/* roulang page: index */
:root{
  --c-primary:#1E3F73;
  --c-primary-600:#2B5BA8;
  --c-accent:#FF6A2B;
  --c-accent-soft:#FFEDE4;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#0E1B2E;
  --c-text-mute:#5B6B82;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,27,46,.05);
  --sh-2:0 8px 28px rgba(14,27,46,.06);
  --sh-3:0 14px 34px rgba(14,27,46,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;border-radius:var(--r-img)}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:84px 0}}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60}
.topbar{background:var(--c-primary);color:#fff}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;height:36px;font-size:12.5px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.02em;white-space:nowrap}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35)}
.topbar-note{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-link{color:rgba(255,255,255,.9);font-size:12.5px}
.topbar-link:hover{color:#fff}
@media(max-width:639px){
  .topbar-note,.topbar-right .topbar-link:last-child{display:none}
}
.navbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-primary);font-size:19px;font-weight:700;letter-spacing:.01em}
.brand:hover{color:var(--c-primary)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-sub{font-size:11px;font-weight:500;color:var(--c-text-mute);letter-spacing:.08em}
.nav-links{display:none;align-items:center;gap:2px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 11px;font-size:14.5px;color:#33465f;font-weight:500;border-radius:8px}
.nav-link::after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover{color:var(--c-primary);background:#f6f8fb}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-primary);background:#fff;transition:.2s}
.icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;white-space:nowrap}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24)}
.btn-primary:hover{background:#f25b1c;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.3)}
.btn-primary:active{transform:translateY(0);background:#e3520f}
.btn-ghost{background:#fff;color:var(--c-primary);border:1px solid #c8d6e8}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-block{width:100%}
.nav-cta{display:none}
@media(min-width:768px){.nav-cta{display:inline-flex}}
.burger{display:inline-flex}
@media(min-width:1024px){.burger{display:none}}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,27,46,.45);z-index:90;opacity:0;transition:opacity .25s ease}
.drawer-mask.show{opacity:1}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;background:#fff;z-index:100;transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(14,27,46,.16)}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:36px;height:36px;border-radius:9px;background:var(--c-bg);color:var(--c-primary);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
.drawer-close:hover{background:var(--c-accent-soft);color:var(--c-accent)}
.drawer-nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1}
.drawer-link{padding:12px 14px;border-radius:10px;font-size:15px;color:#33465f;font-weight:500}
.drawer-link:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-link.active{background:var(--c-accent-soft);color:var(--c-accent);font-weight:600}
.drawer-foot{padding:16px 18px 22px;border-top:1px solid var(--c-line)}

/* ---------- hero ---------- */
.hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-120px;right:-140px;width:420px;height:420px;border-radius:50%;background:var(--c-accent-soft);opacity:.55;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:34px;padding-top:44px;padding-bottom:44px}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:1fr 1fr;gap:52px;padding-top:68px;padding-bottom:68px;align-items:center}
}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--c-accent-soft);color:#d1490d;font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:18px}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.hero-title{font-size:clamp(26px,4.4vw,44px);line-height:1.25;font-weight:700;color:var(--c-primary);letter-spacing:-.01em}
.hero-sub{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--c-text-mute);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{margin-top:26px;display:grid;gap:10px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:#33465f}
.hero-points li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:50%;background:var(--c-accent-soft);box-shadow:inset 0 0 0 4px var(--c-accent)}
.hero-visual{position:relative}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-2)}
.hero-float{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.95);border:1px solid var(--c-line);border-radius:12px;padding:12px 16px;box-shadow:var(--sh-2);backdrop-filter:blur(4px)}
.hero-float strong{display:block;font-size:20px;color:var(--c-primary);line-height:1.2}
.hero-float span{font-size:12.5px;color:var(--c-text-mute)}

/* ---------- stats ---------- */
.stats{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;padding:28px 0}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:0}}
.stat{padding-left:18px;border-left:2px solid var(--c-line)}
@media(min-width:768px){.stat{padding-left:24px}}
.stat-num{font-size:28px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-num em{font-size:15px;font-style:normal;font-weight:600;color:var(--c-accent);margin-left:2px}
.stat-label{font-size:13.5px;color:var(--c-text-mute);margin-top:2px}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:28px}
.sec-title{position:relative;padding-left:14px;font-size:clamp(21px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--c-primary);margin:0}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--c-accent)}
.sec-desc{margin-top:10px;font-size:15px;color:var(--c-text-mute);max-width:640px}
.sec-more{font-size:14.5px;font-weight:600;color:var(--c-primary-600);display:inline-flex;align-items:center;gap:6px;padding-bottom:2px;border-bottom:2px solid transparent}
.sec-more:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}

/* ---------- catalog ---------- */
.cat-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.chip{padding:7px 16px;border-radius:999px;border:1px solid var(--c-line);background:#fff;font-size:13px;color:var(--c-text-mute);transition:.2s}
.chip:hover{border-color:var(--c-accent);color:var(--c-accent)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.cat-list{display:grid;gap:14px}
.cat-row{position:relative;display:flex;align-items:center;gap:16px;padding:16px 18px;background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.cat-row::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);opacity:0;transition:opacity .25s ease}
.cat-row:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:#ccd9e8}
.cat-row:hover::before{opacity:1}
.cat-num{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:1px solid #ccd9e8;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:var(--c-primary);transition:.25s}
.cat-row:hover .cat-num{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft)}
.cat-body{min-width:0;flex:1}
.cat-name{font-size:16.5px;font-weight:600;color:var(--c-text);line-height:1.45}
.cat-row:hover .cat-name{color:var(--c-primary)}
.cat-note{font-size:13.5px;color:var(--c-text-mute);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cat-count{font-size:12px;color:var(--c-text-mute);white-space:nowrap;display:none}
@media(min-width:640px){.cat-count{display:block}}
.cat-arrow{flex:0 0 auto;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-primary-600);background:#fff;transition:.25s}
.cat-row:hover .cat-arrow{background:var(--c-accent);border-color:var(--c-accent);color:#fff}

/* ---------- featured ---------- */
.feature-layout{display:grid;gap:20px}
@media(min-width:1024px){.feature-layout{grid-template-columns:1.05fr 1fr;gap:28px;align-items:start}}
.feature-hero{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.feature-hero:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.feature-hero img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.feature-hero-body{padding:22px}
.badge{display:inline-block;padding:4px 10px;border-radius:6px;background:var(--c-accent-soft);color:#d1490d;font-size:12px;font-weight:600;letter-spacing:.04em}
.badge-outline{background:transparent;border:1px solid var(--c-primary-600);color:var(--c-primary-600)}
.feature-hero h3{font-size:21px;line-height:1.5;font-weight:600;margin-top:12px;color:var(--c-text)}
.feature-hero:hover h3{color:var(--c-primary)}
.feature-hero p{font-size:14.5px;color:var(--c-text-mute);margin-top:8px;line-height:1.8}
.mini-list{display:grid;gap:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.mini-row{display:flex;align-items:center;gap:14px;padding:16px 18px;border-bottom:1px solid var(--c-line);transition:background .2s ease}
.mini-row:last-child{border-bottom:0}
.mini-row:hover{background:#f8fafd}
.mini-row img{width:72px;height:72px;flex:0 0 auto;object-fit:cover;border-radius:10px}
.mini-body{min-width:0;flex:1}
.mini-body h3{font-size:15.5px;font-weight:600;color:var(--c-text);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.mini-row:hover .mini-body h3{color:var(--c-primary)}
.mini-body p{font-size:13px;color:var(--c-text-mute);margin-top:4px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.mini-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--c-text-mute)}
.mini-arrow{flex:0 0 auto;color:#b3c2d4;font-size:18px}
.mini-row:hover .mini-arrow{color:var(--c-accent)}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#ccd9e8}
.post-card h3{font-size:16px;line-height:1.55;font-weight:600;color:var(--c-text);margin-top:10px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-card:hover h3{color:var(--c-primary)}
.post-desc{font-size:13.5px;line-height:1.8;color:var(--c-text-mute);margin-top:8px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--c-text-mute)}
.empty-state{border:1.5px dashed #c6d4e5;border-radius:var(--r-card);background:#fbfcfe;padding:44px 24px;text-align:center;color:var(--c-text-mute);font-size:15px}
.empty-state strong{display:block;color:var(--c-primary);font-size:16px;font-weight:600;margin-bottom:6px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:22px}}
.step{padding:22px 20px;background:#fff;border:1px solid var(--c-line);border-radius:14px;transition:.25s;box-shadow:var(--sh-1)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#ccd9e8}
.step-num{font-size:26px;font-weight:700;color:var(--c-primary);letter-spacing:.02em;line-height:1}
.step-num::after{content:"";display:block;width:26px;height:3px;border-radius:2px;background:var(--c-accent);margin-top:12px}
.step h3{font-size:16.5px;font-weight:600;margin-top:14px;color:var(--c-text)}
.step p{font-size:14px;color:var(--c-text-mute);margin-top:6px;line-height:1.8}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:768px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:16px}}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#ccd9e8;box-shadow:var(--sh-1)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px;font-size:15.5px;font-weight:600;color:var(--c-text);line-height:1.5;transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-accent-soft);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:600;line-height:1;transition:transform .25s ease}
.faq-item[open] summary{color:var(--c-primary);box-shadow:inset 3px 0 0 var(--c-accent)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-body{padding:0 20px 18px;font-size:14.5px;line-height:1.85;color:var(--c-text-mute)}

/* ---------- cta ---------- */
.cta-banner{position:relative;overflow:hidden;border-radius:20px;background:var(--c-primary);color:#fff;padding:38px 26px;display:grid;gap:26px}
@media(min-width:900px){.cta-banner{grid-template-columns:1.4fr .9fr;align-items:center;padding:48px 44px}}
.cta-banner::after{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:rgba(255,106,43,.22);pointer-events:none}
.cta-banner h2{font-size:clamp(21px,3vw,30px);line-height:1.35;font-weight:700;position:relative}
.cta-banner p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.cta-visual{position:relative}
.cta-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;box-shadow:0 18px 40px rgba(0,0,0,.22)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.78);margin-top:0}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding:48px 0 34px}
@media(min-width:768px){.footer-top{grid-template-columns:1.3fr 1fr 1fr;gap:40px;padding:56px 0 40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:700}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary)}
.footer-brand:hover{color:#fff}
.footer-text{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-info{display:grid;gap:9px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.58)}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ---------- misc ---------- */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.bg-soft{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
@media(max-width:520px){
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .mini-row img{width:60px;height:60px}
  .cat-note{white-space:normal;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
}

/* roulang page: article */
:root{
    --c-primary:#1E3F73;
    --c-primary-600:#2B5BA8;
    --c-accent:#FF6A2B;
    --c-accent-deep:#EA5A1B;
    --c-accent-soft:#FFEDE4;
    --c-bg:#F5F7FA;
    --c-surface:#FFFFFF;
    --c-line:#E4EAF2;
    --c-text:#0E1B2E;
    --c-text-mute:#5B6B82;
    --radius-card:16px;
    --radius-img:12px;
    --radius-btn:10px;
    --shadow-1:0 1px 2px rgba(14,27,46,.05);
    --shadow-2:0 8px 28px rgba(14,27,46,.06);
    --shadow-3:0 14px 34px rgba(14,27,46,.10);
    --font-base:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body.site-page{
    margin:0;
    font-family:var(--font-base);
    background:var(--c-bg);
    color:var(--c-text);
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  body.site-page a{color:inherit;text-decoration:none}
  body.site-page img{max-width:100%;display:block}
  body.site-page button{font-family:inherit;cursor:pointer}
  body.site-page h1,body.site-page h2,body.site-page h3,body.site-page h4,body.site-page p,body.site-page ul,body.site-page ol,body.site-page figure{margin:0}
  body.site-page ul,body.site-page ol{padding-left:0;list-style:none}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.wrap{padding:0 32px}}

