/* ==================== 基础样式 ==================== */
:root {
    /* 主题颜色 - 高端金色系 */
    --primary-color: #C9A962;
    --primary-dark: #B8944D;
    --primary-light: #D4B978;
    
    /* 辅助颜色 - 深色系 */
    --secondary-color: #2C3E50;
    --secondary-dark: #1A252F;
    --secondary-light: #34495E;
    
    /* 强调色 - 深棕色 */
    --accent-color: #8B4513;
    --accent-dark: #6B3410;
    --accent-light: #A0522D;
    
    /* 背景色 */
    --bg-color: #F8F7F4;
    --bg-light: #FFFFFF;
    --bg-dark: #F0EDE6;
    
    /* 文字颜色 */
    --text-primary: #2C3E50;
    --text-secondary: #5D6D7E;
    --text-light: #8E99A4;
    --text-white: #FFFFFF;
    
    /* 边框颜色 */
    --border-color: #E0DCD3;
    --border-light: #EAE6DD;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* 圆角 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 50%;
}

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

html {
    scroll-behavior: smooth;
}

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

.container-39ac1e {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==================== 按钮样式 ==================== */
.btn-f37626 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    gap: 8px;
}

.btn-primary-1d6879 {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(201, 169, 98, 0.4);
}

.btn-primary-1d6879:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

.btn-secondary-e51c57 {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary-e51c57:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-block-5b0a9e {
    width: 100%;
}

/* ==================== 顶部导航 ==================== */
.header-80757d {
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.header-80757d.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-892d39 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-f19bde {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-f19bde i {
    font-size: 32px;
}

.nav-links-5717ec {
    display: flex;
    gap: 8px;
}

.nav-links-5717ec a {
    padding: 10px 16px;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-links-5717ec a:hover {
    color: var(--primary-color);
    background: rgba(201, 169, 98, 0.1);
}

.hamburger-9e7528 {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ==================== 横幅区域 ==================== */
.hero-a1d059 {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    overflow: hidden;
}

.hero-a1d059::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('./imgs/banner.jpg') center/cover;
    animation: float 20s linear infinite;
    opacity: 0.2;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-200px) rotate(360deg); }
}

.hero-overlay-1c43f2 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.9), rgba(26, 37, 47, 0.95));
}

.hero-content-00d2e0 {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title-ed0b76 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 2px;
    text-shadow: 2px 4px 8px rgba(0,0,0,0.3);
}

.hero-subtitle-0bfddc {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons-4deeaa {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 章节头部 ==================== */
.section-header-00beea {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-1ec1c2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-1ec1c2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 2px;
}

.section-subtitle-82710e {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.7;
}

/* ==================== 服务内容 ==================== */
.services-5b4f66 {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-grid-e32c34 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-395a33 {
    background: var(--bg-color);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.service-card-395a33:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon-71ef9e {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.service-card-395a33:hover .service-icon-71ef9e {
    transform: scale(1.1) rotate(5deg);
}

.service-icon-71ef9e i {
    font-size: 32px;
    color: var(--text-white);
}

.service-title-c5dc49 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-content-5424a4 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 服务优势 ==================== */
.advantages-36221f {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-color) 100%);
}

.advantages-grid-792293 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card-70b962 {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--border-light);
}

.advantage-card-70b962::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.advantage-card-70b962:hover::before {
    transform: scaleX(1);
}

.advantage-card-70b962:hover {
    box-shadow: var(--shadow-lg);
}

.advantage-number-0c3857 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    right: 20px;
}

.advantage-title-059dc5 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.advantage-content-789cde {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==================== 产品案例 ==================== */
.products-e9841d {
    padding: 120px 0;
    background: var(--secondary-color);
}

.products-e9841d .section-title-1ec1c2 {
    color: var(--text-white);
}

.products-e9841d .section-subtitle-82710e {
    color: rgba(255, 255, 255, 0.7);
}

