* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        :root {
            --primary: #44DFC7;
            --secondary: #2A5F4C;
            --text: #2c3e50;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --hover-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
            --border-color: #eee;
            --bg-light: #f6f6f6;
        }

        body {
            background: linear-gradient(135deg, #f1f2f3 0%, #ffffff 100%);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(255, 255, 255, 0.95);
            padding: 0.8rem 8%;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow);
            height: 64px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            text-decoration: none;
            color: var(--text);
            height: 100%;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
        }

        .logo-icon img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .nav-links {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 3rem;
            height: 100%;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            height: 100%;
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
            transition: all 0.3s;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--primary);
            transition: width 0.3s;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .login-btn {
            padding: 0.5rem 1.2rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.2s;
            margin-left: 1.5rem;
            font-weight: 500;
        }

        .login-btn:hover {
            background: #3bc7b1;
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(68, 223, 199, 0.2);
        }

        .container {
            max-width: 1600px;
            margin: 85px auto 0;
            padding: 2rem 4rem;
            display: grid;
            grid-template-columns: 1.8fr 0.9fr;
            gap: 2.5rem;
        }

        .input-section {
            background: white;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            min-height: 520px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .input-section:hover {
            box-shadow: var(--hover-shadow);
        }

        .input-title {
            font-size: 1.1rem;
            padding: 1.2rem 1.5rem;
            color: var(--text);
            font-weight: 500;
            border-bottom: 1px solid #f5f5f5;
        }

        .toolbar {
            display: flex;
            overflow-x: auto;
            padding: 0.8rem 1.2rem;
            gap: 0.6rem;
            background: #fafafa;
            border-bottom: 1px solid #f5f5f5;
            -webkit-overflow-scrolling: touch;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .toolbar::-webkit-scrollbar {
            display: none;
        }

        .tool-btn {
            padding: 0.6rem 1.2rem;
            border: none;
            border-radius: 10px;
            background: white;
            color: #666;
            font-size: 0.9rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            transition: all 0.3s;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            white-space: nowrap;
            font-weight: 500;
        }

        .tool-btn i {
            font-size: 1rem;
            color: var(--primary);
            transition: all 0.3s;
        }

        .tool-btn:hover, .tool-btn.active {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .tool-btn:hover i, .tool-btn.active i {
            color: white;
        }

        .input-content {
            flex: 1;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .upload-area {
            width: 100%;
            height: 280px;
            border: 2px dashed #ddd;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1.2rem;
            background: var(--bg-light);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .upload-area::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(68, 223, 199, 0.1) 0%, rgba(42, 95, 76, 0.05) 100%);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .upload-area:hover::before {
            opacity: 1;
        }

        .upload-area:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.15);
        }

        .upload-icon {
            font-size: 3.5rem;
            color: var(--primary);
        }

        .upload-area:hover .upload-icon {
        }

        .upload-text {
            font-size: 1.1rem;
            color: var(--text);
        }

        .upload-hint {
            font-size: 0.9rem;
            color: #999;
        }

        .file-preview {
            width: 100%;
            background: #fafafa;
            border-radius: 12px;
            padding: 1rem;
            cursor: pointer;
            position: relative;
        }

        .file-preview:hover::after {
            content: '点击更换图片';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            border-radius: 12px;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .file-preview:hover::after {
            opacity: 1;
        }

        .preview-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        #file-name {
            font-size: 0.9rem;
            color: var(--text);
        }

        .remove-file {
            background: none;
            border: none;
            color: #999;
            cursor: pointer;
            padding: 0.5rem;
            transition: color 0.3s;
        }

        .remove-file:hover {
            color: #ff4757;
        }

        #image-preview {
            width: 100%;
            max-height: 200px;
            object-fit: contain;
            border-radius: 8px;
        }

        .generate-btn {
            width: 100%;
            padding: 1rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .generate-btn:hover:not(:disabled) {
            background: #3bc7b1;
            box-shadow: 0 6px 16px rgba(68, 223, 199, 0.3);
        }

        .generate-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
            opacity: 0.7;
            box-shadow: none;
        }

        .preview-section {
            background: white;
            border-radius: 20px;
            padding: 2.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            height: 520px;
            box-shadow: var(--shadow);
        }