  /* ============ 顶部信息条 ============ */
  .topbar{background:var(--c-primary);color:#fff;font-size:12.5px;letter-spacing:.02em}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
  .topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0}
  .topbar-domain{font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
  .topbar-divider{width:1px;height:13px;background:rgba(255,255,255,.35);display:inline-block}
  .topbar-note{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .topbar-link{color:rgba(255,255,255,.86);transition:color .2s ease;white-space:nowrap}
  .topbar-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
  @media (max-width:767px){
    .topbar-note{display:none}
    .topbar-right .topbar-link:first-child{display:none}
  }

  /* ============ 主导航 ============ */
  .site-header{position:sticky;top:0;z-index:60}
  .navbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-1)}
  .nav-inner{display:flex;align-items:center;gap:20px;min-height:68px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:38px;height:38px;border-radius:10px;background:var(--c-primary);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;
    letter-spacing:.02em;box-shadow:0 4px 12px rgba(30,63,115,.22);flex-shrink:0;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text > span:first-child{font-weight:700;font-size:17px;color:var(--c-text);letter-spacing:.01em}
  .brand-sub{font-size:10.5px;color:var(--c-text-mute);letter-spacing:.06em;font-weight:500;margin-top:3px}
  .nav-links{display:flex;align-items:center;gap:22px;margin:0 auto}
  .nav-link{
    position:relative;font-size:15px;color:var(--c-text);padding:23px 0;
    transition:color .2s ease;white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;background:var(--c-accent);
    transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px;
  }
  .nav-link:hover{color:var(--c-primary-600)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.active{color:var(--c-primary);font-weight:600}
  .nav-link.active::after{transform:scaleX(1)}
  .nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
  .icon-btn{
    width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
    color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
    transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
  }
  .icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
    border:1px solid transparent;transition:all .22s ease;white-space:nowrap;line-height:1.4;
  }
  .btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.26)}
  .btn-primary:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.32)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
  .btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
  .btn-soft{background:var(--c-accent-soft);color:var(--c-accent-deep);border-color:transparent}
  .btn-soft:hover{background:#FFE1D2;transform:translateY(-1px)}
  .burger{display:none}
  @media (max-width:1180px){
    .nav-links{gap:16px}
    .nav-link{font-size:14px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-cta{display:none}
    .burger{display:inline-flex}
  }
  @media (max-width:480px){
    .brand-sub{display:none}
    .nav-inner{min-height:62px}
  }

  /* ============ 移动抽屉 ============ */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(14,27,46,.45);opacity:0;pointer-events:none;
    transition:opacity .28s ease;z-index:110;
  }
  .drawer-mask.open{opacity:1;pointer-events:auto}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:120;
    transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
    padding:20px;overflow-y:auto;box-shadow:-20px 0 44px rgba(14,27,46,.18);
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .drawer-title{font-weight:700;font-size:16px;color:var(--c-primary)}
  .drawer-close{width:36px;height:36px;border-radius:9px;border:1px solid var(--c-line);background:#fff;color:var(--c-text-mute);display:inline-flex;align-items:center;justify-content:center}
  .drawer-close:hover{color:var(--c-accent);border-color:var(--c-accent)}
  .drawer-links{display:flex;flex-direction:column}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:14px 4px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-text);
    transition:color .2s ease,padding-left .2s ease;
  }
  .drawer-link:hover{color:var(--c-accent);padding-left:8px}
  .drawer-link.active{color:var(--c-primary);font-weight:600}
  .drawer-link span.dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);opacity:0}
  .drawer-link.active span.dot{opacity:1}
  .drawer-cta{margin-top:22px;width:100%}

  /* ============ 文章头部 ============ */
  .article-hero{
    background:linear-gradient(180deg,#FFFFFF 0%,#F9FBFD 100%);
    border-bottom:1px solid var(--c-line);
    padding:26px 0 40px;
  }
  .breadcrumb{font-size:13.5px;color:var(--c-text-mute);margin-bottom:22px}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
  .breadcrumb a{color:var(--c-text-mute);transition:color .2s ease}
  .breadcrumb a:hover{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:3px}
  .breadcrumb li::after{content:"/";margin-left:8px;color:#C3CDDC}
  .breadcrumb li:last-child::after{content:""}
  .breadcrumb li[aria-current]{color:var(--c-primary);font-weight:600;max-width:min(52vw,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:6px;
    background:var(--c-accent-soft);color:var(--c-accent-deep);
    font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1.6;
  }
  .badge-outline{background:transparent;border:1px solid rgba(30,63,115,.28);color:var(--c-primary)}
  .article-head{max-width:840px}
  .article-head h1{
    font-size:clamp(26px,3.6vw,42px);line-height:1.3;font-weight:700;color:var(--c-text);
    margin:16px 0 18px;letter-spacing:-.01em;
  }
  .meta-row{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-text-mute);
    font-variant-numeric:tabular-nums;
  }
  .meta-row .sep{width:1px;height:12px;background:#D2DBE8;display:inline-block}

  /* ============ 正文布局 ============ */
  .article-shell{padding:44px 0 64px}
  .article-layout{
    display:grid;grid-template-columns:minmax(0,760px) 240px;gap:40px;
    justify-content:center;align-items:start;
  }
  .article-layout.no-toc{grid-template-columns:minmax(0,800px);max-width:800px;margin:0 auto}
  .article-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-2);padding:36px;
  }
  .article-cover{margin-bottom:30px}
  .article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);background:#E9EEF5}
  .article-cover figcaption{font-size:13px;color:var(--c-text-mute);text-align:center;margin-top:10px}

  .article-body{font-size:16px;line-height:1.85;color:var(--c-text);word-break:break-word}
  .article-body p{margin:0 0 18px}
  .article-body h2{
    position:relative;font-size:25px;line-height:1.4;font-weight:700;color:var(--c-text);
    margin:42px 0 16px;padding-left:15px;
  }
  .article-body h2::before{
    content:"";position:absolute;left:0;top:.32em;width:4px;height:1.02em;
    background:var(--c-accent);border-radius:3px;
  }
  .article-body h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-primary);margin:30px 0 12px}
  .article-body h4{font-size:17px;font-weight:600;color:var(--c-text);margin:24px 0 10px}
  .article-body ul,.article-body ol{margin:0 0 20px;padding-left:1.3em}
  .article-body ul{list-style:disc}
  .article-body ol{list-style:decimal}
  .article-body li{margin-bottom:9px;line-height:1.8}
  .article-body li::marker{color:var(--c-accent);font-weight:700}
  .article-body a{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease}
  .article-body a:hover{color:var(--c-accent)}
  .article-body strong{color:var(--c-primary);font-weight:600}
  .article-body blockquote{
    margin:24px 0;padding:16px 20px;background:#FFF8F4;border-left:3px solid var(--c-accent);
    border-radius:0 10px 10px 0;color:var(--c-text-mute);font-size:15.5px;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:var(--radius-img);margin:20px 0;height:auto}
  .article-body figure{margin:24px 0}
  .article-body figcaption{font-size:13px;color:var(--c-text-mute);text-align:center;margin-top:10px}
  .article-body table{
    display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;
    font-size:14.5px;border:1px solid var(--c-line);border-radius:10px;
    font-variant-numeric:tabular-nums;
  }
  .article-body th{background:#F0F4FA;color:var(--c-primary);font-weight:600;text-align:left}
  .article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--c-line);white-space:nowrap}
  .article-body tbody tr:nth-child(even){background:#FAFBFD}
  .article-body tbody tr:hover{background:#F3F7FC}
  .article-body tbody tr:last-child td{border-bottom:none}
  .article-body code{background:#F0F4FA;color:var(--c-primary-600);padding:2px 6px;border-radius:6px;font-size:14px}
  .article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}

  /* ============ 目录 ============ */
  .toc{
    position:sticky;top:96px;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:20px;
  }
  .toc-title{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.06em;margin-bottom:12px}
  .toc-list{display:flex;flex-direction:column;gap:2px}
  .toc-link{
    display:block;font-size:13.5px;line-height:1.6;color:var(--c-text-mute);
    padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
    transition:all .2s ease;
  }
  .toc-link:hover{color:var(--c-primary);background:#F5F8FC}
  .toc-link.is-current{color:var(--c-primary);border-left-color:var(--c-accent);background:#FFF8F4;font-weight:600}
  .toc-link.depth-3{padding-left:22px;font-size:13px}
  @media (max-width:1023px){
    .article-layout,.article-layout.no-toc{grid-template-columns:minmax(0,1fr);max-width:none}
    .toc{display:none}
  }

  /* ============ 空态 ============ */
  .empty-state{
    text-align:center;padding:56px 20px;border:1px dashed #C9D5E4;border-radius:14px;background:#FAFCFE;
  }
  .empty-state h2{font-size:20px;color:var(--c-primary);margin-bottom:10px}
  .empty-state p{color:var(--c-text-mute);font-size:15px;margin-bottom:22px}

  /* ============ 文末行动区 ============ */
  .article-end{
    margin-top:40px;padding:26px;border-radius:14px;
    background:linear-gradient(135deg,#F3F7FD 0%,#FFEDE4 100%);
    border:1px solid #E6EEF8;
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  }
  .article-end h2{font-size:19px;color:var(--c-primary);margin-bottom:6px}
  .article-end p{font-size:14px;color:var(--c-text-mute)}
  .article-end-actions{display:flex;flex-wrap:wrap;gap:10px}

  /* ============ 相关推荐 ============ */
  .related{padding:0 0 72px}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:24px}
  .section-head h2{font-size:clamp(21px,2.4vw,27px);line-height:1.4;font-weight:700;color:var(--c-text);position:relative;padding-left:15px}
  .section-head h2::before{
    content:"";position:absolute;left:0;top:.34em;width:4px;height:1em;background:var(--c-accent);border-radius:3px;
  }
  .section-head p{font-size:14px;color:var(--c-text-mute)}
  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .post-card{
    display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:#D5E1F0}
  .post-card figure{margin:0}
  .post-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#E9EEF5}
  .post-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
  .post-card h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--c-text);transition:color .2s ease}
  .post-card:hover h3{color:var(--c-primary)}
  .post-card p{font-size:14px;color:var(--c-text-mute);line-height:1.75}
  .post-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-mute);padding-top:6px}
  .arrow-link{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:13.5px}
  .arrow-link svg{transition:transform .2s ease}
  .post-card:hover .arrow-link svg{transform:translateX(4px)}
  @media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:640px){.card-grid{grid-template-columns:1fr}}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--c-primary);color:rgba(255,255,255,.8);padding:56px 0 24px;margin-top:0}
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14)}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
  .footer-brand .brand-mark{background:var(--c-accent);box-shadow:none}
  .footer-text{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:360px}
  .footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.04em}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
  .footer-links a:hover{color:#fff;transform:translateX(3px)}
  .footer-info{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.72);font-variant-numeric:tabular-nums}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:20px;font-size:13px;color:rgba(255,255,255,.6)}
  @media (max-width:899px){
    .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:600px){
    .footer-top{grid-template-columns:1fr}
    .article-card{padding:22px}
    .article-shell{padding:30px 0 48px}
    .article-end{padding:20px}
    .related{padding-bottom:52px}
  }

