/* roulang page: index */
:root{
  --brand-600:#1C6BA8;
  --brand-700:#14527F;
  --brand-050:#EAF2F9;
  --accent-500:#F2762E;
  --mint-500:#2AA79B;
  --ink-900:#10202E;
  --ink-600:#46617A;
  --ink-400:#7C90A3;
  --line:#E4ECF4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --shadow-s:0 1px 2px rgba(16,42,67,.04),0 4px 12px rgba(16,42,67,.06);
  --shadow-m:0 10px 30px rgba(16,42,67,.10);
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;}
table{border-collapse:collapse;}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;letter-spacing:-.2px;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
  border-radius:8px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-600);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent-500);}
.section-title{font-size:clamp(24px,2.8vw,34px);line-height:1.3;letter-spacing:-.4px;}
.section-desc{margin-top:12px;font-size:15px;color:var(--ink-400);max-width:640px;}

/* ============ 浮动 Dock 导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:80;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1160px,100%);height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-s);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.dock.is-stuck{height:56px;box-shadow:var(--shadow-m);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.logo-mark svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:1.75;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:15.5px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px;}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--ink-400);letter-spacing:.04em;}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 15px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-600);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:0;height:2px;border-radius:2px;background:var(--brand-600);
  transform:translateX(-50%);transition:width .2s var(--ease);
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-050);}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{width:16px;}
.dock-right{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:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-600);background:var(--brand-050);}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.75;}
.burger{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 18px rgba(242,118,46,.26);}
.btn-primary:hover{background:#e2681f;transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,118,46,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-050);transform:translateY(-1px);}
.btn-text{height:auto;padding:0;background:none;border:0;color:var(--brand-600);font-weight:600;font-size:14.5px;}
.btn-text .arw{transition:transform .2s var(--ease);}
.btn-text:hover .arw{transform:translateX(3px);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1;
  color:#1f8b81;background:rgba(42,167,155,.08);border:1px solid rgba(42,167,155,.38);
}
.badge-accent{color:#c95f17;background:rgba(242,118,46,.10);border-color:rgba(242,118,46,.38);}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;left:0;right:0;z-index:75;
  background:#fff;border-bottom-left-radius:20px;border-bottom-right-radius:20px;
  box-shadow:var(--shadow-m);padding:88px 20px 20px;
  transform:translateY(-110%);transition:transform .25s var(--ease);
}
.drawer.is-open{transform:translateY(0);}
.drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 8px;
  font-size:15px;font-weight:500;color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.drawer a:last-child{border-bottom:0;}
.drawer a.active{color:var(--brand-600);font-weight:700;}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:132px 0 80px;
  background:
    radial-gradient(900px 460px at 88% -6%,rgba(28,107,168,.10),transparent 62%),
    radial-gradient(700px 420px at 4% 100%,rgba(42,167,155,.08),transparent 66%),
    var(--bg);
}
.hero-wave{position:absolute;right:-90px;top:90px;width:420px;height:420px;opacity:.07;pointer-events:none;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero-title{
  font-size:clamp(32px,4.6vw,52px);line-height:1.18;font-weight:700;letter-spacing:-.5px;
  color:var(--ink-900);margin-bottom:20px;
}
.hero-title span{color:var(--brand-600);}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--ink-600);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats .stat strong{display:block;font-size:26px;font-weight:700;color:var(--brand-600);line-height:1.2;font-family:"Inter","Barlow",system-ui,sans-serif;}
.hero-stats .stat span{font-size:13.5px;color:var(--ink-400);}
.hero-cards{position:relative;display:flex;justify-content:center;align-items:center;min-height:600px;}
.poster{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#dfe9f3;box-shadow:var(--shadow-m);}
.poster img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.poster-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.10) 20%,rgba(255,255,255,.80) 100%);}
.poster-main{width:320px;aspect-ratio:9/16;z-index:3;}
.poster-sub{position:absolute;width:168px;aspect-ratio:9/16;z-index:1;opacity:.96;}
.poster-sub.one{left:0;bottom:20px;}
.poster-sub.two{right:0;top:8px;}
.poster-badge{
  position:absolute;top:14px;right:14px;z-index:4;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-700);
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;
  border:1px solid rgba(28,107,168,.22);
}
.poster-text{position:absolute;left:16px;right:16px;bottom:18px;z-index:4;}
.poster-text strong{display:block;font-size:16px;color:var(--ink-900);font-weight:700;line-height:1.4;}
.poster-text span{display:block;font-size:12.5px;color:var(--ink-600);margin-top:4px;}

/* ============ 片段卡 ============ */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.clip-card{
  display:block;background:var(--surface);border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--shadow-s);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  position:relative;
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);}
.clip-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#e8eff6;}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.clip-card:hover .clip-thumb img{transform:scale(1.03);}
.clip-time{
  position:absolute;left:10px;bottom:10px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(16,32,46,.62);color:#fff;font-size:12px;
  display:inline-flex;align-items:center;
}
.clip-eye{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity .2s var(--ease);
}
.clip-eye span{
  width:48px;height:48px;border-radius:50%;background:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(16,42,67,.20);
}
.clip-eye svg{width:20px;height:20px;stroke:var(--brand-600);fill:none;stroke-width:1.9;}
.clip-card:hover .clip-eye{opacity:1;}
.clip-body{padding:16px 16px 18px;}
.clip-title{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;}
.clip-foot .tag{font-size:12.5px;color:var(--ink-400);}

/* ============ 编号清单 ============ */
.steps-wrap{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-s);padding:8px 28px;}
.steps-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;}
.step-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 12px 22px 0;border-bottom:1px solid var(--line);
  position:relative;transition:background-color .2s var(--ease);
}
.step-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:3px;background:var(--accent-500);opacity:0;
  transition:opacity .2s var(--ease);
}
.step-item:hover{background:var(--brand-050);}
.step-item:hover::before{opacity:1;}
.step-num{
  font-family:"Inter","Barlow",system-ui,sans-serif;
  font-size:26px;font-weight:700;line-height:1;color:var(--brand-600);
  min-width:48px;padding-left:12px;opacity:.85;
}
.step-item h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink-900);}
.step-item p{font-size:14px;line-height:1.7;color:var(--ink-400);margin-top:4px;}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:#e8eff6;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{font-size:18px;font-weight:600;line-height:1.55;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title{color:var(--brand-600);}
.news-desc{font-size:14px;line-height:1.7;color:var(--ink-400);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-400);}
.news-meta .more{color:var(--brand-600);font-weight:600;}
.news-meta .more:hover{color:var(--accent-500);}
.news-empty{
  grid-column:1/-1;min-height:160px;border:1px dashed #c8dbeb;border-radius:var(--r-lg);
  background:var(--brand-050);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;color:var(--ink-400);font-size:14.5px;text-align:center;padding:24px;
}

