:root{--bg-app:#F7F7F5;--bg-surface:#FFFFFF;--bg-subtle:#F2F2F0;--bg-hover:#ECECEA;--text-primary:#20201E;--text-secondary:#6F6F69;--text-tertiary:#92928C;--border-default:#E3E3DF;--border-strong:#CECEC8;--action-primary:#20201E;--action-primary-text:#FFFFFF;--action-primary-hover:#000000;--success:#168047;--success-bg:rgba(22,128,71,0.08);--warning:#A15C00;--warning-bg:rgba(161,92,0,0.08);--danger:#C5221F;--danger-bg:rgba(197,34,31,0.08);--focus:#2563EB;--bg:var(--bg-app);--bg-soft:var(--bg-subtle);--surface:var(--bg-surface);--surface-soft:var(--bg-subtle);--ink:var(--text-primary);--body:var(--text-secondary);--muted:var(--text-tertiary);--muted-soft:#A5A5A0;--hairline:var(--border-default);--hairline-soft:var(--border-default);--hairline-strong:var(--border-strong);--primary:var(--action-primary);--primary-soft:rgba(32,32,30,0.06);--primary-hover:var(--action-primary-hover);--success-soft:var(--success-bg);--warning-soft:var(--warning-bg);--error:var(--danger);--error-soft:var(--danger-bg);--r-dialog:14px;--r-card:10px;--r-btn:8px;--r-input:8px;--r-tag:6px;--r-xs:4px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:14px;--r-2xl:18px;--r-pill:9999px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;--fs-page-title:28px;--fs-dialog-title:20px;--fs-section-title:16px;--fs-field-label:14px;--fs-body:14px;--fs-caption:13px;--fs-meta:12px;--sidebar-w:220px;--content-max:760px;--shadow-sm:0 1px 2px rgba(0,0,0,0.04);--shadow-md:0 2px 8px rgba(0,0,0,0.06);--shadow-lg:0 12px 40px rgba(0,0,0,0.12);--shadow-dialog:0 24px 60px rgba(0,0,0,0.15),0 4px 12px rgba(0,0,0,0.08);--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px}[data-theme=dark]{--bg-app:#0F0F0E;--bg-surface:#1A1A18;--bg-subtle:#222220;--bg-hover:#2A2A28;--text-primary:#F0F0EC;--text-secondary:#A8A8A0;--text-tertiary:#787870;--border-default:#2E2E2A;--border-strong:#40403C;--action-primary:#F0F0EC;--action-primary-text:#141412;--action-primary-hover:#FFFFFF;--success:#30D158;--success-bg:rgba(48,209,88,0.12);--warning:#FFB340;--warning-bg:rgba(255,179,64,0.12);--danger:#FF6961;--danger-bg:rgba(255,105,97,0.12);--shadow-sm:0 1px 2px rgba(0,0,0,0.3);--shadow-md:0 2px 8px rgba(0,0,0,0.4);--shadow-lg:0 12px 40px rgba(0,0,0,0.5);--shadow-dialog:0 24px 60px rgba(0,0,0,0.6),0 4px 12px rgba(0,0,0,0.4);--bg:var(--bg-app);--bg-soft:var(--bg-subtle);--surface:var(--bg-surface);--surface-soft:var(--bg-subtle);--ink:var(--text-primary);--body:var(--text-secondary);--muted:var(--text-tertiary);--muted-soft:#606058;--hairline:var(--border-default);--hairline-soft:var(--border-default);--hairline-strong:var(--border-strong);--primary:var(--action-primary);--primary-soft:rgba(240,240,236,0.08);--primary-hover:var(--action-primary-hover);--success-soft:var(--success-bg);--warning-soft:var(--warning-bg);--error:var(--danger);--error-soft:var(--danger-bg)}*{box-sizing:border-box;margin:0;padding:0}body,html{overflow-x:hidden}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-app);line-height:1.5;font-size:var(--fs-body);font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-optical-sizing:auto}a,body{color:var(--text-primary)}a{text-decoration:none}a:hover{color:var(--text-primary)}button{font-family:var(--font);font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0}input,select,textarea{font-family:var(--font);font-size:var(--fs-body)}:focus-visible{outline:2px 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translateY(0)}}@keyframes n-overlay-in{0%{opacity:0}to{opacity:1}}@keyframes n-fade-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}.n-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);height:40px;padding:0 var(--sp-4,16px);border-radius:var(--r-btn);font-family:var(--font);font-size:var(--fs-field-label);font-weight:500;line-height:1;white-space:nowrap;cursor:pointer;border:1px solid transparent;transition:background-color .15s ease,border-color .15s ease,color .15s ease,opacity .15s ease,transform .1s ease,box-shadow .15s ease;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;position:relative;will-change:transform}.n-btn:focus-visible{outline:2px solid 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var(--danger-bg)!important}.n-input-label{display:block;font-size:var(--fs-caption);font-weight:500;color:var(--text-primary);margin-bottom:var(--sp-2)}.n-input-hint{color:var(--text-tertiary)}.n-input-error-msg,.n-input-hint{font-size:var(--fs-meta);margin-top:var(--sp-1)}.n-input-error-msg{color:var(--danger)}.n-select{width:100%;height:40px;padding:0 var(--sp-3);padding-right:36px;border:1px solid var(--border-default);border-radius:var(--r-input);background:var(--bg-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236F6F69' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 10px