/* roulang page: index */
:root{
  --primary:#2C63D4;
  --primary-dark:#1E48A8;
  --primary-light:#E8F0FE;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --accent-dark:#E5641F;
  --green:#14A085;
  --green-light:#E6F6F2;
  --text:#1B2A41;
  --text-2:#5B6B85;
  --text-3:#8A98AE;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E4EBF6;
  --line:#EEF3FA;
  --footer:#16233D;
  --r-lg:14px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(21,48,102,.06);
  --sh-md:0 4px 16px rgba(21,48,102,.08);
  --sh-lg:0 12px 32px rgba(21,48,102,.12);
  --t:180ms ease;
}
*,*::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","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-md)}
a{color:var(--primary);text-decoration:none;transition:color var(--t)}
a:hover,a:focus{color:var(--primary-dark)}
a:visited{color:var(--primary-dark)}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-family:inherit}
h1{font-size:44px;line-height:1.2;letter-spacing:-.01em;font-weight:700}
h2{font-size:32px;line-height:1.3;font-weight:600}
h3{font-size:22px;line-height:1.4;font-weight:600}
h4{font-size:18px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.foundation-clear{display:none}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.brand-text{font-size:20px;font-weight:700;color:var(--text);white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:28px;margin-left:10px}
.nav-link{position:relative;font-size:15.5px;font-weight:500;color:var(--text-2);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;padding:0 14px;
  background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search i{color:var(--text-3);font-size:13px;margin-right:8px}
.nav-search input{flex:1;height:100%;border:0;background:transparent;outline:none;color:var(--text);font-size:14px}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.12)}
.hamburger{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text-2);
}
.hamburger:hover{color:var(--primary);border-color:var(--primary)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,64,.35);z-index:80;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:#fff;padding:24px;overflow-y:auto;box-shadow:var(--sh-lg);
  transform:translateX(100%);transition:transform 180ms ease;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:38px;height:38px;border:1px solid var(--border);border-radius:var(--r-sm);background:#fff;color:var(--text-2)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-sm);font-size:16px;font-weight:500;color:var(--text-2)}
.drawer-nav a:hover{background:var(--primary-light);color:var(--primary)}
.drawer-nav a.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.drawer-actions{display:flex;flex-direction:column;gap:12px}
.drawer-search{display:flex;align-items:center;height:44px;padding:0 14px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);margin-bottom:16px}
.drawer-search i{color:var(--text-3);margin-right:8px;font-size:13px}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-sm);
  border:1px solid transparent;font-size:15.5px;font-weight:600;
  white-space:nowrap;text-align:center;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);box-shadow:var(--sh-sm)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;color:var(--text-2);border-color:transparent}
.btn-ghost:hover{color:var(--primary);text-decoration:underline}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.5;
}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-accent{background:var(--accent-light);color:var(--accent-dark)}
.badge-green{background:var(--green-light);color:var(--green)}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#FFFFFF 0%,#F3F8FF 52%,#E8F0FE 100%);
}
.hero::before{
  content:"";position:absolute;left:-140px;bottom:-180px;
  width:460px;height:460px;border-radius:50%;background:rgba(44,99,212,.055);
}
.hero::after{
  content:"";position:absolute;right:-100px;top:-140px;
  width:360px;height:360px;border-radius:50%;background:rgba(255,122,51,.07);
}
.hero-inner{position:relative;z-index:1;padding:76px 0 84px}
.hero-grid{align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--primary-light);color:var(--primary);
  font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:18px;line-height:1.85;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.trust-row{display:flex;flex-wrap:wrap;gap:14px 34px}
.trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2)}
.trust-item i{color:var(--green);font-size:15px}
.hero-visual{position:relative}
.hero-figure{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--sh-lg)}
.hero-figure img{width:100%;border-radius:0}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(44,99,212,.06),rgba(44,99,212,.26));
}
.hero-badge{
  position:absolute;left:20px;bottom:24px;z-index:3;
  background:#fff;border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-md);
  display:flex;align-items:center;gap:12px;
}
.hero-badge i{color:var(--accent);font-size:20px}
.hero-badge strong{display:block;font-size:15px;font-weight:700;line-height:1.4}
.hero-badge span{font-size:12.5px;color:var(--text-3)}

/* 板块通用 */
.section{padding:88px 0}
.section-white{background:#fff}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin:14px 0 14px}
.section-head p{font-size:16.5px;color:var(--text-2)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}
.head-row .section-head{margin-bottom:0}
.text-link{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform var(--t)}
.text-link:hover i{transform:translateX(3px)}

/* 优惠阶梯 */
.ladder-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end;position:relative;z-index:1}
.ladder-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-sm);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.ladder-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.ladder-card:nth-child(1){min-height:296px}
.ladder-card:nth-child(2){min-height:336px}
.ladder-card:nth-child(3){min-height:376px}
.ladder-card:nth-child(4){min-height:416px;border-color:var(--accent);box-shadow:var(--sh-lg)}
.ladder-card.is-top::before{
  content:"推荐档位";position:absolute;top:-13px;right:18px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);
}
.ladder-num{font-size:38px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.1}
.ladder-card.is-top .ladder-num{color:var(--accent-dark)}
.ladder-card h3{font-size:19px;margin:10px 0 8px}
.ladder-threshold{font-size:13.5px;color:var(--text-3);margin-bottom:16px;padding-bottom:16px;border-bottom:1px dashed var(--border)}
.ladder-list{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;font-size:14.5px;color:var(--text-2)}
.ladder-list li{display:flex;gap:9px;line-height:1.65}
.ladder-list i{color:var(--green);font-size:12px;margin-top:6px}
.ladder-card .btn{margin-top:auto}
.ladder-rail{
  height:4px;border-radius:4px;margin-top:26px;
  background:linear-gradient(90deg,rgba(44,99,212,.14),rgba(44,99,212,.42));
}

/* 对比矩阵 */
.matrix-note{display:none;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);background:var(--primary-light);border-radius:var(--r-sm);padding:10px 14px;margin-bottom:16px}
.matrix-scroll{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow-x:auto;-webkit-overflow-scrolling:touch;
}
.matrix{min-width:780px;display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr}
.matrix-cell{
  padding:16px 20px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-2);display:flex;align-items:center;gap:8px;
}
.matrix-cell i.fa-check{color:var(--green)}
.matrix-cell i.fa-minus{color:var(--text-3);font-size:12px}
.matrix-cell.is-label{background:var(--bg);font-weight:600;color:var(--text)}
.matrix-cell.is-head{
  font-size:16px;font-weight:600;color:var(--text);
  background:#fff;padding-top:24px;padding-bottom:18px;
  flex-direction:column;align-items:flex-start;gap:8px;
}
.matrix-cell.is-head span.price{font-size:13.5px;color:var(--text-3);font-weight:400}
.matrix-cell.is-hl{background:var(--primary-light);color:var(--text);font-weight:500}
.matrix-cell.is-head.is-hl{border-top:3px solid var(--primary)}
.matrix-cell.is-last{border-bottom:0}

/* 限时入口 */
.promo-banner{
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  background:var(--accent-light);border-radius:20px;padding:42px;
}
.promo-banner h3{margin-bottom:10px;font-size:24px}
.promo-banner p{font-size:15.5px;color:var(--text-2);max-width:520px}
.countdown{display:flex;gap:12px}
.cd-item{
  min-width:80px;background:#fff;border-radius:var(--r-md);
  padding:12px 16px;text-align:center;box-shadow:var(--sh-sm);
}
.cd-num{font-size:38px;font-weight:700;color:var(--accent-dark);line-height:1.1;font-variant-numeric:tabular-nums}
.cd-label{font-size:12.5px;color:var(--text-3);margin-top:2px}

/* 数据与卡片 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-sm);transition:box-shadow var(--t),transform var(--t);
}
.stat-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.stat-num{font-size:44px;font-weight:700;color:var(--primary);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num small{font-size:20px;font-weight:600;margin-left:2px}
.stat-label{font-size:15px;font-weight:600;margin-top:12px}
.stat-desc{font-size:13.5px;color:var(--text-3);margin-top:6px;line-height:1.7}