/* ============ 指标条 ============ */
.metrics-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:48px 0;}
.metric{text-align:center;padding:0 10px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric strong{
  display:block;font-family:"Inter","Barlow",system-ui,sans-serif;
  font-size:28px;font-weight:700;color:var(--brand-600);line-height:1.2;
}
.metric span{display:block;font-size:13.5px;color:var(--ink-400);margin-top:6px;}

/* ============ 口碑条 ============ */
.reviews{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 20px;scrollbar-width:none;
}
.reviews::-webkit-scrollbar{display:none;}
.review-card{
  position:relative;flex:0 0 300px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);padding:26px 22px 22px;
}
.review-card .quote{
  position:absolute;top:8px;left:18px;font-size:44px;line-height:1;
  color:var(--brand-050);font-family:Georgia,serif;font-weight:700;
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;position:relative;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-050),#d5e6f4);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-weight:700;font-size:14px;
}
.review-name{font-size:14px;font-weight:600;color:var(--ink-900);line-height:1.3;}
.stars{display:flex;gap:2px;margin-top:3px;}
.stars svg{width:13px;height:13px;fill:var(--accent-500);}
.review-body{font-size:14px;line-height:1.8;color:var(--ink-600);position:relative;}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);padding:20px 24px;margin-bottom:14px;
  transition:box-shadow .2s var(--ease);
}
.faq-item[open]{box-shadow:var(--shadow-m);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;line-height:1;
  color:var(--brand-600);transition:transform .2s var(--ease);flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-a{padding-top:14px;font-size:15px;line-height:1.9;color:var(--ink-600);border-top:1px solid var(--line);margin-top:16px;}

/* ============ 尾部 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--brand-050);border:1px solid #d9e8f5;
  padding:48px;display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.08;pointer-events:none;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35;margin-bottom:12px;}
.cta-copy p{font-size:15px;color:var(--ink-600);max-width:520px;}
.cta-copy .btn{margin-top:26px;}
.cta-card{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-md);
  padding:22px;border:1px solid var(--line);box-shadow:var(--shadow-s);text-align:center;
}
.cta-card strong{display:block;font-size:15px;color:var(--ink-900);margin-bottom:6px;}
.cta-card span{font-size:13px;color:var(--ink-400);line-height:1.7;display:block;}
.cta-card .qr{
  width:120px;height:120px;margin:16px auto 0;border-radius:12px;
  border:1px dashed #b9d3e7;background:var(--brand-050);
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;color:var(--brand-600);text-align:center;padding:8px;line-height:1.6;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:20px;max-width:300px;}
.socials{display:flex;gap:12px;margin-top:24px;}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.socials a:hover{border-color:var(--accent-500);color:var(--accent-500);}
.socials svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.75;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.02em;}
.footer-col a,.footer-col li{display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.62);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent-500);}
.footer-col .contact-line{font-size:14px;line-height:2;color:rgba(255,255,255,.62);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 移动端固定条 ============ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);box-shadow:var(--shadow-m);
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.mobile-bar span{font-size:13px;color:var(--ink-600);}
.mobile-bar .btn{height:38px;padding:0 18px;font-size:13.5px;}

@media (max-width:1200px){
  .hero-cards{min-height:560px;}
  .poster-main{width:290px;}
  .poster-sub{width:150px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero{padding:120px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-cards{min-height:0;padding:8px 0;}
  .clip-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .steps-wrap{padding:8px 20px;}
}
@media (max-width:768px){
  .dock-nav{display:none;}
  .burger{display:inline-flex;}
  .dock{padding:0 10px 0 16px;gap:10px;}
  .logo-text strong{font-size:14.5px;}
  .logo-text em{font-size:11px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .hero{padding:112px 0 48px;}
  .hero-stats{gap:24px;margin-top:32px;}
  .clip-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;}
  .step-item{border-bottom:1px solid var(--line);}
  .steps-wrap{padding:4px 16px;}
  .metrics{grid-template-columns:1fr 1fr;gap:20px;padding:36px 0;}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);padding-bottom:20px;}
  .poster-sub{display:none;}
  .poster-main{width:min(260px,100%);}
  .cta-band{padding:28px 22px;}
  .site-footer{margin-top:64px;padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
  .review-card{flex:0 0 260px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero-title{font-size:clamp(28px,7.6vw,34px);}
  .hero-actions .btn{width:100%;}
  .dock-right .btn{display:none;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);padding-bottom:18px;}
  .metric:last-child{border-bottom:0;padding-bottom:0;}
  .cta-card{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand-600:#1C6BA8;
  --brand-700:#14527F;
  --brand-050:#EAF2F9;
  --accent-500:#F2762E;
  --accent-600:#DD6520;
  --mint-500:#2AA79B;
  --ink-900:#10202E;
  --ink-600:#46617A;
  --ink-400:#7C90A3;
  --line:#E4ECF4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --shadow-s:0 1px 2px rgba(16,42,67,.04),0 4px 12px rgba(16,42,67,.06);
  --shadow-m:0 10px 30px rgba(16,42,67,.10);
  --radius-lg:16px;
  --radius-sm:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Inter","Barlow",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section--tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-600);background:var(--brand-050);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.section-head{max-width:740px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;margin-bottom:14px}
.section-head p{font-size:16px;line-height:1.85;color:var(--ink-600)}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px}
.dock{
  width:min(1160px,100%);margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 20px;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-s);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck .dock{height:56px;box-shadow:var(--shadow-m)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-050);color:var(--brand-600);flex:0 0 auto;
}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.logo-text strong{display:block;font-size:15.5px;line-height:1.2;color:var(--ink-900);font-weight:700}
.logo-text em{display:block;font-style:normal;font-size:11.5px;line-height:1.4;color:var(--ink-400);letter-spacing:.08em}
.dock-nav{display:flex;align-items:center;gap:6px;margin:0 auto}
.dock-nav .nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14.5px;font-weight:500;color:var(--ink-600);
  border-radius:999px;transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.dock-nav .nav-link:hover{color:var(--brand-600);background:var(--brand-050)}
.dock-nav .nav-link.active{color:var(--brand-600);font-weight:600}
.dock-nav .nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand-600);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto}
.dock-nav + .dock-actions{margin-left:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-600);cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-600);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  cursor:pointer;place-items:center;color:var(--ink-900);
}
.menu-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round}
.mobile-menu{
  display:none;width:min(1160px,100%);margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-m);padding:8px;overflow:hidden;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:14px 16px;font-size:15px;font-weight:500;color:var(--ink-900);border-bottom:1px solid var(--line);border-radius:10px}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.active{color:var(--brand-600);background:var(--brand-050)}
.mobile-menu a:hover{background:var(--brand-050)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(242,118,46,.22)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,118,46,.28)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-050);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-white{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-s)}
.btn-white:hover{transform:translateY(-1px);box-shadow:var(--shadow-m)}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:15px}
.btn-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.btn-link:hover svg{transform:translateX(3px)}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;padding:44px 0 24px;overflow:hidden}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{
  font-size:clamp(30px,3.9vw,44px);line-height:1.22;letter-spacing:-.5px;margin-bottom:18px;
}
.hero-copy .lead{font-size:16.5px;line-height:1.9;color:var(--ink-600);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:36px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-size:24px;font-weight:700;color:var(--brand-600);line-height:1.2;font-family:"Inter","Barlow",system-ui,sans-serif}
.hero-stats span{font-size:13px;color:var(--ink-400);letter-spacing:.02em}
.hero-visual{position:relative}
.hero-card{
  position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-m);aspect-ratio:4/3;
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.18) 0%,rgba(255,255,255,.62) 100%);
}
.hero-card figcaption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-s);
  padding:14px 16px;font-size:13.5px;line-height:1.6;color:var(--ink-600);
}
.hero-card figcaption b{display:block;color:var(--ink-900);font-size:14.5px;margin-bottom:2px}
.rings{position:absolute;right:-70px;top:-50px;width:360px;height:360px;pointer-events:none;z-index:1}
.rings span{position:absolute;inset:0;border:1px solid rgba(28,107,168,.16);border-radius:50%}
.rings span:nth-child(2){inset:54px}
.rings span:nth-child(3){inset:108px}

