/* ===== 模板01：科技深色风格 ===== */
:root{--bg:#0d1117;--bg2:#161b22;--bg3:#21262d;--green:#25d366;--green2:#128c7e;--text:#e6edf3;--text2:#8b949e;--border:#30363d;--radius:8px;--font:'Segoe UI',system-ui,sans-serif}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7}
a{color:var(--green);text-decoration:none}
a:hover{color:#fff}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.header{background:rgba(13,17,23,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header .container{display:flex;align-items:center;height:70px;gap:30px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:1.2rem;font-weight:700}
.logo img{border-radius:50%}
.logo em{color:var(--green);font-style:normal}
.nav{display:flex;gap:24px;flex:1;justify-content:center}
.nav a{color:var(--text2);font-size:.95rem;transition:.2s}
.nav a:hover,.nav a.active{color:var(--green)}
.btn-cta{background:var(--green);color:#fff;padding:8px 20px;border-radius:20px;font-weight:600;white-space:nowrap;transition:.2s}
.btn-cta:hover{background:var(--green2);color:#fff}

/* Breadcrumb */
.breadcrumb{background:var(--bg2);border-bottom:1px solid var(--border);padding:10px 0;font-size:.85rem}
.breadcrumb ol{display:flex;gap:8px;list-style:none}
.breadcrumb li{color:var(--text2)}
.breadcrumb li:not(:last-child)::after{content:'›';margin-left:8px}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--green)}

/* Hero Slider */
.hero{position:relative;overflow:hidden}
.slider{position:relative;min-height:560px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s}
.slide.active{opacity:1;position:relative}
.slide-inner{min-height:560px;background-size:cover;background-position:center;display:flex;align-items:center}
.slide-inner::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,17,23,.9) 40%,rgba(13,17,23,.3))}
.slide-inner .container{position:relative;z-index:1;max-width:650px}
.slide-inner h1,.slide-h{font-size:clamp(1.8rem,4vw,3rem);line-height:1.2;margin-bottom:16px;color:#fff}
.slide-inner p{font-size:1.1rem;color:rgba(255,255,255,.8);margin-bottom:32px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{background:var(--green);color:#fff;padding:12px 28px;border-radius:24px;font-weight:600;transition:.2s;display:inline-block}
.btn-primary:hover{background:var(--green2);color:#fff;transform:translateY(-2px)}
.btn-ghost{border:2px solid rgba(255,255,255,.5);color:#fff;padding:12px 28px;border-radius:24px;font-weight:600;transition:.2s;display:inline-block}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.slider-controls{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:10}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.4);border:none;cursor:pointer;padding:0;transition:.2s}
.dot.active{background:var(--green);width:24px;border-radius:5px}
.arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;width:44px;height:44px;border-radius:50%;font-size:1.5rem;cursor:pointer;z-index:10;display:flex;align-items:center;justify-content:center;transition:.2s}
.arrow:hover{background:var(--green)}
.prev{left:20px}.next{right:20px}

/* Features */
.features{padding:80px 0;background:var(--bg2)}
.features h2,.articles h2,.faq h2{text-align:center;font-size:2rem;margin-bottom:12px;color:#fff}
.section-sub{text-align:center;color:var(--text2);margin-bottom:50px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:30px;transition:.3s}
.card:hover{border-color:var(--green);transform:translateY(-4px)}
.card-icon{font-size:2rem;margin-bottom:16px}
.card h3{font-size:1.1rem;margin-bottom:10px;color:#fff}
.card p{color:var(--text2);font-size:.95rem}

/* Articles */
.articles{padding:80px 0}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;margin-bottom:40px}
.art-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.3s}
.art-card:hover{border-color:var(--green);transform:translateY(-3px)}
.art-card img{width:100%;height:200px;object-fit:cover}
.art-body{padding:20px}
.art-body h3{font-size:1.05rem;margin-bottom:8px}
.art-body h3 a{color:#fff}
.art-body h3 a:hover{color:var(--green)}
.meta{font-size:.8rem;color:var(--text2);margin-bottom:12px}
.read-link{font-size:.9rem;color:var(--green);font-weight:600}
.center{text-align:center}
.btn-outline{border:2px solid var(--green);color:var(--green);padding:10px 28px;border-radius:24px;font-weight:600;display:inline-block;transition:.2s}
.btn-outline:hover{background:var(--green);color:#fff}

/* FAQ */
.faq{padding:80px 0;background:var(--bg2)}
.faq-list{max-width:800px;margin:40px auto 0}
details{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
summary{padding:18px 24px;cursor:pointer;font-weight:600;color:#fff;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:'＋';color:var(--green);font-size:1.2rem}
details[open] summary::after{content:'－'}
details p{padding:0 24px 18px;color:var(--text2)}

