:root{--font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic UI", Arial, sans-serif;--font-family-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;--color-primary: #1a73e8;--color-primary-hover: #1557b0;--color-primary-light: #e8f0fe;--color-bg-page: #f8f9fa;--color-surface: #ffffff;--color-surface-hover: #f1f3f4;--color-text-primary: #202124;--color-text-secondary: #5f6368;--color-text-tertiary: #80868b;--color-text-inverse: #ffffff;--color-border: #dadce0;--color-border-subtle: #e8eaed;--theme-blue: linear-gradient(135deg, #1967d2 0%, #1557b0 100%);--theme-green: linear-gradient(135deg, #137333 0%, #0d652d 100%);--theme-teal: linear-gradient(135deg, #007b83 0%, #006064 100%);--theme-purple: linear-gradient(135deg, #8430ce 0%, #681da8 100%);--theme-amber: linear-gradient(135deg, #e37400 0%, #b06000 100%);--theme-red: linear-gradient(135deg, #c5221f 0%, #9a1614 100%);--color-success: #1e8e3e;--color-success-bg: #e6f4ea;--color-warning: #f9ab00;--color-warning-bg: #fef7e0;--color-danger: #d93025;--color-danger-bg: #fce8e6;--shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);--shadow-md: 0 1px 3px 0 rgba(60, 64, 67, .3), 0 4px 8px 3px rgba(60, 64, 67, .15);--shadow-lg: 0 2px 6px 2px rgba(60, 64, 67, .15), 0 8px 24px 4px rgba(60, 64, 67, .2);--shadow-card: 0 1px 2px 0 rgba(60,64,67,.1), 0 2px 6px 2px rgba(60,64,67,.05);--header-height: 64px;--max-content-width: 1040px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 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auto;padding:24px 16px 80px}.hero-banner{border-radius:var(--radius-md);padding:28px 32px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:16px;transition:background var(--transition-normal)}.hero-banner.theme-blue{background:var(--theme-blue)}.hero-banner.theme-green{background:var(--theme-green)}.hero-banner.theme-teal{background:var(--theme-teal)}.hero-banner.theme-purple{background:var(--theme-purple)}.hero-banner.theme-amber{background:var(--theme-amber)}.hero-banner.theme-red{background:var(--theme-red)}.hero-banner:after{content:"";position:absolute;right:-20px;bottom:-20px;width:180px;height:180px;background:radial-gradient(circle,#ffffff26,#fff0 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var(--color-primary-light);width:320px}.search-input{border:none;background:transparent;outline:none;width:100%;font-size:13px}.filter-chips{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:4px 12px;border-radius:var(--radius-full);border:1px solid var(--color-border);background:var(--color-surface);font-size:12px;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}.chip:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.chip.active{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary);font-weight:500}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.sub-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--transition-fast),box-shadow 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#0000004d}.card-badge.badge-public{background:#1e8e3ee6;color:#fff}.card-badge.badge-private{background:#5f6368e6;color:#fff}.card-body{padding:16px;display:flex;flex-direction:column;flex:1}.card-title{font-size:15px;font-weight:600;color:var(--color-text-primary);margin-bottom:6px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.card-desc{font-size:12px;color:var(--color-text-secondary);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;flex:1}.card-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid 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var(--transition-fast)}.modal-overlay.active .modal-dialog{transform:scale(1)}.modal-dialog.modal-lg{max-width:960px;height:85vh}.modal-header{padding:18px 24px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:17px;font-weight:600;color:var(--color-text-primary);display:flex;align-items:center;gap:8px}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:14px 24px;border-top:1px solid var(--color-border);display:flex;align-items:center;justify-content:flex-end;gap:10px;background:#fafbfc}.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:#323232;color:#fff;padding:12px 20px;border-radius:var(--radius-sm);box-shadow:var(--shadow-md);font-size:13px;display:flex;align-items:center;gap:10px;animation:slideIn .2s ease forwards}.toast.toast-success{border-left:4px solid 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