/* roulang page: category1 */
:root{
  --c-primary:#1E3F73;
  --c-primary-600:#2B5BA8;
  --c-accent:#FF6A2B;
  --c-accent-soft:#FFEDE4;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#0E1B2E;
  --c-text-mute:#5B6B82;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,27,46,.05);
  --shadow-2:0 8px 28px rgba(14,27,46,.06);
  --shadow-3:0 14px 34px rgba(14,27,46,.10);
  --space-section:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:999}
.skip-link:focus{left:0}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.wrap{padding-left:32px;padding-right:32px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary);color:#fff;font-size:12.5px;letter-spacing:.01em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:38px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35);flex:none}
.topbar-note{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}
.topbar-link{color:rgba(255,255,255,.86);white-space:nowrap}
.topbar-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
@media(max-width:768px){
  .topbar-divider,.topbar-note{display:none}
  .topbar-right .topbar-link:first-child{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.navbar{background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;flex:none;display:grid;place-items:center;
  background:var(--c-primary);color:#fff;border-radius:10px;
  font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(30,63,115,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text > span:first-child{font-size:17px;font-weight:800;color:var(--c-primary);letter-spacing:.01em}
.brand-sub{font-size:11.5px;color:var(--c-text-mute);font-weight:500;letter-spacing:.04em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--c-text-mute);padding:6px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-primary-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  color:var(--c-primary);border:1px solid var(--c-line);background:#fff;transition:all .2s ease;
}
.icon-btn:hover{background:var(--c-accent-soft);border-color:#FFD2BC;color:var(--c-accent)}
.burger{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);font-size:14.5px;font-weight:600;
  border:1px solid transparent;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.26)}
.btn-primary:hover{background:#F25C1C;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#C9D6E9}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#F2F6FC;transform:translateY(-1px)}
.nav-cta{padding:9px 18px;font-size:14px}
@media(max-width:1080px){
  .nav-links{display:none}
  .burger{display:grid}
}
@media(max-width:520px){
  .nav-cta{display:none}
  .brand-text > span:first-child{font-size:15.5px}
  .brand-sub{display:none}
}

/* ---------- 抽屉菜单 ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(14,27,46,.45);opacity:0;visibility:hidden;
  transition:opacity .26s ease,visibility .26s ease;z-index:80;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;box-shadow:-16px 0 40px rgba(14,27,46,.18);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-primary)}
.drawer-body{padding:14px 12px;overflow-y:auto;flex:1}
.drawer-link{display:block;padding:13px 14px;border-radius:10px;font-size:15px;color:var(--c-text);font-weight:500}
.drawer-link:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-link.active{background:var(--c-accent-soft);color:#D9500F;font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line)}
.drawer-foot .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--c-text-mute);padding:14px 0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:#B8C5D6}
.crumb .current{color:var(--c-primary);font-weight:600}

/* ---------- 页头 ---------- */
.page-head{padding:36px 0 0}
.page-head-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:900px){.page-head-grid{grid-template-columns:1.35fr .65fr;gap:40px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-accent-soft);color:#D9500F;
  font-size:12px;font-weight:700;letter-spacing:.06em;padding:6px 12px;border-radius:999px;
}
.page-head h1{font-size:clamp(26px,4.2vw,40px);line-height:1.25;margin:16px 0 14px;letter-spacing:-.01em}
.page-head h1 em{font-style:normal;color:var(--c-primary)}
.page-head p.lead{font-size:16px;color:var(--c-text-mute);max-width:620px}
.head-metrics{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px}
.metric{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:12px 16px;
  box-shadow:var(--shadow-1);min-width:120px;
}
.metric b{display:block;font-size:22px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{font-size:12.5px;color:var(--c-text-mute)}
.head-figure{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-2);aspect-ratio:4/3;background:#DDE5F0}
.head-figure img{width:100%;height:100%;object-fit:cover}
.head-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;color:#fff;font-size:13px;
  background:linear-gradient(180deg,rgba(14,27,46,0) 0%,rgba(14,27,46,.78) 100%);
}

/* ---------- 内页主体布局 ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:28px;padding:44px 0 var(--space-section)}
@media(min-width:1024px){.layout{grid-template-columns:250px minmax(0,1fr);gap:34px;padding-top:52px}}

.side-nav{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:18px 14px}
.side-nav h2{font-size:12px;letter-spacing:.08em;color:var(--c-text-mute);font-weight:700;padding:0 8px 10px;text-transform:uppercase}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 10px;border-radius:8px;font-size:14px;color:var(--c-text-mute);font-weight:500;
  box-shadow:inset 0 0 0 0 var(--c-accent);transition:all .2s ease;
}
.side-link:hover{background:var(--c-bg);color:var(--c-primary-600);padding-left:14px}
.side-link.active{background:var(--c-accent-soft);color:#C7460A;font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent)}
.side-link .num{font-size:11.5px;color:#9AA9BD;font-variant-numeric:tabular-nums}
.side-link.active .num{color:#E2733C}
@media(max-width:1023px){
  .side-nav{padding:14px 12px}
  .side-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;scrollbar-width:thin}
  .side-link{white-space:nowrap;background:var(--c-bg);padding:8px 14px;border-radius:999px;font-size:13.5px}
  .side-link .num{display:none}
  .side-link:hover{padding-left:14px}
  .side-link.active{box-shadow:none;background:var(--c-accent);color:#fff}
}

/* ---------- 主体区块通用 ---------- */
.panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);padding:22px}
@media(min-width:768px){.panel{padding:30px}}
.panel + .panel{margin-top:26px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.sec-head h2{font-size:clamp(20px,2.6vw,26px);position:relative;padding-left:14px}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-accent)}
.sec-head p{font-size:14px;color:var(--c-text-mute);max-width:520px}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary-600);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--c-accent)}

/* ---------- 图录网格 ---------- */
.gallery-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.gallery-grid{grid-template-columns:repeat(2,1fr);gap:22px}}
@media(min-width:1180px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
.gal-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.gal-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D6E1F0}
.gal-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#E7EDF5}
.gal-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.gal-card:hover .gal-media img{transform:scale(1.04)}
.gal-media .tag{
  position:absolute;left:12px;top:12px;background:rgba(255,237,228,.95);color:#C7460A;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;letter-spacing:.02em;
}
.gal-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.gal-body h3{font-size:17px;font-weight:700;line-height:1.5}
.gal-card:hover .gal-body h3{color:var(--c-primary-600)}
.gal-body p{
  font-size:14px;color:var(--c-text-mute);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gal-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px dashed var(--c-line);font-size:12.5px;color:var(--c-text-mute);
  font-variant-numeric:tabular-nums;
}
.arrow-chip{
  width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:999px;
  background:var(--c-bg);color:var(--c-primary);transition:all .2s ease;
}
.gal-card:hover .arrow-chip{background:var(--c-accent);color:#fff;transform:translateX(2px)}

/* ---------- 预约步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  position:relative;background:var(--c-bg);border:1px solid var(--c-line);border-radius:14px;padding:20px 18px;
  transition:all .22s ease;
}
.step:hover{background:#fff;box-shadow:var(--shadow-2);transform:translateY(-2px)}
.step .no{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:#fff;border:1px solid #C9D6E9;color:var(--c-primary);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.step:hover .no{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--c-text-mute);line-height:1.7}

/* ---------- 须知列表 ---------- */
.check-list{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:768px){.check-list{grid-template-columns:repeat(2,1fr);gap:12px 26px}}
.check-item{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--c-text-mute);line-height:1.75}
.check-item .dot{
  width:18px;height:18px;flex:none;margin-top:4px;border-radius:6px;background:var(--c-accent-soft);
  color:#D9500F;display:grid;place-items:center;font-size:11px;font-weight:800;
}

/* ---------- FAQ ---------- */
details.faq{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease,border-color .2s ease;overflow:hidden;
}
details.faq + details.faq{margin-top:12px}
details.faq[open]{border-color:#FBD3C1;box-shadow:var(--shadow-2)}
details.faq summary{
  list-style:none;cursor:pointer;padding:16px 18px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:56px;
  position:relative;transition:color .2s ease;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary:hover{color:var(--c-primary-600)}
details.faq[open] summary{color:var(--c-primary)}
details.faq[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--c-accent);
}
.faq-icon{
  width:24px;height:24px;flex:none;border-radius:999px;background:var(--c-bg);color:var(--c-primary);
  display:grid;place-items:center;font-size:15px;font-weight:700;line-height:1;transition:all .25s ease;
}
details.faq[open] .faq-icon{background:var(--c-accent);color:#fff;transform:rotate(180deg)}
.faq-content{padding:0 18px 18px;font-size:14.5px;line-height:1.85;color:var(--c-text-mute)}
.faq-content strong{color:var(--c-text)}

/* ---------- 相关推荐 ---------- */
.rec-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:all .22s ease;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3)}
.rec-card .rec-media{aspect-ratio:16/10;background:#E7EDF5;overflow:hidden}
.rec-card .rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-media img{transform:scale(1.05)}
.rec-card .rec-body{padding:14px 16px 16px}
.rec-card h3{font-size:15.5px;line-height:1.5;margin-bottom:6px}
.rec-card:hover h3{color:var(--c-primary-600)}
.rec-card p{font-size:13px;color:var(--c-text-mute);line-height:1.7}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(135deg,#1E3F73 0%,#2B5BA8 100%);
  border-radius:var(--radius-card);color:#fff;padding:30px 24px;position:relative;overflow:hidden;
  box-shadow:var(--shadow-2);
}
@media(min-width:768px){.cta-band{padding:40px 40px}}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,106,43,.20);filter:blur(2px);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
@media(min-width:900px){.cta-inner{grid-template-columns:1.4fr .6fr}}
.cta-band h2{font-size:clamp(20px,2.8vw,27px);margin-bottom:10px;line-height:1.35}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.82);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.cta-figure{border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:rgba(255,255,255,.12)}
.cta-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.78);margin-top:var(--space-section);padding:52px 0 24px}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-info{display:grid;gap:9px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
  font-variant-numeric:tabular-nums;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E3F73;
  --c-primary-600:#2B5BA8;
  --c-primary-soft:#E8EEF8;
  --c-accent:#FF6A2B;
  --c-accent-dark:#E85A1C;
  --c-accent-soft:#FFEDE4;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#0E1B2E;
  --c-text-mute:#5B6B82;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,27,46,.05);
  --sh-2:0 8px 28px rgba(14,27,46,.06);
  --sh-3:0 14px 34px rgba(14,27,46,.10);
  --space:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90}
.topbar{background:var(--c-primary);color:#fff;font-size:12.5px;line-height:1;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;width:100%;gap:16px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:12px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35)}
.topbar-note{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:rgba(255,255,255,.86);white-space:nowrap;transition:color .2s}
.topbar-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.topbar-right .topbar-link:last-child{color:rgba(255,255,255,.7)}

.navbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text>span:first-child{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.01em}
.brand-sub{font-size:11.5px;color:var(--c-text-mute);letter-spacing:.04em;margin-top:2px}
.nav-links{display:none;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:8px 10px;font-size:14.5px;color:#334259;border-radius:8px;
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#3B4A60;
  border:1px solid var(--c-line);background:var(--c-surface);transition:all .2s;
}
.icon-btn:hover{color:var(--c-accent);border-color:var(--c-accent);background:var(--c-accent-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24)}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:#C9D6E8}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{padding:8px 16px;font-size:14px}
.nav-cta{display:none}
.burger{display:grid}

