:root{--bg: #ffffff;--bg-soft: #f6f8f7;--card: #ffffff;--border: #e4ebe9;--text: #1c2b33;--muted: #5f7278;--accent: #0e7c6b;--accent-dark: #0a6355;--accent-soft: #e7f4f1;--ok: #16a34a;--warn: #d97706;--err: #dc2626;--radius: 12px;--shadow: 0 1px 3px rgba(14, 124, 107, .08);--content: 760px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-dark);text-decoration:underline}.container{max-width:1080px;margin:0 auto;padding:0 20px}.content-width{max-width:var(--content);margin:0 auto}.site-header{background:var(--bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}.nav{max-width:1080px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text)}.brand:hover{text-decoration:none}.brand .logo{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(135deg,var(--accent),#128f9e);color:#fff;font-size:16px}.nav-links{display:flex;gap:20px;align-items:center}.nav-links a{color:var(--text);font-size:15px;font-weight:500}.nav-links a:hover{color:var(--accent);text-decoration:none}@media (max-width: 640px){.nav-links{gap:12px}}.hero{background:linear-gradient(135deg,#0e7c6b,#128f9e);color:#fff;padding:56px 20px;text-align:center}.hero h1{font-size:34px;margin-bottom:12px;letter-spacing:.3px}.hero p{font-size:17px;opacity:.92;max-width:640px;margin:0 auto}@media (max-width: 640px){.hero{padding:40px 16px}.hero h1{font-size:26px}}main{padding:32px 0 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ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.related a{color:var(--accent);text-decoration:none;font-size:15px}.related a:hover{text-decoration:underline}.site-footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted);font-size:14px;background:var(--bg-soft)}.site-footer .inner{max-width:1080px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.site-footer a{color:var(--muted)}.site-footer a:hover{color:var(--accent)}.section-title{font-size:22px;margin-bottom:16px}.empty{color:var(--muted);padding:40px;text-align:center}.byline{display:flex;gap:16px;flex-wrap:wrap}