.products-grid-103acd {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card-1d0204 {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-light);
    transition: var(--transition-normal);
}

.product-card-1d0204:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image-40f151 {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image-40f151 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card-1d0204:hover .product-image-40f151 img {
    transform: scale(1.1);
}

.product-overlay-390382 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(44, 62, 80, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.product-card-1d0204:hover .product-overlay-390382 {
    opacity: 1;
}

.product-overlay-390382 i {
    font-size: 32px;
    color: var(--primary-color);
}

.product-info-0a7afd {
    padding: 24px;
    background: var(--bg-light);
}

.product-title-23de99 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-desc-4ac583 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 关于我们 ==================== */
.about-13ad6a {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-wrapper-09d7b2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-dc9fed {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-dc9fed img {
    width: 100%;
    height: auto;
}

.about-content-e25638 {
    padding: 20px;
}

.about-header-5dd15d {
    text-align: left;
    margin-bottom: 30px;
}

.about-header-5dd15d .section-title-1ec1c2::after {
    left: 0;
    transform: none;
}

.about-intro-06fd93 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text-dcacbb {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 40px;
}

.about-stats-d4f137 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item-6d2ebb {
    text-align: center;
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-item-6d2ebb:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number-465a1a {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label-783ac2 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 新闻资讯 ==================== */
.news-dcba14 {
    padding: 120px 0;
    background: var(--bg-dark);
}

.news-grid-2e5220 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-15f166 {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.news-card-15f166:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image-33f9e8 {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image-33f9e8 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card-15f166:hover .news-image-33f9e8 img {
    transform: scale(1.1);
}

.news-date-2bcdd9 {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    text-align: center;
}

.date-day-53e034 {
    display: block;
    font-size: 20px;
    font-weight: 700;
}

.date-month-69bcf0 {
    font-size: 12px;
    opacity: 0.9;
}

.news-content-551164 {
    padding: 24px;
}

.news-title-264bb5 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-summary-68e6bc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta-d1c9b0 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

.news-time-64bc7e {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-readmore-4a8704 {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.news-readmore-4a8704:hover {
    gap: 10px;
}

/* ==================== 常见问题 ==================== */
.faq-95cddc {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-list-702df7 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-8c61a4 {
    margin-bottom: 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.faq-item-8c61a4:hover {
    border-color: var(--primary-color);
}

.faq-question-d1552f {
    display: flex;
    align-items: center;
    padding: 24px;
    background: var(--bg-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question-d1552f:hover {
    background: rgba(201, 169, 98, 0.05);
}

.faq-icon-4d0243 {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 16px;
}

.faq-text-88697c {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle-88e6f6 {
    color: var(--primary-color);
    font-size: 16px;
    transition: var(--transition-fast);
}

.faq-item-8c61a4.active .faq-toggle-88e6f6 {
    transform: rotate(180deg);
}

.faq-answer-f8e565 {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item-8c61a4.active .faq-answer-f8e565 {
    max-height: 300px;
}

.faq-answer-f8e565 p {
    padding: 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    background: var(--bg-light);
}

/* ==================== 客户评价 ==================== */
.reviews-fb824c {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.reviews-fb824c .section-title-1ec1c2 {
    color: var(--text-white);
}

.reviews-fb824c .section-subtitle-82710e {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-4a9f0c {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-d9d4ee {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.review-card-d9d4ee:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.review-header-db9cf4 {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.reviewer-info-0bedfb {
    display: flex;
    align-items: center;
    gap: 16px;
}

.reviewer-avatar-59454c {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.reviewer-details-f9b26d {
    flex: 1;
}

.reviewer-name-8ab31f {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.reviewer-company-06a963 {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-rating-93df03 {
    color: var(--primary-color);
    font-size: 14px;
}

.review-content-f5ccf8 {
    margin-bottom: 20px;
}

.review-content-f5ccf8 p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.review-footer-c927c0 {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 13px;
    color: var(--text-light);
}

