/* roulang page: index */
:root{
  --c-brand:#0A6AD1;
  --c-brand-deep:#074A99;
  --c-brand-soft:#E9F1FC;
  --c-ink:#0A1F3D;
  --c-accent:#00A99B;
  --c-warn:#D98A0B;
  --bg-page:#F4F6F9;
  --bg-card:#FFFFFF;
  --c-line:#E3E9F2;
  --t1:#14243B;
  --t2:#4A5B73;
  --t3:#8091A8;
  --st-ok:#12996F;
  --st-warn:#D98A0B;
  --st-err:#D2453F;
  --st-dis:#B9C4D4;
  --r-card:14px;
  --r-img:12px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(10,42,80,.04), 0 8px 24px -12px rgba(10,42,80,.18);
  --sh-hover:0 2px 6px rgba(10,42,80,.06), 0 18px 40px -18px rgba(10,42,80,.28);
  --nav-h:68px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background:#EEF2F8;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:0;
  border:1px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff;}
.btn-ghost{background:transparent;color:var(--c-brand);border-color:#BFD5EE;}
.btn-ghost:hover{border-color:var(--c-brand);background:var(--c-brand-soft);color:var(--c-brand-deep);}
.btn-dark{background:var(--c-ink);color:#fff;border-color:var(--c-ink);}
.btn-dark:hover{background:#123059;border-color:#123059;color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{background:var(--st-dis);border-color:var(--st-dis);color:#fff;cursor:not-allowed;}

/* ============ 标签 ============ */
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;background:var(--c-brand-soft);color:var(--c-brand);font-weight:500;}
.tag-accent{background:rgba(0,169,155,.12);color:#018578;}
.tag-warn{background:rgba(217,138,11,.14);color:#8F5B04;}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.dot-live{background:var(--st-err);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 22px -16px rgba(10,42,80,.5);}
.nav{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--t1);transition:opacity .2s ease;}
.brand:hover{opacity:.78;color:var(--t1);}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-brand) 0%,#0C89D6 60%,var(--c-accent) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;}
.brand-text{font-size:22px;font-weight:700;line-height:1;color:var(--c-ink);letter-spacing:0;}
.brand-sub{display:block;font-size:11px;font-weight:400;color:var(--t3);letter-spacing:0;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:22px;}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--t2);padding:6px 0;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:center;transition:transform .22s ease;}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-brand);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.search-wrap{position:relative;display:flex;align-items:center;}
.search-toggle{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--t2);transition:background-color .2s ease,color .2s ease;}
.search-toggle:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.search-toggle svg{width:18px;height:18px;}
.search-field{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:0;opacity:0;pointer-events:none;overflow:hidden;
  transition:width .25s ease,opacity .2s ease;
}
.search-wrap.open .search-field{width:220px;opacity:1;pointer-events:auto;}
.search-field input{
  width:100%;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;padding:0 14px;color:var(--t1);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-field input::placeholder{color:var(--t3);}
.search-field input:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(10,106,209,.12);}
.hamburger{display:none;width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;color:var(--t1);}
.hamburger:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.hamburger span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* 抽屉 */
.drawer{position:fixed;inset:var(--nav-h) 0 0 0;background:#fff;z-index:58;
  transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;
  padding:12px 24px 28px;overflow-y:auto;display:flex;flex-direction:column;}
.drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer a.d-link{display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;font-weight:500;color:var(--t1);border-bottom:1px solid var(--c-line);}
.drawer a.d-link:hover,.drawer a.d-link.active{color:var(--c-brand);}
.drawer a.d-link::after{content:"›";font-size:20px;color:var(--t3);}
.drawer-cta{margin-top:auto;padding-top:24px;}

/* ============ Hero ============ */
.hero{padding:88px 0 64px;}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;}
.hero-eyebrow{margin-bottom:18px;}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;color:var(--t1);
  letter-spacing:0;margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.85;color:var(--t2);max-width:520px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line);}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t2);}
.trust-item svg{width:16px;height:16px;flex:0 0 16px;color:var(--c-accent);}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:visible;}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);}
.hero-visual::after{content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(10,106,209,.20),rgba(10,31,61,.14));pointer-events:none;}
.hero-datacard{
  position:absolute;right:-14px;bottom:-22px;z-index:2;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-hover);
  border:1px solid var(--c-line);padding:16px 20px;display:flex;gap:26px;
}
.hd-item strong{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:26px;line-height:1.2;font-weight:700;color:var(--c-ink);}
.hd-item span{display:block;font-size:13px;color:var(--t3);margin-top:2px;}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:var(--nav-h);z-index:50;
  background:rgba(244,246,249,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  padding:12px 0;border-bottom:1px solid var(--c-line);
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--t2);font-size:14px;font-weight:500;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-scroll a:hover{border-color:var(--c-brand);color:var(--c-brand);}
.anchor-scroll a.active{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;scroll-margin-top:140px;}
.section-soft{background:#fff;}
.section-head{max-width:660px;margin-bottom:48px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:650;color:var(--t1);letter-spacing:0;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--t2);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand);
  background:var(--c-brand-soft);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:16px;}

/* ============ 卖点区 ============ */
.feature-grid{display:grid;grid-template-columns:minmax(280px,4fr) 7fr;gap:48px;align-items:start;}
.feature-side h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:650;color:var(--t1);margin-bottom:16px;}
.feature-side p{font-size:16px;color:var(--t2);margin-bottom:26px;}
.feature-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.f-card{
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-card);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.f-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#CFE0F3;}
.f-card:nth-child(even){margin-top:28px;}
.f-num{font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--c-brand);letter-spacing:.06em;}
.f-card:nth-child(even) .f-num{color:var(--c-accent);}
.f-card h3{font-size:18px;line-height:1.4;font-weight:600;color:var(--t1);margin:10px 0 10px;}
.f-card p{font-size:15px;line-height:1.8;color:var(--t2);}
.f-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--c-brand);}
.f-link span{transition:transform .2s ease;}
.f-link:hover span{transform:translateX(4px);}

/* ============ 演示区 ============ */
.step-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0;}
.step-row + .step-row{border-top:1px solid var(--c-line);}
.step-media{position:relative;}
.step-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);}
.step-badge{
  display:inline-flex;align-items:center;justify-content:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-accent);color:#018578;font-size:13px;font-weight:600;margin-bottom:14px;
}
.step-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--t1);margin-bottom:12px;}
.step-body p{font-size:16px;color:var(--t2);margin-bottom:16px;}
.step-list li{position:relative;padding-left:18px;font-size:15px;color:var(--t2);margin-bottom:6px;}
.step-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--c-accent);}
.step-row.reverse .step-media{order:2;}

/* ============ 证据区（深色通栏） ============ */
.proof{background:var(--c-ink);color:#fff;padding:96px 0;scroll-margin-top:140px;}
.proof .eyebrow{background:rgba(255,255,255,.1);color:#8FC4F5;}
.proof h2{color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:650;line-height:1.3;margin-bottom:14px;}
.proof .lead{color:rgba(255,255,255,.72);max-width:640px;font-size:16px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:52px 0 56px;}
.stat{padding:24px 0;border-top:1px solid rgba(255,255,255,.16);}
.stat strong{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(34px,4vw,50px);line-height:1.1;font-weight:700;color:#5FB4FF;}
.stat:nth-child(even) strong{color:#38D2C3;}
.stat span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.68);}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.quote{border-left:3px solid var(--c-accent);padding:4px 0 4px 20px;}
.quote p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.9);}
.quote cite{display:block;margin-top:12px;font-style:normal;font-size:13px;color:rgba(255,255,255,.55);}
.cert-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:48px;padding-top:32px;border-top:1px solid rgba(255,255,255,.16);}
.cert{width:118px;height:66px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;font-size:12px;color:rgba(255,255,255,.62);
  filter:grayscale(60%);transition:filter .25s ease,background-color .25s ease;}
.cert:hover{filter:grayscale(0);background:rgba(255,255,255,.14);}

