/* roulang page: index */
:root{
  --primary:#1F5AE0;
  --primary-d:#16409E;
  --primary-l:#E9EFFD;
  --green:#0FA98E;
  --amber:#F2810E;
  --ink:#0B1B34;
  --ink-2:#4A5B75;
  --ink-3:#8A98AD;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --danger:#D64545;
  --disabled:#C3CBD9;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 8px 24px rgba(16,32,64,.06);
  --sh-2:0 14px 32px rgba(16,32,64,.10);
  --sh-3:0 20px 48px rgba(16,32,64,.14);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-d)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:767px){.container{padding:0 18px}}

/* ============ 顶栏 ============ */
.topbar{background:var(--primary-l);border-bottom:1px solid rgba(31,90,224,.10);font-size:13px;color:var(--ink-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-note .dot{width:6px;height:6px;border-radius:50%;background:var(--green);flex:none}
.topbar-links{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar-links a{color:var(--ink-2);font-size:13px}
.topbar-links a:hover{color:var(--primary)}
@media (max-width:767px){.topbar-links{display:none}.topbar-inner{justify-content:center}}

/* ============ 导航 ============ */
.nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease,height .2s ease}
.nav.is-scrolled{box-shadow:0 4px 16px rgba(16,32,64,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .2s ease}
.nav.is-scrolled .nav-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#3C7BF0);position:relative;flex:none}
.logo-mark::before{content:"";position:absolute;inset:9px;border:2px solid #fff;border-radius:50%;border-right-color:transparent;transform:rotate(-35deg)}
.logo-mark::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:2px;background:#fff;transform:translate(-50%,-50%) rotate(-35deg);border-radius:2px}
.logo-text{font-size:18px;font-weight:700;color:var(--primary-d);letter-spacing:.01em}
.menu{display:flex;align-items:center;gap:6px}
.menu a{position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--ink-2);border-radius:999px}
.menu a::after{content:"";position:absolute;left:50%;bottom:2px;width:0;height:3px;border-radius:3px;background:var(--primary);transform:translateX(-50%);transition:width .18s ease}
.menu a:hover{color:var(--primary)}
.menu a:hover::after{width:calc(100% - 24px)}
.menu a.active{color:var(--primary);background:var(--primary-l)}
.menu a.active::after{width:calc(100% - 24px)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;justify-content:center;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}
@media (max-width:1023px){
  .menu{display:none}
  .burger{display:flex}
  .nav-right .btn-primary{display:none}
}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .18s ease;text-align:center}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-l);color:var(--primary-d);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-link{display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:0;color:var(--primary);font-size:15px;font-weight:600;cursor:pointer}
.btn-link .arrow{transition:transform .18s ease}
.btn-link:hover{color:var(--primary-d)}
.btn-link:hover .arrow{transform:translateX(3px)}
.btn:disabled{background:var(--disabled);border-color:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none}

/* ============ 通用板块 ============ */
.sec{padding:96px 0}
.sec-sm{padding:72px 0}
.sec-tight{padding:48px 0}
.sec-white{background:#fff}
.sec-head{margin-bottom:40px}
.sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--primary);background:var(--primary-l);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.sec-title{font-size:28px;line-height:1.38;font-weight:700;letter-spacing:-.01em}
.sec-sub{margin-top:14px;font-size:15px;line-height:1.7;color:var(--ink-2);max-width:640px}
.hero + .sec, .sec + .sec {border-top:1px solid transparent}
@media (max-width:1023px){.sec{padding:72px 0}.sec-sm{padding:56px 0}}
@media (max-width:767px){.sec{padding:56px 0}.sec-sm{padding:44px 0}.sec-head{margin-bottom:28px}.sec-title{font-size:22px;line-height:1.45}}

/* ============ Hero ============ */
.hero{position:relative;background:#fff;background-image:linear-gradient(rgba(31,90,224,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,224,.045) 1px,transparent 1px);background-size:32px 32px;border-bottom:1px solid var(--line);overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(31,90,224,.10),rgba(31,90,224,0) 70%);pointer-events:none}
.hero-inner{padding:80px 0 84px;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;position:relative;z-index:1}
.hero-copy{grid-column:span 6}
.hero-media{grid-column:span 6;position:relative}
.hero h1{font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.75;color:var(--ink-2);margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:22px;border-top:1px solid var(--line)}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.trust-item svg{flex:none}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;box-shadow:var(--sh-2)}
.float-card{position:absolute;left:22px;bottom:-26px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-3);padding:16px 20px;min-width:180px}
.float-card .fc-num{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.float-card .fc-label{font-size:13px;color:var(--ink-3);margin-top:4px}
@media (max-width:1023px){
  .hero-copy{grid-column:span 12}
  .hero-media{grid-column:span 12;margin-top:40px}
  .hero-inner{padding:56px 0 64px}
  .hero h1{font-size:32px}
  .float-card{left:14px;bottom:-20px}
}
@media (max-width:767px){
  .hero h1{font-size:28px;line-height:1.3}
  .hero-sub{font-size:16px}
  .hero-inner{padding:44px 0 56px}
  .hero-actions .btn{width:100%}
  .float-card{padding:12px 16px;min-width:150px}
  .float-card .fc-num{font-size:22px}
}

/* ============ 数据看板 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease}
.stat:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat-icon{width:34px;height:34px;border-radius:9px;background:var(--primary-l);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.stat-num{font-size:36px;line-height:1.1;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--primary)}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:8px}
.stat-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-2)}
@media (max-width:1023px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}.stat{padding:20px 16px}.stat-num{font-size:28px}}