@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .burger{display:none}
}
@media(max-width:1023px){
  .nav-inner{height:62px}
  .brand-sub{display:none}
}
@media(max-width:640px){
  .topbar-right .topbar-link:last-child{display:none}
  .topbar-note{max-width:130px}
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,27,46,.5);z-index:120;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;background:var(--c-surface);
  z-index:130;display:flex;flex-direction:column;padding:20px;
  transform:translateX(105%);transition:transform .3s ease;box-shadow:-18px 0 40px rgba(14,27,46,.16);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-title{font-weight:700;color:var(--c-primary);font-size:16px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;padding:16px 0;overflow-y:auto}
.drawer-nav a{
  padding:12px 12px;border-radius:10px;font-size:15px;color:#334259;transition:all .2s;
  border-left:3px solid transparent;
}
.drawer-nav a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-nav a.active{background:var(--c-accent-soft);color:var(--c-primary);border-left-color:var(--c-accent);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);display:grid;gap:10px}

/* ---------- breadcrumb ---------- */
.breadcrumb{font-size:13.5px;color:var(--c-text-mute);margin-bottom:18px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B3C1D4}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb [aria-current]{color:var(--c-primary);font-weight:600}

/* ---------- page hero ---------- */
.page-hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);padding:34px 0 44px}
.page-hero-inner{display:grid;gap:32px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-accent-soft);color:#C4451A;
  font-size:12px;font-weight:700;letter-spacing:.06em;padding:6px 12px;border-radius:6px;
}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-accent)}
.page-hero h1{
  margin:16px 0 14px;font-size:clamp(25px,4.4vw,40px);line-height:1.28;font-weight:700;color:var(--c-primary);
  letter-spacing:-.01em;
}
.page-hero .lead{font-size:16px;color:var(--c-text-mute);max-width:640px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-thumb{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2)}
.hero-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-thumb figcaption{
  position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:8px;box-shadow:var(--sh-1);
}
@media(min-width:900px){.page-hero-inner{grid-template-columns:1.35fr .85fr}}
@media(max-width:899px){.hero-thumb{order:-1;max-width:460px}}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--c-line)}
.stat-cell{background:var(--c-surface);padding:22px 18px;text-align:center}
.stat-num{font-size:27px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:13px;font-weight:600;color:var(--c-text-mute);margin-left:3px}
.stat-label{font-size:13px;color:var(--c-text-mute);margin-top:6px}
@media(min-width:768px){.stat-grid{grid-template-columns:repeat(4,1fr)}}

/* ---------- layout ---------- */
.main-area{padding:56px 0 68px}
.layout{display:grid;gap:32px}
@media(min-width:1024px){.layout{grid-template-columns:236px minmax(0,1fr);gap:44px}}

.side-nav{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:10px;box-shadow:var(--sh-1)}
.side-nav-title{font-size:12px;font-weight:700;color:var(--c-text-mute);letter-spacing:.08em;padding:10px 12px 8px}
.side-nav-list{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.side-nav-list a{
  display:block;padding:10px 14px;border-radius:9px;font-size:14px;color:#334259;white-space:nowrap;
  border-left:3px solid transparent;transition:all .2s;
}
.side-nav-list a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.side-nav-list a.active{background:var(--c-accent-soft);color:var(--c-primary);font-weight:600;border-left-color:var(--c-accent)}
@media(min-width:1024px){
  .side-nav{position:sticky;top:120px}
  .side-nav-list{flex-direction:column;overflow:visible}
}

/* ---------- section head ---------- */
.section-head{margin-bottom:26px}
.section-head h2{
  position:relative;padding-left:14px;font-size:clamp(21px,2.6vw,28px);line-height:1.35;font-weight:700;color:var(--c-primary);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-accent);
}
.section-head p{margin-top:10px;font-size:14.5px;color:var(--c-text-mute);max-width:680px}

/* ---------- timeline ---------- */
.timeline{position:relative}
.tl-item{
  display:grid;grid-template-columns:104px 26px minmax(0,1fr);gap:16px;
  padding-bottom:26px;
}
.tl-date{
  text-align:right;padding-top:14px;font-variant-numeric:tabular-nums;
}
.tl-date strong{display:block;font-size:15px;font-weight:700;color:var(--c-primary);line-height:1.4}
.tl-date span{display:block;font-size:12.5px;color:var(--c-text-mute);line-height:1.6}
.tl-axis{position:relative;display:flex;justify-content:center}
.tl-axis::before{
  content:"";position:absolute;top:0;bottom:-26px;width:2px;background:var(--c-line);
}
.tl-item:last-child .tl-axis::before{display:none}
.tl-dot{
  position:relative;z-index:1;width:14px;height:14px;border-radius:50%;margin-top:19px;
  background:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-soft);
}
.tl-item.is-now .tl-dot{background:var(--c-accent);box-shadow:0 0 0 4px var(--c-accent-soft)}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);transition:transform .22s,box-shadow .22s,border-color .22s;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#CFDDEE}
.tl-card-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}
.tl-card h3{font-size:18.5px;font-weight:600;color:var(--c-text);line-height:1.5;transition:color .2s}
.tl-card:hover h3{color:var(--c-primary)}
.tl-card p{font-size:14.5px;color:var(--c-text-mute);line-height:1.8}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-text-mute);font-variant-numeric:tabular-nums}
.tl-meta span{display:inline-flex;align-items:center;gap:6px}
.tl-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:#C0CEDF}
.tl-date-inline{display:none;font-size:12.5px;color:var(--c-text-mute);margin-bottom:6px;font-variant-numeric:tabular-nums}
.tl-date-inline b{color:var(--c-primary)}

.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.03em;
  padding:4px 10px;border-radius:6px;background:var(--c-accent-soft);color:#C4451A;
}
.badge-outline{background:transparent;color:var(--c-primary);border:1px solid #C9D6E8}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary)}

@media(max-width:767px){
  .tl-item{grid-template-columns:minmax(0,1fr);gap:0;padding-bottom:20px}
  .tl-date{display:none}
  .tl-axis{display:none}
  .tl-date-inline{display:block}
  .tl-card{padding:18px}
}

/* ---------- prep panel ---------- */
.prep{
  margin-top:12px;background:linear-gradient(180deg,#FFFFFF 0%,#F7F9FC 100%);
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);
}
.prep-grid{display:grid;gap:18px;margin-top:18px}
.prep-item{display:flex;gap:14px;align-items:flex-start}
.prep-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;border:1px solid #C9D6E8;color:var(--c-primary);
  display:grid;place-items:center;font-size:13.5px;font-weight:700;font-variant-numeric:tabular-nums;background:#fff;
}
.prep-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
.prep-item p{font-size:14px;color:var(--c-text-mute);line-height:1.75}
@media(min-width:768px){.prep-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- related cards ---------- */
.related{margin-top:64px}
.card-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-2);display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.card-img{position:relative;overflow:hidden}
.card-img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:16.5px;font-weight:600;line-height:1.55;margin:10px 0 8px;transition:color .2s}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body p{font-size:14px;color:var(--c-text-mute);line-height:1.75}
.card-foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-mute)}
.card-arrow{
  width:30px;height:30px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;
  color:var(--c-primary);transition:all .2s;
}
.card:hover .card-arrow{background:var(--c-accent);border-color:var(--c-accent);color:#fff}

/* ---------- faq ---------- */
.faq-block{margin-top:64px}
.faq-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item+.faq-item{border-top:1px solid var(--c-line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:56px;cursor:pointer;font-size:15.5px;font-weight:600;color:#1B2C45;
  list-style:none;transition:background .2s,color .2s;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#F8FAFD;color:var(--c-primary)}
.faq-item summary::after{
  content:"+";flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:16px;font-weight:700;line-height:1;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item[open] summary{background:#F8FAFD;color:var(--c-primary)}
.faq-item[open] summary::after{content:"−";background:var(--c-accent-soft);color:var(--c-accent);transform:rotate(180deg)}
.faq-item[open] summary{border-left:3px solid var(--c-accent);padding-left:19px}
.faq-answer{padding:0 22px 20px;font-size:15px;color:var(--c-text-mute);line-height:1.8}

/* ---------- cta ---------- */
.cta-band{margin-top:64px}
.cta-inner{
  background:linear-gradient(120deg,#E9EFF9 0%,#F3F6FB 58%,#FFF1E9 100%);
  border:1px solid #DCE6F4;border-radius:20px;padding:32px 26px;
  display:grid;gap:24px;align-items:center;
}
.cta-inner h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;color:var(--c-primary);line-height:1.4}
.cta-inner p{margin-top:10px;font-size:14.5px;color:#42536B;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.cta-figure{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);max-width:420px}
.cta-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
@media(min-width:900px){.cta-inner{grid-template-columns:1.5fr .8fr;padding:40px 38px}}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary);color:rgba(255,255,255,.78);padding:52px 0 0;margin-top:72px}
.footer-top{display:grid;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14)}
@media(min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff}
.footer-text{margin-top:14px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.7)}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:14px}
.footer-links{display:grid;gap:10px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.72);transition:color .2s,transform .2s}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-info{display:grid;gap:10px;font-size:14px;color:rgba(255,255,255,.7)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}
@media(max-width:640px){.site-footer{padding-top:40px}.footer-bottom{font-size:12.5px}}

/* roulang page: category3 */
:root{
    --c-primary:#1E3F73;
    --c-primary-600:#2B5BA8;
    --c-accent:#FF6A2B;
    --c-accent-soft:#FFEDE4;
    --c-bg:#F5F7FA;
    --c-surface:#FFFFFF;
    --c-line:#E4EAF2;
    --c-text:#0E1B2E;
    --c-text-mute:#5B6B82;
    --r-card:16px;
    --r-img:12px;
    --r-btn:10px;
    --sh-1:0 1px 2px rgba(14,27,46,.05);
    --sh-2:0 8px 28px rgba(14,27,46,.06);
    --sh-3:0 14px 34px rgba(14,27,46,.10);
    --sec-gap:64px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--c-text);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
  .wrap{max-width:1200px;margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.wrap{padding:0 32px;}}

  /* ---------- topbar ---------- */
  .site-header{position:sticky;top:0;z-index:60;}
  .topbar{background:var(--c-primary);color:#fff;font-size:12.5px;}
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:36px;}
  .topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
  .topbar-domain{font-weight:600;letter-spacing:.02em;white-space:nowrap;}
  .topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35);}
  .topbar-note{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-right{display:flex;align-items:center;gap:18px;}
  .topbar-link{color:rgba(255,255,255,.86);transition:color .2s ease;white-space:nowrap;}
  .topbar-link:hover{color:#fff;}
  @media(max-width:767px){
    .topbar-note,.topbar-divider{display:none;}
    .topbar-right{gap:12px;}
    .topbar-right .topbar-link:last-child{display:none;}
  }