.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);transition:box-shadow var(--t),transform var(--t);
}
.info-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.info-card-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.info-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.info-card-body h3{font-size:19px;margin-bottom:10px}
.info-card-body p{font-size:14.5px;line-height:1.75;color:var(--text-2);margin-bottom:18px}
.info-card-body .text-link{margin-top:auto}
.info-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-sm);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.news-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.news-card:hover .news-title a{color:var(--primary)}
.news-card-featured{
  grid-column:span 2;
  background:linear-gradient(150deg,#FFFFFF 0%,#F7FAFF 100%);
}
.news-title{font-size:18px;line-height:1.45;margin:14px 0 10px;font-weight:600}
.news-title a{color:var(--text)}
.news-card-featured .news-title{font-size:22px}
.news-summary{
  font-size:14.5px;line-height:1.72;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:18px;margin-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-3);border-top:1px solid var(--line);
}
.meta-time{display:inline-flex;align-items:center;gap:7px}
.meta-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--primary)}
.meta-link i{transition:transform var(--t)}
.meta-link:hover i{transform:translateX(3px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:60px 24px;background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);
  text-align:center;color:var(--text-2);
}
.empty-state i{font-size:44px;color:#C9D6EA}
.empty-state p{font-size:15px}

/* 表单 */
.consult-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:34px;box-shadow:var(--sh-md);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.req{color:var(--accent);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);
  color:var(--text);outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.12);
}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);margin:6px 0 22px;line-height:1.7}
.checkbox input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary);flex:0 0 18px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  padding:30px;box-shadow:var(--sh-sm);
}
.side-card h3{font-size:20px;margin-bottom:18px}
.side-list{display:flex;flex-direction:column;gap:18px;margin-bottom:24px}
.side-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.75}
.side-list i{color:var(--primary);font-size:15px;margin-top:6px}
.side-list strong{display:block;color:var(--text);font-weight:600;margin-bottom:2px}
.side-divider{height:1px;background:var(--line);margin:22px 0}
.promise-list{display:flex;flex-direction:column;gap:12px}
.promise-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-2)}
.promise-list i{color:var(--green)}

/* FAQ */
.faq{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);transition:color var(--t);
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;color:var(--primary)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease}
.faq-a-inner{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* CTA 条 */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--primary-light);border-radius:20px;padding:44px;
}
.cta-band h3{font-size:24px;margin-bottom:10px}
.cta-band p{font-size:15.5px;color:var(--text-2);max-width:560px}

/* 页脚 */
.site-footer{background:var(--footer);color:#C7D3E6;padding:66px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14.5px;color:#93A5C0;margin-top:18px;line-height:1.85;max-width:320px}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A8B7CE}
.footer-contact span{display:flex;align-items:center;gap:9px}
.footer-contact i{color:#6D8BC0;width:16px}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14.5px;color:#A8B7CE}
.footer-links a:hover{color:#fff}
.footer-sub p{font-size:14px;color:#93A5C0;margin-bottom:16px;line-height:1.8}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;height:46px;padding:0 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:#fff;outline:none;font-size:14.5px;
}
.footer-form input::placeholder{color:#8194B0}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.18)}
.footer-form .btn{height:46px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8194B0;
}
.footer-bottom a{color:#8194B0}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-channels{display:none}
  .nav-search{display:none}
  .hamburger{display:flex}
  h1{font-size:36px}
  h2{font-size:28px}
  .section{padding:64px 0}
  .hero-inner{padding:56px 0 64px}
  .ladder-grid{grid-template-columns:repeat(2,1fr)}
  .ladder-card:nth-child(n){min-height:0}
  .ladder-card:nth-child(4){min-height:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cards-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card-featured{grid-column:span 2}
  .news-card{padding:20px}
  .consult-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .promo-banner{padding:32px}
  .cta-band{padding:32px}
}
@media (max-width:768px){
  .hero h1{font-size:30px}
  .hero-sub{font-size:16.5px}
  .matrix-note{display:flex}
  .promo-banner{flex-direction:column;align-items:flex-start}
  .countdown{width:100%;justify-content:space-between}
  .cd-item{flex:1;min-width:0;padding:12px 8px}
  .cd-num{font-size:30px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .container{padding:0 16px}
  h1{font-size:28px}
  h2{font-size:23px}
  h3{font-size:18px}
  .section{padding:48px 0}
  .hero-inner{padding:44px 0 52px}
  .hero-actions .btn{width:100%}
  .trust-row{gap:12px 20px}
  .ladder-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .cards-3{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card-featured{grid-column:span 1}
  .news-card-featured .news-title{font-size:19px}
  .form-card,.side-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .promo-banner{padding:24px}
  .cta-band{padding:24px}
  .faq-q{padding:18px;font-size:16px}
  .faq-a-inner{padding:0 18px 20px}
  .hero-badge{left:12px;bottom:12px;padding:10px 14px}
  .footer-form{flex-direction:column}
  .footer-form .btn{width:100%}
}