/* ============ 服务矩阵 ============ */
.svc-row1{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;margin-bottom:24px}
.svc-main{grid-column:span 6;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;display:flex;flex-direction:column}
.svc-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.svc-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.svc-main-body{padding:26px 28px 30px}
.svc-main h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:10px}
.svc-main p{font-size:15px;line-height:1.7;color:var(--ink-2);margin-bottom:16px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);line-height:1.7;padding:5px 0}
.check-list li svg{flex:none;margin-top:6px}
.svc-narrow{grid-column:span 3;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;display:flex;flex-direction:column;justify-content:space-between}
.svc-narrow:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.svc-narrow .ico{width:40px;height:40px;border-radius:10px;background:var(--primary-l);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.svc-narrow h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px}
.svc-narrow p{font-size:14px;line-height:1.7;color:var(--ink-2)}
.svc-row2{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc-mini{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease}
.svc-mini:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.svc-mini h4{font-size:16px;font-weight:600;margin:12px 0 8px}
.svc-mini p{font-size:14px;line-height:1.7;color:var(--ink-2)}
@media (max-width:1023px){
  .svc-main{grid-column:span 12}
  .svc-narrow{grid-column:span 6}
  .svc-row2{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .svc-narrow{grid-column:span 12}
  .svc-row2{grid-template-columns:1fr;gap:16px}
  .svc-row1{gap:16px}
  .svc-main-body{padding:22px 20px 26px}
}

/* ============ 结果对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;position:relative}
.compare-col{border-radius:var(--r-card);padding:28px;border:1px solid var(--line)}
.compare-col.before{background:#F1F4F9;border-color:#E1E7F0}
.compare-col.after{background:#fff;border-color:rgba(31,90,224,.35);box-shadow:var(--sh-1)}
.compare-col h3{font-size:17px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.compare-col ul li{font-size:15px;line-height:1.7;color:var(--ink-2);padding:7px 0 7px 20px;position:relative}
.compare-col.before ul li::before{content:"";position:absolute;left:0;top:16px;width:8px;height:2px;background:var(--ink-3);border-radius:2px}
.compare-col.after ul li::before{content:"";position:absolute;left:0;top:12px;width:10px;height:10px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.compare-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;box-shadow:0 10px 24px rgba(15,169,142,.30);z-index:2}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;position:relative}
.timeline::before{content:"";position:absolute;left:6%;right:6%;top:11px;height:2px;background:var(--line);z-index:0}
.tl-step{position:relative;z-index:1;padding-top:0}
.tl-dot{width:24px;height:24px;border-radius:50%;background:#fff;border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--primary);margin-bottom:16px}
.tl-step h4{font-size:16px;font-weight:600;margin-bottom:8px}
.tl-step p{font-size:14px;line-height:1.7;color:var(--ink-2)}
@media (max-width:767px){
  .compare{grid-template-columns:1fr}
  .compare-badge{position:static;transform:none;margin:0 auto}
  .timeline{grid-template-columns:1fr;gap:20px;margin-top:36px}
  .timeline::before{display:none}
}

/* ============ 最新信息 ============ */
.chip{display:inline-block;font-size:12px;line-height:1;font-weight:600;color:var(--primary);background:var(--primary-l);padding:6px 10px;border-radius:999px}
.chip-green{color:#0B7A66;background:rgba(15,169,142,.12)}
.news-feature{display:grid;grid-template-columns:repeat(12,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;margin-bottom:24px;color:inherit}
.news-feature:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:inherit}
.news-feature__media{grid-column:span 5;overflow:hidden}
.news-feature__media img{width:100%;height:100%;min-height:260px;object-fit:cover;border-radius:0}
.news-feature__body{grid-column:span 7;padding:32px}
.news-feature__body h3{font-size:22px;line-height:1.45;font-weight:600;margin:14px 0 12px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature:hover .news-feature__body h3{color:var(--primary)}
.news-feature__body p{font-size:15px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.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(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;color:inherit}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);color:inherit}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.news-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card-body h3{font-size:17px;line-height:1.55;font-weight:600;margin:12px 0 10px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-card-body h3{color:var(--primary)}
.news-card-body p{font-size:15px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-date{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-3);margin-top:auto}
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center}
.empty-state .es-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:16px;background:var(--primary-l);display:flex;align-items:center;justify-content:center}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:20px}
@media (max-width:1023px){
  .news-feature__media{grid-column:span 12}
  .news-feature__media img{min-height:200px}
  .news-feature__body{grid-column:span 12;padding:24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .news-grid{grid-template-columns:1fr;gap:16px}
  .news-feature__body h3{font-size:19px}
}

/* ============ 评价 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease}
.quote:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.quote p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:14px 0 20px}
.quote .who{display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.quote .who .avatar{width:40px;height:40px;border-radius:50%;background:var(--primary-l);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:var(--primary)}
.quote .who .name{font-size:15px;font-weight:600}
.quote .who .role{font-size:13px;color:var(--ink-3)}
@media (max-width:1023px){.quote-grid{grid-template-columns:1fr;gap:16px}}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.faq-left{grid-column:span 4}
.faq-left .sec-sub{margin-bottom:24px}
.faq-contact{border-top:1px solid var(--line);padding-top:22px}
.faq-contact p{font-size:14px;color:var(--ink-2);margin-bottom:12px}
.faq-right{grid-column:span 8}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease}
.faq-item:hover{border-color:rgba(31,90,224,.35)}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:rgba(31,90,224,.35)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:none;border:none;padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer}
.faq-q .sign{flex:none;width:22px;height:22px;position:relative;transition:transform .26s ease}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--ink-3);border-radius:2px;transition:background .18s ease}
.faq-q .sign::before{left:0;top:10px;width:22px;height:2px}
.faq-q .sign::after{left:10px;top:0;width:2px;height:22px}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg)}
.faq-item.is-open .faq-q .sign::before,.faq-item.is-open .faq-q .sign::after{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}
@media (max-width:1023px){
  .faq-left{grid-column:span 12}
  .faq-right{grid-column:span 12}
}

