/* roulang page: index */
:root{
  --brand-600:#1F5AD6;
  --brand-500:#2E6BE6;
  --brand-050:#EDF3FE;
  --brand-100:#DBE7FC;
  --teal-500:#0FA98F;
  --teal-050:#E6F7F3;
  --amber-500:#F2882B;
  --ink-900:#101B33;
  --ink-600:#46566F;
  --ink-400:#8394AB;
  --line:#E2E9F3;
  --page:#F6F9FD;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 2px 8px rgba(16,42,84,.06),0 12px 32px rgba(16,42,84,.07);
  --shadow-hover:0 6px 16px rgba(16,42,84,.10),0 20px 44px rgba(16,42,84,.10);
  --shadow-dock:0 8px 28px rgba(16,42,84,.10);
  --shadow-form:0 6px 18px rgba(16,42,84,.10),0 24px 56px rgba(16,42,84,.10);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--page);
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out}
a:hover{color:var(--brand-500)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
:focus-visible{outline:3px solid rgba(31,90,214,.30);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--white{background:#fff}
.section--page{background:var(--page)}
.sec-head{margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;letter-spacing:.2px}
.sec-head .sec-sub{margin-top:10px;font-size:14px;color:var(--ink-400);line-height:1.7}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{text-decoration:underline}

/* 按钮 */
.base-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-main{background:var(--brand-600);color:#fff;border-color:var(--brand-600);box-shadow:0 6px 16px rgba(31,90,214,.22)}
.btn-main:hover{background:#1a4cbb;color:#fff;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-line{background:#fff;color:var(--brand-600);border-color:var(--brand-100)}
.btn-line:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-600)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;border-radius:10px}
.btn-block{width:100%}

/* Dock */
.dock-wrap{position:sticky;top:16px;z-index:1040;padding:16px 16px 0}
.dock{
  width:min(1160px,92vw);margin:0 auto;display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(226,233,243,.9);
  border-radius:var(--radius-pill);
  padding:10px 10px 10px 20px;
  box-shadow:var(--shadow-dock);
  transition:background-color .25s ease-out,box-shadow .25s ease-out;
}
.dock.is-scrolled{background:rgba(255,255,255,.98);box-shadow:0 6px 20px rgba(16,42,84,.09)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  position:relative;box-shadow:0 6px 14px rgba(31,90,214,.28);
}
.brand-mark::before{content:"";position:absolute;inset:9px 10px 9px 11px;border-radius:3px 8px 8px 3px;background:#fff;opacity:.92}
.brand-mark::after{content:"";position:absolute;right:8px;top:50%;width:8px;height:2px;background:var(--amber-500);border-radius:2px;transform:translateY(-50%)}
.brand-text{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.4px;white-space:nowrap}
.brand-text:hover{color:var(--brand-600)}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1}
.dock-nav a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;color:var(--ink-600);white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.dock-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.dock-nav a.active{color:var(--brand-600);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;width:22px;height:3px;border-radius:3px;
  background:var(--brand-600);transform:translateX(-50%);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-600);
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.icon-btn:hover{background:var(--brand-050);color:var(--brand-600);border-color:var(--brand-100)}
.burger{display:none}
.dock-search{
  display:none;width:min(1160px,92vw);margin:10px auto 0;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-card);padding:12px;
}
.dock-search.open{display:block}
.dock-search form{display:flex;gap:10px}
.dock-search input{
  flex:1;height:46px;border-radius:var(--radius-btn);border:1px solid var(--line);
  padding:0 14px;background:var(--page);font-size:15px;
}
.dock-search input:focus{outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(31,90,214,.14)}
.dock-drawer{
  width:min(1160px,92vw);margin:10px auto 0;background:#fff;border:1px solid var(--line);
  border-radius:20px;box-shadow:var(--shadow-dock);padding:14px;
}
.dock-drawer ul{display:flex;flex-direction:column}
.dock-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:12px;font-size:15.5px;font-weight:500;color:var(--ink-600);
}
.dock-drawer a.drawer-link:hover,.dock-drawer a.drawer-link.active{background:var(--brand-050);color:var(--brand-600)}
.dock-drawer .base-btn{margin-top:12px}

/* Hero */
.hero{padding:64px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:0 24px;max-width:var(--wrap);margin:0 auto}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:var(--teal-050);color:#0B7A69;font-size:13px;font-weight:600;letter-spacing:.4px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--teal-500)}
.hero h1{margin-top:20px;font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:.2px}
.hero .hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-600);max-width:34em}
.hero-btns{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:32px;margin-top:38px;flex-wrap:wrap}
.hero-metrics .metric{display:flex;align-items:center;gap:10px}
.hero-metrics .m-dot{width:8px;height:8px;border-radius:50%;background:var(--teal-500);flex-shrink:0}
.hero-metrics .m-num{font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--ink-900)}
.hero-metrics .m-label{font-size:13px;color:var(--ink-400)}
.hero-figure{position:relative}
.hero-figure .hero-img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;
  box-shadow:var(--shadow-card);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  background:linear-gradient(150deg,rgba(31,90,214,.16),rgba(15,169,143,.08) 60%,rgba(255,255,255,0));
}
.hero-float{
  position:absolute;right:18px;bottom:18px;z-index:2;background:#fff;border-radius:14px;
  box-shadow:0 10px 30px rgba(16,42,84,.16);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-float .badge-teal{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);background:var(--teal-050);
  color:#0B7A69;font-size:12px;font-weight:600;
}
.hero-float span.f-text{font-size:13.5px;color:var(--ink-600)}

/* 倒计时条 */
.countbar{background:var(--brand-050);padding:14px 0}
.countbar-inner{display:flex;align-items:center;gap:20px;flex-wrap:nowrap}
.countbar-title{font-size:14px;font-weight:600;color:var(--brand-600);position:relative;padding-left:14px;white-space:nowrap}
.countbar-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:18px;border-radius:3px;background:var(--brand-600)}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto}
.cd-block{
  min-width:44px;height:40px;border-radius:8px;background:#fff;color:var(--amber-500);
  font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(16,42,84,.06);
}
.cd-sep{color:var(--brand-600);font-weight:700;font-size:18px}
.countbar .pill-cta{
  height:34px;padding:0 16px;border-radius:var(--radius-pill);background:var(--brand-600);color:#fff;
  font-size:13px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap;
}
.countbar .pill-cta:hover{background:#1a4cbb;color:#fff}

/* 卖点 2+1 */
.value-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.value-list{display:flex;flex-direction:column;gap:16px}
.value-item{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.value-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.v-icon{
  width:48px;height:48px;border-radius:14px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
}
.v-icon.blue{background:var(--brand-050);color:var(--brand-600)}
.v-icon.teal{background:var(--teal-050);color:var(--teal-500)}
.value-item h3{font-size:19px;font-weight:600;line-height:1.4}
.value-item p{margin-top:8px;font-size:15px;color:var(--ink-600);line-height:1.75}
.value-big{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:32px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.value-big:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.value-big .big-num{font-size:56px;line-height:1;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums}
.value-big .big-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--ink-900)}
.value-big p{margin-top:12px;font-size:15px;color:var(--ink-600)}
.value-big .deco-line{
  position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border-radius:50%;
  border:18px solid var(--brand-050);
}
.value-big .deco-bar{margin-top:22px;height:8px;border-radius:99px;background:var(--brand-050);overflow:hidden;position:relative;z-index:1}
.value-big .deco-bar i{display:block;height:100%;width:72%;border-radius:99px;background:linear-gradient(90deg,var(--brand-600),var(--teal-500))}

/* 图墙 */
.wall{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:186px;gap:16px}
.wall-item{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-card);background:#fff}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.wall-item:hover img{transform:scale(1.03)}
.wall-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,27,51,0) 42%,rgba(16,27,51,.72));transition:opacity .25s ease-out}
.wall-item .w-cap{position:absolute;left:16px;bottom:14px;right:16px;z-index:2;color:#fff}
.wall-item .w-cap .w-label{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);background:rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);font-size:12px;font-weight:600;letter-spacing:.4px;
}
.wall-item .w-cap h3{margin-top:8px;font-size:16px;font-weight:600;line-height:1.4;transition:transform .25s ease-out}
.wall-item:hover .w-cap h3{transform:translateY(-2px)}
.wall-item .w-badge{
  position:absolute;top:14px;right:14px;z-index:2;padding:3px 10px;border-radius:var(--radius-pill);
  background:var(--amber-500);color:#fff;font-size:12px;font-weight:600;
}
.wall-item.wide{grid-column:span 2}
.wall-item.tall{grid-row:span 2}

