/* roulang page: index */
:root{
  --bg:#0A0912;
  --bg-2:#11101F;
  --card:#151329;
  --line:#2A2646;
  --accent:#35F0C0;
  --accent-hover:#5BF7D2;
  --magenta:#FF3D8B;
  --warm:#F5C97B;
  --text:#ECEAF6;
  --muted:#9A96B8;
  --light:#F5F1E8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 0 0 1px rgba(53,240,192,.12), 0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(53,240,192,.32), 0 0 24px rgba(53,240,192,.22), 0 18px 40px -24px rgba(0,0,0,.9);
  --maxw:1200px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
::selection{background:rgba(53,240,192,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0912}
::-webkit-scrollbar-thumb{background:#2A2646;border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#3b3660}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;width:100%}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.neon-line{height:1px;background:linear-gradient(90deg,rgba(53,240,192,0),rgba(53,240,192,.35),rgba(53,240,192,0))}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);background:rgba(53,240,192,.08);
  border:1px solid rgba(53,240,192,.28);
  border-radius:var(--radius-pill);
  padding:5px 14px;line-height:1.6;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(53,240,192,.9)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:8px;max-width:640px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:14px;font-weight:600;transition:transform .18s ease,color .18s ease}
.text-link:hover{transform:translateX(2px);color:var(--accent-hover)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;line-height:1.4;
  padding:14px 26px;transition:background .18s ease,box-shadow .18s ease,transform .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#0A0912;box-shadow:0 8px 24px -14px rgba(53,240,192,.9)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 22px rgba(53,240,192,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border:1px solid rgba(53,240,192,.45);color:var(--accent)}
.btn-ghost:hover{background:rgba(53,240,192,.10);border-color:rgba(53,240,192,.75)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}

/* 顶栏 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,9,18,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(53,240,192,.16);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;color:var(--text)}
.brand-mark{width:11px;height:11px;border-radius:3px;background:var(--accent);box-shadow:0 0 14px rgba(53,240,192,.85);transform:rotate(45deg);flex:0 0 auto}
.brand:hover .brand-mark{background:var(--accent-hover)}
.nav{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:6px 2px;transition:color .18s ease,text-shadow .18s ease}
.nav-link:hover{color:var(--text);text-shadow:0 0 12px rgba(53,240,192,.45)}
.nav-link.is-active{color:var(--accent);text-shadow:0 0 12px rgba(53,240,192,.6)}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(53,240,192,.85)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;padding:60px 0 72px;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-160px;left:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,240,192,.14),rgba(53,240,192,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-200px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,139,.10),rgba(255,61,139,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;min-height:480px}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:20px 0 18px}
.hero h1 em{font-style:normal;color:var(--accent);text-shadow:0 0 26px rgba(53,240,192,.4)}
.hero-sub{color:var(--muted);font-size:16px;line-height:1.85;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;font-size:12px;letter-spacing:.04em;color:var(--muted)}
.hero-badges li{display:inline-flex;align-items:center;gap:7px}
.hero-badges li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(53,240,192,.8)}
.hero-figure{position:relative}
.hero-media{position:relative;aspect-ratio:16/10;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 60px -40px rgba(0,0,0,1)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,9,18,.12) 0%,rgba(10,9,18,.82) 100%)}
.status-card{
  position:absolute;right:16px;bottom:16px;width:260px;padding:16px 18px;border-radius:14px;
  background:rgba(21,19,41,.9);border:1px solid rgba(53,240,192,.3);
  backdrop-filter:blur(6px);box-shadow:var(--shadow-card);
}
.status-card h3{font-size:13px;letter-spacing:.06em;color:var(--accent);font-weight:700;margin-bottom:10px}
.status-card li{display:flex;gap:8px;font-size:12.5px;line-height:1.7;color:var(--muted);padding:3px 0}
.status-card li i{font-style:normal;color:var(--accent);font-family:var(--mono);font-size:12px}
.tag-hot{
  position:absolute;top:-10px;left:16px;font-size:11px;letter-spacing:.08em;font-weight:700;
  color:#fff;background:var(--magenta);padding:2px 10px;border-radius:var(--radius-pill);
  box-shadow:0 0 16px rgba(255,61,139,.45);
}

/* 三步轨道 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:8px}
.step{position:relative;padding:0 34px 0 0}
.step:not(:last-child)::after{content:"";position:absolute;top:26px;left:74px;right:20px;border-top:1px dashed rgba(53,240,192,.32)}
.step-num{
  font-family:var(--mono);font-size:48px;line-height:1;font-weight:700;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1.5px var(--accent);margin-bottom:16px;
}
.step h3{font-size:20px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.75;max-width:280px}
.step-tag{display:inline-block;font-size:11px;letter-spacing:.08em;color:var(--warm);border:1px solid rgba(245,201,123,.35);border-radius:var(--radius-pill);padding:1px 10px;margin-bottom:12px}

/* 检查横条 */
.checkstrip{
  display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:center;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 34px;
}
.checkstrip h2{font-size:20px;font-weight:700;line-height:1.4}
.checkstrip .lead{font-size:13.5px;color:var(--muted);margin-top:6px}
.check-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-list li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7}
.check-list b{font-family:var(--mono);color:var(--accent);font-weight:700;font-size:13px}

