/* roulang page: index */
:root{
  --brand:#1F5FD6;--brand-700:#17479F;--brand-900:#123B7A;--brand-50:#EEF4FF;
  --accent:#F26A21;--accent-50:#FFF1E7;
  --teal:#12A594;--warn:#D98E04;--danger:#D64545;
  --ink:#0E1B2C;--ink-2:#46586E;--ink-3:#7C8CA1;
  --bg:#F6F8FC;--surface:#FFFFFF;--line:#E4EAF2;
  --sh-1:0 1px 2px rgba(14,27,44,.04),0 8px 24px rgba(23,71,159,.07);
  --sh-2:0 14px 34px rgba(23,71,159,.12);
  --r-card:16px;--r-input:12px;--r-pill:999px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"Inter","SF Pro Display",-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num,.tl-clock,.state-num,.ticket-price{font-family:var(--font-num);font-variant-numeric:tabular-nums}
::selection{background:rgba(31,95,214,.16)}
:focus-visible{outline:3px solid rgba(31,95,214,.3);outline-offset:2px}

/* ---------- 布局基础 ---------- */
.container{width:100%;max-width:1248px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:40px}
.section-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-50);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.4px}
.section-desc{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:10px}
.link-more{color:var(--brand);font-weight:600;font-size:15px;white-space:nowrap;border-bottom:1px solid transparent;transition:.2s}
.link-more:hover{border-color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:10px;font-size:16px;font-weight:600;
  cursor:pointer;transition:transform .2s cubic-bezier(.2,.7,.3,1),background .2s,box-shadow .2s,color .2s;
  white-space:nowrap;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.24)}
.btn-accent:hover{filter:brightness(.92)}
.btn-accent:active{transform:translateY(1px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid rgba(31,95,214,.4)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-50)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;border-radius:var(--r-pill);padding:3px 11px;line-height:1.6}
.badge-brand{background:var(--brand-50);color:var(--brand)}
.badge-accent{background:var(--accent);color:#fff}
.badge-teal{background:rgba(18,165,148,.1);color:var(--teal)}
.badge-warn{background:rgba(217,142,4,.12);color:var(--warn)}
.badge-line{background:transparent;color:var(--ink-2);border:1px solid var(--line)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);transition:box-shadow .25s,background .25s;
}
.site-header.scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.95);backdrop-filter:blur(6px)}
.nav-top{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--brand),var(--brand-700));
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(23,71,159,.25);
}
.logo-mark svg{width:20px;height:20px;stroke:#fff}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}
.nav-search{
  position:relative;display:flex;align-items:center;width:100%;max-width:540px;margin:0 auto;
  height:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 40px;transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.nav-search .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:17px;height:17px;stroke:var(--ink-3);pointer-events:none}
.nav-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:14.5px;outline:none}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s}
.nav-search button:hover{background:var(--brand-700)}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.link-login{font-size:15px;font-weight:600;color:var(--ink-2);padding:8px 4px;transition:color .2s}
.link-login:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink)}
.nav-cats{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:14px 0;white-space:nowrap;
  transition:color .2s;
}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a.active{color:var(--brand);font-weight:600}
.nav-cats a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:3px;border-radius:2px;background:var(--brand);
}
.drawer-cta{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:
    radial-gradient(rgba(31,95,214,.055) 1px,transparent 1px) 0 0/22px 22px,
    linear-gradient(180deg,#EAF1FF 0%,#F6F8FC 78%);
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:560px;padding-top:72px;padding-bottom:80px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-700);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:20px;
  box-shadow:var(--sh-1);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(18,165,148,.15)}
.hero h1{font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px}
.hero-sub{font-size:18px;color:var(--ink-2);margin-top:18px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;border-top:1px solid var(--line);padding-top:24px}
.hero-points li{flex:1 1 0;min-width:150px;padding-right:20px;border-right:1px solid var(--line)}
.hero-points li:last-child{border-right:0;padding-right:0}
.hero-points .p-label{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:4px}
.hero-points .p-value{font-size:15px;font-weight:600;color:var(--ink)}
.hero-media{position:relative}
.hero-figure{
  position:relative;aspect-ratio:16/10;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);
  background:#DCE6F6;
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.96);border-radius:14px;
  box-shadow:var(--sh-1);padding:14px 18px;display:flex;gap:22px;backdrop-filter:blur(4px);
}
.hero-float .f-item .f-label{display:block;font-size:12px;color:var(--ink-3);margin-bottom:2px}
.hero-float .f-item .f-value{font-size:15px;font-weight:700;color:var(--brand-900)}

/* ---------- 数据条 ---------- */
.stats-band{background:linear-gradient(180deg,var(--brand-900),var(--brand-700));color:#fff;padding:34px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{display:flex;align-items:center;gap:14px;padding-right:24px;border-right:1px solid rgba(255,255,255,.16)}
.stat-item:last-child{border-right:0;padding-right:0}
.stat-icon{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon svg{width:20px;height:20px;stroke:#fff}
.stat-num{font-size:24px;font-weight:700;letter-spacing:-.3px;display:block;line-height:1.3}
.stat-label{font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- 最新信息 ---------- */
.news-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start}
.news-lead{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s;
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-lead-media{aspect-ratio:16/9;background:#E7EEF9;overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover}
.news-lead-body{padding:26px 28px 28px}
.news-lead-body h3{font-size:21px;font-weight:700;line-height:1.45;margin-bottom:12px}
.news-lead:hover h3{color:var(--brand)}
.news-lead-body p{color:var(--ink-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.meta-line{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);margin-top:18px}
.meta-line .sep{width:1px;height:12px;background:var(--line)}
.news-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.news-row{display:flex;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);transition:background .2s}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:var(--brand-50)}
.news-row-thumb{width:64px;height:64px;border-radius:10px;overflow:hidden;flex-shrink:0;background:#E7EEF9}
.news-row-thumb img{width:100%;height:100%;object-fit:cover}
.news-row-body h4{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-row:hover h4{color:var(--brand)}
.news-row-body .meta-line{margin-top:8px;font-size:12.5px}
.empty-card{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-card svg{width:36px;height:36px;stroke:var(--ink-3);margin:0 auto 16px}
.empty-card p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ---------- 议程时间线 ---------- */
.timeline{position:relative;padding-left:8px}
.timeline::before{content:"";position:absolute;left:107px;top:8px;bottom:8px;width:2px;background:rgba(31,95,214,.12)}
.tl-item{display:grid;grid-template-columns:88px 1fr;gap:32px;position:relative;padding-bottom:20px}
.tl-item:last-child{padding-bottom:0}
.tl-time{text-align:right;padding-top:20px}
.tl-date{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:2px}
.tl-clock{font-size:19px;font-weight:700;color:var(--brand-900);letter-spacing:-.3px}
.tl-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 26px;box-shadow:var(--sh-1);transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tl-card::before{
  content:"";position:absolute;left:-38px;top:30px;width:12px;height:12px;border-radius:50%;
  background:var(--accent);border:3px solid var(--bg);
}
.tl-item.is-now .tl-card{border-color:rgba(242,106,33,.45)}
.tl-item.is-now .tl-card::before{width:16px;height:16px;left:-40px;top:28px;box-shadow:0 0 0 5px rgba(242,106,33,.18)}
.tl-card h3{font-size:18px;font-weight:600;margin-bottom:6px}
.tl-card p{color:var(--ink-2);font-size:14.5px}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;align-items:center}
.tl-tag{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);border-radius:var(--r-pill);padding:3px 11px}

/* ---------- 嘉宾 ---------- */
.people-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.people-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);text-align:center;transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s;
}
.people-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.people-media{
  width:112px;height:112px;margin:0 auto 18px;border-radius:50%;overflow:hidden;
  border:1px solid var(--line);box-shadow:0 0 0 6px #fff,0 0 0 7px var(--line);
}
.people-media img{width:100%;height:100%;object-fit:cover}
.people-card h3{font-size:17px;font-weight:700}
.people-role{font-size:13px;color:var(--brand);font-weight:600;margin-top:4px}
.people-note{font-size:14px;color:var(--ink-2);margin-top:12px;line-height:1.7}

/* ---------- 票种 ---------- */
.ticket-note{font-size:13px;color:var(--ink-3);margin-top:24px;line-height:1.8}
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;margin-top:8px}
.ticket-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:30px 28px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s;
}
.ticket-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.ticket-card.is-featured{border:1.5px solid var(--accent);transform:translateY(-8px);box-shadow:var(--sh-2)}
.ticket-card.is-featured:hover{transform:translateY(-10px)}
.ticket-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.ticket-name{font-size:17px;font-weight:700}
.ticket-price{font-size:38px;font-weight:700;letter-spacing:-1px;color:var(--brand-900);margin-top:14px;line-height:1.1}
.ticket-price .cur{font-size:19px;font-weight:600;margin-right:2px}
.ticket-price .unit{font-size:14px;color:var(--ink-3);font-weight:500;margin-left:6px;letter-spacing:0}
.ticket-feats{margin:22px 0 26px;display:grid;gap:12px}
.ticket-feats li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.6}
.ticket-feats svg{width:17px;height:17px;flex-shrink:0;margin-top:3px}
.feat-ok svg{stroke:var(--teal)}
.feat-no svg{stroke:var(--ink-3)}
.ticket-card .btn{margin-top:auto}

