
.footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);}
.footer h3{color:#fff;font-size:15.5px;font-weight:600;margin-bottom:16px;}
.footer ul li{margin-bottom:10px;}
.footer ul a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease;}
.footer ul a:hover{color:var(--brand-light);}
.f-form{margin-top:4px;}
.f-form label{display:block;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:8px;}
.f-form input{
  width:100%;height:48px;padding:0 14px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.f-form input::placeholder{color:rgba(255,255,255,.45);}
.f-form input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(74,130,232,.25);}
.f-form .btn{width:100%;margin-top:12px;height:48px;}
.f-hint{display:block;font-size:13px;color:rgba(255,255,255,.55);margin-top:10px;line-height:1.7;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .section{padding-top:84px;}
  .cta-band{margin-top:84px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .dock-toggle{display:inline-flex;}
  .dock-links{
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:14px;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--s-dock);
  }
  .dock-links.is-open{display:flex;}
  .dock-links a{height:52px;padding:0 18px;border-radius:16px;font-size:16px;justify-content:flex-start;}
  .dock-links a.is-active{box-shadow:inset 4px 0 0 var(--brand);background:var(--brand-mist);}
  .dock-links a.is-active::after{display:none;}
  .dock-actions .btn{display:none;}
  .page-hero-inner{padding:44px 32px 40px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rhythm{grid-template-columns:minmax(0,1fr);gap:28px;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .contact-card{position:static;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  .dock{height:56px;padding:0 10px 0 14px;gap:10px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:14px;}
  .logo-text{font-size:15px;}
  .dock-search{width:44px;height:44px;}
  .section{padding-top:64px;}
  .section-tight{padding-top:48px;}
  .crumbs{padding:16px 0 0;}
  .page-hero-inner{padding:34px 22px 32px;border-radius:22px;}
  .page-hero p{font-size:16px;}
  .hero-tags{gap:8px;margin-top:20px;}
  .metrics{grid-template-columns:minmax(0,1fr);gap:16px;}
  .metric{padding:22px 20px;}
  .faq-q{font-size:15.5px;padding:18px 18px 18px 22px;}
  .faq-a p{padding:0 22px 20px 22px;}
  .contact-card{padding:22px 18px;}
  .cta-band{margin-top:64px;}
  .cta-inner{padding:32px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer{margin-top:64px;padding:48px 0 24px;border-radius:22px 22px 0 0;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;}
}