/* ============ 价格区 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px 28px;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.price-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.price-card.featured{border:2px solid var(--c-brand);box-shadow:0 2px 6px rgba(10,42,80,.06),0 22px 46px -20px rgba(10,106,209,.45);}
.price-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.price-card h3{font-size:18px;font-weight:600;color:var(--t1);}
.price-value{display:flex;align-items:baseline;gap:6px;margin-bottom:20px;}
.price-value strong{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:40px;line-height:1;font-weight:700;color:var(--c-ink);}
.price-value span{font-size:14px;color:var(--t3);}
.price-feat{flex:1 1 auto;}
.price-feat li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2);padding:7px 0;}
.price-feat li svg{width:16px;height:16px;flex:0 0 16px;margin-top:6px;}
.ic-yes{color:var(--st-ok);}
.ic-no{color:var(--st-dis);}
.price-feat li.off{color:var(--t3);}
.price-card .btn{margin-top:24px;}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.news-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:650;line-height:1.3;color:var(--t1);}
.news-head p{font-size:15px;color:var(--t3);margin-top:8px;}
.news-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-brand);white-space:nowrap;}
.news-link span{transition:transform .2s ease;}
.news-link:hover span{transform:translateX(4px);}
.news-layout{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:32px;align-items:start;}
.news-lead{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);transition:box-shadow .25s ease,transform .25s ease;}
.news-lead:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.news-lead img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-lead-body{padding:24px;}
.news-lead-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--t1);margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead-body p{font-size:15px;line-height:1.8;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--t3);}
.news-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.news-item{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;border-bottom:1px solid var(--c-line);}
.news-item:last-child{border-bottom:0;}
.news-item h3{font-size:16px;line-height:1.6;font-weight:500;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover h3{color:var(--c-brand);}
.news-item .arrow{flex:0 0 auto;color:var(--t3);transition:transform .2s ease,color .2s ease;}
.news-item:hover .arrow{transform:translateX(4px);color:var(--c-brand);}
.news-item time{display:block;font-size:13px;color:var(--t3);margin-top:6px;font-variant-numeric:tabular-nums;}
.news-empty{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-card);}
.news-empty .ico{width:48px;height:48px;border-radius:50%;background:var(--c-brand-soft);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:700;}
.news-empty p{color:var(--t2);margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 24px;align-items:start;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:#CFE0F3;box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;font-size:16px;font-weight:500;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-brand);}
.faq-icon{flex:0 0 auto;width:20px;height:20px;position:relative;color:var(--c-brand);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;}
.faq-icon::before{left:0;right:0;top:9px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;transition:transform .2s ease,opacity .2s ease;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-body{background:#F7F9FC;padding:16px 22px;font-size:15px;line-height:1.85;color:var(--t2);}

/* ============ 底部 CTA ============ */
.cta-band{background:var(--c-brand-soft);padding:96px 0;text-align:center;scroll-margin-top:140px;}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);font-weight:650;color:var(--t1);line-height:1.3;margin-bottom:14px;}
.cta-band p{max-width:600px;margin:0 auto 30px;font-size:16px;color:var(--t2);}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--c-line);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t2);max-width:300px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--c-brand);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);margin-bottom:12px;}
.footer-contact svg{width:16px;height:16px;flex:0 0 16px;margin-top:5px;color:var(--c-brand);}
.footer-bottom{margin-top:48px;border-top:1px solid var(--c-line);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;}
.footer-bottom p{font-size:13px;color:var(--t3);}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a{font-size:13px;color:var(--t3);}
.footer-bottom nav a:hover{color:var(--c-brand);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .25s ease,transform .25s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .btn{box-shadow:0 10px 26px -12px rgba(10,106,209,.7);}
.to-top{width:46px;height:46px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--t2);box-shadow:var(--sh-card);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;}
.to-top:hover{color:var(--c-brand);border-color:var(--c-brand);transform:translateY(-2px);}
.to-top svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .hero-grid{gap:40px;}
}
@media (max-width:991px){
  :root{--nav-h:60px;}
  .container{padding:0 20px;}
  .section,.proof,.cta-band{padding:64px 0;}
  .hero{padding:64px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .hero-datacard{position:static;right:auto;bottom:auto;margin-top:16px;justify-content:flex-start;width:100%;}
  .feature-grid{grid-template-columns:1fr;gap:32px;}
  .news-layout{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,1fr);margin:40px 0 44px;}
  .quote-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;gap:16px;}
  .faq-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-row{grid-template-columns:1fr;gap:28px;padding:32px 0;}
  .step-row.reverse .step-media{order:0;}
}
@media (max-width:767px){
  .search-wrap.open .search-field{width:180px;}
  .hero-btns .btn{flex:1 1 100%;}
  .hero-datacard{flex-direction:row;gap:20px;}
  .feature-cards{grid-template-columns:1fr;}
  .f-card:nth-child(even){margin-top:0;}
  .stat-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .cta-btns .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  body{padding-bottom:76px;}
  .float-cta{
    left:0;right:0;bottom:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-top:1px solid var(--c-line);gap:10px;transform:translateY(0);
  }
  .float-cta .btn{flex:1 1 70%;}
  .float-cta .btn-float-text{display:inline;}
  .to-top{display:none;}
}
@media (max-width:479px){
  .brand-text{font-size:19px;}
  .hero{padding:48px 0 40px;}
  .section,.proof,.cta-band{padding:48px 0;}
  .hd-item strong{font-size:22px;}
}