        .preview-section:hover {
            box-shadow: var(--hover-shadow);
        }

        .qr-container {
            width: 360px;
            height: 360px;
            background: var(--bg-light);
            border: 2px dashed #eee;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            overflow: hidden;
            transition: all 0.3s;
        }

        .qr-container:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.15);
        }

        .qr-container img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            image-rendering: -webkit-optimize-contrast;
            image-rendering: crisp-edges;
            -ms-interpolation-mode: nearest-neighbor;
        }

        .qr-container:hover img {
        }

        .button-group {
            display: flex;
            gap: 1.2rem;
            width: 100%;
            max-width: 360px;
            align-items: center;
        }

        .download-btn {
            flex: 1;
            padding: 1rem;
            background: transparent;
            border: 1px solid #eee;
            color: #999;
            font-size: 1rem;
            border-radius: 12px;
            cursor: not-allowed;
            transition: all 0.3s;
            opacity: 0.7;
            font-weight: 500;
        }

        .download-btn.active {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            cursor: pointer;
            opacity: 1;
        }

        .download-btn.active:hover {
            background: rgba(68, 223, 199, 0.05);
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.1);
        }

        .settings-btn {
            width: 48px;
            height: 48px;
            padding: 0;
            border: 1px solid #eee;
            background: white;
            border-radius: 12px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .settings-btn i {
            font-size: 1.3rem;
            color: #666;
            transition: all 0.3s;
        }

        .settings-btn:hover {
            border-color: var(--primary);
            background: rgba(68, 223, 199, 0.05);
        }

        .settings-btn:hover i {
            color: var(--primary);
        }

        .settings-panel {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 420px;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-radius: 24px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            z-index: 2000;
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .settings-panel::before {
            content: '设置';
            display: block;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2rem;
            text-align: center;
        }

        .settings-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(4px);
            z-index: 1999;
            animation: fadeIn 0.3s ease;
        }

        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: translate(-50%, -45%) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translate(-50%, -50%) scale(1);
            }
        }

        .settings-item {
            margin-bottom: 1.5rem;
        }

        .settings-item label {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: var(--text);
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }

        .settings-item label:hover {
            color: var(--primary);
        }

        .settings-item input[type="checkbox"] {
            width: 20px;
            height: 20px;
            accent-color: var(--primary);
        }

        .apply-settings {
            width: 100%;
            padding: 1.2rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .apply-settings:hover {
            background: #3bc7b1;
            box-shadow: 0 6px 16px rgba(68, 223, 199, 0.3);
        }

        @media (max-width: 768px) {
            .preview-section {
                padding: 2rem;
                height: auto;
            }

            .qr-container {
                width: 300px;
                height: 300px;
                border-radius: 16px;
            }

            .button-group {
                max-width: 300px;
            }

            .settings-panel {
                max-width: 300px;
                padding: 1.5rem;
            }
        }

        @media (max-width: 360px) {
            .preview-section {
                padding: 1.5rem;
            }

            .qr-container {
                width: 280px;
                height: 280px;
                border-radius: 12px;
            }

            .button-group {
                max-width: 280px;
            }

            .settings-panel {
                max-width: 280px;
                padding: 1.2rem;
            }

            .settings-btn {
                width: 42px;
                height: 42px;
            }

            .settings-btn i {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 1600px) {
            .container {
                max-width: 1400px;
                padding: 2rem 3rem;
            }
        }

        @media (max-width: 1200px) {
            .container {
                padding: 1.5rem;
            }

            .qr-container {
                width: 240px;
                height: 240px;
            }
        }

        @media (max-width: 768px) {
            html {
                font-size: 16px;
            }

            body {
                min-width: 320px;
                overflow-x: hidden;
            }

            .logo-text {
                display: block;
                font-size: 1rem;
            }
            
            nav {
                padding: 0.7rem 1rem;
                background: #fff;
                border-bottom: 1px solid #eee;
                height: 56px;
                justify-content: space-between;
            }

            .nav-links {
                gap: 0;
                margin-left: 0;
                order: 2;
            }

            .menu-btn {
                order: 3;
                margin-right: 0;
                margin-left: 1rem;
            }

            .logo {
                order: 1;
                margin-right: 0;
                flex: 1;
            }