/* roulang page: article */
:root{
  --primary:#2C63D4;
  --primary-dark:#1E48A8;
  --primary-light:#E8F0FE;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --accent-dark:#E5641F;
  --mint:#14A085;
  --mint-light:#E6F6F2;
  --text:#1B2A41;
  --text-sub:#5B6B85;
  --text-mute:#8A98AE;
  --page:#F5F8FC;
  --card:#FFFFFF;
  --border:#E4EBF6;
  --divider:#EEF3FA;
  --footer-bg:#16233D;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(21,48,102,.06);
  --shadow-md:0 4px 16px rgba(21,48,102,.08);
  --shadow-lg:0 12px 32px rgba(21,48,102,.12);
  --container:1240px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:visited{color:var(--primary);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:600;}
p{margin:0 0 18px;}
ul,ol{margin:0 0 18px;padding-left:22px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.button,a.button,button.button{background:var(--primary);border-radius:var(--radius-sm);}
.button:hover,a.button:hover{background:var(--primary-dark);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:visited{color:#fff;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-ghost{background:transparent;color:var(--text-sub);border-color:transparent;}
.btn-ghost:hover{color:var(--primary);background:var(--primary-light);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  line-height:1.5;
  background:var(--primary-light);
  color:var(--primary-dark);
}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.badge-mint{background:var(--mint-light);color:var(--mint);}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--divider);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--primary);
  color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;
}
.brand-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--primary);}
.nav-channels{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;
  font-size:15.5px;
  font-weight:500;
  color:var(--text-sub);
  padding:6px 0;
}
.nav-link:hover{color:var(--primary);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:228px;height:40px;padding:0 14px;
  border-radius:999px;
  background:var(--page);
  border:1px solid var(--border);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box i{color:var(--text-mute);font-size:13px;}
.search-box input{
  flex:1;border:0;background:transparent;height:100%;
  font-size:14.5px;color:var(--text);outline:none;
}
.search-box input::placeholder{color:var(--text-mute);}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.12);}
.hamburger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--text-sub);}
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(16,32,64,.35);
  opacity:0;transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;}
.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:84vw;max-width:360px;height:100%;
  background:#fff;
  box-shadow:var(--shadow-lg);
  transform:translateX(100%);
  transition:transform var(--ease);
  padding:24px 20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--text-sub);cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer-links a{
  padding:12px 12px;border-radius:10px;color:var(--text);font-weight:500;
}
.drawer-links a:hover,.drawer-links a.active{background:var(--primary-light);color:var(--primary-dark);}
.drawer .search-box{width:100%;margin-bottom:16px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}
.drawer-actions .btn{width:100%;}
.page-banner{
  background:linear-gradient(135deg,#FFFFFF 0%,#E8F0FE 100%);
  border-bottom:1px solid var(--divider);
  padding:40px 0 44px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-mute);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-mute);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C3CEE2;}
.breadcrumb .current{color:var(--primary);font-weight:500;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13.5px;color:var(--text-sub);margin-bottom:16px;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3CEE2;}
.article-title{
  font-size:44px;
  line-height:1.2;
  letter-spacing:-.01em;
  font-weight:700;
  margin-bottom:16px;
  max-width:900px;
}
.article-lead{
  font-size:16.5px;
  line-height:1.8;
  color:var(--text-sub);
  max-width:820px;
  margin:0;
}
.article-wrap{padding:56px 0 88px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;}
.article-body{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:40px 44px 36px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  max-width:880px;
}
.article-body h2{
  position:relative;
  font-size:26px;
  line-height:1.35;
  margin:40px 0 18px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--primary);
}
.article-body h3{font-size:20px;line-height:1.4;margin:30px 0 14px;}
.article-body h4{font-size:18px;margin:24px 0 12px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 18px;}
.article-body li{margin-bottom:8px;}
.article-body ol{counter-reset:item;list-style:none;padding-left:0;}
.article-body ol>li{position:relative;padding-left:34px;}
.article-body ol>li::before{
  counter-increment:item;
  content:counter(item);
  position:absolute;left:0;top:3px;
  width:22px;height:22px;border-radius:50%;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:12.5px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;
  padding:20px 24px;
  background:var(--primary-light);
  border-left:4px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-sub);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:12px;
  margin:24px auto;
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-mute);text-align:center;margin-top:10px;
}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(44,99,212,.3);}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:24px 0;font-size:15.5px;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--page);color:var(--text);font-weight:600;text-align:left;
  padding:12px 16px;border-bottom:1px solid var(--border);
}
.article-body tbody td{
  padding:12px 16px;border-bottom:1px solid var(--divider);color:var(--text-sub);
}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px dashed var(--border);margin:32px 0;}
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:36px 0 0;
}
.tag-row .label{font-size:14px;color:var(--text-mute);}
.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:36px;
}
.post-nav-card{
  display:block;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:22px 24px;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.post-nav-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D7E2F5;}
.post-nav-card .kicker{font-size:13px;color:var(--text-mute);display:block;margin-bottom:8px;}
.post-nav-card strong{display:block;font-size:17px;color:var(--text);margin-bottom:6px;}
.post-nav-card span.desc{font-size:14px;color:var(--text-sub);}
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.widget{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:22px;
}
.widget-title{
  display:flex;align-items:center;gap:8px;
  font-size:15.5px;font-weight:600;color:var(--text);
  margin-bottom:14px;
}
.widget-title::before{
  content:"";width:4px;height:14px;border-radius:2px;background:var(--primary);
}
.toc-list{list-style:none;margin:0;padding:0;font-size:14.5px;}
.toc-list li{margin-bottom:8px;}
.toc-list a{color:var(--text-sub);display:block;line-height:1.6;}
.toc-list a:hover{color:var(--primary);}
.toc-empty{font-size:14px;color:var(--text-mute);margin:0;}
.mini-list{list-style:none;margin:0;padding:0;}
.mini-list li{padding:12px 0;border-bottom:1px dashed var(--divider);}
.mini-list li:last-child{border-bottom:0;padding-bottom:0;}
.mini-list a{font-size:14.5px;color:var(--text);line-height:1.6;display:block;}
.mini-list a:hover{color:var(--primary);}
.mini-list .meta{display:block;font-size:13px;color:var(--text-mute);margin-top:4px;}
.section-block{margin-top:72px;}
.section-head{margin-bottom:28px;}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-light);
  padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.section-head h2{font-size:28px;line-height:1.3;}
.section-head p{font-size:15.5px;color:var(--text-sub);margin:10px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card-media{
  position:relative;padding-top:62.5%;overflow:hidden;
  border-radius:var(--radius) var(--radius) 0 0;background:var(--primary-light);
}
.card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.card-body{padding:22px 22px 20px;}
.card-body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.card-body p{font-size:14.5px;line-height:1.7;color:var(--text-sub);margin:0 0 16px;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-mute);
}
.card-foot .arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:500;transition:transform var(--ease);}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D7E2F5;}
.card:hover .card-body h3{color:var(--primary);}
.card:hover .arrow{transform:translateX(3px);}
.cta-strip{
  margin-top:72px;
  background:var(--primary-light);
  border:1px solid #D5E3FB;
  border-radius:var(--radius);
  padding:36px 40px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.cta-strip h3{font-size:22px;margin-bottom:8px;}
.cta-strip p{margin:0;color:var(--text-sub);font-size:15.5px;}
.cta-strip .cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}
.empty-state{
  text-align:center;
  padding:64px 24px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:48px;color:#C3CEE2;display:block;margin-bottom:16px;}
.empty-state p{font-size:15.5px;color:var(--text-sub);margin:0 0 20px;}
.site-footer{background:var(--footer-bg);color:#C7D3E8;margin-top:88px;padding:64px 0 28px;}
.site-footer a{color:#C7D3E8;}
.site-footer a:hover{color:#fff;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#9FB0CC;margin:16px 0;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#9FB0CC;}
.footer-contact i{margin-right:6px;color:var(--primary);}
.footer-title{font-size:15.5px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.footer-sub p{font-size:14px;color:#9FB0CC;margin:0 0 14px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1;min-width:160px;height:46px;padding:0 14px;
  border-radius:var(--radius-sm);border:1px solid #2D3D5C;
  background:#1D2B47;color:#E6EDF9;font-size:14.5px;outline:none;
}
.footer-form input::placeholder{color:#7E8FAE;}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.22);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid #26344F;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E8FAE;
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-channels{display:none;}
  .hamburger{display:flex;}
  .header-actions .search-box{display:none;}
  .article-layout{grid-template-columns:1fr;gap:0;}
  .sidebar{position:static;margin-top:32px;}
  .article-title{font-size:36px;}
  .article-body{padding:32px 28px;max-width:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:12px;}
  .brand-text{font-size:18px;}
  .header-actions .btn-outline,.header-actions .btn-ghost{display:none;}
  .article-title{font-size:28px;}
  .page-banner{padding:28px 0 32px;}
  .article-wrap{padding:32px 0 56px;}
  .article-body{padding:24px 18px;font-size:16.5px;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .section-block{margin-top:48px;}
  .section-head h2{font-size:23px;}
  .related-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .cta-strip{padding:28px 22px;}
  .cta-strip .cta-actions{margin-left:0;width:100%;}
  .cta-strip .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --primary:#2C63D4;
  --primary-dark:#1E48A8;
  --primary-light:#E8F0FE;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --accent-dark:#E5641F;
  --green:#14A085;
  --green-light:#E6F6F2;
  --text:#1B2A41;
  --text-2:#5B6B85;
  --text-3:#8A98AE;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E4EBF6;
  --line:#EEF3FA;
  --r-lg:14px;
  --r-md:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(21,48,102,.06);
  --sh-md:0 4px 16px rgba(21,48,102,.08);
  --sh-lg:0 12px 32px rgba(21,48,102,.12);
  --section:88px;
}
*,*::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","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color 180ms ease,background-color 180ms ease,border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;}
a:visited{color:var(--primary-dark);}
a:hover,a:focus{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:600;letter-spacing:-.01em;}
h1{font-size:44px;line-height:1.2;font-weight:700;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:22px;line-height:1.4;}
h4{font-size:18px;line-height:1.5;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15.5px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow 180ms ease,background-color 180ms ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);background:#fff;}
.header-inner{display:flex;align-items:center;gap:28px;height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--primary-dark);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--sh-sm);
}
.brand-text{font-size:20px;font-weight:700;color:var(--text);white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.nav-link{
  position:relative;font-size:15.5px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transition:transform 180ms ease;
}
.nav-link:hover,.nav-link:focus{color:var(--primary);}
.nav-link:hover::after,.nav-link:focus::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-divider{width:1px;height:24px;background:var(--border);}
.search-box{position:relative;width:222px;}
.search-box i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px;}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  border:1px solid transparent;background:var(--bg);
  padding:0 16px 0 38px;color:var(--text);outline:none;
  transition:border-color 180ms ease,box-shadow 180ms ease,background-color 180ms ease;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.12);}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--border);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
  transition:border-color 180ms ease,color 180ms ease;
}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,64,.35);
  opacity:0;visibility:hidden;transition:opacity 180ms ease,visibility 180ms ease;z-index:200;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:#fff;z-index:210;padding:24px;
  transform:translateX(100%);transition:transform 180ms ease;
  overflow-y:auto;box-shadow:var(--sh-lg);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--border);
  background:#fff;color:var(--text-2);cursor:pointer;font-size:16px;
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary);}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-links a{
  padding:13px 14px;border-radius:var(--r-md);font-size:16px;font-weight:500;color:var(--text-2);
}
.drawer-links a:hover,.drawer-links a:focus{background:var(--primary-light);color:var(--primary);}
.drawer-links a.active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.drawer .search-box{width:100%;margin-bottom:16px;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease,box-shadow 180ms ease,transform 180ms ease;
}
.btn:visited{color:inherit;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover,.btn-primary:focus{background:var(--primary-dark);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover,.btn-outline:focus{background:var(--primary-light);color:var(--primary-dark);}
.btn-outline:active{transform:translateY(1px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-sm);}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-dark);color:#fff;box-shadow:var(--sh-md);}
.btn-ghost{background:transparent;color:var(--text-2);padding:0 10px;}
.btn-ghost:hover,.btn-ghost:focus{color:var(--primary);text-decoration:underline;}
.btn-sm{height:40px;padding:0 17px;font-size:14.5px;border-radius:var(--r-md);}
.btn-lg{height:50px;padding:0 28px;font-size:16px;}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;line-height:1.6;
}
.badge-primary{background:var(--primary-light);color:var(--primary);}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.badge-green{background:var(--green-light);color:var(--green);}
.badge-gray{background:#EEF3FA;color:var(--text-2);}

