:root{--brand: #0e9f6e;--brand-dark: #0b7a54;--brand-soft: #e6f6ef;--ink: #18241f;--muted: #5d6d66;--bg: #f5f8f6;--card: #ffffff;--line: #e2e9e5;--amber: #d97706;--coral: #e05d45;--blue: #2563eb;--radius: 14px;--shadow: 0 1px 2px rgba(16, 44, 32, .05), 0 8px 24px -12px rgba(16, 44, 32, .12);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}img,svg{vertical-align:middle}a{color:inherit;text-decoration:none}h1,h2,h3,h4{margin:0 0 .5em;line-height:1.35}p{margin:0 0 1em}ul{padding-left:1.2em}.container{max-width:1180px;margin:0 auto;padding:0 20px}::selection{background:#cdeee0}.topbar{background:#0b7a54;color:#eafff5;font-size:13px}.topbar-in{display:flex;align-items:center;justify-content:center;gap:8px;padding:6px 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