/* ============ 转化表单 ============ */
.cta-sec{background:#fff;border-top:1px solid var(--line)}
.cta-wrap{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:start}
.cta-left{grid-column:span 5}
.cta-right{grid-column:span 7}
.cta-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-2)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-right:6px;vertical-align:middle}
.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;outline:none}
.input,.select{height:48px;padding:0 14px}
.textarea{min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12)}
.input.err,.select.err,.textarea.err{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.10)}
.err-msg{display:none;font-size:13px;color:var(--danger);margin-top:6px}
.err-msg.show{display:block}
.pill-group{display:flex;flex-wrap:wrap;gap:10px}
.pill{position:relative}
.pill input{position:absolute;opacity:0;width:0;height:0}
.pill span{display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .18s ease;background:#fff}
.pill input:checked + span{border-color:var(--primary);background:var(--primary-l);color:var(--primary);font-weight:600}
.pill input:focus-visible + span{outline:2px solid var(--primary);outline-offset:2px}
.form-foot{margin-top:8px}
.form-note{font-size:12px;color:var(--ink-3);margin-top:14px;line-height:1.7}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);background:rgba(15,169,142,.10);border:1px solid rgba(15,169,142,.35);color:#0B7A66;font-size:14px}
.form-ok.show{display:block}
.contact-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2)}
.contact-list li:last-child{border-bottom:none}
.contact-list .k{color:var(--ink-3);font-size:14px;min-width:64px}
.contact-list .v{font-weight:600;color:var(--ink)}
@media (max-width:1023px){
  .cta-left{grid-column:span 12}
  .cta-right{grid-column:span 12}
}
@media (max-width:767px){
  .cta-card{padding:22px 18px}
  .btn-submit{width:100%}
}

/* ============ 页脚 ============ */
.footer{background:var(--ink);color:#A9B6CC;padding:72px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .logo-mark{background:linear-gradient(135deg,#2E6BEE,#5B93F5)}
.foot-brand .logo-text{color:#fff}
.foot-desc{font-size:14px;line-height:1.8;color:#93A2BC;max-width:300px}
.foot-col h4{font-size:14px;font-weight:600;color:#E4EAF4;margin-bottom:18px}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:#A9B6CC}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8A98AD}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a{color:#8A98AD}
.foot-bottom a:hover{color:#fff}
@media (max-width:1023px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:520px){
  .footer{padding:48px 0 0}
  .foot-grid{grid-template-columns:1fr;padding-bottom:28px}
  .foot-bottom{justify-content:flex-start}
}

/* ============ 移动端抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(11,27,52,.45);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:90;transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;box-shadow:var(--sh-3)}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border:none;background:none;position:relative;cursor:pointer}
.drawer-close::before,.drawer-close::after{content:"";position:absolute;left:11px;top:21px;width:22px;height:2px;background:var(--ink);border-radius:2px}
.drawer-close::before{transform:rotate(45deg)}
.drawer-close::after{transform:rotate(-45deg)}
.drawer-list{padding:10px 12px;flex:1;overflow-y:auto}
.drawer-list a{display:block;padding:0 14px;height:56px;line-height:56px;font-size:17px;font-weight:500;color:var(--ink-2);border-radius:10px}
.drawer-list a:hover{background:var(--bg);color:var(--primary)}
.drawer-list a.active{background:var(--primary-l);color:var(--primary);font-weight:600}
.drawer-foot{padding:16px 18px 24px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.drawer-foot .dp{font-size:13px;color:var(--ink-3);margin-top:14px;text-align:center}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important}
}

/* roulang page: article */
:root{
  --primary:#1F5AE0;
  --primary-dark:#16409E;
  --primary-soft:#E9EFFD;
  --accent:#F2810E;
  --teal:#0FA98E;
  --warn:#E9A21B;
  --danger:#D64545;
  --disabled:#C3CBD9;
  --text:#0B1B34;
  --text-2:#4A5B75;
  --text-3:#8A98AD;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --dark:#0B1B34;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 8px 24px rgba(16,32,64,.06);
  --sh-2:0 14px 32px rgba(16,32,64,.10);
  --sh-3:0 20px 48px rgba(16,32,64,.14);
  --top-h:36px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--primary-soft);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  max-height:44px;
  overflow:hidden;
  transition:max-height .22s ease,border-color .22s ease;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;}
.topbar-note{display:inline-flex;align-items:center;gap:8px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none;}
.topbar-links{display:inline-flex;align-items:center;gap:12px;white-space:nowrap;}
.topbar-links a{color:var(--primary-dark);font-weight:600;}
.topbar-links a:hover{color:var(--primary);}
.topbar-sep{width:1px;height:12px;background:#C9D6F5;display:inline-block;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,32,64,.08);}
.site-header.is-scrolled .topbar{max-height:0;border-bottom-color:transparent;}
.navbar{background:#fff;border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);transition:height .2s ease;}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:
    linear-gradient(135deg,var(--primary) 0%,#3E7BF0 55%,var(--teal) 100%);
  position:relative;
  box-shadow:0 6px 14px rgba(31,90,224,.28);
}
.logo-mark::after{
  content:"";position:absolute;inset:8px;
  border:2px solid rgba(255,255,255,.92);
  border-radius:5px;
  border-right-color:transparent;
  border-bottom-color:transparent;
  transform:rotate(45deg);
}
.logo-text{font-size:18px;font-weight:700;color:var(--primary-dark);letter-spacing:-.01em;}
.menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.menu a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
}
.menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.menu a:hover{color:var(--primary);}
.menu a:hover::after{transform:scaleX(1);}
.menu a.active{
  color:var(--primary);font-weight:600;
  background:var(--primary-soft);
  padding:6px 12px;border-radius:999px;
}
.menu a.active::after{transform:scaleX(1);left:12px;right:12px;bottom:2px;height:2px;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,90,224,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(31,90,224,.20);}
.btn-ghost{background:#fff;color:var(--primary);border-color:#C6D5F7;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;background:none;border:0;padding:0;cursor:pointer;
}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover .arrow{transform:translateX(3px);}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:all .2s ease;}
.hamburger:hover{border-color:#C6D5F7;background:var(--primary-soft);}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,27,52,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:#fff;z-index:100;transform:translateX(102%);
  transition:transform .26s ease;display:flex;flex-direction:column;
  box-shadow:var(--sh-3);padding:20px 20px 24px;
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{background:var(--primary-soft);color:var(--primary);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;padding:16px 0;overflow-y:auto;flex:1;}
.drawer-nav a{
  display:flex;align-items:center;min-height:56px;padding:0 14px;border-radius:12px;
  font-size:17px;color:var(--text-2);font-weight:500;
}
.drawer-nav a:hover{background:var(--bg);color:var(--primary);}
.drawer-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- 文章头部 ---------- */
.page-head{background:#fff;padding:36px 0 32px;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#C3CBD9;}
.breadcrumb .current{color:var(--primary);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:16px;
}
.page-head h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.01em;color:var(--text);
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:20px;font-size:13px;color:var(--text-3);
}
.article-meta .meta-sep{width:5px;height:5px;border-radius:50%;background:#C3CBD9;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:6px 12px;
}
.chip-teal{color:var(--teal);background:rgba(15,169,142,.12);}