/* ---------- 报名 CTA ---------- */
.cta-band{background:linear-gradient(180deg,var(--brand-900),var(--brand-700));color:#fff;padding:88px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.09),transparent 70%);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1}
.cta-copy h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.4px}
.cta-copy p{color:rgba(255,255,255,.82);margin-top:16px;font-size:16px}
.cta-list{margin-top:26px;display:grid;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.9)}
.cta-list svg{width:18px;height:18px;stroke:#7FD8CC;flex-shrink:0;margin-top:3px}
.form-card{background:#fff;border-radius:20px;padding:32px;box-shadow:0 24px 48px rgba(6,20,45,.28);color:var(--ink)}
.form-card h3{font-size:20px;font-weight:700}
.form-card .form-sub{font-size:13.5px;color:var(--ink-3);margin-top:6px}
.form-row{margin-top:18px}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.form-row input,.form-row select{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-input);padding:0 14px;
  font-size:15px;background:#fff;outline:none;transition:border-color .2s,box-shadow .2s;
}
.form-row select{
  appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:40px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237C8CA1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.form-row input:focus,.form-row select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row input.err{border-color:var(--danger)}
.form-hint{font-size:13px;color:var(--danger);margin-top:6px;display:none}
.form-hint.show{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:20px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
.check-row input{
  appearance:none;-webkit-appearance:none;width:18px;height:18px;flex-shrink:0;margin-top:3px;
  border:1.5px solid var(--line);border-radius:5px;background:#fff;cursor:pointer;position:relative;transition:.2s;
}
.check-row input:checked{background:var(--brand);border-color:var(--brand)}
.check-row input:checked::after{
  content:"";position:absolute;left:5px;top:1.5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check-row a{color:var(--brand);font-weight:600}
.form-card .btn{margin-top:22px}
.form-alert{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;font-size:13.5px;
  background:rgba(18,165,148,.1);color:#0C7C70;border:1px solid rgba(18,165,148,.3);
}
.form-alert.show{display:block}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:56px;align-items:start}
.faq-side p{color:var(--ink-2);font-size:15px;margin-top:14px}
.faq-side .btn{margin-top:24px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(31,95,214,.35);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;transform:translateY(-50%);
  background:
    linear-gradient(var(--brand),var(--brand)) center/14px 2px no-repeat,
    linear-gradient(var(--brand),var(--brand)) center/2px 14px no-repeat;
  transition:transform .18s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);transition:color .2s}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;display:flex;
  justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 移动端底栏 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  padding:0 16px;align-items:center;gap:12px;backdrop-filter:blur(8px);
}
.mobile-bar .mb-info{font-size:12.5px;color:var(--ink-3);line-height:1.4;flex:1}
.mobile-bar .mb-info strong{display:block;color:var(--ink);font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .nav-top{grid-template-columns:auto 1fr;grid-template-areas:"logo actions" "search search";height:auto;padding:12px 0;gap:12px}
  .logo{grid-area:logo}
  .nav-actions{grid-area:actions;justify-content:flex-end}
  .nav-search{grid-area:search;max-width:none}
  .nav-toggle{display:inline-flex}
  .nav-cats{
    position:fixed;inset:120px 0 0 0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;height:auto;padding:8px 24px 32px;display:none;overflow-y:auto;z-index:75;
  }
  .nav-cats.open{display:flex}
  .nav-cats a{height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line);padding:0}
  .nav-cats a.active::after{display:none}
  .nav-cats a.active{color:var(--brand)}
  .drawer-cta{display:block;margin-top:20px}
  .hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:48px;padding-bottom:56px}
  .hero-media{order:2}
  .hero-sub{font-size:17px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:20px}
  .stat-item:nth-child(2){border-right:0}
  .news-layout{grid-template-columns:1fr}
  .people-grid{grid-template-columns:1fr 1fr}
  .ticket-grid{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto}
  .ticket-card.is-featured{transform:none}
  .ticket-card.is-featured:hover{transform:translateY(-2px)}
  .cta-grid{grid-template-columns:1fr;gap:40px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .timeline::before{left:0}
  .tl-item{grid-template-columns:1fr;gap:0}
  .tl-time{text-align:left;padding:0 0 10px 28px;display:flex;align-items:baseline;gap:10px}
  .tl-date{margin:0}
  .tl-card::before{left:0;top:26px}
  .tl-item.is-now .tl-card::before{left:-2px}
  .tl-card{padding-left:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-points li{flex:1 1 100%;border-right:0;padding:12px 0;border-bottom:1px solid var(--line)}
  .hero-points li:last-child{border-bottom:0}
  .hero-float{position:static;margin-top:14px;box-shadow:var(--sh-1)}
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:16px}
  .stat-item:last-child{border-bottom:0;padding-bottom:0}
  .people-grid{grid-template-columns:1fr}
  .form-grid-2{grid-template-columns:1fr}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
  .btn{width:100%}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .section-head .link-more{width:auto}
}
@media (max-width:519px){
  body{font-size:15.5px}
  .hero-cta .btn,.ticket-card .btn,.form-card .btn{height:46px}
  .news-lead-body{padding:20px}
  .tl-card{padding:18px 18px 18px 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .news-lead:hover,.tl-card:hover,.ticket-card:hover,.people-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#1F5FD6;
  --brand-700:#17479F;
  --brand-900:#123B7A;
  --brand-50:#EEF4FF;
  --accent:#F26A21;
  --accent-50:#FFF1E7;
  --teal:#12A594;
  --warn:#D98E04;
  --danger:#D64545;
  --ink:#0E1B2C;
  --ink-2:#46586E;
  --ink-3:#7C8CA1;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --sh-1:0 1px 2px rgba(14,27,44,.04), 0 8px 24px rgba(23,71,159,.07);
  --sh-2:0 14px 34px rgba(23,71,159,.12);
  --r-card:16px;
  --r-input:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#DE5C16}
.btn-accent:active{transform:translateY(1px)}
.btn-accent:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(242,106,33,.25)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.btn-white{background:#fff;color:var(--brand-900)}
.btn-white:hover{background:#EAF1FF}
.btn[disabled],.btn.is-disabled{background:#EEF1F6;color:var(--ink-3);border-color:transparent;cursor:not-allowed;transform:none}
.btn[disabled]:hover{background:#EEF1F6}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1}
.badge-brand{background:var(--brand-50);color:var(--brand)}
.badge-open{background:rgba(18,165,148,.08);color:var(--teal)}
.badge-warn{background:rgba(217,142,4,.1);color:var(--warn)}
.badge-closed{background:rgba(214,69,69,.08);color:var(--danger)}
.badge-accent{background:var(--accent);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-top{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;
  gap:24px;height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-700));
  display:grid;place-items:center;
}
.logo-mark svg{width:20px;height:20px;stroke:#fff}
.logo-text{letter-spacing:-.2px}

.nav-search{
  display:flex;align-items:center;gap:8px;justify-self:center;
  width:100%;max-width:540px;height:44px;padding:0 6px 0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.nav-search .search-icon{width:20px;height:20px;stroke:var(--ink-3);flex:none}
.nav-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  flex:none;height:32px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:13px;font-weight:600;cursor:pointer;
  transition:background-color .2s var(--ease);
}
.nav-search button:hover{background:var(--brand-700)}

.nav-actions{display:flex;align-items:center;gap:14px}
.link-login{font-size:15px;font-weight:600;color:var(--ink-2);padding:6px 4px;transition:color .2s var(--ease)}
.link-login:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink)}
.nav-toggle:hover{border-color:var(--brand)}

.nav-cats{
  display:flex;align-items:center;gap:28px;height:52px;
  overflow-x:auto;scrollbar-width:none;white-space:nowrap;
}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  position:relative;display:inline-flex;align-items:center;height:52px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:color .2s var(--ease);
}
.nav-cats a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:transparent;transition:background-color .2s var(--ease);
}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a.active{color:var(--brand)}
.nav-cats a.active::after{background:var(--brand)}
.nav-cats .drawer-cta{display:none}

/* ---------- 页面首屏 ---------- */
.page-hero{
  background:linear-gradient(180deg,#EEF4FF 0%,#F6F8FC 100%);
  border-bottom:1px solid var(--line);
  padding:32px 0 44px;
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand);text-decoration:underline}
.crumbs .current{color:var(--ink-2)}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
  max-width:880px;
}
.hero-sub{
  margin-top:16px;max-width:760px;font-size:16px;line-height:1.8;color:var(--ink-2);
}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:28px;
  padding-top:22px;border-top:1px solid rgba(31,95,214,.14);
}
.hero-facts li{display:flex;flex-direction:column;gap:2px;min-width:120px}
.hero-facts strong{font-size:20px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.hero-facts span{font-size:13px;color:var(--ink-3)}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin:36px 0 20px;
}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.result-count{font-size:14px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ---------- 赛事列表 ---------- */
.section{padding:56px 0}
.section-tight{padding:36px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:720px}
.text-link{font-size:15px;font-weight:600;color:var(--brand)}
.text-link:hover{text-decoration:underline}