/* roulang page: article */
:root{
  --c-brand:#0A6AD1;
  --c-brand-deep:#074A99;
  --c-ink:#0A1F3D;
  --c-brand-soft:#E9F1FC;
  --c-accent:#00A99B;
  --c-warn:#D98A0B;
  --bg-page:#F4F6F9;
  --bg-card:#FFFFFF;
  --c-line:#E3E9F2;
  --t1:#14243B;
  --t2:#4A5B73;
  --t3:#8091A8;
  --ok:#12996F;
  --err:#D2453F;
  --r-card:14px;
  --r-img:12px;
  --r-block:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(10,42,80,.04),0 8px 24px -12px rgba(10,42,80,.18);
  --sh-hover:0 2px 6px rgba(10,42,80,.06),0 18px 40px -18px rgba(10,42,80,.28);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --num:"Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--t1);font-weight:650;letter-spacing:0;}
p{margin:0;}
a{color:var(--c-brand);text-decoration:none;}
a:hover{color:var(--c-brand-deep);}
img{max-width:100%;display:block;border-radius:var(--r-img);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.btn-primary{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:#C7DCF5;}
.btn-ghost:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);border-color:var(--c-brand);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;line-height:1;
}
.tag-accent{background:rgba(0,169,155,.12);color:#00857A;}
.eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:600;letter-spacing:.02em;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px -14px rgba(10,42,80,.35);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;transition:opacity .2s ease;}
.brand:hover{opacity:.82;color:var(--c-brand-deep);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-deep));
  color:#fff;font-size:17px;font-weight:700;line-height:1;
}
.brand-text{font-size:22px;font-weight:700;color:var(--c-ink);letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--t2);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-brand);border-radius:2px;transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--t2);transition:all .2s ease;
}
.search-toggle:hover{color:var(--c-brand);border-color:#C7DCF5;background:var(--c-brand-soft);}
.search-toggle svg{width:18px;height:18px;}
.search-form{
  display:flex;align-items:center;width:0;overflow:hidden;
  transition:width .28s ease,opacity .2s ease;opacity:0;
}
.search-form.is-open{width:220px;opacity:1;}
.search-form input{
  width:100%;height:40px;padding:0 14px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--t1);font-size:14px;
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(10,106,209,.12);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--t1);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer{
  display:none;position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:59;
  background:#fff;padding:12px 24px 96px;overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer a.drawer-link{
  display:flex;align-items:center;height:48px;color:var(--t1);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--c-line);
}
.drawer a.drawer-link.active{color:var(--c-brand);}
.drawer .drawer-cta{position:fixed;left:24px;right:24px;bottom:calc(16px + env(safe-area-inset-bottom));}

/* ============ 正文页头部 ============ */
.page-hero{
  position:relative;background:#fff;border-bottom:1px solid var(--c-line);
  padding:28px 0 40px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(233,241,252,.85),rgba(255,255,255,.96)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.9;z-index:0;
}
.page-hero .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:22px;}
.crumbs a{color:var(--t3);}
.crumbs a:hover{color:var(--c-brand);}
.crumbs .sep{color:#B9C4D4;}
.crumbs .current{
  max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t2);
}
.article-head{max-width:840px;}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:700;color:var(--t1);
  margin:16px 0 18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--t3);}
.meta-row .dot{color:#C3CEDC;}
.meta-row .num{font-family:var(--num);font-variant-numeric:tabular-nums;}
.lead{
  margin-top:20px;max-width:760px;font-size:17px;line-height:1.9;color:var(--t2);
}

/* ============ 布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;
  align-items:start;padding:48px 0 0;
}
.article-main{
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-block);
  box-shadow:var(--sh-card);padding:40px 44px 48px;
}
.cover-figure{margin:0 0 32px;}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#EDF2F8;}
.cover-figure figcaption{margin-top:10px;font-size:13px;color:var(--t3);text-align:center;}

/* 正文排版 */
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:var(--t2);}
.article-body>*+*{margin-top:18px;}
.article-body h2{
  font-size:23px;line-height:1.4;font-weight:650;color:var(--t1);
  margin-top:44px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-brand);
}
.article-body h3{font-size:19px;font-weight:600;color:var(--t1);margin-top:32px;}
.article-body p{line-height:1.9;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-top:10px;line-height:1.8;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;background:var(--c-accent);
}
.article-body ol{list-style:none;counter-reset:li;padding-left:0;}
.article-body ol li{position:relative;counter-increment:li;padding-left:32px;margin-top:10px;line-height:1.8;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:5px;width:22px;height:22px;border-radius:7px;
  background:var(--c-brand-soft);color:var(--c-brand);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-family:var(--num);
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:#F7F9FC;border-left:3px solid var(--c-brand);
  border-radius:0 10px 10px 0;color:var(--t2);
}
.article-body blockquote p{margin:0;}
.article-body strong{color:var(--t1);font-weight:600;}
.article-body a{color:var(--c-brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-brand-deep);}
.article-body img{margin:22px 0;border-radius:var(--r-img);width:100%;}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:10px;overflow:hidden;
}
.article-body thead th{background:var(--c-brand-soft);color:var(--t1);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-body tbody tr:nth-child(even){background:#FAFBFD;}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;
  background:#F1F5FA;border:1px solid var(--c-line);border-radius:6px;padding:2px 6px;color:#0A3E77;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}

.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed #CFDCEB;border-radius:var(--r-card);
  background:#FBFCFE;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:var(--c-brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);
}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{margin-bottom:20px;color:var(--t3);}

/* 侧栏 */
.article-side{position:sticky;top:calc(var(--nav-h) + 20px);display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:20px;
}
.side-card h3{font-size:15px;font-weight:650;color:var(--t1);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-brand);}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--t2);
  line-height:1.5;transition:background-color .18s ease,color .18s ease;
}
.toc-list a:hover{background:var(--c-brand-soft);color:var(--c-brand);}
.toc-list a.is-current{background:var(--c-brand-soft);color:var(--c-brand);font-weight:600;}
.side-links li+li{border-top:1px solid var(--c-line);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14px;color:var(--t2);transition:color .18s ease;
}
.side-links a:hover{color:var(--c-brand);}
.side-links svg{width:16px;height:16px;flex-shrink:0;transition:transform .18s ease;}
.side-links a:hover svg{transform:translateX(4px);}
.side-cta{background:var(--c-brand-soft);border-color:#CFE0F7;}
.side-cta p{font-size:14px;color:var(--t2);margin-bottom:14px;}
.side-cta .num{font-family:var(--num);font-variant-numeric:tabular-nums;font-weight:700;color:var(--c-brand-deep);font-size:26px;display:block;line-height:1.2;}

/* 文章页目录（移动） */
.mobile-toc{
  display:none;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:20px;overflow:hidden;
}
.mobile-toc summary{
  padding:14px 18px;font-size:15px;font-weight:600;color:var(--t1);cursor:pointer;list-style:none;
}
.mobile-toc summary::-webkit-details-marker{display:none;}
.mobile-toc .toc-list{padding:0 14px 14px;}

/* 底部标签 / 推荐 / CTA */
.article-foot{margin-top:48px;border-top:1px solid var(--c-line);padding-top:28px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.section-title{font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:650;color:var(--t1);}
.section-sub{margin-top:10px;color:var(--t2);font-size:15px;}
.related{margin-top:56px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px;}
.related-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#CFE0F7;color:inherit;}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;background:#EDF2F8;}
.related-card .rc-body{padding:16px 18px 20px;}
.related-card h3{font-size:16px;line-height:1.5;font-weight:600;color:var(--t1);margin:10px 0 6px;}
.related-card p{font-size:14px;color:var(--t3);line-height:1.7;}

.cta-band{margin:64px 0 0;background:var(--c-brand-soft);border-top:1px solid #D8E6F8;border-bottom:1px solid #D8E6F8;}
.cta-inner{padding:64px 0;text-align:center;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:650;color:var(--t1);}
.cta-inner p{margin:12px auto 26px;max-width:620px;font-size:15px;color:var(--t2);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--c-line);margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--t3);max-width:300px;}
.footer-col h4{font-size:15px;font-weight:650;color:var(--t1);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--t2);transition:color .18s ease;}
.footer-col a:hover{color:var(--c-brand);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--t2);line-height:1.7;margin-bottom:12px;}
.footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:4px;color:var(--c-brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--c-line);padding:20px 0 28px;
}
.footer-bottom p{font-size:13px;color:var(--t3);}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a{font-size:13px;color:var(--t3);}
.footer-bottom nav a:hover{color:var(--c-brand);}

