* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        line-height: 1.6;
        color: #333;
        background: #f8f9fa;
    }

    /* Header */
    .jav6db-header {
        background: #fff;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .jav6db-nav {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        height: 70px;
    }

    .jav6db-logo img {
        height: 40px;
        width: auto;
    }

    .jav6db-menu-toggle {
        display: none;
        flex-direction: column;
        background: none;
        border: none;
        cursor: pointer;
        padding: 5px;
    }

    .jav6db-menu-toggle span {
        width: 25px;
        height: 3px;
        background: #333;
        margin: 3px 0;
        transition: 0.3s;
    }

    .jav6db-nav-menu {
        display: flex;
        list-style: none;
        gap: 30px;
    }

    .jav6db-nav-menu a {
        text-decoration: none;
        color: #333;
        font-weight: 500;
        transition: color 0.3s;
        padding: 10px 0;
    }

    .jav6db-nav-menu a:hover,
    .jav6db-nav-menu a.active {
        color: #4285f4;
    }

    .jav6db-nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }

    /* Page Header */
    .jav6db-page-header {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 60px 0 40px;
        text-align: center;
    }

    .jav6db-page-header h1 {
        font-size: 2.5rem;
        margin-bottom: 15px;
        font-weight: 700;
    }

    .jav6db-page-header p {
        font-size: 1.2rem;
        opacity: 0.9;
        max-width: 600px;
        margin: 0 auto;
    }

    /* Translator Container */
    .jav6db-translator-container {
        max-width: 1200px;
        margin: -20px auto 0;
        padding: 0 20px;
        position: relative;
        z-index: 10;
    }

    .jav6db-translator-card {
        background: white;
        border-radius: 20px;
        box-shadow: 0 20px 60px rgba(0,0,0,0.1);
        overflow: hidden;
        margin-bottom: 60px;
    }

    .jav6db-translator-header {
        background: #f8f9fa;
        padding: 25px 30px;
        border-bottom: 1px solid #e9ecef;
    }

    .jav6db-language-selector {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }

    .jav6db-lang-select {
        position: relative;
    }

    .jav6db-lang-select select {
        appearance: none;
        background: white;
        border: 2px solid #e9ecef;
        border-radius: 12px;
        padding: 12px 40px 12px 16px;
        font-size: 16px;
        font-weight: 500;
        color: #333;
        cursor: pointer;
        transition: all 0.3s;
        min-width: 150px;
    }

    .jav6db-lang-select select:focus {
        outline: none;
        border-color: #4285f4;
        box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
    }

    .jav6db-lang-select::after {
        content: '▼';
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        color: #666;
        pointer-events: none;
    }

    .jav6db-swap-btn {
        background: #4285f4;
        border: none;
        border-radius: 50%;
        width: 50px;
        height: 50px;
        color: white;
        font-size: 18px;
        cursor: pointer;
        transition: all 0.3s;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .jav6db-swap-btn:hover {
        background: #3367d6;
        transform: rotate(180deg);
    }

    .jav6db-translator-body {
        display: grid;
        grid-template-columns: 1fr 1fr;
        min-height: 400px;
    }

    .jav6db-input-panel,
    .jav6db-output-panel {
        padding: 30px;
        display: flex;
        flex-direction: column;
    }

    .jav6db-input-panel {
        border-right: 1px solid #e9ecef;
    }

    .jav6db-panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 20px;
    }

    .jav6db-panel-title {
        font-size: 16px;
        font-weight: 600;
        color: #666;
    }

    .jav6db-char-count {
        font-size: 14px;
        color: #999;
    }

    .jav6db-text-input {
        flex: 1;
        border: none;
        outline: none;
        font-size: 18px;
        line-height: 1.6;
        resize: none;
        font-family: inherit;
        color: #333;
    }

    .jav6db-text-input::placeholder {
        color: #999;
    }

    .jav6db-text-output {
        flex: 1;
        font-size: 18px;
        line-height: 1.6;
        color: #333;
        background: #f8f9fa;
        padding: 20px;
        border-radius: 12px;
        min-height: 200px;
        white-space: pre-wrap;
    }

    .jav6db-input-tools {
        display: flex;
        align-items: center;
        gap: 15px;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid #e9ecef;
    }

    .jav6db-tool-btn {
        background: none;
        border: 1px solid #e9ecef;
        border-radius: 8px;
        padding: 8px 12px;
        cursor: pointer;
        transition: all 0.3s;
        font-size: 14px;
        color: #666;
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .jav6db-tool-btn:hover {
        background: #f8f9fa;
        border-color: #4285f4;
        color: #4285f4;
    }

    .jav6db-output-tools {
        display: flex;
        align-items: center;
        gap: 15px;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid #e9ecef;
    }

    .jav6db-translate-btn {
        background: #4285f4;
        color: white;
        border: none;
        border-radius: 12px;
        padding: 15px 30px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s;
        margin-left: auto;
    }

    .jav6db-translate-btn:hover {
        background: #3367d6;
        transform: translateY(-2px);
    }

