* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
            -webkit-user-select: none;
            user-select: none;
            transition: background-color 0.5s ease, color 0.3s ease, background-image 0.5s ease, opacity 0.3s ease, transform 0.3s ease;
        }

        input {
            -webkit-user-select: text;
            user-select: text;
        }
        
        body {
            background-color: #121212;
            color: #e0e0e0;
            height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background-image: linear-gradient(135deg, #1e1e1e 0%, #121212 100%);
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        
        body.light-theme {
            background-color: #f5f5f5;
            color: #333;
            background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }
        
        body.custom-bg {
            background-image: var(--custom-bg, linear-gradient(135deg, #1e1e1e 0%, #121212 100%));
        }
        
        body.light-theme.custom-bg {
            background-image: var(--custom-bg, linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%));
        }
        
        .time-container {
            font-size: 2.5rem;
            margin-bottom: 20px;
            text-align: center;
            color: #ffffff;
            background-color: rgba(0, 0, 0, 0.5);
            padding: 10px 20px;
            border-radius: 10px;
        }
        
        .light-theme .time-container {
            color: #2c3e50;
            background-color: rgba(255, 255, 255, 0.7);
        }
        
        .date {
            font-size: 1.2rem;
            margin-top: 5px;
            color: #b0b0b0;
        }
        
        .light-theme .date {
            color: #7f8c8d;
        }
        
        .search-container {
            width: 100%;
            max-width: 600px;
            margin-bottom: 20px;
            position: relative;
        }
        
        .search-bar {
            width: 100%;
            padding: 15px 20px;
            font-size: 1.2rem;
            border: none;
            border-radius: 30px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            outline: none;
            transition: all 0.3s ease;
            background-color: #2d2d2d;
            color: #ffffff;
        }
        
        .light-theme .search-bar {
            background-color: #ffffff;
            color: #333;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }
        
        .search-bar:focus {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        
        .light-theme .search-bar:focus {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        
        .search-btn {
            position: absolute;
            right: 5px;
            top: 5px;
            background: #4285f4;
            color: white;
            border: none;
            border-radius: 25px;
            padding: 10px 20px;
            cursor: pointer;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        
        .search-btn:hover {
            background: #3367d6;
        }
        
        .welcome-container {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 40px;
            background-color: rgba(0, 0, 0, 0.5);
            padding: 10px 20px;
            border-radius: 10px;
        }
        
        .light-theme .welcome-container {
            background-color: rgba(255, 255, 255, 0.7);
        }
        
        .welcome-message {
            font-size: 1.2rem;
            color: #ffffff;
            text-align: center;
            min-height: 30px;
        }
        
        .light-theme .welcome-message {
            color: #2c3e50;
        }
        
        .change-welcome-btn {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background-color: #2d2d2d;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
        }
        
        .light-theme .change-welcome-btn {
            background-color: white;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        .change-welcome-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        }
        
        .light-theme .change-welcome-btn:hover {
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        }
        
        .change-welcome-btn svg {
            width: 16px;
            height: 16px;
            fill: currentColor;
        }
        
        .quick-links {
            position: absolute;
            top: 20px;
            left: 20px;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        
        .quick-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #2d2d2d;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .light-theme .quick-link {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .quick-link:hover {
            transform: scale(1.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        }
        
        .light-theme .quick-link:hover {
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        }
        
        .quick-link img {
            width: 24px;
            height: 24px;
        }
        
        .settings-toggle {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #2d2d2d;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            z-index: 100;
        }
        
        .light-theme .settings-toggle {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .settings-toggle:hover {
            transform: scale(1.1);
        }
        
        .settings-icon {
            width: 24px;
            height: 24px;
            transition: transform 0.3s ease;
        }
        
        .settings-toggle.active .settings-icon {
            transform: rotate(45deg);
        }
        
        .settings-panel {
            position: absolute;
            top: 70px;
            right: 20px;
            width: 300px;
            background-color: #2d2d2d;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            opacity: 0;
            transform: translateY(-20px);
            pointer-events: none;
            transition: all 0.3s ease;
            z-index: 99;
        }
        
        .light-theme .settings-panel {
            background-color: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .settings-panel.active {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        
        .settings-tabs {
            display: flex;
            margin-bottom: 15px;
            border-bottom: 1px solid #444;
        }
        
        .light-theme .settings-tabs {
            border-bottom-color: #ddd;
        }
        
        .settings-tab {
            padding: 8px 15px;
            cursor: pointer;
            border-bottom: 2px solid transparent;
            transition: all 0.2s ease;
        }
        
        .settings-tab.active {
            border-bottom-color: #4285f4;
            color: #4285f4;
        }
        
        .settings-content {
            display: none;
        }
        
        .settings-content.active {
            display: block;
        }
        
        .settings-group {
            margin-bottom: 15px;
        }
        
        .settings-title1 {
            font-weight: bolder;
            font-size: 1rem;
            margin-bottom: 10px;
            color: #4285f4;
        }

        .settings-title2 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: #aaa;
        }
        
        .settings-option {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .settings-option label {
            margin-left: 10px;
            cursor: pointer;
        }
        
        .settings-input {
            width: 100%;
            padding: 8px 12px;
            border-radius: 5px;
            border: 1px solid #444;
            background-color: #1e1e1e;
            color: white;
            margin-bottom: 10px;
        }
        
        .light-theme .settings-input {
            border-color: #ddd;
            background-color: white;
            color: #333;
        }
        
        .settings-button {
            background-color: #4285f4;
            color: white;
            border: none;
            border-radius: 5px;
            padding: 8px 15px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .settings-button:hover {
            background-color: #3367d6;
        }
        
        .settings-footer {
            margin-top: 20px;
            padding-top: 15px;
            border-top: 1px solid #444;
            font-size: 0.8rem;
            color: #aaa;
        }
        
        .light-theme .settings-footer {
            border-top-color: #ddd;
            color: #666;
        }
        
        .settings-footer a {
            color: #4285f4;
            text-decoration: none;
        }

        .justlinks {
            color: #4285f4;
            text-decoration: none;
        }
        
        /* 欢迎语切换动画 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-5px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .welcome-message {
            animation: fadeIn 0.5s ease-out;
        }