/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand-600:#1B5FD9;
  --brand-700:#14479F;
  --brand-050:#EAF1FE;
  --accent-500:#12A594;
  --accent-050:#E7F6F4;
  --warm-500:#F2A33C;
  --warm-050:#FDF4E7;
  --bg-page:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E4EBF5;
  --text-900:#0F1F35;
  --text-600:#55637A;
  --text-400:#8A97AB;
  --danger:#D64545;
  --shadow-sm:0 1px 2px rgba(15,31,53,.06);
  --shadow-md:0 8px 24px -12px rgba(20,71,159,.18);
  --shadow-lg:0 16px 40px -20px rgba(20,71,159,.24);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  --font-num:Inter,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text-900);font-family:var(--font-sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.tnum{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
section[id],div[id]{scroll-margin-top:88px}
.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}
/* ============ 容器 ============ */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px}
}
/* ============ 按钮 ============ */
.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:500;line-height:1;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-700);color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text-900)}
.btn-outline:hover{border-color:var(--brand-600);background:var(--brand-050);color:var(--brand-600)}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand-700);border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.inline-link{font-size:14px;color:var(--text-600);font-weight:500}
.inline-link:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
/* ============ 站点导航 ============ */
.site-header{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:72px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand-600);color:#fff;display:grid;place-items:center;font-size:15px;flex:0 0 auto}
.brand-text{font-size:16px;font-weight:700;color:var(--text-900);line-height:1.25}
.brand:hover .brand-text{color:var(--brand-600)}
.nav-chips{display:flex;align-items:center;gap:4px;background:#EEF4FE;border-radius:999px;padding:4px;margin-left:6px;min-width:0}
.chip{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--text-600);white-space:nowrap;line-height:1.4;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease}
.chip:hover{color:var(--brand-600)}
.chip.is-active{background:#fff;color:var(--brand-600);box-shadow:var(--shadow-sm)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px;flex:0 0 auto}
.nav-link{font-size:14px;color:var(--text-600)}
.nav-link:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
/* ============ Hero ============ */
.hero{background:linear-gradient(180deg,#EAF1FE 0%,#FFFFFF 100%);padding:72px 0 0}
.hero-copy{padding-right:12px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--brand-600);font-size:13px;font-weight:500;border-radius:6px;padding:6px 12px;margin-bottom:20px}
.hero h1{font-size:38px;line-height:1.3;font-weight:700;letter-spacing:0;color:var(--text-900);margin-bottom:20px}
.hero-sub{font-size:16px;line-height:1.85;color:var(--text-600);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:32px}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-600)}
.hero-trust i{color:var(--accent-500);font-size:14px}
.hero-visual{position:relative;margin-top:8px}
.hero-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--brand-050);box-shadow:var(--shadow-lg)}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-float{position:absolute;left:20px;bottom:20px;right:auto;background:#fff;border-radius:12px;box-shadow:var(--shadow-md);padding:14px 18px;display:flex;align-items:center;gap:12px;max-width:280px}
.media-float .dot{width:8px;height:8px;border-radius:50%;background:var(--accent-500);flex:0 0 auto}
.media-float strong{display:block;font-size:14px;font-weight:600;color:var(--text-900);line-height:1.4}
.media-float span{display:block;font-size:12px;color:var(--text-400);line-height:1.5}
/* 锚点条 */
.anchor-bar{display:flex;flex-wrap:wrap;gap:28px;margin-top:56px;padding:18px 0 20px;border-top:1px solid var(--line)}
.anchor-bar a{font-size:14px;color:var(--text-600);padding-bottom:4px;border-bottom:2px solid transparent;line-height:1.5}
.anchor-bar a:hover,.anchor-bar a.is-active{color:var(--brand-600);border-bottom-color:var(--brand-600)}
/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-page)}
.sec-head{margin-bottom:44px}
.sec-num{display:inline-block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border-radius:6px;padding:4px 10px;margin-bottom:14px;line-height:1.4}
.sec-head h2,.sec-side h2{font-size:27px;line-height:1.35;font-weight:600;color:var(--text-900)}
.sec-desc{font-size:15px;line-height:1.8;color:var(--text-600);margin-top:12px;max-width:640px}
.sec-side{position:sticky;top:104px}
.sec-side h2{margin-top:2px}
/* ============ 卖点区 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.feature-card{position:relative;background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:24px 24px 24px 26px;overflow:hidden;transition:transform .18s ease,box-shadow .18s ease}
.feature-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-600)}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.feature-card:nth-child(even){margin-top:26px}
.feature-icon{width:40px;height:40px;border-radius:10px;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;font-size:16px;margin-bottom:16px}
.feature-card h3{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:10px}
.feature-card p{font-size:15px;line-height:1.8;color:var(--text-600)}
/* ============ 步骤时间轴 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;margin-top:12px}
.step{position:relative;padding:0 22px 0 0}
.step::after{content:"";position:absolute;left:44px;right:0;top:19px;height:1px;background:var(--line)}
.step:last-child::after{display:none}
.step-node{width:40px;height:40px;border-radius:50%;background:var(--accent-050);color:var(--accent-500);display:grid;place-items:center;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:15px;font-weight:600;position:relative;z-index:1;background:var(--accent-050);border:1px solid #C9EAE6}
.step h3{font-size:17px;font-weight:600;line-height:1.4;margin:18px 0 8px}
.step p{font-size:15px;line-height:1.8;color:var(--text-600);padding-right:8px}
/* ============ 数据与证言 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:26px 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:32px;font-weight:700;color:var(--accent-500);line-height:1.2}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-label{display:block;font-size:14px;color:var(--text-600);margin-top:8px;line-height:1.6}
.quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:44px}
.quote-card{position:relative;background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-sm);padding:26px;transition:transform .18s ease,box-shadow .18s ease}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.quote-mark{font-family:Georgia,serif;font-size:34px;line-height:1;color:var(--brand-050);display:block;margin-bottom:6px}
.quote-card p{font-size:16px;line-height:1.85;color:var(--text-900)}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--text-400)}
.quote-avatar{width:28px;height:28px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;font-size:12px;font-weight:600}
/* ============ 资讯列表 ============ */
.badge{display:inline-block;background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:500;border-radius:6px;padding:3px 10px;line-height:1.6;margin-bottom:12px}
.card{display:block;background:#fff;border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;color:inherit}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:inherit}
.news-lead{display:block;height:100%}
.news-lead .news-media{background:var(--brand-050);overflow:hidden}
.news-lead .news-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s ease}
.news-lead:hover .news-media img{transform:scale(1.02)}
.news-lead .news-body{padding:22px 24px 24px}
.news-lead h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:10px}
.news-lead p{font-size:15px;line-height:1.8;color:var(--text-600);margin-bottom:14px}
.news-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-400);font-family:var(--font-num);font-variant-numeric:tabular-nums}
.news-side{display:flex;flex-direction:column;gap:18px;height:100%}
.news-mini{display:flex;gap:14px;padding:16px;align-items:flex-start;flex:1}
