/* roulang page: index */
:root{
  --mk-brand:#2F5BE3;
  --mk-brand-dark:#1E42B8;
  --mk-brand-50:#EEF3FF;
  --mk-accent:#F5851F;
  --mk-ink:#0F172A;
  --mk-text:#475569;
  --mk-muted:#94A3B8;
  --mk-line:#E6EAF2;
  --mk-bg:#FFFFFF;
  --mk-bg-alt:#F6F8FC;
  --mk-success:#12A594;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px -14px rgba(15,23,42,.14);
  --shadow-2:0 4px 10px rgba(15,23,42,.06),0 18px 40px -18px rgba(15,23,42,.20);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--mk-text);
  background:var(--mk-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mk-brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--mk-bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--mk-brand);background:var(--mk-brand-50);border-radius:999px;padding:6px 14px;margin-bottom:18px}
h2{font-size:30px;line-height:1.35}
.section-head p{margin-top:14px;font-size:16px;color:var(--mk-text)}
h3{font-size:19px;line-height:1.5}
.muted{color:var(--mk-muted);font-size:13px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);padding:13px 24px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out}
.btn-primary{background:var(--mk-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(47,91,227,.7)}
.btn-primary:hover{background:var(--mk-brand-dark);transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(30,66,184,.75)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--mk-ink);border-color:var(--mk-line)}
.btn-ghost:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);color:var(--mk-brand);transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--mk-brand);font-weight:600;font-size:15px;cursor:pointer}
.text-link:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}

/* 标签 */
.chip{display:inline-flex;align-items:center;font-size:12px;font-weight:600;line-height:1;padding:6px 12px;border-radius:999px;background:var(--mk-brand-50);color:var(--mk-brand);white-space:nowrap}
.chip-accent{background:#FFF3E7;color:#C4661A}
.chip-plain{background:#F1F5F9;color:var(--mk-text)}

/* 导航 */
.nav-wrap{position:fixed;top:16px;left:0;right:0;z-index:60;padding:0 20px;transition:top .22s ease-out}
.nav-shell{max-width:1180px;margin:0 auto;height:60px;display:flex;align-items:center;gap:16px;padding:0 12px 0 16px;border-radius:999px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--mk-line);box-shadow:var(--shadow-1);transition:box-shadow .25s ease-out,background .25s ease-out}
body.is-scrolled .nav-shell{box-shadow:var(--shadow-2);background:rgba(255,255,255,.96)}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--mk-ink);flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--mk-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;letter-spacing:0}
.brand-mark::after{content:"MK"}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-links a{font-size:15px;padding:8px 14px;border-radius:999px;color:var(--mk-text);transition:background .2s ease-out,color .2s ease-out}
.nav-links a:hover{background:var(--mk-brand-50);color:var(--mk-brand)}
.nav-links a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--mk-line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--mk-ink);transition:transform .2s ease-out,opacity .2s ease-out}
.mobile-panel{max-width:1180px;margin:10px auto 0;background:#fff;border:1px solid var(--mk-line);border-radius:24px;box-shadow:var(--shadow-2);overflow:hidden;max-height:0;transition:max-height .18s ease-out}
.mobile-panel.open{max-height:420px}
.mobile-panel ul{padding:8px}
.mobile-panel a{display:flex;align-items:center;height:48px;padding:0 16px;border-radius:16px;font-size:15px;color:var(--mk-ink)}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600}

/* Hero */
.hero{padding:140px 0 92px;background:linear-gradient(180deg,#F6F8FC 0%,#FFFFFF 100%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{font-size:48px;line-height:1.2}
.hero-sub{margin-top:20px;font-size:17px;color:var(--mk-text);max-width:540px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px;padding-top:26px;border-top:1px solid var(--mk-line)}
.fact-label{font-size:13px;color:var(--mk-muted)}
.fact-value{font-size:14px;font-weight:600;color:var(--mk-ink);margin-top:2px}
.hero-visual{position:relative}
.hero-visual::after{content:"";position:absolute;inset:-14px;border-radius:28px;background:var(--mk-brand-50);z-index:0}
.hero-visual img{position:relative;z-index:1;border-radius:var(--radius-card);width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:var(--shadow-2)}
.hero-badge{position:relative;z-index:2;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--mk-line);border-radius:999px;padding:9px 16px;font-size:13px;font-weight:600;color:var(--mk-ink);box-shadow:var(--shadow-1);margin-bottom:14px}

/* 时间线 */
.timeline{border-top:1px solid var(--mk-line)}
.tl-item{display:grid;grid-template-columns:92px 28px 1fr 28px;gap:20px;align-items:start;padding:24px 0;border-bottom:1px solid var(--mk-line);transition:background .22s ease-out}
.tl-item:hover{background:rgba(238,243,255,.45)}
.tl-time{font-size:15px;font-weight:600;color:var(--mk-ink);font-variant-numeric:tabular-nums;padding-top:2px}
.tl-rail{position:relative;display:flex;justify-content:center;padding-top:8px}
.tl-rail::before{content:"";position:absolute;top:-26px;bottom:-26px;width:1px;background:var(--mk-line)}
.tl-dot{position:relative;z-index:1;width:12px;height:12px;border-radius:999px;background:var(--mk-brand);box-shadow:0 0 0 4px rgba(47,91,227,.12)}
.tl-dot.is-now{background:var(--mk-accent);box-shadow:0 0 0 5px rgba(245,133,31,.18),0 0 14px rgba(245,133,31,.55)}
.tl-body h3{font-size:17px}
.tl-body p{margin-top:8px;font-size:15px;color:var(--mk-text)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tl-arrow{align-self:center;color:var(--mk-muted);font-size:18px;transition:transform .22s ease-out,color .22s ease-out}
.tl-item:hover .tl-arrow{color:var(--mk-brand);transform:translateX(4px)}

/* 卡片 */
.card{background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;overflow:hidden}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8E1F3}
.card:hover .card-title{color:var(--mk-brand)}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.speaker-card{padding:0 0 22px}
.speaker-card img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius-card) var(--radius-card) 0 0}
.speaker-body{padding:18px 20px 0}
.speaker-name{font-size:18px;font-weight:700;color:var(--mk-ink)}
.speaker-role{font-size:13px;color:var(--mk-muted);margin-top:4px}
.speaker-bio{margin-top:12px;font-size:14px;color:var(--mk-text)}
.speaker-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}

