/* ===================================
   香烟批发官网 - 高级定制CSS样式表
   =================================== */

/* CSS 变量定义 - 可自定义主题颜色 */
:root {
    --primary-color: rgb(44, 62, 80);
    --primary-dark: rgb(30, 42, 54);
    --primary-light: rgb(58, 78, 96);
    --accent-color: #c9a227;
    --accent-light: #d4b445;
    --text-dark: #2c3e50;
    --text-gray: #6c757d;
    --text-light: #95a5a6;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.3s ease;
    --transition-slow: 0.5s ease;
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* ===================================
   重置与基础样式
   =================================== */
* {
    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: 1.8;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul, li {
    list-style: none;
}

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

.container-5f3d4c {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   按钮样式
   =================================== */
.btn-aae729 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn-primary-79124c {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary-79124c:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-b5195a {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary-b5195a:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-outline-04f6f5 {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 28px;
}

.btn-outline-04f6f5:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-block-a5e0bb {
    width: 100%;
}

/* ===================================
   顶部导航栏
   =================================== */
.header-a54bb3 {
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.header-a54bb3.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content-3f0fad {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-2cdbfe {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img-597614 {
    height: 45px;
    width: auto;
}

.brand-name-4a02bc {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu-f6e183 {
    display: flex;
    gap: 8px;
}

.nav-link-731e7f {
    padding: 10px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link-731e7f::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition-fast);
}

.nav-link-731e7f:hover,
.nav-link-731e7f.active {
    color: var(--primary-color);
    background: rgba(44, 62, 80, 0.05);
}

.nav-link-731e7f:hover::after,
.nav-link-731e7f.active::after {
    width: 20px;
}

.mobile-menu-btn-847eb1 {
    display: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px;
}

/* ===================================
   首页横幅区域
   =================================== */
.hero-0ef379 {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    overflow: hidden;
}

.hero-0ef379::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url(../images/hero-bg.jpg) center / cover;
    animation: float 20s linear infinite;
    opacity: 0.1;
}

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

.hero-overlay-bd39a6 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(201, 162, 39, 0.1) 0%, transparent 50%);
}

.hero-content-745946 {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-title-e71714 {
    font-size: 56px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle-fbc742 {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.9;
}

.hero-buttons-04b69c {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-127854 {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero-scroll-127854 a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255,0.1);
    color: var(--white);
    font-size: 20px;
    animation: bounce 2s infinite;
    transition: all var(--transition-fast);
}

.hero-scroll-127854 a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===================================
   通用区块样式
   =================================== */
.section-fa0f85 {
    padding: 100px 0;
}

.section-header-6f2f11 {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-left-3bf9ec {
    text-align: left;
    margin-bottom: 30px;
}

.section-title-01945a {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-01945a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-header-left-3bf9ec .section-title-01945a::after {
    left: 0;
    transform: none;
}

.section-subtitle-4d3e79 {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-header-left-3bf9ec .section-subtitle-4d3e79 {
    margin: 0;
}

/* ===================================
   产品展示区域
   =================================== */
.products-section-14585e {
    background: var(--bg-light);
}

.products-grid-1e9ccb {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card-20d958 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.product-card-20d958:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image-7aa7a1 {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-image-7aa7a1 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card-20d958:hover .product-image-7aa7a1 img {
    transform: scale(1.08);
}

.product-badge-7480f4 {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 6px 14px;
    background: var(--accent-color);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}

.product-info-74c96d {
    padding: 24px;
}

.product-title-2bab45 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.product-desc-3d98c4 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-link-c84037 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.product-link-c84037:hover {
    color: var(--accent-color);
    gap: 12px;
}

/* ===================================
   服务优势区域
   =================================== */
.services-section-91f731 {
    background: var(--white);
}

.services-grid-29aabc {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-8dad95 {
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.service-card-8dad95::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.service-card-8dad95:hover::before {
    transform: scaleX(1);
}

.service-card-8dad95:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon-902c94 {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    color: var(--white);
    font-size: 32px;
    transition: all var(--transition-fast);
}

.service-card-8dad95:hover .service-icon-902c94 {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    transform: rotateY(180deg);
}

.service-title-7c07ae {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.service-desc-8aa375 {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   关于我们区域
   =================================== */
.about-section-f53e04 {
    background: var(--bg-light);
}

.about-content-40ff51 {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-49d4f0 {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-49d4f0 img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text-401d14 {
    padding: 20px 0;
}

.about-intro-9337df {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.about-detail-06c0a4 {
    margin-bottom: 30px;
}

