:root{--brand:#17b0a7;--brand-2:#6fc9e8;--brand-grad:linear-gradient(135deg, #17b0a7 0%, #4fc3d9 55%, #8ed6f0 100%);--text:#1f2329;--text-2:#5c6570;--text-3:#99a2ad;--line:#eaedf1;--bg:#f5f7f9;--card:#fff;--radius:12px;--shadow:0 2px 8px #1f23290f;--shadow-hover:0 6px 18px #1f23291f;--max-w:1400px}*{box-sizing:border-box}html{scrollbar-gutter:stable}@media (hover:hover) and (pointer:fine){html,body{overscroll-behavior-y:none}}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft 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#e8fbff 0%, #eef7fa00 320px), #f7f9fa;--fb-hero-brand:linear-gradient(135deg, #21d4c2 0%, #58c8ff 100%);--fb-on-hero-brand:#fff;--fb-tint:linear-gradient(135deg, #f0fbfd 0%, #f4f9ff 100%);--fb-skel:linear-gradient(90deg, #e3e8eb 25%, #d5dce1 37%, #e3e8eb 63%);--fb-scan-mask:#fffffff0;--fb-scan-ok:#ecfdf5f5;--fb-toggle-off:#dfe4e8;--fb-qr-paper:#fff;--text:#1f2329;--text-2:#5c6570;--text-3:#99a2ad;--line:#eaedf1;--bg:#f5f7f9;--card:#fff;--shadow:0 2px 8px #1f23290f;--shadow-hover:0 6px 18px #1f23291f}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--fb-bg:#060a0c;--fb-bg-elev:#0e1518;--fb-panel:#121a1eeb;--fb-surface:#121a1e;--fb-line:#ffffff1a;--fb-line-soft:#ffffff0f;--fb-text:#eef4f6;--fb-text-2:#a7b4ba;--fb-text-3:#8d999f;--fb-accent:#21d4c2;--fb-accent-strong:#35e3d0;--fb-accent-2:#58c8ff;--fb-accent-contrast:#04211f;--fb-accent-soft:#21d4c21a;--fb-accent-line:#21d4c261;--fb-shadow:0 24px 72px #00000073;--fb-shadow-soft:0 2px 12px 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#0a1114;--fb-band-line:#ffffff14;--fb-divider:#ffffff14;--fb-border:#ffffff2e;--fb-border-2:#ffffff24;--fb-border-strong:#ffffff4d;--fb-chip:#ffffff12;--fb-chip-hover:#ffffff21;--fb-row-hover:#21d4c214;--fb-ph:#1b262c;--fb-ph-2:#1b262c;--fb-ph-3:#1a242a;--fb-mask:#000000b8;--fb-t1:var(--fb-text);--fb-t2:var(--fb-text-2);--fb-t3:#8d999f;--fb-t4:#9aa6ab;--fb-t5:#cfd9dd;--fb-t6:#cfd9dd;--fb-t-sep:var(--fb-t3);--fb-placeholder:#7b878d;--fb-brand-text:var(--fb-accent-strong);--fb-brand-text-2:var(--fb-accent-strong);--fb-grad:linear-gradient(135deg, #21d4c2 0%, #58c8ff 100%);--fb-on-grad:var(--fb-accent-contrast);--fb-soft:#21d4c21f;--fb-soft-2:#21d4c229;--fb-soft-line:#21d4c261;--fb-gold-bg:linear-gradient(135deg, #2b2114 0%, #2c1a21 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.dt-article{--fb-page:#0f1517;--fb-card:#151d21;--fb-surface-2:#131a1d;--fb-band:linear-gradient(191deg, #58e3ff1a -2%, #0f151700 62%), #131b1e;--fb-t1:#f0e8dc;--fb-t2:#b7afa3;--fb-t3:#9a938a;--fb-t4:#a89f94;--fb-t5:#dfd6c9;--fb-t6:#dfd6c9;--fb-ph:#1c2428;--fb-ph-2:#1c2428;--fb-ph-3:#1c2428;--fb-img-bg:#1c2428}:root[data-theme=dark] .dt-know .top-nav,:root[data-theme=dark] .dt-article .top-nav{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--fb-bg:#060a0c;--fb-bg-elev:#0e1518;--fb-panel:#121a1eeb;--fb-surface:#121a1e;--fb-line:#ffffff1a;--fb-line-soft:#ffffff0f;--fb-text:#eef4f6;--fb-text-2:#a7b4ba;--fb-text-3:#8d999f;--fb-accent:#21d4c2;--fb-accent-strong:#35e3d0;--fb-accent-2:#58c8ff;--fb-accent-contrast:#04211f;--fb-accent-soft:#21d4c21a;--fb-accent-line:#21d4c261;--fb-shadow:0 