/* roulang page: index */
:root{
  --bg-0:#060A14;--bg-1:#0A1222;--bg-2:#0E1A2E;
  --brand:#25E0C0;--brand-2:#3BC9FF;--brand-soft:rgba(37,224,192,.12);
  --amber:#FF8A3D;--violet:#7A6BFF;
  --ink:#E9F1FB;--ink-2:#A7B6CC;--ink-3:#6C7C96;
  --glass:rgba(255,255,255,.055);--glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.14);--stroke-brand:rgba(37,224,192,.30);
  --r-card:18px;--r-panel:24px;--r-btn:14px;--r-pill:999px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 24px rgba(37,224,192,.35);
  --inset:0 0 0 1px inset rgba(255,255,255,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--ink);overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.8;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-underline-offset .2s ease}
a:hover{color:#6BF2DE;text-decoration:underline;text-underline-offset:4px}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--ink)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:640px){.container{padding-left:24px;padding-right:24px}}
.section{padding-top:56px;padding-bottom:56px;position:relative}
@media(min-width:768px){.section{padding-top:72px;padding-bottom:72px}}
@media(min-width:1024px){.section{padding-top:104px;padding-bottom:104px}}
.section--tight{padding-top:44px;padding-bottom:44px}
@media(min-width:1024px){.section--tight{padding-top:72px;padding-bottom:72px}}
.section-surface{background:linear-gradient(180deg,var(--bg-1),var(--bg-0))}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700}
.section-desc{max-width:760px;color:var(--ink-2);margin-top:12px;font-size:16px}
.link-more{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"→";transition:transform .2s ease}
.link-more:hover{text-decoration:none}
.link-more:hover::after{transform:translateX(4px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--brand);background:var(--brand-soft);border:1px solid var(--stroke-brand);border-radius:var(--r-pill);padding:6px 14px}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);border:1px solid var(--stroke);background:var(--glass);color:var(--ink-2);white-space:nowrap}
.badge--brand{color:#08251F;background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent}
.badge--amber{color:#3A1B04;background:var(--amber);border-color:transparent}
.badge--done{color:#3A1B04;background:rgba(255,138,61,.9);border-color:transparent}
.badge--idle{color:var(--ink-3);background:rgba(255,255,255,.04)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15.5px;font-weight:600;border:1px solid transparent;transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,filter .25s ease;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#04121A;box-shadow:var(--glow)}
.btn-primary:hover{color:#04121A;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 34px rgba(37,224,192,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 12px rgba(37,224,192,.3)}
.btn-ghost{background:var(--glass);border-color:var(--stroke);color:var(--ink);backdrop-filter:blur(8px)}
.btn-ghost:hover{color:var(--ink);background:var(--glass-2);border-color:var(--stroke-brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:44px;padding:0 18px;font-size:14.5px}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* 头部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:120;background:rgba(6,10,20,.72);backdrop-filter:blur(16px);border-bottom:1px solid var(--stroke);transition:background-color .25s ease,box-shadow .25s ease}
.site-header.is-scrolled{background:rgba(6,10,20,.92);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:62px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;flex:0 0 auto}
.logo:hover{color:var(--ink);text-decoration:none}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;color:#04121A;font-size:13px;font-weight:800;box-shadow:0 0 18px rgba(37,224,192,.4)}
.logo-text{font-size:18px;letter-spacing:.02em}
.main-nav{display:none}
.main-nav a{position:relative;display:block;padding:8px 9px;font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;border-radius:10px}
.main-nav a::after{content:"";position:absolute;left:9px;right:9px;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.main-nav a:hover{color:var(--ink);text-decoration:none}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--ink);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
@media(min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px}
}
@media(min-width:1024px) and (max-width:1180px){
  .main-nav a{font-size:13px;padding:8px 6px}
  .logo-text{font-size:17px}
}

/* 移动端底部 Tab */
.mobile-tab{position:fixed;left:0;right:0;bottom:0;z-index:130;display:grid;grid-template-columns:repeat(4,1fr);background:#080D18;border-top:1px solid var(--stroke);padding-bottom:env(safe-area-inset-bottom)}
.mobile-tab a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;height:60px;min-width:44px;color:var(--ink-3);font-size:12px;text-decoration:none}
.mobile-tab a:hover{text-decoration:none;color:var(--ink-2)}
.mobile-tab a::before{content:"";position:absolute;top:0;left:50%;width:30px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px var(--brand);transform:translateX(-50%) scaleX(0);transition:transform .25s ease}
.mobile-tab a.is-active{color:var(--brand)}
.mobile-tab a.is-active::before{transform:translateX(-50%) scaleX(1)}
.mobile-tab svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
@media(min-width:1024px){.mobile-tab{display:none}}
@media(max-width:1023px){body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}}

/* Hero */
.hero{position:relative;padding-top:112px;padding-bottom:56px;background:radial-gradient(1000px 520px at 78% -10%,rgba(59,201,255,.16),transparent 62%),radial-gradient(760px 420px at 8% 8%,rgba(37,224,192,.12),transparent 60%),var(--bg-0);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 90px);opacity:.35;pointer-events:none}
.hero::after{content:"";position:absolute;top:-140px;right:-160px;width:560px;height:560px;background:conic-gradient(from 210deg,rgba(37,224,192,.18),transparent 55%);filter:blur(30px);pointer-events:none}
.hero-copy{position:relative;z-index:2}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.2;font-weight:700;margin-top:20px;max-width:760px}
.hero-sub{max-width:640px;margin-top:20px;font-size:17px;line-height:1.8;color:var(--ink-2)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual{position:relative;z-index:2;margin-bottom:28px}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-panel);box-shadow:var(--shadow-2);border:1px solid var(--stroke)}
.hero-visual::before{content:"";position:absolute;inset:0;border-radius:var(--r-panel);background:linear-gradient(160deg,rgba(6,10,20,.15),rgba(6,10,20,.78));pointer-events:none}
.hero-visual::after{content:"";position:absolute;left:-6%;top:18%;width:112%;height:52%;background:linear-gradient(100deg,transparent,rgba(37,224,192,.22),transparent);transform:skewY(-8deg);pointer-events:none}
@media(max-width:1023px){
  .hero{padding-top:100px}
  .hero-copy{order:2}
  .hero-visual{order:1}
}
@media(min-width:1024px){
  .hero{padding-top:150px;padding-bottom:88px}
}
.hero-stats{position:relative;z-index:2;margin-top:40px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,1fr)}}
.stat-card{background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);padding:18px;box-shadow:var(--inset)}
.stat-num{font-size:26px;font-weight:700;line-height:1.2;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px}

/* 功能步骤 */
.feature-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.feature-grid{grid-template-columns:1.15fr .85fr}}
.feature-card{position:relative;background:linear-gradient(180deg,var(--glass-2),var(--glass));border:1px solid var(--stroke);border-radius:var(--r-panel);padding:28px;box-shadow:var(--inset);transition:transform .25s ease,border-color .25s ease;overflow:hidden}
.feature-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));opacity:0;transition:opacity .25s ease}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(37,224,192,.4)}
.feature-card:hover::before{opacity:1}
.feature-card--wide{grid-column:1 / -1}
.feature-num{font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--brand);border:1px solid var(--stroke-brand);border-radius:var(--r-pill);padding:3px 12px;display:inline-block}
.feature-card h3{font-size:20px;line-height:1.4;font-weight:600;margin-top:16px}
.feature-card p{margin-top:10px;color:var(--ink-2);font-size:15.5px;line-height:1.8;max-width:640px}
.feature-card .link-more{margin-top:18px}

/* 奖励预览 */
.reward-grid{display:flex;flex-wrap:wrap;gap:20px}
.reward-grid > .cell{flex:1 1 calc(50% - 20px);min-width:0}
@media(min-width:1024px){.reward-grid > .cell{flex:1 1 calc(25% - 20px)}}
.reward-card{height:100%;background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;box-shadow:var(--inset)}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(37,224,192,.4);box-shadow:var(--shadow-1)}
.reward-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.reward-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.reward-card:hover .reward-media img{transform:scale(1.03)}
.reward-media .badge{position:absolute;left:12px;top:12px}
.reward-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.reward-body h3{font-size:17.5px;font-weight:600}
.reward-cond{font-size:13.5px;color:var(--ink-3)}
.reward-body .link-more{margin-top:auto}
@media(max-width:639px){
  .reward-grid{flex-wrap:nowrap;overflow-x:auto;scroll-snap-type:x mandatory;margin-left:-20px;margin-right:-20px;padding:0 20px 14px;gap:14px;-webkit-overflow-scrolling:touch}
  .reward-grid > .cell{flex:0 0 80%;scroll-snap-align:start}
}