/* ============ 通用板块 ============ */
.section{padding:var(--section) 0;}
.section-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-top:14px;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--primary);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary);display:inline-block;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C4D0E2;}
.breadcrumb .current{color:var(--primary);font-weight:500;}

/* ============ 分类首屏 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#E8F0FE 100%);
  border-bottom:1px solid var(--border);
  padding:52px 0 56px;
}
.cat-hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(44,99,212,.12),rgba(44,99,212,0) 70%);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;
  gap:56px;align-items:center;min-height:260px;
}
.cat-hero-text h1{margin:18px 0 0;max-width:620px;}
.cat-hero-text .lead{margin-top:18px;font-size:18px;line-height:1.75;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:28px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-points i{color:var(--green);font-size:14px;}
.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;height:272px;object-fit:cover;
  border-radius:16px;border:1px solid var(--border);box-shadow:var(--sh-md);
}
.cat-hero-media .float-tag{
  position:absolute;left:-16px;bottom:22px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-lg);padding:12px 18px;
}
.cat-hero-media .float-tag strong{display:block;font-size:22px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.cat-hero-media .float-tag span{font-size:12.5px;color:var(--text-3);}

/* ============ 数据条 ============ */
.stats-strip{padding:0 0 var(--section);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-sm);transition:box-shadow 180ms ease,transform 180ms ease;
}
.stat-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.stat-num{font-size:40px;font-weight:700;color:var(--primary);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--text-2);}
.stat-label{margin-top:10px;font-size:14px;color:var(--text-2);}

/* ============ 纵向阶梯 ============ */
.ladder-list{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--sh-sm);overflow:hidden;}
.ladder-item{
  display:grid;grid-template-columns:104px 1fr 220px;gap:32px;align-items:start;
  padding:36px 32px;border-bottom:1px dashed var(--border);
  transition:background-color 180ms ease;
}
.ladder-item:last-child{border-bottom:0;}
.ladder-item:hover{background:#FBFCFE;}
.ladder-num{
  font-size:52px;font-weight:700;line-height:1;color:#C9D9F7;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.ladder-num small{display:block;margin-top:8px;font-size:12.5px;font-weight:600;letter-spacing:.12em;color:var(--text-3);}
.ladder-body h3{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.ladder-body .threshold{margin-top:12px;font-size:15px;color:var(--text-2);}
.ladder-body .threshold b{color:var(--text);font-weight:600;}
.benefit-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.benefit-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-2);line-height:1.7;}
.benefit-list i{color:var(--green);font-size:14px;margin-top:6px;flex:0 0 auto;}
.ladder-side{display:flex;flex-direction:column;gap:12px;align-items:flex-start;padding-top:6px;}
.ladder-side .tip{font-size:13px;color:var(--text-3);line-height:1.6;}
.ladder-item.featured{position:relative;background:linear-gradient(180deg,#FFF8F3 0%,#FFFFFF 100%);}
.ladder-item.featured::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);
}
.ribbon{
  position:absolute;top:0;right:0;
  background:var(--accent);color:#fff;font-size:12.5px;font-weight:600;
  padding:5px 16px;border-radius:0 18px 0 14px;
}

/* ============ 说明卡 ============ */
.info-grid{margin-bottom:0;}
.info-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-sm);height:100%;
  transition:box-shadow 180ms ease,transform 180ms ease;
}
.info-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.info-card h3{display:flex;align-items:center;gap:10px;}
.info-card h3 i{color:var(--primary);font-size:19px;}
.info-card p.intro{margin-top:12px;font-size:15px;color:var(--text-2);}
.step-list{margin-top:20px;display:flex;flex-direction:column;gap:16px;}
.step-list li{display:flex;gap:14px;align-items:flex-start;}
.step-index{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  font-size:13.5px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
}
.step-list b{display:block;font-size:15.5px;font-weight:600;color:var(--text);}
.step-list span{font-size:14.5px;color:var(--text-2);line-height:1.7;}
.info-card img{width:100%;height:180px;object-fit:cover;margin-top:22px;border:1px solid var(--border);}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;}
.faq-list{margin-top:8px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  margin-bottom:12px;box-shadow:var(--sh-sm);overflow:hidden;transition:box-shadow 180ms ease;
}
.faq-item:hover{box-shadow:var(--sh-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);
  transition:color 180ms ease;
}
.faq-q:hover{color:var(--primary);}
.faq-q .ic{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);font-size:13px;
  transition:transform 220ms ease,background-color 180ms ease,color 180ms ease;
}
.faq-item.open .faq-q{color:var(--primary);}
.faq-item.open .faq-q .ic{background:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--text-2);}