/* CTA 表单 */
.cta-band{
  background:var(--brand-050);
  background-image:linear-gradient(rgba(31,90,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,214,.05) 1px,transparent 1px);
  background-size:32px 32px;
  border-radius:28px;padding:56px;position:relative;overflow:hidden;
}
.cta-grid{display:grid;grid-template-columns:1fr .85fr;gap:48px;align-items:center;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700}
.cta-copy .cta-desc{margin-top:14px;font-size:16px;color:var(--ink-600);max-width:30em}
.cta-checks{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.cta-checks li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--ink-600)}
.cta-checks .ck{
  width:20px;height:20px;border-radius:50%;background:var(--teal-050);color:var(--teal-500);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;font-size:12px;font-weight:700;
}
.form-card{background:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow-form)}
.form-card h3{font-size:19px;font-weight:600}
.form-card .form-note{margin-top:6px;font-size:13px;color:var(--ink-400)}
.field{margin-top:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-600);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--radius-btn);border:1px solid var(--line);
  padding:0 14px;background:var(--page);font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(31,90,214,.14);
}
.form-card .base-btn{margin-top:20px}
.form-tip{margin-top:12px;font-size:12.5px;color:var(--ink-400);line-height:1.7}

/* 资讯卡片 */
.post-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.post-thumb{display:block;border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:var(--brand-050)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding-top:12px;display:flex;flex-direction:column;flex:1}
.badge-cat{
  align-self:flex-start;padding:3px 10px;border-radius:var(--radius-pill);
  background:var(--teal-050);color:#0B7A69;font-size:12px;font-weight:600;letter-spacing:.3px;
}
.post-body h3{margin-top:10px;font-size:17px;font-weight:600;line-height:1.45;transition:color .2s ease-out;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-body h3{color:var(--brand-600)}
.post-body .excerpt{
  margin-top:8px;font-size:14.5px;color:var(--ink-600);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.post-foot .time{font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums}
.post-foot .more{font-size:13.5px;font-weight:600;color:var(--brand-600)}
.post-card:hover .post-foot .more{text-decoration:underline}
.list-more{display:flex;justify-content:center;margin-top:40px}
.empty-state{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);padding:48px 32px;text-align:center;
}
.empty-shape{width:60px;height:60px;border-radius:18px;background:var(--brand-050);position:relative}
.empty-shape::after{content:"";position:absolute;left:50%;top:50%;width:22px;height:22px;border-radius:50%;background:var(--brand-100);transform:translate(-50%,-50%)}
.empty-state p{font-size:15px;color:var(--ink-400)}

/* FAQ */
.faq-acc .accordion-item{
  border:0;border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:0 2px 8px rgba(16,42,84,.05);
}
.faq-acc .accordion-button{
  position:relative;background:#fff;font-size:16px;font-weight:600;color:var(--ink-900);
  padding:20px 24px 20px 28px;border-radius:14px;box-shadow:none;line-height:1.5;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-600);background:#fff;box-shadow:none}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:10px;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--brand-600);
}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(31,90,214,.18);border-color:transparent}
.faq-acc .accordion-button::after{
  background-image:none;width:14px;height:14px;border-right:2px solid var(--ink-400);border-bottom:2px solid var(--ink-400);
  transform:rotate(45deg);transition:transform .25s ease-out;margin-top:-6px;
}
.faq-acc .accordion-button:not(.collapsed)::after{border-color:var(--brand-600);transform:rotate(-135deg);margin-top:2px}
.faq-acc .accordion-body{padding:0 28px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-600)}

/* 页脚 */
.footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr .9fr;gap:32px}
.footer .f-brand{display:flex;align-items:center;gap:10px}
.footer .f-brand .brand-text{color:#fff;font-size:17px;font-weight:700}
.footer .f-brand .brand-mark{box-shadow:none}
.footer .f-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:26em}
.footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.footer ul li{margin-bottom:10px}
.footer ul li a{font-size:14px;color:rgba(255,255,255,.68)}
.footer ul li a:hover{color:#fff}
.footer .f-contact{font-size:14px;color:rgba(255,255,255,.68);line-height:1.9}
.footer .to-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13.5px;font-weight:600;background:transparent;cursor:pointer;
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.footer .to-top:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.4)}
.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);
}

/* 响应式 */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:36px}
  .wall{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .dock{padding:8px 8px 8px 16px;gap:10px}
  .dock-nav{display:none}
  .burger{display:inline-flex}
  .hero{padding:48px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero .hero-sub{max-width:none}
  .value-grid{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:36px 24px;border-radius:22px}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .wall-item.tall{grid-row:span 1}
  .post-body .excerpt{-webkit-line-clamp:3}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .hero-grid{padding:0 20px}
  .countbar-title{font-size:12px;max-width:32vw;overflow:hidden;text-overflow:ellipsis}
  .cd-block{min-width:38px;height:36px;font-size:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .wall{grid-auto-rows:160px}
}
@media (max-width:575px){
  .section{padding:56px 0}
  .wrap{padding:0 16px}
  .hero-grid{padding:0 16px}
  .dock-wrap{padding:12px 12px 0}
  body{font-size:15.5px}
  .hero-btns .base-btn{flex:1}
  .hero-metrics{gap:20px}
  .hero-float{right:12px;bottom:12px;padding:10px 14px}
  .wall{grid-template-columns:1fr;grid-auto-rows:200px}
  .wall-item.wide{grid-column:span 1}
  .cta-band{padding:28px 18px}
  .form-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --brand-600:#1F5AD6;
  --brand-500:#2E6BE6;
  --brand-050:#EDF3FE;
  --brand-100:#DBE7FC;
  --teal-500:#0FA98F;
  --teal-050:#E6F7F3;
  --amber-500:#F2882B;
  --ink-900:#101B33;
  --ink-700:#2C3A55;
  --ink-600:#46566F;
  --ink-400:#8394AB;
  --line:#E2E9F3;
  --page:#F6F9FD;
  --surface:#FFFFFF;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,42,84,.06), 0 12px 32px rgba(16,42,84,.07);
  --sh-2:0 6px 16px rgba(16,42,84,.10), 0 20px 44px rgba(16,42,84,.10);
  --sh-dock:0 8px 28px rgba(16,42,84,.10);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(31,90,214,.30);outline-offset:2px;border-radius:10px;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:80;padding:0 16px;margin-bottom:6px;}
.dock{
  display:flex;align-items:center;gap:16px;
  width:min(1160px,92vw);margin:0 auto;
  padding:10px 10px 10px 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(226,233,243,.9);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled .dock{background:rgba(255,255,255,.985);box-shadow:0 6px 20px rgba(16,42,84,.12);}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand-500),var(--teal-500));
  box-shadow:0 4px 12px rgba(31,90,214,.28);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:10px;height:10px;border-radius:3px;
  background:#fff;transform:translate(-50%,-50%) rotate(45deg);opacity:.94;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.3px;color:var(--ink-900);}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.dock-nav a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-600);
  transition:background .2s ease,color .2s ease;
}
.dock-nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock-nav a.active{color:var(--brand-600);background:var(--brand-050);}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--brand-600);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-600);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.menu-btn span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-600);transition:transform .2s ease,opacity .2s ease;}
.dock-drawer{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 6px 16px rgba(31,90,214,.24);}
.btn-primary:hover{background:#1a4fc0;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,90,214,.28);}
.btn-outline{background:#fff;color:var(--brand-600);border-color:var(--brand-100);}
.btn-outline:hover{background:var(--brand-050);border-color:var(--brand-500);transform:translateY(-1px);}
.btn-teal{background:var(--teal-500);color:#fff;box-shadow:0 6px 16px rgba(15,169,143,.22);}
.btn-teal:hover{background:#0c8f7a;color:#fff;transform:translateY(-1px);}
.btn-cta{height:40px;padding:0 18px;font-size:14px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 面包屑与文章头部 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);padding:22px 0 0;}
.crumb a{color:var(--ink-600);transition:color .2s ease;}
.crumb a:hover{color:var(--brand-600);}
.crumb-sep{color:#B8C5D6;}
.crumb-cur{max-width:min(520px,60%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-400);}
.art-head{padding:18px 0 0;}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;}
.badge-cat{background:var(--teal-050);color:var(--teal-500);}
.badge-brand{background:var(--brand-050);color:var(--brand-600);}
.art-title{margin:14px 0 18px;font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:700;}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:14px 0 16px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums;
}
.meta-bar b{color:var(--ink-600);font-weight:600;}
.dot{width:4px;height:4px;border-radius:50%;background:#CFDAE8;}

