* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            height: 100vh;
            display: flex;
            flex-direction: column;
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
            color: white;
            overflow: hidden;
            position: relative;
        }

        #wallpaper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            z-index: -2;
            transition: background-image 0.5s ease;
        }

        #blur-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
            z-index: -1;
            transition: backdrop-filter 0.3s ease;
        }

        header {
            display: flex;
            justify-content: flex-end;
            padding: 20px;
            z-index: 10;
        }

        #settings-btn {
            background: rgba(255, 255, 255, 0.15);
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(5px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        #settings-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: rotate(30deg);
        }

        main {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
            z-index: 5;
        }

        .search-container {
            width: 100%;
            max-width: 700px;
            margin: 0 auto 40px;
            text-align: center;
        }

        .logo {
            font-size: 3.5rem;
            margin-bottom: 25px;
            text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
            font-weight: 300;
            letter-spacing: 1px;
            animation: fadeIn 1s ease;
            color: #fff;
        }

        .search-box {
            display: flex;
            height: 60px;
            border-radius: 35px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
            transition: all 0.3s ease;
            animation: slideUp 0.8s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .search-box:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        }

        .search-engine-selector {
            display: flex;
            align-items: center;
            padding: 0 18px;
            background: rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .search-engine-selector:hover {
            background: rgba(0, 0, 0, 0.3);
        }

        .search-engine-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: transform 0.3s ease;
            background: #0078D7;
        }

        .search-input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0 22px;
            font-size: 1.1rem;
            color: white;
            outline: none;
        }

        .search-input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }

        .search-btn {
            width: 60px;
            background: rgba(0, 120, 215, 0.7);
            border: none;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .search-btn:hover {
            background: rgba(0, 120, 215, 0.9);
        }

        .quick-links {
            width: 100%;
            max-width: 900px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            gap: 20px;
            padding: 0 20px;
            animation: fadeIn 1.2s ease;
        }

        .link-card {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 15px;
            padding: 20px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 120px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .link-card:hover {
            background: rgba(255, 255, 255, 0.25);
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
            border-color: rgba(255, 255, 255, 0.3);
        }

        .link-card .letter-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 12px;
            background: rgba(0, 120, 215, 0.7);
            color: white;
            transition: transform 0.3s ease;
        }

        .link-card:hover .letter-icon {
            transform: scale(1.1);
        }

        .link-card .link-title {
            font-weight: 500;
            font-size: 0.95rem;
            color: white;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            width: 100%;
        }

        .add-card {
            background: rgba(255, 255, 255, 0.1);
            border: 2px dashed rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            transition: all 0.3s ease;
        }

        .add-card:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.7);
            transform: scale(1.05);
        }

        /* 侧边栏样式 */
        #settings-panel {
            position: fixed;
            top: 0;
            right: -600px;
            width: 600px;
            height: 100%;
            background: rgba(25, 25, 40, 0.97);
            backdrop-filter: blur(15px);
            box-shadow: -5px 0 30px rgba(0, 0, 0, 0.4);
            padding: 25px;
            z-index: 1000;
            transition: right 0.4s ease;
            overflow-y: auto;
            color: #e0e0e0;
        }

        #settings-panel.active {
            right: 0;
        }

        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .panel-header h2 {
            font-size: 1.8rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
        }

        .close-btn {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .close-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(90deg);
        }

        .settings-section {
            margin-bottom: 30px;
            border-radius: 15px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px;
            background: rgba(0, 0, 0, 0.2);
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .section-header:hover {
            background: rgba(0, 0, 0, 0.3);
        }

        .section-header h3 {
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            font-weight: 500;
            gap: 10px;
            color: #fff;
        }

        .toggle-icon {
            transition: transform 0.3s ease;
            color: #0078D7;
        }

        .section-content {
            padding: 20px;
            display: none;
        }

        .section-content.expanded {
            display: block;
        }

        .engine-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 20px;
        }

        .engine-item {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 15px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            position: relative;
            padding-right: 90px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 100%;
            overflow: hidden;
        }

        .engine-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }

        .engine-item.active {
            background: rgba(0, 120, 215, 0.15);
            border: 1px solid #0078D7;
            box-shadow: 0 0 15px rgba(0, 120, 215, 0.3);
        }

        .engine-item .engine-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(0, 120, 215, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 18px;
            flex-shrink: 0;
        }

        .engine-details {
            flex: 1;
            min-width: 0;
            overflow: hidden;
        }

        .engine-details .engine-title {
            font-weight: 500;
            font-size: 1rem;
            margin-bottom: 5px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: #fff;
        }

        .engine-details .engine-url {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 100%;
        }

        .engine-actions {
            display: flex;
            gap: 10px;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            flex-shrink: 0;
        }

        .engine-actions button {
            background: rgba(255, 255, 255, 0.12);
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .engine-actions button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.1);
        }