            .login-btn {
                padding: 0.4rem 1rem;
                font-size: 0.9rem;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
            }

            body {
                background: #fff;
            }

            .container {
                grid-template-columns: 1fr;
                padding: 0;
                gap: 1rem;
                margin: 56px 0 0 0;
                width: 100%;
                max-width: 100%;
                min-width: 320px;
            }

            .input-section, .preview-section {
                border-radius: 0;
                box-shadow: none;
                height: auto;
                min-height: 0;
                padding-bottom: 1rem;
                min-width: 320px;
            }

            .input-title {
                padding: 0.8rem 1rem;
                font-size: 1rem;
                background: #fafafa;
            }

            .toolbar {
                padding: 0.8rem 1rem;
                gap: 0.5rem;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
                background: #fff;
                margin: 0;
                padding-left: 1rem;
                padding-right: 1rem;
                width: 100%;
                min-width: 320px;
                justify-content: flex-start;
            }

            .tool-btn {
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
                white-space: nowrap;
                flex-shrink: 0;
                min-width: auto;
            }

            .input-content {
                padding: 1rem;
                width: 100%;
                min-width: 320px;
            }

            .upload-area {
                width: 100%;
                min-width: 280px;
                height: 200px;
                border-radius: 12px;
                padding: 1rem;
            }

            .qr-container {
                width: 280px;
                height: 280px;
                border-radius: 12px;
                margin: 0 auto;
            }

            .qr-container img {
                width: 100%;
                height: 100%;
                object-fit: contain;
            }

            .button-group {
                width: 100%;
                max-width: 280px;
                margin: 0 auto;
                padding: 0 1rem;
            }

            .settings-panel {
                width: 100%;
                max-width: 280px;
                margin: 1rem auto 0;
                padding: 1.2rem;
            }

            .features-section, .guide-section, .pricing-section {
                padding: 2rem 1rem;
                width: 100%;
                min-width: 320px;
                overflow: hidden;
            }

            .section-title {
                font-size: 1.4rem;
                margin-bottom: 2rem;
            }

            .features-grid, .steps-container, .pricing-grid {
                gap: 1.2rem;
            }

            .feature-card, .step-card, .price-card {
                padding: 1.5rem;
                border-radius: 12px;
                margin: 0 0.5rem;
            }

            .mobile-menu {
                top: 56px;
                padding: 0.5rem;
                border-top: 1px solid #eee;
            }

            .mobile-menu a {
                margin: 0.3rem 0;
                padding: 0.8rem 1.2rem;
            }
        }

        @media (max-width: 360px) {
            html {
                font-size: 14px;
            }

            .container {
                margin-top: 56px;
                min-width: 320px;
            }

            .toolbar {
                padding: 0.8rem;
            }

            .tool-btn {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }

            .qr-container {
                width: 260px;
                height: 260px;
            }

            .button-group {
                max-width: 260px;
            }

            .settings-panel {
                max-width: 260px;
            }

            .upload-area {
                height: 180px;
                min-width: 260px;
            }
        }

        .footer {
            padding: 2rem 8%;
            text-align: center;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(68, 223, 199, 0.1);
            margin-top: 2rem;
        }

        .footer p {
            color: #6c757d;
            font-size: 0.95rem;
            margin: 0.6rem 0;
            transition: all 0.3s;
        }

        .footer a {
            color: #6c757d;
            text-decoration: none;
            transition: all 0.3s;
            position: relative;
        }

        .footer a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 1px;
            bottom: -2px;
            left: 0;
            background-color: var(--primary);
            transition: width 0.3s;
        }

        .footer a:hover {
            color: var(--primary);
        }

        .footer a:hover::after {
            width: 100%;
        }

        .button-group {
            display: flex;
            gap: 1rem;
            width: 100%;
            align-items: center;
        }

        .settings-btn {
            width: 42px;
            height: 42px;
            padding: 0;
            border: 1px solid #eee;
            background: white;
            border-radius: 10px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .settings-btn i {
            font-size: 1.2rem;
            color: #666;
            transition: all 0.2s;
        }

        .settings-btn:hover {
            border-color: var(--primary);
            background: rgba(68, 223, 199, 0.05);
        }

        .settings-btn:hover i {
            color: var(--primary);
        }

        .settings-panel {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 420px;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            border-radius: 24px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            z-index: 2000;
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

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

        .settings-item {
            margin-bottom: 1.2rem;
        }

        .settings-item label {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: var(--text);
            font-size: 1rem;
            margin-bottom: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }

        .settings-item label:hover {
            color: var(--primary);
        }

        .settings-item input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--primary);
        }

        .settings-item select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #eee;
            border-radius: 10px;
            font-size: 0.95rem;
            color: var(--text);
            background: white;
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23666' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: calc(100% - 1rem) center;
            padding-right: 2.5rem;
            max-height: 300px;
        }

        .settings-item select option {
            padding: 0.5rem;
            font-size: 0.95rem;
        }

        .settings-item select::-webkit-scrollbar {
            width: 8px;
        }

        .settings-item select::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 4px;
        }

        .settings-item select::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 4px;
        }

        .settings-item select::-webkit-scrollbar-thumb:hover {
            background: #3bc7b1;
        }

        .settings-item select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(68, 223, 199, 0.1);
        }

        .link-display {
            width: 100%;
            max-width: 360px;
            background: white;
            padding: 1rem;
            border-radius: 12px;
            display: flex;
            align-items: center;
            gap: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            border: 1px solid #f0f0f0;
            transition: all 0.3s;
            margin-top: 1rem;
        }

        .link-display:hover {
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(68, 223, 199, 0.15);
        }

        .link-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(68, 223, 199, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        
        .batch-log p {
            margin: 4px 0;
            line-height: 1.4;
        }
        
        .batch-log .success {
            color: #28a745;
        }
        
        .batch-log .error {
            color: #dc3545;
        }

        .link-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .link-label {
            font-size: 0.8rem;
            color: #999;
            font-weight: 500;
        }

        .link-input-wrapper {
            position: relative;
            width: 100%;
        }

        .short-link-input {
            width: 100%;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            color: var(--text);
            font-weight: 600;
            outline: none;
            text-overflow: ellipsis;
            white-space: nowrap;
            overflow: hidden;
            font-family: monospace;
        }

        .copy-link-btn {
            padding: 0.6rem 1rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }

        .copy-link-btn:hover {
            background: #3bc7b1;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .copy-link-btn:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .link-display {
                max-width: 300px;
                padding: 0.8rem;
            }
            
            .link-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            
            .copy-link-btn {
                padding: 0.5rem 0.8rem;
                font-size: 0.85rem;
            }
        }

        .apply-settings {
            width: 100%;
            padding: 1rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .apply-settings:hover {
            background: #3bc7b1;
            box-shadow: 0 6px 16px rgba(68, 223, 199, 0.3);
        }

        .download-btn {
            flex: 1;
        }

        .text-area {
            width: 100%;
            height: 280px;
            padding: 1.2rem;
            border: 1px solid #eee;
            border-radius: 12px;
            resize: none;
            font-size: 0.95rem;
            background: #fafafa;
            transition: all 0.2s;
            margin-bottom: 1rem;
        }
        .text-ai {
            width: 100%;
            height: 280px;
            padding: 1.2rem;
            border: 1px solid #eee;
            border-radius: 12px;
            resize: none;
            font-size: 0.95rem;
            background: #fafafa;
            transition: all 0.2s;
            margin-bottom: 1rem;
        }

        .title-input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #eee;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fafafa;
            transition: all 0.2s;
            margin-bottom: 1rem;
        }

        .title-input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            gap: 0.5rem;
        }

        .title-input {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #eee;
            border-radius: 12px;
            font-size: 0.95rem;
            background: #fafafa;
            transition: all 0.2s;
            margin-bottom: 0;
            height: 42px;
            line-height: 1.2;
        }

        .title-help {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            color: #999;
            cursor: pointer;
            font-size: 1.1rem;
            transition: all 0.3s;
            flex-shrink: 0;
        }

        .title-help:hover {
            color: var(--primary);
        }

        .title-tooltip {
            display: none;
            position: absolute;
            top: calc(100% + 10px);
            left: 0;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 1rem;
            width: 300px;
            z-index: 1000;
            animation: fadeIn 0.3s ease;
        }

        .title-tooltip.show {
            display: block;
        }

        .title-tooltip img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 0.8rem;
        }

        .title-tooltip p {
            color: #666;
            font-size: 0.9rem;
            line-height: 1.5;
            margin: 0;
        }

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

        .title-input:focus, .text-area:focus, .text-ai:focus {
            outline: none;
            border-color: var(--primary);
            background: white;
            box-shadow: 0 0 0 3px rgba(68, 223, 199, 0.1);
        }
    

