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transparent;transition:background .12s ease,color .12s ease}.admin-nav-item:hover{background:var(--surface-elev);color:var(--text)}.admin-nav-item.is-active{color:var(--text);font-weight:600;border-left-color:var(--primary);background:var(--bg-soft)}.admin-main{flex:1;min-width:0;padding:1.1rem 1.25rem 2rem;overflow:auto}.admin-panel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}.admin-panel-head h2{margin:0;font-size:1rem;font-weight:600}.admin-panel-hint{margin:.35rem 0 0;font-size:var(--fs-sm);color:var(--muted);max-width:52rem;line-height:1.5}.admin-stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(11rem,1fr));gap:.65rem;margin-bottom:1.25rem}.admin-stat-card{padding:.75rem .85rem;border-radius:var(--radius-md);border:1px solid var(--border-soft);background:var(--surface)}.admin-stat-value{font-size:1.35rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}.admin-stat-label{font-size:var(--fs-xs);color:var(--muted);margin-top:.25rem;text-transform:uppercase;letter-spacing:.04em}.admin-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:.65rem}.admin-search{padding:.35rem .55rem;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:var(--fs-sm);min-width:12rem}.admin-table-wrap{border:1px solid var(--border-soft);border-radius:var(--radius-md);overflow:auto;max-height:min(62vh,720px);background:var(--surface)}.admin-table{width:100%;border-collapse:collapse;font-size:var(--fs-sm)}.admin-table th,.admin-table td{padding:.45rem .6rem;text-align:left;border-bottom:1px solid var(--border-soft);vertical-align:top}.admin-th-sub{display:block;font-size:.72rem;font-weight:400;color:var(--muted, #888);margin-top:.12rem}.admin-table th{position:sticky;top:0;background:var(--surface-elev);z-index:1;font-weight:600;color:var(--text-soft);font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.04em}.admin-table tr:last-child td{border-bottom:none}.admin-table tbody tr:hover{background:var(--bg-soft)}.admin-mono{font-family:var(--font-mono);font-size:.78rem;word-break:break-all}.admin-badge{display:inline-flex;align-items:center;padding:.12rem .35rem;border-radius:4px;font-size:.72rem;font-weight:600;text-transform:uppercase}.admin-badge--ok{background:rgba(var(--primary-rgb),.18);color:var(--primary)}.admin-badge--err{background:var(--danger-soft);color:var(--danger)}.admin-empty{padding:2rem;text-align:center;color:var(--muted);font-size:var(--fs-sm)}.admin-error-banner{padding:.55rem .75rem;border-radius:var(--radius-md);background:var(--danger-soft);color:var(--danger);font-size:var(--fs-sm);margin-bottom:1rem}@media (max-width: 820px){.admin-body{flex-direction:column}.admin-sidenav{width:100%;flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--border);padding:.5rem;gap:.35rem}.admin-nav-item{width:auto;border-left:none;border-radius:var(--radius-sm);padding:.35rem .65rem}.admin-nav-item.is-active{border-left:none;box-shadow:inset 0 0 0 1px var(--primary)}}:root{color-scheme:light;--bg: #f4f7fb;--bg-soft: #e8edf5;--bg-elev: #ffffff;--surface: #ffffff;--surface-elev: #fafbfd;--surface2: #f0f4f8;--surface3: #e4eaf2;--border: #d1d9e6;--border-soft: #e4eaf2;--border-strong: #b8c4d4;--text: #0e1525;--text-soft: #3d4f6f;--text-muted: #6b7d9a;--muted: #6b7d9a;--primary: #2563eb;--primary-strong: #1d4ed8;--primary-soft: rgba(37, 99, 235, .1);--primary-dim: #1e3a8a;--primary-rgb: 37, 99, 235;--accent: #0d9488;--accent-rgb: 13, 148, 136;--accent-dim: #c2410c;--accent-2-rgb: 245, 158, 11;--info: #4f46e5;--info-rgb: 79, 70, 229;--info-soft: rgba(79, 70, 229, .1);--success: #059669;--success-soft: rgba(5, 150, 105, .12);--success-bg: rgba(5, 150, 105, .06);--warn: #d97706;--warn-soft: rgba(217, 119, 6, .14);--warn-bg: rgba(217, 119, 6, .06);--danger: #dc2626;--danger-rgb: 220, 38, 38;--danger-soft: rgba(220, 38, 38, .12);--danger-bg: rgba(220, 38, 38, .06);--on-primary: #ffffff;--fs-xs: .75rem;--fs-sm: .875rem;--fs-md: .9375rem;--fs-lg: 1.0625rem;--fs-xl: 1.25rem;--fs-2xl: 1.5rem;--fs-3xl: 2rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 3rem;--radius-xs: 6px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius: var(--radius-md);--shadow-xs: 0 1px 2px rgba(14, 21, 37, .04);--shadow-sm: 0 1px 3px rgba(14, 21, 37, .06), 0 1px 2px rgba(14, 21, 37, .04);--shadow-md: 0 4px 6px -1px