/* 移动吸底 CTA */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid var(--c-line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;align-items:center;
}
.mobile-cta-bar .btn{flex:0 0 auto;}
.mobile-cta-bar .btn-primary{flex:1 1 auto;}

/* 插画/图片骨架 */
.img-skeleton{background:#EDF2F8;background-image:linear-gradient(90deg,#EDF2F8 0%,#F6F9FC 40%,#EDF2F8 80%);background-size:200% 100%;animation:sk 1.4s ease-in-out infinite;}
@keyframes sk{0%{background-position:120% 0;}100%{background-position:-40% 0;}}
img{opacity:1;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 264px;gap:28px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .search-form.is-open{width:180px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:32px;}
  .article-side{display:none;}
  .article-main{padding:28px 24px 36px;}
  .mobile-toc{display:block;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 32px;}
  .related-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--nav-h:60px;}
  .container{padding:0 20px;}
  .brand-text{font-size:19px;}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px;}
  .nav-actions{gap:8px;}
  .search-form.is-open{position:absolute;left:20px;right:20px;top:calc(var(--nav-h) + 8px);width:auto;background:#fff;padding:8px;border-radius:12px;border:1px solid var(--c-line);box-shadow:var(--sh-card);}
  .search-form.is-open input{height:44px;}
  .page-hero{padding:20px 0 32px;}
  .crumbs .current{max-width:180px;}
  .article-head h1{font-size:24px;line-height:1.35;}
  .lead{font-size:16px;}
  .article-main{padding:22px 18px 30px;border-radius:16px;}
  .article-body{font-size:17px;}
  .article-body h2{font-size:20px;margin-top:34px;}
  .article-body h3{font-size:17px;}
  .related-grid{grid-template-columns:1fr;gap:16px;}
  .cta-inner{padding:48px 0;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  body{padding-bottom:76px;}
  .mobile-cta-bar{display:flex;}
}
@media (max-width:479px){
  .article-head h1{font-size:22px;}
  .meta-row{font-size:13px;gap:8px;}
  .related-card .rc-body{padding:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category1 */
:root{
  --c-brand:#0A6AD1;
  --c-brand-deep:#074A99;
  --c-ink:#0A1F3D;
  --c-brand-soft:#E9F1FC;
  --c-accent:#00A99B;
  --c-warn:#D98A0B;
  --bg-page:#F4F6F9;
  --bg-card:#FFFFFF;
  --c-line:#E3E9F2;
  --t1:#14243B;
  --t2:#4A5B73;
  --t3:#8091A8;
  --c-ok:#12996F;
  --c-err:#D2453F;
  --c-disabled:#B9C4D4;
  --r-card:14px;
  --r-img:12px;
  --r-band:20px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(10,42,80,.04), 0 8px 24px -12px rgba(10,42,80,.18);
  --shadow-lg:0 2px 6px rgba(10,42,80,.06), 0 18px 40px -18px rgba(10,42,80,.28);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(10,106,209,.16)}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-primary{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep)}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:rgba(10,106,209,.35)}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:active{transform:translateY(1px)}
.btn[disabled]{background:var(--c-disabled);border-color:var(--c-disabled);color:#fff;cursor:not-allowed}

.tag{
  display:inline-flex;align-items:center;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;padding:4px 12px;border-radius:999px;
}
.tag-accent{background:rgba(0,169,155,.12);color:#017C72}

.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:14px}
.text-link svg{width:16px;height:16px;transition:transform .2s ease}
.text-link:hover svg{transform:translateX(4px)}

.section-head{margin-bottom:24px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(24px,2.6vw,30px);font-weight:650;letter-spacing:0;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-brand),var(--c-accent));
}
.section-head p{margin-top:12px;max-width:660px;font-size:15.5px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px -16px rgba(10,42,80,.45)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:none;transition:opacity .2s ease}
.brand:hover{opacity:.82}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-brand),var(--c-accent));
  color:#fff;font-size:17px;font-weight:700;
}
.brand-text{font-size:20px;font-weight:700;color:var(--c-ink);white-space:nowrap;letter-spacing:0}

.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-link{
  position:relative;padding:8px 0;font-size:15px;font-weight:500;color:var(--t2);
  transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-brand);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}

.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:var(--t2);transition:background-color .2s ease,color .2s ease;
}
.icon-btn:hover{color:var(--c-brand);background:var(--c-brand-soft)}
.icon-btn svg{width:19px;height:19px}

.nav-search{width:0;opacity:0;overflow:hidden;transition:width .25s ease,opacity .25s ease}
.nav-search.is-open{width:220px;opacity:1}
.nav-search input{
  width:220px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  padding:0 12px;font-size:14px;font-family:inherit;color:var(--t1);background:#fff;
}
.nav-search input::placeholder{color:var(--t3)}
.nav-search input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(10,106,209,.12)}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:38px;height:38px;place-items:center;justify-content:center}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--t1);transition:transform .22s ease,opacity .22s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:55;
  background:#fff;padding:8px 24px 24px;overflow-y:auto;
  display:flex;flex-direction:column;
}
.mobile-drawer[hidden]{display:none}
.drawer-link{
  display:flex;align-items:center;height:48px;font-size:16px;color:var(--t1);
  border-bottom:1px solid var(--c-line);
}
.drawer-link.is-active{color:var(--c-brand);font-weight:600}
.drawer-cta{margin-top:20px}

/* ---------- 分类横幅 ---------- */
.page-banner{
  background:linear-gradient(180deg,#FFFFFF 0%,#EEF4FD 100%);
  border-bottom:1px solid var(--c-line);
  padding:44px 0 60px;
}
.banner-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--t3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb span.sep{color:#C3CEDD}
.breadcrumb .current{color:var(--t2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
}
.banner-copy h1{
  font-size:clamp(30px,4.2vw,44px);font-weight:700;letter-spacing:0;
  margin:18px 0 16px;
}
.banner-copy .lead{font-size:17px;color:var(--t2);max-width:540px}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.trust-row{display:flex;flex-wrap:wrap;gap:14px 24px;margin-top:26px;font-size:14px;color:var(--t2)}
.trust-row li{display:flex;align-items:center;gap:8px}
.trust-row svg{width:17px;height:17px;color:var(--c-accent);flex:none}

.banner-media{position:relative}
.banner-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-band);box-shadow:var(--shadow-lg);
  background:#E6EDF6;
}
.banner-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-band);pointer-events:none;
  background:linear-gradient(155deg,rgba(10,106,209,.14),rgba(10,31,61,.05));
}
.float-stat{
  position:absolute;right:-14px;bottom:-18px;
  display:flex;gap:22px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--shadow-lg);
}
.float-stat b{
  display:block;font-size:26px;font-weight:700;color:var(--c-ink);line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.float-stat span{font-size:13px;color:var(--t3)}

/* ---------- 主体布局 ---------- */
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start;padding-top:64px;padding-bottom:8px}

.anchor-nav{
  position:sticky;top:88px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 16px;box-shadow:var(--shadow-sm);
}
.anchor-nav h3{font-size:13px;font-weight:600;color:var(--t3);margin-bottom:12px;padding-left:12px;letter-spacing:0}
.anchor-nav ul{display:grid;gap:4px}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--t2);
  border-left:3px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.anchor-nav a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.anchor-nav a.is-active{background:var(--c-brand-soft);color:var(--c-brand);border-left-color:var(--c-brand);font-weight:600}