.news-mini img{width:96px;height:72px;flex:0 0 auto;border-radius:10px;object-fit:cover;background:var(--brand-050)}
.news-mini .news-mini-body{min-width:0}
.news-mini .badge{margin-bottom:8px}
.news-mini h4{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--text-900)}
.news-mini:hover h4{color:var(--brand-600)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}
.news-grid .card .news-media{background:var(--brand-050)}
.news-grid .card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s ease}
.news-grid .card:hover img{transform:scale(1.02)}
.news-grid .news-body{padding:18px 20px 20px}
.news-grid h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:10px}
.news-grid p{font-size:14px;line-height:1.75;color:var(--text-600);margin-bottom:12px}
.news-foot{display:flex;justify-content:center;margin-top:36px}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px;min-height:260px;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff}
.empty-state i{font-size:28px;color:var(--text-400)}
.empty-state p{font-size:14px;color:var(--text-600)}
/* ============ 分类宽卡 ============ */
.cat-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.cat-card{display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--shadow-sm);color:inherit;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D3E2FA;color:inherit}
.cat-icon{width:48px;height:48px;flex:0 0 auto;border-radius:12px;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;font-size:18px}
.cat-body{min-width:0;flex:1}
.cat-body strong{display:block;font-size:18px;font-weight:600;line-height:1.4;margin-bottom:6px}
.cat-body em{display:block;font-style:normal;font-size:14px;line-height:1.7;color:var(--text-600)}
.cat-arrow{color:var(--brand-600);font-size:15px;transition:transform .18s ease}
.cat-card:hover .cat-arrow{transform:translateX(4px)}
/* ============ 方案对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;margin-top:8px}
.plan-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.plan-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.plan-card.is-featured{border-color:var(--brand-600);box-shadow:var(--shadow-lg);transform:translateY(-8px)}
.plan-card.is-featured:hover{transform:translateY(-10px)}
.plan-flag{position:absolute;top:-12px;right:22px;background:var(--warm-500);color:#fff;font-size:12px;font-weight:500;border-radius:6px;padding:3px 10px;line-height:1.7}
.plan-name{font-size:18px;font-weight:600;line-height:1.4}
.plan-note{font-size:14px;color:var(--text-600);margin-top:8px;line-height:1.7}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:20px 0 6px}
.price-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:38px;font-weight:700;line-height:1;color:var(--text-900)}
.price-unit{font-size:14px;color:var(--text-400)}
.plan-line{height:1px;background:var(--line);margin:20px 0}
.plan-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:1.75;color:var(--text-600);padding:7px 0}
.plan-list i{color:var(--accent-500);font-size:13px;margin-top:7px;flex:0 0 auto}
.plan-btn{margin-top:22px;width:100%}
/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;text-align:left;padding:20px 0;font-size:16px;font-weight:600;line-height:1.6;color:var(--text-900);transition:color .18s ease}
.faq-q:hover{color:var(--brand-600)}
.faq-q i{color:var(--text-400);font-size:14px;transition:transform .22s ease;flex:0 0 auto}
.faq-item.is-open .faq-q{color:var(--brand-600)}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand-600)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-600);padding:0 32px 20px 0}
.faq-item.is-open .faq-a{max-height:360px}
.faq-contact{margin-top:26px;background:var(--brand-050);border-radius:var(--r-card);padding:20px 22px}
.faq-contact strong{display:block;font-size:15px;font-weight:600;margin-bottom:6px}
.faq-contact p{font-size:14px;line-height:1.75;color:var(--text-600);margin-bottom:14px}
/* ============ 结尾 CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--brand-700);border-radius:16px;padding:42px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:18px 18px;opacity:.55;pointer-events:none}
.cta-band-inner{position:relative;z-index:1}
.cta-band h3{font-size:24px;font-weight:600;line-height:1.4;color:#fff;margin-bottom:8px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:600px}
.cta-band .btn{position:relative;z-index:1}
/* ============ 页脚 ============ */
.site-footer{background:var(--bg-page);border-top:1px solid var(--line);padding:64px 0 0;margin-top:88px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:9px;font-size:13px}
.foot-brand span{font-size:15px;font-weight:700;color:var(--text-900);line-height:1.3}
.foot-desc{font-size:14px;line-height:1.8;color:var(--text-600);max-width:280px}
.foot-title{font-size:15px;font-weight:600;color:var(--text-900);margin-bottom:16px;line-height:1.5}
.foot-list li{margin-bottom:10px}
.foot-list a{font-size:14px;color:var(--text-600)}
.foot-list a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.foot-list span{font-size:14px;color:var(--text-600)}
.foot-bottom{margin-top:48px;border-top:1px solid var(--line);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-bottom p{font-size:13px;color:var(--text-400);line-height:1.7}
.foot-bottom a{color:var(--text-400)}
.foot-bottom a:hover{color:var(--brand-600)}
/* ============ 浮动 CTA ============ */
.float-cta{position:fixed;right:28px;bottom:32px;z-index:950;display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 24px;border-radius:999px;background:var(--brand-600);color:#fff;font-size:15px;font-weight:500;box-shadow:var(--shadow-lg);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .22s ease,transform .22s ease,background-color .18s ease}
.float-cta:hover{background:var(--brand-700);color:#fff}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
/* ============ 响应式 ============ */
@media (max-width:1023px){
  .hero{padding-top:52px}
  .hero h1{font-size:30px}
  .hero-copy{padding-right:0;margin-bottom:32px}
  .section{padding:64px 0}
  .sec-side{position:static;margin-bottom:28px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0}
  .step:nth-child(2)::after{display:none}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .news-side{margin-top:20px}
  .plan-grid{grid-template-columns:1fr;gap:22px}
  .plan-card.is-featured{transform:none}
  .plan-card.is-featured:hover{transform:translateY(-2px)}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .nav-link{display:none}
  .anchor-bar{gap:20px;margin-top:40px}
}
@media (max-width:900px){
  .nav-chips{overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity}
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{scroll-snap-align:start}
}
@media (max-width:767px){
  .news-grid{grid-template-columns:1fr;gap:18px}
  .cat-list{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .feature-card:nth-child(even){margin-top:0}
  .cta-band{padding:32px 26px;flex-direction:column;align-items:flex-start}
  .cta-band h3{font-size:20px}
}
@media (max-width:639px){
  .nav-inner{flex-wrap:wrap;gap:10px;padding-top:12px;padding-bottom:10px;min-height:auto}
  .brand{order:1}
  .brand-mark{width:32px;height:32px;font-size:13px}
  .brand-text{font-size:12px;max-width:104px;line-height:1.25}
  .nav-actions{order:2;gap:12px}
  .nav-chips{order:3;width:100%;margin-left:0;background:#EEF4FE}
  .hero{padding-top:40px}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .hero-trust{gap:14px 18px;margin-top:26px}
  .section{padding:48px 0}
  .sec-head h2,.sec-side h2{font-size:22px}
  .sec-desc{font-size:15px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{padding-right:0;padding-left:56px}
  .step::after{left:19px;right:auto;top:44px;bottom:-26px;width:1px;height:auto}
  .step-node{position:absolute;left:0;top:0}
  .step h3{margin-top:0}
  .stat-row{grid-template-columns:1fr}
  .stat{border-left:0;padding:20px 0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .stat:first-child{padding-top:0}
  .stat-num{font-size:26px}
  .news-mini img{width:84px;height:64px}
  .news-mini{flex:1}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom{flex-direction:column;gap:8px}
  .float-cta{right:0;left:0;bottom:0;width:100%;height:56px;border-radius:0;justify-content:center;transform:translateY(100%);box-shadow:0 -6px 20px -10px rgba(20,71,159,.32)}
  .float-cta.is-visible{transform:translateY(0)}
  .cta-band{padding:28px 22px}
  .site-footer{padding-top:48px;margin-top:56px;padding-bottom:56px}
}