/* 票种 */
.price-card{display:flex;flex-direction:column;padding:30px 26px 28px;position:relative}
.price-card.featured{border:1px solid var(--mk-brand);box-shadow:var(--shadow-2)}
.price-ribbon{position:absolute;top:0;left:26px;transform:translateY(-50%);background:var(--mk-accent);color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:5px 12px}
.price-name{font-size:18px;font-weight:700;color:var(--mk-ink)}
.price-desc{font-size:13px;color:var(--mk-muted);margin-top:6px}
.price-amount{display:flex;align-items:baseline;gap:6px;margin:18px 0 6px}
.price-amount strong{font-size:36px;line-height:1;color:var(--mk-ink);font-weight:700}
.price-amount span{font-size:14px;color:var(--mk-muted)}
.price-list{margin:20px 0 26px;display:flex;flex-direction:column;gap:12px}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--mk-text)}
.price-list li::before{content:"";flex:0 0 16px;height:16px;margin-top:5px;border-radius:999px;background:var(--mk-brand-50);box-shadow:inset 0 0 0 1px rgba(47,91,227,.35)}
.price-card .btn{margin-top:auto}
.compare-wrap{margin-top:32px;border:1px solid var(--mk-line);border-radius:var(--radius-card);overflow:hidden;background:#fff}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;cursor:pointer}
.compare-head h3{font-size:16px}
.compare-body{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.compare-body.open{max-height:520px}
.compare-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:12px;padding:13px 22px;font-size:14px;border-top:1px solid var(--mk-line)}
.compare-row:nth-child(odd){background:var(--mk-bg-alt)}
.compare-row span:first-child{color:var(--mk-ink);font-weight:500}

/* 数据 & 评价 */
.stat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.stat{background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1)}
.stat strong{display:block;font-size:34px;line-height:1.1;color:var(--mk-brand);font-weight:700}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--mk-text)}
.quote-card{padding:28px}
.quote-text{font-size:15px;color:var(--mk-ink);line-height:1.9}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:20px}
.quote-avatar{width:44px;height:44px;border-radius:999px;object-fit:cover}
.quote-name{font-size:14px;font-weight:600;color:var(--mk-ink)}
.quote-org{font-size:12px;color:var(--mk-muted)}

/* 最新动态 */
.cms-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:28px;align-items:start}
.cms-lead{display:flex;flex-direction:column;background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;transition:transform .22s ease-out,box-shadow .22s ease-out}
.cms-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.cms-lead img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card) var(--radius-card) 0 0}
.cms-lead-body{padding:24px}
.cms-lead-body h3{margin-top:12px;font-size:21px}
.cms-lead-body p{margin-top:12px;font-size:15px;color:var(--mk-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-side{display:flex;flex-direction:column;gap:18px}
.cms-mini{display:flex;gap:16px;padding:16px;background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out}
.cms-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8E1F3}
.cms-mini:hover .cms-mini-title{color:var(--mk-brand)}
.cms-mini img{width:112px;flex:0 0 112px;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img)}
.cms-mini-body{min-width:0}
.cms-mini-title{margin-top:8px;font-size:16px;font-weight:600;color:var(--mk-ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.cms-mini p{margin-top:6px;font-size:13px;color:var(--mk-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--mk-muted)}
.cms-empty{background:#fff;border:1px dashed var(--mk-line);border-radius:var(--radius-card);padding:64px 24px;text-align:center}
.cms-empty-icon{width:56px;height:56px;margin:0 auto 16px;border-radius:999px;background:var(--mk-bg-alt);display:flex;align-items:center;justify-content:center;color:var(--mk-muted);font-size:20px;font-weight:700}
.cms-empty p{font-size:15px;color:var(--mk-text)}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-item{border-bottom:1px solid var(--mk-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--mk-ink);cursor:pointer}
.faq-q .caret{flex:0 0 auto;width:22px;height:22px;border-radius:999px;background:var(--mk-bg-alt);display:flex;align-items:center;justify-content:center;color:var(--mk-brand);font-size:13px;transition:transform .22s ease-out,background .22s ease-out}
.faq-item.open .faq-q .caret{transform:rotate(180deg);background:var(--mk-brand-50)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--mk-text);max-width:640px}

/* 报名 */
.signup{background:var(--mk-brand-50)}
.signup-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.signup-notes{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.signup-notes li{display:flex;gap:12px;font-size:15px;color:var(--mk-text)}
.signup-notes li::before{content:"";flex:0 0 6px;height:6px;margin-top:11px;border-radius:999px;background:var(--mk-accent)}
.form-card{background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--mk-muted);margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--mk-line);border-radius:var(--radius-input);padding:12px 14px;font-size:15px;background:#fff;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--mk-brand);box-shadow:0 0 0 4px var(--mk-brand-50)}
.field textarea{min-height:104px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-tip{margin-top:14px;font-size:12px;color:var(--mk-muted)}

/* 页脚 */
.site-footer{background:var(--mk-bg-alt);border-top:1px solid var(--mk-line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--mk-ink)}
.footer-text{margin-top:16px;font-size:14px;color:var(--mk-text);max-width:320px}
.footer-col h4{font-size:15px;color:var(--mk-ink);margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:11px}
.footer-col a,.footer-col p{font-size:14px;color:var(--mk-text);transition:color .2s ease-out}
.footer-col a:hover{color:var(--mk-brand)}
.footer-bottom{margin-top:56px;border-top:1px solid var(--mk-line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--mk-muted)}

/* 响应式 */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:38px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cms-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .signup-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:76px 0}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .nav-wrap{padding:0 12px;top:12px}
  .nav-shell{height:56px}
  .hero{padding:112px 0 64px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-facts{grid-template-columns:1fr 1fr;gap:18px 16px}
  h2{font-size:22px}
  h3{font-size:18px}
  .section{padding:56px 0}
  .grid-3{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .tl-item{grid-template-columns:74px 20px 1fr;gap:14px}
  .tl-arrow{display:none}
  .compare-row{grid-template-columns:1.3fr 1fr 1fr 1fr;font-size:13px;padding:12px 16px}
  .form-row{grid-template-columns:1fr}
  .cms-mini img{width:88px;flex:0 0 88px}
}
@media (max-width:520px){
  .hero h1{font-size:28px;line-height:1.3}
  .grid-4{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .price-amount strong{font-size:30px}
}