/* ---------- 文章布局 ---------- */
.art-layout{
  display:grid;grid-template-columns:minmax(0,760px) 280px;gap:48px;
  justify-content:center;align-items:start;padding:36px 0 0;
}
.article-body{min-width:0;font-size:16px;line-height:1.85;color:var(--ink-700);}
.article-body h2{position:relative;font-size:clamp(20px,2.2vw,24px);line-height:1.4;margin:38px 0 16px;padding-left:16px;color:var(--ink-900);}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;width:6px;height:1em;border-radius:4px;background:var(--brand-600);}
.article-body h3{font-size:19px;line-height:1.5;margin:28px 0 12px;color:var(--ink-900);}
.article-body h4{font-size:17px;line-height:1.5;margin:22px 0 10px;color:var(--ink-900);}
.article-body p{margin:0 0 18px;}
.article-body strong{color:var(--ink-900);}
.article-body ul{margin:0 0 20px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--teal-500);}
.article-body ol{counter-reset:olist;margin:0 0 20px;}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:12px;counter-increment:olist;}
.article-body ol li::before{
  content:counter(olist);position:absolute;left:0;top:.22em;width:21px;height:21px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:700;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{margin:24px 0;padding:18px 22px;border-left:4px solid var(--brand-600);background:var(--brand-050);border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-600);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand-600);border-bottom:1px solid var(--brand-100);}
.article-body a:hover{border-color:var(--brand-600);}
.article-body img{border-radius:var(--r-img);margin:22px auto;max-width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-400);margin-top:8px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;font-size:15px;
}
.article-body th{background:var(--brand-050);color:var(--ink-900);text-align:left;font-weight:600;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tr:nth-child(even) td{background:var(--page);}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:44px 24px;text-align:center;
}
.empty-icon{position:relative;width:56px;height:56px;border-radius:16px;background:var(--brand-050);}
.empty-icon::after{content:"";position:absolute;inset:16px;border-radius:6px;border:2px solid var(--brand-500);opacity:.6;}
.empty-state h2{font-size:20px;padding:0;margin:0;}
.empty-state h2::before{display:none;}
.empty-state p{font-size:14.5px;color:var(--ink-600);max-width:420px;margin:0;}

/* ---------- 侧栏 ---------- */
.art-side{position:sticky;top:104px;display:grid;gap:16px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.side-card h3{font-size:16px;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--ink-900);}
.side-card h3::before{content:"";width:6px;height:16px;border-radius:3px;background:var(--brand-600);}
.side-links{display:grid;gap:6px;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--ink-600);transition:background .2s ease,color .2s ease;}
.side-links a:hover{background:var(--brand-050);color:var(--brand-600);}
.side-links span.arrow{color:var(--ink-400);font-size:13px;}
.side-list{display:grid;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-600);}
.tick{
  flex:0 0 auto;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--teal-050);color:var(--teal-500);
  font-size:11px;font-weight:700;display:grid;place-items:center;
}

/* ---------- 文末与相关推荐 ---------- */
.art-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.nav-pn{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;}
.nav-pn a{color:var(--ink-600);transition:color .2s ease;}
.nav-pn a:hover{color:var(--brand-600);text-decoration:underline;}
.section{padding:84px 0;}
.section-alt{background:#fff;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;}
.sec-sub{font-size:14px;color:var(--ink-400);margin-top:8px;}
.link-more{color:var(--brand-600);font-size:14px;font-weight:600;}
.link-more:hover{text-decoration:underline;}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card-cover{aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--brand-050);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.card:hover h3{color:var(--brand-600);}
.card p{font-size:14px;line-height:1.75;color:var(--ink-600);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-400);font-variant-numeric:tabular-nums;}

/* ---------- CTA 条 ---------- */
.cta-band{background:linear-gradient(135deg,var(--brand-050),#fff 62%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:48px 0;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);line-height:1.4;margin-bottom:10px;}
.cta-inner p{margin:0;font-size:15px;color:var(--ink-600);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1.3fr;gap:32px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer .brand-text{color:#fff;}
.f-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0;}
.footer h4{font-size:15px;font-weight:600;margin-bottom:14px;color:#fff;}
.footer ul{display:grid;gap:10px;}
.footer ul a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease;}
.footer ul a:hover{color:#7FD8C6;}
.f-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:0 0 14px;}
.to-top{
  height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;font-size:14px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.to-top:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42);}
.footer-bottom{
  margin-top:44px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .art-layout{grid-template-columns:minmax(0,1fr);max-width:820px;gap:36px;}
  .art-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;}
}
@media (max-width:1100px){
  .dock-nav a{padding:8px 10px;font-size:14px;}
  .dock{gap:10px;}
}
@media (max-width:991px){
  .dock-nav,.icon-btn{display:none;}
  .menu-btn{display:flex;}
  .dock{padding:10px 10px 10px 16px;}
  .dock-drawer{
    display:none;width:min(1160px,92vw);margin:10px auto 0;padding:12px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:20px;
    box-shadow:var(--sh-2);backdrop-filter:blur(10px);
  }
  .dock-drawer.open{display:block;}
  .dock-drawer a{display:flex;align-items:center;height:48px;padding:0 16px;border-radius:14px;font-size:15px;font-weight:500;color:var(--ink-600);}
  .dock-drawer a:hover{background:var(--brand-050);color:var(--brand-600);}
  .dock-drawer .btn{height:48px;margin-top:8px;color:#fff;}
  .dock-drawer .btn:hover{color:#fff;}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:72px 0;}
  .cta-inner{padding:40px 0;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .art-side{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .section{padding:56px 0;}
  .art-title{margin:12px 0 14px;}
}
@media (max-width:575px){
  body{font-size:15.5px;}
  .cards{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .crumb{padding-top:16px;}
  .crumb-cur{max-width:100%;white-space:normal;}
  .meta-bar{gap:8px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .art-foot{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand-600:#1F5AD6;
  --brand-500:#2E6BE6;
  --brand-100:#DBE7FC;
  --brand-050:#EDF3FE;
  --teal-500:#0FA98F;
  --teal-400:#46C7B0;
  --teal-050:#E6F7F3;
  --amber-500:#F2882B;
  --ink-900:#101B33;
  --ink-600:#46566F;
  --ink-400:#8394AB;
  --line:#E2E9F3;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-1:0 2px 8px rgba(16,42,84,.06), 0 12px 32px rgba(16,42,84,.07);
  --shadow-2:0 6px 16px rgba(16,42,84,.10), 0 20px 44px rgba(16,42,84,.10);
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,90,214,.30);border-radius:8px;}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1600px){.wrap{max-width:1280px;}}
@media (max-width:767px){.wrap{padding:0 16px;}}

/* ---------- 通用版块 ---------- */
.section{padding:96px 0;}
.section--tight{padding:40px 0 56px;}
.section--alt{background:#fff;}
.section--tint{background:var(--bg);}
@media (max-width:991px){.section{padding:72px 0;}.section--tight{padding:32px 0 44px;}}
@media (max-width:575px){.section{padding:56px 0;}.section--tight{padding:28px 0 36px;}}

.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;margin:0 0 12px;letter-spacing:-.2px;}
.sec-head p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ink-600);}
.sec-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.sec-head--row .txt{max-width:720px;}