/* ---------- 步骤时间轴 ---------- */
.timeline{max-width:820px;margin:0 auto;position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:19px;top:10px;bottom:34px;width:2px;background:var(--line);border-radius:2px}
.tl-item{position:relative;display:flex;gap:24px;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-index{
  position:relative;z-index:2;flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--accent-500);color:var(--accent-500);
  display:grid;place-items:center;font-size:13.5px;font-weight:700;
  font-family:"Inter","Barlow",system-ui,sans-serif;letter-spacing:.02em;
}
.tl-body{
  flex:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px 24px;box-shadow:var(--shadow-s);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.tl-body:hover{box-shadow:var(--shadow-m);transform:translateY(-2px);border-color:#D5E5F2}
.tl-body h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.tl-body p{font-size:15px;line-height:1.8;color:var(--ink-600)}
.tl-note{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:13px;color:var(--brand-600);background:var(--brand-050);
  border-radius:999px;padding:3px 12px;
}

/* ---------- 准备卡 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prep-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.prep-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.prep-body{padding:22px 22px 26px}
.prep-body h3{font-size:18px;margin-bottom:8px}
.prep-body p{font-size:14.5px;line-height:1.8;color:var(--ink-600)}
.tag{
  display:inline-block;height:26px;line-height:24px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--mint-500);border:1px solid rgba(42,167,155,.45);
  background:rgba(42,167,155,.08);margin-bottom:12px;
}

/* ---------- 提示清单 ---------- */
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;max-width:1040px}
.check-item{
  display:grid;grid-template-columns:auto 1fr;gap:14px;
  padding:20px 16px;border-bottom:1px solid var(--line);border-radius:10px;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.check-item:hover{background:var(--brand-050);box-shadow:inset 3px 0 0 var(--accent-500)}
.check-dot{
  width:30px;height:30px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);
  display:grid;place-items:center;flex:0 0 auto;margin-top:2px;
}
.check-dot svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.check-item h3{font-size:16px;line-height:1.55;margin-bottom:4px}
.check-item p{font-size:14px;line-height:1.75;color:var(--ink-600)}

/* ---------- 中部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-050);border:1px solid #D8E7F3;border-radius:20px;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,27px);line-height:1.35;color:var(--brand-700);margin-bottom:10px}
.cta-band p{font-size:15px;line-height:1.8;color:var(--ink-600);max-width:560px}
.cta-band .ring-deco{
  position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(28,107,168,.16);pointer-events:none;
}
.cta-band .ring-deco::after{content:"";position:absolute;inset:60px;border:1px solid rgba(28,107,168,.14);border-radius:50%}
.cta-band .band-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:820px;margin:0 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-s);overflow:hidden;
}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:last-child{border-bottom:0}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .2s var(--ease);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{background:var(--bg)}
.faq-list summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;font-weight:500;line-height:1;
  color:var(--brand-600);background:var(--brand-050);transition:transform .2s var(--ease);
}
.faq-list details[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-600)}

