/* ==================== 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-f9840c {
    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-42d086 {
    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-dba050 {
    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-dba050:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

.btn-secondary-96dbbd {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary-96dbbd:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-block-7d7210 {
    width: 100%;
}

/* ==================== 顶部导航 ==================== */
.header-1b4864 {
    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-1b4864.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-47cd70 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-88cfdf {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-88cfdf i {
    font-size: 32px;
}

.nav-links-40b42a {
    display: flex;
    gap: 8px;
}

.nav-links-40b42a a {
    padding: 10px 16px;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-links-40b42a a:hover {
    color: var(--primary-color);
    background: rgba(201, 169, 98, 0.1);
}

.hamburger-ded150 {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ==================== 横幅区域 ==================== */
.hero-3e1283 {
    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-3e1283::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-850ea9 {
    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-441b2f {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title-be1e67 {
    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-9f9360 {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons-04f4d0 {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 章节头部 ==================== */
.section-header-ab1832 {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-1388d7 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-1388d7::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-63a535 {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.7;
}

/* ==================== 服务内容 ==================== */
.services-41878e {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-grid-d676c7 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-2e695c {
    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-2e695c:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon-04aac3 {
    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-2e695c:hover .service-icon-04aac3 {
    transform: scale(1.1) rotate(5deg);
}

.service-icon-04aac3 i {
    font-size: 32px;
    color: var(--text-white);
}

.service-title-992d0e {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-content-f4e0f7 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 服务优势 ==================== */
.advantages-1a5e7a {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-color) 100%);
}

.advantages-grid-c54413 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card-74833a {
    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-74833a::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-74833a:hover::before {
    transform: scaleX(1);
}

.advantage-card-74833a:hover {
    box-shadow: var(--shadow-lg);
}

.advantage-number-c7c5d5 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    right: 20px;
}

.advantage-title-cf04c8 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.advantage-content-c5ebb7 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==================== 产品案例 ==================== */
.products-a975c2 {
    padding: 120px 0;
    background: var(--secondary-color);
}

.products-a975c2 .section-title-1388d7 {
    color: var(--text-white);
}

.products-a975c2 .section-subtitle-63a535 {
    color: rgba(255, 255, 255, 0.7);
}

.products-grid-8c5e8f {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card-a64ada {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-light);
    transition: var(--transition-normal);
}

.product-card-a64ada:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image-ec12a6 {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image-ec12a6 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card-a64ada:hover .product-image-ec12a6 img {
    transform: scale(1.1);
}

.product-overlay-e94cf4 {
    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-a64ada:hover .product-overlay-e94cf4 {
    opacity: 1;
}

.product-overlay-e94cf4 i {
    font-size: 32px;
    color: var(--primary-color);
}

.product-info-86a139 {
    padding: 24px;
    background: var(--bg-light);
}

.product-title-7f5cef {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-desc-477145 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 关于我们 ==================== */
.about-1460b8 {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-wrapper-9ce013 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-149255 {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-149255 img {
    width: 100%;
    height: auto;
}

.about-content-49a3fa {
    padding: 20px;
}

.about-header-42d4f6 {
    text-align: left;
    margin-bottom: 30px;
}

.about-header-42d4f6 .section-title-1388d7::after {
    left: 0;
    transform: none;
}

.about-intro-90a546 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text-96a08b {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 40px;
}

.about-stats-2066d2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item-c36a24 {
    text-align: center;
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-item-c36a24:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number-202dd1 {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label-78e23a {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 新闻资讯 ==================== */
.news-7a8b6b {
    padding: 120px 0;
    background: var(--bg-dark);
}

.news-grid-9937cc {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-91db46 {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.news-card-91db46:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image-917b76 {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image-917b76 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card-91db46:hover .news-image-917b76 img {
    transform: scale(1.1);
}

.news-date-153077 {
    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-9e018b {
    display: block;
    font-size: 20px;
    font-weight: 700;
}

.date-month-8e42bc {
    font-size: 12px;
    opacity: 0.9;
}

.news-content-157012 {
    padding: 24px;
}

.news-title-ae19b9 {
    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-671044 {
    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-d49919 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

.news-time-49f9a9 {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-readmore-d67900 {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.news-readmore-d67900:hover {
    gap: 10px;
}

/* ==================== 常见问题 ==================== */
.faq-3eeedf {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-list-77b7fc {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-051936 {
    margin-bottom: 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.faq-item-051936:hover {
    border-color: var(--primary-color);
}

.faq-question-2ddd07 {
    display: flex;
    align-items: center;
    padding: 24px;
    background: var(--bg-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question-2ddd07:hover {
    background: rgba(201, 169, 98, 0.05);
}

.faq-icon-f6dec6 {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 16px;
}

.faq-text-c64b74 {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle-0a27a0 {
    color: var(--primary-color);
    font-size: 16px;
    transition: var(--transition-fast);
}

