:root{--primary: #1976d2;--primary-deep: #1565c0;--primary-soft: #eaf3fc;--canvas: #f5f6fa;--surface: #ffffff;--ink: #202735;--muted: #657184;--line: #e4e8f0;--green: #2e9e5b;--green-soft: #e3f4e9;--orange: #ff9800;--orange-soft: #fff3df;--purple: #6a1b9a;--purple-soft: #f3eafb;font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--ink);background:var(--canvas);font-synthesis:none;line-height:1.65}:root{--navigation-height: 76px}*{box-sizing:border-box}body{margin:0}a{color:var(--primary-deep)}button,input,textarea,select{font:inherit}.icon{width:24px;height:24px;flex-shrink:0;vertical-align:middle}button:not(:where([data-media-player] *)),.button{min-height:46px;padding:11px 20px;border:0;border-radius:14px;background:var(--primary);color:#fff;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;line-height:1.5}button:not(:where([data-media-player] 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