/* ---------- 尾部 CTA ---------- */
.end-cta{
  position:relative;overflow:hidden;
  background:var(--brand-050);border:1px solid #D8E7F3;border-radius:20px;
  padding:40px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  background-image:linear-gradient(90deg,rgba(234,242,249,.94),rgba(234,242,249,.86)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.end-cta h2{font-size:clamp(21px,2.3vw,26px);line-height:1.35;color:var(--brand-700);margin-bottom:10px}
.end-cta p{font-size:15px;line-height:1.8;color:var(--ink-600);max-width:520px}
.end-cta .end-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
.end-card{
  flex:0 0 172px;background:#fff;border-radius:var(--radius-sm);box-shadow:var(--shadow-s);
  padding:14px;text-align:center;
}
.end-card img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:10px;margin-bottom:10px}
.end-card span{font-size:12.5px;line-height:1.6;color:var(--ink-600)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.site-footer .logo{margin-bottom:18px}
.site-footer .logo-mark{background:rgba(255,255,255,.08);color:#fff}
.site-footer .logo-text strong{color:#fff;font-size:16px}
.site-footer .logo-text em{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;color:rgba(255,255,255,.7);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.socials a:hover{color:var(--accent-500);border-color:rgba(242,118,46,.5);transform:translateY(-2px)}
.socials svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.66);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent-500)}
.contact-line{font-size:14px;padding:6px 0;color:rgba(255,255,255,.64);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .dock-nav .nav-link{padding:8px 9px;font-size:14px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  body{padding-top:96px}
  .dock-nav{display:none}
  .menu-toggle{display:grid}
  .dock{height:60px;padding:0 10px 0 16px;gap:12px}
  .site-header.is-stuck .dock{height:56px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-copy .lead{max-width:none}
  .hero-card{aspect-ratio:16/10}
  .prep-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
  .end-cta{flex-direction:column;align-items:flex-start;padding:34px}
  .end-card{flex:0 0 auto;width:100%;max-width:280px;display:flex;align-items:center;gap:14px;text-align:left}
  .end-card img{width:64px;aspect-ratio:1/1;margin-bottom:0}
}
@media (max-width:767px){
  .check-list{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .hero-stats{gap:26px}
}
@media (max-width:639px){
  body{padding-top:90px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero-copy h1{font-size:clamp(26px,7vw,32px);letter-spacing:-.2px}
  .hero-card{aspect-ratio:4/3}
  .hero-card figcaption{left:12px;right:12px;bottom:12px;padding:12px}
  .prep-grid{grid-template-columns:1fr}
  .timeline::before{left:15px}
  .tl-index{width:32px;height:32px;flex:0 0 32px;font-size:12px}
  .tl-item{gap:16px;padding-bottom:20px}
  .tl-body{padding:16px 16px 18px}
  .tl-body h3{font-size:16.5px}
  .tl-body p{font-size:14.5px;line-height:1.75}
  .cta-band,.end-cta{padding:26px 22px;border-radius:16px}
  .btn{height:44px;padding:0 22px;font-size:14.5px}
  .btn-sm{height:36px;padding:0 16px;font-size:13.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px}
  .site-footer{padding-top:52px;margin-top:64px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12.5px}
  .faq-list summary{padding:16px 18px;font-size:15px}
  .faq-answer{padding:0 18px 18px;font-size:14.5px}
  .rings{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .prep-card:hover,.tl-body:hover,.btn:hover,.socials a:hover,.icon-btn:hover{transform:none !important}
}

/* roulang page: article */
:root{
  --brand-600:#1C6BA8;
  --brand-700:#14527F;
  --brand-050:#EAF2F9;
  --accent-500:#F2762E;
  --accent-600:#DA631F;
  --mint-500:#2AA79B;
  --ink-900:#10202E;
  --ink-600:#46617A;
  --ink-400:#7C90A3;
  --line:#E4ECF4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --shadow-s:0 1px 2px rgba(16,42,67,.04),0 4px 12px rgba(16,42,67,.06);
  --shadow-m:0 10px 30px rgba(16,42,67,.10);
  --radius-l:16px;
  --radius-m:12px;
  --radius-pill:999px;
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.article-page{padding-bottom:0}
img{max-width:100%;height:auto;display:block;border:0}
svg{display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{color:var(--ink-900);margin:0;line-height:1.35;font-weight:700}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
::selection{background:rgba(28,107,168,.16);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;background:transparent;pointer-events:none}
.read-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--brand-600),var(--accent-500));transition:width .12s linear}

/* 浮动 Dock 导航 */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 0;transition:padding .2s var(--ease)}
.dock-wrap{width:min(1160px,calc(100% - 32px));margin:0 auto;position:relative}
.dock{
  display:flex;align-items:center;gap:18px;height:64px;padding:0 12px 0 18px;
  border-radius:var(--radius-pill);background:rgba(255,255,255,.9);
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:height .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-stuck .dock{height:56px;box-shadow:var(--shadow-m);background:rgba(255,255,255,.96)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(160deg,#F5FAFF,var(--brand-050));border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-600);flex:0 0 auto}
.logo-mark svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.logo-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.logo-text strong{font-size:15px;color:var(--ink-900);letter-spacing:.2px;white-space:nowrap}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-400);letter-spacing:.08em;margin-top:2px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;border-radius:var(--radius-pill);font-size:14.5px;font-weight:500;color:var(--ink-600);white-space:nowrap;transition:color .2s var(--ease),background .2s var(--ease)}
.nav-link:hover{color:var(--brand-600);background:var(--brand-050)}
.nav-link.active{color:var(--brand-600);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:50%;bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--accent-500);transform:translateX(-50%)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-600);background:#fff;transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease)}
.icon-btn:hover{color:var(--brand-600);border-color:var(--brand-600);transform:translateY(-1px)}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(242,118,46,.22)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,118,46,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:#fff;color:var(--brand-600);border-color:var(--brand-600)}
.btn-secondary:hover{background:var(--brand-050);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--brand-600);padding:0 8px}
.btn-ghost:hover{color:var(--brand-700)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:14.5px;white-space:nowrap}
.text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-600);place-items:center;flex:0 0 auto}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.mobile-panel{display:none;margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-m);padding:8px}
.mobile-panel.open{display:block}
.mobile-panel a{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 16px;border-radius:12px;font-size:15px;color:var(--ink-600);border-bottom:1px solid var(--line)}
.mobile-panel a:last-child{border-bottom:0}
.mobile-panel a:hover{background:var(--brand-050);color:var(--brand-600)}
.mobile-panel a.active{color:var(--brand-600);background:var(--brand-050);font-weight:600}

/* 文章头部 */
.article-hero{position:relative;overflow:hidden;padding:38px 0 18px;background:linear-gradient(180deg,var(--brand-050) 0%,rgba(234,242,249,0) 100%)}
.hero-waves{position:absolute;right:-90px;top:-120px;width:440px;opacity:.075;pointer-events:none}
.hero-waves svg{width:100%;height:auto}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:22px;position:relative}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C3D2E0}
.breadcrumb .current{color:var(--ink-600);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{position:relative;font-size:clamp(30px,4vw,44px);line-height:1.24;letter-spacing:-.5px;max-width:920px;margin-bottom:20px}
.meta-row{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-400)}
.chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1}
.chip-cat{color:#1F7F76;background:rgba(42,167,155,.1);border:1px solid rgba(42,167,155,.34)}
.chip-soft{background:#fff;border:1px solid var(--line);color:var(--ink-600);font-weight:500}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3D2E0}