.event-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.event-row{
  display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:18px;
  padding:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.event-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D5E0F2}
.date-chip{
  width:72px;height:72px;flex:none;border-radius:14px;background:var(--brand-50);color:var(--brand);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.date-chip .d-mon{font-size:13px;font-weight:600}
.date-chip .d-day{font-size:26px;font-weight:700;line-height:1.15}
.event-main{min-width:0}
.event-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.event-main h3{font-size:17px;font-weight:600;line-height:1.45}
.event-main h3 a{transition:color .2s var(--ease)}
.event-row:hover .event-main h3 a{color:var(--brand)}
.event-desc{margin-top:6px;font-size:14px;line-height:1.7;color:var(--ink-2);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.event-meta{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.event-meta span{display:inline-flex;align-items:center;gap:6px}
.event-meta svg{width:14px;height:14px;stroke:var(--ink-3);flex:none}
.event-side{display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;gap:12px}
.price{font-size:19px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.price small{font-size:12px;font-weight:600;color:var(--ink-3);display:block;text-align:right}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:32px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:40px;padding:0 12px;border-radius:10px;
  border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:all .2s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff}
.pager .is-disabled{color:var(--ink-3);cursor:not-allowed}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.rec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.rec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.rec-media{position:relative;aspect-ratio:16/9;background:var(--brand-50);overflow:hidden}
.rec-media img{width:100%;height:100%;object-fit:cover}
.rec-badge{position:absolute;top:12px;left:12px}
.rec-body{padding:20px}
.rec-body h3{font-size:18px;font-weight:600;line-height:1.45}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}
.rec-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;flex-wrap:wrap}

/* ---------- 数字条 ---------- */
.stats-band{background:var(--brand-900);color:#fff;padding:52px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-item{border-left:2px solid rgba(255,255,255,.22);padding-left:18px}
.stat-item strong{display:block;font-size:32px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.stat-item span{display:block;margin-top:6px;font-size:14px;color:rgba(255,255,255,.76);line-height:1.6}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 20px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.flow-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.flow-num{font-size:34px;font-weight:700;line-height:1;color:rgba(31,95,214,.18);font-variant-numeric:tabular-nums}
.flow-card h3{margin-top:12px;font-size:17px;font-weight:600}
.flow-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--ink-2)}

/* ---------- 问答 ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.faq-card h3{font-size:16px;font-weight:600;display:flex;gap:10px;align-items:flex-start}
.faq-card h3 .q{
  flex:none;width:22px;height:22px;border-radius:6px;background:var(--brand-50);color:var(--brand);
  font-size:13px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.faq-card p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- 通栏 CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,var(--brand-900) 0%,var(--brand-700) 100%);
  color:#fff;padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.8);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--ink-2);max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);line-height:1.6}
.footer-col a:hover{color:var(--brand);text-decoration:underline}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;padding:0 16px;align-items:center;gap:12px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(23,71,159,.08);
}
.mobile-cta .btn{flex:1}
.mobile-cta span{font-size:13px;color:var(--ink-3);line-height:1.4}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .event-grid{gap:14px}
}
@media (max-width:1023px){
  .event-grid{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:48px 0}
}
@media (max-width:900px){
  .nav-top{
    grid-template-columns:1fr auto;
    grid-template-areas:"logo actions" "search search";
    height:auto;padding:12px 0;row-gap:12px;
  }
  .logo{grid-area:logo}
  .nav-actions{grid-area:actions}
  .nav-search{grid-area:search;max-width:none;justify-self:stretch}
  .nav-toggle{display:inline-flex}
  .nav-cats{
    display:none;height:auto;padding:6px 0 14px;gap:0;
    flex-direction:column;overflow:visible;white-space:normal;
  }
  .nav-cats.open{display:flex}
  .nav-cats a{height:52px;width:100%;border-bottom:1px solid var(--line);justify-content:space-between}
  .nav-cats a::after{display:none}
  .nav-cats a.active{color:var(--brand)}
  .nav-cats .drawer-cta{display:inline-flex;width:100%;margin-top:14px;border-bottom:0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{padding-bottom:64px}
  .mobile-cta{display:flex}
  .page-hero{padding:24px 0 32px}
  .hero-facts{gap:18px 24px}
  .hero-facts li{min-width:104px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:18px}
  .stat-item strong{font-size:26px}
  .flow-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .event-row{grid-template-columns:60px minmax(0,1fr);padding:16px;gap:14px}
  .date-chip{width:60px;height:60px;border-radius:12px}
  .date-chip .d-day{font-size:22px}
  .event-side{
    grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;
    padding-top:12px;border-top:1px solid var(--line);
  }
  .price small{display:inline;margin-left:6px;text-align:left}
}
@media (max-width:560px){
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .section{padding:40px 0}
  .btn{height:46px;padding:0 18px}
  .btn-sm{height:38px;padding:0 14px}
  .rec-body,.faq-card,.flow-card{padding:18px}
  .pager a,.pager span{min-width:36px;height:36px;padding:0 10px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .event-row:hover,.rec-card:hover,.flow-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand:#1F5FD6; --brand-700:#17479F; --brand-900:#123B7A; --brand-50:#EEF4FF;
  --accent:#F26A21; --accent-50:#FFF1E7;
  --teal:#12A594; --teal-50:#E7F7F5; --warn:#D98E04; --danger:#D64545;
  --ink:#0E1B2C; --ink-2:#46586E; --ink-3:#7C8CA1;
  --bg:#F6F8FC; --surface:#FFFFFF; --line:#E4EAF2;
  --sh-1:0 1px 2px rgba(14,27,44,.04),0 8px 24px rgba(23,71,159,.07);
  --sh-2:0 14px 34px rgba(23,71,159,.12);
  --r-card:16px; --r-input:12px; --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px; line-height:1.75;
}
img{max-width:100%; display:block}
a{color:inherit; text-decoration:none; transition:color .2s var(--ease)}
a:hover{color:var(--brand)}
button,input,select{font:inherit; color:inherit}
button{cursor:pointer; border:0; background:none}
ul,ol{margin:0; padding:0}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:3px solid rgba(31,95,214,.35); outline-offset:2px; border-radius:4px}
.container{width:100%; max-width:1200px; margin:0 auto; padding:0 24px}
.num{font-variant-numeric:tabular-nums; font-feature-settings:"tnum"}

/* ---------- buttons / badges ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:48px; padding:0 22px; border-radius:10px; font-size:15px; font-weight:600;
  transition:transform .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease);
  white-space:nowrap;
}
.btn-accent{background:var(--accent); color:#fff; box-shadow:0 8px 18px rgba(242,106,33,.22)}
.btn-accent:hover{background:#dd5c17; color:#fff; transform:translateY(-1px)}
.btn-accent:active{transform:translateY(1px)}
.btn-accent:focus-visible{outline:3px solid rgba(242,106,33,.28); outline-offset:2px}
.btn-outline{border:1px solid var(--brand); color:var(--brand); background:transparent}
.btn-outline:hover{background:var(--brand-50); color:var(--brand-700)}
.btn-ghost{border:1px solid var(--line); background:#fff; color:var(--ink-2)}
.btn-ghost:hover{border-color:var(--brand); color:var(--brand)}
.btn-sm{height:38px; padding:0 16px; font-size:14px; border-radius:9px}
.btn-block{width:100%}
.badge{
  display:inline-flex; align-items:center; gap:6px; height:26px; padding:0 10px;
  border-radius:var(--r-pill); font-size:13px; font-weight:600; line-height:1;
}
.badge-brand{background:var(--brand-50); color:var(--brand)}
.badge-teal{background:rgba(18,165,148,.1); color:var(--teal)}
.badge-warn{background:rgba(217,142,4,.1); color:var(--warn)}
.badge-accent{background:var(--accent); color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:60; background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line); transition:box-shadow .25s var(--ease), background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1); background:rgba(255,255,255,.95); backdrop-filter:blur(6px)}
.nav-top{display:flex; align-items:center; gap:24px; height:72px}
.logo{display:inline-flex; align-items:center; gap:10px; flex:0 0 auto}
.logo-mark{
  width:38px; height:38px; border-radius:11px; display:grid; place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-700)); color:#fff;
  box-shadow:0 6px 14px rgba(23,71,159,.22);
}
.logo-mark svg{width:22px; height:22px; stroke:currentColor; fill:none}
.logo-text{font-size:18px; font-weight:700; letter-spacing:-.2px; color:var(--ink)}
.logo:hover .logo-text{color:var(--brand)}
.nav-search{
  position:relative; flex:1 1 auto; max-width:560px; margin:0 auto;
  display:flex; align-items:center; height:44px; background:#fff;
  border:1px solid var(--line); border-radius:var(--r-pill); padding:0 4px 0 40px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand); box-shadow:0 0 0 3px rgba(31,95,214,.16)}
.nav-search .search-icon{position:absolute; left:14px; width:18px; height:18px; stroke:var(--ink-3); fill:none}
.nav-search input{
  flex:1 1 auto; height:42px; border:0; background:transparent; font-size:14px; outline:none; min-width:0;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  flex:0 0 auto; height:34px; padding:0 18px; border-radius:var(--r-pill);
  background:var(--brand); color:#fff; font-size:14px; font-weight:600; transition:background .2s var(--ease);
}
.nav-search button:hover{background:var(--brand-700)}
.nav-actions{display:flex; align-items:center; gap:14px; flex:0 0 auto}
.link-login{font-size:15px; font-weight:600; color:var(--ink-2)}
.link-login:hover{color:var(--brand)}
.nav-toggle{display:none; width:44px; height:44px; border-radius:10px; border:1px solid var(--line); align-items:center; justify-content:center}
.nav-toggle svg{width:22px; height:22px; stroke:var(--ink); fill:none}
.nav-cats{display:flex; align-items:center; gap:28px; height:52px; overflow-x:auto; scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  position:relative; font-size:15px; color:var(--ink-2); font-weight:500; white-space:nowrap;
  display:inline-flex; align-items:center; height:52px;
}
.nav-cats a::after{
  content:""; position:absolute; left:0; right:0; bottom:8px; height:2px; border-radius:2px;
  background:var(--brand); transform:scaleX(0); transform-origin:left; transition:transform .22s var(--ease);
}
.nav-cats a:hover{color:var(--brand)}
.nav-cats a:hover::after{transform:scaleX(1)}
.nav-cats a.active{color:var(--brand); font-weight:600}
.nav-cats a.active::after{transform:scaleX(1)}
.nav-cats .drawer-cta{display:none}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff; border-bottom:1px solid var(--line)}
.breadcrumb{display:flex; flex-wrap:wrap; align-items:center; gap:8px; padding:16px 0; font-size:14px; color:var(--ink-3)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand); text-decoration:underline}
.breadcrumb .sep{color:#C6D2E0}
.breadcrumb .current{color:var(--ink-2); max-width:520px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap}