/* 案例证明 */
.proof-grid{display:grid;grid-template-columns:340px 1fr;gap:44px;align-items:start}
.proof-card{
  background:var(--light);color:#12101E;border-radius:var(--radius-card);padding:34px 32px;
  box-shadow:0 24px 50px -30px rgba(0,0,0,.9);
}
.proof-card .label{font-size:12px;letter-spacing:.1em;color:#5b5470;font-weight:700}
.proof-num{font-family:var(--mono);font-size:44px;font-weight:800;line-height:1.1;color:#12101E;margin:12px 0 4px}
.proof-num small{font-size:15px;font-weight:600;color:#4a4460;margin-left:6px}
.proof-card .note{font-size:13.5px;line-height:1.8;color:#4a4460;margin-top:10px}
.proof-bar{height:4px;width:64px;border-radius:4px;background:var(--accent);margin-top:20px}
.proof-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:18px 4px;border-bottom:1px solid var(--line);transition:transform .18s ease,background .18s ease;
}
.proof-row:hover{transform:translateX(3px)}
.proof-row:first-child{border-top:1px solid var(--line)}
.proof-tag{font-size:11.5px;letter-spacing:.06em;color:var(--accent);border:1px solid rgba(53,240,192,.3);border-radius:var(--radius-pill);padding:2px 12px;white-space:nowrap}
.proof-row p{font-size:14.5px;color:var(--text)}
.proof-row p span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.proof-arrow{color:var(--muted);font-size:15px;transition:color .18s ease,transform .18s ease}
.proof-row:hover .proof-arrow{color:var(--accent);transform:translateX(3px)}

/* 入口索引 */
.entry-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.entry-side{display:grid;gap:24px}
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(53,240,192,.35)}
.card-media{position:relative;overflow:hidden;border-bottom:1px solid var(--line);aspect-ratio:16/9;background:#0d0b17}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.entry-card:hover .card-media img{transform:scale(1.03)}
.card-media::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(42,38,70,.9);pointer-events:none}
.entry-body{padding:22px 24px 26px}
.entry-body .chip{display:inline-block;font-size:11px;letter-spacing:.08em;color:var(--accent);background:rgba(53,240,192,.08);border:1px solid rgba(53,240,192,.25);border-radius:var(--radius-pill);padding:2px 10px;margin-bottom:12px}
.entry-body h3{font-size:18px;font-weight:600;margin-bottom:8px;line-height:1.5}
.entry-body p{font-size:14px;color:var(--muted);line-height:1.75}
.entry-card.is-wide .card-media{aspect-ratio:16/10}
.entry-card.is-wide .entry-body{padding:26px 28px 30px}
.entry-card.is-wide .entry-body h3{font-size:22px}
.entry-side .entry-card .card-media{aspect-ratio:16/9}

/* 资讯时间轴 */
.news-layout{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:start}
.news-filter{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 22px 26px;position:sticky;top:96px}
.news-filter h3{font-size:13px;letter-spacing:.08em;color:var(--accent);margin-bottom:14px;text-transform:uppercase}
.news-filter li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--muted);padding:7px 0}
.news-filter li::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(53,240,192,.55)}
.news-filter li.is-on{color:var(--text)}
.news-filter li.is-on::before{background:var(--accent);box-shadow:0 0 8px rgba(53,240,192,.9)}
.news-filter .hint{font-size:12.5px;color:rgba(154,150,184,.75);line-height:1.75;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:64px 1fr 22px;gap:20px;align-items:start;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background .18s ease,transform .18s ease;
}
.news-item:hover{transform:translateX(3px)}
.news-item.is-featured{grid-template-columns:64px 96px 1fr 22px}
.news-date{font-family:var(--mono);font-size:14px;color:var(--muted);letter-spacing:.04em;padding-top:3px}
.news-thumb{width:96px;height:72px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item h3{font-size:18px;font-weight:600;line-height:1.5;transition:color .18s ease;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover h3{color:var(--accent)}
.news-item .summary{font-size:14px;color:var(--muted);line-height:1.7;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:rgba(154,150,184,.85)}
.news-meta .cat{color:var(--accent);border:1px solid rgba(53,240,192,.28);background:rgba(53,240,192,.07);border-radius:var(--radius-pill);padding:1px 10px;letter-spacing:.04em}
.news-arrow{color:var(--muted);padding-top:6px;transition:color .18s ease,transform .18s ease}
.news-item:hover .news-arrow{color:var(--accent);transform:translateX(3px)}
.news-empty{
  border:1px dashed rgba(53,240,192,.35);border-radius:16px;min-height:160px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--muted);text-align:center;padding:28px;
}
.news-empty .ico{width:34px;height:34px;border-radius:50%;border:1px solid rgba(53,240,192,.4);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:16px}
.news-empty p{font-size:14px;color:var(--text)}
.news-empty a{font-size:13px;color:var(--accent)}
.news-empty a:hover{color:var(--accent-hover)}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.faq-col{display:grid;gap:16px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid rgba(53,240,192,.55);
  border-radius:12px;padding:0 18px;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(53,240,192,.32);box-shadow:var(--shadow-card)}
.faq-item[open]{border-left-color:var(--magenta)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 0;font-size:15px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--mono);font-size:20px;line-height:1;color:var(--accent);
  transition:transform .2s ease,color .2s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--magenta)}
.faq-answer{padding:0 0 16px;font-size:14px;line-height:1.9;color:var(--muted);max-width:96%}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:rgba(53,240,192,.08);
  border:1px solid rgba(53,240,192,.32);
  border-radius:20px;padding:40px 44px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;top:-70px;right:-40px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,240,192,.22),rgba(53,240,192,0) 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.4;position:relative}
.cta-band p{font-size:14px;color:var(--muted);margin-top:10px;max-width:640px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* 页脚 */
.site-footer{background:var(--bg);border-top:1px solid rgba(53,240,192,.16);padding:56px 0 0;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text);margin-bottom:14px}
.footer-about{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-social a:hover{color:var(--accent);border-color:rgba(53,240,192,.4);transform:translateY(-2px)}
.footer-col h4{font-size:13px;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:14px;font-weight:700}
.footer-link{display:block;font-size:14px;color:var(--muted);padding:5px 0;transition:color .18s ease,transform .18s ease}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.footer-contact{font-size:13.5px;color:var(--muted);line-height:1.9}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:42px;padding:18px 0 22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(154,150,184,.8);
}
.footer-bottom a{color:rgba(154,150,184,.9)}
.footer-bottom a:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero-sub{max-width:none}
  .entry-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr;gap:28px}
  .news-layout{grid-template-columns:1fr;gap:28px}
  .news-filter{position:static}
  .checkstrip{grid-template-columns:1fr;gap:20px}
  .check-list{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:34px 30px}
}
@media (max-width:900px){
  .nav{
    display:none;
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:rgba(10,9,18,.98);
    flex-direction:column;align-items:flex-start;gap:6px;
    padding:32px 28px;z-index:70;margin-left:0;
    backdrop-filter:blur(10px);
  }
  .nav.is-open{display:flex}
  .nav-link{font-size:20px;font-weight:600;color:var(--text);padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{color:var(--accent)}
  .menu-toggle{display:inline-flex}
  .header-actions .btn-sm{padding:9px 14px;font-size:13px}
  .header-inner{gap:14px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .section{padding:48px 0}
  .hero{padding:36px 0 48px}
  .brand{font-size:14.5px}
  .step{padding:0 0 30px 34px;border-left:1px dashed rgba(53,240,192,.28);margin-left:8px}
  .step:not(:last-child)::after{display:none}
  .step::before{
    content:"";position:absolute;left:-5px;top:16px;width:9px;height:9px;border-radius:50%;
    background:var(--accent);box-shadow:0 0 10px rgba(53,240,192,.85);
  }
  .steps{grid-template-columns:1fr}
  .step-num{font-size:38px;margin-bottom:12px}
  .step p{max-width:none}
  .status-card{position:static;width:100%;margin-top:16px;bottom:auto;right:auto}
  .faq-grid{grid-template-columns:1fr}
  .news-item.is-featured{grid-template-columns:1fr;gap:10px}
  .news-item{grid-template-columns:1fr;gap:8px}
  .news-date{padding-top:0}
  .news-thumb{width:100%;height:auto;aspect-ratio:16/9}
  .news-arrow{display:none}
  .hero-actions .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .section-head{margin-bottom:26px}
}
@media (max-width:520px){
  .check-list{grid-template-columns:1fr}
  .proof-card{padding:26px 22px}
  .entry-body{padding:18px 18px 22px}
  .entry-card.is-wide .entry-body{padding:20px 20px 24px}
  .entry-card.is-wide .entry-body h3{font-size:19px}
  .hero-badges{gap:14px}
  .header-actions .btn-sm{padding:8px 12px;font-size:12.5px;border-radius:9px}
  .brand{font-size:13.5px}
}