center;color:var(--text-primary);font-family:var(--font);font-size:var(--fs-field-label);line-height:1;outline:none;appearance:none;-webkit-appearance:none;cursor:pointer;transition:border-color .15s ease}.n-select:hover{border-color:var(--border-strong)}.n-select:focus{border-color:var(--text-primary)}.n-switch{position:relative;width:48px;height:28px;border-radius:var(--r-pill);border:none;cursor:pointer;background:var(--border-strong);transition:background-color .2s ease;flex-shrink:0;padding:0;-webkit-tap-highlight-color:transparent}.n-switch:after{content:"";position:absolute;top:2px;left:2px;width:24px;height:24px;border-radius:50%;background:#FFFFFF;box-shadow:0 2px 4px rgba(0,0,0,.15),0 .5px 1px rgba(0,0,0,.1);transition:transform .25s cubic-bezier(.34,1.56,.64,1),box-shadow .2s ease}.n-switch[aria-checked=true]{background:var(--success)}.n-switch[aria-checked=true]:after{transform:translateX(20px)}.n-switch:active:after{width:28px;box-shadow:0 2px 6px rgba(0,0,0,.2)}.n-switch:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.n-switch:disabled{opacity:.4;cursor:not-allowed}.n-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 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var(--border-default);display:block}.n-avatar-placeholder{background:var(--bg-subtle);color:var(--text-tertiary)}.n-avatar-edit-btn,.n-avatar-placeholder{display:flex;align-items:center;justify-content:center}.n-avatar-edit-btn{position:absolute;right:-2px;bottom:-2px;width:28px;height:28px;border-radius:50%;background:var(--bg-surface);border:1px solid var(--border-default);cursor:pointer;color:var(--text-secondary);box-shadow:var(--shadow-sm);transition:background-color .12s ease,color .12s ease,transform .1s ease;-webkit-tap-highlight-color:transparent}.n-avatar-edit-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.n-avatar-edit-btn:active{transform:scale(.92)}.n-account-info{flex:1 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.settings-row-control{width:100%}.settings-readonly-value{font-size:14px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.settings-status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px;vertical-align:middle}.settings-status-dot.ok{background:var(--success)}.settings-status-dot.muted{background:var(--muted-soft)}.settings-status-dot.error{background:var(--error)}.settings-status-tag{display:inline-flex;align-items:center;padding:3px 10px;font-size:11px;font-weight:500;border-radius:999px;background:var(--bg-soft);color:var(--muted)}.settings-status-tag.ok{background:rgba(52,199,89,.12);color:var(--success)}.settings-status-tag.muted{color:var(--muted-soft)}.settings-status-tag.error{background:var(--error-soft);color:var(--error)}.settings-field{display:flex;flex-direction:column;gap:8px;padding:10px 0}.settings-section-body>.settings-field+.settings-field{border-top:1px solid var(--hairline-soft)}.settings-field-label{font-size:14px;line-height:1.4;font-weight:400;color:var(--ink)}.settings-field-label-row{display:flex;align-items:center;justify-content:space-between}.settings-field-count{font-size:13px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.settings-field-input-wrap{position:relative;display:flex;align-items:center;width:100%}.settings-field-input,.settings-field-select{width:100%;height:36px;padding:0 12px;font-size:14px;font-family:inherit;border:1px solid var(--hairline);border-radius:8px;background:var(--surface);color:var(--ink);outline:none;transition:border-color .15s ease,background-color .15s ease,box-shadow .15s ease}.settings-field-select{padding-right:36px;cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2' 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ease}.settings-field-suffix-btn:hover{color:var(--ink);background:var(--surface-soft)}.settings-field-hint{font-size:13px;line-height:1.5;color:var(--muted)}.settings-field-error{font-size:13px;line-height:1.5;color:var(--error)}.settings-row-control .settings-field-select{width:auto;min-width:160px;height:30px;padding:0 32px 0 12px;font-size:13px;background-position:right 10px center;border-radius:6px;background-color:var(--surface)}.settings-row-control .settings-field{gap:0;padding:0}.settings-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 14px;height:34px;font-size:14px;line-height:1;font-weight:500;font-family:inherit;border-radius:8px;cursor:pointer;white-space:nowrap;transition:background-color .15s ease,opacity .15s ease,transform .1s ease,border-color .15s ease;border:1px solid