.content-section{margin-top:64px;scroll-margin-top:140px}
.content-section:first-child{margin-top:0}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.media-card{
  display:flex;flex-direction:column;
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.media-card .thumb{aspect-ratio:16/10;overflow:hidden;background:#EDF1F7}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.media-card:hover .thumb img{transform:scale(1.04)}
.media-card .body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1}
.media-card h3{font-size:19px;font-weight:600}
.media-card p{font-size:15px;line-height:1.8}
.media-card .body .text-link{margin-top:auto;padding-top:6px}

/* ---------- 实时状态与数据 ---------- */
.live-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px 22px;box-shadow:var(--shadow-sm);
}
.live-bar .item{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--t2)}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:none;
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,169,155,.45)}
  70%{box-shadow:0 0 0 10px rgba(0,169,155,0)}
  100%{box-shadow:0 0 0 0 rgba(0,169,155,0)}
}

.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:24px}
.stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
}
.stat b{
  display:block;font-size:clamp(30px,3.6vw,40px);font-weight:700;line-height:1.1;
  color:var(--c-ink);font-variant-numeric:tabular-nums;
}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--t3)}

.schedule{margin-top:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm)}
.schedule-scroll{overflow-x:auto}
.schedule-inner{min-width:620px}
.schedule-head{
  display:grid;grid-template-columns:110px minmax(0,1fr) 120px 120px;gap:12px;
  padding:14px 22px;background:var(--c-brand-soft);
  font-size:13px;font-weight:600;color:var(--c-brand);
}
.schedule-row{
  display:grid;grid-template-columns:110px minmax(0,1fr) 120px 120px;gap:12px;
  align-items:center;padding:16px 22px;border-top:1px solid var(--c-line);
  font-size:15px;transition:background-color .2s ease;
}
.schedule-row:hover{background:#F7F9FC}
.schedule-row .time{color:var(--t3);font-size:14px;font-variant-numeric:tabular-nums}
.schedule-row .match{color:var(--t1);font-weight:600}
.status{font-size:13px;font-weight:600}
.status.is-live{color:var(--c-accent)}
.status.is-soon{color:var(--c-warn)}
.status.is-done{color:var(--t3)}

/* ---------- 流程 ---------- */
.timeline{margin-top:8px}
.timeline li{position:relative;display:grid;grid-template-columns:46px minmax(0,1fr);gap:18px;padding-bottom:30px}
.timeline li:last-child{padding-bottom:0}
.timeline li:not(:last-child)::before{
  content:"";position:absolute;left:22px;top:46px;bottom:2px;width:2px;
  background:linear-gradient(180deg,var(--c-brand-soft),var(--c-line));
}
.timeline .step-no{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--c-brand-soft);color:var(--c-brand);border:1px solid rgba(10,106,209,.18);
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.timeline h3{font-size:18px;font-weight:600;margin:8px 0 6px}
.timeline p{font-size:15px;max-width:620px}

/* ---------- 要点清单 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:8px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-img);
  padding:16px 18px;font-size:15px;color:var(--t2);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:rgba(10,106,209,.35);box-shadow:var(--shadow-sm)}
.check-list svg{width:18px;height:18px;color:var(--c-accent);flex:none;margin-top:4px}
.check-list b{display:block;color:var(--t1);font-weight:600;font-size:15.5px;margin-bottom:2px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 20px;cursor:pointer;
  font-size:16px;font-weight:500;color:var(--t1);list-style:none;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--c-brand);line-height:1}
.faq-item[open] summary{color:var(--c-brand)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{
  padding:16px 20px;background:#F7F9FC;border-top:1px solid var(--c-line);
  font-size:15px;line-height:1.85;color:var(--t2);
}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cross-card{
  display:flex;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(10,106,209,.4)}
.cross-card img{width:112px;height:80px;border-radius:var(--r-img);object-fit:cover;flex:none;background:#EDF1F7}
.cross-card h3{font-size:17px;font-weight:600;margin-bottom:6px}
.cross-card p{font-size:14px;color:var(--t2);line-height:1.75}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  margin-top:72px;padding:48px 40px;text-align:center;
  background:var(--c-brand-soft);border:1px solid rgba(10,106,209,.16);
  border-radius:var(--r-band);
}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);font-weight:650}
.cta-band p{margin:14px auto 26px;max-width:600px;font-size:15.5px;color:var(--t2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;background:#fff;border-top:1px solid var(--c-line);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--t3);max-width:320px;line-height:1.8}
.footer-col h4{font-size:15px;font-weight:650;margin-bottom:16px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--t2);transition:color .2s ease}
.footer-col a:hover{color:var(--c-brand)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--t2);line-height:1.7}
.footer-contact svg{width:18px;height:18px;color:var(--c-brand);flex:none;margin-top:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  margin-top:48px;padding:22px 0;border-top:1px solid var(--c-line);
  font-size:14px;color:var(--t3);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom a{color:var(--t3);transition:color .2s ease}
.footer-bottom a:hover{color:var(--c-brand)}

/* ---------- 浮动入口 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta .icon-btn{
  width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--c-line);
  box-shadow:var(--shadow-sm);color:var(--t2);
}
.float-cta .icon-btn:hover{color:var(--c-brand);background:var(--c-brand-soft);border-color:rgba(10,106,209,.35)}

.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:56px;padding:0 16px calc(env(safe-area-inset-bottom));
  align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.96);border-top:1px solid var(--c-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.mobile-bar .btn{height:44px;flex:0 0 70%}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links{gap:22px}
  .banner-grid{gap:40px}
}

@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:12px}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:48px}
  .anchor-nav{position:static;padding:14px 12px}
  .anchor-nav h3{display:none}
  .anchor-nav ul{
    display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
    padding-bottom:2px;
  }
  .anchor-nav ul::-webkit-scrollbar{display:none}
  .anchor-nav a{
    white-space:nowrap;border:1px solid var(--c-line);border-radius:999px;
    padding:8px 16px;font-size:14px;
  }
  .anchor-nav a.is-active{border-color:var(--c-brand);border-left-color:var(--c-brand)}
  .banner-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .banner-copy .lead{max-width:none}
  .float-stat{position:static;margin-top:16px;right:auto;bottom:auto;box-shadow:var(--shadow-sm)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px}
}

@media (max-width:767px){
  body{padding-bottom:56px}
  .container{padding:0 20px}
  .header-inner{height:60px}
  .brand-text{font-size:18px}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px}
  .nav-actions .btn-sm{display:none}
  .mobile-drawer{top:60px}
  .nav-search{position:absolute;left:0;right:0;top:60px;padding:0 20px;background:#fff}
  .nav-search.is-open{width:auto;padding-bottom:12px}
  .nav-search input{width:100%}
  .page-banner{padding:28px 0 44px}
  .banner-actions{gap:12px}
  .banner-actions .btn{flex:1 1 46%}
  .layout{padding-top:40px}
  .content-section{margin-top:48px}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .stat-row{grid-template-columns:minmax(0,1fr);gap:16px}
  .check-list{grid-template-columns:minmax(0,1fr);gap:12px}
  .faq-list{grid-template-columns:minmax(0,1fr);gap:12px}
  .cross-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .cta-band{margin-top:48px;padding:32px 20px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  .mobile-bar .icon-btn{
    width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);
    display:grid;place-items:center;color:var(--t2);flex:none;
  }
}

