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

:root {
    --primary: #fd79a8;
    --primary-dark: #e84393;
    --secondary: #6c5ce7;
    --accent: #00b894;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --text-muted: #b2bec3;
    --border-color: #e8e8e8;
    --gradient-primary: linear-gradient(135deg, #fd79a8 0%, #e84393 100%);
    --gradient-accent: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
    --shadow-lg: 0 20px 40px rgba(253, 121, 168, 0.15);
    --shadow-md: 0 10px 25px rgba(253, 121, 168, 0.1);
    --shadow-sm: 0 5px 15px rgba(253, 121, 168, 0.08);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.header {
    background-color: var(--bg-white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar {
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    font-size: 28px;
}

.brand-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
    color: var(--text-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    gap: 15px;
}

.login-btn,
.register-btn {
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.login-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

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

.register-btn {
    background: var(--gradient-primary);
    color: white;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
}

.page-header {
    padding: 60px 0;
    text-align: center;
    background: var(--bg-white);
}

.page-header h1 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.page-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

.hero {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 60px 0;
    background: var(--gradient-primary);
    min-height: 500px;
}

.hero-content {
    flex: 1;
    color: white;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 32px;
    font-weight: 800;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.cta-btn {
    padding: 15px 40px;
    background: white;
    color: var(--primary);
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.secondary-btn {
    padding: 15px 40px;
    background: transparent;
    color: white;
    border: 2px solid white;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-btn:hover {
    background: white;
    color: var(--primary);
}

.hero-image {
    flex: 1;
}

.hero-image svg {
    width: 100%;
    max-width: 500px;
}

.features {
    padding: 80px 0;
    background: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

.view-all {
    color: var(--primary);
    font-weight: 600;
    display: block;
    margin-top: 15px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 35px;
    background: var(--bg-light);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(253, 121, 168, 0.05);
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.hot-products {
    padding: 80px 0;
    background: var(--bg-light);
}

.hot-products .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.products-scroll {
    overflow-x: auto;
    padding: 20px 0;
}

.products-track {
    display: flex;
    gap: 25px;
    width: max-content;
}

.product-card {
    background: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    width: 200px;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
}

.product-image svg {
    width: 100%;
    height: 280px;
}

.hot-tag,
.new-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.hot-tag {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: white;
}

.new-tag {
    background: linear-gradient(135deg, #00b894, #00cec9);
    color: white;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-info p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.testimonials {
    padding: 80px 0;
    background: var(--bg-white);
}

.testimonials .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.star-rating {
    margin-bottom: 20px;
}

.star-rating span {
    color: #ffd700;
    font-size: 20px;
}

.testimonial-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
}

.reviewer-avatar svg {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.reviewer-name {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.reviewer-date {
    font-size: 13px;
    color: var(--text-muted);
}

.cta-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-form {
    display: flex;
    justify-content: center;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.cta-form input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
}

.submit-btn {
    padding: 15px 35px;
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.privacy-text {
    font-size: 14px;
    margin-top: 20px;
    opacity: 0.8;
}

.privacy-text a {
    color: white;
    text-decoration: underline;
}

.footer {
    background: var(--text-primary);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand .brand-icon {
    font-size: 36px;
}

.footer-brand .brand-text {
    font-size: 20px;
    color: white;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

.filters {
    padding: 25px 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.filters .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.filter-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 8px 20px;
    background: var(--bg-light);
    border: none;
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-tab.active {
    background: var(--gradient-primary);
    color: white;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.sort-btn {
    padding: 6px 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    transition: color 0.3s ease;
}

.sort-btn.active {
    color: var(--primary);
    font-weight: 600;
}

.products-list {
    padding: 50px 0;
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.product-card.featured {
    grid-column: span 3;
    display: flex;
    width: 100%;
}

.product-card.featured .product-image {
    width: 40%;
}

.product-card.featured .product-image svg {
    height: 100%;
}

.featured-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    color: white;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 700;
}

.product-card.featured .product-info {
    flex: 1;
    padding: 30px;
}

.product-card.featured .product-info h2 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.product-card.featured .product-info p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.tag {
    padding: 4px 12px;
    background: rgba(253, 121, 168, 0.1);
    color: var(--primary);
    border-radius: 10px;
    font-size: 12px;
}

.product-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
}

.rating {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.views {
    font-size: 14px;
    color: var(--text-muted);
}

.product-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.watch-btn {
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.watch-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn {
    padding: 10px 20px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.page-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary);
    color: white;
}

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

.page-dots {
    padding: 10px 15px;
    color: var(--text-muted);
}

.promotion {
    padding: 50px 0;
    background: var(--bg-white);
}

.promo-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px;
    background: var(--gradient-accent);
    border-radius: 20px;
    color: white;
}

.promo-content h2 {
    font-size: 26px;
    margin-bottom: 15px;
}

.promo-content p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.promo-pricing {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.price {
    font-size: 36px;
    font-weight: 800;
}

.period {
    font-size: 18px;
}

.original {
    font-size: 16px;
    text-decoration: line-through;
    opacity: 0.7;
}

.promo-btn {
    padding: 15px 40px;
    background: white;
    color: var(--secondary);
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.promo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.review-stats {
    padding: 40px 0;
    background: var(--bg-white);
}