.about-detail-06c0a4 p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-stats-2ffa4b {
    display: flex;
    gap: 40px;
}

.stat-item-a7ca42 {
    text-align: center;
}

.stat-number-53799f {
    display: block;
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label-36d9a1 {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===================================
   产品案例区域
   =================================== */
.cases-section-397162 {
    background: var(--white);
}

.cases-grid-6d36fc {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card-c50764 {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.case-image-8679bf {
    width: 100%;
    height: 100%;
    position: relative;
}

.case-image-8679bf img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-card-c50764:hover .case-image-8679bf img {
    transform: scale(1.1);
}

.case-overlay-a23633 {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(44, 62, 80, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.case-card-c50764:hover .case-overlay-a23633 {
    opacity: 1;
}

.case-info-e98624 h4 {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-info-e98624 p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* ===================================
   新闻资讯区域
   =================================== */
.news-section-705441 {
    background: var(--bg-light);
}

.news-grid-7bba06 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-319ea0 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.news-card-319ea0:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-image-3333fd {
    height: 200px;
    overflow: hidden;
}

.news-image-3333fd img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card-319ea0:hover .news-image-3333fd img {
    transform: scale(1.08);
}

.news-content-762a4e {
    padding: 24px;
}

.news-meta-863d54 {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.news-meta-863d54 i {
    margin-right: 4px;
}

.news-title-d2872a {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.news-card-319ea0:hover .news-title-d2872a {
    color: var(--accent-color);
}

.news-summary-409fb6 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-link-f9390f {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.news-link-f9390f:hover {
    color: var(--accent-color);
    gap: 12px;
}

.news-more-51df47 {
    text-align: center;
    margin-top: 50px;
}

/* ===================================
   常见问题区域
   =================================== */
.faq-section-5524f1 {
    background: var(--white);
}

.faq-list-3b64ff {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-d69152 {
    margin-bottom: 16px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(44, 62, 80, 0.1);
}

.faq-question-cae6e5 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 30px;
    background: var(--bg-light);
    cursor: pointer;
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.faq-question-cae6e5:hover {
    background: rgba(44, 62, 80, 0.05);
    color: var(--accent-color);
}

.faq-question-cae6e5 i {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.faq-item-d69152.active .faq-question-cae6e5 i {
    transform: rotate(45deg);
}

.faq-answer-08e68f {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item-d69152.active .faq-answer-08e68f {
    max-height: 300px;
}

.faq-answer-08e68f p {
    padding: 24px 30px;
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    background: var(--white);
}

/* ===================================
   客户评价区域
   =================================== */
.reviews-section-7b7508 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 100px 0;
}

.reviews-section-7b7508 .section-title-01945a {
    color: var(--white);
}

.reviews-section-7b7508 .section-subtitle-4d3e79 {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-cd0b0e {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-959ec6 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.review-card-959ec6:hover {
    transform: translateY(-5px);
}

.review-header-5e45a3 {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.reviewer-avatar-46ba64 {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-color);
}

.reviewer-name-aa82dd {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.reviewer-company-0793e6 {
    font-size: 13px;
    color: var(--text-gray);
}

.review-rating-11d5eb {
    margin-bottom: 16px;
}

.review-rating-11d5eb i {
    color: var(--accent-color);
    font-size: 14px;
    margin-right: 2px;
}

.review-content-ba2a9e p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.review-content-ba2a9e p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -5px;
    font-size: 40px;
    color: var(--accent-color);
    font-family: Georgia, serif;
    line-height: 1;
}

/* ===================================
   联系我们区域
   =================================== */
.contact-section-198d4f {
    background: var(--bg-light);
}

.contact-content-1fafff {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-318e3c {
    padding: 40px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-item-fe30db {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(44, 62, 80, 0.08);
}

.contact-item-fe30db:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-icon-9362a5 {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    color: var(--white);
    font-size: 20px;
    flex-shrink: 0;
}

.contact-text-60af8c h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.contact-text-60af8c p {
    font-size: 14px;
    color: var(--text-gray);
}

.contact-social-c5f538 {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(44, 62, 80, 0.08);
}

.social-link-4dccd4 {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 18px;
    transition: all var(--transition-fast);
}

.social-link-4dccd4:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper-a46319 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-123dee .form-group-155b17 {
    margin-bottom: 20px;
}

.contact-form-123dee input,
.contact-form-123dee select,
.contact-form-123dee textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 15px;
    border: 2px solid rgba(44, 62, 80, 0.1);
    border-radius: var(--border-radius);
    outline: none;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.contact-form-123dee input:focus,
.contact-form-123dee select:focus,
.contact-form-123dee textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(44, 62, 80, 0.1);
}