rgba(14, 21, 37, .06), 0 2px 4px -2px rgba(14, 21, 37, .04);--shadow-lg: 0 10px 15px -3px rgba(14, 21, 37, .07), 0 4px 6px -4px rgba(14, 21, 37, .04);--shadow-xl: 0 20px 25px -5px rgba(14, 21, 37, .08), 0 8px 10px -6px rgba(14, 21, 37, .04);--shadow-glow: 0 0 0 3px rgba(var(--primary-rgb), .2);--shadow-inset: inset 0 1px 2px rgba(14, 21, 37, .04);--focus-ring: 0 0 0 3px rgba(var(--primary-rgb), .25), 0 0 0 1px rgba(var(--primary-rgb), .35);--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-spring: cubic-bezier(.34, 1.2, .64, 1);--ease-bounce: cubic-bezier(.68, -.3, .32, 1.3);--font-display: "Nunito", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-sans: "Nunito", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--font: var(--font-sans)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;font-optical-sizing:auto;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{display:flex;flex-direction:column}button,input,textarea,select{font:inherit;color:inherit}button,input,textarea,select,a,[role=button]{transition:background-color .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease,transform .12s ease}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}::-webkit-scrollbar-corner{background:transparent}a{color:var(--primary);transition:color .15s ease}a:hover{color:var(--primary-strong)}::selection{background:rgba(var(--primary-rgb),.18);color:var(--text)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-sm)}.app-shell.landing-page{position:relative;min-height:100%;overflow-x:hidden;overflow-y:auto;padding:0;display:flex;flex-direction:column;scroll-behavior:smooth}.app-shell.landing-page .landing-bg{position:fixed}.landing-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:var(--bg);overflow:hidden}.landing-bg-grid{position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;background-image:linear-gradient(rgba(37,99,235,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(79,70,229,.05) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 75% 60% at 50% 38%,black,transparent 80%);mask-image:radial-gradient(ellipse 75% 60% at 50% 38%,black,transparent 80%)}.landing-bg-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}.landing-bg-orb-a{width:60vw;height:60vw;max-width:720px;max-height:720px;top:-20vh;right:-10vw;background:radial-gradient(circle,rgba(var(--primary-rgb),.18),transparent 60%)}.landing-bg-orb-b{width:50vw;height:50vw;max-width:600px;max-height:600px;bottom:-25vh;left:-15vw;background:radial-gradient(circle,rgba(var(--accent-rgb),.16),transparent 60%)}@keyframes landing-reveal{0%{opacity:0;transform:translateY(.85rem)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion: no-preference){.landing-hero{animation:landing-reveal .88s var(--ease-out) both}.landing-aside{animation:landing-reveal .88s var(--ease-out) .12s both}}.landing-nav{position:relative;z-index:2;border-bottom:1px solid var(--border-soft);background:#fffc;backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px)}.landing-nav-inner{max-width:1180px;margin:0 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var(--primary);background:var(--surface);color:var(--primary);font-size:var(--fs-sm);font-weight:700;padding:.4rem .85rem;border-radius:999px;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease;box-shadow:var(--shadow-xs)}a.landing-nav-cta{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.landing-nav-cta:hover{background:var(--primary);border-color:var(--primary);color:var(--on-primary);box-shadow:var(--shadow-sm)}.landing-lang{display:inline-flex;align-items:center;background:var(--surface2);border:1px solid var(--border-soft);border-radius:999px;padding:3px;margin-right:.15rem}.landing-lang-btn{border:none;background:transparent;color:var(--muted);font-size:var(--fs-xs);font-weight:600;letter-spacing:.04em;padding:.3rem .7rem;border-radius:999px;cursor:pointer;transition:color .15s ease,background .15s ease,box-shadow .15s ease}.landing-lang-btn:hover:not(.is-active){color:var(--text-soft)}.landing-lang-btn.is-active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm);font-weight:700}.landing-main{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;width:100%}.landing-hero-row{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:clamp(2rem,5vw,4rem);align-items:center;max-width:1180px;width:100%;margin:0 auto;padding:clamp(2rem,5vw,4rem) clamp(1rem,3vw,2rem);box-sizing:border-box;min-height:calc(100vh - 9rem)}@media (max-width: 960px){.landing-hero-row{grid-template-columns:1fr;align-items:start;padding-top:2rem;gap:2.25rem;min-height:0}}.landing-hero{display:flex;flex-direction:column;gap:1.1rem;max-width:38rem}.landing-eyebrow{display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;font-size:var(--fs-xs);font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--text-soft);background:var(--surface);border:1px 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720px){.landing-br{display:inline}}.landing-stats{list-style:none;margin:.