/* 任务进度面板 */
.progress-panel{background:linear-gradient(180deg,var(--bg-2),var(--bg-1));border:1px solid var(--stroke);border-radius:var(--r-panel);padding:26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.progress-panel::after{content:"";position:absolute;right:-80px;bottom:-90px;width:280px;height:280px;background:radial-gradient(circle,rgba(37,224,192,.14),transparent 68%);pointer-events:none}
@media(min-width:768px){.progress-panel{padding:36px}}
.progress-panel h3{font-size:20px;font-weight:600}
.progress-track{position:relative;height:12px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);margin:22px 0 8px;overflow:visible}
.progress-fill{position:relative;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.progress-fill::after{content:"";position:absolute;right:-5px;top:50%;width:14px;height:14px;border-radius:50%;background:#EFFFFB;transform:translateY(-50%);box-shadow:0 0 16px rgba(37,224,192,.9)}
.progress-meta{display:flex;justify-content:space-between;font-size:13.5px;color:var(--ink-3)}
.progress-nodes{display:grid;gap:14px;margin-top:26px;grid-template-columns:1fr}
@media(min-width:768px){.progress-nodes{grid-template-columns:repeat(2,1fr)}}
.node-item{display:flex;align-items:flex-start;gap:12px;background:var(--glass);border:1px solid var(--stroke);border-radius:14px;padding:14px 16px}
.node-index{flex:0 0 30px;height:30px;border-radius:50%;border:1px solid var(--stroke-brand);display:grid;place-items:center;font-size:13px;font-weight:700;color:var(--brand)}
.node-body strong{display:block;font-size:15.5px;font-weight:600}
.node-body span{font-size:13px;color:var(--ink-3)}
.progress-side{display:flex;flex-direction:column;gap:16px}
.progress-side p{color:var(--ink-2);font-size:15.5px}
.side-list{display:grid;gap:10px}
.side-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.side-list li::before{content:"";flex:0 0 6px;height:6px;border-radius:50%;background:var(--brand);margin-top:11px}

/* 资讯列表 */
.news-grid{margin-bottom:-24px}
.news-card{height:100%;margin-bottom:24px;background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;box-shadow:var(--inset)}
.news-card:hover{transform:translateY(-4px);border-color:rgba(37,224,192,.4);box-shadow:var(--shadow-1)}
.news-cover{display:block;aspect-ratio:16/9;overflow:hidden;position:relative}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{font-size:17.5px;line-height:1.5;font-weight:600}
.news-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--brand);text-decoration:none}
.news-excerpt{color:var(--ink-2);font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:13px;color:var(--ink-3);margin-top:auto}
.empty-state{text-align:center;padding:56px 20px;border:1px dashed var(--stroke);border-radius:var(--r-panel);background:var(--glass)}
.empty-state svg{width:44px;height:44px;stroke:var(--brand);fill:none;stroke-width:1.6;margin:0 auto 16px}
.empty-state p{color:var(--ink-2);margin-bottom:18px}

/* 运行保障 */
.guard-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:768px){.guard-grid{grid-template-columns:1.1fr .9fr}}
.guard-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.metric-card{background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);padding:20px;box-shadow:var(--inset)}
.metric-card strong{display:block;font-size:24px;font-weight:700;color:var(--brand)}
.metric-card span{font-size:13.5px;color:var(--ink-3)}
.quote-card{background:linear-gradient(180deg,var(--glass-2),var(--glass));border:1px solid var(--stroke);border-left:3px solid var(--brand);border-radius:var(--r-card);padding:22px;margin-top:18px}
.quote-card p{color:var(--ink-2);font-size:15.5px}
.quote-card cite{display:block;margin-top:12px;font-style:normal;font-size:13.5px;color:var(--ink-3)}

/* FAQ */
.accordion{border:0;background:transparent;margin:0;max-width:900px}
.accordion-item{border:1px solid var(--stroke);border-radius:var(--r-card);background:var(--glass);margin-bottom:14px;overflow:hidden}
.accordion-title{position:relative;display:block;padding:20px 58px 20px 22px;font-size:17px;font-weight:600;color:var(--ink);border:0;background:transparent;line-height:1.5}
.accordion-title::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:500;color:var(--brand);line-height:1;transition:transform .25s ease}
.accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.accordion-title:hover,.accordion-title:focus{background:var(--glass-2);color:var(--ink)}
.accordion-content{border:0;border-top:1px solid var(--stroke);background:rgba(255,255,255,.03);padding:18px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85}

/* 收口 CTA */
.cta-band{position:relative;background:var(--bg-1);border:1px solid var(--stroke);border-radius:var(--r-panel);padding:44px 24px;text-align:center;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:44px 44px;opacity:.5;pointer-events:none}
.cta-band::after{content:"";position:absolute;left:50%;top:-140px;width:520px;height:300px;transform:translateX(-50%);background:radial-gradient(circle,rgba(37,224,192,.18),transparent 68%);pointer-events:none}
.cta-band h2{position:relative;font-size:clamp(24px,3vw,34px)}
.cta-band p{position:relative;color:var(--ink-2);max-width:640px;margin:14px auto 26px}
.cta-band .btn{position:relative}
@media(min-width:768px){.cta-band{padding:64px 40px}}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding-top:56px;margin-top:20px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink)}
.footer-about{margin-top:14px;color:var(--ink-3);font-size:14.5px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--ink)}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--ink-2);font-size:14.5px}
.footer-col a:hover{color:var(--brand);text-decoration:none}
.footer-bottom{margin-top:44px;border-top:1px solid var(--stroke);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13.5px;color:var(--ink-3)}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--brand);text-decoration:none}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .btn:hover,.feature-card:hover,.reward-card:hover,.news-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --bg-2:#0E1A2E;
  --brand:#25E0C0;
  --brand-2:#3BC9FF;
  --amber:#FF8A3D;
  --violet:#7A6BFF;
  --ink:#E9F1FB;
  --ink-2:#A7B6CC;
  --ink-3:#6C7C96;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.14);
  --stroke-brand:rgba(37,224,192,.30);
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 24px rgba(37,224,192,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  padding-bottom:calc(74px + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:#5FF0D6;text-decoration:underline;text-underline-offset:4px}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink)}
p{margin:0}
ul,ol{margin:0}
::selection{background:rgba(37,224,192,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
@media screen and (min-width:640px){.container{padding-left:24px;padding-right:24px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,10,20,.74);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--stroke);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.94);box-shadow:0 10px 32px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:62px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.logo:hover{color:var(--ink);text-decoration:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04211D;font-size:17px;font-weight:800;
  box-shadow:var(--glow);
}
.logo-text{font-size:18px;letter-spacing:.5px;white-space:nowrap}
.main-nav{display:none}
.header-actions{display:flex;align-items:center;gap:10px}
@media screen and (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
  .main-nav a{
    position:relative;padding:10px 14px;border-radius:10px;
    color:var(--ink-2);font-size:15px;font-weight:500;white-space:nowrap;
    transition:color .2s ease,background .2s ease;
  }
  .main-nav a::after{
    content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand),var(--brand-2));
    transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  }
  .main-nav a:hover{color:var(--ink);background:var(--glass);text-decoration:none}
  .main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
  .main-nav a.is-active{color:var(--ink)}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,filter .25s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#04211D;box-shadow:0 0 24px rgba(37,224,192,.32);
}
.btn-primary:hover{filter:brightness(1.08);color:#04211D;box-shadow:0 0 38px rgba(37,224,192,.52)}
.btn-ghost{background:var(--glass);color:var(--ink);border-color:var(--stroke)}
.btn-ghost:hover{background:var(--glass-2);border-color:var(--stroke-brand);color:var(--ink)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:12px}
.btn:disabled,.btn[disabled]{opacity:.45;box-shadow:none;transform:none;cursor:not-allowed}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:13px;font-weight:500;line-height:1.5;
  border:1px solid var(--stroke-brand);background:rgba(37,224,192,.08);color:var(--brand);
}
.badge-amber{border-color:rgba(255,138,61,.36);background:rgba(255,138,61,.10);color:var(--amber)}
.badge-grey{border-color:var(--stroke);background:var(--glass);color:var(--ink-3)}

/* ---------- 页面主体 ---------- */
.page{padding-top:32px;padding-bottom:56px}
@media screen and (min-width:1024px){.page{padding-top:48px;padding-bottom:96px}}

.breadcrumb{margin-bottom:24px}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;font-size:14px;color:var(--ink-3)}
.breadcrumb li{display:inline-flex;align-items:center;max-width:100%}
.breadcrumb li+li::before{content:"/";margin:0 10px;color:var(--ink-3);opacity:.7}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:min(58vw,420px)}

.post-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;align-items:start}
@media screen and (max-width:1199px){
  .post-main{max-width:760px;margin:0 auto;width:100%}
}
@media screen and (min-width:1200px){
  .post-layout{grid-template-columns:minmax(0,760px) 312px;gap:56px;justify-content:center}
}

/* ---------- 文章头 ---------- */
.post-head{margin-bottom:28px}
.post-head .badge{margin-bottom:16px}
.post-title{font-size:clamp(28px,4.6vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.4px;margin-bottom:18px}
.post-lead{font-size:16px;line-height:1.9;color:var(--ink-2);margin-bottom:20px;max-width:760px}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--ink-3)}
.post-meta span,.post-meta time{display:inline-flex;align-items:center;gap:6px}
.post-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);opacity:.7;display:inline-block}
.post-divider{height:1px;margin:26px 0 0;background:linear-gradient(90deg,var(--stroke-brand),rgba(255,255,255,0) 78%)}