/* 阅读布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 220px;gap:48px;justify-content:center;align-items:start;padding:34px 0 72px}
.article-body{min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-s);padding:44px 48px 48px;font-size:17px;line-height:1.95;color:var(--ink-600);overflow-wrap:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:clamp(21px,2.4vw,25px);line-height:1.42;color:var(--ink-900);margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand-600);border-radius:2px}
.article-body h3{font-size:20px;line-height:1.5;color:var(--ink-900);margin:28px 0 12px}
.article-body h4{font-size:17px;color:var(--ink-900);margin:22px 0 10px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body li{margin:6px 0;line-height:1.9}
.article-body li::marker{color:var(--brand-600)}
.article-body a{color:var(--brand-600);border-bottom:1px solid rgba(28,107,168,.35);transition:color .2s var(--ease),border-color .2s var(--ease)}
.article-body a:hover{color:var(--brand-700);border-bottom-color:var(--accent-500)}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--brand-050);border-left:3px solid var(--accent-500);border-radius:10px;color:var(--ink-600);font-size:16px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:24px 0 10px;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:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--brand-050);color:var(--ink-900);font-weight:600}
.article-body code{background:var(--brand-050);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-700)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-empty{text-align:center;padding:54px 20px 58px}
.article-empty h2{display:inline-block;margin:0 0 10px;padding:0;border:0;font-size:24px;color:var(--ink-900)}
.article-empty p{margin:0 0 22px;font-size:15px;color:var(--ink-400)}
.article-empty .btn{margin:0 auto}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:100px;align-self:start}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:20px;box-shadow:var(--shadow-s)}
.side-card h2,.side-card h3{font-size:14px;color:var(--ink-900);letter-spacing:.04em;margin:0 0 12px}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;padding:0;margin:0}
.toc-list a{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;font-size:13.5px;color:var(--ink-600);transition:background .2s var(--ease),color .2s var(--ease)}
.toc-list a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--mint-500);flex:0 0 auto}
.toc-list a:hover{background:var(--brand-050);color:var(--brand-600)}
.side-info dl{margin:0;display:grid;gap:11px}
.side-info dt{font-size:12px;color:var(--ink-400);letter-spacing:.04em}
.side-info dd{margin:2px 0 0;font-size:13.5px;color:var(--ink-900);font-weight:500;word-break:break-word;line-height:1.7}
.side-note{margin:14px 0 0;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;line-height:1.75;color:var(--ink-400)}

/* 板块 */
.section{padding:64px 0}
.section-tight{padding:0 0 64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.3px}
.section-head p{margin:8px 0 0;max-width:620px;font-size:14.5px;color:var(--ink-600)}
.section-eyebrow{font-size:12.5px;letter-spacing:.14em;color:var(--brand-600);font-weight:600;margin:0 0 8px}

/* 卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.info-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#D3E3F1}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-050)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.info-card:hover .card-media img{transform:scale(1.03)}
.card-tag{position:absolute;left:12px;top:12px;height:26px;display:inline-flex;align-items:center;padding:0 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;color:#1F7F76;background:rgba(255,255,255,.92);border:1px solid rgba(42,167,155,.34)}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17.5px;line-height:1.48}
.card-body p{margin:0;font-size:14px;line-height:1.75;color:var(--ink-600)}
.card-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--ink-400)}

/* 上一篇 / 下一篇 */
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pager-card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:22px 24px;box-shadow:var(--shadow-s);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:rgba(28,107,168,.4)}
.pager-label{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-400);letter-spacing:.04em}
.pager-label svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pager-title{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5}
.pager-desc{margin:0;font-size:13.5px;color:var(--ink-400)}
.pager-card.next{text-align:right;align-items:flex-end}
.pager-card.next .pager-label{flex-direction:row-reverse}

/* 尾部 CTA */
.cta-band{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;border-radius:20px;background:var(--brand-050);border:1px solid #D9E7F3;padding:36px 40px}
.cta-band::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;opacity:.09;pointer-events:none}
.cta-copy{position:relative;max-width:640px}
.cta-copy h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:8px}
.cta-copy p{margin:0;font-size:14.5px;line-height:1.8;color:var(--ink-600)}
.cta-band .btn{position:relative;flex:0 0 auto}
.cta-side{position:relative;flex:0 0 auto;width:150px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow-s);text-align:center}
.cta-side strong{display:block;font-size:13px;color:var(--ink-900)}
.cta-side span{display:block;font-size:12px;color:var(--ink-400);margin-top:4px}

/* 页脚 */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#9FC6E4}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.5)}
.footer-brand p{margin:0 0 18px;max-width:330px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.socials{display:flex;gap:10px}
.socials a{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.14);display:grid;place-items:center;color:rgba(255,255,255,.7);transition:color .2s var(--ease),border-color .2s var(--ease)}
.socials a:hover{color:var(--accent-500);border-color:rgba(242,118,46,.5)}
.socials svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.footer-col h4{font-size:13px;color:#fff;margin:0 0 16px;letter-spacing:.06em}
.footer-col a{display:block;padding:5px 0;font-size:13.5px;color:rgba(255,255,255,.62);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent-500)}
.contact-line{font-size:13.5px;color:rgba(255,255,255,.62);padding:5px 0}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.42)}

/* 移动端底部直达 */
.mobile-cta{display:none}

@media (max-width:1023px){
  .dock-nav{display:none}
  .nav-toggle{display:grid}
  .dock-cta{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:24px;padding:26px 0 56px}
  .article-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px 30px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-tight{padding:0 0 48px}
  .article-hero{padding:24px 0 12px}
  .breadcrumb{margin-bottom:16px}
  .article-body{padding:28px 20px 32px;font-size:16px;line-height:1.9}
  .article-body h2{margin-top:32px}
  .meta-row{font-size:12.5px}
  .card-grid{grid-template-columns:1fr}
  .pager-grid{grid-template-columns:1fr}
  .pager-card.next{text-align:left;align-items:flex-start}
  .pager-card.next .pager-label{flex-direction:row}
  .cta-band{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-side{display:none}
  .article-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  body{padding-bottom:76px}
  .mobile-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:90;height:60px;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(16,42,67,.08);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
  .mobile-cta span{font-size:12.5px;color:var(--ink-400);line-height:1.4}
  .mobile-cta .btn{height:40px;padding:0 20px;font-size:14px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .dock-wrap{width:calc(100% - 24px)}
  .dock{height:60px;gap:8px;padding:0 8px 0 10px}
  .site-header{padding-top:12px}
  .logo-text em{display:none}
  .logo-text strong{font-size:13.5px;max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .logo-mark{width:34px;height:34px;border-radius:10px}
  .icon-btn{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .article-hero h1{font-size:28px}
  .cta-band{padding:26px 20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .info-card:hover,.pager-card:hover,.btn:hover{transform:none !important}
}

