/* ==================== 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-32c859 {
    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-f81821 {
    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-2348ac {
    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-2348ac:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

.btn-secondary-eab6a7 {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary-eab6a7:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-block-f9424e {
    width: 100%;
}

/* ==================== 顶部导航 ==================== */
.header-e66f70 {
    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-e66f70.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-0d9247 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-cb351c {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-cb351c i {
    font-size: 32px;
}

.nav-links-8b28e7 {
    display: flex;
    gap: 8px;
}

.nav-links-8b28e7 a {
    padding: 10px 16px;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-links-8b28e7 a:hover {
    color: var(--primary-color);
    background: rgba(201, 169, 98, 0.1);
}

.hamburger-743ed7 {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ==================== 横幅区域 ==================== */
.hero-f7ec19 {
    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-f7ec19::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-76317f {
    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-a2c1c0 {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title-4329d6 {
    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-14a49f {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons-427a0a {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 章节头部 ==================== */
.section-header-8d089f {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-43f897 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-43f897::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-e7ab84 {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.7;
}

/* ==================== 服务内容 ==================== */
.services-e49f99 {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-grid-b72704 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-e2334f {
    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-e2334f:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon-cb7842 {
    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-e2334f:hover .service-icon-cb7842 {
    transform: scale(1.1) rotate(5deg);
}

.service-icon-cb7842 i {
    font-size: 32px;
    color: var(--text-white);
}

.service-title-eb95aa {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-content-aa745c {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 服务优势 ==================== */
.advantages-01c2b0 {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-color) 100%);
}

.advantages-grid-0afe2f {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card-d8e0c9 {
    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-d8e0c9::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-d8e0c9:hover::before {
    transform: scaleX(1);
}

.advantage-card-d8e0c9:hover {
    box-shadow: var(--shadow-lg);
}

.advantage-number-9d927c {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    right: 20px;
}

.advantage-title-f2bed9 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.advantage-content-312118 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==================== 产品案例 ==================== */
.products-49fc31 {
    padding: 120px 0;
    background: var(--secondary-color);
}

.products-49fc31 .section-title-43f897 {
    color: var(--text-white);
}

.products-49fc31 .section-subtitle-e7ab84 {
    color: rgba(255, 255, 255, 0.7);
}

.products-grid-6d1c34 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card-a06f53 {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-light);
    transition: var(--transition-normal);
}

.product-card-a06f53:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image-cbd674 {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image-cbd674 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card-a06f53:hover .product-image-cbd674 img {
    transform: scale(1.1);
}

.product-overlay-137fae {
    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-a06f53:hover .product-overlay-137fae {
    opacity: 1;
}

.product-overlay-137fae i {
    font-size: 32px;
    color: var(--primary-color);
}

.product-info-bd5171 {
    padding: 24px;
    background: var(--bg-light);
}

.product-title-4139d7 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-desc-42e1e8 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 关于我们 ==================== */
.about-6a77fd {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-wrapper-7e6d0f {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-39d14a {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-39d14a img {
    width: 100%;
    height: auto;
}

.about-content-6a6c63 {
    padding: 20px;
}

.about-header-ab65ee {
    text-align: left;
    margin-bottom: 30px;
}

.about-header-ab65ee .section-title-43f897::after {
    left: 0;
    transform: none;
}

.about-intro-deea90 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text-6bdf65 {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 40px;
}

.about-stats-42816c {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item-07da49 {
    text-align: center;
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-item-07da49:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number-4912a6 {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label-faad7e {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 新闻资讯 ==================== */
.news-32b88c {
    padding: 120px 0;
    background: var(--bg-dark);
}

.news-grid-24709a {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-30657a {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.news-card-30657a:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image-23e93a {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image-23e93a img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card-30657a:hover .news-image-23e93a img {
    transform: scale(1.1);
}

.news-date-5bf31e {
    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-21fb01 {
    display: block;
    font-size: 20px;
    font-weight: 700;
}

.date-month-1f07ae {
    font-size: 12px;
    opacity: 0.9;
}

.news-content-537820 {
    padding: 24px;
}

.news-title-f9c569 {
    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-aff4ba {
    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-586814 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

.news-time-b0c3a7 {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-readmore-cb7e2e {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.news-readmore-cb7e2e:hover {
    gap: 10px;
}

/* ==================== 常见问题 ==================== */
.faq-4e4ff0 {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-list-a2c495 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-f7d466 {
    margin-bottom: 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.faq-item-f7d466:hover {
    border-color: var(--primary-color);
}

.faq-question-214151 {
    display: flex;
    align-items: center;
    padding: 24px;
    background: var(--bg-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question-214151:hover {
    background: rgba(201, 169, 98, 0.05);
}

.faq-icon-015dd1 {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 16px;
}

.faq-text-b1f5af {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle-8dee90 {
    color: var(--primary-color);
    font-size: 16px;
    transition: var(--transition-fast);
}