        .title-input::placeholder {
            color: #999;
        }

        #video-preview, #audio-preview {
            width: 100%;
            max-height: 200px;
            border-radius: 8px;
            background: #fafafa;
            margin-top: 0.5rem;
        }

        .features-section, .guide-section {
            padding: 6rem 8%;
            background: white;
            margin-top: 2rem;
        }

        .section-title {
            text-align: center;
            color: var(--text);
            font-size: 2.5rem;
            margin-bottom: 4rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .feature-card {
            background: white;
            padding: 3rem 2rem;
            border-radius: 20px;
            text-align: center;
            transition: all 0.3s;
            box-shadow: var(--shadow);
        }

        .feature-card:hover {
            box-shadow: var(--hover-shadow);
        }

        .feature-icon {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 2rem;
        }

        .feature-card h3 {
            color: var(--text);
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            font-weight: 600;
        }

        .feature-card p {
            color: #666;
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 3rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .step-card {
            background: white;
            padding: 3rem 2rem;
            border-radius: 20px;
            position: relative;
            box-shadow: var(--shadow);
            transition: all 0.3s;
        }

        .step-card:hover {
            box-shadow: var(--hover-shadow);
        }

        .step-number {
            position: absolute;
            top: -25px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.3);
        }

        .step-card h3 {
            text-align: center;
            color: var(--text);
            font-size: 1.4rem;
            margin: 2rem 0 1.2rem;
            font-weight: 600;
        }

        .step-card p {
            color: #666;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: center;
        }

        @media (max-width: 768px) {
            .features-section, .guide-section {
                padding: 4rem 1rem;
            }

            .section-title {
                font-size: 2rem;
                margin-bottom: 3rem;
            }

            .features-grid, .steps-container {
                gap: 2rem;
            }

            .feature-card, .step-card {
                padding: 2rem 1.5rem;
            }

            .feature-icon {
                font-size: 3rem;
            }

            .feature-card h3, .step-card h3 {
                font-size: 1.3rem;
            }

            .feature-card p, .step-card p {
                font-size: 1rem;
            }
        }

        @media (max-width: 360px) {
            .section-title {
                font-size: 1.8rem;
            }

            .feature-card, .step-card {
                padding: 1.8rem 1.2rem;
            }

            .feature-icon {
                font-size: 2.5rem;
            }
        }

        /* 价格部分样式 */
        .pricing-section {
            padding: 4rem 8%;
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .price-card {
            background: white;
            padding: 2.5rem 2rem;
            border-radius: 20px;
            text-align: center;
            transition: all 0.3s;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .price-card:hover {
            box-shadow: var(--hover-shadow);
        }

        .price-card.popular {
            border: 2px solid var(--primary);
        }

        .popular-badge {
            position: absolute;
            top: 1rem;
            right: -2rem;
            background: var(--primary);
            color: white;
            padding: 0.3rem 3rem;
            transform: rotate(45deg);
            font-size: 0.8rem;
            font-weight: 500;
            box-shadow: 0 2px 8px rgba(68, 223, 199, 0.2);
        }

        .price-title {
            color: var(--text);
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }

        .price-description {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .price-amount {
            font-size: 2.5rem;
            color: var(--text);
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .price-amount small {
            font-size: 1rem;
            font-weight: 400;
            color: #666;
        }

        .price-features {
            list-style: none;
            margin: 2rem 0;
            padding: 0;
        }

        .price-features li {
            color: #666;
            padding: 0.8rem 0;
            border-bottom: 1px solid #f5f5f5;
            font-size: 0.95rem;
        }

        .price-features li:last-child {
            border-bottom: none;
        }

        .price-features i {
            color: var(--primary);
            margin-right: 0.5rem;
        }

        .price-btn {
            display: inline-block;
            padding: 1rem 2rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s;
            width: 100%;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .price-btn:hover {
            background: #3bc7b1;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(68, 223, 199, 0.3);
        }

        .price-btn.outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .price-btn.outline:hover {
            background: rgba(68, 223, 199, 0.1);
        }

        @media (max-width: 768px) {
            .pricing-section {
                padding: 3rem 1rem;
            }