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;max-width:32rem}.landing-stats li{padding:.85rem .95rem;background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-md);display:flex;flex-direction:column;gap:.25rem;transition:border-color .2s ease,background .2s ease,transform .2s var(--ease-out),box-shadow .2s ease;box-shadow:var(--shadow-xs)}.landing-stats li:hover{border-color:rgba(var(--primary-rgb),.3);background:var(--surface-elev);transform:translateY(-2px);box-shadow:var(--shadow-md)}.landing-stats strong{font-size:var(--fs-sm);font-weight:700;color:var(--primary);letter-spacing:.02em}.landing-stats span{font-size:var(--fs-xs);color:var(--muted);line-height:1.5}.landing-preview{position:relative;margin-top:1.4rem;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:.85rem;max-width:36rem}@media (max-width: 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.5rem;border-radius:999px}.lpc-tag-info{color:var(--info);background:var(--info-soft);border-color:rgba(var(--info-rgb),.35)}.lpc-mode{font-size:.7rem;color:var(--muted);font-variant-numeric:tabular-nums}.landing-preview-skeleton ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.4rem}.landing-preview-skeleton li{display:flex;gap:.55rem;align-items:flex-start;padding:.5rem .55rem;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:var(--radius-sm);font-size:.75rem;color:var(--text-soft);line-height:1.45}.landing-preview-skeleton li.is-active{border-color:rgba(var(--primary-rgb),.35);background:rgba(var(--primary-rgb),.06);box-shadow:0 0 0 1px rgba(var(--primary-rgb),.12) inset}.lpc-bullet{flex-shrink:0;width:1.15rem;height:1.15rem;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--surface-elev);font-size:.65rem;font-weight:700;color:var(--text-soft);border:1px solid 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.5rem;border-radius:999px}.landing-aside{display:flex;flex-direction:column;gap:.85rem;width:100%;max-width:26rem;justify-self:end}@media (max-width: 960px){.landing-aside{justify-self:stretch;max-width:100%}}.landing-card{position:relative;background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:clamp(1.4rem,3.5vw,1.85rem);box-shadow:var(--shadow-md);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}.landing-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border)}.landing-card:before{display:none}.landing-card>*{position:relative}.landing-card-tabs{display:inline-flex;align-items:center;background:var(--surface2);border:1px solid var(--border-soft);border-radius:999px;padding:3px;margin-bottom:1.1rem}.landing-card-tab{border:none;background:transparent;color:var(--muted);font-size:var(--fs-sm);font-weight:600;padding:.45rem 1.1rem;border-radius:999px;cursor:pointer;transition:color .2s ease,background .2s ease}.landing-card-tab:hover:not(.is-active){color:var(--text-soft)}.landing-card-tab.is-active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm);font-weight:700}.landing-card-title{margin:0 0 .4rem;font-family:var(--font-display);font-size:clamp(1.2rem,2.5vw,1.42rem);font-weight:700;letter-spacing:-.015em;color:var(--text)}.landing-card-hint{margin:0 0 1.15rem;font-size:var(--fs-sm);line-height:1.55;color:var(--muted)}.landing-auth-solo{max-width:440px;margin:0 auto;padding:clamp(2rem,5vw,3.5rem) 1rem 4rem;position:relative}.landing-auth-solo:before{content:"";position:absolute;top:clamp(1.5rem,4vw,2.25rem);left:50%;transform:translate(-50%);width:min(200px,40%);height:3px;border-radius:2px;background:rgba(var(--primary-rgb),.45);pointer-events:none}.landing-forgot-row{margin:-.35rem 0 .75rem;text-align:right}.landing-forgot-foot{margin:1.25rem 0 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