        .add-engine-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .add-engine-form h4 {
            font-size: 1.1rem;
            color: #fff;
            font-weight: 500;
            margin-bottom: 10px;
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .form-group input {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            padding: 12px 15px;
            color: white;
            outline: none;
            font-size: 0.95rem;
            transition: border 0.3s ease;
        }

        .form-group input:focus {
            border-color: #0078D7;
        }

        .form-actions {
            display: flex;
            justify-content: flex-end;
            gap: 12px;
            margin-top: 15px;
        }

        .form-actions button {
            padding: 10px 24px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .form-actions .cancel-btn {
            background: rgba(255, 255, 255, 0.1);
            color: white;
        }

        .form-actions .cancel-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .form-actions .save-btn {
            background: #0078D7;
            color: white;
            box-shadow: 0 4px 15px rgba(0, 120, 215, 0.3);
        }

        .form-actions .save-btn:hover {
            background: #0066b3;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 120, 215, 0.4);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
            margin-bottom: 20px;
            max-height: 400px;
            overflow-y: auto;
            padding-right: 10px;
        }

        .cards-grid::-webkit-scrollbar {
            width: 6px;
        }

        .cards-grid::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 3px;
        }

        .cards-grid::-webkit-scrollbar-thumb {
            background: rgba(0, 120, 215, 0.5);
            border-radius: 3px;
        }

        .card-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 15px;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
            position: relative;
            padding-right: 90px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 100%;
            overflow: hidden;
        }

        .card-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        .card-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(0, 120, 215, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 1.2rem;
            font-weight: bold;
            color: white;
            flex-shrink: 0;
        }

        .card-details {
            flex: 1;
            min-width: 0;
            overflow: hidden;
        }

        .card-details .card-title {
            font-weight: 500;
            font-size: 1rem;
            margin-bottom: 5px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: #fff;
        }

        .card-details .card-url {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 100%;
        }

        .card-actions {
            display: flex;
            gap: 10px;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            flex-shrink: 0;
        }

        .card-actions button {
            background: rgba(255, 255, 255, 0.12);
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .card-actions button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: scale(1.1);
        }

        .add-card-btn-container {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 20px;
        }

        .add-card-btn {
            background: #0078D7;
            color: white;
            border: none;
            border-radius: 25px;
            padding: 10px 24px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            box-shadow: 0 4px 15px rgba(0, 120, 215, 0.3);
        }

        .add-card-btn:hover {
            background: #0066b3;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0, 120, 215, 0.4);
        }

        .add-card-form {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 20px;
            margin-top: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .blur-control {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 20px;
        }

        .blur-control input {
            flex: 1;
            height: 6px;
            -webkit-appearance: none;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            outline: none;
        }

        .blur-control input::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #0078D7;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(0, 120, 215, 0.5);
        }

        .blur-value {
            min-width: 40px;
            text-align: center;
            font-weight: 500;
            font-size: 1rem;
            color: #fff;
        }

        .upload-wallpaper {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .upload-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px dashed rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .upload-btn:hover {
            background: rgba(255, 255, 255, 0.15);
            color: white;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .wallpaper-preview {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .wallpaper-item {
            width: calc(50% - 6px);
            height: 90px;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }

        .wallpaper-item:hover {
            transform: scale(1.03);
        }

        .wallpaper-item.active {
            border-color: #0078D7;
            box-shadow: 0 0 15px rgba(0, 120, 215, 0.5);
            transform: scale(1.05);
        }

        .notification {
            position: fixed;
            top: 25px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(30, 30, 50, 0.95);
            color: white;
            padding: 15px 30px;
            border-radius: 35px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s, transform 0.3s;
            display: flex;
            align-items: center;
            gap: 15px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .notification.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideUp {
            from { 
                opacity: 0;
                transform: translateY(20px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 768px) {
            #settings-panel {
                width: 480px;
                right: -480px;
            }
            
            .quick-links {
                grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
                gap: 16px;
            }
        }

        @media (max-width: 480px) {
            .logo {
                font-size: 2.5rem;
            }
            
            .search-box {
                height: 55px;
            }
            
            .quick-links {
                grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
                gap: 14px;
            }
            
            .link-card {
                padding: 16px;
                min-height: 100px;
            }
            
            #settings-panel {
                width: 380px;
                right: -380px;
                padding: 20px;
            }
        }
        
        /* 高亮提示 */
        .highlighted {
            animation: highlight 1.5s ease;
            box-shadow: 0 0 0 3px #0078D7;
        }
        
        @keyframes highlight {
            0% { box-shadow: 0 0 0 0 rgba(0, 120, 215, 0.8); }
            70% { box-shadow: 0 0 0 15px rgba(0, 120, 215, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 120, 215, 0); }
        }
        
        /* 微软风格装饰 */
        .ms-logo {
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 1.8rem;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            gap: 8px;
            z-index: 5;
        }