/* ---------- article head ---------- */
.article-head{background:#fff; padding:36px 0 40px; border-bottom:1px solid var(--line)}
.article-head-inner{display:flex; align-items:flex-start; justify-content:space-between; gap:32px}
.article-title-wrap{max-width:840px}
.article-title{font-size:clamp(28px,3.6vw,44px); line-height:1.22; font-weight:700; letter-spacing:-.5px; margin:14px 0 16px}
.article-meta{display:flex; flex-wrap:wrap; align-items:center; gap:10px 20px; font-size:14px; color:var(--ink-3)}
.article-meta .dot{width:4px; height:4px; border-radius:50%; background:#CBD6E2}
.share-tools{display:flex; gap:10px; flex:0 0 auto}
.icon-btn{
  width:40px; height:40px; border-radius:11px; border:1px solid var(--line); background:#fff;
  display:grid; place-items:center; transition:all .2s var(--ease);
}
.icon-btn svg{width:19px; height:19px; stroke:var(--ink-2); fill:none; stroke-width:1.75; stroke-linecap:round; stroke-linejoin:round}
.icon-btn:hover{border-color:var(--brand); background:var(--brand-50)}
.icon-btn:hover svg{stroke:var(--brand)}

/* ---------- layout ---------- */
.article-shell{padding:48px 0 8px}
.article-layout{display:grid; grid-template-columns:minmax(0,1fr) 340px; gap:40px; align-items:start}
.article-cover{border-radius:var(--r-card); overflow:hidden; box-shadow:var(--sh-1); margin-bottom:32px; background:#EAF0F8}
.article-cover img{width:100%; aspect-ratio:16/9; object-fit:cover}
.article-body{background:#fff; border:1px solid var(--line); border-radius:var(--r-card); box-shadow:var(--sh-1); padding:40px 44px}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative; font-size:clamp(20px,2.2vw,26px); line-height:1.35; font-weight:700;
  margin:40px 0 16px; padding-left:16px;
}
.article-body h2::before{
  content:""; position:absolute; left:0; top:6px; bottom:6px; width:4px; border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-700));
}
.article-body h3{font-size:19px; font-weight:600; margin:28px 0 12px}
.article-body p{margin:0 0 1.2em; color:#22334A}
.article-body a{color:var(--brand); text-decoration:underline; text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 1.3em; padding-left:22px; color:#22334A}
.article-body li{margin:8px 0}
.article-body ul li::marker{color:var(--brand)}
.article-body ol li::marker{color:var(--brand); font-weight:700}
.article-body blockquote{
  margin:24px 0; padding:16px 20px; background:var(--brand-50); border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0; color:var(--ink-2); font-size:15px; line-height:1.8;
}
.article-body img{border-radius:12px; margin:22px auto; box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center; font-size:13px; color:var(--ink-3); margin-top:10px}
.article-body table{width:100%; border-collapse:collapse; margin:22px 0; font-size:14px; display:block; overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line); padding:11px 14px; text-align:left}
.article-body thead th{background:var(--brand-50); color:var(--brand-700); font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body code{background:#F1F5FA; padding:2px 6px; border-radius:6px; font-size:14px}
.article-body hr{border:0; border-top:1px solid var(--line); margin:32px 0}

/* inline cta inside article flow */
.inline-cta{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  background:linear-gradient(120deg,var(--brand-50),#fff); border:1px solid #D5E2FB;
  border-radius:var(--r-card); padding:20px 24px; margin:32px 0;
}
.inline-cta h3{font-size:17px; font-weight:700; margin:0 0 6px}
.inline-cta p{font-size:14px; color:var(--ink-2); margin:0}

/* not found state */
.empty-state{
  background:#fff; border:1px dashed #CBD8E8; border-radius:var(--r-card);
  padding:56px 24px; text-align:center; box-shadow:var(--sh-1);
}
.empty-state .ico{width:56px; height:56px; margin:0 auto 16px; border-radius:16px; background:var(--brand-50); display:grid; place-items:center}
.empty-state .ico svg{width:26px; height:26px; stroke:var(--brand); fill:none; stroke-width:1.75; stroke-linecap:round; stroke-linejoin:round}
.empty-state h2{font-size:20px; margin-bottom:8px}
.empty-state p{color:var(--ink-2); font-size:15px; margin-bottom:20px}

/* ---------- sidebar ---------- */
.side{display:flex; flex-direction:column; gap:20px; position:sticky; top:96px}
.side-card{background:#fff; border:1px solid var(--line); border-radius:var(--r-card); box-shadow:var(--sh-1); padding:20px}
.side-card h3{font-size:15px; font-weight:700; margin-bottom:14px; display:flex; align-items:center; gap:8px}
.side-card h3 .mark{width:4px; height:14px; border-radius:3px; background:var(--accent)}
.toc-list{display:flex; flex-direction:column; gap:2px}
.toc-list a{
  display:block; font-size:14px; color:var(--ink-2); padding:7px 10px; border-radius:8px; line-height:1.5;
  border-left:2px solid transparent; transition:all .18s var(--ease);
}
.toc-list a:hover{background:var(--brand-50); color:var(--brand)}
.toc-list a.active{color:var(--brand); font-weight:600; background:var(--brand-50); border-left-color:var(--brand)}
.rec-list{display:flex; flex-direction:column}
.rec-item{padding:12px 0; border-bottom:1px solid var(--line)}
.rec-item:last-child{border-bottom:0; padding-bottom:0}
.rec-item:first-child{padding-top:0}
.rec-item a{font-size:14px; font-weight:600; line-height:1.5; display:block; margin-bottom:6px}
.rec-item span{font-size:13px; color:var(--ink-3)}
.ticket-card{background:linear-gradient(160deg,var(--brand-900),var(--brand-700)); color:#fff; border:0}
.ticket-card h3{color:#fff}
.ticket-card h3 .mark{background:var(--accent)}
.ticket-row{display:flex; align-items:baseline; justify-content:space-between; gap:10px; padding:10px 0; border-bottom:1px solid rgba(255,255,255,.16); font-size:14px}
.ticket-row:last-of-type{border-bottom:0}
.ticket-row b{font-size:20px; font-weight:700; letter-spacing:-.5px}
.ticket-note{font-size:12.5px; color:rgba(255,255,255,.72); line-height:1.6; margin:12px 0 16px}
.ticket-card .btn-accent{box-shadow:0 10px 22px rgba(242,106,33,.32)}

/* ---------- article foot ---------- */
.article-foot{margin-top:32px; display:flex; flex-direction:column; gap:24px}
.tag-row{display:flex; flex-wrap:wrap; align-items:center; gap:10px}
.tag-row .label{font-size:14px; color:var(--ink-3)}
.chip{
  display:inline-flex; align-items:center; height:32px; padding:0 14px; border-radius:var(--r-pill);
  border:1px solid var(--line); background:#fff; font-size:13px; color:var(--ink-2); transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand); color:var(--brand); background:var(--brand-50)}
.chip.is-active{background:var(--brand); border-color:var(--brand); color:#fff}
.prevnext{display:grid; grid-template-columns:1fr 1fr; gap:18px}
.pn-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-card); padding:18px 20px;
  box-shadow:var(--sh-1); transition:all .2s var(--ease);
}
.pn-card:hover{box-shadow:var(--sh-2); transform:translateY(-2px); border-color:#CFDDF3}
.pn-card span{font-size:13px; color:var(--ink-3); display:block; margin-bottom:6px}
.pn-card strong{font-size:15px; font-weight:600; line-height:1.5; display:block}
.pn-card.right{text-align:right}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section-head{margin-bottom:32px; max-width:760px}
.section-head .kicker{
  display:inline-flex; align-items:center; gap:8px; font-size:13px; font-weight:700; letter-spacing:.06em;
  color:var(--brand); text-transform:uppercase; margin-bottom:10px;
}
.section-head .kicker::before{content:""; width:22px; height:3px; border-radius:3px; background:var(--accent)}
.section-head h2{font-size:clamp(23px,2.6vw,32px); line-height:1.28; font-weight:700; letter-spacing:-.3px}
.section-head p{color:var(--ink-2); font-size:15.5px; margin-top:10px}
.grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px}
.rec-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-card); overflow:hidden;
  box-shadow:var(--sh-1); display:flex; flex-direction:column;
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.rec-card:hover{transform:translateY(-2px); box-shadow:var(--sh-2); border-color:#CFDDF3}
.rec-card .thumb{aspect-ratio:16/9; overflow:hidden; background:#EAF0F8}
.rec-card .thumb img{width:100%; height:100%; object-fit:cover; transition:transform .45s var(--ease)}
.rec-card:hover .thumb img{transform:scale(1.04)}
.rec-card .body{padding:18px 20px 20px; display:flex; flex-direction:column; gap:10px; flex:1}
.rec-card h3{font-size:17px; font-weight:600; line-height:1.5}
.rec-card p{font-size:14px; color:var(--ink-2); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden}
.rec-card .meta{margin-top:auto; font-size:13px; color:var(--ink-3); display:flex; gap:14px}