/* ---------- 文章封面 ---------- */
.post-cover{
  margin:0 0 32px;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--stroke);background:linear-gradient(135deg,var(--bg-2),var(--bg-1));
  box-shadow:var(--shadow-1);aspect-ratio:16/8;
}
.post-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文排版 ---------- */
.post-content{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:760px}
.post-content>*:first-child{margin-top:0}
.post-content p{margin:0 0 1.2em}
.post-content h2{font-size:clamp(21px,2.4vw,26px);line-height:1.45;font-weight:700;color:var(--ink);margin:40px 0 14px}
.post-content h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--ink);margin:28px 0 12px}
.post-content h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px}
.post-content ul,.post-content ol{margin:0 0 1.2em;padding-left:22px}
.post-content li+li{margin-top:.5em}
.post-content li::marker{color:var(--brand)}
.post-content blockquote{
  margin:24px 0;padding:18px 22px;font-style:normal;
  border-left:3px solid var(--brand);border-radius:0 16px 16px 0;
  background:var(--glass);color:var(--ink-2);
}
.post-content blockquote p:last-child{margin-bottom:0}
.post-content img{border-radius:16px;margin:24px auto;box-shadow:var(--shadow-1);height:auto}
.post-content figure{margin:24px 0}
.post-content figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-3)}
.post-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.post-content strong{color:var(--ink);font-weight:600}
.post-content table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:15px;border-radius:14px;overflow:hidden}
.post-content th,.post-content td{padding:11px 14px;border-bottom:1px solid var(--stroke);text-align:left;color:var(--ink-2)}
.post-content th{background:var(--glass);color:var(--ink);font-weight:600}
.post-content code{background:var(--glass);padding:2px 7px;border-radius:6px;font-size:15px;color:var(--brand)}
.post-content hr{border:0;height:1px;background:var(--stroke);margin:32px 0}

/* ---------- 文末 ---------- */
.post-foot{margin-top:44px;padding-top:30px;border-top:1px solid var(--stroke)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.tag-row .tag-label{font-size:13px;color:var(--ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);
  font-size:13px;color:var(--ink-2);transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{color:var(--brand);border-color:var(--stroke-brand);background:rgba(37,224,192,.07);text-decoration:none}

.related{margin-top:52px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.related-head h2{font-size:clamp(20px,2.3vw,24px);font-weight:700;line-height:1.4}
.related-head a{font-size:14px;color:var(--ink-3)}
.related-head a:hover{color:var(--brand)}

.news-card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,var(--brand),transparent);
  opacity:0;transition:opacity .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(37,224,192,.4);box-shadow:var(--shadow-2);text-decoration:none;color:inherit}
.news-card:hover::before{opacity:1}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--bg-2),var(--bg-1))}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;top:12px;left:12px;background:rgba(6,10,20,.72);backdrop-filter:blur(6px);z-index:2}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  margin:0;font-size:14px;line-height:1.7;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body time{margin-top:auto;font-size:13px;color:var(--ink-3)}

.post-back{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 侧栏 ---------- */
.post-side{display:none}
@media screen and (min-width:1200px){
  .post-side{display:block;position:sticky;top:104px}
}
.side-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card+.side-card{margin-top:20px}
.side-card h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:16px}
.side-rows{display:grid;gap:12px}
.side-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;font-size:14px;color:var(--ink-2)}
.side-row .k{color:var(--ink-3);flex:0 0 auto}
.side-row .v{text-align:right;color:var(--ink-2);word-break:break-word}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.side-list a{position:relative;display:block;padding-left:16px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.side-list a::before{
  content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:50%;
  background:var(--brand);opacity:.75;transition:transform .2s ease;
}
.side-list a:hover{color:var(--brand);text-decoration:none}
.side-list a:hover::before{transform:scale(1.3)}
.side-note{font-size:13px;line-height:1.85;color:var(--ink-3);margin-bottom:16px}

/* ---------- 空内容 ---------- */
.empty-state{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-panel);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(37,224,192,.08);border:1px solid var(--stroke-brand);
}
.empty-icon svg{width:30px;height:30px;stroke:var(--brand);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{font-size:15px;line-height:1.9;color:var(--ink-3);max-width:520px;margin:0 auto 26px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding:56px 0 24px;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media screen and (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media screen and (min-width:1024px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:44px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.9;color:var(--ink-3);max-width:330px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--ink)}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.7;color:var(--ink-3)}
.footer-col a{color:var(--ink-3)}
.footer-col a:hover{color:var(--brand);text-decoration:none}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;
  background:rgba(8,14,26,.96);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-top:1px solid var(--stroke);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab a{
  flex:1;min-height:60px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  position:relative;font-size:11px;line-height:1.4;color:var(--ink-3);
  transition:color .2s ease;
}
.mobile-tab a svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a:hover{color:var(--ink-2);text-decoration:none}
.mobile-tab a.is-active{color:var(--brand)}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:28px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 12px rgba(37,224,192,.85);
}
@media screen and (min-width:1024px){.mobile-tab{display:none}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .news-card:hover{transform:none}
  .btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --bg-2:#0E1A2E;
  --brand:#25E0C0;
  --brand-2:#3BC9FF;
  --amber:#FF8A3D;
  --violet:#7A6BFF;
  --ink:#E9F1FB;
  --ink-2:#A7B6CC;
  --ink-3:#6C7C96;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.14);
  --stroke-brand:rgba(37,224,192,.30);
  --radius-card:18px;
  --radius-panel:24px;
  --radius-btn:14px;
  --radius-input:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 24px rgba(37,224,192,.35);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(60px + env(safe-area-inset-bottom));
  overflow-x:hidden;
}
body.no-tabbar{padding-bottom:0;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:#7CF3E0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 1.05em;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:640px){.container{padding:0 24px;}}
@media (min-width:1280px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--stroke);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.94);
  border-bottom-color:rgba(37,224,192,.22);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04121A;
  font-weight:800;
  font-size:19px;
  box-shadow:var(--glow);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.5px;}
.main-nav{display:none;flex:1 1 auto;justify-content:center;gap:6px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:2px;
  height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
@media (min-width:1024px){.main-nav{display:flex;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#04121A;
  box-shadow:0 0 24px rgba(37,224,192,.35);
}
.btn-primary:hover{
  color:#04121A;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 34px rgba(37,224,192,.5);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(37,224,192,.3);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--stroke);
  color:var(--ink);
}
.btn-ghost:hover{
  background:var(--glass-2);
  border-color:var(--stroke-brand);
  color:var(--ink);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ---------- breadcrumb ---------- */
.crumb-bar{
  background:linear-gradient(180deg,rgba(14,26,46,.85),rgba(6,10,20,0));
  border-bottom:1px solid rgba(255,255,255,.06);
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:14px 0;
  font-size:13px;
  color:var(--ink-3);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;color:var(--ink-3);}
.crumb li+li::before{content:"/";color:var(--ink-3);opacity:.6;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--ink);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(115deg,rgba(6,10,20,.96) 12%,rgba(9,18,34,.82) 52%,rgba(6,10,20,.94) 100%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--stroke);
}
.cat-hero::after{
  content:"";
  position:absolute;
  top:-40%;right:-12%;
  width:56%;height:190%;
  background:linear-gradient(90deg,rgba(37,224,192,0),rgba(37,224,192,.16),rgba(59,201,255,0));
  transform:rotate(18deg);
  filter:blur(6px);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.hero-pad{padding:52px 0 56px;}
@media (min-width:768px){.hero-pad{padding:72px 0 76px;}}
@media (min-width:1024px){.hero-pad{padding:88px 0 92px;}}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.08);
  font-size:13px;
  color:var(--ink-2);
  line-height:1.5;
}
.badge-brand{border-color:var(--stroke-brand);background:rgba(37,224,192,.10);color:var(--brand);}
.badge-amber{border-color:rgba(255,138,61,.34);background:rgba(255,138,61,.10);color:var(--amber);}
.hero-title{
  font-size:clamp(30px,5vw,52px);
  line-height:1.2;
  font-weight:700;
  max-width:16em;
}
.hero-sub{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin-top:40px;
  padding:20px;
  border-radius:var(--radius-panel);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  backdrop-filter:blur(8px);
}
@media (min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:24px 28px;}}
.stat{display:flex;flex-direction:column;gap:4px;min-width:0;}
.stat-num{
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  line-height:1.2;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-label{font-size:13px;color:var(--ink-3);}

/* ---------- section ---------- */
.section{padding:56px 0;}
@media (min-width:640px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:104px 0;}}
.section-alt{background:var(--bg-1);}
.section-deep{background:linear-gradient(180deg,var(--bg-0),var(--bg-2) 60%,var(--bg-0));}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.eyebrow{
  display:inline-block;
  margin-bottom:10px;
  font-size:13px;
  letter-spacing:2px;
  color:var(--brand);
  text-transform:uppercase;
}
.section-lead{max-width:760px;font-size:16px;color:var(--ink-2);margin-top:12px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-more:hover{color:#7CF3E0;text-decoration:underline;text-underline-offset:4px;}