.review-date-62b00a {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== 联系我们 ==================== */
.contact-1d2f77 {
    padding: 120px 0;
    background: var(--bg-color);
}

.contact-wrapper-eed773 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-65650b {
    padding: 20px;
}

.contact-subtitle-9957cc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.contact-details-9dbc9d {
    margin: 40px 0;
}

.contact-item-ecc05f {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-icon-a54f5b {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon-a54f5b i {
    font-size: 20px;
    color: var(--text-white);
}

.contact-text-6464db h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-text-6464db p {
    font-size: 15px;
    color: var(--text-secondary);
}

.social-links-a9c764 {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

.social-link-7d63ce {
    width: 48px;
    height: 48px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.social-link-7d63ce:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.contact-form-wrapper-98534a {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-title-9be686 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
}

.form-row-9c4a96 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-04e42b {
    margin-bottom: 20px;
}

.form-group-04e42b label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group-04e42b input,
.form-group-04e42b select,
.form-group-04e42b textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    color: var(--text-primary);
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-group-04e42b input:focus,
.form-group-04e42b select:focus,
.form-group-04e42b textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

.form-group-04e42b textarea {
    resize: vertical;
    min-height: 120px;
}

.flink-section-093410 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-20ed8c{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-093410 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-093410 a{
    color: #718096;
    text-decoration: none;
}

/* ==================== 页脚 ==================== */
.footer-4655d3 {
    background: var(--secondary-dark);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-content-39ef38 {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand-4c6d9c .logo-f19bde {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-desc-d01183 {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links-f12ef7 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column-602d49 h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.footer-column-602d49 ul li {
    margin-bottom: 12px;
}

.footer-column-602d49 ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-column-602d49 ul a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.footer-bottom-d4a564 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-d4a564 p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top-3121cf {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 18px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.back-to-top-3121cf.visible-f40af4 {
    opacity: 1;
    visibility: visible;
}

.back-to-top-3121cf:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .services-grid-e32c34,
    .advantages-grid-792293,
    .products-grid-103acd,
    .news-grid-2e5220 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrapper-09d7b2,
    .contact-wrapper-eed773 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-dc9fed {
        order: -1;
    }
    
    .footer-content-39ef38 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links-5717ec {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-light);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .nav-links-5717ec.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links-5717ec a {
        padding: 16px;
        border-bottom: 1px solid var(--border-light);
    }
    
    .hamburger-9e7528 {
        display: block;
    }
    
    .hero-a1d059 {
        min-height: 600px;
    }
    
    .hero-title-ed0b76 {
        font-size: 36px;
    }
    
    .hero-subtitle-0bfddc {
        font-size: 16px;
    }
    
    .section-title-1ec1c2 {
        font-size: 32px;
    }
    
    .services-grid-e32c34,
    .advantages-grid-792293,
    .products-grid-103acd,
    .news-grid-2e5220,
    .reviews-grid-4a9f0c {
        grid-template-columns: 1fr;
    }
    
    .about-stats-d4f137 {
        grid-template-columns: 1fr;
    }
    
    .form-row-9c4a96 {
        grid-template-columns: 1fr;
    }
    
    .footer-links-f12ef7 {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stat-item-6d2ebb {
        padding: 16px;
    }
    
    .stat-number-465a1a {
        font-size: 28px;
    }
    
    .product-image-40f151 {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container-39ac1e {
        padding: 0 15px;
    }
    
    .hero-title-ed0b76 {
        font-size: 28px;
    }
    
    .hero-buttons-4deeaa {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-f37626 {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title-1ec1c2 {
        font-size: 26px;
    }
    
    .service-card-395a33,
    .advantage-card-70b962 {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper-98534a {
        padding: 24px;
    }
    
    .review-card-d9d4ee {
        padding: 24px;
    }
}