/* ============ CTA 条 ============ */
.cta-strip{
  background:var(--primary-light);border:1px solid #D6E4FB;border-radius:18px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-strip h3{font-size:24px;}
.cta-strip p{margin-top:10px;font-size:15.5px;color:var(--text-2);max-width:640px;}
.cta-strip .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#16233D;color:#C6D2E6;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark{background:var(--primary);}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#9FB0CB;max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:#9FB0CB;}
.footer-contact i{margin-right:8px;color:#7E93B5;}
.footer-title{font-size:16px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:#9FB0CB;}
.footer-links a:hover,.footer-links a:focus{color:#fff;}
.footer-sub p{margin-top:0;font-size:14.5px;color:#9FB0CB;margin-bottom:16px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 160px;height:46px;border-radius:var(--r-md);
  border:1px solid #2C3D5E;background:#1D2C49;color:#fff;
  padding:0 14px;outline:none;transition:border-color 180ms ease,box-shadow 180ms ease;
}
.footer-form input::placeholder{color:#7E93B5;}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.25);}
.footer-form .btn{flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid #2A3A59;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E93B5;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--section:64px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
  h3{font-size:20px;}
  .container{padding:0 24px;}
  .nav-channels,.nav-right .search-box,.nav-right .btn-ghost,.nav-right .nav-divider{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-right{margin-left:auto;}
  .header-inner{height:68px;gap:16px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;min-height:0;}
  .cat-hero-media img{height:240px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .ladder-item{grid-template-columns:80px 1fr;gap:22px;padding:30px 24px;}
  .ladder-side{grid-column:2;flex-direction:row;align-items:center;flex-wrap:wrap;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  :root{--section:48px;}
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .container{padding:0 16px;}
  .cat-hero{padding:32px 0 40px;}
  .cat-hero-text .lead{font-size:16.5px;}
  .cat-hero-media img{height:200px;}
  .cat-hero-media .float-tag{left:12px;bottom:12px;padding:10px 14px;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-num{font-size:34px;}
  .ladder-item{grid-template-columns:1fr;gap:16px;padding:26px 18px;}
  .ladder-num{font-size:40px;}
  .ladder-num small{display:inline;margin-left:8px;}
  .ladder-side{grid-column:1;}
  .ladder-side .btn{width:100%;}
  .info-card{padding:22px;}
  .cta-strip{padding:28px 22px;}
  .cta-strip .actions{width:100%;}
  .cta-strip .actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#2C63D4;
  --brand-dark:#1E48A8;
  --brand-light:#E8F0FE;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --accent-dark:#E5641F;
  --teal:#14A085;
  --teal-light:#E6F6F2;
  --text:#1B2A41;
  --text-2:#5B6B85;
  --text-3:#8A98AE;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E4EBF6;
  --divider:#EEF3FA;
  --r-lg:14px;
  --r-sm:10px;
  --r-pill:999px;
  --r-img:12px;
  --sh-sm:0 1px 2px rgba(21,48,102,.06);
  --sh-md:0 4px 16px rgba(21,48,102,.08);
  --sh-lg:0 12px 32px rgba(21,48,102,.12);
  --t:180ms ease;
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:visited{color:var(--brand-dark);}
a:hover{color:var(--brand-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:600;letter-spacing:-.01em;}
h1{font-size:44px;line-height:1.2;font-weight:700;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:22px;line-height:1.4;}
h4{font-size:18px;line-height:1.45;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.sec{padding:var(--sec-pad) 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.12em;margin-bottom:14px;}
.sec-tag::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block;}
.sec-desc{color:var(--text-2);font-size:16.5px;margin:12px 0 0;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:box-shadow var(--t),background var(--t);}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;letter-spacing:.5px;flex:0 0 32px;}
.brand-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--brand);}
.nav-channels{display:flex;align-items:center;gap:28px;margin-left:10px;}
.nav-link{position:relative;padding:6px 0;font-size:15.5px;font-weight:500;color:var(--text-2);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.nav-link:hover,.nav-link.active{color:var(--brand);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;width:220px;height:40px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-pill);padding:0 14px;gap:8px;transition:border-color var(--t),box-shadow var(--t);}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(44,99,212,.12);}
.link-login{font-size:15px;font-weight:500;color:var(--text-2);}
.link-login:hover{color:var(--brand);text-decoration:underline;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:var(--r-sm);color:var(--text);cursor:pointer;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:47px;padding:0 22px;border-radius:var(--r-sm);border:1px solid transparent;font-size:15.5px;font-weight:600;cursor:pointer;transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:var(--sh-md);}
.btn-sm{height:40px;padding:0 16px;font-size:14.5px;border-radius:var(--r-sm);}
.btn-block{width:100%;}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;}
.text-link{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link i{transition:transform var(--t);}
.text-link:hover i{transform:translateX(3px);}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:500;line-height:1.5;}
.badge-brand{background:var(--brand-light);color:var(--brand-dark);}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.badge-teal{background:var(--teal-light);color:var(--teal);}
.badge-ghost{background:var(--bg);color:var(--text-2);border:1px solid var(--border);}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);padding:26px 0 0;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--border);}
.crumb .current{color:var(--text);font-weight:600;}

/* ---------- hero ---------- */
.hero{padding:28px 0 0;}
.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--sh-md);padding:44px;position:relative;overflow:hidden;}
.hero-grid::before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:var(--brand-light);opacity:.7;}
.hero-copy{position:relative;z-index:2;}
.hero h1{margin-bottom:16px;}
.hero-lead{font-size:17px;color:var(--text-2);max-width:600px;margin:0 0 22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:var(--text-2);}
.hero-points span{display:inline-flex;align-items:center;gap:8px;}
.hero-points i{color:var(--teal);}
.hero-figure{position:relative;z-index:2;}
.hero-figure img{width:100%;height:300px;object-fit:cover;border-radius:16px;box-shadow:var(--sh-md);}
.hero-float{position:absolute;left:18px;bottom:18px;background:#fff;border-radius:12px;box-shadow:var(--sh-lg);padding:12px 16px;display:flex;align-items:center;gap:12px;}
.hero-float strong{font-size:24px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1;}
.hero-float span{font-size:13px;color:var(--text-2);line-height:1.4;}

/* ---------- filter tags ---------- */
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;}
.filter-row .label{font-size:13.5px;color:var(--text-3);margin-right:4px;}
.chip{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--border);background:#fff;font-size:14px;font-weight:500;color:var(--text-2);cursor:pointer;transition:all var(--t);}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- compare matrix ---------- */
.matrix-tip{display:none;align-items:center;gap:8px;background:var(--brand-light);color:var(--brand-dark);border-radius:var(--r-sm);padding:10px 14px;font-size:13.5px;margin-bottom:14px;}
.matrix-scroll{overflow-x:auto;padding-bottom:6px;}
.compare-grid{display:grid;grid-template-columns:200px repeat(4,minmax(0,1fr));min-width:1000px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);}
.cg-cell{display:flex;align-items:center;gap:8px;padding:16px 18px;border-bottom:1px solid var(--divider);font-size:15px;color:var(--text-2);min-height:62px;}
.cg-label{background:var(--bg);font-weight:600;color:var(--text);}
.cg-head{flex-direction:column;align-items:flex-start;gap:6px;border-top:3px solid transparent;background:#fff;padding-top:20px;padding-bottom:20px;}
.cg-head .cg-name{font-size:17px;font-weight:700;color:var(--text);}
.cg-head .cg-sub{font-size:13px;color:var(--text-3);line-height:1.5;}
.cg-head.is-featured{background:var(--brand-light);border-top-color:var(--brand);box-shadow:var(--sh-lg);}
.cg-cell.is-featured{background:var(--brand-light);}
.cg-price{font-size:22px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums;}
.cg-price small{font-size:13px;font-weight:500;color:var(--text-3);margin-left:2px;}
.cg-yes{color:var(--teal);font-weight:600;}
.cg-no{color:var(--text-3);}
.cg-last{border-bottom:0;}

/* ---------- notes list ---------- */
.note-row{display:flex;align-items:flex-start;gap:20px;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-sm);transition:box-shadow var(--t),transform var(--t);}
.note-row:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.note-ico{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;font-size:18px;}
.note-body h3{font-size:18px;margin-bottom:4px;}
.note-body p{margin:0;font-size:15px;color:var(--text-2);line-height:1.75;}

/* ---------- fee bar ---------- */
.fee-bar{display:flex;flex-wrap:wrap;align-items:center;gap:20px;background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--r-lg);padding:22px 26px;box-shadow:var(--sh-sm);}
.fee-bar .fee-ico{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:var(--accent-light);color:var(--accent-dark);display:grid;place-items:center;font-size:18px;}
.fee-bar .fee-text{flex:1 1 380px;font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}
.fee-bar .fee-text strong{color:var(--text);}

/* ---------- consult ---------- */
.consult-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start;}
.panel{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-sm);}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.req{color:var(--accent);}
.form-row input,.form-row select{width:100%;height:48px;padding:0 14px;background:#fff;border:1px solid var(--border);border-radius:var(--r-sm);outline:none;transition:border-color var(--t),box-shadow var(--t);}
.form-row input::placeholder{color:var(--text-3);}
.form-row input:focus,.form-row select:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(44,99,212,.12);}
.form-note{font-size:13px;color:var(--text-3);margin:14px 0 0;line-height:1.7;}
.info-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--divider);}
.info-item:last-child{border-bottom:0;padding-bottom:0;}
.info-item i{width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--brand-light);color:var(--brand);display:grid;place-items:center;font-size:15px;}
.info-item h4{margin-bottom:2px;font-size:15.5px;}
.info-item p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.7;}

/* ---------- cta ---------- */
.cta-band{background:var(--brand-light);border:1px solid var(--border);border-radius:18px;padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;}
.cta-band h3{margin-bottom:6px;}
.cta-band p{margin:0;color:var(--text-2);font-size:15.5px;}