.contact-form-123dee textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form-123dee select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3-a50a73.org/2000/svg" width="12" height="12" viewBox="0 0 12 12"><path fill="%232c3e50" d="M6 8L1 3h10z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 20px center;
}

.flink-section-b4c88f {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-165d0b{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-b4c88f li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-b4c88f a{
    color: #718096;
    text-decoration: none;
}

/* ===================================
   页脚区域
   =================================== */
.footer-faed5c {
    background: var(--bg-dark);
    padding: 70px 0 30px;
}

.footer-content-94d069 {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand-396f2a {
    padding-right: 20px;
}

.footer-logo-9dcfb5 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-9dcfb5 img {
    height: 36px;
    width: auto;
}

.footer-logo-9dcfb5 span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-desc-c1414f {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-links-59ffd4 h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 24px;
    position: relative;
}

.footer-links-59ffd4 h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links-59ffd4 ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-59ffd4 a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer-links-59ffd4 a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom-d21738 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-d21738 p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

/* ===================================
   返回顶部按钮
   =================================== */
.back-to-top-31f8df {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.back-to-top-31f8df.visible-821fc3 {
    opacity: 1;
    visibility: visible;
}

.back-to-top-31f8df:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* ===================================
   响应式设计 - 平板设备
   =================================== */
@media (max-width: 1024px) {
    .hero-title-e71714 {
        font-size: 44px;
    }

    .hero-subtitle-fbc742 {
        font-size: 18px;
    }

    .products-grid-1e9ccb,
    .services-grid-29aabc,
    .news-grid-7bba06,
    .reviews-grid-cd0b0e {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid-6d36fc {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content-40ff51,
    .contact-content-1fafff {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-49d4f0 {
        order: -1;
    }

    .footer-content-94d069 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   响应式设计 - 移动设备
   =================================== */
@media (max-width: 768px) {
    .header-content-3f0fad {
        height: 70px;
    }

    .nav-menu-f6e183 {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        opacity: 0;
        transition: all var(--transition-fast);
    }

    .nav-menu-f6e183.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link-731e7f {
        padding: 14px 20px;
        border-radius: 8px;
    }

    .mobile-menu-btn-847eb1 {
        display: block;
    }

    .hero-0ef379 {
        min-height: 100vh;
        padding: 100px 0 60px;
    }

    .hero-title-e71714 {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero-subtitle-fbc742 {
        font-size: 16px;
    }

    .hero-buttons-04b69c {
        flex-direction: column;
        align-items: center;
    }

    .btn-aae729 {
        width: 100%;
        max-width: 280px;
    }

    .section-fa0f85 {
        padding: 70px 0;
    }

    .section-title-01945a {
        font-size: 28px;
    }

    .products-grid-1e9ccb,
    .services-grid-29aabc,
    .news-grid-7bba06,
    .reviews-grid-cd0b0e {
        grid-template-columns: 1fr;
    }

    .cases-grid-6d36fc {
        grid-template-columns: 1fr;
    }

    .about-stats-2ffa4b {
        justify-content: space-around;
    }

    .stat-number-53799f {
        font-size: 32px;
    }

    .contact-info-318e3c,
    .contact-form-wrapper-a46319 {
        padding: 30px 20px;
    }

    .footer-content-94d069 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-brand-396f2a {
        padding-right: 0;
    }

    .back-to-top-31f8df {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .hero-scroll-127854 {
        display: none;
    }
}

/* ===================================
   小屏幕设备优化
   =================================== */
@media (max-width: 480px) {
    .container-5f3d4c {
        padding: 0 15px;
    }

    .hero-title-e71714 {
        font-size: 26px;
    }

    .section-title-01945a {
        font-size: 24px;
    }

    .product-card-20d958,
    .service-card-8dad95,
    .news-card-319ea0,
    .review-card-959ec6 {
        padding: 20px;
    }

    .about-stats-2ffa4b {
        flex-direction: column;
        gap: 24px;
    }

    .stat-item-a7ca42 {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .stat-number-53799f {
        font-size: 36px;
    }

    .stat-label-36d9a1 {
        font-size: 14px;
    }

    .faq-question-cae6e5 {
        padding: 20px;
        font-size: 15px;
    }

    .faq-answer-08e68f p {
        padding: 20px;
    }
}

/* ===================================
   动画辅助类
   =================================== */
.fade-in-751d11 {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-751d11.visible-821fc3 {
    opacity: 1;
    transform: translateY(0);
}

/* 滚动显示动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll-70c4f8 {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}