:root{--bg:#000;--bg2:#0a0a0f;--bg3:#0d1117;--c:#00f5ff;--cb:#0080ff;--cp:#a855f7;--cpk:#ec4899;--t:#fff;--t2:#94a3b8;--t3:#64748b;--b:rgba(0,245,255,.2);--g:linear-gradient(135deg,var(--c),var(--cb),var(--cp))}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Rajdhani',sans-serif;background:var(--bg);color:var(--t);line-height:1.6}
nav{position:fixed;top:0;left:0;width:100%;padding:20px 40px;display:flex;justify-content:space-between;align-items:center;z-index:1000;background:rgba(0,0,0,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--b)}
.logo,.footer-logo{font-family:'Orbitron',sans-serif;font-weight:700;background:var(--g);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.logo{font-size:1.5rem;text-decoration:none}
.nav-links{display:flex;gap:8px;list-style:none}
.nav-links a{color:var(--t2);text-decoration:none;font-size:.95rem;font-weight:500;text-transform:uppercase;letter-spacing:1.5px;padding:10px 20px;border-radius:8px}
.nav-links a:hover,.nav-links a.active{color:var(--c)}
.mobile-menu{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:1001}
.mobile-menu span{width:25px;height:2px;background:var(--c)}
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:100px 20px}
.hero-content{text-align:center}
.hero-subtitle{font-family:'Orbitron',sans-serif;font-size:1rem;color:var(--c);text-transform:uppercase;letter-spacing:8px;margin-bottom:20px}
.hero-title{font-family:'Orbitron',sans-serif;font-size:clamp(2.5rem,8vw,5rem);font-weight:900;line-height:1.1;margin-bottom:20px}
.hero-title .highlight{background:var(--g);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-description{font-size:1.1rem;color:var(--t2);max-width:900px;margin:0 auto 40px;line-height:1.8}
.hero-buttons{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.btn{padding:15px 40px;font-family:'Orbitron',sans-serif;font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;border:none;border-radius:4px;cursor:pointer}
.btn-primary{background:var(--g);color:var(--bg)}
.btn-secondary{background:transparent;color:var(--c);border:2px solid var(--c)}
.hero-terminal{margin-top:60px;padding:30px;background:var(--bg3);border:1px solid var(--b);border-radius:8px;font-family:'Courier New',monospace;text-align:left;max-width:500px;margin-left:auto;margin-right:auto}
.terminal-header{display:flex;gap:8px;margin-bottom:15px}
.terminal-dot{width:12px;height:12px;border-radius:50%}
.terminal-dot.red{background:#ff5f56}.terminal-dot.yellow{background:#ffbd2e}.terminal-dot.green{background:#27ca40}
.terminal-line{color:var(--t2);margin-bottom:8px}
.terminal-line .prompt{color:var(--c)}.terminal-line .command{color:var(--t)}.terminal-line .output{color:var(--cp)}
.cursor{display:inline-block;width:10px;height:20px;background:var(--c);animation:blink 1s infinite}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}
section{padding:120px 40px}
.section-header{text-align:center;margin-bottom:80px}
.section-tag{font-family:'Orbitron',sans-serif;font-size:.85rem;text-transform:uppercase;letter-spacing:3px;margin-bottom:15px;display:inline-flex;align-items:center;gap:12px;padding:10px 24px;border-radius:30px;background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.3);color:var(--c)}
.section-title{font-family:'Orbitron',sans-serif;font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:20px}
.section-subtitle{color:var(--t2);font-size:1.05rem;max-width:900px;margin:0 auto;line-height:1.7}
.container{max-width:1200px;margin:0 auto}
.about{background:var(--bg2)}
.about-grid{display:flex;flex-direction:column;align-items:center;gap:40px}
.about-image{max-width:240px;width:100%}
.about-image-frame{width:100%;aspect-ratio:1;background:var(--g);border-radius:20px;padding:3px}