/* ---------- faq ---------- */
.faq{display:flex; flex-direction:column; gap:12px; max-width:900px}
.faq-item{background:#fff; border:1px solid var(--line); border-radius:var(--r-card); box-shadow:var(--sh-1); overflow:hidden}
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 22px; font-size:16px; font-weight:600; text-align:left;
}
.faq-q:hover{color:var(--brand)}
.faq-q .sign{
  flex:0 0 auto; width:26px; height:26px; border-radius:8px; background:var(--brand-50); color:var(--brand);
  display:grid; place-items:center; font-size:16px; font-weight:700; transition:transform .2s var(--ease), background .2s var(--ease);
}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q .sign{background:var(--brand); color:#fff; transform:rotate(45deg)}
.faq-a{max-height:0; overflow:hidden; transition:max-height .22s var(--ease)}
.faq-a p{padding:0 22px 20px; font-size:15px; line-height:1.8; color:var(--ink-2)}

/* ---------- signup ---------- */
.signup{background:linear-gradient(180deg,var(--brand-900),var(--brand-700)); color:#fff; padding:72px 0; margin-top:24px}
.signup-grid{display:grid; grid-template-columns:minmax(0,1fr) 460px; gap:48px; align-items:start}
.signup h2{font-size:clamp(24px,2.8vw,34px); line-height:1.28; font-weight:700; letter-spacing:-.4px}
.signup .lede{color:rgba(255,255,255,.82); margin:14px 0 24px; font-size:15.5px; line-height:1.85; max-width:520px}
.signup-points{display:flex; flex-direction:column; gap:12px}
.signup-points li{display:flex; gap:10px; align-items:flex-start; font-size:14.5px; color:rgba(255,255,255,.9)}
.signup-points svg{width:20px; height:20px; flex:0 0 auto; stroke:#7FD6C9; fill:none; stroke-width:1.9; stroke-linecap:round; stroke-linejoin:round; margin-top:2px}
.form-card{background:#fff; color:var(--ink); border-radius:var(--r-card); padding:26px; box-shadow:0 24px 48px rgba(6,20,44,.28)}
.form-card h3{font-size:18px; font-weight:700; margin-bottom:4px}
.form-card .sub{font-size:13.5px; color:var(--ink-3); margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block; font-size:13px; font-weight:600; color:var(--ink-2); margin-bottom:6px}
.field input,.field select{
  width:100%; height:48px; border:1px solid var(--line); border-radius:var(--r-input);
  padding:0 14px; background:#fff; font-size:15px; outline:none;
  transition:border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field input:focus,.field select:focus{border-color:var(--brand); box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.field select{
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C8CA1' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 12px center; background-size:18px;
  padding-right:40px;
}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.check{display:flex; gap:10px; align-items:flex-start; font-size:13px; color:var(--ink-2); margin:6px 0 16px; line-height:1.6}
.check input{width:18px; height:18px; accent-color:var(--brand); margin-top:2px; flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{background:#fff; border-top:1px solid var(--line); padding:56px 0 24px; margin-top:0}
.footer-grid{display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px; color:var(--ink-2); line-height:1.8; max-width:320px}
.footer-col h4{font-size:15px; font-weight:700; margin-bottom:14px}
.footer-col ul{display:flex; flex-direction:column; gap:10px}
.footer-col a,.footer-col span{font-size:14px; color:var(--ink-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:40px; padding-top:20px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:10px 24px; justify-content:space-between;
  font-size:13px; color:var(--ink-3);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px; gap:28px}
  .article-body{padding:32px 32px}
  .signup-grid{grid-template-columns:minmax(0,1fr) 400px; gap:32px}
}
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-top{flex-wrap:wrap; height:auto; padding:12px 0; row-gap:12px}
  .nav-search{order:3; flex:1 1 100%; max-width:none; margin:0}
  .nav-toggle{display:inline-flex}
  .nav-cats{
    display:none; flex-direction:column; align-items:stretch; gap:0; height:auto;
    padding:8px 0 16px; overflow:visible;
  }
  .site-header.nav-open .nav-cats{display:flex}
  .nav-cats a{height:52px; font-size:16px; border-bottom:1px solid var(--line)}
  .nav-cats a::after{display:none}
  .nav-cats a.active{color:var(--brand)}
  .nav-cats .drawer-cta{display:inline-flex; margin-top:14px; border-bottom:0; height:48px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side{position:static; order:2}
  .article-head-inner{flex-direction:column; gap:18px}
  .article-body{padding:28px 24px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .signup-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr; gap:32px}
  .section{padding:56px 0}
}
@media (max-width:767px){
  .article-head{padding:24px 0 28px}
  .article-title{margin:12px 0 14px}
  .article-shell{padding:28px 0 4px}
  .article-body{padding:22px 18px; border-radius:14px}
  .article-body h2{margin:30px 0 14px; padding-left:13px}
  .inline-cta{flex-direction:column; align-items:flex-start; padding:18px}
  .inline-cta .btn{width:100%}
  .prevnext{grid-template-columns:1fr}
  .pn-card.right{text-align:left}
  .grid-3{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .signup{padding:52px 0}
  .footer-grid{grid-template-columns:1fr; gap:28px}
  .footer-bottom{flex-direction:column; gap:8px}
}
@media (max-width:559px){
  .container{padding:0 16px}
  .logo-text{font-size:16px}
  .article-meta{font-size:13px; gap:8px 14px}
  .btn{width:100%}
  .btn-sm,.nav-search button,.icon-btn{width:auto}
  .nav-search button{padding:0 14px}
  .section-head h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important}
  .rec-card:hover,.pn-card:hover,.btn-accent:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#1F5FD6;
  --brand-700:#17479F;
  --brand-900:#123B7A;
  --brand-50:#EEF4FF;
  --accent:#F26A21;
  --accent-50:#FFF1E7;
  --teal:#12A594;
  --warn:#D98E04;
  --danger:#D64545;
  --ink:#0E1B2C;
  --ink-2:#46586E;
  --ink-3:#7C8CA1;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --sh-1:0 1px 2px rgba(14,27,44,.04), 0 8px 24px rgba(23,71,159,.07);
  --sh-2:0 14px 34px rgba(23,71,159,.12);
  --r-card:16px;
  --r-input:12px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px}
p{margin:0}
.num{font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
::selection{background:rgba(31,95,214,.16)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),filter .2s var(--ease);
}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{filter:brightness(.92)}
.btn-accent:active{transform:translateY(1px)}
.btn-accent:focus-visible{outline:3px solid rgba(242,106,33,.25);outline-offset:2px}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-ghost:focus-visible{outline:3px solid rgba(31,95,214,.2);outline-offset:2px}
.btn-white{background:#fff;color:var(--brand-700)}
.btn-white:hover{background:#EEF4FF}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;transition:border-color .18s var(--ease),color .18s var(--ease)
}
.btn-link:hover{border-color:var(--brand)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;filter: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:600;background:var(--brand-50);color:var(--brand);
  white-space:nowrap;
}
.badge-teal{background:rgba(18,165,148,.1);color:var(--teal)}
.badge-warn{background:rgba(217,142,4,.13);color:#A2650A}
.badge-danger{background:rgba(214,69,69,.1);color:var(--danger)}
.badge-accent{background:var(--accent);color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-top{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);white-space:nowrap;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand),var(--brand-700));
  display:grid;place-items:center;
}
.logo-mark svg{width:20px;height:20px;stroke:#fff}
.logo-text{font-size:17px;letter-spacing:-.3px}
.nav-search{
  flex:1 1 auto;max-width:560px;display:flex;align-items:center;gap:8px;
  height:44px;padding:0 6px 0 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.nav-search .search-icon{width:20px;height:20px;stroke:var(--ink-3);flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:13.5px;font-weight:600;cursor:pointer;
  transition:background .2s var(--ease);
}
.nav-search button:hover{background:var(--brand-700)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto}
.link-login{font-size:14.5px;font-weight:600;color:var(--ink-2);padding:6px 4px;transition:color .18s var(--ease)}
.link-login:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink)}
.nav-cats{
  display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;
  scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats > a{
  position:relative;padding:8px 12px;font-size:14.5px;color:var(--ink-2);
  border-radius:8px;white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-cats > a:hover{color:var(--brand);background:var(--brand-50)}
.nav-cats > a.active{color:var(--brand);font-weight:600}
.nav-cats > a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-14px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-cats .drawer-cta{display:none}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EDF3FF 0%,#F6F8FC 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(31,95,214,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.35;pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;padding:52px 0 64px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand);text-decoration:underline}
.crumb .sep{color:var(--ink-3)}
.crumb .now{color:var(--ink-2)}
.hero-tag{margin-bottom:16px}
h1.hero-title{
  font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:580px}
.hero-sub strong{color:var(--brand-700)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-facts{
  display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-facts div{position:relative;padding-left:26px}
.hero-facts div:first-child{padding-left:0}
.hero-facts div + div::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:28px;background:var(--line);
}
.hero-facts strong{display:block;font-size:15px;font-weight:600}
.hero-facts span{font-size:13px;color:var(--ink-3)}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-2);
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;
}
.hero-badge span{display:block;font-size:12.5px;color:var(--ink-3)}
.hero-badge strong{display:block;font-size:14.5px;font-weight:600;margin-top:2px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;font-size:13.5px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-white{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:740px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.4px;margin-bottom:12px;
}