/* roulang page: article */
:root{
  --brand-600:#1B5FD9;
  --brand-700:#14479F;
  --brand-050:#EAF1FE;
  --accent-500:#12A594;
  --warm-500:#F2A33C;
  --bg-page:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E4EBF5;
  --text-900:#0F1F35;
  --text-600:#55637A;
  --text-400:#8A97AB;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(15,31,53,.06);
  --shadow-md:0 8px 24px -12px rgba(20,71,159,.18);
  --shadow-lg:0 16px 40px -20px rgba(20,71,159,.24);
  --font-base:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
}
img{max-width:100%;display:block;background:var(--brand-050);}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px;}
.num,.eyebrow,.meta-item time{font-variant-numeric:tabular-nums;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%;}
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);background:#fff;}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-900);text-decoration:none;flex:0 0 auto;}
.brand:hover{text-decoration:none;color:var(--text-900);}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-600);color:#fff;font-size:16px;
  box-shadow:var(--shadow-sm);
}
.brand-text{font-size:17px;font-weight:700;white-space:nowrap;}
.nav-chips{
  display:flex;align-items:center;gap:2px;
  background:#EEF4FE;border-radius:999px;padding:4px;
  margin-left:8px;
}
.chip{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-600);
  white-space:nowrap;transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{color:var(--brand-600);text-decoration:none;}
.chip.is-active{
  background:#fff;color:var(--brand-600);
  box-shadow:var(--shadow-sm);font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-link{font-size:14px;color:var(--text-600);}
.nav-link:hover{color:var(--brand-600);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--brand-700);color:#fff;}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-600);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;
  background:#fff;border:1px solid var(--line);color:var(--text-900);
  cursor:pointer;font-size:16px;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#F8FAFE;}
.mobile-panel.is-open{display:block;}
.mobile-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:12px 24px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.mobile-scroll::-webkit-scrollbar{display:none;}
.mobile-scroll .chip{background:#fff;border:1px solid var(--line);scroll-snap-align:start;}
.mobile-scroll .chip.is-active{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-600);}
.mobile-links{padding:4px 24px 18px;display:grid;gap:10px;}
.mobile-links a{font-size:15px;color:var(--text-600);padding:8px 0;border-bottom:1px solid var(--line);}
.mobile-links a:last-child{border-bottom:none;}

