:root{--ink: #101827;--muted: #667085;--paper: #fffdf7;--line: #e3e8df;--green: #16a34a;--green-dark: #0e7a37;--green-soft: #ecfdf5;--gold: #f59e0b;--gold-soft: #fffbeb;--blue-soft: #eff6ff;--shadow: 0 18px 50px rgba(16, 24, 39, .1);font-family:Inter,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f7faf4}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.btn{min-height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;font-weight:900;cursor:pointer}.btn.primary{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 14px 24px #16a34a2e}.btn.gold{background:var(--gold-soft);border-color:#fde68a;color:#92400e}.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:950}.brand-mark{width:36px;height:36px;display:grid;place-items:center;border-radius:8px;color:#fff;background:var(--green)}.topbar{background:#fffdf7e6;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.topbar-inner{width:min(1180px,calc(100vw - 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