  /* ---------- navbar ---------- */
  .navbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1);}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;
    background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-600) 100%);
    color:#fff;font-weight:700;font-size:17px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 16px rgba(30,63,115,.24);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-text>span:first-child{font-size:17px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
  .brand-sub{font-size:11.5px;color:var(--c-text-mute);letter-spacing:.04em;font-weight:400;}
  .nav-links{display:none;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
  .nav-link{
    position:relative;display:inline-block;padding:10px 10px;
    font-size:14.5px;color:var(--c-text-mute);border-radius:8px;
    transition:color .2s ease,background-color .2s ease;white-space:nowrap;
  }
  .nav-link:hover{color:var(--c-primary);background:#F0F4FA;}
  .nav-link.active{color:var(--c-primary);font-weight:600;}
  .nav-link.active::after{
    content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;border-radius:2px;background:var(--c-accent);
  }
  .nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .icon-btn{
    width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
    color:var(--c-text-mute);cursor:pointer;transition:all .2s ease;
  }
  .icon-btn:hover{color:var(--c-primary);border-color:#C9D6E8;background:#F7FAFD;}
  .icon-btn:active{transform:translateY(1px);}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  @media(min-width:1024px){
    .nav-links{display:flex;}
    .nav-cta{display:inline-flex;}
    .burger{display:none;}
  }
  @media(min-width:768px) and (max-width:1023px){
    .nav-cta{display:inline-flex;}
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;line-height:1.2;
    border:1px solid transparent;cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  }
  .btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.26);}
  .btn-primary:hover{background:#F05A18;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.32);}
  .btn-primary:active{transform:translateY(0);background:#DE4F10;}
  .btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:#C9D6E8;}
  .btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-sm{padding:9px 16px;font-size:14px;}

  /* ---------- generic ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--c-accent-soft);color:#D9500F;
    font-size:12px;font-weight:600;letter-spacing:.04em;
    padding:5px 12px;border-radius:999px;
  }
  .badge-line{background:transparent;color:var(--c-primary);border:1px solid #C9D6E8;}
  .section{padding:var(--sec-gap) 0;}
  @media(min-width:1024px){.section{padding:88px 0;}}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
  .sec-title{font-size:26px;line-height:1.35;font-weight:700;color:var(--c-text);position:relative;padding-left:14px;}
  .sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--c-accent);}
  .sec-desc{font-size:14px;color:var(--c-text-mute);max-width:620px;margin-top:8px;padding-left:14px;}
  @media(min-width:768px){.sec-title{font-size:30px;}}
  .link-more{
    font-size:14px;font-weight:600;color:var(--c-primary-600);
    background-image:linear-gradient(var(--c-accent),var(--c-accent));
    background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
    padding-bottom:3px;transition:background-size .25s ease,color .2s ease;
  }
  .link-more:hover{color:var(--c-accent);background-size:100% 2px;}

  /* ---------- breadcrumb ---------- */
  .crumb{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
  .crumb ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13.5px;color:var(--c-text-mute);}
  .crumb li{display:flex;align-items:center;gap:8px;}
  .crumb li+li::before{content:"/";color:#B9C6D8;}
  .crumb a{color:var(--c-text-mute);transition:color .2s ease;}
  .crumb a:hover{color:var(--c-accent);}
  .crumb [aria-current="page"]{color:var(--c-text);font-weight:600;}

  /* ---------- page head ---------- */
  .page-head{background:var(--c-surface);position:relative;overflow:hidden;}
  .page-head::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:radial-gradient(#DDE6F2 1px,transparent 1px);
    background-size:18px 18px;opacity:.5;
    -webkit-mask-image:linear-gradient(100deg,transparent 42%,#000 100%);
    mask-image:linear-gradient(100deg,transparent 42%,#000 100%);
  }
  .page-head-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1fr;gap:26px;
    padding:40px 0 44px;
  }
  .page-head h1{font-size:clamp(26px,4vw,40px);line-height:1.28;font-weight:700;letter-spacing:-.01em;margin-top:14px;}
  .page-head h1 em{font-style:normal;color:var(--c-primary);}
  .page-lead{margin-top:14px;font-size:15.5px;color:var(--c-text-mute);max-width:640px;}
  .page-head-media{position:relative;}
  .page-head-media img{
    width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
    box-shadow:var(--sh-2);background:#E7EDF5;
  }
  .head-media-tag{
    position:absolute;left:14px;bottom:14px;
    background:rgba(255,255,255,.94);color:var(--c-primary);
    font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:8px;
    box-shadow:var(--sh-1);font-variant-numeric:tabular-nums;
  }
  @media(min-width:900px){
    .page-head-inner{grid-template-columns:1.35fr .85fr;align-items:center;gap:44px;padding:56px 0 60px;}
  }

  /* ---------- category switcher ---------- */
  .cat-switch{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
  .cat-switch-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
  .cat-switch-inner::-webkit-scrollbar{display:none;}
  .cat-chip{
    flex:0 0 auto;padding:9px 16px;border-radius:999px;
    font-size:14px;color:var(--c-text-mute);background:#F2F5FA;border:1px solid transparent;
    transition:all .2s ease;white-space:nowrap;
  }
  .cat-chip:hover{color:var(--c-primary);border-color:#C9D6E8;background:var(--c-surface);}
  .cat-chip.current{color:#fff;background:var(--c-primary);font-weight:600;box-shadow:0 6px 16px rgba(30,63,115,.2);}

  /* ---------- guide layout ---------- */
  .guide-layout{display:grid;grid-template-columns:1fr;gap:30px;align-items:start;}
  @media(min-width:1024px){.guide-layout{grid-template-columns:minmax(0,1fr) 300px;gap:38px;}}
  .guide-main{min-width:0;}
  .step-card{
    position:relative;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);
    transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
    scroll-margin-top:130px;
  }
  .step-card+.step-card{margin-top:18px;}
  .step-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#D2DEEF;}
  .step-num{
    font-size:34px;line-height:1;font-weight:700;color:transparent;
    -webkit-text-stroke:1.5px var(--c-primary-600);
    font-variant-numeric:tabular-nums;letter-spacing:.02em;
    display:block;margin-bottom:12px;
  }
  .step-card h3{font-size:19px;font-weight:600;line-height:1.5;color:var(--c-text);}
  .step-card p{margin-top:10px;font-size:15px;color:var(--c-text-mute);line-height:1.85;}
  .step-tip{
    margin-top:16px;display:flex;gap:10px;align-items:flex-start;
    background:#F6F9FD;border-left:3px solid var(--c-accent);border-radius:0 10px 10px 0;
    padding:12px 14px;font-size:13.5px;color:#3B4C64;line-height:1.75;
  }
  .step-tip strong{color:var(--c-primary);font-weight:600;}

  /* sticky toc */
  .toc{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    box-shadow:var(--sh-1);padding:20px;
  }
  @media(min-width:1024px){
    .toc{position:sticky;top:120px;}
  }
  .toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-text-mute);margin-bottom:14px;}
  .toc-list{display:flex;flex-direction:column;gap:2px;}
  .toc-list a{
    display:flex;align-items:center;gap:10px;
    padding:9px 10px;border-radius:8px;font-size:14px;color:#33455E;
    border-left:3px solid transparent;transition:all .2s ease;
  }
  .toc-list a:hover{background:#F4F8FD;color:var(--c-primary);border-left-color:var(--c-accent);}
  .toc-list a span{font-size:12px;color:#9BAABF;font-variant-numeric:tabular-nums;}
  .toc-cta{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);}
  .toc-cta p{font-size:13px;color:var(--c-text-mute);margin-bottom:12px;line-height:1.7;}

  /* ---------- event types cards ---------- */
  .card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
  @media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
  @media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
  .type-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-2);transition:transform .22s ease,box-shadow .22s ease;
    display:flex;flex-direction:column;
  }
  .type-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
  .type-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#E7EDF5;}
  .type-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .type-body h3{font-size:18px;font-weight:600;line-height:1.5;}
  .type-card:hover h3{color:var(--c-primary);}
  .type-body p{font-size:14px;color:var(--c-text-mute);line-height:1.8;}

  /* ---------- notice band ---------- */
  .notice-band{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
  .notice-grid{display:grid;grid-template-columns:1fr;gap:14px;}
  @media(min-width:768px){.notice-grid{grid-template-columns:repeat(2,1fr);gap:16px;}}
  .notice-item{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--c-bg);border-radius:12px;padding:16px 18px;
    border:1px solid transparent;transition:border-color .2s ease,background-color .2s ease;
  }
  .notice-item:hover{border-color:#D6E1F0;background:#F0F5FB;}
  .notice-dot{
    flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-accent-soft);
    color:#D9500F;font-size:12.5px;font-weight:700;
    display:flex;align-items:center;justify-content:center;margin-top:2px;
  }
  .notice-item h3{font-size:15.5px;font-weight:600;}
  .notice-item p{font-size:14px;color:var(--c-text-mute);margin-top:4px;line-height:1.75;}

  /* ---------- FAQ ---------- */
  .faq-wrap{display:grid;grid-template-columns:1fr;gap:14px;}
  @media(min-width:900px){.faq-wrap{grid-template-columns:repeat(2,1fr);gap:16px;align-items:start;}}
  .faq-item{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
    box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item[open]{border-color:#CFDCEF;box-shadow:var(--sh-2);}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:56px;padding:16px 20px;font-size:15.5px;font-weight:600;color:var(--c-text);
    border-left:3px solid transparent;transition:all .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--c-primary);background:#FAFCFF;}
  .faq-item[open] summary{border-left-color:var(--c-accent);color:var(--c-primary);}
  .faq-icon{
    flex:0 0 auto;width:24px;height:24px;border-radius:50%;
    border:1px solid #C9D6E8;color:var(--c-primary);
    display:flex;align-items:center;justify-content:center;
    font-size:15px;line-height:1;transition:transform .25s ease,background-color .2s ease,color .2s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--c-accent);border-color:var(--c-accent);color:#fff;}
  .faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-mute);border-left:3px solid var(--c-accent);}

  /* ---------- CTA ---------- */
  .cta-band{
    background:linear-gradient(180deg,#EAF1FA 0%,#F4F8FC 100%);
    border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  }
  .cta-inner{
    display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
    padding:44px 0;position:relative;
  }
  .cta-inner h2{font-size:clamp(22px,3vw,28px);font-weight:700;line-height:1.35;}
  .cta-inner p{margin-top:12px;font-size:15px;color:var(--c-text-mute);max-width:560px;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
  .cta-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2);background:#E7EDF5;}
  @media(min-width:900px){
    .cta-inner{grid-template-columns:1.25fr .75fr;gap:44px;padding:56px 0;}
  }

  /* ---------- footer ---------- */
  .site-footer{background:var(--c-primary);color:rgba(255,255,255,.82);padding:52px 0 0;}
  .footer-top{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:36px;}
  @media(min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:40px;}}
  .footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
  .footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
  .footer-text{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:360px;}
  .footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
  .footer-links{display:flex;flex-direction:column;gap:11px;}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;width:fit-content;}
  .footer-links a:hover{color:#fff;transform:translateX(2px);}
  .footer-info{display:flex;flex-direction:column;gap:11px;font-size:14px;color:rgba(255,255,255,.72);}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.16);
    padding:20px 0 24px;display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
    font-variant-numeric:tabular-nums;
  }

