/* ===================================
   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-607fef {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   按钮样式
   =================================== */
.btn-637b1d {
    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-281c76 {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary-281c76:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-a964bd {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary-a964bd:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-outline-7214e7 {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 28px;
}

.btn-outline-7214e7:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-block-6eb9be {
    width: 100%;
}

/* ===================================
   顶部导航栏
   =================================== */
.header-299fd1 {
    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-299fd1.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content-acfe6b {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-8dc4a4 {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img-07d5de {
    height: 45px;
    width: auto;
}

.brand-name-fc2cec {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu-fd844e {
    display: flex;
    gap: 8px;
}

.nav-link-bcd229 {
    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-bcd229::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-bcd229:hover,
.nav-link-bcd229.active {
    color: var(--primary-color);
    background: rgba(44, 62, 80, 0.05);
}

.nav-link-bcd229:hover::after,
.nav-link-bcd229.active::after {
    width: 20px;
}

.mobile-menu-btn-0f044b {
    display: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px;
}

/* ===================================
   首页横幅区域
   =================================== */
.hero-495e07 {
    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-495e07::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-7a0830 {
    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-2b4f48 {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-title-acc326 {
    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-9ac068 {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.9;
}

.hero-buttons-c9d98f {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-a9607f {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero-scroll-a9607f 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-a9607f 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-aa4360 {
    padding: 100px 0;
}

.section-header-755add {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-left-a5246d {
    text-align: left;
    margin-bottom: 30px;
}

.section-title-eaef8e {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-eaef8e::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-header-left-a5246d .section-title-eaef8e::after {
    left: 0;
    transform: none;
}

.section-subtitle-f32014 {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-header-left-a5246d .section-subtitle-f32014 {
    margin: 0;
}

/* ===================================
   产品展示区域
   =================================== */
.products-section-37ae17 {
    background: var(--bg-light);
}

.products-grid-8722d4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card-ddd23b {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.product-card-ddd23b:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image-e01384 {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-image-e01384 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card-ddd23b:hover .product-image-e01384 img {
    transform: scale(1.08);
}

.product-badge-a316f6 {
    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-b85413 {
    padding: 24px;
}

.product-title-78ffe7 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.product-desc-814c16 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-link-358f54 {
    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-358f54:hover {
    color: var(--accent-color);
    gap: 12px;
}

/* ===================================
   服务优势区域
   =================================== */
.services-section-6f733d {
    background: var(--white);
}

.services-grid-0563ac {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-c50060 {
    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-c50060::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-c50060:hover::before {
    transform: scaleX(1);
}

.service-card-c50060:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon-46a006 {
    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-c50060:hover .service-icon-46a006 {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    transform: rotateY(180deg);
}

.service-title-4260c0 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.service-desc-852864 {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   关于我们区域
   =================================== */
.about-section-b11ca5 {
    background: var(--bg-light);
}

.about-content-1ad555 {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-87a62f {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-87a62f img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text-3e594d {
    padding: 20px 0;
}

.about-intro-99c8b3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.about-detail-023152 {
    margin-bottom: 30px;
}

.about-detail-023152 p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-stats-b8c245 {
    display: flex;
    gap: 40px;
}

.stat-item-dc94d8 {
    text-align: center;
}

.stat-number-d9fba7 {
    display: block;
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label-6db0c4 {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===================================
   产品案例区域
   =================================== */
.cases-section-d6b3c1 {
    background: var(--white);
}

.cases-grid-18a9d4 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card-220aa5 {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.case-image-95b67f {
    width: 100%;
    height: 100%;
    position: relative;
}

.case-image-95b67f img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-card-220aa5:hover .case-image-95b67f img {
    transform: scale(1.1);
}

.case-overlay-daf81c {
    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-220aa5:hover .case-overlay-daf81c {
    opacity: 1;
}

.case-info-7f206d h4 {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-info-7f206d p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* ===================================
   新闻资讯区域
   =================================== */
.news-section-90f3cf {
    background: var(--bg-light);
}

.news-grid-89a7a1 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-90cf2b {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.news-card-90cf2b:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-image-09450f {
    height: 200px;
    overflow: hidden;
}

.news-image-09450f img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card-90cf2b:hover .news-image-09450f img {
    transform: scale(1.08);
}

.news-content-4a852f {
    padding: 24px;
}

.news-meta-5924d8 {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.news-meta-5924d8 i {
    margin-right: 4px;
}

.news-title-42b9b4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.news-card-90cf2b:hover .news-title-42b9b4 {
    color: var(--accent-color);
}

.news-summary-176114 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-link-d7d68e {
    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-d7d68e:hover {
    color: var(--accent-color);
    gap: 12px;
}

.news-more-d512dd {
    text-align: center;
    margin-top: 50px;
}

/* ===================================
   常见问题区域
   =================================== */
.faq-section-f659da {
    background: var(--white);
}

.faq-list-5d5a4a {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-287614 {
    margin-bottom: 16px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(44, 62, 80, 0.1);
}

.faq-question-b3f49d {
    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-b3f49d:hover {
    background: rgba(44, 62, 80, 0.05);
    color: var(--accent-color);
}

.faq-question-b3f49d i {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.faq-item-287614.active .faq-question-b3f49d i {
    transform: rotate(45deg);
}

.faq-answer-5ce411 {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item-287614.active .faq-answer-5ce411 {
    max-height: 300px;
}

.faq-answer-5ce411 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-a1ec46 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 100px 0;
}

.reviews-section-a1ec46 .section-title-eaef8e {
    color: var(--white);
}

.reviews-section-a1ec46 .section-subtitle-f32014 {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-908633 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-cf5972 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.review-card-cf5972:hover {
    transform: translateY(-5px);
}