/* ---------- 正文 ---------- */
.article-section{background:#fff;padding:8px 0 56px;}
.article-body{
  max-width:720px;margin:0 auto;
  font-size:17px;line-height:1.9;color:#20304C;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;font-size:17px;line-height:1.9;color:#22334D;}
.article-body h2{
  position:relative;padding-left:16px;
  font-size:26px;line-height:1.4;font-weight:700;color:var(--text);
  margin:44px 0 18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;
  border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--text);margin:32px 0 14px;}
.article-body h4{font-size:17px;font-weight:600;color:var(--text);margin:26px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;}
.article-body ul li{position:relative;list-style:none;padding-left:16px;margin-bottom:10px;font-size:16px;line-height:1.8;color:#22334D;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.article-body ol{list-style:decimal;padding-left:24px;}
.article-body ol li{margin-bottom:10px;font-size:16px;line-height:1.8;color:#22334D;}
.article-body strong{font-weight:700;color:var(--text);}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;
  background:var(--primary-soft);
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
  font-size:16px;line-height:1.85;
}
.article-body blockquote p{margin:0;font-size:16px;color:var(--text-2);}
.article-body img{border-radius:var(--r-img);margin:26px auto;background:#E9EEF7;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(31,90,224,.35);}
.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;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
  margin:26px 0;font-size:15px;
}
.article-body th{
  background:#F2F5FC;color:var(--text);font-weight:600;text-align:left;
  padding:12px 16px;border-bottom:1px solid var(--line);font-size:14px;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);color:#22334D;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{
  background:#F2F5FC;color:var(--primary-dark);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body pre{
  background:#0B1B34;color:#DCE6FA;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:560px;margin:0 auto;text-align:center;
  padding:56px 28px;background:var(--bg);
  border:1px dashed #CBD6EC;border-radius:var(--r-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.empty-icon span{
  width:26px;height:26px;border:2px solid var(--primary);border-radius:6px;
  border-right-color:transparent;border-bottom-color:transparent;transform:rotate(45deg);
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--text);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px;}
.empty-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ---------- 标签行 ---------- */
.tag-row{
  max-width:720px;margin:0 auto;padding-top:28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag-row .tag-title{font-size:13px;color:var(--text-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;line-height:1;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:7px 13px;
  transition:all .18s ease;
}
.tag:hover{background:#D9E4FC;color:var(--primary-dark);}
.back-row{
  max-width:720px;margin:26px auto 0;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:24px;
}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px;}
.section-label{
  display:inline-block;font-size:12px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
.section-head h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--text);}
.section-head p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:620px;}

/* ---------- 延伸阅读 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5DEF4;}
.card-media{position:relative;aspect-ratio:16/9;background:#E9EEF7;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .chip{position:absolute;left:14px;top:14px;background:#fff;box-shadow:var(--sh-1);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--text);margin-bottom:10px;}
.card-body p{font-size:15px;line-height:1.7;color:var(--text-2);margin-bottom:16px;flex:1;}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card a.card-link{position:absolute;inset:0;font-size:0;color:transparent;border:0;}
.card{position:relative;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:#fff;
  border:1px solid #D5DEF4;
  border-radius:18px;
  padding:40px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-1);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--primary),var(--teal));
}
.cta-band .cta-text h2{font-size:24px;font-weight:700;color:var(--text);margin-bottom:8px;}
.cta-band .cta-text p{font-size:15px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-wrap{background:var(--primary-soft);padding:72px 0;}
.cta-wrap .cta-band{background:#fff;}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#A9B6CC;padding:64px 0 28px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .logo-text{color:#fff;font-size:18px;font-weight:700;}
.foot-desc{font-size:14px;line-height:1.8;color:#A9B6CC;max-width:360px;}
.foot-col h4{font-size:14px;font-weight:600;color:#E8EEFB;margin-bottom:16px;}
.foot-col ul{display:flex;flex-direction:column;gap:12px;}
.foot-col li{font-size:14px;color:#A9B6CC;line-height:1.7;}
.foot-col a{color:#A9B6CC;font-size:14px;}
.foot-col a:hover{color:#fff;}
.foot-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#8496B0;
}
.foot-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.foot-bottom a{color:#8496B0;}
.foot-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 24px;}
  .menu{gap:20px;}
}
@media (max-width:1023px){
  .menu{display:none;}
  .nav-actions .btn-sm{display:none;}
  .hamburger{display:flex;}
  .nav-inner{gap:16px;}
  .nav-inner .brand{margin-right:auto;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-head h1{font-size:32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .topbar-note{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .topbar-links .topbar-icp{display:none;}
  .nav-inner{height:60px;gap:12px;}
  .site-header.is-scrolled .nav-inner{height:56px;}
  .page-head{padding:26px 0 24px;}
  .page-head h1{font-size:28px;line-height:1.32;}
  .article-section{padding:4px 0 40px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body p{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;margin:34px 0 14px;}
  .article-body h3{font-size:18px;}
  .article-body img{width:100%;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .section-head h2{font-size:22px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-band .cta-text h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .cta-wrap{padding:48px 0;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .empty-state{padding:40px 20px;}
  .btn{height:48px;padding:0 20px;}
  .btn-sm{height:40px;}
}
@media (max-width:479px){
  .page-head h1{font-size:26px;}
  .article-meta{font-size:12px;}
}

