.content-nav {
    margin-bottom: 40px;
    border-bottom: 1px solid #e8e8e8;
    padding-bottom: 20px;
    margin-top: 20px;
}

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

.nav-links a {
    text-decoration: none;
    color: #444;
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

.nav-links a.active {
    color: #2563eb;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #2563eb;
}

.content-section {
    margin-bottom: 100px;
}

.section-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e8e8e8;
}

.section-title {
    font-size: 28px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title i {
    color: #2563eb;
}

.section-subtitle {
    font-size: 16px;
    color: #666;
}

/* 产品详情部分 */
.product-detail {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.product-left {
    flex: 1.2;
    min-width: 0;
}

.product-right {
    width: 580px;
}

.product-showcase {
    margin-bottom: 40px;
}

.main-image {
    width: 100%;
    height: 480px;
    background: linear-gradient(135deg, #f8f8f8 0%, #f0f0f0 100%);
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 1px solid #e8e8e8;
    overflow: hidden;
    position: relative;
}

.main-image img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
}

.image-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #2563eb;
    color: white;
    padding: 6px 16px;
    border-radius: 1px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    border: 1px solid #2563eb;
}

.thumbnail-images {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 0 2px;
}

.thumbnail {
    width: 120px;
    height: 90px;
    border-radius: 1px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid #e8e8e8;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.thumbnail:hover {
    border-color: #2563eb;
}

.thumbnail.active {
    border-color: #2563eb;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.action-buttons-row {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-left: auto;
}

.demo-link {
    padding: 10px 20px;
    background: #2563eb;
    color: white;
    text-decoration: none;
    border-radius: 1px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid #2563eb;
    white-space: nowrap;
}

.demo-link:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    transform: translateY(-1px);
}

.contact-btn {
    padding: 10px 20px;
    background: white;
    color: #2563eb;
    text-decoration: none;
    border-radius: 1px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid #2563eb;
    white-space: nowrap;
    cursor: pointer;
}

.contact-btn:hover {
    background: #eff6ff;
    transform: translateY(-1px);
}

.product-info {
    border-top: 1px solid #e8e8e8;
    padding-top: 32px;
}

.product-title {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 12px;
    color: #1a1a1a;
    letter-spacing: -0.2px;
}

.product-subtitle {
    font-size: 16px;
    color: #666;
    margin-bottom: 32px;
    line-height: 1.5;
}

.product-features {
    margin-bottom: 32px;
}

.features-title {
    font-size: 14px;
    font-weight: 500;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #444;
    line-height: 1.4;
}

.feature-item i {
    color: #2563eb;
    font-size: 13px;
    margin-top: 1px;
}

/* 配置选择区域 */
.config-section {
    border: 1px solid #e8e8e8;
    border-radius: 1px;
    padding: 40px;
    background: #fefefe;
    height: fit-content;
    position: sticky;
    top: 40px;
}

.config-header {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e8e8e8;
}

.config-title {
    font-size: 24px;
    font-weight: 500;
    color: #1a1a1a;
    letter-spacing: -0.2px;
    margin-bottom: 12px;
}

.config-subtitle {
    font-size: 14px;
    color: #888;
}

.config-group {
    margin-bottom: 32px;
}

.group-title {
    font-size: 13px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}

.option-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.option-item {
    position: relative;
}

.option-input {
    display: none;
}

.option-label {
    display: inline-block;
    padding: 12px 20px;
    border: 1px solid #e8e8e8;
    border-radius: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 13px;
    font-weight: 400;
    color: #444;
    background: #fefefe;
    min-width: 100px;
    text-align: center;
    user-select: none;
    position: relative;
}

.price-tooltip {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: white;
    padding: 6px 12px;
    border-radius: 1px;
    font-size: 12px;
    font-weight: 400;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 10;
    pointer-events: none;
}

.price-tooltip:after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid #1e293b;
}

.option-item:hover .price-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-2px);
}

.option-input[type="radio"]:checked + .option-label {
    border-color: #2563eb;
    background: #2563eb;
    color: white;
}

.option-input[type="checkbox"]:checked + .option-label {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1e40af;
    position: relative;
}

.option-input[type="checkbox"]:checked + .option-label:after {
    content: "✓";
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
}

.option-label:hover {
    border-color: #2563eb;
}

.price-display {
    margin-top: 16px;
    padding: 16px;
    border: 1px solid #e8e8e8;
    border-radius: 1px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f8f8f8;
}

.price-label {
    font-size: 13px;
    color: #666;
}

.price-value {
    font-size: 16px;
    font-weight: 500;
    color: #2563eb;
}

.total-price {
    border-top: 1px solid #e8e8e8;
    padding-top: 32px;
    margin-top: 32px;
}

.total-price-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 24px;
}

.total-label {
    font-size: 14px;
    color: #666;
}

.total-amount {
    font-size: 32px;
    font-weight: 500;
    color: #2563eb;
    letter-spacing: -0.5px;
}

.pay-later-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 1px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.pay-later-btn:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-1px);
}

.renewal-hint {
    margin-top: 12px;
    font-size: 12px;
    color: #666;
    text-align: center;
}