/* roulang page: article */
:root{
  --bg:#0A0912;
  --bg-2:#11101F;
  --card:#151329;
  --line:#2A2646;
  --mint:#35F0C0;
  --mint-strong:#5BF7D2;
  --mint-soft:rgba(53,240,192,.12);
  --pink:#FF3D8B;
  --warm:#F5C97B;
  --ink:#ECEAF6;
  --body-ink:#DCD9EC;
  --muted:#9A96B8;
  --paper:#F5F1E8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-card:0 0 0 1px rgba(53,240,192,.12), 0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(53,240,192,.35), 0 0 24px rgba(53,240,192,.22), 0 18px 40px -24px rgba(0,0,0,.9);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:rgba(53,240,192,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0912}
::-webkit-scrollbar-thumb{background:#2A2646;border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#3b3663}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,9,18,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,240,192,.55),rgba(255,61,139,.35),transparent);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;
  background:linear-gradient(135deg,var(--mint),#1c7f68 60%,var(--pink));
  box-shadow:0 0 14px rgba(53,240,192,.45);
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.brand-text em{font-style:normal;color:var(--mint)}
.nav{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:color .18s ease,background .18s ease,text-shadow .18s ease;
}
.nav-link:hover{color:var(--ink);text-shadow:0 0 12px rgba(53,240,192,.35);background:rgba(53,240,192,.06)}
.nav-link.is-active{color:var(--mint);text-shadow:0 0 12px rgba(53,240,192,.6)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--mint);box-shadow:0 0 10px rgba(53,240,192,.8);
}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);color:var(--ink);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:rgba(53,240,192,.5);color:var(--mint);background:rgba(53,240,192,.07)}
.nav-toggle:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
@media(min-width:1024px){
  .nav{display:flex}
  .nav-toggle{display:none}
}
.drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(10,9,18,.97);
  backdrop-filter:blur(10px);
  display:flex;flex-direction:column;
  padding:22px 22px 34px;
  transform:translateY(-100%);
  opacity:0;pointer-events:none;
  transition:transform .22s ease,opacity .22s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line);color:var(--ink);
}
.drawer-close:hover{color:var(--mint);border-color:rgba(53,240,192,.5)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.drawer-nav a{
  padding:14px 4px;font-size:21px;font-weight:700;color:var(--ink);
  border-bottom:1px solid rgba(42,38,70,.7);
}
.drawer-nav a:hover{color:var(--mint)}
.drawer .btn{width:100%;justify-content:center}
@media(min-width:1024px){.drawer{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .12s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.btn-primary{background:var(--mint);color:#06110D;box-shadow:0 10px 26px -16px rgba(53,240,192,.9)}
.btn-primary:hover{background:var(--mint-strong);box-shadow:0 0 22px rgba(53,240,192,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;color:var(--mint);
  border:1px solid rgba(53,240,192,.45);
}
.btn-ghost:hover{background:rgba(53,240,192,.10);box-shadow:0 0 18px rgba(53,240,192,.18)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
@media(max-width:520px){
  .header-actions .btn-primary{display:none}
}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article hero ---------- */
.article-hero{padding:16px 0 34px;border-bottom:1px solid rgba(53,240,192,.15)}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--mint);border:1px solid rgba(53,240,192,.4);background:rgba(53,240,192,.08);
}
.article-title{
  margin-top:16px;
  font-size:clamp(26px,4vw,44px);
  line-height:1.2;font-weight:800;letter-spacing:-.02em;
  color:#fff;word-break:break-word;
}
.article-lead{
  margin-top:16px;max-width:760px;
  font-size:15px;line-height:1.9;color:var(--muted);
}
.article-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--muted);
}
.article-meta .dot{width:1px;height:12px;background:var(--line)}
.article-meta b{font-weight:600;color:#C9C5E2}