.about-image-inner{width:100%;height:100%;background:var(--bg3);border-radius:18px;display:flex;align-items:center;justify-content:center;font-family:'Orbitron',sans-serif;font-size:5rem}
.about-image-caption{text-align:center;margin-top:12px}
.about-image-caption p{color:var(--t3);font-size:.9rem;letter-spacing:1px}
.about-content{text-align:left}
.about-content h3{font-family:'Orbitron',sans-serif;font-size:1.8rem;margin-bottom:20px;color:var(--c);text-align:center}
.about-content p{color:var(--t2);margin-bottom:20px;font-size:1.05rem}
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.stat-item{text-align:center;padding:20px;background:var(--bg3);border:1px solid var(--b);border-radius:10px}
.stat-number{font-family:'Orbitron',sans-serif;font-size:2.5rem;font-weight:700;color:var(--c)}
.stat-label{color:var(--t3);font-size:.9rem;text-transform:uppercase;letter-spacing:1px}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.skill-card,.project-card,.blog-card,.related-card{background:var(--bg3);border:1px solid var(--b);border-radius:16px;text-decoration:none;display:block;color:inherit}
.skill-card:hover,.project-card:hover,.blog-card:hover,.related-card:hover,.contact-item:hover{border-color:var(--c)}
.skill-card{padding:30px}.project-card,.blog-card{overflow:hidden}
.skill-icon{width:60px;height:60px;background:var(--g);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:20px}
.skill-card h3,.project-card h3{font-family:'Orbitron',sans-serif;font-size:1.2rem;margin-bottom:15px}
.skill-card p,.project-card p{color:var(--t2);font-size:.95rem;margin-bottom:20px}
.skill-tags,.project-tech{display:flex;flex-wrap:wrap;gap:8px}
.skill-tag{padding:5px 12px;background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.3);border-radius:20px;font-size:.8rem;color:var(--c)}
.projects{background:var(--bg2)}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px}
.project-image{height:200px;background:var(--g);display:flex;align-items:center;justify-content:center}
.project-icon{width:80px;height:80px;background:rgba(255,255,255,.08);border-radius:20px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.15)}
.project-icon-text{color:rgba(255,255,255,.9);font-size:2rem}
.projects-grid .project-content{padding:25px}
.project-badge{display:inline-block;padding:5px 12px;background:rgba(168,85,247,.2);border:1px solid var(--cp);border-radius:20px;font-size:.75rem;color:var(--cp);text-transform:uppercase;letter-spacing:1px;margin:5px 0 15px}
.project-tech span{padding:4px 10px;background:var(--bg2);border-radius:4px;font-size:.8rem;color:var(--t3)}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px}
.blog-image{height:180px;background:linear-gradient(135deg,var(--cb),var(--cp));display:flex;align-items:center;justify-content:center;position:relative}
.blog-icon{width:70px;height:70px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2)}
.blog-icon-text{color:rgba(255,255,255,.9);font-size:1.5rem}
.blog-date{position:absolute;bottom:15px;left:15px;padding:8px 15px;background:rgba(0,0,0,.8);border-radius:4px;font-family:'Orbitron',sans-serif;font-size:.8rem}
.blog-content{padding:25px}
.blog-category{color:var(--c);font-size:.85rem;text-transform:uppercase;letter-spacing:2px;margin-bottom:10px}
.blog-card h3{font-family:'Orbitron',sans-serif;font-size:1.2rem;margin-bottom:15px;line-height:1.4}
.blog-card p{color:var(--t2);font-size:.95rem;margin-bottom:20px}
.blog-meta{display:flex;align-items:center;gap:20px;color:var(--t3);font-size:.85rem}
.methodology{background:var(--bg)}
.methodology-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}