/* roulang page: category2 */
:root{
  --brand-600:#1C6BA8;
  --brand-700:#14527F;
  --brand-050:#EAF2F9;
  --accent-500:#F2762E;
  --accent-600:#DD6520;
  --mint-500:#2AA79B;
  --ink-900:#10202E;
  --ink-600:#46617A;
  --ink-400:#7C90A3;
  --line:#E4ECF4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --shadow-s:0 1px 2px rgba(16,42,67,.04), 0 4px 12px rgba(16,42,67,.06);
  --shadow-m:0 10px 30px rgba(16,42,67,.10);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  padding-bottom:84px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.2;letter-spacing:-.5px;}
h2{font-size:clamp(23px,2.7vw,32px);line-height:1.32;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent-500);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:min(1200px,100% - 48px);margin-inline:auto;}
@media (max-width:520px){.container{width:min(1200px,100% - 36px);}}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:60;display:flex;justify-content:center;padding:0 16px;}
.dock{
  display:flex;align-items:center;gap:14px;
  width:min(1160px,100%);
  height:64px;padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-s);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.dock.is-stuck{height:56px;box-shadow:var(--shadow-m);}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink-900);flex:0 0 auto;}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  display:grid;place-items:center;width:36px;height:36px;border-radius:12px;
  background:var(--brand-050);border:1px solid #D3E4F1;color:var(--brand-600);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.logo:hover .logo-mark{background:#DCEBF7;transform:translateY(-1px);}
.logo-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.logo-text strong{display:block;font-size:15px;font-weight:700;line-height:1.25;letter-spacing:.2px;}
.logo-text em{display:block;font-style:normal;font-size:11.5px;color:var(--ink-400);line-height:1.4;letter-spacing:.02em;}
.dock-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-600);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-050);}
.nav-link.active{color:var(--brand-600);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--accent-500);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-600);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--brand-600);color:var(--brand-600);background:var(--brand-050);}
.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;margin:0 auto;border-radius:2px;background:var(--ink-900);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:#fff;border-radius:0 0 20px 20px;
  box-shadow:var(--shadow-m);padding:88px 20px 22px;
  transform:translateY(-110%);transition:transform .25s var(--ease);
}
.mobile-drawer.open{transform:translateY(0);}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 4px;font-size:16px;font-weight:500;color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a:last-of-type{border-bottom:0;}
.mobile-drawer a.active{color:var(--brand-600);font-weight:600;}
.mobile-drawer .drawer-cta{margin-top:16px;justify-content:center;height:46px;border-radius:999px;background:var(--accent-500);color:#fff;font-weight:600;border-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(242,118,46,.22);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,118,46,.28);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:#BFD8EA;}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);border-color:var(--brand-600);transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand-600);}
.btn-text svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
.btn-text:hover svg{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:760px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--brand-600);
  background:var(--brand-050);border:1px solid #D8E8F4;border-radius:999px;
  height:28px;padding:0 14px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);}
.lede{font-size:16.5px;line-height:1.85;color:var(--ink-600);max-width:60ch;}
.section-head p{font-size:15.5px;line-height:1.85;color:var(--ink-600);margin-top:12px;max-width:66ch;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{padding:20px 0 40px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-120px;top:-60px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(28,107,168,.07);box-shadow:0 0 0 40px rgba(28,107,168,.03),0 0 0 90px rgba(28,107,168,.02);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;position:relative;z-index:1;}
.hero-copy h1{margin-bottom:16px;}
.hero-copy .lede{margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 30px;padding-top:22px;border-top:1px solid var(--line);}
.hero-stats li{min-width:110px;}
.hero-stats strong{display:block;font-size:19px;font-weight:700;color:var(--brand-600);line-height:1.4;}
.hero-stats span{display:block;font-size:13px;color:var(--ink-400);line-height:1.6;}
.hero-visual{position:relative;}
.hero-card{
  position:relative;margin:0;border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-m);border:1px solid #E9F1F8;background:#fff;
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.42),rgba(255,255,255,.12));
}
.hero-card figcaption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:12px;
  padding:12px 16px;font-size:13.5px;line-height:1.7;color:var(--ink-600);
  box-shadow:var(--shadow-s);
}
.hero-card figcaption strong{color:var(--ink-900);font-weight:600;}
.float-card{
  position:absolute;left:-16px;bottom:-20px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--shadow-m);
}
.float-card .fc-num{font-size:22px;font-weight:700;color:var(--accent-500);line-height:1;}
.float-card .fc-txt{font-size:13px;line-height:1.5;color:var(--ink-600);}
.float-card .fc-txt strong{display:block;color:var(--ink-900);font-size:13.5px;font-weight:600;}

/* ---------- 步骤时间轴 ---------- */
.steps{max-width:820px;margin:0 auto;position:relative;padding-left:0;}
.steps::before{
  content:"";position:absolute;left:23px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--brand-050),var(--line) 40%,var(--line) 70%,var(--brand-050));
}
.step{position:relative;display:flex;gap:20px;padding-bottom:22px;}
.step:last-child{padding-bottom:0;}
.step-dot{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:#fff;border:2px solid #F6C7A8;color:var(--brand-600);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--shadow-s);z-index:1;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.step-body{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:var(--shadow-s);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.step-body h3{margin-bottom:6px;}
.step-body p{font-size:14.5px;line-height:1.8;color:var(--ink-600);margin:0;}
.step:hover .step-body{box-shadow:var(--shadow-m);transform:translateY(-2px);border-color:#D3E4F1;}
.step:hover .step-dot{border-color:var(--accent-500);color:var(--accent-500);}

/* ---------- 设备适配 ---------- */
.device-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch;}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;gap:14px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.device-card:hover{box-shadow:var(--shadow-m);transform:translateY(-2px);}
.device-card.is-accent{background:var(--brand-050);border-color:#D3E4F1;}
.device-card h3{display:flex;align-items:center;gap:10px;}
.device-card h3 .tag{
  font-size:12px;font-weight:600;color:var(--mint-500);
  border:1px solid #BFE6E2;background:#F1FAF9;border-radius:999px;padding:2px 10px;line-height:1.6;
}
.device-list li{
  position:relative;padding-left:22px;font-size:14.5px;line-height:1.85;color:var(--ink-600);
  margin-bottom:8px;
}
.device-list li:last-child{margin-bottom:0;}
.device-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--brand-600);opacity:.55;
}
.device-figure{margin:0;border-radius:12px;overflow:hidden;border:1px solid #E3EDF6;background:#fff;}
.device-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.device-figure figcaption{font-size:12.5px;color:var(--ink-400);padding:10px 14px;line-height:1.6;}