.faq-item-051936.active .faq-toggle-0a27a0 {
    transform: rotate(180deg);
}

.faq-answer-0f89fb {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item-051936.active .faq-answer-0f89fb {
    max-height: 300px;
}

.faq-answer-0f89fb p {
    padding: 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    background: var(--bg-light);
}

/* ==================== 客户评价 ==================== */
.reviews-71ec79 {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.reviews-71ec79 .section-title-1388d7 {
    color: var(--text-white);
}

.reviews-71ec79 .section-subtitle-63a535 {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-0e368c {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-93a972 {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.review-card-93a972:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.review-header-7cc5c3 {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.reviewer-info-cb7200 {
    display: flex;
    align-items: center;
    gap: 16px;
}

.reviewer-avatar-ca24f8 {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.reviewer-details-f9a02f {
    flex: 1;
}

.reviewer-name-6137bc {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.reviewer-company-eda5e3 {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-rating-68ff61 {
    color: var(--primary-color);
    font-size: 14px;
}

.review-content-246d52 {
    margin-bottom: 20px;
}

.review-content-246d52 p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.review-footer-0b6069 {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 13px;
    color: var(--text-light);
}

.review-date-5b0315 {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== 联系我们 ==================== */
.contact-a8727c {
    padding: 120px 0;
    background: var(--bg-color);
}

.contact-wrapper-ba44b8 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-404ba8 {
    padding: 20px;
}

.contact-subtitle-530514 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.contact-details-84e8eb {
    margin: 40px 0;
}

.contact-item-24bc27 {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-icon-d51948 {
    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-d51948 i {
    font-size: 20px;
    color: var(--text-white);
}

.contact-text-2fe0be h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-text-2fe0be p {
    font-size: 15px;
    color: var(--text-secondary);
}

.social-links-111d79 {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

.social-link-76a7da {
    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-76a7da:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.contact-form-wrapper-3b8cb1 {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-title-55222d {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
}

.form-row-37de92 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-ec0500 {
    margin-bottom: 20px;
}

.form-group-ec0500 label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group-ec0500 input,
.form-group-ec0500 select,
.form-group-ec0500 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-ec0500 input:focus,
.form-group-ec0500 select:focus,
.form-group-ec0500 textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

.form-group-ec0500 textarea {
    resize: vertical;
    min-height: 120px;
}

.flink-section-1b37fe {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-1b89e3{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-1b37fe li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-1b37fe a{
    color: #718096;
    text-decoration: none;
}

/* ==================== 页脚 ==================== */
.footer-cfac41 {
    background: var(--secondary-dark);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-content-678d23 {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand-a1351f .logo-88cfdf {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-desc-3f6919 {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links-616abb {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column-6bcc99 h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.footer-column-6bcc99 ul li {
    margin-bottom: 12px;
}

.footer-column-6bcc99 ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-column-6bcc99 ul a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.footer-bottom-963195 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-963195 p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top-86f100 {
    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-86f100.visible-0d9b9a {
    opacity: 1;
    visibility: visible;
}

.back-to-top-86f100:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .services-grid-d676c7,
    .advantages-grid-c54413,
    .products-grid-8c5e8f,
    .news-grid-9937cc {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrapper-9ce013,
    .contact-wrapper-ba44b8 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-149255 {
        order: -1;
    }
    
    .footer-content-678d23 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links-40b42a {
        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-40b42a.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links-40b42a a {
        padding: 16px;
        border-bottom: 1px solid var(--border-light);
    }
    
    .hamburger-ded150 {
        display: block;
    }
    
    .hero-3e1283 {
        min-height: 600px;
    }
    
    .hero-title-be1e67 {
        font-size: 36px;
    }
    
    .hero-subtitle-9f9360 {
        font-size: 16px;
    }
    
    .section-title-1388d7 {
        font-size: 32px;
    }
    
    .services-grid-d676c7,
    .advantages-grid-c54413,
    .products-grid-8c5e8f,
    .news-grid-9937cc,
    .reviews-grid-0e368c {
        grid-template-columns: 1fr;
    }
    
    .about-stats-2066d2 {
        grid-template-columns: 1fr;
    }
    
    .form-row-37de92 {
        grid-template-columns: 1fr;
    }
    
    .footer-links-616abb {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stat-item-c36a24 {
        padding: 16px;
    }
    
    .stat-number-202dd1 {
        font-size: 28px;
    }
    
    .product-image-ec12a6 {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container-f9840c {
        padding: 0 15px;
    }
    
    .hero-title-be1e67 {
        font-size: 28px;
    }
    
    .hero-buttons-04f4d0 {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-42d086 {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title-1388d7 {
        font-size: 26px;
    }
    
    .service-card-2e695c,
    .advantage-card-74833a {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper-3b8cb1 {
        padding: 24px;
    }
    
    .review-card-93a972 {
        padding: 24px;
    }
}