.methodology-card{background:var(--bg3);border:1px solid var(--b);border-radius:16px;padding:30px}
.methodology-card h3{font-family:'Orbitron',sans-serif;font-size:1.3rem;margin-bottom:15px;color:var(--c)}
.methodology-card p{color:var(--t2);font-size:1rem;line-height:1.7}
.contact{background:var(--bg2)}
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info h3{font-family:'Orbitron',sans-serif;font-size:1.8rem;margin-bottom:20px}
.contact-info p{color:var(--t2);margin-bottom:30px}
.contact-links{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;align-items:center;gap:20px;padding:20px;background:var(--bg3);border:1px solid var(--b);border-radius:12px;text-decoration:none;color:var(--t)}
.contact-icon{width:50px;height:50px;background:var(--g);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.contact-text h4{font-size:1rem;margin-bottom:5px}
.contact-text span{color:var(--t3);font-size:.9rem}
.contact-form{background:var(--bg3);border:1px solid var(--b);border-radius:16px;padding:40px}
.form-group{margin-bottom:25px}
.form-group label{display:block;margin-bottom:10px;color:var(--t2);font-size:.9rem;text-transform:uppercase;letter-spacing:1px}
.form-group input,.form-group textarea{width:100%;padding:15px 20px;background:var(--bg2);border:1px solid var(--b);border-radius:8px;color:var(--t);font-family:inherit;font-size:1rem}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--c)}
.form-group textarea{min-height:150px;resize:vertical}
.form-btn{width:100%;padding:18px;background:var(--g);border:none;border-radius:8px;color:var(--bg);font-family:'Orbitron',sans-serif;font-size:1rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;cursor:pointer}
footer{padding:60px 40px 30px;background:var(--bg);border-top:1px solid var(--b);text-align:center}
.footer-logo{font-size:2rem;margin-bottom:20px}
.footer-links{display:flex;justify-content:center;gap:8px;margin-bottom:20px}
.footer-links a{color:var(--t2);text-decoration:none;font-size:.9rem;padding:8px 16px;border-radius:6px}
.footer-links a:hover{color:var(--c)}
.footer-copyright{color:var(--t3);font-size:.9rem}
@media(max-width:992px){
nav{padding:15px 20px}
.nav-links{position:fixed;top:0;right:-100%;width:70%;height:100vh;background:var(--bg2);flex-direction:column;justify-content:center;align-items:center;border-left:1px solid var(--b)}
.nav-links.active{right:0}
.mobile-menu{display:flex}
section{padding:80px 20px}
.about-image{max-width:200px}
.contact-wrapper{grid-template-columns:1fr}
}
@media(max-width:768px){
.hero-title{font-size:2.5rem}
.hero-terminal{display:none}
.about-stats{grid-template-columns:1fr}
.skills-grid,.projects-grid,.blog-grid{grid-template-columns:1fr}
.footer-links{flex-wrap:wrap}
}

/* =========== 文章页 =========== */
.reading-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--c),var(--cp),var(--cpk));z-index:1001}
.article-container{max-width:800px;margin:0 auto;padding:100px 20px 80px}
.back-btn{display:inline-flex;align-items:center;gap:10px;padding:10px 20px;background:var(--bg3);border:1px solid var(--b);border-radius:30px;color:var(--t2);text-decoration:none;font-size:.9rem;margin-bottom:30px}
.back-btn:hover{border-color:var(--c);color:var(--c)}
.article-header{text-align:center;margin-bottom:40px}
.article-category{display:inline-flex;align-items:center;gap:8px;color:var(--c);font-family:'Orbitron',sans-serif;font-size:.8rem;text-transform:uppercase;letter-spacing:3px;margin-bottom:20px;padding:8px 20px;background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.3);border-radius:30px}
.article-title{font-family:'Orbitron',sans-serif;font-size:clamp(1.8rem,5vw,2.5rem);font-weight:700;margin-bottom:20px;background:var(--g);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.3}