/* ---------- 提示对照 ---------- */
.tip-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);overflow:hidden;
}
.tip-row{
  display:grid;grid-template-columns:230px 1fr;gap:20px;align-items:start;
  padding:20px 26px;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.tip-row:last-child{border-bottom:0;}
.tip-row:hover{background:#FAFCFE;}
.tip-row:hover .tip-tag{color:var(--brand-700);border-color:var(--brand-600);}
.tip-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border:1px solid #D8E8F4;border-radius:999px;
  padding:5px 14px;line-height:1.6;justify-self:start;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.tip-row p{font-size:14.5px;line-height:1.85;color:var(--ink-600);margin:0;}

/* ---------- 自查清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--shadow-s);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:#D3E4F1;}
.check-item .ck{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--brand-050);
  display:grid;place-items:center;color:var(--brand-600);margin-top:2px;
}
.check-item .ck svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;}
.check-item h3{font-size:16px;margin-bottom:4px;}
.check-item p{font-size:14px;line-height:1.8;color:var(--ink-600);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);overflow:hidden;
}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:#FAFCFE;color:var(--brand-700);}
.faq .faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--brand-600);
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.faq .faq-icon svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;}
.faq details[open] summary .faq-icon{transform:rotate(45deg);border-color:var(--accent-500);color:var(--accent-500);}
.faq .faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--ink-600);}
.faq .faq-answer p{margin:0;}

/* ---------- 尾部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;background:var(--brand-050);border:1px solid #D8E8F4;
  padding:40px;display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.08;pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{margin-bottom:10px;}
.cta-band p{font-size:15px;line-height:1.8;color:var(--ink-600);max-width:56ch;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-badge{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-s);margin-top:20px;max-width:360px;
}
.cta-badge .qr{
  width:52px;height:52px;border-radius:10px;background:var(--brand-600);color:#fff;
  display:grid;place-items:center;flex:0 0 auto;
}
.cta-badge .qr svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.cta-badge span{font-size:13px;line-height:1.6;color:var(--ink-600);}
.cta-badge span strong{display:block;color:var(--ink-900);font-size:13.5px;}

/* ---------- 移动端底部条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:64px;padding:0 16px;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(16,42,67,.08);
}
.mobile-bar-text{font-size:13.5px;line-height:1.5;color:var(--ink-600);}
.mobile-bar-text strong{display:block;color:var(--ink-900);font-size:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#A7BACB;padding:56px 0 0;margin-top:48px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff;}
.footer-brand .logo-text em{color:#88A1B7;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB3C6;max-width:36ch;}
.socials{display:flex;gap:10px;margin-top:18px;}
.socials a{
  width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;color:#C7D6E3;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.socials a:hover{color:var(--accent-500);border-color:var(--accent-500);transform:translateY(-2px);}
.socials svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:600;}
.footer-col a{display:block;font-size:14px;color:#9FB3C6;padding:5px 0;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent-500);}
.contact-line{font-size:14px;color:#9FB3C6;padding:5px 0;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 26px;font-size:13px;color:#7E96AB;line-height:1.7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .dock-nav{display:none;}
  .dock-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .dock{justify-content:space-between;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero{padding-top:8px;}
  .device-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:32px 26px;}
  .check-grid{grid-template-columns:1fr;}
  .float-card{position:static;margin-top:16px;box-shadow:var(--shadow-s);}
}
@media (max-width:640px){
  body{padding-top:88px;}
  .logo-text em{display:none;}
  .tip-row{grid-template-columns:1fr;gap:10px;padding:18px 20px;}
  .hero-stats{gap:14px 22px;}
  .hero-stats li{min-width:calc(50% - 12px);}
  .step{gap:14px;}
  .step-dot{width:40px;height:40px;font-size:13.5px;}
  .steps::before{left:19px;}
  .step-body{padding:16px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq summary{padding:16px 18px;font-size:15px;}
  .faq .faq-answer{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:26px 20px;border-radius:16px;}
}
@media (min-width:1024px){
  body{padding-bottom:0;}
  .mobile-bar{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand-600:#1C6BA8;
  --brand-700:#14527F;
  --brand-050:#EAF2F9;
  --accent-500:#F2762E;
  --accent-600:#DA641F;
  --mint-500:#2AA79B;
  --mint-050:#E8F6F4;
  --ink-900:#10202E;
  --ink-600:#46617A;
  --ink-400:#7C90A3;
  --line:#E4ECF4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --shadow-s:0 1px 2px rgba(16,42,67,.04),0 4px 12px rgba(16,42,67,.06);
  --shadow-m:0 10px 30px rgba(16,42,67,.10);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
h1,h2,h3,h4{color:var(--ink-900);font-family:var(--ff);font-weight:700;line-height:1.3;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.12em;
  color:var(--brand-600);text-transform:uppercase;
  background:var(--brand-050);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--mint-500);}
.section-head h2{font-size:clamp(24px,2.8vw,34px);letter-spacing:-.3px;}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--ink-600);max-width:640px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 18px rgba(242,118,46,.24);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(242,118,46,.30);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-600);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-700);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
  color:var(--brand-600);background:none;border:0;padding:0;
}
.btn-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease);}
.btn-link:hover svg{transform:translateX(3px);}

/* ---------- dock nav ---------- */
.dock-header{position:fixed;top:0;left:0;right:0;z-index:120;pointer-events:none;}
.dock{
  pointer-events:auto;
  position:relative;
  margin:16px auto 0;
  width:min(1160px,calc(100% - 32px));
  height:64px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.90);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-s);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.dock.is-stuck{height:56px;box-shadow:var(--shadow-m);}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-050);color:var(--brand-600);flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.dock-brand-text{display:flex;flex-direction:column;line-height:1.25;}
.dock-brand-text strong{font-size:15px;font-weight:700;color:var(--ink-900);letter-spacing:-.2px;}
.dock-brand-text em{font-size:11px;font-style:normal;color:var(--ink-400);letter-spacing:.02em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--ink-600);
  transition:background .2s var(--ease),color .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{background:var(--brand-050);color:var(--brand-700);}
.nav-link.active{background:var(--brand-050);color:var(--brand-600);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--accent-500);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.dock-toggle svg{width:20px;height:20px;stroke:var(--ink-900);fill:none;stroke-width:1.9;stroke-linecap:round;}
.dock-drawer{
  pointer-events:auto;
  display:none;
  margin:10px auto 0;
  width:min(1160px,calc(100% - 32px));
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-m);overflow:hidden;
}
.dock-drawer.open{display:block;}
.dock-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 20px;font-size:15px;font-weight:500;color:var(--ink-600);
  border-bottom:1px solid var(--line);
}
.dock-drawer a:last-child{border-bottom:0;}
.dock-drawer a.active{color:var(--brand-600);font-weight:600;background:var(--brand-050);}