/* roulang page: category1 */
:root{
  --mk-brand:#2F5BE3;
  --mk-brand-dark:#1E42B8;
  --mk-brand-50:#EEF3FF;
  --mk-accent:#F5851F;
  --ink:#0F172A;
  --text:#475569;
  --muted:#94A3B8;
  --line:#E6EAF2;
  --bg:#FFFFFF;
  --bg-alt:#F6F8FC;
  --success:#12A594;
  --r-card:16px;
  --r-img:12px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px -14px rgba(15,23,42,.14);
  --shadow-2:0 4px 10px rgba(15,23,42,.06),0 18px 40px -18px rgba(15,23,42,.20);
  --nav-h:60px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
a:hover{color:var(--mk-brand)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mk-brand);outline-offset:2px;border-radius:6px}

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

/* ---------- 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:50}
.nav-shell{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:var(--nav-h);
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease-out,min-height .22s ease-out,margin .22s ease-out;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-2);min-height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:17px;white-space:nowrap}
.brand-mark{
  width:30px;height:30px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--mk-brand),#6E8CFF);
  box-shadow:0 6px 14px -8px rgba(47,91,227,.9);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;background:#fff;opacity:.92;
}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-links a{
  font-size:15px;font-weight:500;color:var(--text);
  padding:8px 14px;border-radius:999px;
  transition:background .2s ease-out,color .2s ease-out;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--bg-alt);color:var(--ink)}
.nav-links a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-panel{
  max-width:1180px;margin:10px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow-2);
  overflow:hidden;max-height:0;opacity:0;visibility:hidden;
  transition:max-height .18s ease-out,opacity .18s ease-out,visibility .18s;
}
.nav-panel.is-open{max-height:420px;opacity:1;visibility:visible}
.nav-panel ul{padding:10px}
.nav-panel li a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  border-radius:14px;font-size:15px;font-weight:500;color:var(--text);
}
.nav-panel li a:hover{background:var(--bg-alt);color:var(--ink)}
.nav-panel li a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-primary{background:var(--mk-brand);color:#fff;box-shadow:0 10px 22px -14px rgba(47,91,227,.95)}
.btn-primary:hover{background:var(--mk-brand-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:var(--mk-brand-dark)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);color:var(--mk-brand)}
.btn-ghost:active{background:#E3EBFF}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed}
.link-arrow{color:var(--mk-brand);font-weight:600;font-size:15px;border-bottom:2px solid transparent;transition:border-color .2s ease-out}
.link-arrow:hover{border-bottom-color:var(--mk-brand)}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--mk-brand-50);color:var(--mk-brand);
}
.badge-accent{background:#FFF3E7;color:#C9660F}
.badge-muted{background:#F1F4F9;color:#5B6B84}
.badge-success{background:#E7F7F4;color:#0C7F72}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;padding:132px 0 72px;overflow:hidden;background:var(--bg-alt)}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.92) 46%,rgba(255,255,255,.72) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:800px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--mk-brand)}
.breadcrumb .current{color:var(--ink);font-weight:500}
.page-hero h1{font-size:44px;line-height:1.22;margin:16px 0 14px}
.page-hero-sub{font-size:17px;line-height:1.85;color:var(--text);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:13px;color:#64748B}
.hero-meta .dot{width:7px;height:7px;border-radius:50%;background:var(--mk-brand);flex:none}
.hero-meta li:nth-child(2) .dot{background:var(--mk-accent)}

/* ---------- 板块 ---------- */
.section{padding:92px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:16px}
.section-head p{font-size:16px;color:var(--text)}
.eyebrow{font-size:13px;font-weight:600;color:var(--mk-brand);letter-spacing:.04em;margin-bottom:12px;display:block}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:9px;top:14px;bottom:14px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 26px 42px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:3px;top:8px;width:13px;height:13px;border-radius:50%;
  background:var(--mk-brand);border:2px solid #fff;
  box-shadow:0 0 0 1px var(--line);
}
.tl-item.is-now .tl-dot{background:var(--mk-accent);box-shadow:0 0 0 4px rgba(245,133,31,.18)}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--shadow-1);
  display:flex;gap:24px;align-items:flex-start;justify-content:space-between;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6DEF0}
.tl-time{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;font-weight:600;color:var(--mk-brand);
  font-variant-numeric:tabular-nums;white-space:nowrap;min-width:96px;
}
.tl-item.is-now .tl-time{color:#C9660F}
.tl-body h3{font-size:17px;margin-bottom:8px}
.tl-body p{font-size:14px;color:var(--text);line-height:1.75}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tl-arrow{color:var(--muted);font-size:18px;line-height:1;flex:none;padding-top:4px;transition:color .2s ease-out,transform .2s ease-out}
.tl-card:hover .tl-arrow{color:var(--mk-brand);transform:translateX(3px)}

/* ---------- 网格与卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6DEF0}
.card-body{padding:24px}
.card h3{font-size:19px;margin-bottom:10px}
.card:hover h3{color:var(--mk-brand)}
.card p{font-size:15px;line-height:1.8}
.cover{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.cover-inset{border-radius:var(--r-img);aspect-ratio:4/3;object-fit:cover;width:100%}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.card-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);line-height:1.7}
.tick{color:var(--success);font-weight:700;flex:none}

/* ---------- 数据条 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.stat{padding:32px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-size:36px;font-weight:700;color:var(--mk-brand);line-height:1.1;letter-spacing:-.02em}
.stat-label{font-size:15px;font-weight:600;color:var(--ink);margin-top:10px}
.stat-desc{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.7}

