:root{--primary: #2563eb;--primary-dark: #1d4ed8;--bg: #f5f7fb;--card: #ffffff;--text: #1f2937;--text-light: #6b7280;--border: #e5e7eb;--radius: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--contact-bg1: #eef2ff;--contact-bg2: #fdf4ff}html.dark{--primary: #3b82f6;--primary-dark: #60a5fa;--bg: #0f172a;--card: #1e293b;--text: #e2e8f0;--text-light: #94a3b8;--border: #334155;--shadow: 0 1px 3px rgba(0, 0, 0, .4);--contact-bg1: #1a2742;--contact-bg2: #251f3f;color-scheme:dark}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;transition:background-color .3s ease,color .3s ease}.card,.nav,.footer,input,textarea,select,.tag,.skill-chip,.info-item,.contact-way{transition:background-color .3s ease,color .3s ease,border-color .3s ease}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}html,body{overflow-x:hidden}::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}::view-transition-old(root),.dark::view-transition-old(root){z-index:1}::view-transition-new(root){z-index:9999}.container{max-width:1080px;margin:0 auto;padding:24px 16px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.page-title{font-size:22px;font-weight:700;margin-bottom:16px}.form-item{margin-bottom:16px}.form-item label{display:block;font-size:13px;color:var(--text-light);margin-bottom:6px}.form-item input,.form-item textarea,.form-item select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;outline:none;transition:border-color .2s}.form-item input:focus,.form-item textarea:focus{border-color:var(--primary)}.form-item textarea{min-height:90px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;gap:6px;padding:9px 18px;border:none;border-radius:8px;font-size:14px;cursor:pointer;background:var(--primary);color:#fff;transition:background .2s}.btn:hover{background:var(--primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-ghost:hover{background:#2563eb14}.btn-danger{background:#dc2626}.btn-danger:hover{background:#b91c1c}.btn-sm{padding:5px 12px;font-size:13px}.tag{display:inline-block;padding:2px 10px;margin:2px 4px 2px 0;font-size:12px;border-radius:20px;background:#2563eb1a;color:var(--primary)}.msg{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}.msg-error{background:#fef2f2;color:#b91c1c}.msg-success{background:#f0fdf4;color:#15803d}.nav{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.nav-inner{max-width:1080px;margin:0 auto;padding:0 16px;height:58px;display:flex;align-items:center;justify-content:space-between}.nav-brand{font-size:17px;font-weight:700;color:var(--text)}.nav-links{display:flex;gap:20px}.nav-links a{color:var(--text-light);font-size:14px}.nav-links a.router-link-active{color:var(--primary);font-weight:600}@media(max-width:640px){.card{padding:18px}.container{padding:20px 16px}.nav-links{gap:14px}.nav-links a{font-size:13px}.nav-brand{font-size:15px}}