/* ---------- layout ---------- */
.article-shell{padding:48px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
@media(min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 240px;justify-content:center;gap:48px}
}

.article-panel{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:26px 20px;
}
@media(min-width:768px){.article-panel{padding:38px 40px}}

/* ---------- rich text ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--body-ink);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:18px 0}
.article-body h2{
  position:relative;
  margin:44px 0 18px;padding-left:14px;
  font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.45;color:#fff;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:var(--mint);box-shadow:0 0 12px rgba(53,240,192,.6);
}
.article-body h3{
  margin:30px 0 12px;font-size:18px;font-weight:600;color:#fff;line-height:1.6;
}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:600;color:var(--warm)}
.article-body a{color:var(--mint);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--mint-strong)}
.article-body strong{color:#fff;font-weight:600}
.article-body ul,.article-body ol{margin:18px 0;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;margin:10px 0;padding-left:22px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--mint);transform:rotate(45deg);box-shadow:0 0 8px rgba(53,240,192,.55);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--font-mono);font-size:13px;color:var(--mint);letter-spacing:.04em;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--card);border-left:3px solid var(--mint);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:#CFCBE6;font-size:15px;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:26px 0}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:12px;color:var(--muted);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:14px;
  border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
}
.article-body thead th{
  background:#1B1830;color:var(--mint);font-weight:600;text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;letter-spacing:.04em;
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid rgba(42,38,70,.7)}
.article-body tbody tr:nth-child(odd){background:var(--bg-2)}
.article-body tbody tr:nth-child(even){background:var(--card)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body code{
  font-family:var(--font-mono);font-size:13px;color:var(--warm);
  background:rgba(245,201,123,.10);padding:2px 6px;border-radius:6px;
}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}

.article-empty{text-align:center;padding:34px 10px}
.article-empty h2{font-size:22px;font-weight:700;color:#fff;padding:0;margin-bottom:12px}
.article-empty h2::before{display:none}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}

/* ---------- toc ---------- */
.toc-box{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px 18px;
  box-shadow:var(--shadow-card);
}
.toc-box h3{
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--mint);
  margin-bottom:14px;font-weight:600;
}
.toc-box ul{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow:auto}
.toc-box a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:13px;line-height:1.6;color:var(--muted);border-left:2px solid transparent;
}
.toc-box a:hover{color:var(--ink);background:rgba(53,240,192,.07);border-left-color:rgba(53,240,192,.5)}
.toc-box a.is-current{color:var(--mint);border-left-color:var(--mint);background:rgba(53,240,192,.09)}
.toc-box .toc-empty{font-size:13px;color:var(--muted)}
@media(max-width:1279px){.toc-box{display:none}}

/* ---------- article foot ---------- */
.article-foot{margin-top:34px;display:flex;flex-direction:column;gap:22px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  color:#CFCBE6;background:rgba(53,240,192,.07);
  border:1px solid rgba(53,240,192,.28);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.tag:hover{color:var(--mint);border-color:rgba(53,240,192,.6);background:rgba(53,240,192,.13)}
.tag-pink{color:#FFB4D0;border-color:rgba(255,61,139,.4);background:rgba(255,61,139,.09)}
.tag-pink:hover{color:#FF8FBB;border-color:rgba(255,61,139,.7)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- related ---------- */
.related{padding:0 0 76px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.section-head h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;color:#fff;letter-spacing:-.01em}
.section-head span{font-size:13px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(53,240,192,.4)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E0D1B}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;border:0;margin:0;border-radius:0}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,18,0) 45%,rgba(10,9,18,.85) 100%);
  pointer-events:none;
}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{
  font-size:16px;font-weight:600;line-height:1.6;color:#fff;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--mint)}
.post-body p{
  font-size:13px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--muted);border-top:1px solid rgba(42,38,70,.8);
}
.post-meta .arrow{color:var(--mint);transition:transform .18s ease}
.post-card:hover .post-meta .arrow{transform:translateX(3px)}

/* ---------- cta band ---------- */
.cta-band{padding:0 0 80px}
.cta-inner{
  position:relative;overflow:hidden;
  border-radius:22px;border:1px solid rgba(53,240,192,.4);
  background:
    radial-gradient(120% 160% at 12% 0%,rgba(53,240,192,.20),transparent 60%),
    radial-gradient(110% 150% at 92% 100%,rgba(255,61,139,.16),transparent 58%),
    #11101F;
  padding:36px 24px;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:0 0 0 1px rgba(53,240,192,.08),0 30px 60px -40px rgba(53,240,192,.6);
}
@media(min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 46px;gap:36px}
}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;color:#fff;line-height:1.35;letter-spacing:-.01em}
.cta-inner p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;max-width:520px}
.cta-inner .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}
@media(max-width:899px){.cta-inner .cta-actions .btn{flex:1 1 100%}}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid rgba(53,240,192,.18);
  background:var(--bg);
  padding:56px 0 24px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,240,192,.6),rgba(255,61,139,.35),transparent);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@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 1.2fr;gap:40px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand:hover{color:var(--mint)}
.footer-about{font-size:13px;line-height:1.9;color:var(--muted);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);color:var(--muted);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.footer-social a:hover{color:var(--mint);border-color:rgba(53,240,192,.5);background:rgba(53,240,192,.08)}
.footer-social a:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.footer-col h4{
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mint);
  font-weight:600;margin-bottom:16px;
}
.footer-link{
  display:block;font-size:14px;color:var(--muted);padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.footer-contact{font-size:13px;line-height:2;color:var(--muted)}
.footer-contact b{color:#C9C5E2;font-weight:600}
.footer-bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(154,150,184,.8);
}
.footer-bottom a{color:rgba(154,150,184,.9)}
.footer-bottom a:hover{color:var(--mint)}

