/* ==================== 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-bd9021 {
    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-05d4cb {
    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-9b4506 {
    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-9b4506:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

.btn-secondary-05fe23 {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary-05fe23:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-block-659c36 {
    width: 100%;
}

/* ==================== 顶部导航 ==================== */
.header-24c4a3 {
    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-24c4a3.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-e9f191 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-afef3c {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-afef3c i {
    font-size: 32px;
}

.nav-links-c29d00 {
    display: flex;
    gap: 8px;
}

.nav-links-c29d00 a {
    padding: 10px 16px;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-links-c29d00 a:hover {
    color: var(--primary-color);
    background: rgba(201, 169, 98, 0.1);
}

.hamburger-326be4 {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ==================== 横幅区域 ==================== */
.hero-39f496 {
    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-39f496::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-122dea {
    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-85c5fd {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title-c01993 {
    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-c68aa8 {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons-c017e1 {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 章节头部 ==================== */
.section-header-d75479 {
    text-align: center;
    margin-bottom: 60px;
}

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

.section-title-edddea::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-956b1b {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.7;
}

/* ==================== 服务内容 ==================== */
.services-38e37d {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-grid-e76fd0 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-3c877d {
    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-3c877d:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon-047343 {
    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-3c877d:hover .service-icon-047343 {
    transform: scale(1.1) rotate(5deg);
}

.service-icon-047343 i {
    font-size: 32px;
    color: var(--text-white);
}

.service-title-b39949 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-content-d54334 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 服务优势 ==================== */
.advantages-717f52 {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-color) 100%);
}

.advantages-grid-0fbf9d {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card-c757f7 {
    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-c757f7::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-c757f7:hover::before {
    transform: scaleX(1);
}

.advantage-card-c757f7:hover {
    box-shadow: var(--shadow-lg);
}

.advantage-number-8981d7 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    right: 20px;
}

.advantage-title-97523d {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.advantage-content-66ad0b {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==================== 产品案例 ==================== */
.products-ccd19b {
    padding: 120px 0;
    background: var(--secondary-color);
}

.products-ccd19b .section-title-edddea {
    color: var(--text-white);
}

.products-ccd19b .section-subtitle-956b1b {
    color: rgba(255, 255, 255, 0.7);
}

.products-grid-44290b {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card-aea602 {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-light);
    transition: var(--transition-normal);
}

.product-card-aea602:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image-70685b {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image-70685b img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card-aea602:hover .product-image-70685b img {
    transform: scale(1.1);
}

.product-overlay-fbde45 {
    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-aea602:hover .product-overlay-fbde45 {
    opacity: 1;
}

.product-overlay-fbde45 i {
    font-size: 32px;
    color: var(--primary-color);
}

.product-info-c4ffb2 {
    padding: 24px;
    background: var(--bg-light);
}

.product-title-6c0c79 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-desc-ba2571 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 关于我们 ==================== */
.about-a632fd {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-wrapper-871dcd {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-64fcb0 {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-64fcb0 img {
    width: 100%;
    height: auto;
}

.about-content-d914d8 {
    padding: 20px;
}

.about-header-8ca5dd {
    text-align: left;
    margin-bottom: 30px;
}

.about-header-8ca5dd .section-title-edddea::after {
    left: 0;
    transform: none;
}

.about-intro-059fbb {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text-b59fde {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 40px;
}

.about-stats-dfe065 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item-1aa586 {
    text-align: center;
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-item-1aa586:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number-17ee54 {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label-c0c0d3 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 新闻资讯 ==================== */
.news-322bc9 {
    padding: 120px 0;
    background: var(--bg-dark);
}

.news-grid-771bb4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-c33f04 {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.news-card-c33f04:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image-cfb9d2 {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image-cfb9d2 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card-c33f04:hover .news-image-cfb9d2 img {
    transform: scale(1.1);
}

.news-date-9fa22e {
    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-97ea56 {
    display: block;
    font-size: 20px;
    font-weight: 700;
}

.date-month-3dbf3a {
    font-size: 12px;
    opacity: 0.9;
}

.news-content-fa7fb5 {
    padding: 24px;
}

.news-title-e4f5dd {
    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-5d0a80 {
    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-87a82e {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

.news-time-185bc8 {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-readmore-2b388a {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.news-readmore-2b388a:hover {
    gap: 10px;
}

/* ==================== 常见问题 ==================== */
.faq-aa5eed {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-list-61f6e0 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-372457 {
    margin-bottom: 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.faq-item-372457:hover {
    border-color: var(--primary-color);
}

.faq-question-c181ca {
    display: flex;
    align-items: center;
    padding: 24px;
    background: var(--bg-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question-c181ca:hover {
    background: rgba(201, 169, 98, 0.05);
}

.faq-icon-d8e6b4 {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 16px;
}

.faq-text-a29571 {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle-f95ca8 {
    color: var(--primary-color);
    font-size: 16px;
    transition: var(--transition-fast);
}