/* roulang page: category1 */
:root{
  --brand:#1F5AE0;
  --brand-dark:#16409E;
  --brand-soft:#E9EFFD;
  --mint:#0FA98E;
  --amber:#F2810E;
  --ink:#0B1B34;
  --ink-2:#4A5B75;
  --ink-3:#8A98AD;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --error:#D64545;
  --warn:#E9A21B;
  --disabled:#C3CBD9;
  --r-card:14px;
  --r-btn:10px;
  --r-tag:999px;
  --r-img:12px;
  --sh-1:0 8px 24px rgba(16,32,64,.06);
  --sh-2:0 14px 32px rgba(16,32,64,.10);
  --sh-3:0 20px 48px rgba(16,32,64,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--card);
  font-variant-numeric:tabular-nums;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-0.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
@media (min-width:1440px){:root{--container:1280px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:767px){.container{padding:0 18px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-soft);border-bottom:1px solid #DCE6FB}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;font-size:13px;color:var(--ink-2)}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto}
.topbar-right{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.topbar-right a{color:var(--brand-dark);font-weight:600}
.topbar-right a:hover{color:var(--brand)}
@media (max-width:767px){
  .topbar .container{font-size:12px}
  .topbar-right .topbar-meta{display:none}
}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease,height .2s ease}
.site-header.scrolled{box-shadow:0 4px 16px rgba(16,32,64,.08)}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height .2s ease}
.site-header.scrolled .nav-row{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),#4D86FF);
  position:relative;box-shadow:0 4px 10px rgba(31,90,224,.28);
}
.logo-mark::after{content:"";position:absolute;inset:8px;border:2px solid #fff;border-radius:4px}
.logo-text{font-size:18px;font-weight:700;color:var(--brand-dark);letter-spacing:-0.01em}
.menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.menu a{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:var(--r-tag);transition:color .18s ease,background .18s ease;
}
.menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left center;transition:transform .18s ease;
}
.menu a:hover{color:var(--brand);background:var(--brand-soft)}
.menu a:hover::after{transform:scaleX(1)}
.menu a.active{color:var(--brand);background:var(--brand-soft)}
.menu a.active::after{transform:scaleX(1)}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;border-radius:var(--r-btn);
  box-shadow:0 6px 16px rgba(31,90,224,.22);transition:background .18s ease,transform .18s ease,box-shadow .18s ease;white-space:nowrap}
.nav-cta:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.nav-cta:active{transform:none}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  align-items:center;justify-content:center;cursor:pointer;
}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.drawer-mask{position:fixed;inset:0;background:rgba(11,27,52,.45);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:90}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,88vw);background:#fff;z-index:95;
  transform:translateX(102%);transition:transform .26s ease;display:flex;flex-direction:column;
  box-shadow:var(--sh-3);padding:20px;
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);cursor:pointer;
  font-size:20px;line-height:1;color:var(--ink-2)}
.drawer-close:hover{color:var(--brand);border-color:var(--brand)}
.drawer nav{display:flex;flex-direction:column;padding:12px 0;flex:1 1 auto;overflow:auto}
.drawer nav a{display:flex;align-items:center;height:56px;padding:0 14px;font-size:17px;color:var(--ink-2);border-radius:var(--r-btn)}
.drawer nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-foot{padding-top:14px;border-top:1px solid var(--line)}
.drawer-foot .nav-cta{width:100%;height:48px}
@media (max-width:1023px){
  .menu,.nav-row>.nav-cta{display:none}
  .burger{display:inline-flex}
}

/* ---------- 通用块 ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.compact{padding:48px 0}
.section.soft{background:var(--bg)}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-tag);padding:6px 12px;margin-bottom:14px;letter-spacing:.04em;
}
.h2{font-size:28px;font-weight:700;color:var(--ink)}
.h3{font-size:20px;font-weight:600;color:var(--ink)}
.lead{font-size:16px;color:var(--ink-2);max-width:760px}
.muted{font-size:13px;color:var(--ink-3)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head .link-more{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.sec-head .link-more::after{content:"→";transition:transform .18s ease}
.sec-head .link-more:hover::after{transform:translateX(3px)}
@media (max-width:767px){
  .section{padding:56px 0}
  .section.tight{padding:44px 0}
  .section.compact{padding:32px 0}
  .h2{font-size:22px}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,90,224,.20)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:none}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-1px)}
.btn-ghost:active{transform:none}
.btn-quiet{background:#fff;color:var(--ink-2);border-color:var(--line)}
.btn-quiet:hover{border-color:var(--brand);color:var(--brand)}
.btn[disabled],.btn.is-disabled{background:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;border-color:transparent}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;background:none;border:0;cursor:pointer;padding:0}
.btn-text::after{content:"→";transition:transform .18s ease}
.btn-text:hover::after{transform:translateX(3px)}
@media (max-width:767px){.btn{height:48px;width:100%}}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C6CFDE}
.crumb .now{color:var(--brand);font-weight:600}