/* ---------- 品牌标识 ---------- */
.brand-mark{
  width:30px;height:30px;border-radius:10px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--brand-600),var(--teal-500));
  display:inline-block;
}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff;opacity:.94;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--ink-900);white-space:nowrap;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock{position:sticky;top:16px;z-index:1030;margin-top:16px;}
.dock-inner{
  width:min(1160px,92vw);margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 10px 10px 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(226,233,243,.9);
  border-radius:var(--r-pill);
  box-shadow:0 8px 28px rgba(16,42,84,.10);
  transition:background-color var(--ease),box-shadow var(--ease);
}
.dock.scrolled .dock-inner{background:rgba(255,255,255,.98);box-shadow:0 6px 20px rgba(16,42,84,.09);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-600);
  padding:8px 14px;border-radius:var(--r-pill);
  transition:background-color var(--ease),color var(--ease);
}
.dock-nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock-nav a.active{color:var(--brand-600);font-weight:600;}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--brand-600);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#fff;
  background:var(--brand-600);
  box-shadow:0 6px 16px rgba(31,90,214,.24);
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-cta:hover{background:#1B50BD;color:#fff;transform:translateY(-1px);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
  transition:border-color var(--ease),background-color var(--ease);
}
.menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-900);}
.menu-toggle:hover{border-color:var(--brand-500);background:var(--brand-050);}
.dock-drawer{
  display:none;position:absolute;left:50%;transform:translateX(-50%);
  top:calc(100% + 10px);width:min(560px,92vw);
  background:#fff;border-radius:20px;box-shadow:var(--shadow-2);
  padding:12px;flex-direction:column;
}
.dock-drawer.open{display:flex;}
.dock-drawer a{
  height:48px;display:flex;align-items:center;padding:0 18px;
  border-radius:14px;font-size:15px;color:var(--ink-600);font-weight:500;
}
.dock-drawer a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock-drawer a.active{background:var(--brand-050);color:var(--brand-600);font-weight:600;}
@media (max-width:991px){
  .dock-nav{display:none;}
  .menu-toggle{display:flex;}
}
@media (max-width:575px){
  .dock{margin-top:12px;}
  .dock-inner{padding:8px 8px 8px 14px;gap:10px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:26px;height:26px;border-radius:9px;}
  .brand-mark::after{inset:8px;}
  .btn-cta{height:40px;padding:0 16px;font-size:14px;}
  .menu-toggle{width:38px;height:38px;}
}

/* ---------- 分类页页头 ---------- */
.page-hero{position:relative;overflow:hidden;background:#fff;padding:52px 0 84px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.10;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 48%,rgba(237,243,254,.78) 100%);
}
.page-hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:22px;}
.crumbs a{color:var(--ink-600);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .sep{color:#C3CEDE;}

.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center;}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--teal-050);color:var(--teal-500);
  font-size:13px;font-weight:600;letter-spacing:.3px;
}
.pill-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal-500);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;
  margin:18px 0 16px;letter-spacing:-.6px;
}
.page-hero .lead{font-size:17px;line-height:1.8;color:var(--ink-600);max-width:580px;margin:0 0 28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.metrics{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.metric{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-600);}
.metric .dot{width:8px;height:8px;border-radius:50%;background:var(--teal-500);flex:0 0 auto;}
.metric b{font-size:19px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums;line-height:1;}

.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-1);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(31,90,214,.04) 0%,rgba(16,42,84,.30) 100%);
}
.float-card{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  background:rgba(255,255,255,.96);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-2);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.float-card .tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-600);font-size:12.5px;font-weight:600;
}
.float-card .note{font-size:13.5px;color:var(--ink-600);flex:1 1 160px;}

/* ---------- 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;border:1px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 8px 20px rgba(31,90,214,.24);}
.btn-primary:hover{background:#1B50BD;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-100);}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-600);}
.btn-soft{background:var(--brand-050);color:var(--brand-600);}
.btn-soft:hover{background:var(--brand-100);color:var(--brand-600);}
@media (max-width:575px){.btn{height:46px;padding:0 20px;font-size:14.5px;}}

.text-link{font-size:14.5px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:#1B50BD;text-decoration:underline;text-underline-offset:4px;}

/* ---------- 入口卡片矩阵 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{
  display:grid;grid-template-columns:60px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-100);}
.icon-box{
  width:56px;height:56px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand-600);
}
.icon-box.teal{background:var(--teal-050);color:var(--teal-500);}
.entry-card h3{font-size:20px;line-height:1.4;font-weight:600;margin:2px 0 8px;}
.entry-card .desc{margin:0 0 14px;font-size:15px;line-height:1.75;color:var(--ink-600);}
.entry-points{list-style:none;margin:0 0 16px;padding:0;display:grid;gap:9px;}
.entry-points li{position:relative;padding-left:22px;font-size:14px;line-height:1.7;color:var(--ink-600);}
.entry-points li::before{
  content:"";position:absolute;left:0;top:8px;
  width:9px;height:9px;border-radius:3px;
  background:var(--teal-050);border:2px solid var(--teal-500);
}
@media (max-width:767px){
  .entry-grid{grid-template-columns:1fr;gap:18px;}
  .entry-card{grid-template-columns:52px 1fr;gap:16px;padding:20px;}
  .icon-box{width:48px;height:48px;border-radius:12px;}
  .entry-card h3{font-size:18px;}
}

/* ---------- 横向提示条 ---------- */
.notice-bar{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  background:var(--brand-050);border:1px solid var(--brand-100);
  border-radius:var(--r-card);padding:20px 24px;
}
.notice-bar::before{
  content:"";flex:0 0 4px;align-self:stretch;min-height:38px;
  border-radius:999px;background:var(--brand-600);
}
.notice-bar .notice-txt{flex:1 1 320px;font-size:14.5px;line-height:1.8;color:var(--ink-600);margin:0;}
.notice-bar .notice-txt strong{color:var(--ink-900);}

/* ---------- 使用流程时间轴 ---------- */
.steps{display:grid;gap:30px;max-width:880px;}
.step{position:relative;display:grid;grid-template-columns:36px 1fr;gap:20px;}
.step:not(:last-child)::before{
  content:"";position:absolute;left:17px;top:42px;bottom:-30px;width:2px;
  background:var(--brand-100);border-radius:2px;
}
.step-num{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;z-index:1;
  background:var(--teal-050);color:var(--teal-500);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 3px #fff, 0 0 0 4px rgba(15,169,143,.16);
}
.step-body h3{font-size:18px;font-weight:600;margin:4px 0 8px;}
.step-body p{margin:0;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* ---------- 状态说明两栏 ---------- */
.state-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.state-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.state-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.state-card h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;margin:0 0 18px;}
.state-card h3 .badge-dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto;}
.state-card.ok h3 .badge-dot{background:var(--teal-500);}
.state-card.warn h3 .badge-dot{background:var(--amber-500);}
.state-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.state-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.75;color:var(--ink-600);}
.state-list li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:5px;
  background:var(--teal-050);border:1px solid rgba(15,169,143,.35);
}
.state-card.warn .state-list li::before{background:#FEF3E7;border-color:rgba(242,136,43,.35);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--ink-600);
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);}
@media (max-width:767px){.state-grid{grid-template-columns:1fr;gap:18px;}}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-1);border-color:var(--brand-100);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-600);
  transform:scaleY(0);transform-origin:top;transition:transform var(--ease);
}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink-900);
}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand-600);border-radius:2px;}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;transition:transform var(--ease);}
.faq-item.open .faq-icon::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15.5px;line-height:1.8;color:var(--ink-600);}

/* ---------- CTA 区块 ---------- */
.cta-section{background:var(--brand-050);position:relative;overflow:hidden;}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(31,90,214,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,214,.055) 1px,transparent 1px);
  background-size:34px 34px;
  pointer-events:none;
}
.cta-panel{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;
  background:#fff;border:1px solid var(--brand-100);border-radius:20px;
  padding:44px;box-shadow:var(--shadow-1);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700;margin:0 0 12px;}
.cta-panel p{margin:0 0 20px;font-size:15px;line-height:1.8;color:var(--ink-600);max-width:560px;}
.cta-checks{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;margin:0;padding:0;}
.cta-checks li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-600);}
.cta-checks li::before{
  content:"";position:absolute;left:0;top:6px;width:13px;height:13px;border-radius:50%;
  background:var(--teal-050);border:2px solid var(--teal-500);
}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn{width:100%;}
@media (max-width:991px){
  .cta-panel{grid-template-columns:1fr;gap:26px;padding:32px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn{width:auto;flex:1 1 200px;}
}
@media (max-width:575px){
  .cta-panel{padding:24px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink-900);color:#C3CEE1;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.f-brand .brand-text{color:#fff;}
.f-desc{font-size:14.5px;line-height:1.8;color:#93A4BD;max-width:320px;margin:0;}
.footer h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer ul a{font-size:14.5px;color:#A9B8CF;}
.footer ul a:hover{color:var(--teal-400);}
.f-contact{font-size:14px;line-height:1.8;color:#93A4BD;margin:0 0 16px;}
.to-top{
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.22);
  color:#DBE5F4;font-size:13.5px;cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.to-top:hover{border-color:var(--teal-400);color:#fff;background:rgba(255,255,255,.06);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8394AB;
}
.footer-bottom span{font-variant-numeric:tabular-nums;}
@media (max-width:991px){
  .footer{padding:52px 0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
  .entry-card:hover,.state-card:hover,.btn:hover,.btn-cta:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand-600:#1F5AD6;
  --brand-500:#2E6BE6;
  --brand-050:#EDF3FE;
  --brand-100:#DBE7FC;
  --teal-500:#0FA98F;
  --teal-050:#E6F7F3;
  --amber-500:#F2882B;
  --ink-900:#101B33;
  --ink-600:#46566F;
  --ink-400:#8394AB;
  --line:#E2E9F3;
  --page:#F6F9FD;
  --card:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --sh-1:0 2px 8px rgba(16,42,84,.06),0 12px 32px rgba(16,42,84,.07);
  --sh-2:0 6px 16px rgba(16,42,84,.10),0 20px 44px rgba(16,42,84,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--page);
  color:var(--ink-900);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2}
h2{font-size:clamp(24px,3vw,32px)}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:3px solid rgba(31,90,214,.35);
  outline-offset:2px;
  border-radius:8px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1600px){.wrap{max-width:1280px}}