.faq-item-f7d466.active .faq-toggle-8dee90 {
    transform: rotate(180deg);
}

.faq-answer-a1d58c {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item-f7d466.active .faq-answer-a1d58c {
    max-height: 300px;
}

.faq-answer-a1d58c p {
    padding: 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    background: var(--bg-light);
}

/* ==================== 客户评价 ==================== */
.reviews-798d31 {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.reviews-798d31 .section-title-43f897 {
    color: var(--text-white);
}

.reviews-798d31 .section-subtitle-e7ab84 {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-61dec0 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-961cd7 {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.review-card-961cd7:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.review-header-ade8b2 {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.reviewer-info-27d510 {
    display: flex;
    align-items: center;
    gap: 16px;
}

.reviewer-avatar-602ef1 {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.reviewer-details-1050c9 {
    flex: 1;
}

.reviewer-name-0a998e {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.reviewer-company-e96407 {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-rating-b0a78e {
    color: var(--primary-color);
    font-size: 14px;
}

.review-content-42c269 {
    margin-bottom: 20px;
}

.review-content-42c269 p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.review-footer-454f3f {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 13px;
    color: var(--text-light);
}

.review-date-52a9b4 {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== 联系我们 ==================== */
.contact-d2f774 {
    padding: 120px 0;
    background: var(--bg-color);
}

.contact-wrapper-20f641 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-76194b {
    padding: 20px;
}

.contact-subtitle-e4624c {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.contact-details-b5f547 {
    margin: 40px 0;
}

.contact-item-053584 {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-icon-7f26b5 {
    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-7f26b5 i {
    font-size: 20px;
    color: var(--text-white);
}

.contact-text-795312 h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-text-795312 p {
    font-size: 15px;
    color: var(--text-secondary);
}

.social-links-6fc240 {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

.social-link-b55e3b {
    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-b55e3b:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.contact-form-wrapper-f55f62 {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-title-8363e9 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
}

.form-row-472405 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-64e873 {
    margin-bottom: 20px;
}

.form-group-64e873 label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group-64e873 input,
.form-group-64e873 select,
.form-group-64e873 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-64e873 input:focus,
.form-group-64e873 select:focus,
.form-group-64e873 textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

.form-group-64e873 textarea {
    resize: vertical;
    min-height: 120px;
}

.flink-section-abf653 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-b0cbf1{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-abf653 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-abf653 a{
    color: #718096;
    text-decoration: none;
}

/* ==================== 页脚 ==================== */
.footer-e99724 {
    background: var(--secondary-dark);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-content-a1a93e {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand-a8d901 .logo-cb351c {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-desc-f5b815 {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links-d7cd06 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column-eadd37 h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.footer-column-eadd37 ul li {
    margin-bottom: 12px;
}

.footer-column-eadd37 ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-column-eadd37 ul a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.footer-bottom-04f279 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-04f279 p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top-e76a5a {
    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-e76a5a.visible-d1b7a0 {
    opacity: 1;
    visibility: visible;
}

.back-to-top-e76a5a:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .services-grid-b72704,
    .advantages-grid-0afe2f,
    .products-grid-6d1c34,
    .news-grid-24709a {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrapper-7e6d0f,
    .contact-wrapper-20f641 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-39d14a {
        order: -1;
    }
    
    .footer-content-a1a93e {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links-8b28e7 {
        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-8b28e7.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links-8b28e7 a {
        padding: 16px;
        border-bottom: 1px solid var(--border-light);
    }
    
    .hamburger-743ed7 {
        display: block;
    }
    
    .hero-f7ec19 {
        min-height: 600px;
    }
    
    .hero-title-4329d6 {
        font-size: 36px;
    }
    
    .hero-subtitle-14a49f {
        font-size: 16px;
    }
    
    .section-title-43f897 {
        font-size: 32px;
    }
    
    .services-grid-b72704,
    .advantages-grid-0afe2f,
    .products-grid-6d1c34,
    .news-grid-24709a,
    .reviews-grid-61dec0 {
        grid-template-columns: 1fr;
    }
    
    .about-stats-42816c {
        grid-template-columns: 1fr;
    }
    
    .form-row-472405 {
        grid-template-columns: 1fr;
    }
    
    .footer-links-d7cd06 {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stat-item-07da49 {
        padding: 16px;
    }
    
    .stat-number-4912a6 {
        font-size: 28px;
    }
    
    .product-image-cbd674 {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container-32c859 {
        padding: 0 15px;
    }
    
    .hero-title-4329d6 {
        font-size: 28px;
    }
    
    .hero-buttons-427a0a {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-f81821 {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title-43f897 {
        font-size: 26px;
    }
    
    .service-card-e2334f,
    .advantage-card-d8e0c9 {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper-f55f62 {
        padding: 24px;
    }
    
    .review-card-961cd7 {
        padding: 24px;
    }
}