.article-meta{color:var(--t3);font-size:.9rem;display:flex;justify-content:center;flex-wrap:wrap;gap:20px}
.article-cover{width:100%;height:350px;border-radius:20px;margin-bottom:50px;display:flex;align-items:center;justify-content:center;font-family:'Orbitron',sans-serif;font-size:6rem;color:rgba(255,255,255,.2);overflow:hidden}
.article-content h2{font-family:'Orbitron',sans-serif;font-size:1.4rem;color:var(--c);margin:50px 0 25px;padding-left:15px;border-left:3px solid var(--c)}
.article-content h3{font-family:'Orbitron',sans-serif;font-size:1.1rem;color:var(--cp);margin:35px 0 15px}
.article-content p{color:var(--t2);font-size:1.05rem;line-height:1.9;margin-bottom:20px}
.article-content ul,.article-content ol{color:var(--t2);margin:20px 0 25px 25px;line-height:2}
.article-content li{margin-bottom:8px;padding-left:10px}
.article-content li::marker{color:var(--c)}
.article-content strong{color:var(--c);font-weight:600}
.article-content code{background:rgba(0,245,255,.1);padding:3px 10px;border-radius:4px;color:var(--c);font-family:'Courier New',monospace;font-size:.95em;border:1px solid rgba(0,245,255,.2)}
.article-content pre{background:var(--bg3);border-radius:12px;border:1px solid var(--b);overflow:hidden;margin:25px 0}
.article-content pre code{background:none;padding:20px;display:block;line-height:1.7;overflow-x:auto;color:var(--t2)}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:50px 0;justify-content:center}
.article-tag{padding:8px 18px;background:rgba(0,245,255,.05);border:1px solid rgba(0,245,255,.2);border-radius:25px;font-size:.85rem;color:var(--c)}
.article-actions{display:flex;justify-content:center;gap:20px;padding:30px 0;border-top:1px solid var(--b);border-bottom:1px solid var(--b);margin:40px 0}
.action-btn{display:flex;align-items:center;gap:8px;padding:12px 25px;background:var(--bg3);border:1px solid var(--b);border-radius:30px;color:var(--t2);font-size:.95rem;cursor:pointer}
.action-btn:hover{border-color:var(--c);color:var(--c)}
.author-card{background:rgba(0,245,255,.05);border:1px solid var(--b);border-radius:16px;padding:30px;margin:40px 0;display:flex;align-items:center;gap:25px}
.author-avatar{width:80px;height:80px;background:linear-gradient(135deg,var(--c),var(--cp));border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Orbitron',sans-serif;font-size:2rem;flex-shrink:0}
.author-info h4{font-family:'Orbitron',sans-serif;margin-bottom:5px}
.author-info p{color:var(--t3);font-size:.9rem;margin-bottom:10px!important}
.author-stats{display:flex;gap:20px}
.author-stat{display:flex;align-items:center;gap:5px;font-size:.85rem;color:var(--t3)}
.author-stat span{color:var(--c);font-weight:600}
.related-articles{margin:50px 0}
.related-articles h3{font-family:'Orbitron',sans-serif;margin-bottom:25px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.related-card{padding:20px}
.related-card h4{font-family:'Orbitron',sans-serif;font-size:.95rem;margin-bottom:10px;line-height:1.4}
.related-card-meta{font-size:.8rem;color:var(--t3)}
@media(max-width:768px){
.author-card{flex-direction:column;text-align:center}
.article-cover{height:220px;font-size:4rem}
}

/* =========== 项目详情页 =========== */
.project-detail-header{padding:160px 20px 60px;text-align:center}
.project-detail-header h1{font-size:3rem;margin-bottom:20px;color:#fff}
.project-detail-header h1 span{color:var(--accent,#00f5ff)}
.project-cover{width:100%;max-width:1000px;margin:0 auto 60px;height:300px;border-radius:20px;display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:5rem}
article.project-content{max-width:800px;margin:0 auto;padding:0 20px 80px}