/* ---------- zigzag ---------- */
.zigzag{display:flex;flex-direction:column;gap:48px;}
@media (min-width:1024px){.zigzag{gap:72px;}}
.zig-row{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
  align-items:center;
}
@media (min-width:1024px){
  .zig-row{grid-template-columns:1.05fr 1fr;gap:52px;}
  .zig-row.reverse .zig-media{order:2;}
  .zig-row.reverse .zig-body{order:1;}
}
.zig-media{position:relative;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);}
.zig-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .4s ease;
}
.zig-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(37,224,192,.14),rgba(6,10,20,.55));
  pointer-events:none;
}
.zig-media:hover img{transform:scale(1.03);}
.zig-index{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:2px;
  color:var(--brand);
  margin-bottom:12px;
}
.zig-index::before{
  content:"";
  width:26px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.zig-body h3{font-size:20px;line-height:1.45;margin-bottom:12px;}
.zig-body p{max-width:760px;}
.zig-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.zig-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--ink-2);
}
.zig-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 10px rgba(37,224,192,.5);
}
.zig-body .link-more{margin-top:18px;}

/* ---------- cards ---------- */
.grid-cards{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.grid-cards{grid-template-columns:repeat(3,minmax(0,1fr));}}
.card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:14px;
  height:100%;
  padding:24px;
  border-radius:var(--radius-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06),var(--shadow-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card::before{
  content:"";
  position:absolute;
  left:18px;right:18px;top:0;
  height:1px;
  background:linear-gradient(90deg,rgba(37,224,192,0),rgba(37,224,192,.9),rgba(37,224,192,0));
  opacity:0;
  transition:opacity .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(37,224,192,.4);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06),var(--shadow-2),0 0 22px rgba(37,224,192,.18);
}
.card:hover::before{opacity:1;}
.card h3{font-size:19px;line-height:1.45;}
.card p{font-size:15px;line-height:1.8;}
.card-icon{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  border:1px solid var(--stroke-brand);
  background:rgba(37,224,192,.10);
  color:var(--brand);
  font-weight:700;
  font-size:15px;
}
.card-cover{border-radius:16px;overflow:hidden;margin:-4px -4px 0;}
.card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-cover img{transform:scale(1.03);}

/* ---------- check list panel ---------- */
.panel{
  border-radius:var(--radius-panel);
  border:1px solid var(--stroke);
  background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06),var(--shadow-1);
  padding:28px;
}
@media (min-width:768px){.panel{padding:36px;}}
.panel-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){.panel-grid{grid-template-columns:1fr 1fr;gap:36px;}}
.panel h3{font-size:20px;margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{
  display:flex;
  gap:12px;
  padding:14px 16px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.22);
  font-size:15px;
  color:var(--ink-2);
  line-height:1.75;
}
.check-list .idx{
  flex:0 0 auto;
  width:24px;height:24px;
  display:grid;place-items:center;
  border-radius:8px;
  background:rgba(37,224,192,.14);
  border:1px solid var(--stroke-brand);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
}
.check-list .idx.warm{background:rgba(255,138,61,.14);border-color:rgba(255,138,61,.34);color:var(--amber);}

/* ---------- quick links ---------- */
.quick-links{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.quick-links{grid-template-columns:repeat(3,minmax(0,1fr));}}
.quick-link{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px;
  border-radius:var(--radius-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  color:var(--ink);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.quick-link:hover{
  color:var(--ink);
  transform:translateY(-4px);
  border-color:rgba(37,224,192,.4);
  background:var(--glass-2);
}
.quick-link strong{font-size:17px;font-weight:600;}
.quick-link span{font-size:14px;color:var(--ink-3);line-height:1.7;}
.quick-link em{
  font-style:normal;
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  margin-top:4px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.accordion .accordion-item:hover{border-color:rgba(37,224,192,.32);}
.accordion .accordion-item.is-active{border-color:var(--stroke-brand);background:rgba(255,255,255,.075);}
.accordion .accordion-title{
  position:relative;
  display:block;
  border:0;
  padding:18px 54px 18px 20px;
  background:transparent;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.accordion .accordion-title:hover{background:transparent;color:var(--brand);}
.accordion .accordion-title h3{font-size:17px;font-weight:600;line-height:1.6;display:inline;color:inherit;}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:20px;
  line-height:1;
  color:var(--brand);
  transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.accordion .accordion-content{
  border:0;
  padding:0 20px 20px;
  background:rgba(0,0,0,.24);
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
}
.accordion .accordion-content p{color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-panel);
  border:1px solid var(--stroke);
  background:linear-gradient(140deg,rgba(37,224,192,.14),rgba(59,201,255,.06) 45%,rgba(10,18,34,.9));
  padding:44px 24px;
  text-align:center;
  box-shadow:var(--shadow-2);
}
.cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
  pointer-events:none;
}
.cta > *{position:relative;z-index:2;}
.cta h2{font-size:clamp(22px,3vw,30px);line-height:1.35;}
.cta p{max-width:620px;margin:14px auto 26px;font-size:16px;}
@media (min-width:768px){.cta{padding:60px 40px;}}

/* ---------- footer ---------- */
.site-footer{
  margin-top:8px;
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);}
.footer-about{margin-top:16px;font-size:14px;line-height:1.9;color:var(--ink-3);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:var(--ink-3);line-height:1.7;}
.footer-col a{font-size:14px;color:var(--ink-2);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- mobile tabbar ---------- */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  display:flex;
  height:60px;
  padding-bottom:env(safe-area-inset-bottom);
  background:#070D19;
  border-top:1px solid var(--stroke);
  box-shadow:0 -8px 24px rgba(0,0,0,.5);
}
.tabbar a{
  position:relative;
  flex:1 1 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  min-height:44px;
  font-size:11.5px;
  color:var(--ink-3);
  transition:color .2s ease;
}
.tabbar a::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:0;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:translateX(-50%);
  transition:width .25s ease;
  box-shadow:0 0 10px rgba(37,224,192,.7);
}
.tabbar a.is-active{color:var(--brand);}
.tabbar a.is-active::before{width:34px;}
.tabbar svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
@media (min-width:1024px){
  .tabbar{display:none;}
  body{padding-bottom:0;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --bg-2:#0E1A2E;
  --brand:#25E0C0;
  --brand-2:#3BC9FF;
  --amber:#FF8A3D;
  --violet:#7A6BFF;
  --ink:#E9F1FB;
  --ink-2:#A7B6CC;
  --ink-3:#6C7C96;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.14);
  --stroke-brand:rgba(37,224,192,.32);
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-badge:999px;
  --r-input:12px;
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 24px rgba(37,224,192,.35);
  --container:1200px;
  --gap-block:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(60px + env(safe-area-inset-bottom));
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:#7BF3DF;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-size:clamp(30px,5vw,52px);line-height:1.2;letter-spacing:.5px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.2em;max-width:760px;color:var(--ink-2);}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
.num,.metric-value,.stat-value{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease,filter .25s ease;
  min-height:44px;text-align:center;
}
.btn-primary{
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#04211C;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 34px rgba(37,224,192,.5);color:#04211C;}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);box-shadow:0 0 14px rgba(37,224,192,.3);}
.btn-ghost{
  background:var(--glass);color:var(--ink);border-color:var(--stroke);
}
.btn-ghost:hover{background:var(--glass-2);border-color:var(--stroke-brand);transform:translateY(-2px);color:var(--ink);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(6,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--stroke);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.92);box-shadow:0 10px 30px rgba(0,0,0,.45);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:70px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .header-inner{min-height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#04211C;font-weight:700;font-size:17px;
  box-shadow:0 0 18px rgba(37,224,192,.35);
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:1px;}
.main-nav{display:none;align-items:center;gap:26px;}
.main-nav a{
  position:relative;color:var(--ink-2);font-size:15px;font-weight:500;padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
  border-radius:2px;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink);}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
@media screen and (max-width:1023px){
  .header-actions .btn{display:none;}
}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--stroke);
  background:
    linear-gradient(180deg,rgba(6,10,20,.86),rgba(6,10,20,.96)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 320px at 82% 12%,rgba(37,224,192,.16),transparent 70%),
    radial-gradient(420px 260px at 8% 92%,rgba(59,201,255,.12),transparent 72%);
  pointer-events:none;
}
.page-banner::after{
  content:"";position:absolute;left:-10%;top:-40%;width:120%;height:180%;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 90px);
  opacity:.5;pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:34px 0 44px;}
.breadcrumb{margin-bottom:22px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--ink-3);opacity:.6;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb [aria-current="page"]{color:var(--brand);}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  border:1px solid var(--stroke-brand);background:rgba(37,224,192,.08);
  color:var(--brand);font-size:13px;font-weight:600;margin-bottom:18px;
}
.banner-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
.banner-lead{font-size:16px;line-height:1.9;max-width:720px;color:var(--ink-2);margin:18px 0 0;}