.article-hero{
  background:linear-gradient(180deg,#EAF1FE 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:34px 0 40px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-400);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-600);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--text-400);}
.breadcrumb .current{color:var(--text-400);}
.article-hero h1{
  font-size:36px;line-height:1.3;font-weight:700;
  max-width:900px;margin-bottom:18px;
}
.article-hero .lead{
  font-size:16px;color:var(--text-600);max-width:780px;margin-bottom:20px;
  line-height:1.85;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-400);}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item i{color:var(--accent-500);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-050);color:var(--brand-600);
  font-size:12px;font-weight:500;border-radius:6px;
  padding:4px 10px;line-height:1.6;
}
.badge-warm{background:#FEF3E4;color:#B26A12;}

.article-body{padding:56px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.reading{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:40px 44px;}
.prose{max-width:800px;font-size:16.5px;line-height:1.85;color:var(--text-900);}
.prose>*+*{margin-top:20px;}
.prose p{margin-bottom:20px;color:var(--text-600);}
.prose h2{
  font-size:26px;font-weight:700;margin-top:40px;margin-bottom:14px;
  padding-top:6px;color:var(--text-900);
}
.prose h3{font-size:19px;font-weight:600;margin-top:28px;margin-bottom:10px;}
.prose ul,.prose ol{margin:0 0 22px;padding-left:4px;}
.prose ul li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--text-600);}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:12px;
  width:7px;height:7px;border-radius:50%;background:var(--accent-500);
}
.prose ol{counter-reset:item;padding-left:0;}
.prose ol li{position:relative;padding-left:30px;margin-bottom:10px;color:var(--text-600);}
.prose ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:6px;
  background:var(--brand-050);color:var(--brand-600);
  font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--brand-600);
  background:var(--bg-page);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--text-600);font-size:15.5px;
}
.prose blockquote p{margin-bottom:0;}
.prose img{border-radius:var(--radius-img);margin:24px auto;box-shadow:var(--shadow-sm);}
.prose figure{margin:24px 0;}
.prose figcaption{font-size:13px;color:var(--text-400);text-align:center;margin-top:10px;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;background:var(--bg-page);border-radius:var(--radius-img);overflow:hidden;}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left;color:var(--text-600);}
.prose th{background:var(--brand-050);color:var(--text-900);font-weight:600;}
.prose code{background:var(--brand-050);color:var(--brand-700);border-radius:6px;padding:2px 6px;font-size:14px;}
.prose a{font-weight:500;}

.empty-state{
  max-width:620px;margin:0 auto;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--surface);padding:56px 28px;
}
.empty-state i{font-size:28px;color:var(--brand-600);margin-bottom:14px;display:block;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--text-400);margin-bottom:22px;}

.side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:22px;
}
.side-title{
  font-size:13px;font-weight:600;color:var(--text-400);
  letter-spacing:0;margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-title i{color:var(--brand-600);}
.toc-list{display:grid;gap:2px;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-600);
  padding:8px 10px;border-radius:8px;border-left:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a:hover{background:var(--brand-050);color:var(--brand-600);text-decoration:none;border-left-color:var(--brand-600);}
.side-note{font-size:13px;color:var(--text-400);line-height:1.8;}
.side-actions{display:grid;gap:10px;}
.side-actions .btn{width:100%;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:500;transition:background .18s ease;
}
.tag:hover{background:#DCE8FD;text-decoration:none;}

.related{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{font-size:26px;}
.section-head .more{font-size:14px;color:var(--text-600);}
.section-head .more:hover{color:var(--brand-600);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-050);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.card:hover .card-thumb img{transform:scale(1.02);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.card-body h3 a{color:var(--text-900);}
.card-body h3 a:hover{color:var(--brand-600);text-decoration:none;}
.card-body p{font-size:14px;color:var(--text-600);line-height:1.75;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-400);margin-top:auto;padding-top:8px;}
.empty-inline{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:32px;text-align:center;font-size:14px;color:var(--text-400);background:var(--surface);
}
.back-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