.faq-item-372457.active .faq-toggle-f95ca8 {
    transform: rotate(180deg);
}

.faq-answer-230031 {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item-372457.active .faq-answer-230031 {
    max-height: 300px;
}

.faq-answer-230031 p {
    padding: 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    background: var(--bg-light);
}

/* ==================== 客户评价 ==================== */
.reviews-6796b6 {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.reviews-6796b6 .section-title-edddea {
    color: var(--text-white);
}

.reviews-6796b6 .section-subtitle-956b1b {
    color: rgba(255, 255, 255, 0.7);
}

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

.review-card-0ee04c {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.review-card-0ee04c:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.review-header-bade69 {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.reviewer-info-6c6114 {
    display: flex;
    align-items: center;
    gap: 16px;
}

.reviewer-avatar-468e53 {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.reviewer-details-95ef47 {
    flex: 1;
}

.reviewer-name-5d9ac0 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.reviewer-company-11be2f {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-rating-214ba3 {
    color: var(--primary-color);
    font-size: 14px;
}

.review-content-4ba141 {
    margin-bottom: 20px;
}

.review-content-4ba141 p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.review-footer-d33c23 {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 13px;
    color: var(--text-light);
}

.review-date-03fbaf {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== 联系我们 ==================== */
.contact-8d5909 {
    padding: 120px 0;
    background: var(--bg-color);
}

.contact-wrapper-075878 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-8148e2 {
    padding: 20px;
}

.contact-subtitle-23cd02 {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.contact-details-210850 {
    margin: 40px 0;
}

.contact-item-5fec36 {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-icon-690eef {
    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-690eef i {
    font-size: 20px;
    color: var(--text-white);
}

.contact-text-32dcaf h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-text-32dcaf p {
    font-size: 15px;
    color: var(--text-secondary);
}

.social-links-2242a2 {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

.social-link-3bc7da {
    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-3bc7da:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.contact-form-wrapper-6d0525 {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-title-70d700 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
}

.form-row-6e494f {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-fd3049 {
    margin-bottom: 20px;
}

.form-group-fd3049 label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group-fd3049 input,
.form-group-fd3049 select,
.form-group-fd3049 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-fd3049 input:focus,
.form-group-fd3049 select:focus,
.form-group-fd3049 textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

.form-group-fd3049 textarea {
    resize: vertical;
    min-height: 120px;
}

.flink-section-f5e867 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-6af14a{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-f5e867 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-f5e867 a{
    color: #718096;
    text-decoration: none;
}

/* ==================== 页脚 ==================== */
.footer-bde2bd {
    background: var(--secondary-dark);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-content-4db1da {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand-00db38 .logo-afef3c {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-desc-f37c28 {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links-43de6a {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column-64c003 h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.footer-column-64c003 ul li {
    margin-bottom: 12px;
}

.footer-column-64c003 ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-column-64c003 ul a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.footer-bottom-df08cd {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-df08cd p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top-1abd70 {
    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-1abd70.visible-721646 {
    opacity: 1;
    visibility: visible;
}

.back-to-top-1abd70:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .services-grid-e76fd0,
    .advantages-grid-0fbf9d,
    .products-grid-44290b,
    .news-grid-771bb4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrapper-871dcd,
    .contact-wrapper-075878 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-64fcb0 {
        order: -1;
    }
    
    .footer-content-4db1da {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links-c29d00 {
        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-c29d00.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links-c29d00 a {
        padding: 16px;
        border-bottom: 1px solid var(--border-light);
    }
    
    .hamburger-326be4 {
        display: block;
    }
    
    .hero-39f496 {
        min-height: 600px;
    }
    
    .hero-title-c01993 {
        font-size: 36px;
    }
    
    .hero-subtitle-c68aa8 {
        font-size: 16px;
    }
    
    .section-title-edddea {
        font-size: 32px;
    }
    
    .services-grid-e76fd0,
    .advantages-grid-0fbf9d,
    .products-grid-44290b,
    .news-grid-771bb4,
    .reviews-grid-2faaca {
        grid-template-columns: 1fr;
    }
    
    .about-stats-dfe065 {
        grid-template-columns: 1fr;
    }
    
    .form-row-6e494f {
        grid-template-columns: 1fr;
    }
    
    .footer-links-43de6a {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stat-item-1aa586 {
        padding: 16px;
    }
    
    .stat-number-17ee54 {
        font-size: 28px;
    }
    
    .product-image-70685b {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container-bd9021 {
        padding: 0 15px;
    }
    
    .hero-title-c01993 {
        font-size: 28px;
    }
    
    .hero-buttons-c017e1 {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-05d4cb {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title-edddea {
        font-size: 26px;
    }
    
    .service-card-3c877d,
    .advantage-card-c757f7 {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper-6d0525 {
        padding: 24px;
    }
    
    .review-card-0ee04c {
        padding: 24px;
    }
}