/* ---------- 须知列表 ---------- */
.note-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.note{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--mk-brand);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.note:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.note h3{font-size:17px;margin-bottom:10px}
.note p{font-size:14.5px;line-height:1.8}
.note-idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;background:var(--mk-brand-50);
  color:var(--mk-brand);font-size:13px;font-weight:700;margin-bottom:14px;
}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--mk-brand-50);border-top:1px solid #DDE6FB;border-bottom:1px solid #DDE6FB}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;margin-bottom:10px}
.cta-inner p{font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-note{font-size:13px;color:#5B6B84;margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-text{font-size:14.5px;line-height:1.85;color:var(--text);max-width:360px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a,.footer-col li p{font-size:14.5px;color:var(--text);margin:0;line-height:1.7}
.footer-col li a:hover{color:var(--mk-brand)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .page-hero h1{font-size:38px}
  .grid-2,.grid-3,.note-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .nav-links a{padding:8px 10px;font-size:14px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-shell{padding:0 8px 0 16px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .site-header{top:10px}
  .page-hero{padding:112px 0 56px}
  .page-hero h1{font-size:30px}
  .page-hero-sub{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px}
  .stat-row{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:24px 20px}
  .stat:last-child{border-bottom:0}
  .tl-card{flex-direction:column;gap:12px;padding:18px}
  .tl-time{min-width:0}
  .cta-inner{padding:40px 0}
  .cta-inner h2{font-size:22px}
}
@media (max-width:520px){
  .grid-2,.grid-3,.note-list{grid-template-columns:1fr}
  .page-hero h1{font-size:27px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --mk-brand:#2F5BE3;
  --mk-brand-dark:#1E42B8;
  --mk-brand-50:#EEF3FF;
  --mk-accent:#F5851F;
  --ink-900:#0F172A;
  --ink-600:#475569;
  --ink-400:#94A3B8;
  --line:#E6EAF2;
  --bg-soft:#F6F8FC;
  --success:#12A594;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --radius-field:10px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px -14px rgba(15,23,42,.14);
  --shadow-2:0 4px 10px rgba(15,23,42,.06),0 18px 40px -18px rgba(15,23,42,.20);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-600);
  background:#fff;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{margin:0}
::selection{background:var(--mk-brand-50);color:var(--mk-brand-dark)}

.container{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:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.btn-primary{background:var(--mk-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(47,91,227,.75)}
.btn-primary:hover{background:var(--mk-brand-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -8px rgba(47,91,227,.7)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink-900)}
.btn-ghost:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);color:var(--mk-brand)}
.btn-ghost:active{background:#E3EBFF}
.btn-text{height:auto;padding:0;color:var(--mk-brand);font-weight:600;border-radius:0}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.btn:focus-visible,.share-btn:focus-visible,.nav-toggle:focus-visible,a:focus-visible{
  outline:2px solid var(--mk-brand);outline-offset:2px;border-radius:6px;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ---------- 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--mk-brand-50);color:var(--mk-brand);
}
.badge-accent{background:#FFF3E6;color:#C2600B}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:50;padding:0 16px}
.nav-shell{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  height:60px;padding:0 10px 0 18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .22s ease-out,height .22s ease-out;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-2);height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:26px;height:26px;border-radius:9px;background:var(--mk-brand);
  position:relative;flex:none;
}
.brand-mark::after{
  content:"";position:absolute;left:7px;top:7px;width:12px;height:12px;
  border-radius:4px;background:#fff;opacity:.92;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--ink-600);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-links a:hover{background:var(--bg-soft);color:var(--ink-900)}
.nav-links a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600}
.nav-cta{flex:none}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;flex:none;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-panel{
  display:none;max-width:1180px;margin:8px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow-2);overflow:hidden;
  max-height:0;opacity:0;
  transition:max-height .18s ease-out,opacity .18s ease-out;
}
.nav-panel ul{padding:10px}
.nav-panel li a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;
  border-radius:14px;font-size:15px;font-weight:500;color:var(--ink-600);
}
.nav-panel li a:hover{background:var(--bg-soft);color:var(--ink-900)}
.nav-panel li a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600}
.nav-panel .panel-cta{margin:6px 10px 14px}

/* ---------- 文章头部 ---------- */
.article-hero{
  background:var(--bg-soft);
  border-bottom:1px solid var(--line);
  padding:122px 0 52px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-400);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-400);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--mk-brand)}
.breadcrumb .sep{color:#CBD5E1}
.breadcrumb .current{color:var(--ink-600);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:860px}
.article-title{
  margin:16px 0 0;
  font-size:42px;line-height:1.24;font-weight:700;
  color:var(--ink-900);letter-spacing:-.01em;
}
.article-lead{
  margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-600);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:20px;font-size:13px;color:var(--ink-400);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E1}
.share-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px}
.share-label{font-size:13px;color:var(--ink-400)}
.share-btn{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:13px;font-weight:500;color:var(--ink-600);
  transition:all .2s ease-out;
}
.share-btn:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);color:var(--mk-brand)}
.share-btn.is-done{border-color:var(--success);color:var(--success);background:#EAF7F5}

/* ---------- 文章主体 ---------- */
.article-main{padding:56px 0 88px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
}
.article-column{max-width:840px;min-width:0}
.article-cover{margin:0 0 36px;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.article-cover img{width:100%;aspect-ratio:4/3;object-fit:cover}
.article-cover figcaption{padding:12px 18px;font-size:13px;color:var(--ink-400);background:#fff;border-top:1px solid var(--line)}

.article-body{font-size:17px;line-height:1.95;color:#3F4A5C}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  margin:52px 0 18px;padding-left:16px;
  font-size:25px;line-height:1.45;font-weight:700;
  color:var(--ink-900);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:4px;background:var(--mk-brand);
}
.article-body h3{margin:34px 0 14px;font-size:19px;line-height:1.6;font-weight:600;color:var(--ink-900)}
.article-body strong{color:var(--ink-900);font-weight:600}
.article-body a{color:var(--mk-brand);border-bottom:2px solid transparent;transition:border-color .2s ease-out}
.article-body a:hover{border-bottom-color:var(--mk-brand)}
.article-body ul{margin:0 0 20px}
.article-body ul li{position:relative;padding-left:22px;margin:10px 0}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--mk-brand);
}
.article-body ol{counter-reset:mkol;margin:0 0 20px}
.article-body ol li{position:relative;padding-left:32px;margin:12px 0}
.article-body ol li::before{
  counter-increment:mkol;content:counter(mkol);
  position:absolute;left:0;top:.32em;width:21px;height:21px;border-radius:50%;
  background:var(--mk-brand-50);color:var(--mk-brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;
  background:var(--mk-brand-50);border-left:3px solid var(--mk-brand);
  border-radius:0 12px 12px 0;color:#334155;font-size:16px;
}
.article-body img{border-radius:var(--radius-img);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-400)}
.article-body table{
  width:100%;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;
  border-collapse:separate;border-spacing:0;overflow:hidden;
}
.article-body th{background:var(--bg-soft);color:var(--ink-900);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.article-body tr:last-child td{border-bottom:none}
.article-body code{background:var(--bg-soft);border-radius:6px;padding:2px 6px;font-size:14px}