            .price-card {
                padding: 2rem 1.5rem;
            }

            .price-amount {
                font-size: 2rem;
            }
        }

        /* 移动端导航菜单样式 */
        .menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0.5rem;
            margin-right: 1rem;
        }

        .menu-btn:hover {
            color: var(--primary);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            background: white;
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 999;
            animation: slideDown 0.3s ease;
        }

        .mobile-menu a {
            display: block;
            padding: 0.8rem 1rem;
            color: var(--text);
            text-decoration: none;
            font-size: 1rem;
            border-radius: 8px;
            transition: all 0.3s;
        }

        .mobile-menu a:hover {
            background: rgba(68, 223, 199, 0.1);
            color: var(--primary);
        }

        .mobile-menu.show {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @media (max-width: 768px) {
            .menu-btn {
                display: block;
            }

            .nav-links a:not(.login-btn) {
                display: none;
            }

            .nav-links {
                gap: 0;
            }

            .login-btn {
                margin-left: 0;
            }
        }

        .contact-tooltip {
            display: none;
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            padding: 1rem;
            width: 200px;
            z-index: 1000;
            animation: fadeIn 0.3s ease;
            text-align: center;
        }

        .contact-tooltip.show {
            display: block;
        }

        .contact-tooltip img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 0.8rem;
        }

        .contact-tooltip p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.5;
            margin: 0;
        }

        .nav-links a {
            position: relative;
        }

        .case-section {
            padding: 4rem 8%;
            background: white;
            margin-top: 2rem;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .case-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s;
            cursor: pointer;
            position: relative;
        }

        .case-card:hover {
            box-shadow: var(--hover-shadow);
        }

        .case-card:hover::before {
            content: '点击查看二维码';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            z-index: 5;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .case-card:hover::before {
            opacity: 1;
        }

        .case-image {
            width: 100%;
            height: 300px;
            overflow: hidden;
            position: relative;
            background: #fafafa;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            transition: transform 0.3s;
            padding: 1rem;
        }

        .case-card:hover .case-image img {
            transform: scale(1.05);
        }

        .case-content {
            padding: 1.5rem;
        }

        .case-content h3 {
            color: var(--text);
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
        }

        .case-content p {
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .case-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .case-features span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--primary);
            font-size: 0.9rem;
            background: rgba(68, 223, 199, 0.1);
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
        }

        .case-features i {
            font-size: 0.8rem;
        }

        .case-qr {
            display: none;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.95);
            z-index: 10;
            padding: 1rem;
            align-items: center;
            justify-content: center;
        }

        .case-qr.show {
            display: flex;
        }

        .case-qr img {
            width: 200px;
            height: 200px;
            object-fit: contain;
        }

        .case-qr-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #666;
            cursor: pointer;
            padding: 0.5rem;
            transition: color 0.3s;
        }

        .case-qr-close:hover {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .case-section {
                padding: 3rem 1rem;
            }

            .case-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .case-card {
                margin: 0 0.5rem;
            }

            .case-image {
                height: 280px;
            }

            .case-qr img {
                width: 180px;
                height: 180px;
            }
        }

        @media (max-width: 360px) {
            .case-image {
                height: 260px;
            }

            .case-qr img {
                width: 160px;
                height: 160px;
            }
        }

        /* 常见问题样式 */
        .faq-section {
            padding: 4rem 8%;
            background: white;
            margin-top: 2rem;
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border-radius: 12px;
            margin-bottom: 1rem;
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-item:hover {
            box-shadow: var(--hover-shadow);
        }

        .faq-question {
            padding: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s;
        }

        .faq-question h3 {
            color: var(--text);
            font-size: 1.1rem;
            margin: 0;
            font-weight: 500;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            display: none;
            color: #666;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 3rem 1rem;
            }

            .faq-question {
                padding: 1.2rem;
            }

            .faq-answer {
                padding: 0 1.2rem 1.2rem;
            }
        }

        /* 定制版客服弹窗样式 */
        .custom-service-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }

        .custom-service-modal.show {
            display: flex;
        }

        .custom-service-content {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
            position: relative;
            max-width: 90%;
            width: 320px;
            animation: modalFadeIn 0.3s ease;
        }

        .custom-service-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 1.2rem;
            color: #666;
            cursor: pointer;
            padding: 0.5rem;
            transition: color 0.3s;
        }

        .custom-service-close:hover {
            color: var(--primary);
        }

        .custom-service-content h3 {
            color: var(--text);
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }

        .custom-service-info {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }

        .custom-service-info img {
            width: 200px;
            height: 200px;
            border-radius: 8px;
            margin-bottom: 0.5rem;
        }

        .custom-service-info p {
            color: #666;
            font-size: 1.1rem;
            margin: 0;
        }

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

        @media (max-width: 768px) {
            .custom-service-content {
                width: 90%;
                padding: 1.5rem;
            }

            .custom-service-info img {
                width: 180px;
                height: 180px;
            }
        }

    

        .login-iframe-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            animation: fadeIn 0.3s ease;
        }

        .login-container {
            background: white;
            padding: 3.5rem;
            border-radius: 20px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            width: 95%;
            max-width: 800px;
            position: relative;
            min-height: 500px;
            display: flex;
            flex-direction: column;
        }

        .register-container {
            display: none;
            min-height: 500px;
        }

        .register-container.show {
            display: flex;
            flex-direction: column;
        }

        .login-container.hide {
            display: none;
        }

        .form-group.inline {
            flex-direction: row;
            align-items: center;
            gap: 1rem;
        }

        .form-group.inline input {
            flex: 1;
        }

        .verify-btn {
            padding: 1.2rem 1.5rem;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .verify-btn:hover {
            background: #3bc7b1;
        }

        .verify-btn:disabled {
            background: #ccc;
            cursor: not-allowed;
        }

        .form-tips {
            font-size: 0.9rem;
            color: #666;
            margin-top: 0.5rem;
        }

        .form-error {
            color: #ff4757;
            font-size: 0.9rem;
            margin-top: 0.5rem;
            display: none;
        }

        .form-error.show {
            display: block;
        }

        .password-strength {
            height: 4px;
            background: #eee;
            border-radius: 2px;
            margin-top: 0.5rem;
            overflow: hidden;
        }

        .password-strength-bar {
            height: 100%;
            width: 0;
            background: #ff4757;
            transition: all 0.3s;
        }

        .password-strength-bar.weak {
            width: 33.33%;
            background: #ff4757;
        }

        .password-strength-bar.medium {
            width: 66.66%;
            background: #ffa502;
        }

        .password-strength-bar.strong {
            width: 100%;
            background: #2ed573;
        }

        .password-tips {
            font-size: 0.85rem;
            color: #666;
            margin-top: 0.5rem;
        }

        .agreement-text {
            font-size: 0.9rem;
            color: #666;
            margin-top: 1rem;
        }

        .agreement-text a {
            color: var(--primary);
            text-decoration: none;
        }

        .agreement-text a:hover {
            text-decoration: underline;
        }

        .login-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .login-header h1 {
            color: #2c3e50;
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .login-header p {
            color: #666;
            font-size: 1.2rem;
        }

        .login-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            flex: 1;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .form-group label {
            color: #2c3e50;
            font-size: 1.1rem;
            font-weight: 500;
        }

        .form-group input {
            padding: 1.2rem 1.5rem;
            border: 1px solid #ddd;
            border-radius: 12px;
            font-size: 1.1rem;
            transition: all 0.3s;
        }

        .form-group input:focus {
            outline: none;
            border-color: #44DFC7;
            box-shadow: 0 0 0 3px rgba(68, 223, 199, 0.1);
        }

        .login-form .login-btn {
            background: #44DFC7;
            color: white;
            border: none;
            padding: 1.2rem;
            border-radius: 12px;
            font-size: 1.2rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 1rem;
        }

        .login-form .login-btn:hover {
            background: #3bc7b1;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
        }

        .login-footer {
            text-align: center;
            margin-top: auto;
            padding-top: 2rem;
            color: #666;
            font-size: 1.1rem;
        }

        .login-footer a {
            color: #44DFC7;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .login-footer a:hover {
            color: #3bc7b1;
        }

        @media (max-width: 768px) {
            .login-container {
                padding: 2rem;
                width: 95%;
                min-height: auto;
                margin: 1rem;
                border-radius: 16px;
            }

            .register-container {
                min-height: auto;
                margin: 1rem;
            }

            .login-header h1 {
                font-size: 1.8rem;
                margin-bottom: 0.8rem;
            }

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

            .form-group {
                gap: 0.6rem;
            }

            .form-group label {
                font-size: 0.95rem;
            }

            .form-group input {
                padding: 0.8rem 1rem;
                font-size: 0.95rem;
            }