/* ---------- 步骤布局 ---------- */
.steps-layout{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:36px;align-items:start}
.steps-list{display:grid;gap:18px}
.step-card{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px 28px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.step-num{
  font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;
  font-size:40px;line-height:1;font-weight:700;color:rgba(31,95,214,.16);
}
.step-body h3{font-size:20px;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--ink-2)}
.shot{
  margin-top:18px;aspect-ratio:16/10;background:#F1F4F9;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.shot img{width:100%;height:100%;object-fit:cover}
.steps-aside{position:sticky;top:150px;display:grid;gap:18px}
.note-card{
  background:var(--accent-50);border-left:3px solid var(--accent);
  border-radius:12px;padding:22px;
}
.note-card h3{font-size:17px;margin-bottom:14px}
.note-card ul{display:grid;gap:12px}
.note-card li{position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.note-card li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:50%;background:var(--accent);
}
.help-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
}
.help-card h3{font-size:17px;margin-bottom:10px}
.help-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px}
.help-list{display:grid;gap:10px;margin-bottom:18px}
.help-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}
.help-list svg{width:18px;height:18px;stroke:var(--brand);flex:0 0 auto}

/* ---------- 登录方式对比 ---------- */
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.mode-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;display:flex;flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.mode-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.mode-card .mode-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.mode-card img{width:56px;height:56px;border-radius:14px;object-fit:cover;border:1px solid var(--line)}
.mode-card h3{font-size:19px}
.mode-card p{font-size:15px;color:var(--ink-2);margin-bottom:16px}
.mode-list{display:grid;gap:10px;margin-bottom:22px}
.mode-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.7}
.mode-list svg{width:18px;height:18px;stroke:var(--teal);flex:0 0 auto;margin-top:4px}
.mode-card .btn{margin-top:auto;align-self:flex-start}

/* ---------- 问答卡 ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.qa-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;gap:12px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.qa-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.qa-card h3{font-size:17px;line-height:1.5}
.qa-card p{font-size:14.5px;color:var(--ink-2)}
.qa-card .qa-foot{margin-top:auto;padding-top:6px}

/* ---------- 安全自助 ---------- */
.safe-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px}
.safe-item{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
}
.safe-icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:var(--brand-50);
  display:grid;place-items:center;
}
.safe-icon svg{width:22px;height:22px;stroke:var(--brand)}
.safe-item h3{font-size:17px;margin-bottom:6px}
.safe-item p{font-size:14.5px;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:20px;padding:46px;
  background:linear-gradient(160deg,var(--brand-900),var(--brand-700));
  color:#fff;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:14px;color:#fff}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.86);margin-bottom:18px}
.cta-points{display:grid;gap:10px;margin-bottom:22px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.9)}
.cta-points svg{width:18px;height:18px;stroke:#8FC0FF;flex:0 0 auto;margin-top:4px}
.form-card{
  background:#fff;color:var(--ink);border-radius:16px;padding:26px;
  box-shadow:0 18px 40px rgba(9,25,55,.24);
}
.form-card h3{font-size:18px;margin-bottom:6px}
.form-card .form-tip{font-size:13px;color:var(--ink-3);margin-bottom:20px}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:13px;color:var(--ink-2)}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-input);outline:0;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus,.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.field select{
  appearance:none;padding-right:42px;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237C8CA1' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.12)}
.field .err{font-size:13px;color:var(--danger)}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);margin-bottom:18px}
.checkbox input{
  appearance:none;width:18px;height:18px;flex:0 0 auto;margin-top:3px;
  border:1px solid var(--line);border-radius:5px;background:#fff;position:relative;cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.checkbox input:checked{background:var(--brand);border-color:var(--brand)}
.checkbox input:checked::after{
  content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg);
}
.checkbox input:focus-visible{outline:3px solid rgba(31,95,214,.2);outline-offset:2px}

/* ---------- 分页 ---------- */
.pager{
  display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  padding:56px 0 8px;
}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .is-disabled{opacity:.5;cursor:not-allowed}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{font-size:14px;color:var(--ink-2);margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;padding:0 16px;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -10px 26px rgba(14,27,44,.08);
}
.mobile-cta span{font-size:13px;color:var(--ink-2)}
.mobile-cta .btn{height:44px;padding:0 20px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-inner{gap:36px}
  .cta-band{padding:38px}
}
@media (max-width:1023px){
  .site-header{backdrop-filter:none;background:#fff}
  .nav-top{flex-wrap:wrap;height:auto;padding-top:14px;padding-bottom:14px;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .nav-toggle{display:inline-flex}
  .nav-cats{
    position:fixed;top:0;right:0;width:min(320px,84vw);height:100vh;height:100dvh;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:88px 20px 28px;transform:translateX(105%);
    transition:transform .28s var(--ease);
    box-shadow:-18px 0 44px rgba(14,27,44,.18);
    z-index:80;overflow-y:auto;
  }
  .nav-cats.is-open{transform:translateX(0)}
  .nav-cats > a{display:flex;align-items:center;min-height:52px;padding:12px;font-size:16px;border-radius:10px}
  .nav-cats > a.active{background:var(--brand-50)}
  .nav-cats > a.active::after{display:none}
  .nav-cats .drawer-cta{display:inline-flex;margin-top:14px;justify-content:center}
  .steps-layout{grid-template-columns:1fr}
  .steps-aside{position:static}
  .qa-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-inner{grid-template-columns:1fr;padding:36px 0 48px;gap:32px}
  .hero-media img{aspect-ratio:16/10;border-radius:16px}
  .hero-badge{position:static;margin-top:14px;grid-template-columns:1fr 1fr;box-shadow:none}
  .hero-facts{gap:16px}
  .hero-facts div{padding-left:0;flex:1 1 46%}
  .hero-facts div + div::before{display:none}
  .mode-grid,.safe-grid,.qa-grid{grid-template-columns:1fr}
  .step-card{grid-template-columns:1fr;padding:22px}
  .step-num{font-size:32px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .form-card{padding:20px}
  .mobile-cta{display:flex}
  body{padding-bottom:64px}
  .pager{padding:40px 0 8px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:559px){
  .logo-text{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .hero-badge{grid-template-columns:1fr}
  .hero-facts div{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .step-card:hover,.mode-card:hover,.qa-card:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#1F5FD6; --brand-700:#17479F; --brand-900:#123B7A; --brand-50:#EEF4FF;
  --accent:#F26A21; --accent-50:#FFF1E7;
  --teal:#12A594; --warn:#D98E04; --danger:#D64545;
  --ink:#0E1B2C; --ink-2:#46586E; --ink-3:#7C8CA1;
  --bg:#F6F8FC; --surface:#FFFFFF; --line:#E4EAF2;
  --sh-1:0 1px 2px rgba(14,27,44,.04), 0 8px 24px rgba(23,71,159,.07);
  --sh-2:0 14px 34px rgba(23,71,159,.12);
  --r-card:16px; --r-input:12px; --r-pill:999px;
  --container:1200px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","SF Pro Display",-apple-system,"Segoe UI",Roboto,"PingFang SC",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.75;
  color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border:1px solid transparent;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .15s var(--ease),border-color .2s var(--ease);
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(242,106,33,.22);}
.btn-accent:hover{background:#DE5D18;color:#fff;}
.btn-accent:active{transform:translateY(1px);}
.btn-accent:focus-visible{outline:3px solid rgba(242,106,33,.28);outline-offset:2px;}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(31,95,214,.4);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-700);border-color:var(--brand);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{background:#E7ECF4;color:#98A6B8;border-color:#E7ECF4;box-shadow:none;cursor:not-allowed;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:saturate(160%) blur(6px);backdrop-filter:saturate(160%) blur(6px);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-top{display:flex;align-items:center;gap:20px;min-height:72px;padding-top:8px;padding-bottom:8px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;flex:0 0 auto;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-700));
  display:grid;place-items:center;color:#fff;box-shadow:0 6px 14px rgba(23,71,159,.25);
}
.logo-mark svg{width:22px;height:22px;stroke:currentColor;fill:none;}
.logo-text{font-size:16px;letter-spacing:-.2px;white-space:nowrap;}

.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:560px;margin:0 auto;
  height:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 4px 0 42px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.15);}
.nav-search .search-icon{position:absolute;left:14px;width:20px;height:20px;stroke:var(--ink-3);fill:none;pointer-events:none;}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search button{
  flex:0 0 auto;height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s var(--ease);
}
.nav-search button:hover{background:var(--brand-700);}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.link-login{font-size:15px;font-weight:600;color:var(--ink-2);padding:8px 4px;}
.link-login:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink);fill:none;}