/* ---------- footer ---------- */
.site-footer{background:#16233D;color:#C6D2E6;margin-top:24px;}
.site-footer .container{padding-top:64px;padding-bottom:28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9FB0C9;margin:16px 0;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#9FB0C9;}
.footer-contact i{color:#5B84E0;margin-right:6px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14.5px;color:#9FB0C9;}
.footer-links a:hover{color:#fff;}
.footer-sub p{font-size:14px;color:#9FB0C9;line-height:1.8;margin:0 0 14px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{flex:1 1 150px;height:46px;padding:0 14px;border-radius:var(--r-sm);border:1px solid #2B3A5A;background:#1D2C48;color:#fff;outline:none;transition:border-color var(--t);}
.footer-form input::placeholder{color:#7C8CA6;}
.footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(44,99,212,.18);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:20px;border-top:1px solid #2B3A5A;font-size:13px;color:#7C8CA6;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,64,.35);opacity:0;visibility:hidden;transition:opacity var(--t);z-index:90;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:100;transform:translateX(100%);transition:transform var(--t);padding:22px;overflow-y:auto;}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:var(--r-sm);cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer-links a{padding:12px 10px;border-radius:var(--r-sm);font-size:15.5px;font-weight:500;color:var(--text-2);}
.drawer-links a:hover,.drawer-links a.active{background:var(--brand-light);color:var(--brand);}
.drawer-search{width:100%;margin-bottom:18px;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--sec-pad:64px;}
  .container{padding:0 24px;}
  h1{font-size:36px;}
  h2{font-size:28px;}
  .nav-channels,.nav-search,.link-login,.header-actions .btn-outline{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding:32px;}
  .hero-figure img{height:240px;}
  .consult-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .matrix-tip{display:flex;}
  .panel{padding:24px;}
  .note-row{padding:20px;}
}
@media (max-width:640px){
  :root{--sec-pad:48px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .hero{padding-top:20px;}
  .hero-grid{padding:24px;border-radius:14px;}
  .hero-grid::before{display:none;}
  .hero-figure img{height:200px;}
  .hero-actions .btn{width:100%;}
  .filter-row{gap:8px;}
  .chip{height:34px;padding:0 13px;font-size:13.5px;}
  .cta-band{padding:26px 20px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .fee-bar{padding:18px;}
  .note-row{flex-direction:column;gap:14px;}
}

/* roulang page: category3 */
:root{
  --primary:#2C63D4;
  --primary-dark:#1E48A8;
  --primary-light:#E8F0FE;
  --accent:#FF7A33;
  --accent-light:#FFF1E8;
  --accent-dark:#E5641F;
  --mint:#14A085;
  --mint-light:#E6F6F2;
  --ink:#1B2A41;
  --text:#1B2A41;
  --muted:#5B6B85;
  --faint:#8A98AE;
  --page:#F5F8FC;
  --card:#FFFFFF;
  --line:#E4EBF6;
  --divider:#EEF3FA;
  --radius-lg:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(21,48,102,.06);
  --shadow-md:0 4px 16px rgba(21,48,102,.08);
  --shadow-lg:0 12px 32px rgba(21,48,102,.12);
  --gap:24px;
  --section-space:88px;
  --trans:180ms ease;
}

*,*::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","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--primary);text-decoration:none;transition:color var(--trans);}
a:hover{color:var(--primary-dark);}
a:visited{color:var(--primary-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--primary);outline-offset:2px;
}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;font-weight:600;font-family:inherit;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding-top:var(--section-space);padding-bottom:var(--section-space);}
.section-tight{padding-top:64px;padding-bottom:64px;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:32px;line-height:1.3;font-weight:600;letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);display:inline-block;border-radius:2px;}
.section-head .eyebrow{margin-bottom:12px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;color:var(--primary);
  transition:background var(--trans),color var(--trans),box-shadow var(--trans),transform var(--trans),border-color var(--trans);
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-ghost{color:var(--ink);background:transparent;}
.btn-ghost:hover{color:var(--primary);background:var(--primary-light);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);color:#fff;box-shadow:var(--shadow-md);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn-link{height:auto;padding:0;color:var(--primary);font-weight:600;background:none;}
.btn-link:hover{text-decoration:underline;background:none;}

/* ---------- Badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:500;line-height:1.5;
}
.badge-primary{background:var(--primary-light);color:var(--primary);}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.badge-mint{background:var(--mint-light);color:var(--mint);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--trans),background var(--trans);
}
.site-header.is-stuck{box-shadow:var(--shadow-md);background:rgba(255,255,255,.96);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  box-shadow:var(--shadow-sm);
}
.brand-text{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--primary);}
.nav-channels{display:flex;align-items:center;gap:28px;flex:1;}
.nav-link{
  position:relative;
  font-size:15.5px;font-weight:500;color:var(--ink);
  padding:6px 0;transition:color var(--trans);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);
  transform-origin:center;transition:transform var(--trans);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.header-actions::before{
  content:"";width:1px;height:22px;background:var(--line);
}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;
  background:var(--page);border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:0 14px;transition:border-color var(--trans),box-shadow var(--trans),background var(--trans);
}
.nav-search i{color:var(--faint);font-size:13px;margin-right:8px;}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:100%;font-size:14px;color:var(--ink);height:100%;margin:0;
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(44,99,212,.12);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;font-size:16px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(16,32,64,.35);
  opacity:0;visibility:hidden;transition:opacity var(--trans),visibility var(--trans);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;
  background:#fff;z-index:80;padding:24px 22px;
  transform:translateX(100%);transition:transform 180ms ease;
  overflow-y:auto;box-shadow:var(--shadow-lg);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:#fff;color:var(--muted);cursor:pointer;
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 8px;border-radius:var(--radius-sm);color:var(--ink);
  font-size:15.5px;font-weight:500;
}
.drawer-nav a:hover{background:var(--primary-light);color:var(--primary);}
.drawer-nav a.active{background:var(--primary-light);color:var(--primary);font-weight:600;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}
.drawer-search{
  display:flex;align-items:center;height:44px;padding:0 14px;
  background:var(--page);border:1px solid var(--line);border-radius:var(--radius-pill);margin-bottom:16px;
}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14.5px;}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--faint);padding-top:28px;
}
.crumb a{color:var(--faint);}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#C6D2E4;}
.crumb .current{color:var(--ink);font-weight:500;}

/* ---------- Hero ---------- */
.hero-help{
  position:relative;
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,#FFFFFF 0%,#F2F6FD 62%,var(--page) 100%);
  overflow:hidden;
}
.hero-help::before{
  content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle at center,rgba(44,99,212,.10),rgba(44,99,212,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative;}
.hero-copy h1{
  font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-bottom:20px;
}
.hero-copy .lead{
  font-size:18px;line-height:1.85;color:var(--muted);max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:26px;}
.hero-point{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.hero-point i{color:var(--mint);font-size:14px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:360px;object-fit:cover;border-radius:16px;
  box-shadow:var(--shadow-lg);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:16px;
  background:linear-gradient(200deg,rgba(44,99,212,.14),rgba(255,255,255,0) 58%);
  pointer-events:none;
}
.hero-float{
  position:absolute;left:-18px;bottom:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:16px 20px;min-width:210px;
}
.hero-float .num{
  font-size:32px;font-weight:700;color:var(--primary);line-height:1.15;
  font-variant-numeric:tabular-nums;display:block;
}
.hero-float span.label{font-size:13.5px;color:var(--muted);}

/* ---------- Stats strip ---------- */
.stats-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:-36px;position:relative;z-index:5;overflow:hidden;
}
.stat-cell{padding:26px 24px;border-right:1px solid var(--divider);}
.stat-cell:last-child{border-right:0;}
.stat-cell .v{
  font-size:32px;font-weight:700;color:var(--ink);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-cell .v em{font-style:normal;font-size:15px;color:var(--muted);font-weight:500;margin-left:4px;}
.stat-cell .k{font-size:14px;color:var(--muted);margin-top:6px;}