.stats-card {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 15px;
}

.stat-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-filters {
    padding: 25px 0;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.review-filters .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.reviews-list {
    padding: 50px 0;
    background: var(--bg-white);
}

.review-card {
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    margin-bottom: 20px;
}

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

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviewer-avatar {
    width: 60px;
    height: 60px;
}

.reviewer-avatar svg {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

.reviewer-details {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.reviewer-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.reviewer-level {
    font-size: 13px;
    color: var(--primary);
    background: rgba(253, 121, 168, 0.1);
    padding: 3px 10px;
    border-radius: 10px;
    width: fit-content;
}

.review-date {
    font-size: 13px;
    color: var(--text-muted);
}

.review-content h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.review-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.review-images {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.review-image {
    width: 150px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
}

.review-image svg {
    width: 100%;
    height: 100%;
}

.review-actions {
    display: flex;
    gap: 20px;
}

.like-btn,
.reply-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 15px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.like-btn:hover,
.reply-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.write-review {
    padding: 50px 0;
    background: var(--bg-light);
}

.write-review h2 {
    text-align: center;
    font-size: 26px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.review-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: block;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 15px;
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.star-input {
    display: flex;
    gap: 10px;
}

.star-input .star {
    font-size: 30px;
    color: #ddd;
    cursor: pointer;
    transition: color 0.3s ease;
}

.upload-area {
    padding: 30px;
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(253, 121, 168, 0.05);
}

.upload-icon {
    font-size: 36px;
    margin-bottom: 10px;
    display: block;
}

.search-box {
    padding: 30px 0;
    background: var(--bg-light);
}

.search-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.search-form input {
    flex: 1;
    padding: 15px 20px;
    border: none;
    font-size: 16px;
    color: var(--text-primary);
}

.search-form input:focus {
    outline: none;
}

.search-btn {
    padding: 15px 30px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-dark);
}

.faq-categories {
    padding: 20px 0;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.category-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 25px;
    background: var(--bg-light);
    border: none;
    border-radius: 25px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab.active {
    background: var(--gradient-primary);
    color: white;
}

.faq-list {
    padding: 50px 0;
    background: var(--bg-light);
}

.faq-section {
    margin-bottom: 40px;
}

.faq-section h2 {
    font-size: 22px;
    margin-bottom: 25px;
    color: var(--text-primary);
    padding-left: 15px;
    border-left: 4px solid var(--primary);
}

.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
}

.faq-arrow {
    font-size: 20px;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 20px 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.faq-answer ul,
.faq-answer ol {
    padding-left: 20px;
    margin-bottom: 15px;
}

.faq-answer li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.contact-support {
    padding: 50px 0;
    background: var(--bg-white);
}

.contact-support h2 {
    text-align: center;
    font-size: 26px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.contact-support p {
    text-align: center;
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.contact-option {
    text-align: center;
    padding: 35px;
    background: var(--bg-light);
    border-radius: 15px;
}

.contact-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.contact-option h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.contact-option p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.contact-btn {
    padding: 12px 30px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.service-guarantee {
    padding: 60px 0;
    background: var(--bg-white);
}

.service-guarantee h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.guarantee-card {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
}

.guarantee-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.guarantee-icon svg {
    width: 100%;
    height: 100%;
}

.guarantee-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.guarantee-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.refund-policy {
    padding: 60px 0;
    background: var(--bg-light);
}

.refund-policy h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.policy-content {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
}

.policy-section {
    margin-bottom: 30px;
}

.policy-section:last-child {
    margin-bottom: 0;
}

.policy-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.policy-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.policy-section ul {
    padding-left: 20px;
}

.policy-section li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.complaint-process {
    padding: 60px 0;
    background: var(--bg-white);
}

.complaint-process h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.complaint-process .process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 800;
    color: white;
    margin: 0 auto 20px;
}

.service-agreement {
    padding: 60px 0;
    background: var(--bg-light);
}

.service-agreement h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.agreement-content {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 30px;
}

.agreement-section {
    margin-bottom: 30px;
}

.agreement-section:last-child {
    margin-bottom: 0;
}

.agreement-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.agreement-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 15px;
}

.agreement-section ul {
    padding-left: 20px;
}

.agreement-section li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 10px;
}

.agreement-action {
    text-align: center;
}

.agreement-action input {
    margin-right: 10px;
}

.agreement-action label {
    font-size: 14px;
    color: var(--text-secondary);
}

.contact-info {
    padding: 60px 0;
    background: var(--bg-white);
}

.contact-info h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.contact-card {
    text-align: center;
    padding: 35px;
    background: var(--bg-light);
    border-radius: 15px;
}

.contact-card .contact-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.contact-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.contact-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.contact-card .contact-btn {
    margin-top: 15px;
}

.feedback {
    padding: 60px 0;
    background: var(--bg-light);
}

.feedback h2 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: var(--text-primary);
}

.feedback-form {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

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

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

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

    .product-card.featured {
        grid-column: span 2;
    }

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

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

    .complaint-process .process-steps {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        gap: 15px;
    }

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

    .nav-actions {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 32px;
    }

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

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

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

    .product-card.featured {
        grid-column: span 1;
        flex-direction: column;
    }

    .product-card.featured .product-image {
        width: 100%;
    }

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

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

    .complaint-process .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-options {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        gap: 20px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

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

    .complaint-process .process-steps {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}