.nav-cats{
  display:flex;align-items:center;gap:28px;height:52px;
  overflow-x:auto;overflow-y:hidden;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-cats a{
  position:relative;flex:0 0 auto;font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
  transition:color .2s var(--ease);
}
.nav-cats a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-cats a:hover{color:var(--brand);}
.nav-cats a.active{color:var(--brand);font-weight:600;}
.nav-cats a.active::after{transform:scaleX(1);}
.nav-cats .drawer-cta{display:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;}
.breadcrumb .sep{color:#C6D0DE;}
.breadcrumb .current{color:var(--ink-2);}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;padding:28px 0 48px;
  background:linear-gradient(180deg,#EEF4FF 0%,#F6F8FC 72%,#F6F8FC 100%);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(31,95,214,.16) 1px, transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.cat-hero .container{position:relative;z-index:1;}
.hero-head{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:center;margin-top:22px;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:16px;
}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);}
.cat-hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;color:var(--ink);
}
.cat-hero h1 span{color:var(--brand);}
.hero-lead{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--ink-2);max-width:680px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:0;margin-top:26px;border-top:1px solid rgba(31,95,214,.16);
  padding-top:18px;
}
.hero-points li{
  display:flex;flex-direction:column;gap:2px;padding:0 26px;border-left:2px solid rgba(31,95,214,.2);
}
.hero-points li:first-child{padding-left:0;border-left:0;}
.hero-points strong{font-family:var(--font-num);font-size:19px;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;}
.hero-points span{font-size:13px;color:var(--ink-3);}
.hero-figure{
  border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);background:#fff;
  border:1px solid var(--line);
}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;
  transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(31,95,214,.2);}

/* ---------- 板块 ---------- */
.section{padding:72px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.4px;}
.section-sub{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.8;}

/* ---------- 交错图文 ---------- */
.stage-list{display:flex;flex-direction:column;gap:56px;}
.stage-row{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.stage-row.flip .stage-media{order:-1;}
.stage-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);background:#fff;
}
.stage-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease);}
.stage-row:hover .stage-media img{transform:scale(1.02);}
.stage-body .stage-index{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-num);
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px;margin-bottom:10px;
}
.stage-body h3{font-size:22px;font-weight:700;letter-spacing:-.3px;color:var(--ink);}
.stage-body p{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--ink-2);}
.stage-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
}
.badge-brand{background:var(--brand-50);color:var(--brand);}
.badge-open{background:rgba(18,165,148,.1);color:var(--teal);}
.badge-warn{background:rgba(217,142,4,.12);color:var(--warn);}
.badge-accent{background:var(--accent);color:#fff;}

.mini-table{
  width:100%;margin-top:20px;border-collapse:collapse;font-size:13px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);overflow:hidden;
}
.mini-table tr{border-bottom:1px solid var(--line);}
.mini-table tr:last-child{border-bottom:0;}
.mini-table th,.mini-table td{height:34px;padding:0 14px;text-align:left;vertical-align:middle;}
.mini-table th{width:88px;color:var(--ink-3);font-weight:400;background:#FAFBFE;white-space:nowrap;}
.mini-table td{color:var(--ink-2);}

/* ---------- 深色数据带 ---------- */
.metrics-band{
  margin-top:8px;border-radius:20px;padding:40px 40px;
  background:linear-gradient(135deg,var(--brand-900),var(--brand-700));
  color:#fff;box-shadow:var(--sh-2);
}
.metrics-band h2{font-size:22px;font-weight:700;letter-spacing:-.3px;}
.metrics-band .band-desc{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78);max-width:720px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px;}
.metric{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:20px 18px;
}
.metric b{display:block;font-family:var(--font-num);font-size:32px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;}
.metric b small{font-size:15px;font-weight:600;margin-left:3px;}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.76);}

/* ---------- 配套服务卡 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.service-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.service-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6E2F6;}
.service-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-50);color:var(--brand);
  display:grid;place-items:center;margin-bottom:16px;
}
.service-icon svg{width:23px;height:23px;stroke:currentColor;fill:none;}
.service-card h3{font-size:17px;font-weight:600;}
.service-card p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--ink-2);}
.service-card .note{
  display:block;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:360px minmax(0,1fr);gap:48px;align-items:start;}
.faq-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);
}
.faq-aside h2{font-size:22px;font-weight:700;letter-spacing:-.3px;}
.faq-aside p{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.faq-aside .btn{margin-top:20px;}
.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 .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.open{border-color:#CFDFF7;box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;cursor:pointer;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);font-family:var(--font-num);font-size:16px;font-weight:600;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.faq-item.open .faq-sign{background:var(--brand);border-color:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s var(--ease);
}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:20px;background:linear-gradient(140deg,#EEF4FF,#FFFFFF 60%);
  border:1px solid #DCE7FA;box-shadow:var(--sh-1);
  padding:44px 40px;display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:44px;align-items:start;
}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.4px;}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.cta-list svg{flex:0 0 auto;width:18px;height:18px;margin-top:5px;stroke:var(--teal);fill:none;}
.cta-help{margin-top:24px;font-size:13.5px;color:var(--ink-3);}
.cta-help a{font-weight:600;}

.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.form-card .form-tip{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;font-size:15px;color:var(--ink);font-family:inherit;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:var(--ink-3);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18);
}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2346586E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  padding-right:40px;
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:16px 0 18px;font-size:13px;color:var(--ink-2);line-height:1.7;}
.check-row input{
  width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:0 0 auto;
}
.check-row a{text-decoration:underline;}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 0 0;}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;
  border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-family:var(--font-num);font-variant-numeric:tabular-nums;
  transition:all .2s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand);}
.pager .current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}
.pager .disabled{color:#B7C3D2;background:#F4F7FB;cursor:not-allowed;}
.pager .pager-note{
  border:0;background:transparent;color:var(--ink-3);font-size:13.5px;font-family:var(--font-sans);
}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(23,71,159,.09);
  align-items:center;gap:12px;padding:0 16px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.mobile-cta .mc-text{flex:1 1 auto;min-width:0;font-size:13px;color:var(--ink-2);line-height:1.3;}
.mobile-cta .mc-text b{display:block;font-size:14px;color:var(--ink);font-weight:600;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-head{grid-template-columns:minmax(0,1fr) 280px;gap:32px;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .section{padding:56px 0;}
  .hero-head{grid-template-columns:1fr;gap:28px;}
  .hero-figure{max-width:560px;}
  .stage-row{grid-template-columns:1fr;gap:24px;}
  .stage-row.flip .stage-media{order:0;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-top{flex-wrap:wrap;gap:12px;padding-top:10px;padding-bottom:10px;}
  .nav-search{order:4;flex-basis:100%;max-width:none;margin:0;}
  .nav-actions .link-login,.nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cats{height:48px;gap:22px;}
  .site-header.nav-open .nav-cats{
    position:fixed;top:0;left:0;right:0;bottom:0;height:auto;z-index:90;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:88px 24px 32px;overflow-y:auto;
  }
  .site-header.nav-open .nav-cats a{
    height:52px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--line);
  }
  .site-header.nav-open .nav-cats a::after{display:none;}
  .site-header.nav-open .nav-cats .drawer-cta{
    display:inline-flex;margin-top:24px;border-bottom:0;justify-content:center;
  }
  .site-header.nav-open .nav-toggle{position:relative;z-index:95;}
  .hero-points li{padding:0 18px;}
  .hero-points li:nth-child(3){padding-left:0;border-left:0;margin-top:12px;}
  .service-grid{grid-template-columns:1fr;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .metrics-band{padding:28px 22px;}
  .section{padding:48px 0;}
  .stage-list{gap:40px;}
  .mini-table{display:block;overflow-x:auto;white-space:nowrap;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .mobile-cta{display:flex;}
  body{padding-bottom:64px;}
}
@media (max-width:520px){
  .logo-text{font-size:15px;}
  .cat-hero{padding:20px 0 36px;}
  .hero-points{flex-direction:column;gap:12px;}
  .hero-points li{padding:0 0 0 12px;border-left:2px solid rgba(31,95,214,.2);}
  .hero-points li:first-child{padding-left:12px;border-left:2px solid rgba(31,95,214,.2);}
  .btn{width:100%;}
  .pager .btn-prev,.pager .btn-next{display:none;}
  .cta-band{padding:24px 18px;}
  .metric-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
  .service-card:hover,.stage-row:hover .stage-media img{transform:none;}
}

/* roulang page: category4 */
:root{
  --brand:#1F5FD6;--brand-700:#17479F;--brand-900:#123B7A;--brand-50:#EEF4FF;
  --accent:#F26A21;--accent-50:#FFF1E7;
  --teal:#12A594;--warn:#D98E04;--danger:#D64545;
  --ink:#0E1B2C;--ink-2:#46586E;--ink-3:#7C8CA1;
  --bg:#F6F8FC;--surface:#FFFFFF;--line:#E4EAF2;
  --sh-1:0 1px 2px rgba(14,27,44,.04),0 8px 24px rgba(23,71,159,.07);
  --sh-2:0 14px 34px rgba(23,71,159,.12);
  --r-card:16px;--r-input:12px;--r-pill:999px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:Inter,"SF Pro Display",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
.site-header svg,.site-footer svg,.dl-item svg,.btn svg{fill:none;stroke:currentColor}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:10px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.24)}
.btn-accent:hover{filter:brightness(.92)}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand-50)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{background:#EAF1FF}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,106,33,.25)}
.btn-ghost:focus-visible,.link-login:focus-visible{box-shadow:0 0 0 3px rgba(31,95,214,.22)}
.btn[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1}
.badge-brand{background:var(--brand-50);color:var(--brand)}
.badge-teal{background:rgba(18,165,148,.1);color:var(--teal)}
.badge-warn{background:rgba(217,142,4,.1);color:var(--warn)}
.badge-accent{background:var(--accent);color:#fff}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  transition:box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(255,255,255,.95)}
.nav-top{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-900));color:#fff;flex-shrink:0;
}
.logo-mark svg{width:21px;height:21px;stroke-width:1.9;stroke:currentColor;fill:none}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink);white-space:nowrap}