@media (max-width:480px){
  .brand-text{font-size:16px}
  .trust-row{gap:10px 16px;font-size:13px}
  .float-stat{gap:16px;padding:14px 16px}
  .float-stat b{font-size:22px}
}

/* roulang page: category2 */
:root{
  --c-brand:#0A6AD1;
  --c-brand-deep:#074A99;
  --c-ink:#0A1F3D;
  --c-brand-soft:#E9F1FC;
  --c-accent:#00A99B;
  --c-warn:#D98A0B;
  --bg-page:#F4F6F9;
  --bg-card:#FFFFFF;
  --c-line:#E3E9F2;
  --t1:#14243B;
  --t2:#4A5B73;
  --t3:#8091A8;
  --ok:#12996F;
  --err:#D2453F;
  --dis:#B9C4D4;
  --r-card:14px;
  --r-img:12px;
  --r-block:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(10,42,80,.04), 0 8px 24px -12px rgba(10,42,80,.18);
  --sh-hover:0 2px 6px rgba(10,42,80,.06), 0 18px 40px -18px rgba(10,42,80,.28);
  --maxw:1200px;
}
*,*::before,*::after{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",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:650;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;}
h2{font-size:clamp(24px,2.6vw,32px);}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--c-line);
  box-shadow:0 6px 24px -18px rgba(10,42,80,.45);
}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--c-brand),var(--c-accent));
  color:#fff;font-size:17px;font-weight:700;
}
.brand-text{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:0;}
.brand:hover{opacity:.82;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-brand);border-radius:2px;
  transform:scaleX(0);transform-origin:center;transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-brand);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;display:grid;place-items:center;color:var(--t2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);}
.icon-btn svg{width:18px;height:18px;}
.nav-search{position:relative;display:flex;align-items:center;}
.search-input{
  width:0;opacity:0;padding:0;border:1px solid transparent;border-radius:10px;
  height:38px;background:#fff;color:var(--t1);
  transition:width .25s ease,opacity .25s ease,padding .25s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search.open .search-input{
  width:220px;opacity:1;padding:0 12px;border-color:var(--c-line);margin-left:8px;
}
.nav-search.open .search-input:focus{
  border-color:var(--c-brand);
  box-shadow:0 0 0 4px rgba(10,106,209,.12);
  outline:none;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;padding:11px 20px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);color:#fff;}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:#C6DBF5;}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:var(--dis);border-color:var(--dis);color:#fff;cursor:not-allowed;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--t1);
}
.nav-toggle svg{width:20px;height:20px;margin:0 auto;}

/* drawer */
.drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;z-index:59;
  background:#fff;padding:8px 20px 96px;
  overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.drawer.open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;border-bottom:1px solid var(--c-line);
  font-size:16px;color:var(--t1);font-weight:500;
}
.drawer a.drawer-link.active{color:var(--c-brand);font-weight:600;}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--c-line);}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--t3);}
.crumb a:hover{color:var(--c-brand);}
.crumb span.sep{margin:0 8px;color:var(--dis);}

/* ---------- hero ---------- */
.page-hero{
  padding:40px 0 72px;
  background:
    radial-gradient(900px 380px at 88% -10%, rgba(0,169,155,.10), transparent 62%),
    radial-gradient(760px 340px at 0% 0%, rgba(10,106,209,.10), transparent 60%),
    var(--bg-page);
}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-brand-soft);color:var(--c-brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;}
.hero-copy h1{margin:18px 0 14px;}
.hero-sub{font-size:17px;line-height:1.75;color:var(--t2);max-width:520px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t2);}
.trust-row svg{width:17px;height:17px;color:var(--c-accent);flex:none;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-block);
  box-shadow:var(--sh-card);
  background:linear-gradient(120deg,#EEF3F9,#E3EAF3);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-block);
  background:linear-gradient(180deg,rgba(10,106,209,.06),rgba(0,169,155,.07));
  pointer-events:none;
}
.media-card{
  position:absolute;right:-16px;bottom:-20px;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:14px 18px;display:flex;gap:26px;
}
.media-card .mc-num{font-size:24px;font-weight:700;color:var(--c-brand);line-height:1.2;}
.media-card .mc-label{font-size:12px;color:var(--t3);}
.media-card .mc-item:last-child .mc-num{color:var(--c-accent);}

/* ---------- section ---------- */
.section{padding:96px 0;}
.section.alt{background:#fff;}
.section.soft{background:var(--c-brand-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-brand);
  background:var(--c-brand-soft);padding:5px 13px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section.soft .sec-tag{background:#fff;}
.section-head p{margin-top:12px;font-size:16px;color:var(--t2);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tier-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;display:flex;flex-direction:column;
  box-shadow:var(--sh-card);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.tier-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.tier-card.featured{border:2px solid var(--c-brand);box-shadow:var(--sh-hover);position:relative;}
.tier-badge{
  position:absolute;top:-13px;right:18px;
  background:var(--c-warn);color:#fff;font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:var(--r-pill);
}
.tier-name{font-size:16px;font-weight:600;color:var(--t1);}
.tier-price{margin:14px 0 4px;font-size:34px;font-weight:700;color:var(--c-ink);line-height:1.1;}
.tier-price small{font-size:14px;font-weight:500;color:var(--t3);margin-left:4px;}
.tier-note{font-size:13px;color:var(--t3);padding-bottom:16px;border-bottom:1px dashed var(--c-line);}
.tier-list{margin:18px 0 24px;display:grid;gap:11px;flex:1;}
.tier-list li{display:flex;gap:9px;font-size:14.5px;color:var(--t2);line-height:1.6;}
.tier-list svg{width:17px;height:17px;flex:none;color:var(--c-accent);margin-top:4px;}
.tier-list li.no svg{color:var(--dis);}
.tier-foot{margin-top:auto;}

/* ---------- points + numbers ---------- */
.pn-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.points{display:grid;gap:18px;}
.points li{display:flex;gap:12px;align-items:flex-start;}
.points .tick{
  width:22px;height:22px;border-radius:50%;background:#fff;
  display:grid;place-items:center;flex:none;margin-top:4px;
  border:1px solid rgba(0,169,155,.35);
}
.points .tick svg{width:12px;height:12px;color:var(--c-accent);}
.points strong{display:block;color:var(--t1);font-size:16px;font-weight:600;margin-bottom:2px;}
.points span{font-size:14.5px;color:var(--t2);}
.num-band{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.num-item{
  background:#fff;border-radius:var(--r-card);padding:24px 22px;
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
}
.num-value{font-size:40px;font-weight:700;color:var(--c-brand);line-height:1.15;}
.num-item:nth-child(even) .num-value{color:var(--c-accent);}
.num-label{font-size:14px;color:var(--t3);margin-top:6px;}

/* ---------- timeline ---------- */
.tl-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-brand),rgba(0,169,155,.35));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-index{
  position:absolute;left:-34px;top:0;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--c-brand);color:var(--c-brand);
  font-size:12px;font-weight:700;display:grid;place-items:center;line-height:1;
}
.tl-item:nth-child(even) .tl-index{border-color:var(--c-accent);color:var(--c-accent);}
.tl-item h3{font-size:18px;margin-bottom:6px;}
.tl-item p{font-size:15px;color:var(--t2);}
.tl-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--c-line);box-shadow:var(--sh-card);
  background:linear-gradient(120deg,#EEF3F9,#E3EAF3);
}
.tl-hint{
  margin-top:16px;background:var(--c-brand-soft);border-radius:var(--r-card);
  padding:16px 18px;font-size:14px;color:var(--c-brand-deep);line-height:1.7;
}

