/* ===================================
   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-247346 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   按钮样式
   =================================== */
.btn-933642 {
    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-a25cc4 {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary-a25cc4:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-5dd6ac {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary-5dd6ac:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-outline-2c4b12 {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 28px;
}

.btn-outline-2c4b12:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-block-93ad97 {
    width: 100%;
}

/* ===================================
   顶部导航栏
   =================================== */
.header-e6e4b6 {
    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-e6e4b6.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content-ffef89 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-5d0506 {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img-066ae8 {
    height: 45px;
    width: auto;
}

.brand-name-f14152 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu-0e9150 {
    display: flex;
    gap: 8px;
}

.nav-link-db2fd8 {
    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-db2fd8::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-db2fd8:hover,
.nav-link-db2fd8.active {
    color: var(--primary-color);
    background: rgba(44, 62, 80, 0.05);
}

.nav-link-db2fd8:hover::after,
.nav-link-db2fd8.active::after {
    width: 20px;
}

.mobile-menu-btn-5d4cf4 {
    display: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px;
}

/* ===================================
   首页横幅区域
   =================================== */
.hero-b4011d {
    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-b4011d::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-df89b0 {
    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-8c5ac9 {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-title-4622c7 {
    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-c35211 {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.9;
}

.hero-buttons-f88ad5 {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-3072ae {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero-scroll-3072ae 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-3072ae 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-b62795 {
    padding: 100px 0;
}

.section-header-c362a5 {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-left-1187be {
    text-align: left;
    margin-bottom: 30px;
}

.section-title-78d1a4 {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-78d1a4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-header-left-1187be .section-title-78d1a4::after {
    left: 0;
    transform: none;
}

.section-subtitle-ec5675 {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-header-left-1187be .section-subtitle-ec5675 {
    margin: 0;
}

/* ===================================
   产品展示区域
   =================================== */
.products-section-24300b {
    background: var(--bg-light);
}

.products-grid-bf0915 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card-5a25dd {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.product-card-5a25dd:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image-452b08 {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-image-452b08 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card-5a25dd:hover .product-image-452b08 img {
    transform: scale(1.08);
}

.product-badge-412eb4 {
    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-1d920f {
    padding: 24px;
}

.product-title-8200e6 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.product-desc-17ca35 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-link-af942a {
    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-af942a:hover {
    color: var(--accent-color);
    gap: 12px;
}

/* ===================================
   服务优势区域
   =================================== */
.services-section-17f271 {
    background: var(--white);
}

.services-grid-d9b803 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-e40cb2 {
    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-e40cb2::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-e40cb2:hover::before {
    transform: scaleX(1);
}

.service-card-e40cb2:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon-2f8773 {
    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-e40cb2:hover .service-icon-2f8773 {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    transform: rotateY(180deg);
}

.service-title-a20f39 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.service-desc-fbf68b {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   关于我们区域
   =================================== */
.about-section-d3e7b3 {
    background: var(--bg-light);
}

.about-content-4dd269 {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-1a7cf7 {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-1a7cf7 img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text-58a436 {
    padding: 20px 0;
}

.about-intro-482125 {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.about-detail-f11c8f {
    margin-bottom: 30px;
}

.about-detail-f11c8f p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-stats-f640b5 {
    display: flex;
    gap: 40px;
}

.stat-item-65dbfa {
    text-align: center;
}

.stat-number-6cdd51 {
    display: block;
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

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

/* ===================================
   产品案例区域
   =================================== */
.cases-section-254ae8 {
    background: var(--white);
}

.cases-grid-2dac15 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card-edd86c {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.case-image-e6f7f8 {
    width: 100%;
    height: 100%;
    position: relative;
}

.case-image-e6f7f8 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-card-edd86c:hover .case-image-e6f7f8 img {
    transform: scale(1.1);
}

.case-overlay-6e7d0a {
    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-edd86c:hover .case-overlay-6e7d0a {
    opacity: 1;
}

.case-info-dc30f6 h4 {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-info-dc30f6 p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* ===================================
   新闻资讯区域
   =================================== */
.news-section-cc240a {
    background: var(--bg-light);
}

.news-grid-d1d827 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-d25f0f {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.news-card-d25f0f:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-image-f836e5 {
    height: 200px;
    overflow: hidden;
}

.news-image-f836e5 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card-d25f0f:hover .news-image-f836e5 img {
    transform: scale(1.08);
}

.news-content-536ada {
    padding: 24px;
}

.news-meta-8afd6d {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.news-meta-8afd6d i {
    margin-right: 4px;
}

.news-title-702694 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.news-card-d25f0f:hover .news-title-702694 {
    color: var(--accent-color);
}

.news-summary-3836c3 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-link-464e7d {
    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-464e7d:hover {
    color: var(--accent-color);
    gap: 12px;
}

.news-more-f9133f {
    text-align: center;
    margin-top: 50px;
}

/* ===================================
   常见问题区域
   =================================== */
.faq-section-2feb0b {
    background: var(--white);
}

.faq-list-5b45f6 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-addb2c {
    margin-bottom: 16px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(44, 62, 80, 0.1);
}