/* ---------- hero ---------- */
.hero{position:relative;padding:150px 0 72px;overflow:hidden;}
.hero-deco{position:absolute;top:90px;right:-140px;width:520px;height:520px;pointer-events:none;opacity:.55;}
.hero-deco span{position:absolute;inset:0;border:1px solid rgba(28,107,168,.10);border-radius:50%;}
.hero-deco span:nth-child(2){inset:70px;}
.hero-deco span:nth-child(3){inset:140px;}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(30px,4vw,44px);line-height:1.2;letter-spacing:-.6px;color:var(--ink-900);
  margin-bottom:18px;
}
.hero h1 .hl{color:var(--brand-600);}
.hero-sub{font-size:16.5px;line-height:1.85;max-width:520px;color:var(--ink-600);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-note{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;
}
.pill-note{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);
  font-size:13px;color:var(--ink-600);
}
.pill-note i{width:7px;height:7px;border-radius:50%;background:var(--mint-500);display:inline-block;}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--shadow-m);
  border:1px solid rgba(255,255,255,.6);
}
.hero-badge{
  position:absolute;left:-14px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-m);padding:12px 16px;max-width:230px;
}
.hero-badge b{display:block;font-size:13px;color:var(--ink-900);font-weight:700;}
.hero-badge span{display:block;font-size:12.5px;color:var(--ink-400);margin-top:2px;}

/* ---------- filter chips ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  height:36px;padding:0 18px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--ink-600);font-size:14px;font-weight:500;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-1px);}
.chip.is-active{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600;}

/* ---------- card grid ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#D6E4F0;}
.card-cover{position:relative;overflow:hidden;background:var(--brand-050);}
.card-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .2s var(--ease);}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover .cover-tag{
  position:absolute;left:12px;top:12px;
  height:26px;padding:0 12px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);background:rgba(255,255,255,.92);
  color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
  border:1px solid rgba(42,167,155,.35);
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17.5px;line-height:1.5;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.card-body p{font-size:14px;line-height:1.78;color:var(--ink-600);}
.card-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--ink-400);
}
.card-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--ink-400);display:inline-block;}
.card-meta .arrow{margin-left:auto;color:var(--brand-600);font-weight:600;}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:44px;}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--ink-600);
  transition:all .2s var(--ease);
}
.pager a:hover{border-color:var(--brand-600);color:var(--brand-600);transform:translateY(-1px);}
.pager .current{background:var(--brand-600);border-color:var(--brand-600);color:#fff;font-weight:600;}

/* ---------- checklist ---------- */
.checklist-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-s);padding:8px 28px;}
.check-row{
  display:flex;align-items:flex-start;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.check-row:last-child{border-bottom:0;}
.check-row:hover{background:var(--brand-050);}
.check-num{
  font-size:24px;font-weight:700;color:var(--brand-600);line-height:1.2;
  min-width:44px;letter-spacing:-.5px;
}
.check-txt h3{font-size:16.5px;font-weight:600;color:var(--ink-900);margin-bottom:4px;}
.check-txt p{font-size:14px;line-height:1.78;color:var(--ink-600);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-s);padding:0 22px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:#CFE1F0;box-shadow:var(--shadow-m);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;gap:14px;
  padding:20px 0;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  margin-left:auto;flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item[open] summary .sign{transform:rotate(180deg);background:var(--accent-500);color:#fff;}
.faq-answer{padding:0 0 22px;font-size:14.5px;line-height:1.9;color:var(--ink-600);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;border-radius:20px;overflow:hidden;
  background-image:linear-gradient(rgba(234,242,249,.94),rgba(234,242,249,.94)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  border:1px solid #DCE9F4;
  padding:44px 48px;
  display:flex;align-items:center;gap:40px;justify-content:space-between;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);letter-spacing:-.3px;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--ink-600);max-width:520px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-qr{
  flex-shrink:0;width:160px;height:160px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
}
.cta-qr svg{width:56px;height:56px;stroke:var(--brand-600);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.cta-qr span{font-size:12.5px;color:var(--ink-400);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:#B9C7D4;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px;}
.site-footer .logo{display:flex;align-items:center;gap:12px;color:#fff;}
.site-footer .logo-mark{background:rgba(255,255,255,.08);color:#fff;}
.site-footer .logo-text{display:flex;flex-direction:column;line-height:1.3;}
.site-footer .logo-text strong{font-size:15.5px;color:#fff;letter-spacing:-.2px;}
.site-footer .logo-text em{font-size:11.5px;font-style:normal;color:#7C90A3;}
.footer-brand p{font-size:14px;line-height:1.9;color:#93A6B6;margin-top:18px;max-width:340px;}
.socials{display:flex;gap:10px;margin-top:20px;}
.socials a{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.14);color:#B9C7D4;
  transition:all .2s var(--ease);
}
.socials a svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;}
.socials a:hover{color:var(--accent-500);border-color:rgba(242,118,46,.5);transform:translateY(-2px);}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;color:#93A6B6;padding:6px 0;transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--accent-500);}
.contact-line{font-size:14px;color:#93A6B6;padding:6px 0;line-height:1.7;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7C90A3;
}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;
  height:56px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(16,42,67,.10);
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
}
.mobile-bar span{font-size:13px;color:var(--ink-600);font-weight:500;}
.mobile-bar .btn{height:38px;padding:0 18px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero{padding:132px 0 56px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:100%;}
  .hero-deco{display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:980px){
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn-sm{display:none;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .hero{padding:120px 0 44px;}
  .hero h1{font-size:clamp(26px,6.4vw,34px);}
  .card-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .checklist-wrap{padding:4px 18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:26px;}
  .cta-qr{width:120px;height:120px;}
  .cta-qr svg{width:44px;height:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section{padding:56px 0;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
}
@media (max-width:520px){
  .dock{height:58px;padding:0 10px 0 14px;gap:8px;}
  .dock-brand-text em{display:none;}
  .dock-brand-text strong{font-size:14px;}
  .logo-mark{width:34px;height:34px;border-radius:10px;}
  .hero-badge{left:auto;right:8px;bottom:8px;max-width:200px;padding:10px 12px;}
  .filter-bar{gap:8px;}
  .chip{height:34px;padding:0 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;}
  .check-num{font-size:20px;min-width:36px;}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 10px;font-size:13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}