/* ---------- Mini Hero ---------- */
.mini-hero{
  background:var(--bg);
  background-image:linear-gradient(rgba(31,90,224,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,224,.045) 1px,transparent 1px);
  background-size:48px 48px;
  border-bottom:1px solid var(--line);
  padding:40px 0 48px;
}
.mini-hero .inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.mini-hero h1{font-size:36px;font-weight:700;margin:16px 0 14px}
.mini-hero .sub{font-size:16px;color:var(--ink-2);max-width:620px}
.hero-mini-media{position:relative}
.hero-mini-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;box-shadow:var(--sh-2);background:#E9EEF7}
.hero-mini-badge{
  position:absolute;left:-18px;bottom:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:14px 18px;box-shadow:var(--sh-2);min-width:190px;
}
.hero-mini-badge .num{font-size:26px;font-weight:700;color:var(--brand);line-height:1.2}
.hero-mini-badge .txt{font-size:13px;color:var(--ink-3)}
@media (max-width:1023px){
  .mini-hero .inner{grid-template-columns:1fr;gap:28px}
  .mini-hero h1{font-size:28px}
  .hero-mini-badge{left:12px;bottom:12px}
}
@media (max-width:767px){
  .mini-hero{padding:28px 0 36px}
  .mini-hero h1{font-size:24px}
}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:80px}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);background:#E9EEF7}
.split-media::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:110px;height:110px;border-radius:18px;
  background:var(--brand-soft);z-index:-1;
}
.split.reverse .split-media{order:2}
.split-body .h2{margin-bottom:16px}
.split-body p{color:var(--ink-2);margin-bottom:16px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2)}
.check-list .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(15,169,142,.12);
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-list .tick svg{width:12px;height:12px;stroke:var(--mint);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.check-list strong{color:var(--ink);font-weight:600}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:28px}
  .split + .split{margin-top:52px}
  .split.reverse .split-media{order:0}
  .split-media::after{display:none}
}

/* ---------- 数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6E0F5}
.stat-card .ico{width:38px;height:38px;border-radius:10px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.stat-card .ico svg{width:20px;height:20px;stroke:var(--brand);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.stat-card .num{font-size:36px;font-weight:700;color:var(--brand);line-height:1.15;letter-spacing:-0.02em}
.stat-card .num small{font-size:16px;font-weight:600;margin-left:2px}
.stat-card .label{font-size:13px;color:var(--ink-3);margin-top:6px}
.stat-card .bar{height:1px;background:var(--line);margin:18px 0 12px}
.stat-card .note{font-size:13px;color:var(--ink-2);line-height:1.6}
@media (max-width:1023px){.stat-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:767px){.stat-grid{grid-template-columns:1fr}.stat-card{padding:22px}}

/* ---------- 横向列表项 ---------- */
.hlist{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hitem{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.hitem:hover{transform:translateX(2px);box-shadow:var(--sh-2);border-color:#D6E0F5}
.hitem .dateblock{
  flex:0 0 56px;width:56px;height:56px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;
}
.hitem .dateblock .d{font-size:19px;font-weight:700}
.hitem .dateblock .m{font-size:11px;font-weight:600}
.hitem .h-title{font-size:17px;font-weight:600;margin-bottom:6px}
.hitem:hover .h-title{color:var(--brand)}
.hitem p{font-size:14px;color:var(--ink-2);line-height:1.7}
.tag{display:inline-block;font-size:12px;line-height:1;padding:6px 10px;border-radius:var(--r-tag);background:var(--brand-soft);color:var(--brand);font-weight:600}
.tag.mint{background:rgba(15,169,142,.12);color:#0B7F6B}
@media (max-width:1023px){.hlist{grid-template-columns:1fr}}
@media (max-width:767px){.hitem{padding:18px}}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side .h2{margin-bottom:14px}
.faq-side p{color:var(--ink-2);margin-bottom:22px}
.faq-side .mini-contact{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.faq-side .mini-contact .t{font-size:15px;font-weight:600;margin-bottom:6px}
.faq-side .mini-contact .s{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.faq-list{display:flex;flex-direction:column;gap:12px}
details.qa{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:0 20px;box-shadow:var(--sh-1);transition:border-color .18s ease,box-shadow .18s ease}
details.qa[open]{border-color:#CFDDFA;box-shadow:var(--sh-2)}
details.qa summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--ink);
}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{
  content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--ink-3);font-weight:400;
  transition:transform .26s ease,color .26s ease;
}
details.qa[open] summary::after{content:"+";transform:rotate(45deg);color:var(--brand)}
details.qa .answer{padding:0 0 20px;font-size:15px;color:var(--ink-2);max-width:760px}
@media (max-width:1023px){
  .faq-wrap{grid-template-columns:1fr;gap:28px}
}

/* ---------- CTA / 表单 ---------- */
.cta-band{
  background:var(--brand-soft);border:1px solid #CFDDFA;border-radius:18px;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band .h3{margin-bottom:8px}
.cta-band p{color:var(--ink-2);font-size:15px;max-width:620px}
.contact-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-info .h2{margin-bottom:14px}
.contact-info>p{color:var(--ink-2);margin-bottom:24px}
.contact-info .check-list{margin-top:0;margin-bottom:28px}
.info-line{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2)}
.info-line span strong{color:var(--ink);font-weight:600}
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-right:6px;vertical-align:middle}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A9B6CC}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,90,224,.12);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--error);box-shadow:none}
.err-msg{display:none;font-size:13px;color:var(--error);margin-top:6px}
.field.has-error .err-msg{display:block}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:var(--r-tag);padding:9px 16px;font-size:14px;color:var(--ink-2);
  cursor:pointer;transition:all .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.on{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);font-weight:600}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:6px}
.privacy{font-size:12px;color:var(--ink-3);margin-top:14px}
@media (max-width:1023px){
  .contact-wrap{grid-template-columns:1fr;gap:28px}
  .form-card{padding:24px}
  .cta-band{padding:26px}
}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#A9B6CC;padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .logo-text{color:#fff}
.foot-desc{font-size:14px;line-height:1.8;color:#A9B6CC;max-width:340px}
.foot-col h4{font-size:14px;font-weight:600;color:#E8EEF9;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:11px}
.foot-col li,.foot-col a{font-size:14px;color:#A9B6CC;line-height:1.6}
.foot-col a:hover{color:#fff}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8C9BB5;
}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a:hover{color:#fff}
@media (max-width:1023px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer{padding-top:48px}
}
@media (max-width:599px){
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-desc{max-width:none}
}