/* ---------- 指标条 ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;
  margin-top:28px;
}
.metric{
  padding:16px 18px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
}
.metric-value{
  display:block;font-size:24px;font-weight:700;line-height:1.2;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{display:block;font-size:13px;color:var(--ink-3);margin-top:4px;}

/* ---------- 通用区块 ---------- */
.section{padding:var(--gap-block) 0;}
.section-alt{background:linear-gradient(180deg,var(--bg-0),var(--bg-1));border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--ink-3);}
.section-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:2px;font-weight:700;
  color:var(--brand);margin-bottom:10px;text-transform:uppercase;
}

/* ---------- 宫格卡片 ---------- */
.feature-card{
  position:relative;height:100%;
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--stroke);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.06);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,224,192,.9),transparent);
  opacity:0;transition:opacity .25s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--stroke-brand);box-shadow:var(--shadow-2),inset 0 0 0 1px rgba(255,255,255,.06);}
.feature-card:hover::before{opacity:1;}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#0E1A2E,#0A1222);}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,20,.05),rgba(6,10,20,.72));
}
.feature-index{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;font-weight:700;letter-spacing:1px;
  padding:5px 11px;border-radius:var(--r-badge);
  background:rgba(6,10,20,.7);border:1px solid var(--stroke);color:var(--brand);
}
.feature-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.feature-body h3{margin-bottom:10px;}
.feature-body p{font-size:14.5px;line-height:1.8;margin:0;color:var(--ink-2);}
.feature-link{
  margin-top:16px;font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.feature-link::after{content:"→";transition:transform .25s ease;}
.feature-card:hover .feature-link::after{transform:translateX(4px);}

/* ---------- 数据面板 ---------- */
.data-panel{
  display:grid;grid-template-columns:1fr;gap:24px;
  padding:24px;border-radius:var(--r-panel);
  background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.06);
}
.data-panel h2{margin-bottom:12px;}
.panel-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.1);
}
.panel-list li:last-child{border-bottom:0;}
.panel-dot{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--brand);
  border:1px solid var(--stroke-brand);background:rgba(37,224,192,.08);
}
.panel-list strong{display:block;font-size:15px;color:var(--ink);}
.panel-list span{font-size:13.5px;color:var(--ink-3);}
.progress-block{display:flex;flex-direction:column;gap:22px;}
.progress-track{
  position:relative;height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:visible;
}
.progress-fill{
  position:absolute;left:0;top:0;bottom:0;width:68%;border-radius:999px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 18px rgba(37,224,192,.45);
}
.progress-fill::after{
  content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;border-radius:50%;background:#EAFEFF;
  box-shadow:0 0 14px rgba(37,224,192,.9);
}
.progress-nodes{display:flex;justify-content:space-between;gap:8px;margin-top:6px;}
.node{flex:1 1 0;text-align:center;font-size:12.5px;color:var(--ink-3);}
.node i{
  display:block;width:12px;height:12px;border-radius:50%;margin:0 auto 8px;
  border:2px solid var(--stroke);background:var(--bg-2);
}
.node.done i{border-color:var(--amber);background:var(--amber);box-shadow:0 0 12px rgba(255,138,61,.5);}
.node.now i{border-color:var(--brand);background:var(--brand);box-shadow:0 0 12px rgba(37,224,192,.6);}
.node.done{color:var(--amber);}
.node.now{color:var(--brand);font-weight:600;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-badge);font-size:12.5px;font-weight:600;
  border:1px solid var(--stroke);background:rgba(255,255,255,.06);color:var(--ink-2);
}
.badge-brand{border-color:var(--stroke-brand);background:rgba(37,224,192,.1);color:var(--brand);}
.badge-amber{border-color:rgba(255,138,61,.34);background:rgba(255,138,61,.1);color:var(--amber);}
.badge-mute{color:var(--ink-3);}

/* ---------- 编号步骤 ---------- */
.step-row{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.08);
}
.step-row:last-child{border-bottom:0;}
.step-no{
  flex:0 0 52px;font-size:24px;font-weight:700;line-height:1.2;
  color:transparent;background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;
}
.step-row h3{margin-bottom:8px;}
.step-row p{margin:0;font-size:14.5px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap .accordion{border:0;background:transparent;}
.faq-wrap .accordion-item{
  background:var(--glass);border:1px solid var(--stroke);
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
}
.faq-wrap .accordion-title{
  font-size:17px;font-weight:600;color:var(--ink);
  padding:18px 52px 18px 20px;border:0;background:transparent;
  transition:background-color .25s ease,color .25s ease;
}
.faq-wrap .accordion-title::before{
  right:20px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:18px;
}
.faq-wrap .accordion-title:hover{background:var(--glass-2);color:var(--brand);}
.faq-wrap .accordion-content{
  padding:0 20px 20px;background:rgba(0,0,0,.18);border-top:1px solid rgba(255,255,255,.07);
  color:var(--ink-2);font-size:15px;line-height:1.85;
}
.faq-wrap .accordion-content p{margin:14px 0 0;font-size:15px;color:var(--ink-2);}

/* ---------- 相关入口 ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:16px;}
.related-card{
  display:block;padding:22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--stroke);
  box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.06);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--stroke-brand);box-shadow:var(--shadow-2);color:var(--ink);}
.related-card h3{font-size:17px;margin-bottom:8px;color:var(--ink);}
.related-card p{margin:0;font-size:14px;color:var(--ink-3);}
.related-card .feature-link{margin-top:14px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);
  padding:44px 24px;text-align:center;
  background:linear-gradient(150deg,rgba(37,224,192,.14),rgba(59,201,255,.08) 45%,rgba(255,255,255,.03));
  border:1px solid var(--stroke-brand);
  box-shadow:var(--shadow-2),inset 0 0 0 1px rgba(255,255,255,.06);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;opacity:.35;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band p{margin:14px auto 26px;max-width:640px;color:var(--ink-2);font-size:15px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  border-top:1px solid var(--stroke);
  padding:52px 0 24px;margin-top:var(--gap-block);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.85;color:var(--ink-3);max-width:340px;margin:0;}
.footer-col h4{font-size:15px;margin-bottom:14px;color:var(--ink);}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:var(--ink-3);}
.footer-col ul li a{color:var(--ink-2);}
.footer-col ul li a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 移动底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:flex;align-items:stretch;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(8,13,24,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--stroke);
}
.tabbar a{
  position:relative;flex:1 1 0;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11.5px;color:var(--ink-3);min-height:44px;
}
.tabbar a::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:42px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 12px rgba(37,224,192,.8);
  transition:transform .25s ease;
}
.tabbar a.is-active{color:var(--brand);}
.tabbar a.is-active::before{transform:translateX(-50%) scaleX(1);}
.tabbar svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tabbar a.is-active svg{filter:drop-shadow(0 0 8px rgba(37,224,192,.55));}

/* ---------- 响应式 ---------- */
@media screen and (min-width:640px){
  .container{padding-left:24px;padding-right:24px;}
  :root{--gap-block:72px;}
  .metric-bar{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:56px 40px;}
  .data-panel{padding:32px;}
}
@media screen and (min-width:1024px){
  :root{--gap-block:104px;}
  .main-nav{display:flex;}
  .tabbar{display:none;}
  body{padding-bottom:0;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}
  .data-panel{grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;}
}
@media screen and (min-width:1280px){
  .container{padding-left:32px;padding-right:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .btn:hover,.feature-card:hover,.related-card:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A14;
  --bg-1:#0A1222;
  --bg-2:#0E1A2E;
  --brand:#25E0C0;
  --brand-2:#3BC9FF;
  --amber:#FF8A3D;
  --violet:#7A6BFF;
  --ink:#E9F1FB;
  --ink-2:#A7B6CC;
  --ink-3:#6C7C96;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.14);
  --stroke-brand:rgba(37,224,192,.30);
  --shadow-1:0 8px 24px rgba(0,0,0,.35);
  --shadow-2:0 18px 48px rgba(0,0,0,.5);
  --glow:0 0 24px rgba(37,224,192,.35);
  --r-card:18px;
  --r-panel:24px;
  --r-btn:14px;
  --r-input:12px;
  --sp-s:16px;
  --sp-m:24px;
  --sp-l:32px;
  --sec-m:56px;
  --sec-t:72px;
  --sec-d:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 500px at 82% -8%, rgba(59,201,255,.16), transparent 62%),
    radial-gradient(700px 420px at 6% 8%, rgba(37,224,192,.12), transparent 60%),
    linear-gradient(180deg,#060A14 0%,#0A1222 46%,#060A14 100%);
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  z-index:-1;
  pointer-events:none;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
h1{font-size:clamp(30px,5vw,52px);line-height:1.2;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1.1em;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time,.num{font-variant-numeric:tabular-nums;}
button,input,select,textarea{font:inherit;color:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media screen and (min-width:640px){
  .container{padding-left:24px;padding-right:24px;}
}
.section{padding-top:var(--sec-m);padding-bottom:var(--sec-m);}
@media screen and (min-width:640px){
  .section{padding-top:var(--sec-t);padding-bottom:var(--sec-t);}
}
@media screen and (min-width:1024px){
  .section{padding-top:var(--sec-d);padding-bottom:var(--sec-d);}
}
.section-head{max-width:760px;margin-bottom:var(--sp-l);}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:14px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.section-head p{margin-top:14px;font-size:16px;}
.lead{font-size:17px;color:var(--ink-2);max-width:760px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(6,10,20,.68);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--stroke);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(6,10,20,.9);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:72px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;color:#04140F;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 18px rgba(37,224,192,.4);
  flex-shrink:0;
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--ink);}
.main-nav{display:none;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink);}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{display:none;align-items:center;gap:12px;}
@media screen and (min-width:1024px){
  .main-nav{display:flex;}
  .header-actions{display:flex;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,opacity .25s ease;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);
  box-shadow:var(--glow);
}
.btn-primary:hover{
  color:#04140F;
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 0 34px rgba(37,224,192,.55);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(37,224,192,.3);}
.btn-ghost{
  color:var(--ink);
  background:var(--glass);
  border-color:var(--stroke);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  color:var(--ink);
  background:var(--glass-2);
  border-color:var(--stroke-brand);
  transform:translateY(-2px);
  box-shadow:var(--shadow-1);
}
.btn-ghost:active{transform:translateY(0);}
.btn:focus-visible, a:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:12px;
}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.08);
  color:var(--ink-2);
}
.badge-brand{color:var(--brand);border-color:var(--stroke-brand);background:rgba(37,224,192,.10);}
.badge-amber{color:var(--amber);border-color:rgba(255,138,61,.32);background:rgba(255,138,61,.10);}
.badge-violet{color:#B7AEFF;border-color:rgba(122,107,255,.32);background:rgba(122,107,255,.10);}
.badge-muted{color:var(--ink-3);}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);}
.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:var(--ink-3);opacity:.6;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb [aria-current="page"]{color:var(--ink);}

