/* windfei.online · 全站样式 v1.0 */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;color:#2d3748;background:#f7fafc;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.nav{background:rgba(255,255,255,.96);backdrop-filter:blur(12px);padding:14px 0;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:#0c4a6e}
.logo-icon{width:36px;height:36px;background:linear-gradient(135deg,#0ea5e9 0%,#06b6d4 100%);border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 4px 12px rgba(14,165,233,.3)}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{color:#4a5568;font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#0ea5e9}
.hero{background:linear-gradient(135deg,#0c4a6e 0%,#0e7490 50%,#0891b2 100%);color:#fff;padding:90px 24px 70px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 30%,rgba(255,255,255,.12) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(255,255,255,.08) 0%,transparent 50%)}
.hero-inner{max-width:780px;margin:0 auto;position:relative;z-index:1}
.badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);padding:6px 16px;border-radius:20px;font-size:13px;margin-bottom:20px;backdrop-filter:blur(10px)}
.hero h1{font-size:46px;font-weight:800;margin-bottom:18px;letter-spacing:-1px;line-height:1.2}
.hero .subtitle{font-size:18px;opacity:.95;margin-bottom:36px;font-weight:400}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:8px;font-weight:600;font-size:15px;transition:all .2s;cursor:pointer;border:none}
.btn-primary{background:#fff;color:#0c4a6e}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,0,0,.15)}
.btn-secondary{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-secondary:hover{background:rgba(255,255,255,.25)}
.container{max-width:1100px;margin:0 auto;padding:70px 24px}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:32px;color:#1a202c;margin-bottom:10px;font-weight:700}
.section-title p{color:#718096;font-size:15px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.card{background:#fff;padding:28px;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.06);transition:all .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.08)}
.card-icon{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,#0ea5e9 0%,#06b6d4 100%);display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:10px;color:#1a202c}
.card p{color:#4a5568;font-size:14px}
.post-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06);transition:all .25s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(0,0,0,.1)}
.post-cover{height:160px;background:linear-gradient(135deg,#0ea5e9 0%,#06b6d4 100%);display:flex;align-items:center;justify-content:center;font-size:48px;color:#fff}
.post-cover.cv-2{background:linear-gradient(135deg,#0c4a6e 0%,#0e7490 100%)}
.post-cover.cv-3{background:linear-gradient(135deg,#0891b2 0%,#0e7490 100%)}
.post-cover.cv-4{background:linear-gradient(135deg,#1e3a8a 0%,#0ea5e9 100%)}
.post-cover.cv-5{background:linear-gradient(135deg,#7c3aed 0%,#0ea5e9 100%)}
.post-cover.cv-6{background:linear-gradient(135deg,#b45309 0%,#0ea5e9 100%)}
.post-cover.cv-7{background:linear-gradient(135deg,#dc2626 0%,#1e3a8a 100%)}
.post-cover.cv-8{background:linear-gradient(135deg,#1e1b4b 0%,#6d28d9 100%)}
.post-cover.cv-9{background:linear-gradient(135deg,#047857 0%,#14b8a6 100%)}
.post-cover.cv-10{background:linear-gradient(135deg,#0c4a6e 0%,#0891b2 100%)}
.post-cover.cv-11{background:linear-gradient(135deg,#f59e0b 0%,#0e7490 100%)}
.post-cover.cv-14{background:linear-gradient(135deg,#be123c 0%,#312e81 100%)}
.post-cover.cv-15{background:linear-gradient(135deg,#0f766e 0%,#1e1b4b 100%)}
.post-cover.cv-16{background:linear-gradient(135deg,#334155 0%,#0369a1 100%)}
.post-cover.cv-17{background:linear-gradient(135deg,#6d28d9 0%,#0ea5e9 100%)}
.post-cover.cv-18{background:linear-gradient(135deg,#a16207 0%,#1e1b4b 100%)}
.post-body{padding:24px;flex:1;display:flex;flex-direction:column}
.post-meta{display:flex;gap:14px;font-size:12px;color:#718096;margin-bottom:10px}