/* ---------- 进入动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand:#1F5AE0;
  --brand-dark:#16409E;
  --brand-soft:#E9EFFD;
  --mint:#0FA98E;
  --amber:#F2810E;
  --ink:#0B1B34;
  --ink-2:#4A5B75;
  --ink-3:#8A98AD;
  --line:#E6EAF2;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --deep:#0B1B34;
  --danger:#D64545;
  --disabled:#C3CBD9;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(16,32,64,.06);
  --sh-2:0 14px 32px rgba(16,32,64,.10);
  --sh-3:0 20px 48px rgba(16,32,64,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:1023px){.container{padding:0 24px}}
@media (max-width:767px){.container{padding:0 18px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{background:var(--disabled);color:#fff;box-shadow:none;cursor:not-allowed;transform:none;border-color:transparent}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}

.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.text-link .arrow{transition:transform .18s ease}
.text-link:hover .arrow{transform:translateX(3px)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-soft);color:var(--brand-dark);font-size:13px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding-top:6px;padding-bottom:6px;flex-wrap:wrap}
.topbar-note{opacity:.92}
.topbar-links{display:flex;align-items:center;gap:10px}
.topbar-links a{color:var(--brand-dark);font-weight:600}
.topbar-links a:hover{color:var(--brand)}
.topbar-links .sep{width:1px;height:12px;background:rgba(31,90,224,.28);display:inline-block}
.topbar-plain{opacity:.8}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50}
.navbar{background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck .navbar{box-shadow:0 4px 16px rgba(16,32,64,.08)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .2s ease}
.site-header.is-stuck .nav-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{position:relative;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#5C8BF2);flex:none;box-shadow:0 4px 10px rgba(31,90,224,.28)}
.logo-mark::before{content:"";position:absolute;left:8px;top:8px;width:5px;height:12px;border-radius:2px;background:#fff}
.logo-mark::after{content:"";position:absolute;right:8px;top:8px;width:5px;height:12px;border-radius:2px;background:rgba(255,255,255,.62)}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.menu a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .18s ease;
}
.menu a:hover{color:var(--brand)}
.menu a:hover::after{transform:scaleX(1)}
.menu a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.menu a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  transition:border-color .18s ease,background .18s ease;
}
.menu-toggle:hover{border-color:#cfd9ec;background:var(--bg)}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer-mask{position:fixed;inset:0;background:rgba(11,27,52,.46);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:60}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:#fff;z-index:61;
  display:flex;flex-direction:column;padding:18px 20px 24px;
  transform:translateX(102%);transition:transform .25s ease;box-shadow:var(--sh-3);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;color:var(--ink-2);line-height:1;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--bg)}
.drawer-nav{padding-top:8px;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:17px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);padding:0 10px;border-radius:10px;
}
.drawer-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.drawer-nav a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:18px}
.drawer-foot .btn{width:100%}
.drawer-note{font-size:13px;color:var(--ink-3);margin-top:12px;line-height:1.6}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-sm{padding:72px 0}
.section-tight{padding:48px 0}
.section-white{background:#fff}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);padding:5px 12px;border-radius:var(--r-pill);
}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{font-size:28px;font-weight:700;color:var(--ink);margin-top:14px}
.sec-head p{font-size:15px;line-height:1.75;color:var(--ink-2);margin-top:14px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head-row .sec-head{margin-bottom:0}

@media (max-width:1023px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .section-tight{padding:44px 0}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .section-tight{padding:32px 0}
  .sec-head h2{font-size:22px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:16px}
}

/* ---------- 迷你首屏 ---------- */
.mini-hero{
  position:relative;background:#fff;border-bottom:1px solid var(--line);
  padding:56px 0 60px;overflow:hidden;
}
.mini-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(31,90,224,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(31,90,224,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 88%);
  pointer-events:none;
}
.mini-hero .container{position:relative}
.mini-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand);font-weight:600}
.mini-hero h1{font-size:clamp(28px,3.2vw,40px);line-height:1.34;font-weight:700;color:var(--ink);margin-top:14px}
.mini-hero .lead{font-size:16px;line-height:1.8;color:var(--ink-2);margin-top:18px;max-width:560px}
.mini-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.mini-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 12px;
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.mh-media{position:relative}
.mh-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--sh-1)}
.mh-badge{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.mh-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(15,169,142,.14)}
.mh-badge span{font-size:13px;color:var(--ink-2);font-weight:600}
@media (max-width:1023px){
  .mini-hero{padding:44px 0 48px}
  .mini-hero-grid{grid-template-columns:1fr;gap:32px}
  .mh-media{order:-1}
  .mh-badge{left:10px;bottom:10px}
}

/* ---------- 指标卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:1023px){
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:767px){
  .grid-3{grid-template-columns:1fr}
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9e2f7}
.stat-card{padding:26px 28px}
.stat-top{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3)}
.stat-icon{width:34px;height:34px;border-radius:10px;background:var(--brand-soft);display:flex;align-items:center;justify-content:center;color:var(--brand);flex:none}
.stat-num{font-size:40px;font-weight:700;color:var(--brand);line-height:1.1;margin-top:16px;letter-spacing:-.02em}
.stat-num .unit{font-size:18px;font-weight:600;margin-left:2px}
.stat-title{font-size:17px;font-weight:600;color:var(--ink);margin-top:6px}
.stat-foot{border-top:1px solid var(--line);margin-top:18px;padding-top:14px;font-size:13px;line-height:1.65;color:var(--ink-2)}