.cta-band{
  background:var(--brand-700);border-radius:16px;color:#fff;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:14px 14px;opacity:.7;pointer-events:none;
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px;}
.btn-invert{background:#fff;color:var(--brand-700);}
.btn-invert:hover{background:#EAF1FE;color:var(--brand-700);}

.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text-900);margin-bottom:12px;}
.foot-desc{font-size:14px;color:var(--text-600);line-height:1.8;max-width:280px;}
.foot-title{font-size:14px;font-weight:600;color:var(--text-900);margin-bottom:14px;}
.foot-list{display:grid;gap:10px;}
.foot-list a,.foot-list span{font-size:14px;color:var(--text-600);}
.foot-list a:hover{color:var(--brand-600);}
.foot-bottom{
  border-top:1px solid var(--line);padding:18px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-400);
}
.foot-bottom p{margin:0;}
.foot-bottom a{color:var(--text-400);}
.foot-bottom a:hover{color:var(--brand-600);}

@media screen and (max-width:1024px){
  .nav-chips{display:none;}
  .nav-actions .nav-link{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-actions{margin-left:0;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .side{position:static;}
  .reading{padding:32px 28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .article-hero h1{font-size:30px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
}
@media screen and (max-width:640px){
  body{font-size:15px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .brand-text{font-size:15px;white-space:normal;line-height:1.35;max-width:170px;}
  .article-hero{padding:24px 0 28px;}
  .article-hero h1{font-size:26px;}
  .article-hero .lead{font-size:15px;}
  .article-body{padding:32px 0 48px;}
  .reading{padding:24px 20px;border-radius:12px;}
  .prose{font-size:16px;}
  .prose h2{font-size:22px;margin-top:32px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .foot-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;}
  .cta-band h2{font-size:20px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-600:#1B5FD9;
  --brand-700:#14479F;
  --brand-050:#EAF1FE;
  --accent-500:#12A594;
  --warm-500:#F2A33C;
  --bg-page:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E4EBF5;
  --text-900:#0F1F35;
  --text-600:#55637A;
  --text-400:#8A97AB;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(15,31,53,.06);
  --shadow-md:0 8px 24px -12px rgba(20,71,159,.18);
  --shadow-lg:0 16px 40px -20px rgba(20,71,159,.24);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
}
img{max-width:100%;display:block}
a{color:var(--text-900);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.num,time,.sec-num,.stat-num,.step-idx{font-variant-numeric:tabular-nums;font-family:Inter,system-ui,-apple-system,"PingFang SC",sans-serif}

/* ===== 容器 ===== */
.grid-container{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:640px){.grid-container{padding-left:24px;padding-right:24px}}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  min-height:68px;padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:var(--brand-600);color:#fff;
  display:grid;place-items:center;font-size:15px;
}
.brand-text{font-size:16px;font-weight:700;color:var(--text-900);white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:2px;
  margin:0 auto;padding:4px;
  background:#EEF4FE;border-radius:999px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-600);
  white-space:nowrap;scroll-snap-align:start;text-decoration:none;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{color:var(--brand-700);background:#fff;text-decoration:none}
.chip.is-active{background:#fff;color:var(--brand-600);box-shadow:var(--shadow-sm)}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.nav-link{font-size:14px;color:var(--text-600)}
.nav-link:hover{color:var(--brand-600);text-decoration:none}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .12s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--brand-700);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text-900)}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-050);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:var(--brand-050);color:var(--brand-700)}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}

/* ===== 面包屑 ===== */
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-400);margin-bottom:16px}
.crumbs a{color:var(--text-600)}
.crumbs a:hover{color:var(--brand-600);text-decoration:none}
.crumbs .cur{color:var(--text-400)}

/* ===== Hero ===== */
.cat-hero{
  background:linear-gradient(180deg,#EAF1FE 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 48px;
}
.cat-hero h1{font-size:36px;margin-bottom:14px}
.cat-hero .hero-note{font-size:16px;color:var(--text-600);max-width:520px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-figure{
  margin:26px 0 0;border-radius:var(--radius-img);overflow:hidden;
  background:var(--brand-050);box-shadow:var(--shadow-md);
}
.hero-figure img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover}
@media (min-width:1024px){
  .cat-hero{padding:52px 0 56px}
  .hero-figure{margin:0}
  .cat-hero h1{font-size:38px}
}

/* ===== 页内小标签条 ===== */
.section-tabs{
  position:sticky;top:68px;z-index:800;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.tabs-inner{display:flex;gap:22px;overflow-x:auto;scrollbar-width:none}
.tabs-inner::-webkit-scrollbar{display:none}
.tab{
  display:inline-flex;align-items:center;min-height:48px;
  font-size:14px;color:var(--text-600);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.tab:hover{color:var(--brand-600);text-decoration:none}
.tab.is-current{color:var(--brand-600);border-bottom-color:var(--brand-600);font-weight:500}

/* ===== 板块 ===== */
.section{padding:var(--space-section) 0;scroll-margin-top:88px}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:400px}
.sec-num{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border-radius:6px;padding:4px 10px;margin-bottom:14px;
}
.sec-head h2{font-size:27px;margin-bottom:12px}
.sec-desc{font-size:15px;color:var(--text-600);line-height:1.8}
.prose p{font-size:16px;line-height:1.85;color:var(--text-600);margin-bottom:18px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--text-900);font-weight:600}