/* roulang page: category1 */
:root{
  --bg:#0A0912;
  --bg-2:#11101F;
  --card:#151329;
  --line:#2A2646;
  --cyan:#35F0C0;
  --cyan-soft:rgba(53,240,192,.12);
  --cyan-line:rgba(53,240,192,.45);
  --pink:#FF3D8B;
  --gold:#F5C97B;
  --text:#ECEAF6;
  --muted:#9A96B8;
  --paper:#F5F1E8;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-card:0 0 0 1px rgba(53,240,192,.12), 0 18px 40px -24px rgba(0,0,0,.9);
  --shadow-hover:0 0 0 1px rgba(53,240,192,.35), 0 0 24px rgba(53,240,192,.22), 0 18px 40px -24px rgba(0,0,0,.9);
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
::selection{background:rgba(53,240,192,.3);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 32px}}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,9,18,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,240,192,.7),rgba(255,61,139,.35),transparent);
  opacity:.5;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);flex-shrink:0}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex-shrink:0;position:relative;
  background:linear-gradient(135deg,var(--cyan),#1BA88A);
  box-shadow:0 0 18px rgba(53,240,192,.4);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--bg)}
.brand-text{white-space:nowrap}
.brand-sub{margin-left:.18em}
.nav{display:none;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--muted);
  transition:color .18s ease,text-shadow .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--text);text-shadow:0 0 12px rgba(53,240,192,.45);background:rgba(53,240,192,.06)}
.nav-link.is-active{color:var(--cyan);text-shadow:0 0 12px rgba(53,240,192,.6)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 12px rgba(53,240,192,.8);
}
.header-actions{display:flex;align-items:center;gap:12px}
.hamburger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border-radius:10px;
  border:1px solid var(--line);background:rgba(21,19,41,.8);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.hamburger span{display:block;height:2px;border-radius:2px;background:var(--text);transition:background .18s ease}
.hamburger:hover{border-color:var(--cyan-line);box-shadow:0 0 16px rgba(53,240,192,.25)}
.hamburger:hover span{background:var(--cyan)}
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:70;
  background:rgba(10,9,18,.985);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  padding:28px 20px 40px;
  display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;
}
.mobile-drawer[hidden]{display:none}
.mobile-drawer .nav-link{
  font-size:22px;font-weight:700;padding:16px 10px;border-radius:12px;
  border-bottom:1px solid var(--line);
}
.mobile-drawer .nav-link.is-active::after{display:none}
.mobile-drawer .drawer-cta{margin-top:22px;width:100%}
@media(min-width:900px){
  .nav{display:flex}
  .hamburger{display:none}
  .mobile-drawer{display:none !important}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--cyan);color:#0A0912;box-shadow:0 10px 30px -16px rgba(53,240,192,.9)}
.btn-primary:hover{background:#5BF7D2;box-shadow:0 0 22px rgba(53,240,192,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border-color:var(--cyan-line);color:var(--cyan);background:transparent}
.btn-ghost:hover{background:rgba(53,240,192,.10);box-shadow:0 0 18px rgba(53,240,192,.18)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
@media(max-width:639px){
  .header-actions .btn-sm{padding:9px 14px;font-size:13px}
  .cta-actions .btn{width:100%}
}

/* ============ 通用标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid var(--line);background:rgba(21,19,41,.9);color:var(--muted);
  white-space:nowrap;
}
.tag-cyan{border-color:rgba(53,240,192,.4);color:var(--cyan);background:rgba(53,240,192,.08)}
.tag-pink{border-color:rgba(255,61,139,.45);color:var(--pink);background:rgba(255,61,139,.08)}
.tag-gold{border-color:rgba(245,201,123,.45);color:var(--gold);background:rgba(245,201,123,.08)}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:52px 0 44px;
  border-bottom:1px solid rgba(53,240,192,.15);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-180px;left:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(53,240,192,.14),transparent 65%);
  pointer-events:none;
}
.hero-grid{display:grid;gap:34px;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;font-size:12px;letter-spacing:.08em;color:var(--cyan);text-transform:uppercase}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(53,240,192,.9)}
.hero-title{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;
  margin:0 0 20px;color:var(--text);
}
.hero-title .hero-title-sub{
  display:block;margin-top:10px;
  font-size:clamp(19px,2.4vw,28px);
  font-weight:700;color:var(--cyan);letter-spacing:.01em;
  text-shadow:0 0 22px rgba(53,240,192,.35);
}
.hero-lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:620px}
.hero-lead strong{color:var(--text);font-weight:600}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px}
.hero-badges span{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.hero-badges span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px rgba(53,240,192,.8)}
.hero-visual{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.hero-visual img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,9,18,.82),rgba(10,9,18,.18) 55%,transparent);
  pointer-events:none;
}
.float-card{
  position:absolute;left:16px;bottom:16px;z-index:2;
  width:min(260px,calc(100% - 32px));
  padding:16px 18px;border-radius:14px;
  background:rgba(16,15,29,.86);
  border:1px solid rgba(53,240,192,.32);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.95);
}
.float-card .fc-tag{
  position:absolute;top:-11px;right:14px;
  font-size:11px;letter-spacing:.08em;padding:2px 10px;border-radius:999px;
  color:#fff;background:var(--pink);box-shadow:0 0 16px rgba(255,61,139,.5);
}
.float-card h4{font-size:13px;font-weight:700;color:var(--text);margin:0 0 10px;letter-spacing:.02em}
.float-card li{display:flex;gap:8px;font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:6px}
.float-card li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan);margin-top:8px;flex-shrink:0}
@media(min-width:1024px){
  .page-hero{padding:72px 0 60px}
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:44px}
}

