/* ==================== 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-4b60ec {
    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-803a5a {
    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-74faf2 {
    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-74faf2:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 98, 0.5);
}

.btn-secondary-b2731e {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary-b2731e:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-block-1938cb {
    width: 100%;
}

/* ==================== 顶部导航 ==================== */
.header-997d4a {
    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-997d4a.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-6c8099 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-635522 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-635522 i {
    font-size: 32px;
}

.nav-links-2ef6ec {
    display: flex;
    gap: 8px;
}

.nav-links-2ef6ec a {
    padding: 10px 16px;
    color: var(--text-primary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-links-2ef6ec a:hover {
    color: var(--primary-color);
    background: rgba(201, 169, 98, 0.1);
}

.hamburger-87bcec {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-primary);
}

/* ==================== 横幅区域 ==================== */
.hero-eec38a {
    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-eec38a::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-e16b44 {
    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-d3f415 {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    padding: 0 20px;
}

.hero-title-13da5b {
    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-3c6ccf {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons-b59ed8 {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==================== 章节头部 ==================== */
.section-header-547555 {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-2a2cb1 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-2a2cb1::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-742acc {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.7;
}

/* ==================== 服务内容 ==================== */
.services-3afaec {
    padding: 120px 0;
    background: var(--bg-light);
}

.services-grid-4f3310 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-0600b1 {
    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-0600b1:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-icon-21bd2a {
    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-0600b1:hover .service-icon-21bd2a {
    transform: scale(1.1) rotate(5deg);
}

.service-icon-21bd2a i {
    font-size: 32px;
    color: var(--text-white);
}

.service-title-82a44c {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-content-47c9f7 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== 服务优势 ==================== */
.advantages-85b9af {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-color) 100%);
}

.advantages-grid-32f28e {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-card-8261cf {
    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-8261cf::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-8261cf:hover::before {
    transform: scaleX(1);
}

.advantage-card-8261cf:hover {
    box-shadow: var(--shadow-lg);
}

.advantage-number-ac9259 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: 20px;
    right: 20px;
}

.advantage-title-eebd8e {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.advantage-content-cf9675 {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==================== 产品案例 ==================== */
.products-917c60 {
    padding: 120px 0;
    background: var(--secondary-color);
}

.products-917c60 .section-title-2a2cb1 {
    color: var(--text-white);
}

.products-917c60 .section-subtitle-742acc {
    color: rgba(255, 255, 255, 0.7);
}

.products-grid-b2c4c1 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card-f674a2 {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-light);
    transition: var(--transition-normal);
}

.product-card-f674a2:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-image-beae50 {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image-beae50 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card-f674a2:hover .product-image-beae50 img {
    transform: scale(1.1);
}

.product-overlay-3bf2f4 {
    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-f674a2:hover .product-overlay-3bf2f4 {
    opacity: 1;
}

.product-overlay-3bf2f4 i {
    font-size: 32px;
    color: var(--primary-color);
}

.product-info-e073a7 {
    padding: 24px;
    background: var(--bg-light);
}

.product-title-08734e {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.product-desc-06e5ca {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 关于我们 ==================== */
.about-5cd6d9 {
    padding: 120px 0;
    background: var(--bg-light);
}

.about-wrapper-2f5371 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-214079 {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-214079 img {
    width: 100%;
    height: auto;
}

.about-content-0f0757 {
    padding: 20px;
}

.about-header-cc1cc1 {
    text-align: left;
    margin-bottom: 30px;
}

.about-header-cc1cc1 .section-title-2a2cb1::after {
    left: 0;
    transform: none;
}

.about-intro-e6649c {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text-95d04d {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 40px;
}

.about-stats-b1179c {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-item-97408d {
    text-align: center;
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-item-97408d:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number-dab36f {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.stat-label-b721d1 {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== 新闻资讯 ==================== */
.news-df95ab {
    padding: 120px 0;
    background: var(--bg-dark);
}

.news-grid-ee22c8 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-be3002 {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.news-card-be3002:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.news-image-1a1100 {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.news-image-1a1100 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.news-card-be3002:hover .news-image-1a1100 img {
    transform: scale(1.1);
}

.news-date-8eac9d {
    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-a93f90 {
    display: block;
    font-size: 20px;
    font-weight: 700;
}

.date-month-100af7 {
    font-size: 12px;
    opacity: 0.9;
}

.news-content-b21699 {
    padding: 24px;
}

.news-title-e0d6aa {
    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-f6fafd {
    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-3749b1 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
}

.news-time-164f7c {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-readmore-19074b {
    color: var(--primary-color);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.news-readmore-19074b:hover {
    gap: 10px;
}

/* ==================== 常见问题 ==================== */
.faq-996140 {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-list-ac7691 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-3bd5b6 {
    margin-bottom: 16px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition-normal);
}

.faq-item-3bd5b6:hover {
    border-color: var(--primary-color);
}

.faq-question-a55db8 {
    display: flex;
    align-items: center;
    padding: 24px;
    background: var(--bg-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question-a55db8:hover {
    background: rgba(201, 169, 98, 0.05);
}

.faq-icon-e4a8e4 {
    color: var(--primary-color);
    font-size: 20px;
    margin-right: 16px;
}

.faq-text-78d31f {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-toggle-b2f0f4 {
    color: var(--primary-color);
    font-size: 16px;
    transition: var(--transition-fast);
}