/* ============ 浮动 Dock 导航 ============ */
.dock-shell{position:sticky;top:16px;z-index:1030;width:min(1160px,92vw);margin:16px auto 0}
.dock{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 10px 10px 20px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(226,233,243,.9);
  box-shadow:0 8px 28px rgba(16,42,84,.10);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:background .2s ease-out,box-shadow .2s ease-out;
}
.dock.scrolled{background:rgba(255,255,255,.98);box-shadow:0 6px 20px rgba(16,42,84,.08)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink-900);white-space:nowrap;letter-spacing:.2px}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--brand-600),var(--teal-500));
  box-shadow:0 4px 10px rgba(31,90,214,.28);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border-radius:3px;
  background:#fff;transform:translate(-50%,-50%);
}
.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-nav a{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-600);
  transition:background .2s ease-out,color .2s ease-out;white-space:nowrap;
}
.dock-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.dock-nav a.active{color:var(--brand-600);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:999px;background:var(--brand-600);
}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-600);display:grid;place-items:center;cursor:pointer;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.icon-btn:hover{border-color:var(--brand-500);background:var(--brand-050);color:var(--brand-600)}
.icon-btn svg{width:18px;height:18px}
.btn-dock{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--brand-600);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 6px 16px rgba(31,90,214,.24);
  transition:background .2s ease-out,transform .2s ease-out;white-space:nowrap;
}
.btn-dock:hover{background:#1a4fbd;transform:translateY(-1px);color:#fff}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);place-items:center;cursor:pointer;
}
.dock-toggle svg{width:20px;height:20px}

/* ============ 通用按钮 ============ */
.btn-main,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-main{background:var(--brand-600);color:#fff;box-shadow:0 8px 20px rgba(31,90,214,.22)}
.btn-main:hover{background:#1a4fbd;transform:translateY(-1px);color:#fff}
.btn-line{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-line:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-600)}
.btn-pill{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;
  border-radius:999px;background:var(--brand-050);color:var(--brand-600);
  font-size:14px;font-weight:600;border:1px solid var(--brand-100);
  transition:background .2s ease-out,color .2s ease-out;
}
.btn-pill:hover{background:var(--brand-100);color:var(--brand-600)}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);padding-top:28px;flex-wrap:wrap}
.crumb a{color:var(--ink-600);transition:color .2s ease-out}
.crumb a:hover{color:var(--brand-600)}
.crumb .cur{color:var(--ink-900);font-weight:600}

/* ============ 页头 Hero ============ */
.page-hero{
  position:relative;
  background:
    radial-gradient(900px 400px at 88% -10%,rgba(15,169,143,.10),transparent 70%),
    linear-gradient(180deg,#FFFFFF 0%,var(--page) 100%);
  padding-bottom:96px;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding-top:44px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--teal-050);color:var(--teal-500);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal-500)}
.page-hero h1{margin-bottom:18px;letter-spacing:-.3px}
.lead{font-size:17px;line-height:1.8;color:var(--ink-600);max-width:560px;margin-bottom:28px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.metrics{display:flex;gap:32px;flex-wrap:wrap}
.metrics li{display:flex;flex-direction:column;gap:2px}
.metrics b{
  font-size:26px;font-weight:700;color:var(--brand-600);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;line-height:1.2;
}
.metrics span{font-size:13px;color:var(--ink-400)}
.metrics li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--teal-500);margin-bottom:6px;
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:var(--sh-2);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(160deg,rgba(31,90,214,.16),rgba(15,169,143,.06) 60%,transparent);
  pointer-events:none;
}
.float-card{
  position:absolute;left:-18px;bottom:24px;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--sh-2);border:1px solid var(--line);max-width:280px;
}
.float-card .dot{
  width:10px;height:10px;border-radius:50%;background:var(--teal-500);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(15,169,143,.16);
}
.float-card b{display:block;font-size:14.5px;font-weight:600}
.float-card span{font-size:12.5px;color:var(--ink-400);line-height:1.5;display:block}

/* ============ 通用板块 ============ */
.sec{padding:96px 0}
.sec-white{background:#fff}
.sec-tint{background:var(--page)}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2{margin-bottom:12px;letter-spacing:-.2px}
.sec-sub{font-size:14px;line-height:1.8;color:var(--ink-400);margin:0}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.tag-teal{background:var(--teal-050);color:var(--teal-500)}
.tag-brand{background:var(--brand-050);color:var(--brand-600)}
.tag-amber{background:#FEF1E5;color:#C4691A}

/* ============ 图文交替行 ============ */
.row-item{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:32px 0;
}
.row-item + .row-item{border-top:1px solid var(--line)}
.row-item .row-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.row-item .row-media:hover img{box-shadow:var(--sh-2);transform:translateY(-3px)}
.row-item:nth-child(even) .row-media{order:2}
.row-body h3{margin-bottom:14px}
.row-body p{color:var(--ink-600);font-size:15.5px;line-height:1.85}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:8px;
  color:var(--brand-600);font-size:15px;font-weight:600;transition:color .2s ease-out;
}
.text-link:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px}

/* ============ 标签筛选 ============ */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-600);
  font-size:14.5px;font-weight:500;cursor:default;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.chip:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-600)}

/* ============ 快捷入口卡片 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.qc-card{
  display:grid;grid-template-columns:200px 1fr;gap:20px;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;padding:16px;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.qc-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--brand-100)}
.qc-media img{width:100%;height:100%;min-height:150px;object-fit:cover;border-radius:12px}
.qc-body{display:flex;flex-direction:column}
.qc-body h3{font-size:18px;margin:10px 0 8px}
.qc-body p{font-size:14.5px;line-height:1.8;color:var(--ink-600);margin-bottom:auto}
.qc-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  color:var(--brand-600);font-size:14.5px;font-weight:600;
}
.qc-card:hover .qc-more{text-decoration:underline;text-underline-offset:4px}

/* ============ FAQ 折叠 ============ */
.faq-wrap{max-width:860px}
.rule-acc .accordion-item{
  border:0;background:#fff;border-radius:14px;margin-bottom:12px;
  box-shadow:var(--sh-1);overflow:hidden;
}
.rule-acc .accordion-button{
  position:relative;background:#fff;color:var(--ink-900);
  font-size:16px;font-weight:600;padding:18px 20px;box-shadow:none;border-radius:14px;
}
.rule-acc .accordion-button:hover{background:var(--brand-050)}
.rule-acc .accordion-button:not(.collapsed){color:var(--brand-600);background:#fff}
.rule-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand-600);
}
.rule-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(31,90,214,.3);z-index:2}
.rule-acc .accordion-button::after{
  width:22px;height:22px;background-image:none;flex:0 0 auto;
  background:
    linear-gradient(#1F5AD6,#1F5AD6) center/12px 2px no-repeat,
    linear-gradient(#1F5AD6,#1F5AD6) center/2px 12px no-repeat;
  border-radius:999px;transition:transform .25s ease-out;
}
.rule-acc .accordion-button:not(.collapsed)::after{
  background:linear-gradient(#1F5AD6,#1F5AD6) center/12px 2px no-repeat;
  transform:rotate(180deg);
}
.rule-acc .accordion-body{
  padding:0 20px 20px;color:var(--ink-600);font-size:15.5px;line-height:1.85;
}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 96px}
.cta-box{
  position:relative;overflow:hidden;border-radius:24px;
  background:
    radial-gradient(600px 260px at 12% 0%,rgba(31,90,214,.14),transparent 70%),
    radial-gradient(520px 240px at 96% 100%,rgba(15,169,143,.14),transparent 70%),
    var(--brand-050);
  border:1px solid var(--brand-100);
  padding:48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-box h2{margin-bottom:12px}
.cta-box p{color:var(--ink-600);font-size:15.5px;max-width:560px;margin:0}
.cta-checks{display:flex;flex-wrap:wrap;gap:16px;margin-top:20px}
.cta-checks li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-600)}
.cta-checks li::before{
  content:"";width:16px;height:16px;border-radius:50%;flex:0 0 auto;
  background:var(--teal-050) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.4l2.6 2.6L12 5.6' fill='none' stroke='%230FA98F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px 14px no-repeat;
}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn-main,.cta-actions .btn-line{width:100%}