/* ============ Banner ============ */
.cat-banner{
  position:relative;
  margin-top:24px;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:var(--bg-1);
  box-shadow:var(--shadow-2);
}
.cat-banner__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(6,10,20,.94) 0%,rgba(6,10,20,.72) 46%,rgba(6,10,20,.36) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.cat-banner__bg::after{
  content:"";
  position:absolute;top:-40%;left:-10%;width:60%;height:180%;
  background:linear-gradient(90deg,transparent,rgba(37,224,192,.16),transparent);
  transform:rotate(14deg);
  pointer-events:none;
}
.cat-banner__inner{
  position:relative;z-index:2;
  padding:40px 22px;
  display:grid;gap:var(--sp-l);
}
@media screen and (min-width:640px){
  .cat-banner__inner{padding:52px 36px;}
}
@media screen and (min-width:1024px){
  .cat-banner__inner{grid-template-columns:1.15fr .85fr;align-items:center;padding:64px 48px;}
}
.cat-banner h1{margin:16px 0 18px;max-width:15em;}
.cat-banner .lead{color:#C6D4E6;}
.banner-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.banner-cta .btn{flex:1 1 auto;min-width:150px;}
@media screen and (min-width:640px){
  .banner-cta .btn{flex:0 0 auto;}
}
.banner-media{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-2);
  position:relative;
}
.banner-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.banner-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(6,10,20,.7) 100%);
}
.banner-facts{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  margin-top:26px;padding-top:22px;
  border-top:1px solid var(--stroke);
}
.banner-facts div{display:flex;align-items:baseline;gap:8px;font-size:13.5px;color:var(--ink-3);}
.banner-facts b{font-size:22px;color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}

/* ============ 通用卡片 ============ */
.card{
  position:relative;
  height:100%;
  padding:26px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.06);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,224,192,.75),transparent);
  opacity:0;transition:opacity .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  border-color:rgba(37,224,192,.4);
  box-shadow:var(--shadow-2),inset 0 0 0 1px rgba(255,255,255,.06);
}
.card:hover::before{opacity:1;}
.card h3{margin-bottom:12px;}
.card .card-icon{
  width:44px;height:44px;border-radius:13px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  color:var(--brand);
  background:rgba(37,224,192,.10);
  border:1px solid var(--stroke-brand);
}
.card .card-icon svg{width:22px;height:22px;}
.card-num{
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);display:block;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.card ul{margin-top:14px;display:grid;gap:9px;}
.card ul li{
  position:relative;padding-left:18px;
  font-size:14.5px;color:var(--ink-2);line-height:1.7;
}
.card ul li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);opacity:.75;
}

/* ============ 检查清单 ============ */
.check-panel{
  padding:var(--sp-l) 24px;
  border-radius:var(--r-panel);
  border:1px solid var(--stroke);
  background:linear-gradient(140deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.06);
}
@media screen and (min-width:640px){
  .check-panel{padding:var(--sp-l) 36px;}
}
.check-list{display:grid;gap:18px;margin-top:24px;}
@media screen and (min-width:640px){
  .check-list{grid-template-columns:repeat(2,1fr);gap:18px 28px;}
}
@media screen and (min-width:1024px){
  .check-list{grid-template-columns:repeat(3,1fr);}
}
.check-item{display:flex;gap:14px;align-items:flex-start;}
.check-item .tick{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:3px;
  color:#04140F;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.check-item h3{font-size:16px;margin-bottom:6px;}
.check-item p{font-size:14.5px;margin:0;}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:25px;top:14px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(37,224,192,.75),rgba(59,201,255,.35),rgba(255,255,255,.06));
}
.tl-item{position:relative;padding-left:70px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;
  width:52px;height:52px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--brand);
  background:var(--bg-2);
  border:1px solid var(--stroke-brand);
  box-shadow:0 0 0 6px rgba(6,10,20,.9);
  font-variant-numeric:tabular-nums;
}
.tl-item.is-done .tl-num{
  color:var(--amber);
  border-color:rgba(255,138,61,.4);
  background:rgba(255,138,61,.12);
}
.tl-body{
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.tl-body:hover{
  transform:translateY(-3px);
  border-color:rgba(37,224,192,.35);
  box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.06);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-head h3{font-size:18px;}
.tl-body p{font-size:15px;margin-bottom:0;}
.tl-tips{margin-top:14px;display:grid;gap:8px;}
.tl-tips li{
  position:relative;padding-left:18px;
  font-size:14px;color:var(--ink-3);line-height:1.7;
}
.tl-tips li::before{
  content:"";position:absolute;left:0;top:10px;
  width:6px;height:1px;background:var(--brand-2);opacity:.8;
}
@media screen and (min-width:640px){
  .timeline::before{left:29px;}
  .tl-item{padding-left:86px;}
  .tl-num{width:58px;height:58px;font-size:17px;}
  .tl-body{padding:26px 28px;}
}

/* ============ 指标条 ============ */
.metrics{
  display:grid;gap:1px;
  border-radius:var(--r-panel);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:var(--stroke);
}
@media screen and (min-width:640px){
  .metrics{grid-template-columns:repeat(2,1fr);}
}
@media screen and (min-width:1024px){
  .metrics{grid-template-columns:repeat(4,1fr);}
}
.metric{
  background:rgba(10,18,34,.92);
  padding:26px 22px;
  transition:background .25s ease;
}
.metric:hover{background:rgba(14,26,46,.98);}
.metric b{
  display:block;
  font-size:clamp(26px,3vw,34px);
  font-weight:700;
  line-height:1.2;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--ink-3);}

/* ============ 图片区块 ============ */
.figure-block{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-1);
  position:relative;
}
.figure-block img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.figure-block:hover img{transform:scale(1.03);}
.figure-caption{
  margin-top:12px;font-size:13.5px;color:var(--ink-3);text-align:center;
}

/* ============ 情况处理列表 ============ */
.issue-list{display:grid;gap:14px;}
.issue{
  display:grid;gap:10px;
  padding:22px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  transition:transform .25s ease,border-color .25s ease;
}
.issue:hover{transform:translateY(-3px);border-color:rgba(37,224,192,.35);}
.issue-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.issue-head h3{font-size:16.5px;}
.issue p{font-size:14.5px;margin:0;}
@media screen and (min-width:1024px){
  .issue{grid-template-columns:minmax(0,280px) minmax(0,1fr);align-items:center;gap:26px;}
  .issue-head{display:block;}
  .issue-head h3{margin-top:8px;}
}