  /* ---------- drawer ---------- */
  .drawer-overlay{
    position:fixed;inset:0;background:rgba(14,27,46,.45);z-index:80;
    opacity:0;transition:opacity .25s ease;
  }
  .drawer-overlay.show{opacity:1;}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;z-index:90;
    background:var(--c-surface);transform:translateX(100%);
    transition:transform .28s ease;display:flex;flex-direction:column;
    box-shadow:-12px 0 40px rgba(14,27,46,.2);overflow-y:auto;
  }
  .drawer.show{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--c-line);}
  .drawer-brand{font-size:16px;font-weight:700;color:var(--c-primary);}
  .drawer-links{display:flex;flex-direction:column;padding:10px 10px 0;}
  .drawer-links a{
    padding:13px 12px;border-radius:10px;font-size:15px;color:#33455E;
    transition:background-color .2s ease,color .2s ease;
  }
  .drawer-links a:hover{background:#F3F7FC;color:var(--c-primary);}
  .drawer-links a.active{background:var(--c-accent-soft);color:#C9480E;font-weight:600;}
  .drawer-foot{margin-top:auto;padding:18px;border-top:1px solid var(--c-line);}
  .drawer-foot .btn{width:100%;}
  .drawer-foot p{font-size:12.5px;color:var(--c-text-mute);margin-top:12px;line-height:1.7;}

/* roulang page: category5 */
:root{
  --c-primary:#1E3F73;
  --c-primary-600:#2B5BA8;
  --c-accent:#FF6A2B;
  --c-accent-soft:#FFEDE4;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#0E1B2E;
  --c-text-mute:#5B6B82;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(14,27,46,.05);
  --sh-2:0 8px 28px rgba(14,27,46,.06);
  --sh-3:0 14px 34px rgba(14,27,46,.10);
  --maxw:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,dl,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--c-accent-soft);color:var(--c-primary)}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ============ topbar ============ */
.site-header{position:relative;z-index:50}
.topbar{background:var(--c-primary);color:#fff;font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:12px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.04em;font-variant-numeric:tabular-nums;white-space:nowrap}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35);display:inline-block}
.topbar-note{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-link{color:rgba(255,255,255,.86);transition:color .2s ease}
.topbar-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
@media(max-width:767px){
  .topbar-note,.topbar-divider{display:none}
  .topbar-right .topbar-link:first-child{display:none}
}

/* ============ navbar ============ */
.navbar{
  position:sticky;top:0;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(14,27,46,.05);
  z-index:60;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-600));
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text>span:first-child{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.02em}
.brand-sub{font-size:11.5px;color:var(--c-text-mute);letter-spacing:.06em;font-weight:400}
.nav-links{display:none;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;padding:8px 10px;border-radius:8px;
  font-size:14.5px;color:#33465f;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-primary);background:#F7F9FC}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-soft)}
.icon-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.burger{display:inline-flex}
@media(min-width:1024px){
  .nav-links{display:flex}
  .burger{display:none}
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;line-height:1.2;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24)}
.btn-primary:hover{background:#F25A18;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#C9D6E8}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);background:#fff}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:#173357;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.nav-cta{display:none}
@media(min-width:1024px){.nav-cta{display:inline-flex}}

/* ============ drawer ============ */
.overlay{
  position:fixed;inset:0;background:rgba(14,27,46,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;background:#fff;
  z-index:90;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(14,27,46,.18);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--c-line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-primary)}
.drawer-links{padding:12px 10px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1}
.drawer-links a{
  padding:12px 14px;border-radius:10px;font-size:15px;color:#2B3B52;
  display:flex;align-items:center;justify-content:space-between;transition:all .18s ease;
}
.drawer-links a:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-links a.active{background:var(--c-accent-soft);color:var(--c-primary);font-weight:600}
.drawer-links a::after{content:"›";color:#A9B8CC;font-size:18px}
.drawer-foot{padding:16px 18px 22px;border-top:1px solid var(--c-line)}
.drawer-foot .btn{width:100%}

/* ============ breadcrumb ============ */
.crumb{padding:18px 0 4px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-mute)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C2CEE0}
.crumb a{color:var(--c-text-mute);transition:color .2s}
.crumb a:hover{color:var(--c-accent)}
.crumb .current{color:var(--c-primary);font-weight:600}

/* ============ page hero ============ */
.page-hero{padding:12px 0 34px}
.page-hero-grid{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;position:relative;overflow:hidden;
}
.page-hero-grid::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-accent);
}
@media(min-width:900px){
  .page-hero-grid{grid-template-columns:1.55fr .85fr;gap:34px;padding:38px 40px}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;
  background:var(--c-accent-soft);color:#C24A0F;font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.page-title{
  font-size:clamp(26px,4vw,42px);line-height:1.28;font-weight:700;color:var(--c-primary);
  margin:14px 0 12px;letter-spacing:-.01em;
}
.page-title em{font-style:normal;color:var(--c-accent)}
.hero-desc{font-size:15.5px;color:var(--c-text-mute);max-width:48ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  border:1px solid var(--c-line);background:#FBFCFE;font-size:12.5px;color:#3C5372;
}
.chip strong{color:var(--c-primary);font-variant-numeric:tabular-nums}
.hero-thumb{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3}
.hero-thumb img{width:100%;height:100%;object-fit:cover}
.hero-thumb figcaption{
  position:absolute;left:10px;bottom:10px;background:rgba(14,27,46,.72);color:#fff;
  font-size:12px;padding:5px 10px;border-radius:8px;letter-spacing:.02em;
}

/* ============ layout with side nav ============ */
.layout{display:grid;grid-template-columns:1fr;gap:26px;padding-bottom:20px}
@media(min-width:1000px){.layout{grid-template-columns:250px 1fr;gap:34px;align-items:start}}
.side-nav{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:10px;
}
@media(min-width:1000px){.side-nav{position:sticky;top:88px}}
.side-title{
  font-size:12.5px;letter-spacing:.12em;color:#8496AE;font-weight:600;
  padding:10px 12px 8px;
}
.side-nav ul{display:flex;flex-direction:column;gap:2px}
@media(max-width:999px){
  .side-nav ul{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px}
  .side-nav ul li{flex:0 0 auto}
}
.side-link{
  display:block;padding:10px 12px;border-radius:10px;font-size:14px;color:#33465F;
  border-left:3px solid transparent;transition:all .18s ease;white-space:nowrap;
}
.side-link:hover{background:var(--c-bg);color:var(--c-primary)}
.side-link.active{
  background:var(--c-accent-soft);border-left-color:var(--c-accent);
  color:var(--c-primary);font-weight:600;
}

/* ============ panels ============ */
.panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;margin-bottom:24px;
}
@media(min-width:768px){.panel{padding:32px}}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.sec-title{
  position:relative;font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;color:var(--c-primary);
  padding-left:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;background:var(--c-accent);
}
.sec-sub{font-size:14px;color:var(--c-text-mute);margin:10px 0 22px}

/* ============ table ============ */
.table-wrap{border:1px solid var(--c-line);border-radius:14px;overflow:hidden;background:#fff}
.svc-table{width:100%;border-collapse:collapse;font-size:14.5px}
.svc-table thead th{
  background:#EEF3FA;color:var(--c-primary);text-align:left;font-weight:700;
  padding:14px 16px;font-size:13px;letter-spacing:.04em;border-bottom:1px solid var(--c-line);
  white-space:nowrap;
}
.svc-table tbody td{padding:15px 16px;border-bottom:1px solid var(--c-line);color:#31445F;vertical-align:top}
.svc-table tbody tr:last-child td{border-bottom:none}
.svc-table tbody tr{transition:background .18s ease}
.svc-table tbody tr:hover{background:#F8FAFD}
.svc-table td:first-child{font-weight:600;color:var(--c-primary)}
.tag{
  display:inline-block;padding:3px 10px;border-radius:6px;font-size:12px;
  background:var(--c-accent-soft);color:#C24A0F;letter-spacing:.02em;white-space:nowrap;
}
.tag-outline{background:#fff;border:1px solid #CBD8EA;color:var(--c-primary-600)}
.table-note{font-size:13px;color:var(--c-text-mute);margin-top:14px}
@media(max-width:767px){
  .table-wrap{border:none;background:transparent}
  .svc-table{display:block}
  .svc-table thead{display:none}
  .svc-table tbody{display:block}
  .svc-table tbody tr{
    display:block;background:#fff;border:1px solid var(--c-line);border-radius:14px;
    padding:6px 14px;margin-bottom:14px;box-shadow:var(--sh-1);
  }
  .svc-table tbody td{
    display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:9px 0;border-bottom:1px dashed #EDF1F7;font-size:14px;
  }
  .svc-table tbody td:last-child{border-bottom:none}
  .svc-table tbody td::before{
    content:attr(data-label);color:#8496AE;font-size:12.5px;font-weight:600;
    flex:0 0 auto;letter-spacing:.04em;
  }
  .svc-table td:first-child{font-size:15.5px}
  .svc-table tbody td>span{text-align:right}
}

/* ============ tier cards ============ */
.tier-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.tier-grid{grid-template-columns:repeat(3,1fr)}}
.tier-card{
  border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;padding:22px;
  transition:all .22s ease;display:flex;flex-direction:column;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:#CFDDEF}
.tier-card.featured{border-color:var(--c-accent);box-shadow:0 10px 26px rgba(255,106,43,.12)}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.tier-name{font-size:18px;font-weight:700;color:var(--c-primary)}
.tier-for{font-size:13px;color:var(--c-text-mute);margin-bottom:16px}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.tier-list li{display:flex;gap:10px;font-size:14px;color:#33465F;line-height:1.7}
.tier-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--c-accent);
  margin-top:9px;
}
.tier-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-text-mute)}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{
  background:#FBFCFE;border:1px solid var(--c-line);border-radius:14px;padding:18px;
  transition:all .2s ease;
}
.step:hover{background:#fff;box-shadow:var(--sh-2);transform:translateY(-2px)}
.step-no{
  font-size:26px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;
  letter-spacing:.02em;line-height:1;
}
.step-name{font-size:15.5px;font-weight:700;color:var(--c-primary);margin:10px 0 6px}
.step-text{font-size:13.5px;color:var(--c-text-mute);line-height:1.75}

/* ============ related cards ============ */
.rel-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:block;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  background:#fff;transition:all .22s ease;box-shadow:var(--sh-1);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.rel-thumb{aspect-ratio:4/3;overflow:hidden;background:#E9EEF6}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 18px 20px}
.rel-tag{font-size:12px;color:var(--c-accent);letter-spacing:.06em;font-weight:600}
.rel-title{font-size:16.5px;font-weight:700;color:var(--c-primary);margin:8px 0 6px;line-height:1.5}
.rel-text{font-size:13.5px;color:var(--c-text-mute);line-height:1.75}
.rel-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;color:var(--c-primary-600);font-weight:600}
.rel-card:hover .rel-link{color:var(--c-accent)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--c-line);border-radius:14px;background:#fff;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#CFDDEF;box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;font-size:15.5px;font-weight:600;color:var(--c-primary);
  min-height:56px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#F8FAFD}
.faq-item summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:-2px}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--c-accent);
}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid #CBD8EA;color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  transition:all .2s ease;
}
.faq-item[open] .faq-icon{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:rotate(180deg)}
.faq-body{padding:0 18px 18px;font-size:14.5px;color:#3B4E68;line-height:1.85}
.faq-body p+p{margin-top:10px}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  background:linear-gradient(120deg,#1E3F73 0%,#2B5BA8 100%);
  color:#fff;padding:30px 24px;display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  box-shadow:var(--sh-2);margin-bottom:24px;
}
@media(min-width:900px){.cta-band{grid-template-columns:1.4fr .6fr;padding:40px 42px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,106,43,.18);filter:blur(6px);
}
.cta-title{font-size:clamp(20px,2.4vw,27px);font-weight:700;line-height:1.4}
.cta-text{font-size:14.5px;color:rgba(255,255,255,.82);margin-top:10px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ============ footer ============ */
.site-footer{background:var(--c-primary);color:#D7E1EF;margin-top:40px;padding:48px 0 22px}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:860px){.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:44px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none}
.footer-text{font-size:13.5px;color:rgba(215,225,239,.78);margin-top:14px;max-width:42ch;line-height:1.85}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:rgba(215,225,239,.8);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-info{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:rgba(215,225,239,.78)}
.footer-bottom{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;
  color:rgba(215,225,239,.66);font-variant-numeric:tabular-nums;
}