/* ============ 页脚 ============ */
.footer{background:var(--ink-900);color:#fff;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.4fr;gap:32px}
.f-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.f-desc{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;max-width:300px;margin:0}
.footer h4{font-size:15px;font-weight:600;margin-bottom:14px;color:#fff}
.footer ul li a{
  display:inline-block;color:rgba(255,255,255,.66);font-size:14px;line-height:2.2;
  transition:color .2s ease-out;
}
.footer ul li a:hover{color:#8FB6FF}
.f-contact{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;margin:0 0 14px}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.24);color:#fff;
  border-radius:999px;padding:10px 18px;font-size:14px;cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.to-top:hover{border-color:#8FB6FF;color:#8FB6FF;background:rgba(143,182,255,.08)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);line-height:1.7;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .qc-card{grid-template-columns:170px 1fr}
}
@media (max-width:991px){
  .dock-shell{width:94vw;margin-top:12px;top:12px}
  .dock{padding:8px 8px 8px 16px;gap:10px}
  .dock-nav{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-radius:20px;padding:10px;
    box-shadow:0 18px 40px rgba(16,42,84,.16);border:1px solid var(--line);
    margin:0;
  }
  .dock.open .dock-nav{display:flex}
  .dock-nav a{padding:0 16px;height:48px;display:flex;align-items:center;border-radius:14px}
  .dock-nav a.active::after{display:none}
  .dock-nav a.active{background:var(--brand-050)}
  .dock-toggle{display:grid}
  .dock-actions{margin-left:auto}
  .btn-dock{height:38px;padding:0 16px;font-size:14.5px}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-top:32px}
  .page-hero{padding-bottom:72px}
  .lead{max-width:none}
  .float-card{left:12px;bottom:12px}
  .sec{padding:72px 0}
  .row-item{grid-template-columns:1fr;gap:24px;padding:28px 0}
  .row-item:nth-child(even) .row-media{order:0}
  .cta-band{padding-bottom:72px}
  .cta-box{grid-template-columns:1fr;padding:36px 28px}
  .footer{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .f-desc{max-width:none}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  body{font-size:15.5px}
  .logo{font-size:15.5px}
  .dock-actions .icon-btn{display:none}
  .hero-btns{gap:10px}
  .hero-btns .btn-main,.hero-btns .btn-line{flex:1 1 100%}
  .metrics{gap:20px}
  .metrics b{font-size:22px}
  .sec{padding:56px 0}
  .quick-grid{grid-template-columns:1fr}
  .qc-card{grid-template-columns:1fr;padding:14px}
  .qc-media img{min-height:0;aspect-ratio:16/9;height:auto}
  .cta-box{padding:28px 20px}
  .cta-actions .btn-main,.cta-actions .btn-line{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand-600:#1F5AD6;
  --brand-500:#2E6BE6;
  --brand-100:#DBE7FC;
  --brand-050:#EDF3FE;
  --teal-500:#0FA98F;
  --teal-050:#E6F7F3;
  --amber-500:#F2882B;
  --ink-900:#101B33;
  --ink-600:#46566F;
  --ink-400:#8394AB;
  --line:#E2E9F3;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(16,42,84,.06),0 12px 32px rgba(16,42,84,.07);
  --sh-lg:0 6px 16px rgba(16,42,84,.10),0 20px 44px rgba(16,42,84,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand-600)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:3px solid rgba(31,90,214,.32);outline-offset:2px;border-radius:8px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:#fff}
.section .sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3}
.sec-head .sub{margin-top:12px;font-size:14px;line-height:1.7;color:var(--ink-600)}

/* ============ Dock 导航 ============ */
.dock-holder{position:sticky;top:16px;z-index:1030}
.dock{
  position:relative;
  width:min(1160px,92vw);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 10px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 8px 28px rgba(16,42,84,.10);
  transition:background .2s ease,box-shadow .2s ease;
}
.dock.is-scrolled{background:rgba(255,255,255,.98);box-shadow:0 6px 20px rgba(16,42,84,.13)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-600),var(--teal-500));
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 9px 9px 9px;
  border-radius:4px;background:#fff;opacity:.9;
  clip-path:polygon(0 0,100% 0,100% 55%,55% 55%,55% 100%,0 100%);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.3px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.dock-nav a{
  position:relative;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-600);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.dock-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.dock-nav a.active{color:var(--brand-600);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--brand-600);
}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  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(--ink-600);cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--brand-050);border-color:var(--brand-100);color:var(--brand-600)}
.icon-btn svg{width:18px;height:18px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;border:0;cursor:pointer;
  border-radius:var(--r-btn);
  background:var(--brand-600);color:#fff;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  box-shadow:0 8px 20px rgba(31,90,214,.24);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:#1A50BF;color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,90,214,.28)}
.btn-main:active{transform:translateY(0)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:44px;cursor:pointer;
  border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  color:var(--ink-900);font-size:15px;font-weight:600;
  transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-line:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-600);transform:translateY(-1px)}
.dock-cta{height:42px;padding:0 20px;font-size:14.5px}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink-900);
}
.hamburger svg{width:20px;height:20px}
.dock-drawer{
  position:absolute;left:0;right:0;top:calc(100% + 12px);
  background:#fff;border-radius:20px;padding:12px;
  box-shadow:var(--sh-lg);border:1px solid var(--line);
}
.dock-drawer a{
  display:block;height:48px;line-height:48px;padding:0 16px;border-radius:12px;
  font-size:16px;font-weight:500;color:var(--ink-600);
}
.dock-drawer a:hover{background:var(--brand-050);color:var(--brand-600)}
.dock-drawer a.active{background:var(--brand-050);color:var(--brand-600);font-weight:600}
.dock-drawer .d-cta{margin-top:8px;height:48px;line-height:48px;text-align:center;background:var(--brand-600);color:#fff;font-weight:600}
.dock-drawer .d-cta:hover{background:#1A50BF;color:#fff}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  background-image:linear-gradient(180deg,rgba(246,249,253,.94),rgba(246,249,253,.98)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{font-size:13px;color:var(--ink-400);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--ink-600)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:var(--ink-400)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:start}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--teal-050);color:var(--teal-500);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.page-hero h1{
  margin:18px 0 0;
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.24;
  letter-spacing:.2px;
}
.lede{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-600);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.metrics{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px}
.metric{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-600)}
.metric .dot{width:8px;height:8px;border-radius:50%;background:var(--teal-500);flex:0 0 auto}
.metric b{font-size:19px;color:var(--ink-900);font-weight:700}

.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:22px;
}
.side-panel h2{font-size:16px;font-weight:600;color:var(--ink-900);margin-bottom:4px}
.side-panel .side-note{font-size:13px;color:var(--ink-400);line-height:1.7;margin-bottom:16px}
.stat-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line)}
.stat-row:last-of-type{border-bottom:0}
.stat-row .k{font-size:14px;color:var(--ink-600)}
.stat-row .v{font-size:16px;font-weight:700;color:var(--brand-600)}
.side-img{margin-top:16px;border-radius:var(--r-img);overflow:hidden}
.side-img img{width:100%;height:150px;object-fit:cover}

/* ============ 时间轴步骤 ============ */
.timeline{position:relative;max-width:900px}
.tl-item{position:relative;padding-left:78px;padding-bottom:40px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:23px;top:52px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--brand-100),rgba(219,231,252,.25));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-100);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--teal-500);
  box-shadow:0 4px 12px rgba(16,42,84,.06);
  z-index:1;
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:24px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.tl-body:hover{box-shadow:var(--sh-lg);transform:translateY(-3px)}
.tl-body h3{font-size:19px;line-height:1.45;margin-bottom:10px}
.tl-body p{font-size:15.5px;color:var(--ink-600);line-height:1.85}
.tl-list{margin-top:14px;display:grid;gap:8px}
.tl-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-600);line-height:1.75}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--teal-500);
}
.tl-media{margin-top:16px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.tl-media img{width:100%;height:210px;object-fit:cover;transition:transform .35s ease}
.tl-body:hover .tl-media img{transform:scale(1.03)}