/* ============ 板块通用 ============ */
.section{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;margin:0;color:var(--text)}
.section-head p{font-size:14px;color:var(--muted);margin:0;max-width:560px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--cyan);text-transform:uppercase;margin-bottom:10px}
.section-kicker::before{content:"";width:18px;height:1px;background:var(--cyan)}
@media(min-width:1024px){.section{padding:72px 0}}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.entry-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(53,240,192,.4)}
.entry-thumb{overflow:hidden;border-bottom:1px solid var(--line)}
.entry-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body h3{font-size:18px;font-weight:600;line-height:1.5;margin:0;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-body p{font-size:14px;line-height:1.7;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-more{
  margin-top:auto;padding-top:14px;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--cyan);
  transition:gap .18s ease;
}
.entry-card:hover .entry-more{gap:12px}
.entry-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);font-family:var(--font-mono)}

/* ============ 要点清单横条 ============ */
.checklist{
  margin-top:36px;
  display:grid;gap:26px;
  padding:30px 26px;
  border-radius:var(--radius-card);
  border:1px solid rgba(53,240,192,.28);
  background:linear-gradient(120deg,rgba(53,240,192,.09),rgba(21,19,41,.65));
  box-shadow:var(--shadow-card);
}
.checklist h3{font-size:20px;font-weight:700;margin:0 0 8px;color:var(--text)}
.checklist .cl-note{font-size:14px;color:var(--muted);margin:0}
.checklist ol{display:grid;gap:14px}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--text);line-height:1.65}
.checklist li span.num{
  font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--cyan);
  border:1px solid rgba(53,240,192,.45);border-radius:8px;
  padding:2px 8px;flex-shrink:0;line-height:1.6;
}
@media(min-width:900px){
  .checklist{grid-template-columns:.9fr 1.3fr;align-items:center;gap:40px;padding:34px 36px}
  .checklist ol{grid-template-columns:1fr;gap:12px}
}

/* ============ 步骤轨道 ============ */
.steps-track{display:grid;gap:28px;position:relative}
.step{position:relative;padding-left:0}
.step-num{
  font-family:var(--font-mono);font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--cyan);
  display:block;margin-bottom:14px;letter-spacing:-.02em;
}
.step h3{font-size:20px;font-weight:700;margin:0 0 8px;color:var(--text)}
.step p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;max-width:280px}
@media(min-width:768px){
  .steps-track{grid-template-columns:repeat(4,1fr);gap:0}
  .step{padding:0 22px}
  .step:first-child{padding-left:0}
  .step + .step::before{
    content:"";position:absolute;left:0;top:26px;width:0;height:1px;
    border-left:1px dashed rgba(53,240,192,.35);height:44px;
  }
}
@media(max-width:767px){
  .steps-track{padding-left:24px;border-left:1px dashed rgba(53,240,192,.3)}
  .step::before{
    content:"";position:absolute;left:-30px;top:16px;width:10px;height:10px;border-radius:50%;
    background:var(--cyan);box-shadow:0 0 12px rgba(53,240,192,.8);
  }
}

/* ============ 图文场景 ============ */
.scene-grid{display:grid;gap:24px}
@media(min-width:900px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
.scene-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(53,240,192,.4)}
.scene-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid var(--line)}
.scene-body{padding:22px 24px 26px}
.scene-body h3{font-size:19px;font-weight:700;margin:8px 0 10px;color:var(--text)}
.scene-body p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}
.scene-body ul{margin:14px 0 0;display:grid;gap:8px}
.scene-body li{position:relative;padding-left:16px;font-size:14px;color:var(--muted);line-height:1.7}
.scene-body li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--cyan)}

/* ============ FAQ 反白段 ============ */
.faq-section{
  background:var(--paper);
  color:#181528;
  padding:56px 0 60px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.faq-section .section-kicker{color:#0E8F74}
.faq-section .section-kicker::before{background:#0E8F74}
.faq-section h2{color:#141124}
.faq-section .section-head p{color:#5B5668}
.faq-section .section-head a{color:#0E8F74;font-size:14px;font-weight:600}
.faq-grid{display:grid;gap:16px}
@media(min-width:900px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:18px}}
.faq-item{
  background:#fff;
  border:1px solid #E2DDD0;
  border-left:3px solid var(--cyan);
  border-radius:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{box-shadow:0 12px 30px -22px rgba(20,17,36,.6)}
.faq-item.is-open{border-left-color:var(--pink)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:#141124;line-height:1.6}
.faq-icon{
  flex-shrink:0;width:20px;height:20px;position:relative;
  transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:#0E8F74;border-radius:2px;
  transition:background .2s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--pink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 20px 20px;margin:0;font-size:14px;line-height:1.9;color:#4B4658}

/* ============ CTA ============ */
.cta-band{
  padding:56px 0;
}
.cta-box{
  display:grid;gap:24px;
  padding:34px 26px;
  border-radius:22px;
  border:1px solid rgba(53,240,192,.4);
  background:linear-gradient(135deg,rgba(53,240,192,.16),rgba(21,19,41,.9) 60%);
  box-shadow:0 0 0 1px rgba(53,240,192,.1), 0 30px 60px -40px rgba(53,240,192,.6);
}
.cta-box h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;margin:0 0 10px;color:var(--text);letter-spacing:-.01em}
.cta-box p{font-size:14px;line-height:1.8;color:var(--muted);margin:0;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){
  .cta-band{padding:72px 0}
  .cta-box{grid-template-columns:1.5fr auto;align-items:center;padding:40px 44px}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg);
  border-top:1px solid var(--line);
  padding:56px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,240,192,.7),rgba(255,61,139,.3),transparent);
  opacity:.55;
}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text);margin-bottom:14px}
.footer-about{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 18px;max-width:340px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);color:var(--muted);
  transition:color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.footer-social a:hover{color:var(--cyan);border-color:var(--cyan-line);box-shadow:0 0 16px rgba(53,240,192,.25);transform:translateY(-1px)}
.footer-col h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);margin:0 0 16px;font-weight:700}
.footer-link{display:block;padding:5px 0;font-size:14px;color:var(--muted);transition:color .18s ease,transform .18s ease}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.footer-contact{font-size:14px;line-height:1.9;color:var(--muted);margin:0}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:42px;padding:20px 0;
  border-top:1px solid var(--line);
  font-size:12px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--cyan)}