.project-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:60px;padding:30px;background:rgba(0,245,255,.05);border:1px solid rgba(0,245,255,.2);border-radius:16px}
.project-stats .stat{text-align:center}
.project-stats .stat-value{font-size:2rem;font-weight:700;color:var(--accent,#00f5ff)}
.project-stats .stat-label{color:rgba(255,255,255,.6);font-size:.9rem;margin-top:5px}
.project-section{margin-bottom:50px}
.project-section h2{font-size:1.8rem;color:#fff;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid rgba(0,245,255,.3)}
.project-section p{color:rgba(255,255,255,.8);line-height:1.8;margin-bottom:15px}
.project-section .tech-stack-list,.project-section .feature-list{list-style:none;padding:0}
.project-section .tech-stack-list{display:flex;flex-wrap:wrap;gap:15px}
.project-section .tech-stack-list li{padding:10px 20px;background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.3);border-radius:8px;color:#fff;font-size:.95rem}
.project-section .feature-list li{padding:15px 20px;background:rgba(0,0,0,.3);border-left:3px solid var(--accent,#00f5ff);margin-bottom:15px;border-radius:0 8px 8px 0;color:rgba(255,255,255,.85)}
.project-section .feature-list li strong{color:var(--accent,#00f5ff)}
.project-back-btn,.skill-back-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;background:rgba(0,245,255,.1);border:1px solid var(--accent,#00f5ff);border-radius:30px;color:var(--accent,#00f5ff);text-decoration:none;font-size:1rem;margin-top:40px}
.project-back-btn:hover,.skill-back-btn:hover{background:var(--accent,#00f5ff);color:#000}
@media(max-width:768px){
.project-detail-header h1{font-size:2rem}
.project-stats{grid-template-columns:repeat(2,1fr)}
.project-detail-header .article-meta{flex-direction:column;gap:10px}
}

/* =========== 技能详情页 =========== */
.skill-header{padding:160px 20px 60px;text-align:center}
.skill-header .skill-badge{display:inline-block;padding:8px 20px;background:rgba(0,245,255,.2);border:1px solid var(--accent,#00f5ff);border-radius:20px;color:var(--accent,#00f5ff);font-size:.9rem;margin-bottom:20px}
.skill-header h1{font-size:3rem;margin-bottom:20px;color:#fff}
.skill-header h1 span{color:var(--accent,#00f5ff)}
.skill-content{max-width:800px;margin:0 auto;padding:0 20px 80px}
.skill-section{margin-bottom:50px}
.skill-section h2{font-size:1.8rem;color:#fff;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid rgba(0,245,255,.3)}
.skill-section p{color:rgba(255,255,255,.8);line-height:1.8;margin-bottom:15px}
.skill-bars{margin:30px 0}
.skill-bar{margin-bottom:25px}
.skill-bar-label{display:flex;justify-content:space-between;color:rgba(255,255,255,.8);margin-bottom:8px;font-size:.95rem}
.skill-bar-percent{color:var(--accent,#00f5ff);font-weight:600}
.skill-bar-track{height:8px;background:rgba(255,255,255,.1);border-radius:4px;overflow:hidden}
.skill-bar-fill{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent,#00f5ff),rgba(0,245,255,.6))}
.skill-tech-list{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0}
.skill-tech-list li{padding:8px 16px;background:rgba(0,245,255,.1);border:1px solid rgba(0,245,255,.25);border-radius:6px;color:#fff;font-size:.9rem}
.skill-experience-list{list-style:none;padding:0}
.skill-experience-list li{padding:15px 20px;background:rgba(0,0,0,.3);border-left:3px solid var(--accent,#00f5ff);margin-bottom:12px;border-radius:0 8px 8px 0;color:rgba(255,255,255,.85)}
.skill-experience-list li strong{color:var(--accent,#00f5ff)}
.skill-cover{width:100%;max-width:800px;margin:0 auto 40px;height:180px;border-radius:16px;display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:5rem;color:var(--accent,#00f5ff)}
@media(max-width:768px){.skill-header h1{font-size:2rem}}