.empty-state{
  padding:64px 24px;text-align:center;
  background:var(--bg-soft);border:1px dashed var(--line);border-radius:var(--radius-card);
}
.empty-title{font-size:20px;font-weight:700;color:var(--ink-900);margin-bottom:8px}
.empty-text{font-size:15px;color:var(--ink-400);max-width:460px;margin:0 auto 20px}

/* ---------- 文末 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.article-tags .label{font-size:13px;color:var(--ink-400)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;background:var(--mk-brand-50);color:var(--mk-brand);
  font-size:13px;font-weight:500;transition:background-color .2s ease-out,color .2s ease-out;
}
.tag:hover{background:var(--mk-brand);color:#fff}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
.prevnext a{
  display:block;padding:20px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.prevnext a:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8E0EF}
.prevnext .pn-label{display:block;font-size:13px;color:var(--ink-400);margin-bottom:6px}
.prevnext .pn-title{display:block;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5}
.prevnext a:hover .pn-title{color:var(--mk-brand)}
.prevnext .pn-next{text-align:right}
.article-back{margin-top:28px}

/* ---------- 侧栏 ---------- */
.article-side{display:grid;gap:20px;position:sticky;top:100px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:22px;
}
.side-title{font-size:16px;font-weight:700;color:var(--ink-900);margin-bottom:14px;letter-spacing:-.01em}
.side-list li+li{margin-top:2px;border-top:1px solid var(--line)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:15px;color:var(--ink-600);
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.side-list a::after{content:"→";color:var(--ink-400);font-size:14px;transition:transform .2s ease-out,color .2s ease-out}
.side-list a:hover{color:var(--mk-brand);padding-left:4px}
.side-list a:hover::after{color:var(--mk-brand);transform:translateX(3px)}
.side-note{font-size:14px;color:var(--ink-600);line-height:1.8}
.side-note strong{display:block;color:var(--ink-900);font-size:15px;margin-bottom:4px}

/* ---------- 区块 ---------- */
.section{padding:88px 0}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin-bottom:40px}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-600)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--mk-brand);letter-spacing:.06em;margin-bottom:10px}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D8E0EF}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-body{padding:20px 22px 24px}
.card-title{font-size:19px;font-weight:600;color:var(--ink-900);line-height:1.5;letter-spacing:-.01em}
.card:hover .card-title{color:var(--mk-brand)}
.card-text{margin-top:10px;font-size:15px;color:var(--ink-600);line-height:1.8}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--ink-400)}

.cta-band{padding:80px 0;background:#fff}
.cta-inner{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;align-items:center;
  background:var(--mk-brand-50);border:1px solid #DCE6FF;border-radius:24px;
  padding:44px 46px;
}
.cta-inner h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--ink-900);letter-spacing:-.01em}
.cta-inner p{margin-top:12px;font-size:16px;color:var(--ink-600)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:14px;color:var(--ink-600)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mk-accent)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--mk-brand-50);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.footer-text{font-size:15px;color:var(--ink-600);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink-900);margin-bottom:14px}
.footer-col ul li+li{margin-top:10px}
.footer-col a,.footer-col p{font-size:15px;color:var(--ink-600);line-height:1.8;transition:color .2s ease-out}
.footer-col a:hover{color:var(--mk-brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:20px;border-top:1px solid #DCE3F0;
  font-size:13px;color:var(--ink-400);
}

/* ---------- 后台返回顶部 ---------- */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);
  background:var(--ink-900);color:#fff;font-size:14px;
  padding:10px 20px;border-radius:999px;box-shadow:var(--shadow-2);
  opacity:0;pointer-events:none;transition:opacity .22s ease-out,transform .22s ease-out;z-index:80;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .article-hero{padding:112px 0 44px}
  .article-title{font-size:34px}
  .article-layout{grid-template-columns:1fr;gap:44px}
  .article-column{max-width:none}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;padding:36px 30px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{display:block}
  .site-header.is-open .nav-panel{max-height:460px;opacity:1}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .article-hero{padding:104px 0 40px}
  .article-title{font-size:28px}
  .article-lead{font-size:15px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin:40px 0 14px}
  .article-body h3{font-size:17px}
  .breadcrumb .current{white-space:normal;max-width:none}
  .prevnext{grid-template-columns:1fr}
  .prevnext .pn-next{text-align:left}
  .article-side{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-head h2{font-size:22px}
  .cta-inner{border-radius:20px;padding:28px 22px}
  .cta-inner h2{font-size:22px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:520px){
  .article-title{font-size:25px}
  .card-title{font-size:17px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px 12px}
}

/* roulang page: category2 */
:root{
    --mk-brand:#2F5BE3;
    --mk-brand-dark:#1E42B8;
    --mk-brand-50:#EEF3FF;
    --mk-accent:#F5851F;
    --mk-ink:#0F172A;
    --mk-body:#475569;
    --mk-muted:#94A3B8;
    --mk-line:#E6EAF2;
    --mk-bg:#FFFFFF;
    --mk-bg-soft:#F6F8FC;
    --mk-success:#12A594;
    --radius-card:16px;
    --radius-img:12px;
    --radius-btn:12px;
    --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px -14px rgba(15,23,42,.14);
    --shadow-2:0 4px 10px rgba(15,23,42,.06),0 18px 40px -18px rgba(15,23,42,.20);
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.8;
    color:var(--mk-body);
    background:var(--mk-bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
  button,input,select,textarea{font:inherit;color:inherit;}
  button{cursor:pointer;}
  ul{margin:0;padding:0;list-style:none;}
  p{margin:0;}
  h1,h2,h3,h4{color:var(--mk-ink);letter-spacing:-.01em;margin:0;line-height:1.35;font-weight:700;}
  :focus-visible{outline:2px solid var(--mk-brand);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .section{padding:96px 0;}
  .section--soft{background:var(--mk-bg-soft);}
  .section-head{max-width:760px;margin-bottom:44px;}
  .section-head h2{font-size:30px;margin-bottom:16px;}
  .section-head p{font-size:16px;color:var(--mk-body);}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--mk-brand);background:var(--mk-brand-50);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mk-brand);}