            .form-group.inline {
                flex-direction: column;
                gap: 0.6rem;
            }

            .form-group.inline input {
                width: 100%;
            }

            .verify-btn {
                width: 100%;
                padding: 0.8rem;
                font-size: 0.95rem;
            }

            .password-strength {
                height: 3px;
            }

            .password-tips {
                font-size: 0.8rem;
            }

            .agreement-text {
                font-size: 0.85rem;
                margin-top: 0.8rem;
            }

            .login-form .login-btn {
                padding: 0.8rem;
                font-size: 1rem;
                margin-top: 0.8rem;
            }

            .login-footer {
                margin-top: 1.5rem;
                padding-top: 1.5rem;
                font-size: 0.95rem;
            }

            .form-error {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 360px) {
            .login-container {
                padding: 1.5rem;
                margin: 0.5rem;
            }

            .register-container {
                margin: 0.5rem;
            }

            .login-header h1 {
                font-size: 1.6rem;
            }

            .login-header p {
                font-size: 0.9rem;
            }

            .form-group input {
                padding: 0.7rem 0.9rem;
            }

            .verify-btn {
                padding: 0.7rem;
            }

            .login-form .login-btn {
                padding: 0.7rem;
            }
        }

        .password-input {
            position: relative;
            width: 100%;
        }

        .password-input input {
            width: 100%;
            padding-right: 3rem;
        }

        .toggle-password {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            color: #666;
            transition: color 0.3s ease;
        }

        .toggle-password:hover {
            color: #44DFC7;
        }

        .toggle-password i {
            font-size: 1.2rem;
        }

        @media (max-width: 768px) {
            .toggle-password {
                right: 0.8rem;
            }

            .toggle-password i {
                font-size: 1.1rem;
            }
        }

        /* 设置范围滑块的样式 */
        .range-container {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 0.5rem;
        }
        
        .settings-range {
            flex: 1;
            height: 6px;
            -webkit-appearance: none;
            background: #eee;
            border-radius: 3px;
            outline: none;
        }
        
        .settings-range::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            background: var(--primary);
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .settings-range::-webkit-slider-thumb:hover {
            transform: scale(1.1);
        }
        
        .range-value {
            min-width: 40px;
            padding: 0.3rem 0.8rem;
            background: var(--bg-light);
            border-radius: 12px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text);
        }
        
        .settings-description {
            font-size: 0.85rem;
            color: #666;
            margin-top: 0.5rem;
        }

        .tool-btn[data-type="ai"] {
            padding: 0.6rem 1.2rem;
            border: none;
            border-radius: 10px;
            background: linear-gradient(to right, #ffffff, #c9f0e8);
            color: #666;
            font-size: 0.9rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            transition: all 0.3s;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            white-space: nowrap;
            font-weight: 500;
            border: 1px solid rgba(68, 223, 199, 0.3);
        }

        .tool-btn[data-type="ai"] i {
            font-size: 1rem;
            color: var(--primary);
            transition: all 0.3s;
        }

        .tool-btn[data-type="ai"]:hover, .tool-btn[data-type="ai"].active {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 12px rgba(68, 223, 199, 0.2);
            border: 1px solid var(--primary);
        }

        .tool-btn[data-type="ai"]:hover i, .tool-btn[data-type="ai"].active i {
            color: white;
        }

        /* 彩带礼花特效样式 */
        .confetti-container {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: 9999;
            overflow: hidden;
        }

        .confetti {
            position: absolute;
            width: 10px;
            height: 30px;
            background-color: #44DFC7;
            opacity: 0.9; /* 提高初始不透明度 */
            transform-origin: center;
            animation: confetti-fall 4s cubic-bezier(0.22, 0.68, 0, 1) forwards; /* 改变默认动画时间和缓动函数 */
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.2); /* 添加阴影增强立体感 */
        }

        @keyframes confetti-fall {
            0% {
                transform: translateY(0) rotateZ(0deg);
                opacity: 0.9;
            }
            30% { /* 添加30%关键帧，模拟初始爆发后的减速 */
                opacity: 0.8;
            }
            75% {
                opacity: 0.5;
            }
            100% {
                transform: translateY(100vh) rotateZ(720deg);
                opacity: 0;
            }
        }