@media(max-width:639px){
  .hero-title{font-size:clamp(28px,8vw,34px)}
  .section{padding:44px 0}
  .entry-body{padding:18px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0912;
  --bg-2:#11101F;
  --card:#151329;
  --line:#2A2646;
  --cyan:#35F0C0;
  --cyan-2:#5BF7D2;
  --magenta:#FF3D8B;
  --warm:#F5C97B;
  --text:#ECEAF6;
  --muted:#9A96B8;
  --cream:#F5F1E8;
  --ink:#14121F;
  --r-card:18px;
  --r-btn:12px;
  --r-img:14px;
  --wrap:1200px;
  --shadow:0 0 0 1px rgba(53,240,192,.12), 0 18px 40px -24px rgba(0,0,0,.9);
  --mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(53,240,192,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:#2A2646;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#3b3564}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,9,18,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,240,192,.55),rgba(255,61,139,.3),transparent);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:72px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--text);flex:0 0 auto}
.brand-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;position:relative;
  background:linear-gradient(140deg,var(--cyan),#1a8f78);
  box-shadow:0 0 18px rgba(53,240,192,.5);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:4px;border:2px solid rgba(10,9,18,.85)}
.brand-title{line-height:1.15;white-space:nowrap}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:14px;color:var(--muted);
  transition:color .2s, text-shadow .2s, background .2s;
}
.nav-link:hover{color:var(--text);text-shadow:0 0 12px rgba(53,240,192,.45);background:rgba(53,240,192,.06)}
.nav-link.is-active{color:var(--cyan);text-shadow:0 0 12px rgba(53,240,192,.55)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--cyan);box-shadow:0 0 12px rgba(53,240,192,.75);
}
.header-actions{display:flex;align-items:center;gap:12px}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(21,19,41,.85);color:var(--text);
  align-items:center;justify-content:center;
  transition:border-color .2s, box-shadow .2s;
}
.menu-btn:hover{border-color:rgba(53,240,192,.5);box-shadow:0 0 18px rgba(53,240,192,.2)}
.menu-btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-weight:600;font-size:15px;line-height:1;border:1px solid transparent;
  transition:background .2s, color .2s, box-shadow .2s, transform .2s, border-color .2s;
}
.btn-primary{background:var(--cyan);color:#0A0912;box-shadow:0 10px 26px -14px rgba(53,240,192,.9)}
.btn-primary:hover{background:var(--cyan-2);box-shadow:0 0 22px rgba(53,240,192,.35)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--cyan);border-color:rgba(53,240,192,.45)}
.btn-ghost:hover{background:rgba(53,240,192,.10);box-shadow:0 0 20px rgba(53,240,192,.18)}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-sm{padding:10px 18px;font-size:14px}

/* ============ DRAWER ============ */
.drawer{
  position:fixed;inset:0;z-index:80;padding:20px;
  display:flex;flex-direction:column;
  background:rgba(10,9,18,.97);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .2s, transform .2s;
}
.drawer.open{opacity:1;transform:none;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
}
.drawer-close:hover{color:var(--cyan);border-color:rgba(53,240,192,.5)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--line);padding-top:16px}
.drawer-nav .nav-link{font-size:20px;padding:14px 12px;color:var(--text)}
.drawer-nav .nav-link.is-active{color:var(--cyan)}
.drawer-nav .nav-link.is-active::after{left:12px;right:auto;width:18px;bottom:0}
.drawer-cta{margin-top:auto;width:100%}

/* ============ HERO ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  border-bottom:1px solid rgba(53,240,192,.15);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(58% 68% at 12% 0%, rgba(53,240,192,.11), transparent 70%),
    radial-gradient(48% 58% at 92% 18%, rgba(255,61,139,.09), transparent 72%);
}
.cat-hero .wrap{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);border:1px solid rgba(53,240,192,.35);
  border-radius:999px;padding:6px 14px;background:rgba(53,240,192,.07);
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;letter-spacing:-.02em;line-height:1.15;
  margin:20px 0 0;
}
h1 .accent{color:var(--cyan)}
.hero-lead{
  margin-top:18px;color:var(--muted);font-size:16px;line-height:1.85;max-width:56ch;
}
.hero-lead + .hero-lead{margin-top:12px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.04em;color:var(--muted);
}
.hero-badges span::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px rgba(53,240,192,.8);
}
.hero-banner{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-banner img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top, rgba(10,9,18,.88), rgba(10,9,18,.18) 58%, transparent);
}
.stat-float{
  position:absolute;right:16px;bottom:16px;width:262px;z-index:2;
  background:rgba(17,16,31,.94);border:1px solid rgba(53,240,192,.35);
  border-radius:14px;padding:14px 16px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  box-shadow:0 18px 36px -22px rgba(0,0,0,.95);
}
.stat-float h3{
  margin:0 0 8px;font-size:13px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
}
.stat-float h3 .flag{
  font-size:11px;letter-spacing:.06em;color:var(--magenta);
  border:1px solid rgba(255,61,139,.45);background:rgba(255,61,139,.1);
  border-radius:999px;padding:2px 8px;
}
.stat-float dl{margin:0;display:grid;gap:6px}
.stat-float .row{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}
.stat-float .row b{
  font-family:var(--mono);font-size:14px;color:var(--cyan);font-weight:700;
}