/* ---------- Timeline ---------- */
.timeline-wrap{max-width:900px;}
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,#BFD3F5 60%,var(--line) 100%);
  border-radius:2px;
}
.tl-item{position:relative;padding-left:78px;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px var(--page);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);
  transition:box-shadow var(--trans),transform var(--trans),border-color var(--trans);
}
.tl-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D3E0F7;}
.tl-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.tl-card p{color:var(--muted);font-size:15.5px;line-height:1.8;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}

/* ---------- Tick list ---------- */
.tick-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.tick-list li{position:relative;padding-left:22px;font-size:15px;color:var(--muted);line-height:1.75;}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--mint);
}
.tick-list.is-primary li::before{background:var(--primary);}

/* ---------- Feature (alternating) ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature + .feature{margin-top:72px;}
.feature-media{position:relative;}
.feature-media img{width:100%;height:320px;object-fit:cover;border-radius:16px;box-shadow:var(--shadow-md);}
.feature-media .tag-float{
  position:absolute;top:16px;left:16px;
}
.feature-copy h2{font-size:28px;line-height:1.35;margin-bottom:16px;}
.feature-copy h3{font-size:22px;line-height:1.4;margin-bottom:16px;}
.feature-copy p{color:var(--muted);font-size:16px;margin-bottom:16px;}
.feature-copy .note{
  background:var(--primary-light);border-left:4px solid var(--primary);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  padding:14px 18px;font-size:14.5px;color:var(--primary-dark);line-height:1.8;
}
.feature.is-reverse .feature-media{order:2;}
.feature.is-reverse .feature-copy{order:1;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--trans),border-color var(--trans);
}
.faq-item:hover{box-shadow:var(--shadow-sm);border-color:#D3E0F7;}
.faq-item.is-open{box-shadow:var(--shadow-md);border-color:#CBDCF7;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .icon{
  flex-shrink:0;width:20px;height:20px;position:relative;color:var(--primary);
}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform 220ms ease,opacity 220ms ease;
}
.faq-q .icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-q .icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-q .icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 220ms ease;
}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- Entry cards ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.entry-card{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:box-shadow var(--trans),transform var(--trans),border-color var(--trans);
}
.entry-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#CBDCF7;}
.entry-icon{
  flex-shrink:0;width:52px;height:52px;border-radius:14px;
  background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.entry-card h3{font-size:19px;margin-bottom:8px;}
.entry-card p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:12px;}
.entry-link{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.entry-link i{font-size:12px;transition:transform var(--trans);}
.entry-card:hover .entry-link i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--primary-light);
  border-top:1px solid #D8E5FB;border-bottom:1px solid #D8E5FB;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:52px 0;
}
.cta-inner h2{font-size:28px;line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:var(--muted);font-size:16px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:#16233D;color:#C7D3E8;padding-top:64px;margin-top:0;}
.site-footer a{color:#C7D3E8;}
.site-footer a:hover{color:#fff;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:#2C63D4;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9FB0CC;margin-top:16px;max-width:340px;}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:#9FB0CC;}
.footer-contact i{margin-right:8px;color:#6E8CC4;}
.footer-title{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;font-size:14.5px;}
.footer-sub p{font-size:14.5px;color:#9FB0CC;line-height:1.8;margin-bottom:16px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 160px;height:46px;border-radius:var(--radius-sm);
  border:1px solid #2C3E60;background:#1E2C48;color:#fff;
  padding:0 14px;font-size:14.5px;margin:0;
}
.footer-form input::placeholder{color:#7E90AF;}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(44,99,212,.18);outline:none;}
.footer-bottom{
  border-top:1px solid #26365A;padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#8698B8;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1024px){
  .container{padding-left:24px;padding-right:24px;}
  :root{--section-space:64px;}
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .header-actions::before{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy h1{font-size:36px;}
  .hero-media img{height:300px;}
  .stats-strip{grid-template-columns:1fr 1fr;margin-top:-24px;}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--divider);}
  .feature{gap:32px;}
  .feature-media img{height:280px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .entry-grid{grid-template-columns:1fr;}
}
@media screen and (max-width:640px){
  .container{padding-left:16px;padding-right:16px;}
  :root{--section-space:48px;}
  body{font-size:16px;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-text{font-size:18px;}
  .hero-help{padding:32px 0 52px;}
  .hero-copy h1{font-size:28px;}
  .hero-copy .lead{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:14px;flex-direction:column;}
  .hero-media img{height:230px;}
  .hero-float{left:12px;bottom:12px;padding:12px 16px;min-width:0;}
  .hero-float .num{font-size:24px;}
  .stats-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--divider);padding:20px;}
  .stat-cell:last-child{border-bottom:0;}
  .section-head h2{font-size:23px;}
  .tl-item{padding-left:60px;}
  .tl-num{width:40px;height:40px;font-size:13px;}
  .timeline::before{left:19px;}
  .tl-card{padding:20px;}
  .tl-card h3{font-size:18px;}
  .feature{grid-template-columns:1fr;gap:24px;}
  .feature.is-reverse .feature-media{order:0;}
  .feature.is-reverse .feature-copy{order:0;}
  .feature + .feature{margin-top:52px;}
  .feature-media img{height:210px;}
  .feature-copy h2{font-size:23px;}
  .feature-copy h3{font-size:20px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{padding:0 18px 20px;}
  .cta-inner{padding:40px 0;}
  .cta-inner h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .footer-form input{flex:1 1 100%;}
  .footer-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#2C63D4;
  --c-primary-d:#1E48A8;
  --c-primary-l:#E8F0FE;
  --c-accent:#FF7A33;
  --c-accent-l:#FFF1E8;
  --c-accent-d:#E5641F;
  --c-green:#14A085;
  --c-green-l:#E6F6F2;
  --c-text:#1B2A41;
  --c-sub:#5B6B85;
  --c-mute:#8A98AE;
  --c-bg:#F5F8FC;
  --c-card:#FFFFFF;
  --c-border:#E4EBF6;
  --c-line:#EEF3FA;
  --c-footer:#16233D;
  --r-lg:18px;
  --r-card:14px;
  --r-sm:10px;
  --sh-sm:0 1px 2px rgba(21,48,102,.06);
  --sh-md:0 4px 16px rgba(21,48,102,.08);
  --sh-lg:0 12px 32px rgba(21,48,102,.12);
  --t:180ms ease;
}
*,*::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","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t);}
a:visited{color:var(--c-primary-d);}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:-.01em;}
h1{font-size:44px;line-height:1.2;font-weight:700;}
h2{font-size:32px;line-height:1.3;font-weight:600;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
h4{font-size:18px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-head{max-width:820px;margin-bottom:40px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px;}
.lead{font-size:16.5px;line-height:1.85;color:var(--c-sub);margin-top:14px;}
.titled-bar h2{position:relative;padding-left:14px;}
.titled-bar h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-primary);}
.center{text-align:center;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--c-text);white-space:nowrap;}
.brand:visited{color:var(--c-text);}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:none;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));
  color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.04em;
}
.brand-text{letter-spacing:-.01em;}
.nav-channels{display:flex;align-items:center;gap:28px;}
.nav-link{position:relative;font-size:15.5px;font-weight:500;color:var(--c-sub);padding:6px 0;}
.nav-link:visited{color:var(--c-sub);}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.header-tools .divider{width:1px;height:26px;background:var(--c-border);}
.nav-search{position:relative;width:230px;}
.nav-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--c-border);
  background:var(--c-bg);padding:0 16px 0 40px;font-size:14.5px;transition:all var(--t);
}
.nav-search input::placeholder{color:var(--c-mute);}
.nav-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 4px rgba(44,99,212,.12);}
.nav-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--c-mute);font-size:13.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--c-border);background:#fff;color:var(--c-text);
  align-items:center;justify-content:center;cursor:pointer;transition:all var(--t);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);}
.drawer-mask{position:fixed;inset:0;background:rgba(16,32,64,.35);opacity:0;visibility:hidden;transition:opacity var(--t);z-index:80;}
.drawer-mask.show{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;
  z-index:90;padding:24px;overflow-y:auto;transform:translateX(100%);
  transition:transform var(--t);box-shadow:-12px 0 32px rgba(21,48,102,.16);
}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--c-border);background:#fff;cursor:pointer;}
.drawer-links{display:grid;gap:6px;margin-bottom:22px;}
.drawer-links a{display:block;padding:12px 14px;border-radius:var(--r-sm);font-size:16px;font-weight:500;color:var(--c-text);}
.drawer-links a:hover,.drawer-links a.active{background:var(--c-primary-l);color:var(--c-primary-d);}
.drawer-search{margin-bottom:18px;}
.drawer-actions{display:grid;gap:12px;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color var(--t),color var(--t),box-shadow var(--t),transform var(--t);
  text-decoration:none;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:visited{color:#fff;}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:visited{color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:var(--c-primary-d);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:visited{color:#fff;}
.btn-accent:hover{background:var(--c-accent-d);color:#fff;box-shadow:var(--sh-md);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 6px;height:auto;}
.btn-ghost:hover{text-decoration:underline;color:var(--c-primary-d);}
.btn-pill{border-radius:999px;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;}
.button{background-color:var(--c-primary);border-radius:var(--r-sm);}
.button:hover{background-color:var(--c-primary-d);}

.tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:500;background:var(--c-primary-l);color:var(--c-primary);}
.tag-accent{background:var(--c-accent-l);color:var(--c-accent-d);}
.tag-green{background:var(--c-green-l);color:var(--c-green);}
.tag-plain{background:#fff;border:1px solid var(--c-border);color:var(--c-sub);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13.5px;color:var(--c-mute);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--c-mute);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C6D0E2;}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;padding:52px 0 64px;
  background:linear-gradient(120deg,#FFFFFF 0%,#E8F0FE 62%,#F5F8FC 100%);
  border-bottom:1px solid var(--c-line);
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(44,99,212,.10),rgba(44,99,212,0) 70%);
  pointer-events:none;
}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:48px;position:relative;z-index:2;}
.hero-copy{flex:1 1 420px;min-width:280px;}
.hero-copy h1{max-width:640px;}
.hero-copy .lead{max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;}
.hero-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-sub);}
.hero-points i{color:var(--c-green);}
.hero-media{
  flex:0 1 460px;min-width:260px;height:268px;border-radius:16px;overflow:hidden;
  box-shadow:var(--sh-lg);position:relative;background:#DCE7FA;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media .media-badge{
  position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.96);
  border-radius:var(--r-sm);padding:10px 14px;box-shadow:var(--sh-md);
  font-size:13px;color:var(--c-sub);display:inline-flex;align-items:center;gap:8px;
}
.hero-media .media-badge strong{color:var(--c-primary);font-size:15px;font-variant-numeric:tabular-nums;}

/* ============ 标签带 ============ */
.tag-band{background:#fff;border-bottom:1px solid var(--c-line);padding:22px 0;}
.tag-band-inner{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.tag-band-inner .label{font-size:13.5px;color:var(--c-mute);}

/* ============ 错落卡片网格 ============ */
.news-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:24px;align-items:start;}
.news-col{display:grid;gap:24px;align-content:start;}
.item-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);overflow:hidden;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.item-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:#D7E2F6;}
.item-card:hover .card-title{color:var(--c-primary);}
.card-thumb{aspect-ratio:16/10;overflow:hidden;background:#E8F0FE;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.item-card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:24px;}
.card-title{font-size:19px;line-height:1.45;font-weight:600;transition:color var(--t);}
.card-excerpt{font-size:14.5px;line-height:1.75;color:var(--c-sub);margin-top:10px;}
.card-points{margin-top:14px;display:grid;gap:8px;}
.card-points li{position:relative;padding-left:18px;font-size:14px;color:var(--c-sub);line-height:1.7;}
.card-points li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--c-primary);opacity:.75;}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-mute);
}
.card-meta .meta-left{display:inline-flex;align-items:center;gap:8px;}
.card-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px;color:var(--c-primary);}
.card-link i{transition:transform var(--t);}
.item-card:hover .card-link i{transform:translateX(3px);}
.card-compact{padding:22px 24px;border-left:4px solid var(--c-primary);}
.card-compact .card-title{font-size:17px;}
.card-compact .card-excerpt{font-size:14px;}

/* ============ 更新节奏列表 ============ */
.spec-list{border-top:1px solid var(--c-line);}
.spec-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:24px 0;border-bottom:1px dashed var(--c-line);
}
.spec-icon{
  width:44px;height:44px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary-l);color:var(--c-primary);font-size:17px;
}
.spec-item h4{margin-bottom:6px;}
.spec-item p{font-size:15px;color:var(--c-sub);line-height:1.8;max-width:880px;}

/* ============ 订阅表单 ============ */
.subscribe-band{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-lg);
  box-shadow:var(--sh-md);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:40px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.field .req{color:var(--c-accent);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--c-border);
  background:#fff;padding:0 14px;font-size:15px;transition:all var(--t);
}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-mute);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(44,99,212,.12);
}
.form-note{font-size:13px;color:var(--c-mute);margin-top:12px;line-height:1.7;}
.form-tip{display:none;margin-top:14px;font-size:14px;color:var(--c-green);background:var(--c-green-l);border-radius:var(--r-sm);padding:10px 14px;}
.form-tip.show{display:block;}
.info-card{background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px;}
.info-card h3{font-size:19px;margin-bottom:16px;}
.info-list{display:grid;gap:14px;}
.info-list li{display:flex;gap:12px;font-size:14.5px;color:var(--c-sub);line-height:1.75;}
.info-list i{color:var(--c-primary);margin-top:5px;}
.info-card .btn{margin-top:22px;width:100%;}

/* ============ FAQ ============ */
.faq-list{max-width:820px;}
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item.open{border-color:#D3E0F7;box-shadow:var(--sh-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;
  color:var(--c-text);cursor:pointer;transition:color var(--t);
}
.faq-q:hover{color:var(--c-primary);}
.faq-q i{color:var(--c-mute);font-size:15px;transition:transform 220ms ease,color var(--t);flex:none;}
.faq-item.open .faq-q i{color:var(--c-primary);transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--c-sub);}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--c-primary-l);border:1px solid #D6E3FA;border-radius:var(--r-lg);
  padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h3{max-width:620px;}
.cta-band p{font-size:15px;color:var(--c-sub);margin-top:8px;max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-footer);color:#C7D3E8;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 34px;}
.site-footer .brand{color:#fff;margin-bottom:16px;}
.site-footer .brand:visited{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:linear-gradient(135deg,#3D78E6,#1E48A8);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A8B6CF;max-width:340px;}
.footer-contact{display:grid;gap:10px;margin-top:20px;font-size:14px;color:#A8B6CF;}
.footer-contact i{color:#7FB0FF;margin-right:8px;}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:4px;}
.footer-links a{display:block;font-size:14.5px;color:#A8B6CF;padding:5px 0;transition:color var(--t),padding-left var(--t);}
.footer-links a:visited{color:#A8B6CF;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-sub p{font-size:14.5px;color:#A8B6CF;line-height:1.85;margin-bottom:18px;}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;}
.footer-form input{
  flex:1 1 170px;height:46px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 14px;font-size:14.5px;color:#fff;
}
.footer-form input::placeholder{color:#8B9AB6;}
.footer-form input:focus{outline:none;border-color:#7FB0FF;box-shadow:0 0 0 4px rgba(127,176,255,.18);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 32px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:#8B9AB6;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  h1{font-size:36px;}
  h2{font-size:28px;}
  h3{font-size:20px;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .header-tools .divider{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{gap:34px;}
  .hero-media{flex:1 1 100%;height:240px;}
  .news-grid{grid-template-columns:1fr;}
  .subscribe-band{grid-template-columns:1fr;gap:28px;padding:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 28px;}
  .card-body{padding:20px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .page-hero{padding:36px 0 48px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:14px;}
  .news-grid,.news-col{gap:16px;}
  .tag-band-inner{gap:10px;}
  .cta-band{padding:26px;}
  .cta-band .btn{width:100%;}
  .spec-item{gap:14px;padding:20px 0;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a-inner{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}