:root{--bg: #f3f5f9;--surface: #ffffff;--surface-soft: #f8fafc;--text: #1f2937;--text-muted: #5b6677;--border: #d9e1ec;--accent: #0f766e;--accent-strong: #0c5b55;--shadow: 0 16px 34px rgba(23, 35, 60, .08);font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5;font-weight:400;color:var(--text);background-color:var(--bg);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 12% 18%,rgba(15,118,110,.16),transparent 40%),radial-gradient(circle at 90% 2%,rgba(14,116,144,.14),transparent 32%),linear-gradient(165deg,#f8fafc,#eef2f7)}#root{width:min(1120px,100% - 32px);margin:0 auto;padding:40px 0 48px}.home{display:grid;gap:24px}.home-header{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:var(--shadow)}.home-header h1{margin:8px 0 10px;font-size:clamp(1.65rem,2.8vw,2.2rem);line-height:1.2;letter-spacing:.01em}.eyebrow{margin:0;font-size:.78rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--accent)}.description{margin:0;color:var(--text-muted)}.group-tabs{display:flex;gap:10px;overflow-x:auto;padding:2px;scrollbar-width:thin}.group-tab{border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-weight:600;padding:8px 14px;cursor:pointer;white-space:nowrap;transition:border-color .16s ease,background-color .16s ease,color .16s ease}.group-tab[aria-selected=true]{border-color:var(--accent);background:var(--accent);color:#fff}.group-tab:hover{border-color:#0f766e80}.group-tab:focus-visible{outline:3px solid rgba(15,118,110,.3);outline-offset:2px}.group-panel{display:block}.site-footer{margin-top:8px;text-align:center;color:var(--text-muted);font-size:.85rem}.site-footer p{margin:0}.group-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.group-card h2{margin:0 0 12px;font-size:1.1rem}.group-card ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}.nav-link{display:flex;align-items:center;gap:12px;text-decoration:none;border:1px solid var(--border);background:var(--surface-soft);color:inherit;border-radius:12px;padding:12px;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.nav-link:hover{border-color:#0f766e73;transform:translateY(-1px);box-shadow:0 8px 18px #0f766e1f}.nav-link:focus-visible{outline:3px solid rgba(15,118,110,.3);outline-offset:2px;border-color:var(--accent)}.nav-link .title{font-weight:600}.link-content{min-width:0;display:grid;gap:2px}.link-logo-wrap{width:36px;height:36px;border-radius:10px;border:1px solid rgba(15,118,110,.22);background:#fff;display:grid;place-items:center;overflow:hidden;flex-shrink:0}.link-logo{width:22px;height:22px;object-fit:contain}.nav-link .meta{color:var(--text-muted);font-size:.9rem}@media(max-width:640px){#root{width:min(1120px,100% - 24px);padding-top:20px}.home-header,.group-card{border-radius:14px;padding:14px}.group-tabs{gap:8px}}