*,::after,::before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fafafa;--card-bg:#ffffff;--text:#2c2c2c;--text-secondary:#666666;--text-muted:#999999;--accent:#4f46e5;--accent-hover:#4338ca;--border:#e5e5e5;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--shadow-lg:0 4px 16px rgba(0,0,0,.08);--radius:12px;--radius-sm:8px}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}.container{max-width:720px;margin:0 auto;padding:60px 24px}.profile{text-align:center;margin-bottom:48px}.avatar{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid var(--border);box-shadow:var(--shadow-lg);margin-bottom:20px;background:linear-gradient(135deg,#e0e7ff 0,#c7d2fe 100%)}.avatar-placeholder{width:120px;height:120px;border-radius:50%;margin:0 auto 20px;background:linear-gradient(135deg,#6366f1 0,#8b5cf6 100%);display:flex;align-items:center;justify-content:center;font-size:48px;color:#fff;font-weight:700;box-shadow:var(--shadow-lg);user-select:none}.nickname{font-size:28px;font-weight:700;color:var(--text);margin-bottom:4px}.pronouns{font-size:14px;color:var(--text-muted);font-weight:400;margin-left:6px}.tagline{font-size:16px;color:var(--text-secondary);margin-bottom:8px}.social-links{display:flex;justify-content:center;gap:16px;margin-top:14px;flex-wrap:wrap}.social-link{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);text-decoration:none;font-size:14px;padding:6px 14px;border-radius:20px;border:1px solid var(--border);transition:.2s}.social-link:hover{color:var(--accent);border-color:var(--accent);background:#eef2ff}.social-link svg{width:16px;height:16px}.section{margin-bottom:40px}.section-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border)}.intro-card{background:var(--card-bg);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow);border:1px solid var(--border)}.intro-card p{color:var(--text-secondary);font-size:15px;line-height:1.8}.intro-card p+p{margin-top:12px}.projects-grid{display:grid;grid-template-columns:1fr;gap:16px}@media (min-width:600px){.projects-grid{grid-template-columns:repeat(2,1fr)}}.project-card{background:var(--card-bg);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);border:1px solid var(--border);text-decoration:none;color:inherit;transition:.25s;display:flex;flex-direction:column}.project-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent);transform:translateY(-2px)}.project-icon{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}.project-name{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--text)}.project-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;flex:1}.project-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.project-tag{font-size:12px;color:var(--accent);background:#eef2ff;padding:3px 10px;border-radius:12px;font-weight:500}.project-link-icon{display:inline-block;margin-left:4px;font-size:13px;transition:transform .2s}.project-card:hover .project-link-icon{transform:translate(2px,-2px)}.footer{text-align:center;margin-top:60px;font-size:13px;color:var(--text-muted)}.footer a{color:var(--accent);text-decoration:none}.footer a:hover{text-decoration:underline}