.header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 8px 20px #0f172a0a}.header-container{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:1rem 24px;max-width:1400px;margin:0 auto}.logo{display:inline-flex;align-items:center;gap:.8rem}.logo img{width:40px;height:40px;border-radius:12px}.logo-text{font-size:1.2rem;font-weight:700;color:var(--text)}.nav-section{display:flex;align-items:center;gap:1.5rem;flex:1;justify-content:flex-end}.nav-menu{position:relative}.nav-list{display:flex;align-items:center;gap:1rem;list-style:none;margin:0;padding:0}.nav-item a{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .8rem;border-radius:999px;color:var(--muted-dark);font-weight:600;transition:background .2s ease,color .2s ease}.nav-item a:hover{background:var(--surface-alt);color:var(--text)}.search-container{display:flex}.search-box{display:flex;align-items:center;gap:.5rem;padding:.35rem .5rem;border-radius:999px;background:var(--surface-alt);border:1px solid var(--border)}.search-input{border:none;background:transparent;min-width:200px}.search-input:focus{outline:none}.search-btn{border:none;background:var(--primary);color:#fff;padding:.4rem .75rem;border-radius:999px;cursor:pointer}.nav-toggle{display:none;flex-direction:column;justify-content:center;width:30px;height:30px;background:transparent;border:none;cursor:pointer;padding:0;z-index:30;position:relative}.nav-toggle span{display:block;width:100%;height:3px;background:var(--text);border-radius:3px;transition:all .3s ease;position:absolute;left:0}.nav-toggle span:nth-child(1){top:6px}.nav-toggle span:nth-child(2){top:14px}.nav-toggle span:nth-child(3){top:22px}.nav-toggle.active span:nth-child(1){transform:rotate(45deg);top:14px}.nav-toggle.active span:nth-child(2){opacity:0;transform:translate(-10px)}.nav-toggle.active span:nth-child(3){transform:rotate(-45deg);top:14px}.search-container-mobile{display:none}@media (max-width: 900px){.nav-toggle{display:flex}.nav-list{position:absolute;top:56px;right:0;flex-direction:column;align-items:flex-start;background:#fff;padding:1rem;border-radius:16px;box-shadow:var(--shadow);min-width:220px;opacity:0;pointer-events:none;transform:translateY(10px);transition:all .2s ease}.nav-list.active{opacity:1;pointer-events:auto;transform:translateY(0)}.search-container-pc{display:none}.search-container-mobile{display:block;width:100%}.search-box{width:100%}.search-input{min-width:0;flex:1}}:root{--primary: #2563eb;--primary-dark: #1e40af;--accent: #f97316;--surface: #f8fafc;--surface-alt: #f1f5f9;--text: #0f172a;--muted: #64748b;--muted-dark: #475569;--border: #e2e8f0;--shadow: 0 12px 30px rgba(15, 23, 42, .08);--radius-lg: 20px;--radius-md: 14px;--container-width: 1400px}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif;background:var(--surface);color:var(--text);line-height:1.6}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font-family:inherit}.container{width:min(1400px,100%);margin:0 auto;padding:0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.4rem;border-radius:999px;border:none;cursor:pointer;font-weight:600;transition:transform .2s ease,box-shadow .2s ease}.btn.primary{background:var(--primary);color:#fff;box-shadow:0 10px 20px #2563eb33}.btn.primary:hover{transform:translateY(-1px)}.text-link{color:var(--primary);font-weight:600}[v-cloak]{display:none}.footer{background:#0f172a;color:#e2e8f0;padding:3rem 0 2rem}.footer .logo-text{color:inherit!important}.footer-container{display:flex;flex-direction:column;gap:2.5rem}.footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,.8fr));gap:2rem}.footer-brand .logo{display:inline-flex;align-items:center;gap:.7rem;margin-bottom:1rem}.footer-brand .logo img{width:40px;height:40px;border-radius:12px}.footer-brand p{color:#e2e8f0b3;margin:0 0 1.5rem}.footer-share{display:flex;flex-wrap:wrap;gap:.6rem}.share-btn{border:none;background:#94a3b826;color:#e2e8f0;padding:.5rem .9rem;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;gap:.5rem}.share-btn:hover{background:#94a3b84d}.share-btn.ghost{padding:.4rem;width:36px;height:36px;justify-content:center}.footer-links{display:grid;gap:.6rem}.footer-links h4{margin:0 0 .6rem;font-size:1rem;color:#f8fafc}.footer-links a{color:#e2e8f0bf}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-top:1px solid rgba(148,163,184,.2);padding-top:1.5rem;font-size:.9rem;color:#e2e8f0b3}.footer-social{display:flex;gap:.5rem}@media (max-width: 900px){.footer-top{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}}