*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#00b897;
  --primary-dark:#009a7e;
  --bg-dark:#0b0e11;
  --bg-card:#161a1e;
  --bg-section:#111418;
  --text:#eAECEF;
  --text-muted:#848e9c;
  --border:#2b3139;
  --accent:#f0b90b;
  --radius:12px;
  --shadow:0 8px 32px rgba(0,0,0,.4);
}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg-dark);color:var(--text);line-height:1.7;font-size:16px}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

header{background:rgba(11,14,17,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:22px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}
.logo span{color:var(--primary)}
nav ul{display:flex;list-style:none;gap:28px}
nav a{color:var(--text-muted);font-size:15px;font-weight:500}
nav a:hover,nav a.active{color:var(--primary)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}

.hero{padding:80px 0 60px;background:linear-gradient(135deg,#0b0e11 0%,#111820 50%,#0b0e11 100%);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(0,184,151,.08) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;text-align:center;max-width:800px;margin:0 auto}
.hero h1{font-size:42px;font-weight:700;margin-bottom:20px;line-height:1.3}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-desc{font-size:18px;color:var(--text-muted);margin-bottom:12px}
.hero-date{font-size:14px;color:var(--text-muted);margin-bottom:32px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;border:none;transition:all .25s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,184,151,.3)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}

section{padding:70px 0}
section:nth-child(even){background:var(--bg-section)}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:32px;font-weight:700;margin-bottom:12px}
.section-title p{color:var(--text-muted);font-size:16px;max-width:600px;margin:0 auto}

.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--primary)}
.card-icon{width:48px;height:48px;background:rgba(0,184,151,.12);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px}
.card h3{font-size:20px;margin-bottom:12px}
.card p{color:var(--text-muted);font-size:15px;margin-bottom:16px}
.card ul{list-style:none}
.card li{color:var(--text-muted);font-size:14px;padding:6px 0;padding-left:20px;position:relative}
.card li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px}
.step{text-align:center;padding:40px 24px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}
.step-num{font-size:48px;font-weight:800;color:var(--primary);opacity:.3;margin-bottom:16px}
.step h3{font-size:20px;margin-bottom:12px}
.step p{color:var(--text-muted);font-size:15px;margin-bottom:16px}
.step ul{list-style:none;text-align:left}
.step li{color:var(--text-muted);font-size:14px;padding:5px 0;padding-left:18px;position:relative}
.step li::before{content:"•";position:absolute;left:0;color:var(--primary)}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.stat{padding:40px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}
.stat-num{font-size:36px;font-weight:800;color:var(--primary);margin-bottom:8px}
.stat-label{color:var(--text-muted);font-size:15px}

.download-section .platform-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:28px;margin-top:40px}
.platform-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:40px;text-align:center}
.platform-card .icon{font-size:56px;margin-bottom:20px}
.platform-card h3{font-size:22px;margin-bottom:16px}
.platform-card ul{list-style:none;text-align:left;margin:20px 0 28px}
.platform-card li{padding:8px 0;color:var(--text-muted);font-size:14px;border-bottom:1px solid var(--border)}
.platform-card li:last-child{border-bottom:none}

.article-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.article-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .25s,border-color .25s}
.article-item:hover{transform:translateY(-4px);border-color:var(--primary)}
.article-item .article-body{padding:24px}
.article-item h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.article-item h3 a{color:var(--text)}
.article-item h3 a:hover{color:var(--primary)}
.article-item p{color:var(--text-muted);font-size:14px;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{font-size:13px;color:var(--text-muted)}

.article-page{padding:60px 0}
.article-page .article-header{margin-bottom:40px;padding-bottom:30px;border-bottom:1px solid var(--border)}
.article-page h1{font-size:34px;line-height:1.4;margin-bottom:16px}
.article-page .article-meta{margin-bottom:20px}
.article-content{max-width:800px;margin:0 auto}
.article-content h2{font-size:24px;margin:36px 0 16px;color:var(--text)}
.article-content h3{font-size:20px;margin:28px 0 12px}
.article-content p{color:var(--text-muted);margin-bottom:18px;font-size:16px;line-height:1.8}
.article-content ul,.article-content ol{margin:16px 0 20px 24px;color:var(--text-muted)}
.article-content li{margin-bottom:8px;line-height:1.7}
.article-content blockquote{border-left:3px solid var(--primary);padding:16px 20px;margin:24px 0;background:rgba(0,184,151,.06);border-radius:0 8px 8px 0;color:var(--text-muted)}

.breadcrumb{padding:20px 0;font-size:14px;color:var(--text-muted)}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{margin:0 8px}

footer{background:var(--bg-section);border-top:1px solid var(--border);padding:50px 0 30px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:40px}
.footer-col h4{font-size:16px;margin-bottom:16px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--text-muted);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid var(--border);color:var(--text-muted);font-size:13px}

.update-badge{display:inline-block;background:rgba(0,184,151,.15);color:var(--primary);padding:4px 12px;border-radius:20px;font-size:13px;margin-left:8px}

@media(max-width:768px){
  .menu-toggle{display:block}
  nav{position:fixed;top:64px;left:0;right:0;background:var(--bg-dark);border-bottom:1px solid var(--border);padding:16px 0;transform:translateY(-120%);transition:transform .3s;opacity:0;pointer-events:none}
  nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  nav ul{flex-direction:column;gap:0;padding:0 20px}
  nav li{border-bottom:1px solid var(--border)}
  nav a{display:block;padding:14px 0}
  .hero h1{font-size:28px}
  .hero{padding:50px 0 40px}
  .section-title h2{font-size:26px}
  .stats{grid-template-columns:1fr}
  .article-page h1{font-size:26px}
}