/* utility */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
@media(min-width:640px){.mini-stats{grid-template-columns:repeat(4,1fr)}}
.mini-stat{background:#FBFCFE;border:1px solid var(--c-line);border-radius:12px;padding:14px}
.mini-stat b{display:block;font-size:22px;color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}
.mini-stat span{font-size:12.5px;color:var(--c-text-mute)}

/* roulang page: category4 */
:root{
  --c-primary:#1E3F73;
  --c-primary-600:#2B5BA8;
  --c-accent:#FF6A2B;
  --c-accent-dark:#E85A1C;
  --c-accent-soft:#FFEDE4;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#0E1B2E;
  --c-text-mute:#5B6B82;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,27,46,.05);
  --shadow-2:0 8px 28px rgba(14,27,46,.06);
  --shadow-3:0 14px 34px rgba(14,27,46,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
.page-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-primary);color:#fff;font-size:12.5px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;height:38px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.02em;white-space:nowrap}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35);flex-shrink:0}
.topbar-note{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:18px;flex-shrink:0}
.topbar-link{color:rgba(255,255,255,.86);transition:color .18s}
.topbar-link:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
@media (max-width:767px){
  .topbar-note{display:none}
  .topbar-right .topbar-link:last-child{display:none}
}

/* ============ 主导航 ============ */
.navbar{
  position:sticky;top:0;z-index:80;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(14,27,46,.05);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text>span:first-child{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:11px;color:var(--c-text-mute);letter-spacing:.04em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;min-width:0}
.nav-link{
  position:relative;padding:8px 10px;border-radius:8px;font-size:14.5px;color:#3D4D66;
  white-space:nowrap;transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--c-primary);background:#F2F6FC}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:2px;
  border-radius:2px;background:var(--c-accent);
}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .18s,color .18s,background .18s,transform .18s;
}
.icon-btn:hover{border-color:#C7D7EC;background:#F4F8FD;transform:translateY(-1px)}
.burger{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.26)}
.btn-primary:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,43,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#CDD9EA}
.btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
a:focus-visible,button:focus-visible,summary:focus-visible,.chip:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px;
}
@media (max-width:1023px){
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-cta{display:none}
  .nav-inner{height:62px;gap:12px}
}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,27,46,.45);z-index:110;
  opacity:0;pointer-events:none;transition:opacity .26s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;z-index:120;
  background:#fff;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
  box-shadow:-12px 0 40px rgba(14,27,46,.16);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-primary)}
.drawer-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--c-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--c-primary);
}
.drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-list a{
  padding:12px 14px;border-radius:10px;font-size:15px;color:#3D4D66;
  border-left:3px solid transparent;transition:background .18s,color .18s,border-color .18s;
}
.drawer-list a:hover,.drawer-list a:active{background:#F4F7FC;color:var(--c-primary)}
.drawer-list a.current{background:var(--c-accent-soft);border-left-color:var(--c-accent);color:var(--c-primary);font-weight:600}
.drawer-cta{margin-top:auto}

/* ============ 面包屑 ============ */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--c-text-mute)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:#A9B8CB}
.crumbs a{transition:color .18s}
.crumbs a:hover{color:var(--c-primary-600)}
.crumbs .current{color:var(--c-primary);font-weight:600}

/* ============ 页头 ============ */
.page-hero{
  display:grid;grid-template-columns:1.45fr .85fr;gap:36px;align-items:center;
  padding:26px 0 36px;border-bottom:1px solid var(--c-line);
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--c-accent-soft);color:#C2410C;
  font-size:12px;font-weight:600;letter-spacing:.04em;padding:6px 12px;border-radius:999px;
}
.page-hero h1{
  font-size:clamp(26px,3.3vw,40px);line-height:1.28;font-weight:700;
  margin:14px 0 14px;letter-spacing:-.01em;color:var(--c-text);
}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-lead{font-size:15.5px;line-height:1.85;color:var(--c-text-mute);max-width:620px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13px;color:var(--c-text-mute)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta b{color:var(--c-primary);font-size:16px;font-variant-numeric:tabular-nums}
.hero-thumb{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--shadow-2);aspect-ratio:4/3;background:#E9EFF7;
}
.hero-thumb img{width:100%;height:100%;object-fit:cover}
@media (max-width:767px){
  .page-hero{grid-template-columns:1fr;gap:22px;padding:20px 0 28px}
  .hero-thumb{order:-1;aspect-ratio:16/10}
  .hero-lead{font-size:15px}
}

/* ============ 主布局 ============ */
.layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:32px;
  align-items:start;padding:36px 0 0;
}
.side-nav{
  position:sticky;top:88px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-card);padding:16px;box-shadow:var(--shadow-1);
}
.side-nav-title{
  font-size:12px;letter-spacing:.08em;color:var(--c-text-mute);font-weight:600;
  margin:0 0 10px;padding-left:2px;
}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:block;padding:9px 12px;border-radius:8px;font-size:14.5px;color:#3D4D66;
  border-left:3px solid transparent;transition:background .18s,color .18s,border-color .18s;
}
.side-list a:hover{background:#F4F7FC;color:var(--c-primary)}
.side-list a.current{
  background:var(--c-accent-soft);border-left-color:var(--c-accent);
  color:var(--c-primary);font-weight:600;
}
@media (max-width:1023px){
  .layout{grid-template-columns:1fr;gap:22px;padding-top:26px}
  .side-nav{position:static;padding:14px 14px 10px}
  .side-list{flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
  .side-list a{
    white-space:nowrap;border-left:none;border-bottom:3px solid transparent;
    background:#F6F9FD;border-radius:8px;font-size:14px;padding:8px 14px;
  }
  .side-list a.current{background:var(--c-accent-soft);border-bottom-color:var(--c-accent)}
}

/* ============ 板块标题 ============ */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.section-title{position:relative;padding-left:14px;font-size:22px;font-weight:700;line-height:1.4;color:var(--c-text)}
.section-title::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:2px;background:var(--c-accent);
}
.section-desc{margin-top:6px;font-size:14px;color:var(--c-text-mute)}
.section-link{font-size:14px;font-weight:600;color:var(--c-primary-600);transition:color .18s}
.section-link:hover{color:var(--c-accent)}

/* ============ 杂志式装备列表 ============ */
.mag-list{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.mag-item{
  position:relative;display:grid;grid-template-columns:92px minmax(0,1fr) 30px;
  gap:18px;align-items:start;padding:20px 24px;
  border-bottom:1px solid var(--c-line);
  transition:background .2s,padding-left .22s;
}
.mag-item:last-child{border-bottom:0}
.mag-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.mag-item:hover{background:#FBFCFE;padding-left:28px}
.mag-item:hover::before{transform:scaleY(1)}
.mag-index{display:flex;flex-direction:column;gap:6px}
.mag-index .num{font-size:24px;font-weight:700;line-height:1.1;color:var(--c-primary);letter-spacing:.01em}
.mag-index .chip{
  display:inline-flex;align-self:flex-start;font-size:11.5px;font-weight:600;
  padding:2px 9px;border-radius:6px;background:var(--c-accent-soft);color:#C2410C;
  letter-spacing:.04em;white-space:nowrap;
}
.mag-item h3{font-size:17.5px;font-weight:600;line-height:1.5;margin-bottom:6px;color:var(--c-text);transition:color .18s}
.mag-item:hover h3{color:var(--c-primary)}
.mag-item p{font-size:14.5px;line-height:1.78;color:var(--c-text-mute);margin-bottom:8px}
.mag-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:#8798AD}
.mag-meta span{display:inline-flex;align-items:center;gap:5px}
.mag-arrow{
  align-self:center;width:30px;height:30px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.mag-item:hover .mag-arrow{background:var(--c-accent);border-color:var(--c-accent);color:#fff;transform:translateX(2px)}
@media (max-width:639px){
  .mag-item{grid-template-columns:1fr;gap:10px;padding:18px 18px 20px}
  .mag-item:hover{padding-left:22px}
  .mag-arrow{display:none}
  .mag-index{flex-direction:row;align-items:center;gap:10px}
  .mag-index .num{font-size:20px}
}

/* ============ 核对三步 ============ */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.check-card{
  background:#fff;border:1px dashed #D6E1F0;border-radius:var(--radius-card);
  padding:22px 22px 24px;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.check-card:hover{border-color:var(--c-accent);box-shadow:var(--shadow-2);transform:translateY(-2px)}
.check-no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:10px;border:1px solid #C9D8EC;color:var(--c-primary);
  font-weight:700;font-size:14px;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.check-card h3{font-size:16.5px;font-weight:600;margin-bottom:6px}
.check-card p{font-size:14px;line-height:1.78;color:var(--c-text-mute)}
@media (max-width:767px){.check-grid{grid-template-columns:1fr}}

/* ============ 推荐卡 ============ */
.block-gap{margin-top:56px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D3E0F1}
.rec-thumb{aspect-ratio:4/3;overflow:hidden;background:#E9EFF7}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.rec-body h3{font-size:16.5px;font-weight:600;line-height:1.5;transition:color .18s}
.rec-card:hover .rec-body h3{color:var(--c-primary)}
.rec-body p{font-size:14px;line-height:1.75;color:var(--c-text-mute);flex:1}
.rec-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#8798AD}
.rec-foot .go{color:var(--c-primary-600);font-weight:600}
@media (max-width:1023px){.rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:639px){.rec-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:12px;min-height:56px;padding:15px 18px;font-size:15px;font-weight:600;color:var(--c-text);
  border-left:3px solid transparent;transition:color .2s,border-color .2s,background .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#FAFCFE;color:var(--c-primary)}
.faq .ind{
  width:20px;height:20px;border-radius:6px;background:var(--c-accent-soft);color:var(--c-accent);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;
  flex-shrink:0;transition:transform .22s ease;
}
.faq[open]{border-color:#C9DCF3;box-shadow:var(--shadow-1)}
.faq[open] summary{border-left-color:var(--c-accent);color:var(--c-primary)}
.faq[open] .ind{transform:rotate(45deg)}
.faq .answer{padding:0 18px 18px;font-size:15px;line-height:1.8;color:var(--c-text-mute)}
@media (max-width:767px){.faq-grid{grid-template-columns:1fr}}

/* ============ CTA ============ */
.cta-band{
  margin-top:58px;background:#EAF0FA;border:1px solid #D9E5F4;border-radius:20px;
  padding:32px;display:grid;grid-template-columns:1.5fr .8fr;gap:28px;align-items:center;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--c-text-mute);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.cta-thumb{
  border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:#DCE7F5;
  border:1px solid #CFDCEE;box-shadow:var(--shadow-2);
}
.cta-thumb img{width:100%;height:100%;object-fit:cover}
@media (max-width:767px){
  .cta-band{grid-template-columns:1fr;padding:24px}
  .cta-thumb{order:-1}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary);color:#DBE4F1;margin-top:64px;padding:52px 0 0}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.16);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:12px}
.footer-brand .brand-mark{background:#fff;color:var(--c-primary)}
.footer-text{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:400px}
.footer-title{font-size:14px;font-weight:600;letter-spacing:.06em;color:#fff;margin:0 0 14px}
.footer-links{display:flex;flex-direction:column;gap:9px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.75);transition:color .18s}
.footer-links a:hover{color:#fff}
.footer-info{display:flex;flex-direction:column;gap:9px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:18px 0 22px;font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:767px){
  .footer-top{grid-template-columns:1fr;gap:26px}
  .site-footer{margin-top:48px;padding-top:40px}
}