/* ============ FAQ ============ */
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--stroke);
  border-radius:var(--r-card);
  background:var(--glass);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.accordion .accordion-item:hover{border-color:rgba(37,224,192,.3);}
.accordion .accordion-item.is-active{border-color:var(--stroke-brand);background:rgba(255,255,255,.075);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  border:0;
  font-size:17px;font-weight:600;color:var(--ink);
  background:transparent;
}
.accordion .accordion-title:hover,
.accordion .accordion-title:focus{background:transparent;color:var(--brand);}
.accordion .accordion-title h3{font-size:17px;font-weight:600;margin:0;color:inherit;}
.accordion .accordion-title::before{
  content:"+";
  order:2;
  flex:0 0 auto;
  width:26px;height:26px;line-height:24px;text-align:center;
  border-radius:50%;
  font-size:16px;font-weight:600;
  color:var(--brand);
  border:1px solid var(--stroke-brand);
  background:rgba(37,224,192,.08);
  transition:transform .25s ease;
  margin:0;
}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"×";
  transform:rotate(90deg);
}
.accordion .accordion-content{
  padding:0 22px 22px;
  border:0;
  background:rgba(6,10,20,.35);
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
}
.accordion .accordion-content p{font-size:15px;}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  text-align:center;
  padding:52px 24px;
  border-radius:var(--r-panel);
  border:1px solid var(--stroke);
  background:
    radial-gradient(600px 300px at 50% 0%,rgba(37,224,192,.16),transparent 70%),
    linear-gradient(150deg,rgba(14,26,46,.95),rgba(10,18,34,.95));
  box-shadow:var(--shadow-2);
}
@media screen and (min-width:640px){
  .cta-panel{padding:66px 48px;}
}
.cta-panel::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:38px 38px;
  opacity:.55;
  pointer-events:none;
}
.cta-panel>*{position:relative;z-index:1;}
.cta-panel h2{margin:14px auto 16px;max-width:20em;}
.cta-panel p{max-width:640px;margin:0 auto 28px;}

/* ============ 相关入口 ============ */
.rel-grid{display:grid;gap:16px;}
@media screen and (min-width:640px){
  .rel-grid{grid-template-columns:repeat(3,1fr);}
}
.rel-link{
  display:block;height:100%;
  padding:24px;
  border-radius:var(--r-card);
  border:1px solid var(--stroke);
  background:var(--glass);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rel-link:hover{
  transform:translateY(-4px);
  border-color:rgba(37,224,192,.42);
  box-shadow:var(--shadow-2);
}
.rel-link h3{font-size:17px;margin-bottom:10px;color:var(--ink);}
.rel-link:hover h3{color:var(--brand);}
.rel-link p{font-size:14px;color:var(--ink-3);margin:0;}
.rel-link .arrow{
  display:inline-block;margin-top:14px;
  font-size:14px;font-weight:600;color:var(--brand);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;
  border-top:1px solid var(--stroke);
  background:rgba(6,10,20,.86);
  padding-top:var(--sec-m);
}
.footer-grid{display:grid;gap:32px;}
@media screen and (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.footer-about{font-size:14.5px;color:var(--ink-3);max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink);letter-spacing:.4px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col li{font-size:14.5px;color:var(--ink-3);}
.footer-col a{color:var(--ink-2);font-size:14.5px;}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:var(--sp-l);
  padding:22px 0 calc(22px + env(safe-area-inset-bottom));
  border-top:1px solid var(--stroke);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}

/* ============ 移动端底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:120;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(8,14,26,.97);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--stroke);
  padding-bottom:env(safe-area-inset-bottom);
  height:calc(60px + env(safe-area-inset-bottom));
}
.mobile-tab a{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;
  font-size:11.5px;
  color:var(--ink-3);
  min-height:44px;
}
.mobile-tab a svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.is-active{color:var(--brand);}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:22%;right:22%;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  box-shadow:0 0 12px rgba(37,224,192,.7);
}
@media screen and (min-width:1024px){
  .mobile-tab{display:none;}
}
@media screen and (max-width:1023px){
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
  .site-footer{padding-bottom:8px;}
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category4 */
:root{
--bg-0:#060A14;--bg-1:#0A1222;--bg-2:#0E1A2E;
--brand:#25E0C0;--brand-2:#3BC9FF;--amber:#FF8A3D;--violet:#7A6BFF;
--ink:#E9F1FB;--ink-2:#A7B6CC;--ink-3:#6C7C96;
--glass:rgba(255,255,255,.055);--glass-2:rgba(255,255,255,.09);--stroke:rgba(255,255,255,.14);
--brand-stroke:rgba(37,224,192,.3);
--shadow-1:0 8px 24px rgba(0,0,0,.35);--shadow-2:0 18px 48px rgba(0,0,0,.5);
--glow:0 0 24px rgba(37,224,192,.35);
--r-card:18px;--r-panel:24px;--r-btn:14px;--r-pill:999px;--r-input:12px;
--sp-1:16px;--sp-2:24px;--sp-3:32px;
--sect:56px;--container:1200px;--body-w:760px;
}
@media (min-width:768px){:root{--sect:72px}}
@media (min-width:1024px){:root{--sect:104px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{max-width:100%;overflow-x:hidden}
body{
margin:0;background:var(--bg-0);color:var(--ink);
font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
font-size:16px;line-height:1.8;font-variant-numeric:tabular-nums;
-webkit-font-smoothing:antialiased;
background-image:radial-gradient(900px 520px at 12% -6%,rgba(37,224,192,.10),transparent 62%),radial-gradient(780px 480px at 96% 4%,rgba(59,201,255,.09),transparent 60%);
background-repeat:no-repeat;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:#6df0d8;text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:640px){.container{padding-left:24px;padding-right:24px}}

/* ---------- header ---------- */
.site-header{
position:sticky;top:0;z-index:60;
background:rgba(8,13,24,.72);
backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
border-bottom:1px solid var(--stroke);
transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(6,10,20,.9);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;letter-spacing:.4px}
.logo:hover{color:var(--ink);text-decoration:none}
.logo-mark{
width:34px;height:34px;flex:0 0 34px;border-radius:11px;display:grid;place-items:center;
font-size:16px;font-weight:800;color:#04180f;
background:linear-gradient(135deg,var(--brand),var(--brand-2));
box-shadow:0 0 18px rgba(37,224,192,.35);
}
.logo-text{font-size:18px}
.main-nav{display:none;gap:4px;margin-left:auto}
.main-nav a{
position:relative;display:inline-block;padding:10px 12px;border-radius:10px;
color:var(--ink-2);font-size:15px;font-weight:500;white-space:nowrap;
}
.main-nav a::after{
content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
background:linear-gradient(90deg,var(--brand),var(--brand-2));
transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.main-nav a:hover{color:var(--ink);text-decoration:none;background:var(--glass)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--ink);background:var(--glass)}
.header-actions{display:none;align-items:center;gap:12px}
@media (min-width:1024px){
.main-nav,.header-actions{display:flex}
}

/* ---------- buttons ---------- */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
min-height:46px;padding:0 22px;border-radius:var(--r-btn);
border:1px solid transparent;font-size:16px;font-weight:600;cursor:pointer;
transition:transform .25s ease,box-shadow .25s ease,background .25s ease,opacity .25s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{
color:#04180f;background:linear-gradient(135deg,var(--brand),var(--brand-2));
box-shadow:0 8px 26px rgba(37,224,192,.28),var(--glow);
}
.btn-primary:hover{color:#04180f;filter:brightness(1.08);box-shadow:0 12px 34px rgba(37,224,192,.38),0 0 34px rgba(37,224,192,.5)}
.btn-primary:active{box-shadow:0 6px 18px rgba(37,224,192,.22)}
.btn-glass{
color:var(--ink);background:var(--glass);border-color:var(--stroke);
backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-glass:hover{color:var(--ink);background:var(--glass-2);border-color:var(--brand-stroke)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- breadcrumb ---------- */
.crumb{padding-top:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);list-style:none;padding:0;margin:0}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--ink-3);opacity:.6}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb [aria-current="page"]{color:var(--ink)}

/* ---------- hero (banner) ---------- */
.cat-hero{position:relative;overflow:hidden;padding:calc(var(--sect) * .78) 0 var(--sect);border-bottom:1px solid var(--stroke)}
.cat-hero::before{
content:"";position:absolute;inset:0;
background-image:linear-gradient(100deg,rgba(6,10,20,.94) 6%,rgba(6,10,20,.72) 48%,rgba(6,10,20,.9) 100%),url("/assets/images/backpic/back-3.webp");
background-size:cover;background-position:center;
opacity:.9;
}
.cat-hero::after{
content:"";position:absolute;inset:0;
background:linear-gradient(115deg,transparent 42%,rgba(37,224,192,.10) 56%,transparent 70%);
pointer-events:none;
}
.cat-hero .hero-grid{position:relative;z-index:2}
.hero-eyebrow{
display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
background:rgba(37,224,192,.08);border:1px solid var(--brand-stroke);color:var(--brand);
font-size:13px;font-weight:600;letter-spacing:.4px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}
.cat-hero h1{margin-top:20px;font-size:clamp(29px,4.6vw,48px);line-height:1.2;max-width:16em}
.cat-hero h1 .hl{background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:18px;max-width:44em;color:var(--ink-2);font-size:16px;line-height:1.9}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-cta .btn{flex:1 1 auto;min-width:180px}
@media (min-width:640px){.hero-cta .btn{flex:0 0 auto}}
.hero-side{position:relative;margin-top:34px}
.hero-figure{
position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--stroke);
box-shadow:var(--shadow-2);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,10,20,.05),rgba(6,10,20,.55))}
.hero-figure figcaption{
position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
font-size:13px;color:var(--ink-2);
}
@media (min-width:1024px){
.cat-hero .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-side{margin-top:0}
}