/* ============ 对照区 ============ */
.compare-row{--bs-gutter-x:24px;--bs-gutter-y:24px}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:26px;height:100%;
  transition:box-shadow .2s ease,transform .2s ease;
}
.panel:hover{box-shadow:var(--sh-lg);transform:translateY(-3px)}
.panel h3{font-size:19px;margin-bottom:6px}
.panel .panel-note{font-size:13.5px;color:var(--ink-400);margin-bottom:18px;line-height:1.7}
.check-list{display:grid;gap:14px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-list .ic{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);
}
.check-list li:nth-child(even) .ic{background:var(--teal-050);color:var(--teal-500)}
.check-list .ic svg{width:18px;height:18px}
.check-list .tx b{display:block;font-size:15.5px;color:var(--ink-900);font-weight:600;margin-bottom:3px}
.check-list .tx span{font-size:14.5px;color:var(--ink-600);line-height:1.75}
.warn-list{display:grid;gap:12px}
.warn-list li{
  border-left:3px solid var(--amber-500);
  background:#FFF8F1;border-radius:0 12px 12px 0;
  padding:12px 14px;font-size:14.5px;color:var(--ink-600);line-height:1.75;
}
.warn-list li b{color:var(--ink-900)}

/* ============ 提示条 ============ */
.tip-strip{
  margin-top:44px;
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;
}
.tip{
  background:var(--brand-050);border:1px solid var(--brand-100);border-radius:var(--r-card);
  padding:20px 22px;
}
.tip .tip-t{font-size:15.5px;font-weight:700;color:var(--brand-600);margin-bottom:6px}
.tip .tip-d{font-size:14px;color:var(--ink-600);line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:#fff;border-radius:14px;margin-bottom:12px;
  border:1px solid var(--line);overflow:hidden;position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background .2s ease;
}
.faq-item.is-open::before{background:var(--brand-600)}
.faq-btn{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-btn:hover{color:var(--brand-600)}
.faq-btn .sign{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .25s ease;
}
.faq-btn .sign::before,.faq-btn .sign::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
}
.faq-btn .sign::before{left:0;right:0;top:50%;height:2px;transform:translateY(-50%)}
.faq-btn .sign::after{top:0;bottom:0;left:50%;width:2px;transform:translateX(-50%)}
.faq-btn[aria-expanded="true"] .sign{transform:rotate(180deg)}
.faq-btn[aria-expanded="true"] .sign::after{opacity:0}
.faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--ink-600);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-band{
  background:linear-gradient(135deg,var(--brand-050),#F8FBFF 62%,var(--teal-050));
  border:1px solid var(--brand-100);
  border-radius:20px;
  padding:40px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:220px;height:220px;
  border-radius:50%;background:rgba(15,169,143,.10);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35}
.cta-band p{margin-top:12px;font-size:15.5px;color:var(--ink-600);max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--brand-100);
  font-size:13.5px;color:var(--brand-600);font-weight:500;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1}

/* ============ 页脚 ============ */
.footer{background:var(--ink-900);color:#fff;padding:64px 0 28px;margin-top:0}
.footer a{color:rgba(255,255,255,.72)}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:32px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.f-brand .brand-text{color:#fff;font-size:17px}
.f-brand .brand-mark{background:linear-gradient(135deg,var(--brand-500),var(--teal-500))}
.f-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px}
.footer h4{font-size:15px;margin-bottom:14px;color:#fff;font-weight:600}
.footer ul li{margin-bottom:10px;font-size:14px}
.f-contact{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:14px}
.to-top{
  border:1px solid rgba(255,255,255,.24);background:transparent;color:#fff;
  height:38px;padding:0 16px;border-radius:10px;cursor:pointer;font-size:13.5px;
  transition:background .18s ease,border-color .18s ease;
}
.to-top:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.4)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (min-width:1600px){
  .wrap{max-width:1280px}
}
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;row-gap:36px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .dock-nav{display:none}
  .dock-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .side-panel{max-width:520px}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .cta-actions{justify-content:flex-start}
  .tip-strip{grid-template-columns:1fr}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .f-desc{max-width:none}
  .page-hero{padding:40px 0 56px}
  .tl-item{padding-left:60px;padding-bottom:30px}
  .tl-item::before{left:19px;top:44px}
  .tl-dot{width:40px;height:40px;font-size:14px}
  .tl-body{padding:20px}
  .tl-body h3{font-size:17.5px}
  .tl-media img{height:170px}
  .panel{padding:22px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .dock{padding:8px 8px 8px 14px;gap:10px}
  .brand-text{font-size:15.5px}
  .icon-btn{width:36px;height:36px}
  .metrics{gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer{padding:48px 0 24px}
  .footer-bottom{flex-direction:column}
  .cta-band{padding:26px 20px}
  .btn-main,.btn-line{width:100%;padding:0 18px}
  .hero-actions{flex-direction:column}
  .tl-item{padding-left:52px}
  .tl-item::before{left:15px}
  .tl-dot{width:34px;height:34px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .tl-body:hover,.panel:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand-600:#1F5AD6;
  --brand-500:#2E6BE6;
  --brand-100:#DBE7FC;
  --brand-050:#EDF3FE;
  --teal-500:#0FA98F;
  --teal-050:#E6F7F3;
  --amber-500:#F2882B;
  --ink-900:#101B33;
  --ink-600:#46566F;
  --ink-400:#8394AB;
  --line:#E2E9F3;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,42,84,.06), 0 12px 32px rgba(16,42,84,.07);
  --sh-2:0 6px 16px rgba(16,42,84,.10), 0 20px 44px rgba(16,42,84,.10);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:112px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink-900)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(31,90,214,.32);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1600px){.wrap{max-width:1280px}}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;padding:16px 0 10px;transition:padding .2s ease}
.site-header.is-scrolled{padding:10px 0 8px}
.dock-shell{position:relative;width:min(1160px,92vw);margin:0 auto}
.dock{
  display:flex;align-items:center;gap:16px;
  padding:10px 10px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(226,233,243,.9);
  box-shadow:0 8px 28px rgba(16,42,84,.10);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .dock{background:rgba(255,255,255,.98);box-shadow:0 4px 18px rgba(16,42,84,.09)}
.dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--teal-500));
  box-shadow:0 4px 12px rgba(31,90,214,.28);
}
.brand-mark::after{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;border-radius:50%;background:#fff;transform:translate(-50%,-50%)}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;color:var(--ink-900);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{position:relative;padding:9px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--ink-600);transition:background .2s ease,color .2s ease}
.dock-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.dock-nav a.active{color:var(--brand-600);font-weight:600}
.dock-nav a.active::after{content:"";position:absolute;left:50%;bottom:2px;width:22px;height:3px;border-radius:3px;background:var(--brand-600);transform:translateX(-50%)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  color:var(--ink-600);background:#fff;border:1px solid var(--line);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--brand-050);color:var(--brand-600);border-color:var(--brand-100);transform:translateY(-1px)}
.menu-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:var(--ink-600);background:#fff;border:1px solid var(--line)}
.menu-btn:hover{background:var(--brand-050);color:var(--brand-600)}
.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;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:0 8px 20px rgba(31,90,214,.24)}
.btn-primary:hover{background:#1B4FBE;color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,90,214,.28)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-500);color:var(--brand-600)}
.btn-cta{height:42px;padding:0 18px;border-radius:var(--r-btn);background:var(--brand-600);color:#fff;font-size:14.5px;font-weight:600;box-shadow:0 6px 16px rgba(31,90,214,.22)}
.btn-cta:hover{background:#1B4FBE;color:#fff;transform:translateY(-1px)}
.dock-drawer{
  display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-2);padding:12px;
}
.dock-drawer.open{display:block}
.dock-drawer a{display:block;line-height:48px;padding:0 16px;border-radius:12px;font-size:15.5px;color:var(--ink-600)}
.dock-drawer a:hover{background:var(--brand-050);color:var(--brand-600)}
.dock-drawer a.active{background:var(--brand-050);color:var(--brand-600);font-weight:600}
.dock-drawer .drawer-cta{margin-top:8px;line-height:48px;text-align:center;background:var(--brand-600);color:#fff;font-weight:600}
.dock-drawer .drawer-cta:hover{background:#1B4FBE;color:#fff}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:44px 0 80px;
  background:linear-gradient(170deg,#EAF2FE 0%,#F6F9FD 70%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,143,.14),rgba(15,169,143,0) 68%);
}
.page-hero::after{
  content:"";position:absolute;left:-160px;bottom:-180px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,90,214,.12),rgba(31,90,214,0) 70%);
}
.page-hero .wrap{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--ink-400)}
.crumb a:hover{color:var(--brand-600)}
.crumb .sep{color:#B7C4D6}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--brand-100);
  font-size:13px;font-weight:600;color:var(--brand-600);margin-bottom:18px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal-500)}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.25;letter-spacing:-.2px}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-600);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts b{font-size:22px;font-weight:700;color:var(--brand-600);font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.hero-facts span{font-size:13px;color:var(--ink-400)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2)}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(31,90,214,.16),rgba(15,169,143,.10) 60%,rgba(255,255,255,0) 85%)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:14px;padding:14px 16px;
  box-shadow:0 10px 26px rgba(16,42,84,.16);
}
.hero-float p{margin-top:6px;font-size:13.5px;line-height:1.65;color:var(--ink-600)}
.tag-pill{
  display:inline-flex;align-items:center;padding:3px 12px;border-radius:var(--r-pill);
  background:var(--teal-050);color:var(--teal-500);font-size:12.5px;font-weight:600;
}
.tag-pill.blue{background:var(--brand-050);color:var(--brand-600)}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-white{background:#fff}
.section-bg{background:var(--bg)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,32px)}
.section-head p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--ink-600)}