  /* ---------- 悬浮胶囊导航 ---------- */
  .site-header{position:fixed;top:16px;left:0;right:0;z-index:50;padding:0 16px;}
  .nav-shell{
    max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:24px;
    height:60px;padding:0 12px 0 18px;border-radius:999px;
    background:rgba(255,255,255,.88);backdrop-filter:blur(12px);
    border:1px solid var(--mk-line);box-shadow:var(--shadow-1);
    transition:box-shadow .22s ease-out,padding .22s ease-out;
  }
  .site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-2);padding:0 10px 0 18px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--mk-ink);font-size:17px;flex:none;}
  .brand-mark{
    width:28px;height:28px;border-radius:9px;flex:none;
    background:linear-gradient(140deg,var(--mk-brand) 0%,#5B7DF0 100%);
    position:relative;box-shadow:0 6px 16px -8px rgba(47,91,227,.85);
  }
  .brand-mark::after{content:"";position:absolute;inset:8px 8px auto 8px;height:3px;border-radius:2px;background:#fff;box-shadow:0 6px 0 0 rgba(255,255,255,.75),0 12px 0 0 rgba(255,255,255,.45);}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
  .nav-links a{
    font-size:15px;color:var(--mk-body);padding:9px 16px;border-radius:999px;
    transition:background .2s ease,color .2s ease;
  }
  .nav-links a:hover{background:var(--mk-bg-soft);color:var(--mk-ink);}
  .nav-links a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600;}
  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;flex:none;}
  .nav-toggle{display:none;width:42px;height:42px;border-radius:14px;border:1px solid var(--mk-line);background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;transition:border-color .2s ease,background .2s ease;}
  .nav-toggle:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);}
  .nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--mk-ink);transition:transform .2s ease,opacity .2s ease;}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .mobile-panel{
    max-width:1180px;margin:8px auto 0;background:#fff;border:1px solid var(--mk-line);
    border-radius:24px;box-shadow:var(--shadow-2);overflow:hidden;max-height:0;
    transition:max-height .18s ease-out,opacity .18s ease-out;opacity:0;
  }
  .mobile-panel.is-open{max-height:420px;opacity:1;}
  .mobile-panel a{display:flex;align-items:center;min-height:48px;padding:0 22px;font-size:15px;border-bottom:1px solid var(--mk-line);color:var(--mk-ink);}
  .mobile-panel a:last-child{border-bottom:none;}
  .mobile-panel a.is-active{color:var(--mk-brand);font-weight:600;background:var(--mk-brand-50);}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);padding:12px 22px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;
    transition:transform .22s ease-out,background .22s ease-out,color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
  }
  .btn-primary{background:var(--mk-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(47,91,227,.9);}
  .btn-primary:hover{background:var(--mk-brand-dark);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(47,91,227,.85);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;border-color:var(--mk-line);color:var(--mk-ink);}
  .btn-ghost:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);color:var(--mk-brand);transform:translateY(-1px);}
  .btn-sm{padding:9px 16px;font-size:14px;border-radius:999px;}
  .btn-block{width:100%;}
  .link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--mk-brand);}
  .link-arrow::after{content:"→";transition:transform .2s ease;}
  .link-arrow:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
  .link-arrow:hover::after{transform:translateX(3px);}

  /* ---------- Hero ---------- */
  .hero{
    position:relative;padding:132px 0 76px;min-height:360px;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    border-bottom:1px solid var(--mk-line);
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 46%,rgba(255,255,255,.58) 100%);
  }
  .hero .container{position:relative;z-index:1;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mk-muted);margin-bottom:18px;flex-wrap:wrap;}
  .breadcrumb a{color:var(--mk-muted);}
  .breadcrumb a:hover{color:var(--mk-brand);}
  .breadcrumb span.sep{color:#CBD5E1;}
  .hero h1{font-size:44px;max-width:760px;margin-bottom:18px;}
  .hero h1 em{font-style:normal;color:var(--mk-brand);}
  .hero-sub{font-size:17px;max-width:640px;color:var(--mk-body);margin-bottom:30px;}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px;}
  .hero-meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:820px;}
  .hero-meta li{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--mk-muted);}
  .hero-meta strong{font-size:18px;color:var(--mk-ink);font-weight:700;font-family:Inter,"PingFang SC",sans-serif;}

  /* ---------- 数据条 ---------- */
  .stat-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .stat-card{
    background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);
    padding:30px 28px;box-shadow:var(--shadow-1);transition:transform .22s ease-out,box-shadow .22s ease-out;
  }
  .stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .stat-num{font-size:38px;font-weight:700;color:var(--mk-brand);font-family:Inter,"PingFang SC",sans-serif;line-height:1.1;letter-spacing:-.02em;}
  .stat-num small{font-size:16px;color:var(--mk-muted);font-weight:500;margin-left:4px;}
  .stat-card h3{font-size:17px;margin:12px 0 8px;}
  .stat-card p{font-size:14px;color:var(--mk-body);}

  /* ---------- 交错图文 ---------- */
  .split-list{display:flex;flex-direction:column;gap:72px;}
  .split-row{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
  .split-row.reverse .split-media{order:2;}
  .split-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);
    border:1px solid var(--mk-line);box-shadow:var(--shadow-1);
  }
  .split-body{max-width:520px;}
  .split-index{font-size:13px;font-weight:700;color:var(--mk-accent);letter-spacing:.08em;}
  .split-body h3{font-size:24px;margin:10px 0 14px;}
  .split-body p{font-size:16px;margin-bottom:20px;}
  .check-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px;}
  .check-list li{position:relative;padding-left:28px;font-size:15px;color:var(--mk-body);}
  .check-list li::before{
    content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;
    background:var(--mk-brand-50);
  }
  .check-list li::after{
    content:"";position:absolute;left:5px;top:14px;width:6px;height:3px;border-left:2px solid var(--mk-brand);
    border-bottom:2px solid var(--mk-brand);transform:rotate(-45deg);
  }

  /* ---------- 能力矩阵 ---------- */
  .matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .matrix-card{
    background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);
    padding:28px;box-shadow:var(--shadow-1);
    transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  }
  .matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D7E0F5;}
  .matrix-icon{
    width:44px;height:44px;border-radius:12px;background:var(--mk-brand-50);color:var(--mk-brand);
    display:flex;align-items:center;justify-content:center;margin-bottom:18px;
  }
  .matrix-icon svg{width:22px;height:22px;stroke-width:1.8;}
  .matrix-card h3{font-size:19px;margin-bottom:10px;}
  .matrix-card p{font-size:15px;margin-bottom:16px;}
  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;background:var(--mk-brand-50);color:var(--mk-brand);}
  .tag--accent{background:#FFF2E4;color:#B45F0A;}