/* List Page */
.list-main{padding:50px 0 80px}
.list-layout{display:grid;grid-template-columns:1fr 300px;gap:40px}
.list-header{margin-bottom:40px}
.list-header h1{font-size:2rem;color:#fff;margin-bottom:10px}
.list-header p{color:var(--text2)}
.art-list{display:flex;flex-direction:column;gap:24px}
.list-item{display:flex;gap:20px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.2s}
.list-item:hover{border-color:var(--green)}
.list-img{flex:0 0 220px}
.list-img img{width:220px;height:150px;object-fit:cover}
.list-text{padding:20px;flex:1}
.list-text h2{font-size:1.1rem;margin-bottom:8px}
.list-text h2 a{color:#fff}
.list-text h2 a:hover{color:var(--green)}
.excerpt{color:var(--text2);font-size:.9rem;margin:8px 0 12px}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.page-btn{background:var(--bg2);border:1px solid var(--border);color:var(--text2);padding:8px 14px;border-radius:6px;transition:.2s}
.page-btn:hover,.page-btn.active{background:var(--green);border-color:var(--green);color:#fff}
.page-dots{color:var(--text2);padding:8px 4px}

/* Sidebar */
.sidebar{display:flex;flex-direction:column;gap:24px}
.widget{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.widget h3{font-size:1rem;color:#fff;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--green)}
.widget ul{list-style:none}
.widget li{padding:10px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.widget li:last-child{border-bottom:none}
.widget li a{color:var(--text2);font-size:.9rem;flex:1}
.widget li a:hover{color:var(--green)}
.widget li span{font-size:.75rem;color:var(--text2);white-space:nowrap}
.widget p{color:var(--text2);font-size:.9rem}
.banner-ad img{border-radius:var(--radius);width:100%}

/* Show Page */
.show-main{padding:50px 0 80px}
.show-layout{display:grid;grid-template-columns:1fr 300px;gap:40px}
.art-header{margin-bottom:24px}
.art-header h1{font-size:clamp(1.5rem,3vw,2.2rem);color:#fff;line-height:1.3;margin-bottom:16px}
.art-meta{display:flex;gap:20px;color:var(--text2);font-size:.85rem;flex-wrap:wrap}
.art-cover{margin-bottom:32px;border-radius:var(--radius);overflow:hidden}
.art-cover img{width:100%;max-height:480px;object-fit:cover}
.art-content{color:var(--text2);font-size:1rem;line-height:1.9}
.art-content h2{font-size:1.5rem;color:#fff;margin:36px 0 16px}
.art-content h3{font-size:1.2rem;color:#fff;margin:28px 0 12px}
.art-content p{margin-bottom:18px}
.art-content ol,.art-content ul{padding-left:24px;margin-bottom:18px}
.art-content li{margin-bottom:8px}
.art-content blockquote{border-left:3px solid var(--green);padding:12px 20px;background:var(--bg2);margin:24px 0;color:var(--text2);font-style:italic}
.art-footer{margin-top:40px;padding-top:24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
.tags a{background:var(--bg3);border:1px solid var(--border);color:var(--text2);padding:4px 12px;border-radius:16px;font-size:.8rem;margin-right:6px}
.tags a:hover{border-color:var(--green);color:var(--green)}
.share{display:flex;align-items:center;gap:8px;font-size:.9rem;color:var(--text2)}
.share-wa{background:#25d366;color:#fff;padding:5px 12px;border-radius:4px;font-size:.8rem}
.share-fb{background:#1877f2;color:#fff;padding:5px 12px;border-radius:4px;font-size:.8rem}
.share-tw{background:#1da1f2;color:#fff;padding:5px 12px;border-radius:4px;font-size:.8rem}

/* Footer */
.footer{background:var(--bg2);border-top:1px solid var(--border);padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.f-brand img{margin-bottom:12px}
.f-brand span{display:block;font-weight:700;color:#fff;margin-bottom:8px}
.f-brand p{color:var(--text2);font-size:.9rem}
.f-links h4{color:#fff;margin-bottom:16px;font-size:.95rem}
.f-links a{display:block;color:var(--text2);font-size:.9rem;margin-bottom:10px}
.f-links a:hover{color:var(--green)}
.footer-bottom{background:var(--bg);border-top:1px solid var(--border);padding:16px 0;text-align:center;color:var(--text2);font-size:.85rem}

/* Responsive */
@media(max-width:900px){
  .list-layout,.show-layout{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .list-item{flex-direction:column}
  .list-img,.list-img img{width:100%;height:200px}
}
@media(max-width:600px){
  .header .container{flex-wrap:wrap;height:auto;padding:12px 20px;gap:10px}
  .nav{display:none}
  .footer-inner{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
}