/* ===== 要点列表 ===== */
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{
  position:relative;padding-left:30px;font-size:15px;line-height:1.8;color:var(--text-600);
}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:6px;
  background:rgba(18,165,148,.12);color:var(--accent-500);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.check-list li b{color:var(--text-900);font-weight:600}

/* ===== 场景卡 ===== */
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.scene-ic{
  width:44px;height:44px;border-radius:12px;background:var(--brand-050);
  color:var(--brand-600);display:grid;place-items:center;font-size:18px;margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--text-600);line-height:1.8}
.scene-wide{
  margin-top:20px;display:flex;flex-direction:column;gap:14px;
  background:var(--brand-050);border:1px solid #D8E4FB;border-radius:var(--radius-card);
  padding:24px;border-left:4px solid var(--brand-600);
}
.scene-wide h3{font-size:18px}
.scene-wide p{font-size:15px;color:var(--text-600);line-height:1.8}
@media (min-width:1024px){
  .scene-wide{flex-direction:row;align-items:center;gap:28px}
  .scene-wide .sw-text{flex:1}
}

/* ===== 步骤时间轴 ===== */
.steps{position:relative;display:grid;gap:28px;margin-top:8px}
.step{position:relative;padding-left:44px}
.step::before{
  content:"";position:absolute;left:15px;top:34px;bottom:-28px;width:1px;background:var(--line);
}
.step:last-child::before{display:none}
.step-idx{
  position:absolute;left:0;top:0;
  width:32px;height:32px;border-radius:999px;
  background:var(--surface);border:1px solid var(--accent-500);color:var(--accent-500);
  font-size:14px;font-weight:600;display:grid;place-items:center;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:15px;color:var(--text-600);line-height:1.8}
@media (min-width:1024px){
  .steps{grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
  .step{padding-left:0;padding-top:52px}
  .step::before{left:16px;right:-24px;top:16px;bottom:auto;width:auto;height:1px}
  .step:last-child::before{display:none}
  .step-idx{top:0}
}

/* ===== 排查提示 ===== */
.tip-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,transform .18s ease;
}
.tip-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.tip-item h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.tip-item h3 i{color:var(--warm-500);font-size:15px}
.tip-item p{font-size:15px;color:var(--text-600);line-height:1.8}

/* ===== FAQ 手风琴 ===== */
.acc{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:20px 4px;font-size:16px;font-weight:600;color:var(--text-900);
  transition:color .18s ease;
}
.acc-q:hover{color:var(--brand-600)}
.acc-ic{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  background:var(--brand-050);color:var(--brand-600);
  display:grid;place-items:center;font-size:11px;
  transition:transform .2s ease,background .2s ease;
}
.acc-q[aria-expanded="true"] .acc-ic{transform:rotate(180deg);background:var(--brand-600);color:#fff}
.acc-a{padding:0 4px 22px}
.acc-a p{font-size:15px;line-height:1.85;color:var(--text-600)}

/* ===== 互链卡 ===== */
.link-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D8E4FB;text-decoration:none}
.link-card figure{
  margin:0;flex:0 0 96px;width:96px;border-radius:10px;overflow:hidden;background:var(--brand-050);
}
.link-card figure img{width:96px;height:72px;object-fit:cover}
.link-card .lc-body{flex:1;min-width:0}
.link-card h3{font-size:17px;margin-bottom:6px}
.link-card p{font-size:14px;color:var(--text-600);line-height:1.7}
.link-card .lc-arrow{color:var(--brand-600);font-size:15px;transition:transform .18s ease}
.link-card:hover .lc-arrow{transform:translateX(4px)}

/* ===== CTA 带 ===== */
.cta-band{
  background:var(--brand-700);border-radius:16px;padding:36px 28px;
  display:flex;flex-direction:column;gap:20px;align-items:flex-start;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-band h2{font-size:24px;color:#fff;max-width:640px}
.cta-band p{font-size:15px;color:#D6E2F8;line-height:1.8;max-width:640px}
@media (min-width:1024px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;gap:40px}
  .cta-band h2{font-size:26px}
}

/* ===== 页脚 ===== */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:56px 0 0;margin-top:var(--space-section)}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:14px}
.foot-desc{font-size:14px;color:var(--text-600);line-height:1.8}
.foot-title{font-size:15px;margin-bottom:16px}
.foot-list{display:grid;gap:10px}
.foot-list li{font-size:14px;color:var(--text-600);line-height:1.7}
.foot-list a{color:var(--text-600)}
.foot-list a:hover{color:var(--brand-600);text-decoration:none}
.foot-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
}
.foot-bottom p{font-size:13px;color:var(--text-400)}
.foot-bottom a{color:var(--text-400)}
.foot-bottom a:hover{color:var(--brand-600)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--space-section:64px}
  .nav-inner{flex-wrap:wrap;row-gap:8px;padding-bottom:12px}
  .nav-actions{margin-left:auto}
  .nav-link{display:none}
  .nav-chips{order:3;width:100%;margin:0;border-radius:999px}
  .section-tabs{top:0}
}
@media (max-width:639px){
  :root{--space-section:48px}
  body{font-size:15px}
  .brand-text{font-size:15px}
  .cat-hero h1{font-size:27px}
  .sec-head h2{font-size:22px}
  .cta-band h2{font-size:21px}
  .steps .step{padding-left:40px}
}
@media (min-width:1440px){
  .grid-container{max-width:1200px}
}