  /* ---------- 案例 ---------- */
  .case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
  .case-card{
    background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);overflow:hidden;
    box-shadow:var(--shadow-1);transition:transform .22s ease-out,box-shadow .22s ease-out;
    display:flex;flex-direction:column;
  }
  .case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
  .case-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
  .case-body{padding:24px;}
  .case-body h3{font-size:19px;margin:12px 0 10px;}
  .case-body p{font-size:15px;color:var(--mk-body);}
  .case-foot{margin-top:18px;font-size:13px;color:var(--mk-muted);}

  /* ---------- 咨询 CTA ---------- */
  .consult{background:var(--mk-brand-50);}
  .consult-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;}
  .consult-copy h2{font-size:30px;margin-bottom:16px;}
  .consult-copy p{font-size:16px;margin-bottom:22px;}
  .consult-points{display:flex;flex-direction:column;gap:16px;}
  .consult-points li{display:flex;gap:12px;font-size:15px;color:var(--mk-body);}
  .consult-points li strong{display:block;color:var(--mk-ink);font-weight:600;font-size:15px;margin-bottom:2px;}
  .dot{width:10px;height:10px;border-radius:50%;background:var(--mk-brand);flex:none;margin-top:9px;}
  .form-card{background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);padding:32px;box-shadow:var(--shadow-2);}
  .field{margin-bottom:18px;}
  .field label{display:block;font-size:13px;color:var(--mk-muted);margin-bottom:8px;}
  .field input,.field select,.field textarea{
    width:100%;border:1px solid var(--mk-line);border-radius:10px;padding:12px 14px;
    font-size:15px;background:#fff;color:var(--mk-ink);transition:border-color .2s ease,box-shadow .2s ease;
  }
  .field textarea{min-height:104px;resize:vertical;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--mk-brand);box-shadow:0 0 0 4px rgba(47,91,227,.14);
  }
  .field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .form-hint{font-size:13px;color:var(--mk-muted);margin-top:14px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--mk-bg-soft);border-top:1px solid var(--mk-line);padding:72px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--mk-ink);font-size:17px;margin-bottom:16px;}
  .footer-text{font-size:14px;color:var(--mk-body);max-width:360px;}
  .footer-col h4{font-size:15px;margin-bottom:18px;color:var(--mk-ink);}
  .footer-col ul{display:flex;flex-direction:column;gap:12px;}
  .footer-col a{font-size:14px;color:var(--mk-body);}
  .footer-col a:hover{color:var(--mk-brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
  .footer-col p{font-size:14px;color:var(--mk-body);}
  .footer-bottom{
    margin-top:52px;padding-top:22px;border-top:1px solid var(--mk-line);
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--mk-muted);
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .section{padding:80px 0;}
    .hero h1{font-size:36px;}
    .split-row{gap:36px;}
    .matrix-grid,.case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .consult-grid{grid-template-columns:1fr;gap:36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:980px){
    .nav-links{display:none;}
    .nav-toggle{display:flex;}
    .nav-shell{justify-content:space-between;}
    .nav-actions{margin-left:auto;}
  }
  @media (max-width:768px){
    .container{padding:0 16px;}
    .section{padding:64px 0;}
    .section-head{margin-bottom:32px;}
    .section-head h2,.consult-copy h2{font-size:24px;}
    .hero{padding:112px 0 56px;min-height:0;}
    .hero h1{font-size:28px;}
    .hero-sub{font-size:15px;margin-bottom:24px;}
    .hero-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 16px;}
    .stat-strip{grid-template-columns:1fr;}
    .split-list{gap:52px;}
    .split-row{grid-template-columns:1fr;gap:24px;}
    .split-row.reverse .split-media{order:0;}
    .split-body{max-width:none;}
    .split-body h3{font-size:20px;}
    .matrix-grid,.case-grid{grid-template-columns:1fr;}
    .form-card{padding:24px;}
    .field-row{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:520px){
    .hero h1{font-size:26px;}
    .hero-actions .btn{width:100%;}
    .hero-meta{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .brand{font-size:16px;}
  }

/* roulang page: category3 */
:root{
  --mk-brand:#2F5BE3;
  --mk-brand-dark:#1E42B8;
  --mk-brand-50:#EEF3FF;
  --mk-accent:#F5851F;
  --mk-title:#0F172A;
  --mk-text:#475569;
  --mk-muted:#94A3B8;
  --mk-line:#E6EAF2;
  --mk-surface:#FFFFFF;
  --mk-surface-alt:#F6F8FC;
  --mk-success:#12A594;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:12px;
  --radius-field:10px;
  --shadow-1:0 1px 2px rgba(15,23,42,.04),0 8px 24px -14px rgba(15,23,42,.14);
  --shadow-2:0 4px 10px rgba(15,23,42,.06),0 18px 40px -18px rgba(15,23,42,.20);
  --ease:220ms 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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--mk-text);
  background:var(--mk-surface);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--mk-title);letter-spacing:-.01em;margin:0;font-weight:600;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--mk-brand);outline-offset:2px;border-radius:6px;}