24px 72px #00000073;--fb-shadow-soft:0 2px 12px #0006;--fb-glow:0 0 26px -2px #21d4c259;--fb-img-bg:#16232a;--fb-hover:#ffffff0d;--fb-scheme:dark;--fb-page:#060a0c;--fb-card:#121a1e;--fb-surface-2:#0e1518;--fb-band:linear-gradient(191deg, #58e3ff21 -2%, #060a0c00 62%), #0a1114;--fb-band-line:#ffffff14;--fb-divider:#ffffff14;--fb-border:#ffffff2e;--fb-border-2:#ffffff24;--fb-border-strong:#ffffff4d;--fb-chip:#ffffff12;--fb-chip-hover:#ffffff21;--fb-row-hover:#21d4c214;--fb-ph:#1b262c;--fb-ph-2:#1b262c;--fb-ph-3:#1a242a;--fb-mask:#000000b8;--fb-t1:var(--fb-text);--fb-t2:var(--fb-text-2);--fb-t3:#8d999f;--fb-t4:#9aa6ab;--fb-t5:#cfd9dd;--fb-t6:#cfd9dd;--fb-t-sep:var(--fb-t3);--fb-placeholder:#7b878d;--fb-brand-text:var(--fb-accent-strong);--fb-brand-text-2:var(--fb-accent-strong);--fb-grad:linear-gradient(135deg, #21d4c2 0%, #58c8ff 100%);--fb-on-grad:var(--fb-accent-contrast);--fb-soft:#21d4c21f;--fb-soft-2:#21d4c229;--fb-soft-line:#21d4c261;--fb-gold-bg:linear-gradient(135deg, #2b2114 0%, #2c1a21 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#21d4c259;--fb-img-bg:#16232a;--fb-hover:#ffffff0d;--fb-scheme:dark;--fb-page:#060a0c;--fb-card:#121a1e;--fb-surface-2:#0e1518;--fb-band:linear-gradient(191deg, #58e3ff21 -2%, #060a0c00 62%), #0a1114;--fb-band-line:#ffffff14;--fb-divider:#ffffff14;--fb-border:#ffffff2e;--fb-border-2:#ffffff24;--fb-border-strong:#ffffff4d;--fb-chip:#ffffff12;--fb-chip-hover:#ffffff21;--fb-row-hover:#21d4c214;--fb-ph:#1b262c;--fb-ph-2:#1b262c;--fb-ph-3:#1a242a;--fb-mask:#000000b8;--fb-t1:var(--fb-text);--fb-t2:var(--fb-text-2);--fb-t3:#8d999f;--fb-t4:#9aa6ab;--fb-t5:#cfd9dd;--fb-t6:#cfd9dd;--fb-t-sep:var(--fb-t3);--fb-placeholder:#7b878d;--fb-brand-text:var(--fb-accent-strong);--fb-brand-text-2:var(--fb-accent-strong);--fb-grad:linear-gradient(135deg, #21d4c2 0%, #58c8ff 100%);--fb-on-grad:var(--fb-accent-contrast);--fb-soft:#21d4c21f;--fb-soft-2:#21d4c229;--fb-soft-line:#21d4c261;--fb-gold-bg:linear-gradient(135deg, #2b2114 0%, #2c1a21 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;--lightningcss-dark:initial;color-scheme:dark;background:var(--fb-page)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]),:root:not([data-theme=light]) body{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:var(--fb-page)}}:root[data-theme=dark] .empty-state__title{color:var(--fb-t1)}:root[data-theme=dark] .empty-state__desc{color:var(--fb-t4)}:root[data-theme=dark] .empty-state__btn{color:var(--fb-on-grad);background:var(--fb-grad)}:root[data-theme=dark] .empty-state__link{color:var(--fb-t4)}:root[data-theme=dark] .empty-state__link:hover{color:var(--fb-t1)}:root[data-theme=dark] .empty-inline{color:var(--fb-t3)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .empty-state__title{color:var(--fb-t1)}:root:not([data-theme=light]) .empty-state__desc{color:var(--fb-t4)}:root:not([data-theme=light]) .empty-state__btn{color:var(--fb-on-grad);background:var(--fb-grad)}:root:not([data-theme=light]) .empty-state__link{color:var(--fb-t4)}:root:not([data-theme=light]) .empty-state__link:hover{color:var(--fb-t1)}:root:not([data-theme=light]) .empty-inline{color:var(--fb-t3)}}