/* roulang page: category2 */
:root{
  --brand-600:#1B5FD9;
  --brand-700:#14479F;
  --brand-050:#EAF1FE;
  --accent-500:#12A594;
  --warm-500:#F2A33C;
  --bg-page:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E4EBF5;
  --text-900:#0F1F35;
  --text-600:#55637A;
  --text-400:#8A97AB;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 1px 2px rgba(15,31,53,.06);
  --shadow-md:0 8px 24px -12px rgba(20,71,159,.18);
  --shadow-lg:0 16px 40px -20px rgba(20,71,159,.24);
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0;line-height:inherit}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-600)}
button{font-family:inherit;font-size:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,textarea,select{font-family:inherit}
[hidden]{display:none !important}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:2px}
.num,.tabular,time,.hero-meta{font-variant-numeric:tabular-nums}

/* 容器与栅格 */
.grid-container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.grid-x{display:flex;flex-flow:row wrap;align-items:stretch}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px;min-width:0}
.cell{flex:0 0 auto;width:100%;min-height:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:500;line-height:1;white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .1s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand-600);color:#fff}
.btn-primary:hover{background:var(--brand-700);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand-600);border-color:#C9DCFB}
.btn-outline:hover{background:var(--brand-050);border-color:var(--brand-600);color:var(--brand-600)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:#EAF1FE;color:var(--brand-700)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  background:var(--brand-050);color:var(--brand-600);
  font-size:12px;font-weight:500;line-height:1.6;
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:900;
  background:#fff;border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  background:var(--brand-600);color:#fff;
  display:grid;place-items:center;font-size:16px;
}
.brand-text{font-size:17px;font-weight:700;color:var(--text-900)}
.nav-chips{
  display:flex;align-items:center;gap:2px;margin:0 auto;
  background:#EEF4FE;border-radius:999px;padding:4px;min-width:0;
}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:500;color:var(--text-600);white-space:nowrap;
}
.chip:hover{color:var(--brand-600)}
.chip.is-active{background:#fff;color:var(--brand-600);box-shadow:var(--shadow-sm)}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-link{font-size:14px;color:var(--text-600)}
.nav-link:hover{color:var(--brand-600)}
.menu-toggle{
  display:none;align-items:center;gap:6px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;font-size:14px;font-weight:500;color:var(--text-900);
}
.mobile-panel{display:none;background:var(--bg-page);border-bottom:1px solid var(--line);padding:8px 0 20px}
.mobile-panel.is-open{display:block}
.mp-title{font-size:12px;color:var(--text-400);padding:10px 0 4px}
.mp-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;font-weight:500;color:var(--text-900);
  border-bottom:1px solid var(--line);
}
.mp-link i{color:var(--text-400);font-size:13px}
.mp-link.is-active{color:var(--brand-600)}
.mp-btn{width:100%;margin-top:16px}

/* 分类页顶部 */
.cat-hero{
  background:linear-gradient(180deg,#EAF1FE 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:28px 0 34px;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-400);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-600)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .current{color:var(--text-400)}
.hero-row{align-items:center}
.cat-hero h1{font-size:34px;font-weight:700;line-height:1.32;margin:14px 0 12px}
.hero-lead{font-size:16px;color:var(--text-600);line-height:1.8;max-width:580px}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:18px;font-size:13px;color:var(--text-400)}
.hero-meta i{color:var(--accent-500);margin-right:6px}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);background:var(--brand-050);box-shadow:var(--shadow-md);
}

/* 页内标签条 */
.subnav{position:sticky;top:72px;z-index:800;background:#fff;border-bottom:1px solid var(--line)}
.subnav-list{display:flex;align-items:center;gap:26px;overflow-x:auto;padding:8px 0;scrollbar-width:none;-ms-overflow-style:none}
.subnav-list::-webkit-scrollbar{display:none}
.subnav-list a{
  font-size:13px;color:var(--text-600);white-space:nowrap;
  padding:6px 0;border-bottom:2px solid transparent;
}
.subnav-list a:hover{color:var(--brand-600)}
.subnav-list a.is-current{color:var(--brand-600);border-bottom-color:var(--brand-600)}

/* 主体 */
.page-body{padding:48px 0 64px}
.block{
  margin-bottom:56px;scroll-margin-top:150px;
}
.block:last-child{margin-bottom:0}
.block-head{margin-bottom:22px}
.block-head .num{
  display:block;font-size:13px;font-weight:600;color:var(--accent-500);
  margin-bottom:8px;
}
.block-head h2{font-size:26px;font-weight:700;line-height:1.35;margin-bottom:10px}
.block-sub{font-size:15px;color:var(--text-600);line-height:1.8}
.para{font-size:16px;line-height:1.85;color:var(--text-600);margin-bottom:18px}
.para strong{color:var(--text-900);font-weight:600}
.note{
  background:var(--brand-050);border-left:3px solid var(--brand-600);
  border-radius:10px;padding:16px 20px;
  font-size:15px;line-height:1.8;color:var(--text-900);
}
.note i{color:var(--brand-600);margin-right:8px}