/* ---------- 提示条 ---------- */
.notice-card{
  position:relative;display:grid;grid-template-columns:.85fr 2fr;gap:40px;
  padding:32px 36px 32px 40px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.notice-card::before{content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:0 4px 4px 0;background:var(--brand-600)}
.notice-aside h2{font-size:22px}
.notice-aside p{margin-top:12px;font-size:14px;line-height:1.8;color:var(--ink-600)}
.notice-list{display:flex;flex-direction:column;gap:20px}
.notice-list li{display:flex;gap:16px;align-items:flex-start}
.notice-list .num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--teal-050);color:var(--teal-500);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.notice-list h3{font-size:16px;font-weight:600}
.notice-list p{margin-top:6px;font-size:14.5px;line-height:1.8;color:var(--ink-600)}

/* ---------- 问题分组布局 ---------- */
.faq-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:44px;align-items:start}
.anchor-col{position:sticky;top:104px}
.anchor-title{font-size:13px;font-weight:600;color:var(--ink-400);letter-spacing:.4px;margin-bottom:12px;padding-left:14px}
.anchor-nav{display:flex;flex-direction:column;gap:4px}
.anchor-nav a{
  display:block;padding:10px 14px;font-size:15px;color:var(--ink-600);
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.anchor-nav a.active{background:var(--brand-050);color:var(--brand-600);border-left-color:var(--brand-600);font-weight:600}
.faq-main{display:flex;flex-direction:column;gap:48px}
.group-head{margin-bottom:20px}
.group-head h2{font-size:22px;display:flex;align-items:center;gap:12px}
.group-head h2::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--teal-500);flex:0 0 auto}
.group-head p{margin-top:10px;font-size:14px;color:var(--ink-600)}

/* ---------- 手风琴 ---------- */
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:0 1px 3px rgba(16,42,84,.04);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-600);opacity:0;transition:opacity .2s ease}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{border-color:var(--brand-100)}
.faq-item.is-open::before{opacity:1}
.faq-item .accordion-button{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;background:#fff;border:0;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--ink-900);text-align:left;line-height:1.55;
}
.faq-item .accordion-button:not(.collapsed){color:var(--brand-600);background:#fff;box-shadow:none}
.faq-item .accordion-button:hover{color:var(--brand-600)}
.faq-item .accordion-button:focus{box-shadow:0 0 0 3px rgba(31,90,214,.18);border:0}
.faq-item .accordion-button::after{
  content:"+";margin-left:auto;flex:0 0 auto;
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  background-image:none;background:var(--brand-050);color:var(--brand-600);
  border-radius:50%;font-size:17px;font-weight:600;line-height:1;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item .accordion-button:not(.collapsed)::after{
  content:"−";background:var(--brand-600);color:#fff;transform:rotate(180deg);
}
.faq-item .accordion-body{padding:0 20px 20px 20px;font-size:15.5px;line-height:1.8;color:var(--ink-600)}
.faq-item .accordion-body p+p{margin-top:10px}

/* ---------- 反馈与处理 ---------- */
.fb-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:stretch}
.fb-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:34px 36px;box-shadow:var(--sh-1)}
.fb-main h2{font-size:24px}
.fb-main>p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-600)}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--ink-600)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:5px;border-radius:6px;
  background:var(--teal-050);
  background-image:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%230FA98F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:14px;
}
.fb-main .btn{margin-top:26px}
.fb-side{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--brand-050);border:1px solid var(--brand-100);border-radius:var(--r-card);padding:26px 28px}
.side-card.light{background:#fff;border-color:var(--line);box-shadow:var(--sh-1)}
.side-num{margin-top:12px;font-size:34px;font-weight:700;color:var(--brand-600);line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.side-num em{font-size:15px;font-weight:600;font-style:normal;color:var(--ink-600);margin-left:6px}
.side-text{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-600)}
.side-card h3{font-size:16px;font-weight:600}
.side-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--ink-600)}

/* ---------- CTA ---------- */
.section-cta{padding:0 0 96px;background:var(--bg)}
.cta-card{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:44px 44px;border-radius:20px;
  background:var(--brand-050);
  border:1px solid var(--brand-100);
  background-image:linear-gradient(rgba(31,90,214,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,214,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.cta-card::after{content:"";position:absolute;right:-70px;top:-90px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(15,169,143,.16),rgba(15,169,143,0) 70%)}
.cta-text{position:relative;z-index:1;max-width:620px}
.cta-text h2{font-size:clamp(22px,2.6vw,28px)}
.cta-text p{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--ink-600)}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:#0E1830;color:#C6D2E4;padding:68px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.2fr;gap:36px}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.f-brand .brand-text{color:#fff;font-size:16.5px;font-weight:700}
.f-desc{font-size:14px;line-height:1.85;color:#9DAEC7;max-width:300px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer ul{display:flex;flex-direction:column;gap:11px}
.footer ul a{font-size:14.5px;color:#A9B8CF;transition:color .2s ease}
.footer ul a:hover{color:#7FE0CD}
.f-contact{font-size:14px;line-height:1.85;color:#9DAEC7}
.to-top{
  margin-top:16px;display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);color:#E4EBF5;font-size:13.5px;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.to-top:hover{background:rgba(255,255,255,.10);border-color:rgba(127,216,200,.6);color:#7FE0CD}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A9CB6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .faq-layout{grid-template-columns:220px minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:32px}
}
@media (max-width:991px){
  .dock-nav{display:none}
  .menu-btn{display:inline-flex}
  .btn-cta{display:none}
  .section{padding:72px 0}
  .page-hero{padding:36px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media img{aspect-ratio:16/9}
  .hero-media{order:2}
  .notice-card{grid-template-columns:1fr;gap:24px;padding:28px 24px 28px 28px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .anchor-col{position:static}
  .anchor-title{display:none}
  .anchor-nav{flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .anchor-nav a{white-space:nowrap;border:1px solid var(--line);border-left:1px solid var(--line);border-radius:var(--r-pill);padding:8px 15px;background:#fff;font-size:14px}
  .anchor-nav a.active{background:var(--brand-050);border-color:var(--brand-100);color:var(--brand-600)}
  .fb-grid{grid-template-columns:1fr}
  .cta-card{padding:34px 28px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer{padding:52px 0 24px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  body{font-size:15.5px}
  .section{padding:56px 0}
  .brand-text{font-size:15.5px}
  .hero-facts{gap:20px}
  .hero-actions .btn{width:100%}
  .fb-main{padding:26px 22px}
  .side-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .faq-item .accordion-button{font-size:15.5px;padding:16px 16px}
  .faq-item .accordion-body{padding:0 16px 18px 16px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
  .btn:hover,.icon-btn:hover{transform:none !important}
}