*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: 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157, 176, .1);--brand-softer: rgba(47, 157, 176, .06);--brand-ink: #1a2b30;--border: rgba(0, 0, 0, .08);--unread-bg: rgba(47, 157, 176, .05);--sidebar-bg: #1f2d33;--sidebar-text: #d7e3e6;--sidebar-text-dim: rgba(215, 227, 230, .55);--sidebar-active: rgba(47, 157, 176, .22);--sidebar-hover: rgba(255, 255, 255, .05);--sidebar-border: rgba(255, 255, 255, .07);--shadow-sm: 0 1px 3px rgba(20, 40, 45, .08);--shadow-md: 0 4px 16px rgba(20, 40, 45, .12);font-synthesis:none}html,body,#root{height:100%;margin:0;padding:0;overflow:hidden}body{font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}.app-shell{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden}.app-body{display:flex;flex:1 1 auto;min-height:0;position:relative}.sidebar{width:var(--left-width);min-width:56px;flex:0 0 auto;display:flex;flex-direction:column;background:var(--sidebar-bg);color:var(--sidebar-text);border-right:1px solid var(--sidebar-border);overflow:hidden;transition:width .16s ease}.sidebar-collapsed{width:56px}.sidebar .MuiTypography-root{color:var(--sidebar-text)}.sidebar .MuiListItemText-secondary{color:var(--sidebar-text-dim)!important}.sidebar .MuiListItemIcon-root{color:var(--sidebar-text-dim);min-width:32px}.sidebar .MuiListItemButton-root{color:var(--sidebar-text);border-radius:6px;margin:1px 6px}.sidebar .MuiListItemButton-root:hover{background:var(--sidebar-hover)}.sidebar .MuiListItemButton-root.Mui-selected,.sidebar .MuiListItemButton-root.Mui-selected:hover{background:var(--sidebar-active)}.sidebar .MuiListItemButton-root.Mui-selected .MuiListItemIcon-root{color:#8fd3df}.sidebar .MuiDivider-root{border-color:var(--sidebar-border)}.sidebar .MuiIconButton-root{color:var(--sidebar-text-dim)}.sidebar 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5px;cursor:col-resize;background:transparent;position:relative;z-index:10;touch-action:none}.resizer:hover,.resizer-active{background:#2f9db047}.resizer:after{content:"";position:absolute;inset:0 -3px}.notice-bar{display:flex;align-items:center;gap:8px;padding:6px 14px;font-size:13px;border-bottom:1px solid var(--border);flex:0 0 auto}.notice-bar-offline{background:#fff7ed;color:#9a6b1f}.notice-bar-error{background:#fdf1f1;color:#b5453f}.notice-bar-syncing{background:var(--brand-soft);color:var(--brand-strong)}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#78787852;border-radius:8px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:#6464648c;background-clip:padding-box}.scroll-area{overflow-y:auto;overflow-x:hidden;flex:1 1 auto;min-height:0}.mail-row{display:flex;align-items:flex-start;gap:8px;padding:11px 14px;border-bottom:1px solid var(--border);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;position:relative;transition:background .12s ease}.mail-row:hover{background:#28323709}.mail-row-unread{background:var(--unread-bg)}.mail-row-unread .mail-row-subject,.mail-row-unread .mail-row-from{font-weight:700}.mail-row-selected{background:var(--brand-soft)}.mail-row-selected:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand)}.unread-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 8px;margin-top:6px}.account-color{width:3px;align-self:stretch;border-radius:2px;flex:0 0 3px}.mail-row-subject{font-size:13.5px;line-height:1.35;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-row-from,.mail-row-snippet,.mail-row-time{font-size:12px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.78}.thread-badge{font-size:11px;border-radius:9px;padding:0 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0;padding-left:12px;opacity:.8}.reader-text{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:14px;line-height:1.7}.reader-body{flex:1 1 auto;min-height:0;overflow-y:auto;padding:16px 20px 28px}.compose-grid{display:flex;flex-direction:column;gap:10px}.wizard-step{min-height:220px;display:flex;flex-direction:column;gap:12px}.settings-layout{display:flex;min-height:420px}.settings-nav{width:190px;flex:0 0 190px;border-right:1px solid var(--border)}.settings-panel{flex:1 1 auto;padding:8px 20px 20px;overflow-y:auto;max-height:62vh}.error-strip{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#fdecec;color:#a11818;border-radius:4px;font-size:13px}mark.hit{background:#ffe58f;color:inherit;padding:0 1px;border-radius:2px}