/* ---------- 清单卡 ---------- */
.list-card{display:flex;gap:20px;padding:26px 28px}
.list-num{
  flex:none;min-width:52px;font-size:30px;font-weight:700;line-height:1.1;
  color:var(--brand);opacity:.9;letter-spacing:-.02em;
}
.list-body h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:8px}
.list-body p{font-size:15px;line-height:1.72;color:var(--ink-2)}
.list-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;line-height:1;
  padding:6px 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.tag-mint{background:rgba(15,169,142,.12);color:#0B7B68}
@media (max-width:767px){
  .list-card{padding:22px 20px;gap:14px}
  .list-num{min-width:44px;font-size:26px}
}

/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-body h2{font-size:28px;font-weight:700;color:var(--ink);margin-top:14px}
.split-body p{font-size:15px;line-height:1.8;color:var(--ink-2);margin-top:16px}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;color:var(--ink-2)}
.check-list .ic{
  flex:none;width:22px;height:22px;border-radius:50%;background:rgba(15,169,142,.12);
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-list .ic svg{width:12px;height:12px;stroke:var(--mint);stroke-width:2.4;fill:none}
.check-list strong{color:var(--ink);font-weight:600}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:32px}
  .split-media{order:-1}
  .split-body h2{font-size:22px}
}

/* ---------- 流程 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding-top:28px}
.step::before{
  content:"";position:absolute;top:6px;left:0;right:0;height:2px;background:var(--line);border-radius:2px;
}
.step:last-child::before{background:linear-gradient(90deg,var(--line),transparent)}
.step-dot{
  position:absolute;top:0;left:0;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(31,90,224,.10);
}
.step-no{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em}
.step h3{font-size:18px;font-weight:600;color:var(--ink);margin-top:8px}
.step p{font-size:15px;line-height:1.72;color:var(--ink-2);margin-top:10px}
@media (max-width:1023px){
  .timeline{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .timeline{grid-template-columns:1fr}
  .step::before{display:none}
  .step{padding-top:22px;padding-left:26px}
  .step-dot{left:0;top:4px}
}

/* ---------- 团队卡 ---------- */
.team-card{padding:28px}
.team-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.team-card h3{font-size:18px;font-weight:600;color:var(--ink);margin-top:18px}
.team-card p{font-size:15px;line-height:1.72;color:var(--ink-2);margin-top:10px}
.team-card .divider{height:1px;background:var(--line);margin:20px 0 16px}
.team-card .mini{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside p{font-size:15px;line-height:1.75;color:var(--ink-2);margin-top:16px}
.faq-aside .contact-box{
  margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.faq-aside .contact-box strong{display:block;font-size:15px;color:var(--ink);font-weight:600}
.faq-aside .contact-box span{display:block;font-size:13px;color:var(--ink-3);margin-top:6px;line-height:1.6}
.faq-aside .contact-box .btn{margin-top:16px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item:hover{border-color:#d9e2f7}
.faq-item.open{border-color:#c7d7f8;box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-plus{
  flex:none;position:relative;width:22px;height:22px;border-radius:50%;
  background:var(--brand-soft);transition:transform .26s ease,background .18s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-plus::before{width:10px;height:2px}
.faq-plus::after{width:2px;height:10px}
.faq-item.open .faq-plus{transform:rotate(45deg);background:var(--brand)}
.faq-item.open .faq-plus::before,.faq-item.open .faq-plus::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.78;color:var(--ink-2)}
@media (max-width:1023px){
  .faq-grid{grid-template-columns:1fr;gap:32px}
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-soft);border:1px solid #c9d8fb;border-radius:18px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,90,224,.16),rgba(31,90,224,0) 68%);
}
.cta-band .cta-copy{position:relative;z-index:1;max-width:680px}
.cta-band h2{font-size:26px;font-weight:700;color:var(--ink)}
.cta-band p{font-size:15px;line-height:1.75;color:var(--ink-2);margin-top:12px}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.cta-note{font-size:13px;color:var(--ink-3);margin-top:14px}
@media (max-width:1023px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px}
  .cta-band h2{font-size:22px}
}

/* ---------- 表单（轻量联系块） ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-left:6px;vertical-align:middle}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  padding:0 14px;height:48px;font-size:15px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,90,224,.12);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--danger)}
.field .err{font-size:13px;color:var(--danger);margin-top:6px;display:none}
.field.has-error .err{display:block}
.form-privacy{font-size:12px;line-height:1.6;color:var(--ink-3);margin-top:14px}

/* ---------- 页脚 ---------- */
.footer{background:var(--deep);color:#A9B6CC;padding:72px 0 28px;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand .logo-mark{box-shadow:none}
.foot-brand .logo-text{color:#fff;font-size:18px;font-weight:700}
.foot-desc{font-size:14px;line-height:1.8;color:#A9B6CC;margin-top:16px;max-width:360px}
.foot-col h4{font-size:14px;font-weight:600;color:#E9EEF8;margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:14px;line-height:1.7;color:#A9B6CC}
.foot-col a{font-size:14px;color:#A9B6CC}
.foot-col a:hover{color:#fff}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A98AD;
}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom .links a{color:#8A98AD;font-size:13px}
.foot-bottom .links a:hover{color:#fff}
@media (max-width:1023px){
  .footer{padding:56px 0 24px;margin-top:72px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ---------- 移动端导航 ---------- */
@media (max-width:1023px){
  .menu{display:none}
  .menu-toggle{display:inline-flex}
  .nav-actions{margin-left:auto}
}
@media (max-width:767px){
  .nav-cta{display:none}
  .topbar-plain{display:none}
}