/* ---------- benefit cards ---------- */
.benefit-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.benefit-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.benefit-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.benefit-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;
  background:linear-gradient(120deg,#EEF3F9,#E3EAF3);
}
.benefit-body{padding:22px 24px 24px;}
.benefit-body h3{margin-bottom:8px;}
.benefit-body p{font-size:15px;color:var(--t2);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  color:var(--c-brand);font-size:14.5px;font-weight:600;
}
.text-link svg{width:15px;height:15px;transition:transform .2s ease;}
.text-link:hover{color:var(--c-brand-deep);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- compare ---------- */
.cmp{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);
  overflow:hidden;box-shadow:var(--sh-card);
}
.cmp-head,.cmp-row{display:grid;grid-template-columns:1.3fr 1fr 1fr;align-items:center;}
.cmp-head{background:var(--c-brand-soft);}
.cmp-head div{
  padding:15px 24px;font-size:14px;font-weight:600;color:var(--c-ink);
}
.cmp-head div:last-child{color:var(--c-brand);}
.cmp-row{border-top:1px solid var(--c-line);}
.cmp-row:nth-child(odd){background:#FAFCFF;}
.cmp-row div{padding:15px 24px;font-size:15px;color:var(--t2);}
.cmp-row .cmp-name{color:var(--t1);font-weight:500;}
.cmp-row .cmp-yes{color:var(--c-brand);font-weight:600;}
.cmp-row .cmp-no{color:var(--t3);}

/* ---------- faq ---------- */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;min-height:56px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;font-size:16px;font-weight:500;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .sign{
  width:22px;height:22px;flex:none;color:var(--c-brand);
  display:grid;place-items:center;font-size:20px;line-height:1;font-weight:400;
}
.faq-item summary .sign::before{content:"+";}
.faq-item[open] summary .sign::before{content:"−";}
.faq-item[open] summary{color:var(--c-brand);}
.faq-item .faq-body{
  background:#F7F9FC;padding:4px 20px 18px;font-size:15px;color:var(--t2);
  border-top:1px solid var(--c-line);
}
.faq-item .faq-body p{margin-top:12px;}

/* ---------- cross links ---------- */
.cross-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cross-card{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .2s ease;
}
.cross-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#C6DBF5;}
.cross-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:linear-gradient(120deg,#EEF3F9,#E3EAF3);}
.cross-card h3{font-size:17px;margin-bottom:6px;}
.cross-card p{font-size:14px;color:var(--t2);}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-brand-soft);padding:96px 0;text-align:center;}
.cta-band h2{margin-bottom:14px;}
.cta-band p{max-width:640px;margin:0 auto 28px;font-size:16px;color:var(--t2);}
.cta-btns{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#B8C6DA;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#93A6BF;max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#B8C6DA;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#93A6BF;line-height:1.7;}
.footer-contact svg{width:17px;height:17px;flex:none;margin-top:4px;color:var(--c-accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8A9CB5;
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a:hover{color:#fff;}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta .btn{box-shadow:0 10px 30px -12px rgba(10,42,80,.55);}
.to-top{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--c-line);
  display:grid;place-items:center;color:var(--t2);
  box-shadow:0 10px 30px -14px rgba(10,42,80,.5);
  transition:color .2s ease,border-color .2s ease;
}
.to-top:hover{color:var(--c-brand);border-color:var(--c-brand);}
.to-top svg{width:18px;height:18px;}
.mobile-bar{display:none;}

.skeleton{background:linear-gradient(100deg,#EEF3F9 30%,#F7F9FC 50%,#EEF3F9 70%);background-size:200% 100%;animation:sk 1.4s infinite linear;}
@keyframes sk{from{background-position:200% 0;}to{background-position:-200% 0;}}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .nav-links{gap:20px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .media-card{position:static;margin-top:16px;right:auto;bottom:auto;justify-content:flex-start;}
  .page-hero{padding:28px 0 56px;}
  .pn-grid,.tl-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:64px 0;}
  .benefit-grid,.faq-list,.cross-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:64px 0;}
  .float-cta{display:none;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .nav-inner{height:60px;}
  .site-header .brand-text{font-size:17px;}
  .nav-actions .icon-btn{display:none;}
  .nav-search{display:none;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .num-band{grid-template-columns:1fr;}
  .cmp-head,.cmp-row{grid-template-columns:1fr 1fr;}
  .cmp-head div:first-child,.cmp-row .cmp-name{grid-column:1 / -1;padding-bottom:0;}
  .cmp-head div,.cmp-row div{padding:12px 18px;font-size:14px;}
  .cmp-row .cmp-name{padding-top:16px;font-weight:600;}
  .cross-card{grid-template-columns:1fr;gap:14px;}
  .cross-card img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  body{padding-bottom:76px;}
  .mobile-bar{
    display:flex;align-items:center;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:56px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--c-line);
    box-shadow:0 -8px 24px -18px rgba(10,42,80,.5);
  }
  .mobile-bar .btn{flex:1 1 70%;}
  .mobile-bar .btn-ghost{flex:0 0 auto;padding:10px 16px;}
  .hero-copy h1{font-size:29px;}
  .tier-grid{grid-template-columns:1fr;}
}
@media (max-width:479px){
  h1{font-size:27px;}
  .hero-btns .btn{width:100%;}
  .media-card{gap:18px;padding:12px 14px;}
  .num-value{font-size:34px;}
  .tier-price{font-size:30px;}
}