.post-card h3{font-size:19px;margin-bottom:10px;color:#1a202c;line-height:1.4}
.post-card p{color:#4a5568;font-size:14px;flex:1;margin-bottom:14px}
.post-link{color:#0ea5e9;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:4px}
.post-link:hover{gap:8px}
.tag{display:inline-block;padding:3px 10px;background:#e0f2fe;color:#0369a1;border-radius:12px;font-size:12px;font-weight:500;margin-right:6px}
.article{max-width:760px;margin:0 auto;padding:60px 24px}
.article-header{text-align:center;margin-bottom:40px;padding-bottom:30px;border-bottom:1px solid #e2e8f0}
.article-header h1{font-size:36px;color:#1a202c;margin-bottom:14px;line-height:1.3;font-weight:800}
.article-meta{display:flex;gap:18px;justify-content:center;color:#718096;font-size:13px;flex-wrap:wrap}
.article-body{font-size:16px;color:#2d3748;line-height:1.85}
.article-body h2{font-size:26px;margin:40px 0 16px;color:#1a202c;font-weight:700}
.article-body h3{font-size:20px;margin:30px 0 12px;color:#1a202c;font-weight:600}
.article-body p{margin-bottom:18px}
.article-body ul,.article-body ol{margin:0 0 18px 24px}
.article-body li{margin-bottom:8px}
.article-body code{background:#edf2f7;padding:2px 8px;border-radius:4px;font-family:"Fira Code",Consolas,monospace;font-size:14px;color:#0c4a6e}
.article-body pre{background:#1a202c;color:#e2e8f0;padding:18px;border-radius:8px;overflow-x:auto;margin-bottom:18px;font-size:14px}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body blockquote{border-left:4px solid #0ea5e9;background:#f0f9ff;padding:14px 20px;margin:18px 0;border-radius:0 6px 6px 0;color:#1a202c}
.article-back{margin-bottom:24px}
.article-back a{color:#0ea5e9;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:4px}
.article-back a:hover{gap:8px}
.profile{display:flex;gap:40px;align-items:flex-start;margin-bottom:40px;flex-wrap:wrap}
.avatar{width:160px;height:160px;border-radius:50%;background:linear-gradient(135deg,#0ea5e9 0%,#06b6d4 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:64px;font-weight:700;flex-shrink:0;box-shadow:0 8px 20px rgba(14,165,233,.25)}
.profile-info h1{font-size:32px;margin-bottom:8px;color:#1a202c}
.profile-info .role{color:#0ea5e9;font-weight:600;margin-bottom:16px}
.profile-info p{color:#4a5568;font-size:15px;margin-bottom:12px}
.contact-list{list-style:none;margin-top:20px}
.contact-list li{display:flex;align-items:center;gap:10px;padding:6px 0;color:#4a5568;font-size:14px}
.contact-list .ico{color:#0ea5e9;font-weight:bold;width:20px}
.project{background:#fff;padding:28px;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.06);transition:all .25s;border-left:4px solid #0ea5e9}
.project:hover{box-shadow:0 12px 28px rgba(0,0,0,.08);transform:translateY(-2px)}
.project h3{font-size:19px;margin-bottom:8px;color:#1a202c}
.project .role-line{color:#0ea5e9;font-size:13px;font-weight:600;margin-bottom:10px}
.project p{color:#4a5568;font-size:14px;margin-bottom:12px}
.project-tags{margin-top:12px}
footer{background:#1a202c;color:#cbd5e0;padding:50px 24px 28px;text-align:center}
.footer-inner{max-width:800px;margin:0 auto}
.footer-brand{font-size:20px;color:#fff;font-weight:700;margin-bottom:8px}
.footer-tagline{font-size:13px;opacity:.75;margin-bottom:24px}
.footer-links{display:flex;justify-content:center;gap:24px;margin-bottom:24px;flex-wrap:wrap}
.footer-links a{color:#cbd5e0;font-size:13px;transition:color .2s}
.footer-links a:hover{color:#0ea5e9}
.copyright{border-top:1px solid #2d3748;padding-top:20px;font-size:12px;opacity:.6}
@media(max-width:768px){
.hero h1{font-size:30px}
.hero .subtitle{font-size:15px}
.section-title h2{font-size:24px}
.container{padding:50px 20px}
.nav-links{display:none}
.profile{flex-direction:column;align-items:center;text-align:center}
.article-header h1{font-size:26px}
.article-body h2{font-size:22px}
}
.post-cover.cv-13{background:linear-gradient(135deg,#92400e 0%,#7c2d12 100%)}