    /* Quick Translation */
    .jav6db-quick-section {
        max-width: 1200px;
        margin: 0 auto;
        padding: 60px 20px;
    }

    .jav6db-section-title {
        text-align: center;
        font-size: 2.2rem;
        font-weight: 700;
        color: #333;
        margin-bottom: 15px;
    }

    .jav6db-section-subtitle {
        text-align: center;
        font-size: 1.1rem;
        color: #666;
        margin-bottom: 50px;
    }

    .jav6db-quick-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-bottom: 50px;
    }

    .jav6db-quick-card {
        background: white;
        border-radius: 16px;
        padding: 30px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transition: all 0.3s;
        text-align: center;
    }

    .jav6db-quick-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }

    .jav6db-quick-icon {
        font-size: 3rem;
        margin-bottom: 20px;
        display: block;
    }

    .jav6db-quick-title {
        font-size: 1.3rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 15px;
    }

    .jav6db-quick-desc {
        color: #666;
        line-height: 1.6;
        margin-bottom: 20px;
    }

    .jav6db-quick-btn {
        background: #4285f4;
        color: white;
        border: none;
        border-radius: 8px;
        padding: 12px 24px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s;
        text-decoration: none;
        display: inline-block;
    }

    .jav6db-quick-btn:hover {
        background: #3367d6;
        transform: translateY(-2px);
    }

    /* Features Section */
    .jav6db-features-section {
        background: white;
        padding: 80px 0;
    }

    .jav6db-features-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .jav6db-features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 40px;
        margin-top: 50px;
    }

    .jav6db-feature-item {
        display: flex;
        gap: 20px;
        padding: 30px;
        border-radius: 16px;
        background: #f8f9fa;
        transition: all 0.3s;
    }

    .jav6db-feature-item:hover {
        background: white;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transform: translateY(-3px);
    }

    .jav6db-feature-icon {
        font-size: 2.5rem;
        flex-shrink: 0;
    }

    .jav6db-feature-content h3 {
        font-size: 1.3rem;
        font-weight: 600;
        color: #333;
        margin-bottom: 10px;
    }

    .jav6db-feature-content p {
        color: #666;
        line-height: 1.6;
    }

    /* Stats Section */
    .jav6db-stats-section {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 80px 0;
    }

    .jav6db-stats-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        text-align: center;
    }

    .jav6db-stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-top: 50px;
    }

    .jav6db-stat-item {
        text-align: center;
    }

    .jav6db-stat-number {
        font-size: 3rem;
        font-weight: 700;
        margin-bottom: 10px;
        display: block;
    }

    .jav6db-stat-label {
        font-size: 1.1rem;
        opacity: 0.9;
    }

    /* Footer */
    .jav6db-footer {
        background: #2c3e50;
        color: white;
        padding: 60px 0 30px;
    }

    .jav6db-footer-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .jav6db-footer-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 40px;
        margin-bottom: 40px;
    }

    .jav6db-footer-section h3 {
        font-size: 1.2rem;
        font-weight: 600;
        margin-bottom: 20px;
        color: #ecf0f1;
    }

    .jav6db-footer-section ul {
        list-style: none;
    }

    .jav6db-footer-section ul li {
        margin-bottom: 10px;
    }

    .jav6db-footer-section ul li a {
        color: #bdc3c7;
        text-decoration: none;
        transition: color 0.3s;
    }

    .jav6db-footer-section ul li a:hover {
        color: #3498db;
    }

    .jav6db-footer-bottom {
        border-top: 1px solid #34495e;
        padding-top: 30px;
        text-align: center;
        color: #95a5a6;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .jav6db-menu-toggle {
            display: flex;
        }

        .jav6db-nav-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: white;
            flex-direction: column;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .jav6db-nav-menu.active {
            display: flex;
        }

        .jav6db-nav-overlay.active {
            display: block;
        }

        .jav6db-page-header h1 {
            font-size: 2rem;
        }

        .jav6db-page-header p {
            font-size: 1rem;
        }

        .jav6db-translator-body {
            grid-template-columns: 1fr;
        }

        .jav6db-input-panel {
            border-right: none;
            border-bottom: 1px solid #e9ecef;
        }

        .jav6db-language-selector {
            flex-direction: column;
            gap: 15px;
        }

        .jav6db-lang-select select {
            min-width: 200px;
        }

        .jav6db-section-title {
            font-size: 1.8rem;
        }

        .jav6db-quick-grid {
            grid-template-columns: 1fr;
        }

        .jav6db-features-grid {
            grid-template-columns: 1fr;
        }

        .jav6db-stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .jav6db-stat-number {
            font-size: 2.5rem;
        }
    }

    @media (max-width: 480px) {
        .jav6db-translator-container {
            padding: 0 10px;
        }

        .jav6db-input-panel,
        .jav6db-output-panel {
            padding: 20px;
        }

        .jav6db-quick-section {
            padding: 40px 10px;
        }

        .jav6db-stats-grid {
            grid-template-columns: 1fr;
        }
    }