/* roulang page: category3 */
:root{
  --c-brand:#0A6AD1;
  --c-brand-deep:#074A99;
  --c-ink:#0A1F3D;
  --c-brand-soft:#E9F1FC;
  --c-accent:#00A99B;
  --c-warn:#D98A0B;
  --bg-page:#F4F6F9;
  --bg-card:#FFFFFF;
  --c-line:#E3E9F2;
  --t1:#14243B;
  --t2:#4A5B73;
  --t3:#8091A8;
  --ok:#12996F;
  --r-card:14px;
  --r-img:12px;
  --r-block:20px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(10,42,80,.04),0 8px 24px -12px rgba(10,42,80,.18);
  --sh-hover:0 2px 6px rgba(10,42,80,.06),0 18px 40px -18px rgba(10,42,80,.28);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Inter","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;border-radius:4px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-primary{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}
.btn-primary:hover{background:var(--c-brand-deep);border-color:var(--c-brand-deep);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:#C4D9F3;}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand);}
.btn-soft{background:var(--c-brand-soft);color:var(--c-brand-deep);border-color:transparent;}
.btn-soft:hover{background:#D8E7FA;}
.btn:disabled{background:#EDF1F6;color:#B9C4D4;border-color:#EDF1F6;cursor:not-allowed;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--c-brand-soft);color:var(--c-brand-deep);
}
.badge-accent{background:rgba(0,169,155,.12);color:#00796F;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:13px;
  background:#fff;border:1px solid var(--c-line);color:var(--t2);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:var(--c-brand-soft);
  color:var(--c-brand-deep);font-size:13px;font-weight:600;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:0 6px 20px -14px rgba(10,42,80,.35);}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;transition:opacity .2s ease;}
.brand:hover{opacity:.85;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-brand) 0%,var(--c-brand-deep) 100%);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:22px;font-weight:700;color:var(--c-ink);line-height:1.1;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--t2);
  padding:6px 0;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--c-brand);border-radius:2px;transition:right .22s ease;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{right:0;}
.nav-link.active{color:var(--c-brand);font-weight:600;}
.nav-link.active::after{right:0;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--t2);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.icon-btn:hover{color:var(--c-brand);border-color:#C4D9F3;background:var(--c-brand-soft);}
.icon-btn svg{width:19px;height:19px;}
.nav-search{display:flex;align-items:center;overflow:hidden;width:0;transition:width .25s ease;}
.nav-search input{
  width:220px;height:40px;padding:0 14px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;color:var(--t1);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(10,106,209,.12);}
.nav-search.open{width:236px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 首屏横幅 ============ */
.page-hero{
  padding:56px 0 64px;
  background:
    linear-gradient(180deg,rgba(233,241,252,.75) 0%,rgba(244,246,249,0) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.crumbs{font-size:14px;color:var(--t3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.crumbs a{color:var(--t3);transition:color .2s ease;}
.crumbs a:hover{color:var(--c-brand);}
.crumbs span.sep{color:#C3CDDC;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.2;font-weight:700;letter-spacing:0;
  margin:18px 0 16px;color:var(--c-ink);
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--t2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-block);
  box-shadow:var(--sh-card);background:#E7ECF4;
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-block);
  background:rgba(10,106,209,.07);pointer-events:none;
}
.media-float{
  position:absolute;right:-12px;bottom:-22px;background:#fff;border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh-hover);display:flex;gap:24px;
}
.media-float .m-num{font-size:26px;font-weight:700;color:var(--c-ink);line-height:1.1;}
.media-float .m-num.accent{color:var(--c-accent);}
.media-float .m-lbl{font-size:13px;color:var(--t3);margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:650;margin-bottom:12px;}
.section-head p{font-size:16px;color:var(--t2);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);
  font-size:15px;font-weight:600;transition:gap .2s ease,color .2s ease;
}
.text-link:hover{gap:10px;color:var(--c-brand-deep);}
.text-link svg{width:16px;height:16px;}

/* ============ 两栏主布局 ============ */
.layout-two-col{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;
}
.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:25px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-brand) 0%,rgba(0,169,155,.5) 60%,var(--c-line) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:66px;margin-bottom:28px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:52px;height:52px;border-radius:14px;
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-card);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--c-brand);
}
.tl-item:nth-child(even) .tl-num{color:var(--c-accent);}
.tl-card{
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.tl-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D3E2F6;}
.tl-card h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.tl-card p{font-size:15px;line-height:1.85;color:var(--t2);}
.tl-card .tl-actions{margin-top:14px;display:flex;flex-wrap:wrap;gap:12px;}
.tl-figure{margin-top:16px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;background:#E7ECF4;}

/* ============ 数据条 ============ */
.stat-band{
  background:var(--c-brand-soft);border-radius:var(--r-block);padding:32px 32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:32px 0 0;
}
.stat-item .s-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.4vw,42px);font-weight:700;color:var(--c-brand-deep);line-height:1.1;
}
.stat-item .s-num.accent{color:var(--c-accent);}
.stat-item .s-lbl{font-size:14px;color:var(--t2);margin-top:8px;}

/* ============ 赛事覆盖卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.card{
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D3E2F6;}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;}
.card-body p{font-size:14.5px;line-height:1.8;color:var(--t2);}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#E7ECF4;}

/* ============ 侧栏卡片 ============ */
.side-card{
  background:var(--bg-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
}
.side-card h3{font-size:17px;font-weight:600;margin-bottom:14px;}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--t2);
  line-height:1.7;padding:7px 0;
}
.check-list li svg{width:18px;height:18px;flex:0 0 auto;margin-top:3px;color:var(--ok);}
.side-cta{
  background:var(--c-brand-soft);border:1px solid #CFE0F7;
  border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-card);
}
.side-cta h3{font-size:18px;font-weight:650;margin-bottom:8px;color:var(--c-ink);}
.side-cta p{font-size:14.5px;color:var(--t2);line-height:1.8;margin-bottom:16px;}
.side-note{font-size:13px;color:var(--t3);margin-top:10px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:10px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFE0F7;box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:16px 18px;font-size:15.5px;font-weight:500;color:var(--t1);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-ico{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid #C4D9F3;
  color:var(--c-brand);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:600;line-height:1;transition:background-color .2s ease,color .2s ease;
}
.faq-item[open] .faq-ico{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.faq-body{padding:0 18px 18px;background:#F7F9FC;font-size:14.5px;color:var(--t2);line-height:1.85;}
.faq-body-inner{padding-top:14px;}

/* ============ 交叉链接 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.cross-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D3E2F6;}
.cross-card strong{display:block;font-size:16px;color:var(--t1);font-weight:600;margin-bottom:4px;}
.cross-card small{font-size:13.5px;color:var(--t3);}
.cross-card svg{width:18px;height:18px;color:var(--c-brand);flex:0 0 auto;}

/* ============ 底部 CTA ============ */
.cta-band{
  background:var(--c-brand-soft);border-radius:var(--r-block);
  padding:56px 40px;text-align:center;
}
.cta-band h2{font-size:clamp(24px,2.6vw,30px);font-weight:650;margin-bottom:12px;}
.cta-band p{font-size:16px;color:var(--t2);max-width:640px;margin:0 auto 26px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--c-line);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:48px;}
.footer-brand p{font-size:14.5px;color:var(--t2);line-height:1.8;margin-top:16px;max-width:300px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14.5px;color:var(--t2);transition:color .2s ease;}
.footer-col a:hover{color:var(--c-brand);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--t2);line-height:1.7;}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;color:var(--c-brand);}
.footer-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13.5px;color:var(--t3);}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:20px;}
.footer-bottom nav a{font-size:13.5px;color:var(--t3);transition:color .2s ease;}
.footer-bottom nav a:hover{color:var(--c-brand);}

/* ============ 移动端吸底条 ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
}
.mobile-cta .btn{width:100%;}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--t2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-card);
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,color .2s ease;
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:hover{color:var(--c-brand);border-color:#C4D9F3;}
.to-top svg{width:18px;height:18px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:20px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:68px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 24px 120px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;z-index:59;
  }
  .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--c-line);font-size:16px;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .icon-btn.search-toggle{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-lead{max-width:none;}
  .page-hero{padding:40px 0 52px;}
  .layout-two-col{grid-template-columns:1fr;gap:32px;}
  .side-col{position:static;order:2;}
  .main-col{order:1;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .cross-grid{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:repeat(2,1fr);padding:26px 22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .container{padding:0 20px;}
  .brand-text{font-size:19px;}
  .section{padding:48px 0;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .section-head.row{flex-direction:column;align-items:flex-start;gap:12px;}
  .media-float{
    position:static;margin-top:16px;right:auto;bottom:auto;width:100%;justify-content:flex-start;
  }
  .tl-item{padding-left:0;padding-top:62px;}
  .timeline::before{display:none;}
  .tl-num{top:0;}
  .cta-band{padding:40px 24px;}
  .mobile-cta{display:block;}
  .to-top{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:56px;margin-top:64px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:479px){
  .hero-actions .btn{width:100%;}
  .stat-band{grid-template-columns:1fr;gap:18px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom nav{gap:14px;}
}