.review-header-f1633a {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.reviewer-avatar-ab0722 {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-color);
}

.reviewer-name-0d0c71 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.reviewer-company-7406ed {
    font-size: 13px;
    color: var(--text-gray);
}

.review-rating-9dea4a {
    margin-bottom: 16px;
}

.review-rating-9dea4a i {
    color: var(--accent-color);
    font-size: 14px;
    margin-right: 2px;
}

.review-content-2b7207 p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.review-content-2b7207 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-29b4e8 {
    background: var(--bg-light);
}

.contact-content-ce1d5a {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-d3e6e3 {
    padding: 40px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-item-b09bf3 {
    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-b09bf3:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-icon-4a6d1d {
    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-fcfd14 h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.contact-text-fcfd14 p {
    font-size: 14px;
    color: var(--text-gray);
}

.contact-social-66097d {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(44, 62, 80, 0.08);
}

.social-link-25a28e {
    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-25a28e:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper-56d960 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-39e2e8 .form-group-f0d4bb {
    margin-bottom: 20px;
}

.contact-form-39e2e8 input,
.contact-form-39e2e8 select,
.contact-form-39e2e8 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-39e2e8 input:focus,
.contact-form-39e2e8 select:focus,
.contact-form-39e2e8 textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(44, 62, 80, 0.1);
}

.contact-form-39e2e8 textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form-39e2e8 select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3-eaddfd.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-904ca3 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-63fc55{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-904ca3 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-904ca3 a{
    color: #718096;
    text-decoration: none;
}

/* ===================================
   页脚区域
   =================================== */
.footer-622608 {
    background: var(--bg-dark);
    padding: 70px 0 30px;
}

.footer-content-13cc24 {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand-0f2f15 {
    padding-right: 20px;
}

.footer-logo-3d56d3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-3d56d3 img {
    height: 36px;
    width: auto;
}

.footer-logo-3d56d3 span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-desc-65b8ac {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-links-2cc64a h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 24px;
    position: relative;
}

.footer-links-2cc64a h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links-2cc64a ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-2cc64a a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer-links-2cc64a a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom-f48ad3 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-f48ad3 p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

/* ===================================
   返回顶部按钮
   =================================== */
.back-to-top-2b523a {
    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-2b523a.visible-b716c0 {
    opacity: 1;
    visibility: visible;
}

.back-to-top-2b523a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* ===================================
   响应式设计 - 平板设备
   =================================== */
@media (max-width: 1024px) {
    .hero-title-acc326 {
        font-size: 44px;
    }

    .hero-subtitle-9ac068 {
        font-size: 18px;
    }

    .products-grid-8722d4,
    .services-grid-0563ac,
    .news-grid-89a7a1,
    .reviews-grid-908633 {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid-18a9d4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content-1ad555,
    .contact-content-ce1d5a {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-87a62f {
        order: -1;
    }

    .footer-content-13cc24 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   响应式设计 - 移动设备
   =================================== */
@media (max-width: 768px) {
    .header-content-acfe6b {
        height: 70px;
    }

    .nav-menu-fd844e {
        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-fd844e.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link-bcd229 {
        padding: 14px 20px;
        border-radius: 8px;
    }

    .mobile-menu-btn-0f044b {
        display: block;
    }

    .hero-495e07 {
        min-height: 100vh;
        padding: 100px 0 60px;
    }

    .hero-title-acc326 {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero-subtitle-9ac068 {
        font-size: 16px;
    }

    .hero-buttons-c9d98f {
        flex-direction: column;
        align-items: center;
    }

    .btn-637b1d {
        width: 100%;
        max-width: 280px;
    }

    .section-aa4360 {
        padding: 70px 0;
    }

    .section-title-eaef8e {
        font-size: 28px;
    }

    .products-grid-8722d4,
    .services-grid-0563ac,
    .news-grid-89a7a1,
    .reviews-grid-908633 {
        grid-template-columns: 1fr;
    }

    .cases-grid-18a9d4 {
        grid-template-columns: 1fr;
    }

    .about-stats-b8c245 {
        justify-content: space-around;
    }

    .stat-number-d9fba7 {
        font-size: 32px;
    }

    .contact-info-d3e6e3,
    .contact-form-wrapper-56d960 {
        padding: 30px 20px;
    }

    .footer-content-13cc24 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-brand-0f2f15 {
        padding-right: 0;
    }

    .back-to-top-2b523a {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .hero-scroll-a9607f {
        display: none;
    }
}

/* ===================================
   小屏幕设备优化
   =================================== */
@media (max-width: 480px) {
    .container-607fef {
        padding: 0 15px;
    }

    .hero-title-acc326 {
        font-size: 26px;
    }

    .section-title-eaef8e {
        font-size: 24px;
    }

    .product-card-ddd23b,
    .service-card-c50060,
    .news-card-90cf2b,
    .review-card-cf5972 {
        padding: 20px;
    }

    .about-stats-b8c245 {
        flex-direction: column;
        gap: 24px;
    }

    .stat-item-dc94d8 {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .stat-number-d9fba7 {
        font-size: 36px;
    }

    .stat-label-6db0c4 {
        font-size: 14px;
    }

    .faq-question-b3f49d {
        padding: 20px;
        font-size: 15px;
    }

    .faq-answer-5ce411 p {
        padding: 20px;
    }
}

/* ===================================
   动画辅助类
   =================================== */
.fade-in-dfed44 {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-dfed44.visible-b716c0 {
    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-bffaf8 {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}