/* ---------- metric strip ---------- */
.metric-strip{
position:relative;z-index:3;margin-top:38px;
display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
background:var(--stroke);border:1px solid var(--stroke);border-radius:var(--r-card);overflow:hidden;
}
.metric{background:rgba(10,18,34,.72);padding:18px 20px}
.metric b{display:block;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.2;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{display:block;margin-top:6px;font-size:13px;color:var(--ink-3)}
@media (min-width:768px){.metric-strip{grid-template-columns:repeat(4,1fr)}}

/* ---------- generic section ---------- */
.section{padding:var(--sect) 0}
.section.tight{padding-top:calc(var(--sect) * .55)}
.sect-head{max-width:760px;margin-bottom:var(--sp-3)}
.sect-head h2{font-size:clamp(23px,3vw,33px)}
.sect-head p{margin-top:14px;color:var(--ink-2);line-height:1.9}
.sect-tag{
display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:var(--r-pill);
background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--ink-3);
font-size:12px;font-weight:600;letter-spacing:1px;
}
.sect-flex{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:var(--sp-3)}
.sect-flex .sect-head{margin-bottom:0}
.link-more{font-size:14px;font-weight:600;white-space:nowrap}

/* ---------- check list (long entries) ---------- */
.check-list{border-top:1px solid var(--stroke)}
.check-item{
display:grid;grid-template-columns:1fr;gap:16px;
padding:26px 0;border-bottom:1px solid var(--stroke);
transition:background .25s ease,padding-left .25s ease;
}
.check-item:hover{background:linear-gradient(90deg,rgba(37,224,192,.06),transparent 62%);padding-left:14px}
.check-num{font-size:26px;font-weight:700;line-height:1;color:transparent;background:linear-gradient(120deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text}
.check-body h3{font-size:20px}
.check-body p{margin-top:10px;color:var(--ink-2);max-width:60em;line-height:1.9}
.check-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.fact{font-size:13px;color:var(--ink-3);background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-pill);padding:5px 12px}
.fact b{color:var(--ink);font-weight:600}
.check-side{display:flex;flex-direction:column;gap:10px;justify-content:flex-start;align-items:flex-start}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;border:1px solid var(--stroke);background:rgba(255,255,255,.05);color:var(--ink-2)}
.badge-brand{color:var(--brand);border-color:var(--brand-stroke);background:rgba(37,224,192,.08)}
.badge-warm{color:var(--amber);border-color:rgba(255,138,61,.35);background:rgba(255,138,61,.08)}
.badge-mute{color:var(--ink-3)}
@media (min-width:768px){
.check-item{grid-template-columns:64px minmax(0,1fr) 220px;gap:28px;padding:32px 0}
}

/* ---------- progress / rhythm ---------- */
.panel{
background:linear-gradient(180deg,rgba(14,26,46,.9),rgba(10,18,34,.82));
border:1px solid var(--stroke);border-radius:var(--r-panel);
box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(255,255,255,.04);
padding:26px;
}
.panel-split{display:grid;gap:28px}
@media (min-width:1024px){.panel-split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:44px}}
.track{position:relative;height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:visible;margin:26px 0 12px}
.track-fill{position:absolute;left:0;top:0;bottom:0;width:66%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 18px rgba(37,224,192,.45)}
.track-fill::after{content:"";position:absolute;right:-6px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:#eafffb;box-shadow:0 0 18px rgba(37,224,192,.85)}
.track-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.nodes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}
.node{display:flex;gap:12px;align-items:flex-start}
.node-dot{
width:30px;height:30px;flex:0 0 30px;border-radius:50%;display:grid;place-items:center;
font-size:13px;font-weight:700;color:var(--ink-2);border:1px solid var(--stroke);background:var(--glass);
}
.node.is-done .node-dot{color:var(--amber);border-color:rgba(255,138,61,.42);background:rgba(255,138,61,.1)}
.node.is-now .node-dot{color:#04180f;border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:var(--glow)}
.node h4{font-size:15px}
.node p{font-size:13px;color:var(--ink-3);margin-top:4px}
@media (min-width:768px){.nodes{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}

/* ---------- info rows ---------- */
.rows{border-top:1px solid var(--stroke)}
.row{
display:grid;grid-template-columns:1fr;gap:10px;
padding:22px 0;border-bottom:1px solid var(--stroke);
}
.row h3{font-size:18px}
.row p{color:var(--ink-2);font-size:15px;line-height:1.85}
.row .row-tag{font-size:12px;letter-spacing:.6px;color:var(--ink-3);font-weight:600}
@media (min-width:768px){
.row{grid-template-columns:200px minmax(0,1fr) 170px;gap:26px;align-items:start;padding:24px 0}
.row .row-tag{padding-top:5px}
.row .row-link{padding-top:4px;text-align:right}
}

/* ---------- note cards ---------- */
.notes{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.notes{grid-template-columns:repeat(2,minmax(0,1fr))}}
.note{
position:relative;padding:24px;border-radius:var(--r-card);background:var(--glass);
border:1px solid var(--stroke);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.note::before{content:"";position:absolute;left:24px;right:24px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(37,224,192,.6),transparent);opacity:0;transition:opacity .25s ease}
.note:hover{transform:translateY(-4px);border-color:var(--brand-stroke);box-shadow:var(--shadow-1)}
.note:hover::before{opacity:1}
.note h3{font-size:18px}
.note p{margin-top:10px;color:var(--ink-2);font-size:15px;line-height:1.85}
.note .n-idx{display:inline-block;margin-bottom:12px;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.accordion{border:none;background:transparent;margin:0}
.accordion .accordion-item{border:none;margin-bottom:12px;border-radius:var(--r-card);overflow:hidden;background:var(--glass);border:1px solid var(--stroke)}
.accordion .accordion-title{
padding:18px 54px 18px 22px;font-size:17px;font-weight:600;color:var(--ink);
background:transparent;border:none;line-height:1.6;position:relative;
}
.accordion .accordion-title:hover{background:rgba(255,255,255,.05);color:var(--ink)}
.accordion .accordion-title::before{
content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
font-size:20px;font-weight:400;color:var(--brand);margin:0;line-height:1;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"×"}
.accordion .accordion-content{padding:0 22px 20px;background:rgba(0,0,0,.18);border:none;color:var(--ink-2);line-height:1.9}
.accordion .accordion-content p{color:var(--ink-2);font-size:15px}

/* ---------- related entries ---------- */
.related{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:768px){.related{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rel-card{
display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:var(--r-card);
background:var(--glass);border:1px solid var(--stroke);
transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--brand-stroke);background:var(--glass-2);text-decoration:none}
.rel-card .rel-kicker{font-size:12px;letter-spacing:1px;color:var(--ink-3);font-weight:600}
.rel-card h3{font-size:18px;color:var(--ink)}
.rel-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.rel-card .rel-go{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand)}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);background:var(--bg-1)}
.cta-band::before{
content:"";position:absolute;inset:0;opacity:.06;
background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
background-size:44px 44px;
}
.cta-band .inner{position:relative;z-index:2;text-align:center;padding:calc(var(--sect) * .82) 0}
.cta-band h2{font-size:clamp(23px,3vw,32px);max-width:22em;margin:0 auto}
.cta-band p{margin:16px auto 0;max-width:640px;color:var(--ink-2)}
.cta-band .btn{margin-top:28px}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding:var(--sect) 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink)}
.footer-about{margin-top:16px;color:var(--ink-3);font-size:14px;line-height:1.9;max-width:34em}
.footer-col h4{font-size:15px;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--ink-3)}
.footer-col a{color:var(--ink-2);font-size:14px}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
margin-top:36px;padding-top:20px;border-top:1px solid var(--stroke);
display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
font-size:13px;color:var(--ink-3);
}

/* ---------- mobile tab bar ---------- */
.tabbar{
position:fixed;left:0;right:0;bottom:0;z-index:70;
display:grid;grid-template-columns:repeat(4,1fr);
background:rgba(8,13,24,.96);
border-top:1px solid var(--stroke);
height:calc(60px + env(safe-area-inset-bottom));
padding-bottom:env(safe-area-inset-bottom);
backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.tabbar a{
position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
font-size:11px;color:var(--ink-3);min-height:44px;
}
.tabbar a::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);width:34px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:transform .25s ease}
.tabbar a.is-active{color:var(--brand)}
.tabbar a.is-active::before{transform:translateX(-50%) scaleX(1)}
.tabbar a.is-active svg{filter:drop-shadow(0 0 8px rgba(37,224,192,.65))}
.tabbar svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tabbar a:hover{text-decoration:none;color:var(--ink-2)}
body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
@media (min-width:1024px){
.tabbar{display:none}
body{padding-bottom:0}
}

@media (prefers-reduced-motion:reduce){
*{transition:none !important;animation:none !important}
.btn:hover,.note:hover,.rel-card:hover,.check-item:hover{transform:none}
}