transparent;-webkit-tap-highlight-color:transparent}.settings-btn:active:not(:disabled){transform:scale(.98)}.settings-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.settings-btn:disabled{opacity:.5;cursor:not-allowed}.settings-btn-primary{background:var(--ink);color:var(--surface)}.settings-btn-primary:hover:not(:disabled){opacity:.88}[data-theme=dark] .settings-btn-primary{background:var(--ink);color:var(--surface)}.settings-btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--hairline)}.settings-btn-secondary:hover:not(:disabled){background:var(--surface-soft);border-color:var(--hairline-strong)}.settings-btn-ghost{background:transparent;color:var(--ink)}.settings-btn-ghost:hover:not(:disabled){background:var(--surface-soft)}.settings-btn-danger{background:var(--surface);color:var(--error);border-color:var(--hairline)}.settings-btn-danger:hover:not(:disabled){background:var(--error-soft);border-color:var(--error)}.settings-btn-error{box-shadow:0 0 0 2px var(--error)}.settings-btn.compact{height:30px;padding:0 12px;font-size:13px;border-radius:6px}.settings-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding:10px 0}.settings-toggle-text{flex:1 1;min-width:0}.settings-toggle-label{font-size:14px;font-weight:400;color:var(--ink);letter-spacing:-.01em}.settings-toggle-desc{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.4}.settings-toggle{width:44px;height:26px;border-radius:9999px;background:#d1d1d6;border:none;cursor:pointer;position:relative;transition:background-color .25s ease;flex-shrink:0;padding:0;-webkit-tap-highlight-color:transparent}[data-theme=dark] .settings-toggle{background:#39393d}.settings-toggle.on{background:#34c759}.settings-toggle:after{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.15),0 0 0 .5px rgba(0,0,0,.06);transition:transform .25s ease}.settings-toggle.on:after{transform:translateX(18px)}.settings-toggle.disabled{opacity:.45;cursor:not-allowed}.settings-toggle:focus-visible{outline:2px solid #007aff;outline-offset:2px}.settings-segmented{display:inline-flex;border-radius:8px;overflow:hidden;background:var(--bg-soft);padding:2px}.settings-segmented-item{padding:0 12px;height:26px;font-size:13px;font-weight:500;background:transparent;border:none;color:var(--muted);cursor:pointer;border-radius:6px;transition:background-color .15s ease,color .15s ease;font-family:inherit}.settings-segmented-item:hover{color:var(--ink)}.settings-segmented-item.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}.settings-segmented-item:focus-visible{outline:2px solid #007aff;outline-offset:-2px}.settings-tag-grid{display:flex;flex-wrap:wrap;gap:6px}.settings-tag{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;font-size:12px;font-weight:500;font-family:inherit;background:transparent;color:var(--ink);border:1px solid var(--hairline);border-radius:999px;cursor:pointer;transition:background-color .12s ease,color .12s ease,border-color .12s ease,transform .08s ease;-webkit-tap-highlight-color:transparent}.settings-tag:hover{background:rgba(0,122,255,.08);border-color:var(--hairline)}.settings-tag.selected{background:#007aff;color:#fff;border-color:#007aff}[data-theme=dark] .settings-tag.selected{background:#0a84ff;border-color:#0a84ff}.settings-tag:active:not(:disabled){transform:scale(.96)}.settings-tag:focus-visible{outline:2px solid #007aff;outline-offset:2px}.settings-tag-custom-input{width:100%;max-width:280px;height:30px;padding:0 12px;font-size:13px;font-family:inherit;border:1px solid var(--hairline);border-radius:6px;background:var(--surface);color:var(--ink);outline:none;margin-top:6px;transition:border-color .12s ease}.settings-tag-custom-input:hover{border-color:var(--muted)}.settings-tag-custom-input:focus{border-color:#007aff;box-shadow:0 0 0 3px var(--primary-soft)}.settings-save-bar{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:12px 40px;border-top:1px solid var(--border-default);background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);z-index:5;position:sticky;bottom:0;margin-top:auto}[data-theme=dark] .settings-save-bar{background:rgba(26,26,24,.85)}.settings-save-bar-hint{font-size:var(--fs-meta);color:var(--text-tertiary);margin-right:auto}.settings-save-bar-actions{display:flex;gap:8px}.settings-inline-message{display:flex;align-items:flex-start;gap:8px;padding:10px 14px;font-size:13px;border-radius:8px;line-height:1.45}.settings-inline-message.success{background:rgba(52,199,89,.12);color:var(--success)}.settings-inline-message.error{background:var(--error-soft);color:var(--error)}.settings-inline-message.warning{background:var(--warning-soft);color:var(--warning)}.settings-inline-message.info{background:var(--bg-soft);color:var(--muted)}.settings-confirm-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;z-index:500;padding:20px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.settings-confirm-dialog{background:var(--surface);border-radius:14px;padding:28px 20px 16px;max-width:360px;width:100%;box-shadow:0 20px 60px 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