.nav-search{
  flex:1 1 auto;max-width:540px;margin:0 auto;display:flex;align-items:center;
  height:44px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;padding:0 6px 0 14px;position:relative;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.nav-search .search-icon{width:19px;height:19px;color:var(--ink-3);stroke-width:1.75;stroke:currentColor;fill:none;flex-shrink:0}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;padding:0 10px;
  font-size:14.5px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;box-shadow:none}
.nav-search button{
  height:34px;padding:0 18px;border-radius:var(--r-pill);background:var(--brand);
  color:#fff;font-size:14px;font-weight:600;transition:background-color .18s var(--ease);
}
.nav-search button:hover{background:var(--brand-700)}

.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.link-login{font-size:15px;font-weight:600;color:var(--ink-2);padding:6px 4px;border-radius:8px}
.link-login:hover{color:var(--brand)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;color:var(--ink);place-items:center}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:hover{background:var(--brand-50);color:var(--brand)}

.nav-cats{
  display:flex;align-items:center;gap:30px;height:52px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats > a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);
  white-space:nowrap;height:52px;display:inline-flex;align-items:center;
  transition:color .18s var(--ease);
}
.nav-cats > a:hover{color:var(--brand)}
.nav-cats > a.active{color:var(--brand);font-weight:700}
.nav-cats > a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand);
}
.drawer-cta{display:none}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;margin-bottom:12px;display:block}
h2.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.4px}
.section-sub{margin-top:14px;color:var(--ink-2);font-size:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EEF4FF 0%,#F8FAFF 55%,#FFFFFF 100%);
  border-bottom:1px solid var(--line);
  padding:72px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(31,95,214,.13) 1px,transparent 1px);
  background-size:20px 20px;opacity:.45;mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero-copy h1{
  font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:700;letter-spacing:-.5px;
  margin:16px 0 18px;
}
.hero-lead{font-size:17px;color:var(--ink-2);line-height:1.8;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 26px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;padding-top:22px;border-top:1px solid rgba(31,95,214,.16)}
.hero-points li{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.hero-points strong{font-family:var(--font-num);font-variant-numeric:tabular-nums;color:var(--ink);font-weight:700}
.hero-media{margin:0;position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-2);border:1px solid rgba(255,255,255,.7);
}
.hero-media figcaption{
  font-size:13px;color:var(--ink-3);text-align:center;margin-top:12px;
}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 44px}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);
  transition:all .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(31,95,214,.22)}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.stat{background:#fff;padding:26px 24px}
.stat .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--brand);letter-spacing:-.6px;line-height:1.1}
.stat .num small{font-size:15px;font-weight:600;margin-left:2px}
.stat .lbl{font-size:14px;color:var(--ink-2);margin-top:8px}

/* ---------- 主体 split ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}

.faq-card{padding:10px 26px 22px}
.faq-card > h3{font-size:20px;font-weight:700;padding:18px 0 4px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;position:relative;transition:all .18s var(--ease);
}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-q .sign::before{width:11px;height:1.8px}
.faq-q .sign::after{width:1.8px;height:11px;transition:transform .18s var(--ease),opacity .18s var(--ease)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-item.is-open .sign{background:var(--brand-50);border-color:transparent}
.faq-item.is-open .sign::after{transform:scaleY(0);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .2s var(--ease)}
.faq-a > div{overflow:hidden}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-2);padding-bottom:20px}
.faq-item.is-open .faq-a{grid-template-rows:1fr}

/* ---------- 下载列表 ---------- */
.dl-card{overflow:hidden}
.dl-head{padding:22px 22px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.dl-head h3{font-size:19px;font-weight:700}
.dl-head span{font-size:13px;color:var(--ink-3)}
.dl-item{
  display:flex;align-items:center;gap:14px;height:56px;padding:0 18px;
  border-bottom:1px solid var(--line);transition:background-color .18s var(--ease);
}
.dl-item:last-of-type{border-bottom:0}
.dl-item:hover{background:var(--brand-50)}
.dl-item:hover .dl-name{color:var(--brand)}
.dl-ico{
  width:32px;height:32px;border-radius:9px;background:var(--brand-50);color:var(--brand);
  display:grid;place-items:center;flex-shrink:0;
}
.dl-ico svg{width:17px;height:17px;stroke-width:1.75}
.dl-name{flex:1;min-width:0;font-size:14.5px;font-weight:600;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .18s var(--ease)}
.dl-format{font-size:12px;font-weight:700;color:var(--ink-3);border:1px solid var(--line);border-radius:6px;padding:2px 7px;flex-shrink:0}
.dl-size{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--ink-3);flex-shrink:0;min-width:58px;text-align:right}
.dl-btn{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  color:var(--ink-3);border:1px solid var(--line);background:#fff;flex-shrink:0;
  transition:all .18s var(--ease);
}
.dl-btn svg{width:16px;height:16px;stroke-width:1.8}
.dl-item:hover .dl-btn{border-color:var(--brand);color:var(--brand);background:#fff}
.dl-note{padding:16px 18px;font-size:13px;color:var(--ink-3);background:#FBFCFE}

.tips{
  margin-top:22px;background:var(--accent-50);border-left:3px solid var(--accent);
  border-radius:12px;padding:20px 22px;
}
.tips h4{font-size:15px;font-weight:700;color:#8A3B0E;margin-bottom:10px}
.tips li{font-size:14px;color:#8A4A1D;line-height:1.7;padding-left:18px;position:relative;margin-bottom:8px}
.tips li:last-child{margin-bottom:0}
.tips li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 订阅 ---------- */
.subscribe-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.subscribe-wrap h3{font-size:22px;font-weight:700;margin-bottom:10px}
.subscribe-wrap p{font-size:15px;color:var(--ink-2)}
.subscribe-form{display:grid;gap:14px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:7px;font-weight:600}
.field input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;background:#fff;font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field input::placeholder{color:var(--ink-3)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.form-row{display:flex;gap:12px;align-items:stretch}
.form-row .field{flex:1}
.form-row .btn{height:48px;padding:0 26px}
.check{display:flex;align-items:flex-start;gap:9px;font-size:13px;color:var(--ink-2);line-height:1.6}
.check input{appearance:none;width:18px;height:18px;border:1px solid var(--line);border-radius:5px;flex-shrink:0;margin-top:2px;position:relative;background:#fff;transition:all .16s var(--ease)}
.check input:checked{background:var(--brand);border-color:var(--brand)}
.check input:checked::after{content:"";position:absolute;left:5.5px;top:2px;width:4px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(160deg,var(--brand-900),var(--brand-700));
  border-radius:20px;padding:52px;color:#fff;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 68%);
}
.cta-band h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
.cta-band p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.82);line-height:1.8;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;position:relative;z-index:1}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:56px}
.pager a{
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);
  font-variant-numeric:tabular-nums;transition:all .18s var(--ease);
}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager a.is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--ink-2);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.footer-col ul li{margin-bottom:11px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 移动端底栏 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  padding:0 16px;align-items:center;gap:12px;box-shadow:0 -6px 18px rgba(14,27,44,.06);
}
.mobile-bar .mb-txt{flex:1;min-width:0;font-size:13px;color:var(--ink-2);line-height:1.4}
.mobile-bar .mb-txt strong{display:block;font-size:14px;color:var(--ink)}
.mobile-bar .btn{height:44px;padding:0 20px}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-search{max-width:420px}
  .nav-cats{gap:22px}
  .hero-grid{gap:36px}
  .split{grid-template-columns:1fr;gap:32px}
  .dl-card{order:2}
  .faq-card{order:1}
}
@media (max-width:900px){
  .nav-toggle{display:grid}
  .nav-top{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .nav-search{order:4;flex:1 1 100%;max-width:none;margin:2px 0 4px}
  .nav-actions{margin-left:auto}
  .nav-cats{height:auto;padding:6px 0 12px;gap:20px}
  .nav-cats > a{height:44px}
  .drawer-cta{display:inline-flex;margin-left:auto}
  .nav-cats.is-collapsed{display:none}
  .page-hero{padding:48px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .section{padding:64px 0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .subscribe-wrap{grid-template-columns:1fr;gap:24px;padding:26px}
  .cta-band{grid-template-columns:1fr;padding:38px 28px;gap:24px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
  .hero-points{gap:14px;flex-direction:column;align-items:flex-start}
  .dl-name{white-space:normal;line-height:1.4}
  .dl-item{height:auto;min-height:56px;padding:12px 16px}
  .dl-size{min-width:auto}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .logo-text{font-size:15px}
  .nav-actions .link-login{display:none}
  .hero-copy h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr}
  .faq-card{padding:6px 18px 16px}
  .faq-q{font-size:15px;padding:17px 0}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .pager a{min-width:38px;height:38px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}