.faq-item-3bd5b6.active .faq-toggle-b2f0f4 {
    transform: rotate(180deg);
}

.faq-answer-382b0a {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item-3bd5b6.active .faq-answer-382b0a {
    max-height: 300px;
}

.faq-answer-382b0a p {
    padding: 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    background: var(--bg-light);
}

/* ==================== 客户评价 ==================== */
.reviews-baff78 {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
}

.reviews-baff78 .section-title-2a2cb1 {
    color: var(--text-white);
}

.reviews-baff78 .section-subtitle-742acc {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-212c46 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-469d4a {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.review-card-469d4a:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.review-header-2f3ed7 {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.reviewer-info-3a62f3 {
    display: flex;
    align-items: center;
    gap: 16px;
}

.reviewer-avatar-2a29db {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.reviewer-details-46d4bf {
    flex: 1;
}

.reviewer-name-93c179 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.reviewer-company-a404c6 {
    font-size: 14px;
    color: var(--text-secondary);
}

.review-rating-23d293 {
    color: var(--primary-color);
    font-size: 14px;
}

.review-content-9eb982 {
    margin-bottom: 20px;
}

.review-content-9eb982 p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

.review-footer-4cba59 {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 13px;
    color: var(--text-light);
}

.review-date-8e7adc {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ==================== 联系我们 ==================== */
.contact-53dc05 {
    padding: 120px 0;
    background: var(--bg-color);
}

.contact-wrapper-ed33f1 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-0e4ebf {
    padding: 20px;
}

.contact-subtitle-fd4b4e {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.contact-details-24c9ab {
    margin: 40px 0;
}

.contact-item-7c9e5e {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-icon-77669e {
    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-77669e i {
    font-size: 20px;
    color: var(--text-white);
}

.contact-text-072e6b h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-text-072e6b p {
    font-size: 15px;
    color: var(--text-secondary);
}

.social-links-2233df {
    display: flex;
    gap: 16px;
    margin-top: 30px;
}

.social-link-adb5df {
    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-adb5df:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.contact-form-wrapper-8b0883 {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-title-dc4bd3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
}

.form-row-c8ebad {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group-b6b556 {
    margin-bottom: 20px;
}

.form-group-b6b556 label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group-b6b556 input,
.form-group-b6b556 select,
.form-group-b6b556 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-b6b556 input:focus,
.form-group-b6b556 select:focus,
.form-group-b6b556 textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(201, 169, 98, 0.1);
}

.form-group-b6b556 textarea {
    resize: vertical;
    min-height: 120px;
}

.flink-section-163bc2 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-5af2cc{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-163bc2 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-163bc2 a{
    color: #718096;
    text-decoration: none;
}

/* ==================== 页脚 ==================== */
.footer-46fd7b {
    background: var(--secondary-dark);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-content-bc623d {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand-ca9634 .logo-635522 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-desc-6d0135 {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-links-0f046c {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column-116f36 h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.footer-column-116f36 ul li {
    margin-bottom: 12px;
}

.footer-column-116f36 ul a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-column-116f36 ul a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.footer-bottom-b7bce6 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-b7bce6 p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 8px;
}

/* ==================== 返回顶部按钮 ==================== */
.back-to-top-573108 {
    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-573108.visible-e4a4ea {
    opacity: 1;
    visibility: visible;
}

.back-to-top-573108:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .services-grid-4f3310,
    .advantages-grid-32f28e,
    .products-grid-b2c4c1,
    .news-grid-ee22c8 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrapper-2f5371,
    .contact-wrapper-ed33f1 {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image-214079 {
        order: -1;
    }
    
    .footer-content-bc623d {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links-2ef6ec {
        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-2ef6ec.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links-2ef6ec a {
        padding: 16px;
        border-bottom: 1px solid var(--border-light);
    }
    
    .hamburger-87bcec {
        display: block;
    }
    
    .hero-eec38a {
        min-height: 600px;
    }
    
    .hero-title-13da5b {
        font-size: 36px;
    }
    
    .hero-subtitle-3c6ccf {
        font-size: 16px;
    }
    
    .section-title-2a2cb1 {
        font-size: 32px;
    }
    
    .services-grid-4f3310,
    .advantages-grid-32f28e,
    .products-grid-b2c4c1,
    .news-grid-ee22c8,
    .reviews-grid-212c46 {
        grid-template-columns: 1fr;
    }
    
    .about-stats-b1179c {
        grid-template-columns: 1fr;
    }
    
    .form-row-c8ebad {
        grid-template-columns: 1fr;
    }
    
    .footer-links-0f046c {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .stat-item-97408d {
        padding: 16px;
    }
    
    .stat-number-dab36f {
        font-size: 28px;
    }
    
    .product-image-beae50 {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container-4b60ec {
        padding: 0 15px;
    }
    
    .hero-title-13da5b {
        font-size: 28px;
    }
    
    .hero-buttons-b59ed8 {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn-803a5a {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .section-title-2a2cb1 {
        font-size: 26px;
    }
    
    .service-card-0600b1,
    .advantage-card-8261cf {
        padding: 30px 20px;
    }
    
    .contact-form-wrapper-8b0883 {
        padding: 24px;
    }
    
    .review-card-469d4a {
        padding: 24px;
    }
}