/* 套餐比较部分 */
.comparison-container {
    overflow-x: auto;
    border-radius: 2px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1000px;
}

.comparison-table th,
.comparison-table td {
    padding: 24px 20px;
    text-align: center;
    border-bottom: 1px solid #e8e8e8;
}

.comparison-table th {
    font-weight: 500;
    color: #444;
    background: #f8fafc;
}

.comparison-table thead th {
    font-size: 18px;
    padding: 30px 20px;
}

.feature-category {
    text-align: left;
    font-weight: 600;
    color: #2563eb;
    font-size: 16px;
    background: #eff6ff;
}

.feature-name {
    text-align: left;
    font-size: 14px;
    color: #333;
    padding-left: 30px;
}

.package-header {
    position: relative;
}

.package-name {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.package-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #2563eb;
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 1px;
    margin-bottom: 12px;
}

.package-price {
    font-size: 28px;
    font-weight: 600;
    color: #2563eb;
    margin-bottom: 4px;
}

.package-price-note {
    font-size: 12px;
    color: #888;
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: #10b981;
    color: white;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 1px;
}

.feature-check {
    color: #10b981;
    font-size: 18px;
}

.feature-cross {
    color: #ef4444;
    font-size: 18px;
}

.feature-limited {
    color: #f59e0b;
    font-size: 14px;
    font-weight: 500;
}

/* 制作流程部分 */
.process-timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 40px;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 100px;
    right: 100px;
    height: 2px;
    background: #e2e8f0;
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 18%;
    padding: 20px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
    border-color: #2563eb;
}

.step-number {
    width: 80px;
    height: 80px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
    margin: 0 auto 24px;
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 12px;
}

.step-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
}

/* 售后服务部分 */
.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: white;
    border-radius: 2px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.1);
    border-color: #2563eb;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: #eff6ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
    font-size: 32px;
    margin: 0 auto 24px;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: #2563eb;
    color: white;
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 16px;
}

.service-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-feature {
    padding: 8px 0;
    border-bottom: 1px solid #f1f5f9;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.service-feature:last-child {
    border-bottom: none;
}

.service-feature i {
    color: #10b981;
    margin-top: 2px;
    font-size: 14px;
}

.service-feature span {
    font-size: 13px;
    color: #475569;
    line-height: 1.5;
}

/* 常见问题部分 */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.faq-item {
    background: white;
    border-radius: 2px;
    border: 1px solid #e2e8f0;
    padding: 24px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #2563eb;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
}

.faq-question {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-question i {
    color: #2563eb;
}

.faq-answer {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}

/* 价格动画 */
@keyframes pricePulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.price-updated {
    animation: pricePulse 0.3s ease;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    border-radius: 2px;
    width: 500px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 24px 30px;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-title i {
    color: #10b981;
}

.modal-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #888;
    cursor: pointer;
    padding: 5px;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: #ef4444;
}

.modal-body {
    padding: 30px;
}

.order-info {
    background: #f8fafc;
    padding: 20px;
    border-radius: 2px;
    margin-bottom: 30px;
    border: 1px solid #e2e8f0;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}

.info-row:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
}

.info-value {
    font-size: 14px;
    color: #1e293b;
    font-weight: 600;
}

.info-value.price {
    color: #2563eb;
    font-size: 18px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: #444;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 2px;
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid #e8e8e8;
    text-align: right;
}

.submit-btn {
    padding: 12px 30px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background: #1d4ed8;
}

/* 响应式调整 */
@media (max-width: 1700px) {
    body {
        min-width: auto;
    }

    .container {
        max-width: 1400px;
        padding: 0 32px;
    }

    .product-detail {
        flex-direction: column;
        gap: 40px;
    }

    .product-right {
        width: 100%;
    }

    .main-image {
        height: 400px;
    }

    .process-timeline::before {
        left: 80px;
        right: 80px;
    }

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

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }

    .process-timeline {
        flex-wrap: wrap;
        justify-content: center;
    }

    .process-step {
        width: 45%;
        margin-bottom: 40px;
    }

    .process-timeline::before {
        display: none;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .container {
        padding: 0 24px;
        max-width: 100%;
    }

    .main-image {
        height: 320px;
    }

    .thumbnail {
        width: 100px;
        height: 75px;
    }

    .thumbnail-images {
        flex-wrap: wrap;
        justify-content: center;
    }

    .action-buttons-row {
        margin-left: 0;
        width: 100%;
        justify-content: center;
        margin-top: 12px;
    }

    .service-cards {
        grid-template-columns: 1fr;
    }

    .config-section {
        position: static;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

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

    .process-step {
        width: 100%;
    }

    .demo-link, .contact-btn {
        width: 100%;
        justify-content: center;
    }

    .action-buttons-row {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 16px;
    }

    .main-image {
        height: 250px;
    }

    .thumbnail {
        width: 80px;
        height: 60px;
    }

    .option-list {
        justify-content: center;
    }

    .price-tooltip {
        top: -40px;
        font-size: 11px;
        padding: 4px 8px;
    }

    .section-title {
        font-size: 24px;
    }
}