@charset "UTF-8";:root{--bt-font: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--bt-weight-regular: 400;--bt-weight-semibold: 600;--bt-fs-display: 36px;--bt-fs-h1: 28px;--bt-fs-h2: 20px;--bt-fs-h3: 17px;--bt-fs-body: 15px;--bt-fs-secondary: 13px;--bt-fs-label: 12px;--bt-fs-table: 13px;--bt-lh-tight: 1.4;--bt-lh-normal: 1.5;--bt-lh-loose: 1.85;--bt-space-1: 4px;--bt-space-2: 8px;--bt-space-3: 12px;--bt-space-4: 16px;--bt-space-5: 24px;--bt-space-6: 32px;--bt-space-7: 48px;--bt-space-8: 64px;--bt-section-gap: 48px;--bt-cell-y: 12px;--bt-control-h: 40px;--bt-radius-sm: 6px;--bt-radius-md: 10px;--bt-radius-feature: 4px 30px 4px 4px;--bt-radius-seal: 10px 3px 9px 3px;--bt-radius-pill: 999px;--bt-shadow-modal: 0 20px 50px rgba(0, 0, 0, .18);--bt-shadow-toast: 0 8px 24px rgba(0, 0, 0, .12);--bt-container: min(1160px, calc(100% - 80px) )}:root[data-density=compact]{--bt-fs-display: 28px;--bt-fs-h1: 20px;--bt-fs-h2: 16px;--bt-fs-h3: 14px;--bt-fs-body: 13px;--bt-fs-secondary: 12px;--bt-fs-label: 11px;--bt-fs-table: 12.5px;--bt-lh-loose: 1.6;--bt-section-gap: 20px;--bt-cell-y: 9px;--bt-control-h: 32px}:root,:root[data-theme=light]{--bt-primary: #214e42;--bt-primary-hover: #173a30;--bt-on-primary: #ffffff;--bt-paper: #fafbf7;--bt-surface: #ffffff;--bt-surface-side: #f3f6f0;--bt-soft: #edf1e8;--bt-feature: #e7eddf;--bt-ink: #243c34;--bt-muted: #62746a;--bt-line: #d9e1d7;--bt-line-strong: #c3cfc4;--bt-link: #214e42;--bt-accent: #af843c;--bt-accent-line: #c8b68b;--bt-success: #2f6b4f;--bt-success-bg: #e4efe6;--bt-warning: #8a6a2a;--bt-warning-bg: #f3ecdb;--bt-danger: #9a4a3a;--bt-danger-bg: #f2e4e0;--bt-overlay: rgba(36, 60, 52, .35)}:root[data-theme=dark]{--bt-primary: #2f6b58;--bt-primary-hover: #3a7d67;--bt-on-primary: #ffffff;--bt-paper: #141c18;--bt-surface: #1a2520;--bt-surface-side: #111815;--bt-soft: #1c2a24;--bt-feature: #1c2a24;--bt-ink: #e3e9e2;--bt-muted: #8fa095;--bt-line: #27352f;--bt-line-strong: #3b4c44;--bt-link: #8fcbb0;--bt-accent: #d2a85c;--bt-accent-line: #8c7340;--bt-success: #7fc3a0;--bt-success-bg: #1d2f27;--bt-warning: #d2a85c;--bt-warning-bg: #2b2618;--bt-danger: #cb7a66;--bt-danger-bg: #2e1f1b;--bt-overlay: rgba(0, 0, 0, .5)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bt-primary: #2f6b58;--bt-primary-hover: #3a7d67;--bt-on-primary: #ffffff;--bt-paper: #141c18;--bt-surface: #1a2520;--bt-surface-side: #111815;--bt-soft: #1c2a24;--bt-feature: #1c2a24;--bt-ink: #e3e9e2;--bt-muted: #8fa095;--bt-line: #27352f;--bt-line-strong: #3b4c44;--bt-link: #8fcbb0;--bt-accent: #d2a85c;--bt-accent-line: #8c7340;--bt-success: #7fc3a0;--bt-success-bg: #1d2f27;--bt-warning: #d2a85c;--bt-warning-bg: #2b2618;--bt-danger: #cb7a66;--bt-danger-bg: #2e1f1b;--bt-overlay: rgba(0, 0, 0, .5)}}@media(max-width:960px){:root{--bt-container: calc(100% - 48px) }}@media(max-width:640px){:root{--bt-container: calc(100% - 32px) }}html,body{margin:0;padding:0}