/* roulang page: category6 */
:root{
  --c-primary:#1E3F73;
  --c-primary-600:#2B5BA8;
  --c-accent:#FF6A2B;
  --c-accent-deep:#E85A1C;
  --c-accent-soft:#FFEDE4;
  --c-bg:#F5F7FA;
  --c-surface:#FFFFFF;
  --c-line:#E4EAF2;
  --c-text:#0E1B2E;
  --c-text-mute:#5B6B82;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(14,27,46,.05);
  --shadow-2:0 8px 28px rgba(14,27,46,.06);
  --shadow-3:0 14px 34px rgba(14,27,46,.10);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:20px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-primary);color:#fff;font-size:12.5px;line-height:1.5}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:36px;height:36px}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-domain{font-weight:600;letter-spacing:.02em;white-space:nowrap}
.topbar-divider{width:1px;height:12px;background:rgba(255,255,255,.35);flex:0 0 1px}
.topbar-note{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-right{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.topbar-link{color:rgba(255,255,255,.86);transition:color .18s ease}
.topbar-link:hover{color:#FFD9C6}
@media (max-width:640px){
  .topbar-note,.topbar-divider{display:none}
  .topbar-right .topbar-link:last-child{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:var(--c-surface)}
.navbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(30,63,115,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text>span:first-child{font-weight:700;font-size:17px;color:var(--c-primary);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--c-text-mute);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:18px;flex-wrap:nowrap}
.nav-link{position:relative;font-size:14px;color:var(--c-text);padding:6px 0;white-space:nowrap;transition:color .18s ease}
.nav-link:hover{color:var(--c-primary-600)}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--c-accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-primary);
  transition:border-color .18s ease,background .18s ease,color .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--c-primary-600);background:#F2F6FC;transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14.5px;font-weight:600;line-height:1.2;border-radius:var(--radius-btn);
  padding:12px 22px;border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.24)}
.btn-primary:hover{background:var(--c-accent-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--c-primary);border-color:#C9D8EC}
.btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent-deep);transform:translateY(-1px)}
.btn-ghost-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.nav-cta{padding:10px 18px;font-size:14px}
.burger{display:none}
@media (max-width:1180px){
  .nav-links{display:none}
  .burger{display:inline-flex}
}
@media (max-width:520px){
  .nav-cta{display:none}
  .brand-text>span:first-child{font-size:15.5px}
  .brand-sub{display:none}
  .nav-inner{height:62px}
}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(14,27,46,.48);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;z-index:95;
  background:#fff;box-shadow:-12px 0 40px rgba(14,27,46,.18);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-weight:700;color:var(--c-primary);font-size:16px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;display:grid;place-items:center;color:var(--c-primary)}
.drawer-list{display:flex;flex-direction:column;gap:2px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 12px;border-radius:10px;font-size:15px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);transition:background .18s ease,color .18s ease;
}
.drawer-link:hover{background:var(--c-bg);color:var(--c-primary)}
.drawer-link.active{color:var(--c-accent-deep);font-weight:600}
.drawer-cta{margin-top:22px}

/* ---------- 面包屑 ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--c-line)}
.crumb-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-mute);padding:14px 0;flex-wrap:wrap}
.crumb a{color:var(--c-text-mute);transition:color .18s ease}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#B9C6D8}
.crumb .current{color:var(--c-primary);font-weight:600}

/* ---------- 页头 ---------- */
.page-hero{background:#fff;border-bottom:1px solid var(--c-line)}
.page-hero-inner{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:36px 0 40px;
}
@media (min-width:900px){
  .page-hero-inner{grid-template-columns:1.35fr .85fr;gap:48px;padding:52px 0 56px}
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent-soft);color:var(--c-accent-deep);
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:6px 12px;border-radius:999px;
}
.page-hero h1{
  font-size:clamp(26px,4.2vw,40px);line-height:1.28;font-weight:700;
  color:var(--c-primary);letter-spacing:-.01em;margin:16px 0 14px;
}
.page-hero-lead{font-size:16px;line-height:1.85;color:var(--c-text-mute);max-width:62ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary-600);
  font-size:13px;padding:7px 14px;border-radius:999px;transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.chip:hover{border-color:var(--c-accent);color:var(--c-accent-deep);background:var(--c-accent-soft)}
.page-hero-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-2)}
.page-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,27,46,0) 52%,rgba(14,27,46,.72) 100%);
}
.hero-count{
  position:absolute;left:16px;bottom:14px;z-index:2;
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
}

/* ---------- 问答主体 ---------- */
.faq-section{padding:56px 0 64px}
@media (min-width:1024px){.faq-section{padding:72px 0 88px}}
.faq-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){
  .faq-layout{grid-template-columns:252px 1fr;gap:48px}
}
.faq-aside{min-width:0}
@media (min-width:1024px){
  .faq-aside{position:sticky;top:118px}
}
.aside-title{
  font-size:12px;letter-spacing:.12em;color:var(--c-text-mute);
  font-weight:600;text-transform:uppercase;margin-bottom:12px;
}
.aside-nav{
  display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;
  scrollbar-width:thin;
}
@media (min-width:1024px){
  .aside-nav{display:block;overflow:visible;padding-bottom:0}
}
.aside-link{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  font-size:14px;color:var(--c-text);padding:10px 16px;
  border:1px solid var(--c-line);border-radius:10px;background:#fff;
  transition:border-color .18s ease,color .18s ease,background .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
@media (min-width:1024px){
  .aside-link{
    border:none;border-radius:0;background:transparent;
    border-left:3px solid transparent;padding:11px 14px;white-space:normal;
    box-shadow:none;border-bottom:1px solid var(--c-line);
  }
  .aside-link:last-of-type{border-bottom:none}
}
.aside-link:hover{color:var(--c-primary-600);border-color:#C9D8EC}
@media (min-width:1024px){.aside-link:hover{border-color:transparent;border-left-color:#C9D8EC;box-shadow:none}}
.aside-link.active{background:var(--c-accent-soft);border-color:#FFC7AD;color:var(--c-accent-deep);font-weight:600}
@media (min-width:1024px){
  .aside-link.active{background:#F3F7FC;border-color:transparent;border-left-color:var(--c-accent);color:var(--c-primary);font-weight:600;box-shadow:none}
}
.aside-card{
  margin-top:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.aside-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.aside-card-body{padding:16px 18px 18px}
.aside-card-body h3{font-size:15px;font-weight:700;color:var(--c-primary);margin-bottom:6px}
.aside-card-body p{font-size:13.5px;line-height:1.75;color:var(--c-text-mute);margin-bottom:12px}
.aside-card-body a{font-size:13.5px;font-weight:600;color:var(--c-accent-deep)}
.aside-card-body a:hover{text-decoration:underline}

.faq-groups{display:flex;flex-direction:column;gap:38px;min-width:0}
.faq-group{scroll-margin-top:120px}
.faq-group h2{
  display:flex;align-items:center;gap:10px;
  font-size:21px;line-height:1.4;font-weight:700;color:var(--c-primary);margin-bottom:6px;
}
@media (min-width:768px){.faq-group h2{font-size:24px}}
.faq-group h2::before{
  content:"";width:4px;height:20px;border-radius:2px;background:var(--c-accent);flex:0 0 4px;
}
.group-desc{font-size:14px;color:var(--c-text-mute);margin-bottom:16px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
}
.faq-item:hover{border-color:#CFDCEC;box-shadow:var(--shadow-2)}
.faq-item[open]{border-color:#FFD2BE;box-shadow:var(--shadow-2);border-left:3px solid var(--c-accent)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;min-height:56px;cursor:pointer;font-size:15.5px;font-weight:600;
  color:var(--c-text);line-height:1.55;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary-600)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-icon{
  position:relative;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--c-accent-soft);transition:background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-accent-deep);border-radius:2px;transition:opacity .2s ease,transform .2s ease;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item[open] .faq-icon::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--c-text-mute)}
.faq-answer p+p{margin-top:10px}
.faq-answer ul{margin:10px 0 0;padding-left:18px}
.faq-answer li{margin-bottom:6px}
.faq-answer strong{color:var(--c-primary);font-weight:600}

/* ---------- 处理流程 ---------- */
.steps-section{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:56px 0}
@media (min-width:1024px){.steps-section{padding:76px 0}}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head h2{font-size:clamp(22px,3vw,30px);line-height:1.36;font-weight:700;color:var(--c-primary);letter-spacing:-.01em}
.sec-head p{margin-top:10px;font-size:15px;color:var(--c-text-mute)}
.steps{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:22px}}
.step{
  position:relative;padding:22px 20px 20px;border:1px solid var(--c-line);
  border-radius:var(--radius-card);background:var(--c-bg);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);background:#fff}
.step-no{
  font-size:26px;font-weight:700;color:var(--c-primary);opacity:.28;
  letter-spacing:.02em;line-height:1;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:16px;font-weight:700;color:var(--c-primary);margin-bottom:8px}
.step p{font-size:14px;line-height:1.78;color:var(--c-text-mute)}

/* ---------- 联系 CTA 条 ---------- */
.cta-band{padding:56px 0}
@media (min-width:1024px){.cta-band{padding:72px 0}}
.cta-inner{
  background:linear-gradient(120deg,#1E3F73 0%,#2B5BA8 100%);
  border-radius:20px;padding:32px 24px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  box-shadow:0 18px 44px rgba(30,63,115,.22);position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:rgba(255,106,43,.22);filter:blur(4px);
}
@media (min-width:900px){
  .cta-inner{grid-template-columns:1fr auto;padding:44px 48px;gap:36px}
}
.cta-inner h2{position:relative;z-index:2;font-size:clamp(21px,2.8vw,28px);line-height:1.36;font-weight:700;letter-spacing:-.01em}
.cta-inner p{position:relative;z-index:2;margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:56ch}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn{flex:0 0 auto}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 64px}
@media (min-width:1024px){.related{padding:0 0 88px}}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:#D6E2F0}
.card-media{position:relative;overflow:hidden;background:#E9EEF5}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--c-accent-deep);background:var(--c-accent-soft);
  padding:4px 10px;border-radius:6px;margin-bottom:10px;
}
.card-title{font-size:16.5px;line-height:1.55;font-weight:700;color:var(--c-text);transition:color .18s ease}
.card:hover .card-title{color:var(--c-primary)}
.card-text{font-size:14px;line-height:1.78;color:var(--c-text-mute);margin-top:8px}
.card-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:13px;color:var(--c-text-mute);border-top:1px solid var(--c-line);
}
.card-arrow{
  width:30px;height:30px;border-radius:50%;background:var(--c-bg);color:var(--c-primary);
  display:grid;place-items:center;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.card:hover .card-arrow{background:var(--c-accent);color:#fff;transform:translateX(2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1B2E;color:rgba(255,255,255,.76);padding:56px 0 0;font-size:14px}
.footer-top{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:36px}
@media (min-width:768px){.footer-top{grid-template-columns:1.3fr 1fr 1fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none}
.footer-text{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:40ch}
.footer-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-info{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:rgba(255,255,255,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}