/* 要点卡 */
.check-grid>.cell{margin-bottom:20px}
.check-card{
  height:100%;background:#fff;border-left:3px solid var(--brand-600);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:20px 22px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.check-card .ci{
  width:34px;height:34px;border-radius:9px;margin-bottom:12px;
  background:var(--brand-050);color:var(--brand-600);
  display:grid;place-items:center;font-size:14px;
}
.check-card h3{font-size:18px;font-weight:600;margin-bottom:8px;line-height:1.5}
.check-card p{font-size:15px;color:var(--text-600);line-height:1.75}

/* 步骤 */
.steps{position:relative;padding-left:36px;display:flex;flex-direction:column;gap:24px}
.steps::before{content:"";position:absolute;left:12px;top:8px;bottom:8px;width:1px;background:var(--line)}
.step{position:relative}
.step-num{
  position:absolute;left:-36px;top:2px;
  width:25px;height:25px;border-radius:50%;
  background:var(--accent-500);color:#fff;
  font-size:13px;font-weight:600;
  display:grid;place-items:center;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:6px;line-height:1.5}
.step p{font-size:15px;color:var(--text-600);line-height:1.8}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-btn{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:44px;padding:18px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-900);
  transition:color .18s ease;
}
.faq-btn:hover{color:var(--brand-600)}
.faq-btn i{color:var(--text-400);font-size:14px;transition:transform .2s ease,color .2s ease}
.faq-btn[aria-expanded="true"] i{transform:rotate(180deg);color:var(--brand-600)}
.faq-a{padding:0 0 20px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-600)}

/* 互链卡 */
.cat-card{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 22px;box-shadow:var(--shadow-sm);margin-bottom:16px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D3E1F8;color:inherit}
.cat-icon{
  width:48px;height:48px;border-radius:12px;flex:0 0 auto;
  background:var(--brand-050);color:var(--brand-600);
  display:grid;place-items:center;font-size:18px;
}
.cat-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.cat-body strong{font-size:17px;font-weight:600;color:var(--text-900)}
.cat-body em{font-style:normal;font-size:14px;color:var(--text-600);line-height:1.7}
.cat-arrow{margin-left:auto;color:var(--text-400);font-size:15px;transition:transform .18s ease,color .18s ease}
.cat-card:hover .cat-arrow{transform:translateX(4px);color:var(--brand-600)}
.back-home{margin-top:14px;font-size:14px}
.back-home a{color:var(--text-600);display:inline-flex;align-items:center;gap:8px;min-height:44px}
.back-home a:hover{color:var(--brand-600)}
.back-home i{color:var(--accent-500)}

/* 目录 */
.toc{
  position:sticky;top:150px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.toc-title{font-size:13px;color:var(--text-400);margin-bottom:10px}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  min-height:40px;padding:0 10px;border-radius:8px;
  font-size:14px;color:var(--text-600);
  transition:background-color .18s ease,color .18s ease;
}
.toc-list a:hover{background:var(--brand-050);color:var(--brand-600)}
.toc-list a.is-active{background:var(--brand-050);color:var(--brand-600);font-weight:600}
.toc-list .num{font-size:12px;color:var(--text-400)}
.toc-list a.is-active .num{color:var(--brand-600)}
.toc-cta{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.toc-cta p{font-size:13px;color:var(--text-600);margin-bottom:10px}
.toc-cta .btn{width:100%}

/* CTA 带 */
.cta-wrap{padding:0 0 72px}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-700);border-radius:16px;
  padding:36px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:18px 18px;opacity:.6;pointer-events:none;
}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4;color:#fff;margin-bottom:8px}
.cta-band p{font-size:15px;color:rgba(255,255,255,.8);line-height:1.7}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:12px}
.foot-desc{font-size:14px;color:var(--text-600);line-height:1.75;max-width:300px}
.foot-title{font-size:14px;font-weight:600;margin-bottom:14px}
.foot-list li{margin-bottom:10px;font-size:14px;color:var(--text-600);line-height:1.7}
.foot-list a{color:var(--text-600)}
.foot-list a:hover{color:var(--brand-600)}
.foot-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--text-400);
}
.foot-bottom a{color:var(--text-400)}
.foot-bottom a:hover{color:var(--brand-600)}

/* 响应式 */
@media (max-width:1023px){
  .cat-hero h1{font-size:28px}
  .cat-hero{padding:24px 0 28px}
  .hero-figure{margin-top:22px}
  .page-body{padding:36px 0 48px}
  .block{margin-bottom:44px;scroll-margin-top:132px}
  .block-head h2{font-size:22px}
  .toc{position:static;margin-bottom:28px}
  .page-body .grid-x>.cell.large-4{order:-1}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 26px}
  .cta-wrap{padding-bottom:56px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:959px){
  .nav-chips{display:none}
  .nav-link{display:none}
  .menu-toggle{display:inline-flex}
  .brand-text{font-size:16px}
}
@media (max-width:639px){
  body{font-size:15px}
  .grid-container{padding-left:18px;padding-right:18px}
  .nav-inner{min-height:64px}
  .subnav{top:64px}
  .subnav-list{gap:20px}
  .cat-hero h1{font-size:26px}
  .hero-lead{font-size:15px}
  .hero-meta{gap:14px}
  .block-head h2{font-size:22px}
  .para{font-size:15px}
  .cta-band h2{font-size:20px}
  .cta-wrap{padding-bottom:48px}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-desc{max-width:100%}
  .foot-bottom{flex-direction:column;gap:6px}
  .cat-card{padding:16px;gap:14px}
  .cat-icon{width:44px;height:44px;border-radius:11px}
}