/* ============ SECTION ============ */
.section{padding:72px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:32px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);font-weight:700;
  letter-spacing:-.01em;line-height:1.3;
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px}
.section-head .head-link{
  font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s;
}
.section-head .head-link:hover{gap:10px}

/* ============ CARD GRID ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:0 0 0 1px rgba(53,240,192,.05), 0 18px 40px -32px rgba(0,0,0,.9);
  transition:transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover{
  transform:translateY(-2px);
  border-color:rgba(53,240,192,.45);
  box-shadow:0 0 0 1px rgba(53,240,192,.25), 0 22px 44px -26px rgba(0,0,0,.95), 0 0 24px rgba(53,240,192,.18);
}
.card-thumb{overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-2)}
.card-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .3s ease;
}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  display:inline-flex;align-items:center;width:fit-content;
  font-size:12px;letter-spacing:.06em;border-radius:999px;padding:4px 10px;
  border:1px solid rgba(53,240,192,.4);color:var(--cyan);background:rgba(53,240,192,.08);
}
.tag-warm{border-color:rgba(245,201,123,.45);color:var(--warm);background:rgba(245,201,123,.08)}
.tag-pink{border-color:rgba(255,61,139,.45);color:var(--magenta);background:rgba(255,61,139,.08)}
.card h3{
  font-size:18px;font-weight:600;line-height:1.5;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card p{
  font-size:14px;line-height:1.7;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-link{
  margin-top:auto;padding-top:6px;
  font-size:14px;color:var(--cyan);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .2s, text-shadow .2s;
}
.card-link:hover{gap:10px;text-shadow:0 0 12px rgba(53,240,192,.5)}

/* ============ KEY POINTS ============ */
.keypoints-wrap{padding:0 0 72px}
.keypoints{
  background:var(--cream);color:var(--ink);
  border-radius:22px;padding:40px;
  display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;
  box-shadow:0 24px 60px -40px rgba(0,0,0,.9);
}
.keypoints h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--ink)}
.keypoints .kp-sub{margin-top:12px;font-size:14px;line-height:1.8;color:#4A4560}
.kp-list{display:grid;gap:14px}
.kp-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(20,18,31,.05);border:1px solid rgba(20,18,31,.1);
  border-radius:14px;padding:14px 16px;
}
.kp-num{font-family:var(--mono);font-size:18px;font-weight:700;color:#0B7F6A;line-height:1.5}
.kp-text{font-size:14px;line-height:1.7;color:#2A2640}
.kp-text b{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:14px;
  transition:border-color .2s, box-shadow .2s;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--cyan);transition:background .2s;
}
.faq-item[open]{border-color:rgba(255,61,139,.35);box-shadow:0 0 24px -12px rgba(255,61,139,.5)}
.faq-item[open]::before{background:var(--magenta)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 20px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  font-size:15px;font-weight:600;line-height:1.6;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}
.faq-icon{
  flex:0 0 auto;width:20px;height:20px;position:relative;margin-top:2px;
  transition:transform .2s, color .2s;color:var(--cyan);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:9px;top:2px;width:2px;height:16px}
.faq-icon::after{top:9px;left:2px;height:2px;width:16px}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--magenta)}
.faq-body{padding:0 20px 18px 20px;font-size:14px;line-height:1.9;color:var(--muted)}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 72px}
.cta-inner{
  border-radius:22px;padding:40px;
  border:1px solid rgba(53,240,192,.35);
  background:
    radial-gradient(80% 120% at 0% 0%, rgba(53,240,192,.18), transparent 60%),
    linear-gradient(120deg, rgba(53,240,192,.12), rgba(255,61,139,.07));
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 0 0 1px rgba(53,240,192,.12), 0 30px 70px -50px rgba(53,240,192,.5);
}
.cta-inner h2{
  font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.4;letter-spacing:-.01em;
}
.cta-inner p{margin-top:10px;font-size:14px;color:var(--muted);max-width:52ch;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;margin-top:0;background:var(--bg);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,240,192,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;padding:56px 0 40px;
}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);margin:0 0 14px;font-weight:600;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;color:var(--text);
}
.footer-about{
  margin:14px 0 16px;font-size:14px;line-height:1.8;
  color:var(--muted);max-width:34ch;
}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  transition:color .2s, border-color .2s, box-shadow .2s;
}
.footer-social a:hover{color:var(--cyan);border-color:rgba(53,240,192,.5);box-shadow:0 0 18px rgba(53,240,192,.2)}
.footer-social a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.footer-link{
  display:block;font-size:14px;color:var(--muted);padding:5px 0;
  transition:color .2s, transform .2s;
}
.footer-link:hover{color:#fff;transform:translateX(2px)}
.footer-contact{font-size:14px;line-height:1.9;color:var(--muted)}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(154,150,184,.85);
}
.footer-bottom a{color:var(--cyan);transition:opacity .2s}
.footer-bottom a:hover{opacity:.8}

/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .nav{display:none}
  .menu-btn{display:flex}
  .cat-hero .wrap{grid-template-columns:1fr;gap:32px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .keypoints{grid-template-columns:1fr;gap:28px;padding:32px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .cat-hero{padding:40px 0 48px}
  .faq-grid{grid-template-columns:1fr}
  .cta-inner{padding:28px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .stat-float{position:static;width:auto;margin:16px;backdrop-filter:none}
  .hero-banner::after{background:linear-gradient(to top, rgba(10,9,18,.55), transparent 60%)}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  .header-inner{height:64px}
  .brand{font-size:15px}
  .brand-mark{width:22px;height:22px;border-radius:7px}
  .brand-mark::after{inset:6px;border-width:2px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 32px}
  .keypoints{padding:24px;border-radius:18px}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .section-head{margin-bottom:24px}
}