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

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:50;}
.nav-shell{
  max-width:1180px;margin:0 auto;padding:8px 14px 8px 18px;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--mk-line);
  border-radius:999px;
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--ease),padding var(--ease),background var(--ease);
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--shadow-2);padding-top:6px;padding-bottom:6px;background:rgba(255,255,255,.95);}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:10px;
  background:linear-gradient(140deg,var(--mk-brand) 0%,#5B82F0 100%);
  position:relative;flex:0 0 auto;
  box-shadow:0 6px 14px -8px rgba(47,91,227,.9);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 9px 9px 9px;
  border-radius:4px;background:#fff;opacity:.92;
}
.brand-text{font-weight:700;font-size:17px;color:var(--mk-title);letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-links a{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--mk-text);
  transition:background var(--ease),color var(--ease);
  white-space:nowrap;
}
.nav-links a:hover{background:var(--mk-brand-50);color:var(--mk-brand);}
.nav-links a.is-active{background:var(--mk-brand-50);color:var(--mk-brand);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:12px;
  background:var(--mk-brand);color:#fff;font-size:15px;font-weight:600;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  box-shadow:0 8px 18px -12px rgba(47,91,227,.95);
  flex:0 0 auto;white-space:nowrap;
}
.nav-cta:hover{background:var(--mk-brand-dark);transform:translateY(-1px);}
.nav-burger{display:none;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;border:1px solid var(--mk-line);background:#fff;}
.nav-burger span{display:block;width:18px;height:2px;background:var(--mk-title);border-radius:2px;position:relative;transition:transform var(--ease);}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--mk-title);border-radius:2px;transition:transform var(--ease),top var(--ease);}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}
.nav-mobile{
  max-width:1180px;margin:10px auto 0;background:#fff;border:1px solid var(--mk-line);
  border-radius:24px;box-shadow:var(--shadow-2);overflow:hidden;
  max-height:0;opacity:0;transition:max-height 180ms ease,opacity 180ms ease;
}
.nav-mobile.is-open{max-height:340px;opacity:1;}
.nav-mobile a{display:flex;align-items:center;min-height:48px;padding:0 22px;font-size:15px;border-bottom:1px solid var(--mk-line);color:var(--mk-text);}
.nav-mobile a:last-child{border-bottom:none;}
.nav-mobile a.is-active{color:var(--mk-brand);font-weight:600;background:var(--mk-brand-50);}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;min-height:360px;
  display:flex;align-items:center;
  padding:132px 0 64px;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 46%,rgba(255,255,255,.62) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mk-muted);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:var(--mk-text);}
.crumbs a:hover{color:var(--mk-brand);}
.crumbs span.sep{color:var(--mk-line);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--mk-brand-50);color:var(--mk-brand);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--mk-accent);display:block;}
.page-hero h1{font-size:44px;line-height:1.2;font-weight:700;max-width:760px;}
.page-hero p.lead{margin-top:16px;font-size:17px;color:var(--mk-text);max-width:640px;line-height:1.8;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  cursor:pointer;
}
.btn-primary{background:var(--mk-brand);color:#fff;box-shadow:0 10px 22px -14px rgba(47,91,227,.95);}
.btn-primary:hover{background:var(--mk-brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:#fff;color:var(--mk-title);border:1px solid var(--mk-line);}
.btn-ghost:hover{border-color:var(--mk-brand);background:var(--mk-brand-50);color:var(--mk-brand-dark);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--mk-surface-alt);}
.section-head{max-width:720px;}
.section-head h2{font-size:30px;line-height:1.3;margin-top:12px;}
.section-head p{margin-top:14px;font-size:16px;color:var(--mk-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--mk-brand);letter-spacing:.04em;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--mk-accent);}

/* ============ 资料列表 ============ */
.res-shell{
  margin-top:40px;background:#fff;border:1px solid var(--mk-line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
}
.res-item{
  display:grid;grid-template-columns:56px minmax(0,1fr) 150px;
  gap:20px;align-items:center;padding:24px 26px;
  border-bottom:1px solid var(--mk-line);
  transition:background var(--ease);
}
.res-item:last-child{border-bottom:none;}
.res-item:hover{background:#FBFCFE;}
.res-icon{
  width:56px;height:56px;border-radius:14px;background:var(--mk-brand-50);
  display:flex;align-items:center;justify-content:center;color:var(--mk-brand);
  font-size:20px;font-weight:700;
}
.res-body h3{font-size:19px;line-height:1.45;}
.res-body p{margin-top:8px;font-size:14px;color:var(--mk-text);line-height:1.75;}
.res-meta{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--mk-brand-50);color:var(--mk-brand);
}
.tag-accent{background:#FFF3E6;color:#B85F0A;}
.res-meta .meta-text{font-size:13px;color:var(--mk-muted);}
.res-action{display:flex;justify-content:flex-end;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;margin-top:40px;}
.faq-item{border-bottom:1px solid var(--mk-line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--mk-title);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--mk-brand);}
.faq-arrow{
  flex:0 0 auto;width:22px;height:22px;margin-top:4px;border-radius:50%;
  border:1px solid var(--mk-line);display:flex;align-items:center;justify-content:center;
  color:var(--mk-muted);font-size:13px;transition:transform var(--ease),color var(--ease),border-color var(--ease);
}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);color:var(--mk-brand);border-color:var(--mk-brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a-inner{padding:0 30px 24px 0;font-size:15px;color:var(--mk-text);line-height:1.8;}

/* ============ 表单 ============ */
.form-wrap{
  margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;
}
.form-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:32px;
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--mk-muted);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--mk-line);border-radius:var(--radius-field);
  background:#fff;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:106px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--mk-brand);box-shadow:0 0 0 4px var(--mk-brand-50);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note{font-size:13px;color:var(--mk-muted);margin-top:14px;line-height:1.7;}
.info-list li{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--mk-line);
}
.info-list li:last-child{border-bottom:none;}
.info-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--mk-brand-50);
  color:var(--mk-brand);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:3px;
}
.info-list h4{font-size:16px;margin-bottom:6px;}
.info-list p{font-size:14px;color:var(--mk-text);line-height:1.75;}

/* ============ CTA 条 ============ */
.cta-band{background:var(--mk-brand-50);padding:56px 0;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:34px 36px;flex-wrap:wrap;
}
.cta-inner h2{font-size:24px;line-height:1.35;}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--mk-text);max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--mk-surface-alt);border-top:1px solid var(--mk-line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--mk-title);}
.footer-text{margin-top:16px;font-size:14px;color:var(--mk-text);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a,.footer-col ul li p{font-size:14px;color:var(--mk-text);line-height:1.7;transition:color var(--ease);}
.footer-col ul li a:hover{color:var(--mk-brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--mk-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--mk-muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-burger{display:flex;}
  .nav-cta{height:38px;padding:0 16px;font-size:14px;}
  .page-hero h1{font-size:38px;}
  .res-item{grid-template-columns:52px minmax(0,1fr);gap:16px;}
  .res-action{grid-column:1 / -1;justify-content:flex-start;}
  .faq-grid{grid-template-columns:1fr;gap:0;}
  .form-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero{min-height:320px;padding:112px 0 48px;}
  .page-hero h1{font-size:28px;}
  .page-hero p.lead{font-size:15px;}
  .section-head h2{font-size:22px;}
  .res-item{padding:20px 18px;}
  .res-body h3{font-size:17px;}
  .cta-inner{padding:26px 22px;}
  .cta-inner h2{font-size:20px;}
  .form-card{padding:24px 20px;}
  .brand-text{font-size:16px;}
}
@media (max-width:520px){
  .nav-shell{padding:6px 10px 6px 12px;gap:10px;}
  .nav-cta{display:none;}
  .hero-actions .btn{width:100%;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .res-icon{width:46px;height:46px;border-radius:12px;font-size:17px;}
}