.faq-question-610e2f {
    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-610e2f:hover {
    background: rgba(44, 62, 80, 0.05);
    color: var(--accent-color);
}

.faq-question-610e2f i {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.faq-item-addb2c.active .faq-question-610e2f i {
    transform: rotate(45deg);
}

.faq-answer-fcd8ba {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item-addb2c.active .faq-answer-fcd8ba {
    max-height: 300px;
}

.faq-answer-fcd8ba 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-c1eae5 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 100px 0;
}

.reviews-section-c1eae5 .section-title-78d1a4 {
    color: var(--white);
}

.reviews-section-c1eae5 .section-subtitle-ec5675 {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-3655f6 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-040ce9 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.review-card-040ce9:hover {
    transform: translateY(-5px);
}

.review-header-c3dabe {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.reviewer-avatar-34b774 {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-color);
}

.reviewer-name-761fd3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.reviewer-company-d7deeb {
    font-size: 13px;
    color: var(--text-gray);
}

.review-rating-a7c19d {
    margin-bottom: 16px;
}

.review-rating-a7c19d i {
    color: var(--accent-color);
    font-size: 14px;
    margin-right: 2px;
}

.review-content-a5a2c7 p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.review-content-a5a2c7 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-92f95e {
    background: var(--bg-light);
}

.contact-content-ce07fe {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-03f818 {
    padding: 40px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-item-fbd7e6 {
    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-fbd7e6:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-icon-28935d {
    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-47c694 h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.contact-text-47c694 p {
    font-size: 14px;
    color: var(--text-gray);
}

.contact-social-07080c {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(44, 62, 80, 0.08);
}

.social-link-48d210 {
    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-48d210:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper-51eced {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-5b4720 .form-group-2398d2 {
    margin-bottom: 20px;
}

.contact-form-5b4720 input,
.contact-form-5b4720 select,
.contact-form-5b4720 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-5b4720 input:focus,
.contact-form-5b4720 select:focus,
.contact-form-5b4720 textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(44, 62, 80, 0.1);
}

.contact-form-5b4720 textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form-5b4720 select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3-6ea84d.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-f33556 {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-edccce{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-f33556 li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-f33556 a{
    color: #718096;
    text-decoration: none;
}

/* ===================================
   页脚区域
   =================================== */
.footer-8a78ec {
    background: var(--bg-dark);
    padding: 70px 0 30px;
}

.footer-content-51ad68 {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand-254f1c {
    padding-right: 20px;
}

.footer-logo-dcda6c {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-dcda6c img {
    height: 36px;
    width: auto;
}

.footer-logo-dcda6c span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-desc-57ac56 {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-links-451d37 h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 24px;
    position: relative;
}

.footer-links-451d37 h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links-451d37 ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-451d37 a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer-links-451d37 a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom-429940 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-429940 p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

/* ===================================
   返回顶部按钮
   =================================== */
.back-to-top-50106b {
    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-50106b.visible-9b39c9 {
    opacity: 1;
    visibility: visible;
}

.back-to-top-50106b:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* ===================================
   响应式设计 - 平板设备
   =================================== */
@media (max-width: 1024px) {
    .hero-title-4622c7 {
        font-size: 44px;
    }

    .hero-subtitle-c35211 {
        font-size: 18px;
    }

    .products-grid-bf0915,
    .services-grid-d9b803,
    .news-grid-d1d827,
    .reviews-grid-3655f6 {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid-2dac15 {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content-4dd269,
    .contact-content-ce07fe {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-1a7cf7 {
        order: -1;
    }

    .footer-content-51ad68 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   响应式设计 - 移动设备
   =================================== */
@media (max-width: 768px) {
    .header-content-ffef89 {
        height: 70px;
    }

    .nav-menu-0e9150 {
        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-0e9150.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link-db2fd8 {
        padding: 14px 20px;
        border-radius: 8px;
    }

    .mobile-menu-btn-5d4cf4 {
        display: block;
    }

    .hero-b4011d {
        min-height: 100vh;
        padding: 100px 0 60px;
    }

    .hero-title-4622c7 {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero-subtitle-c35211 {
        font-size: 16px;
    }

    .hero-buttons-f88ad5 {
        flex-direction: column;
        align-items: center;
    }

    .btn-933642 {
        width: 100%;
        max-width: 280px;
    }

    .section-b62795 {
        padding: 70px 0;
    }

    .section-title-78d1a4 {
        font-size: 28px;
    }

    .products-grid-bf0915,
    .services-grid-d9b803,
    .news-grid-d1d827,
    .reviews-grid-3655f6 {
        grid-template-columns: 1fr;
    }

    .cases-grid-2dac15 {
        grid-template-columns: 1fr;
    }

    .about-stats-f640b5 {
        justify-content: space-around;
    }

    .stat-number-6cdd51 {
        font-size: 32px;
    }

    .contact-info-03f818,
    .contact-form-wrapper-51eced {
        padding: 30px 20px;
    }

    .footer-content-51ad68 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-brand-254f1c {
        padding-right: 0;
    }

    .back-to-top-50106b {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .hero-scroll-3072ae {
        display: none;
    }
}

/* ===================================
   小屏幕设备优化
   =================================== */
@media (max-width: 480px) {
    .container-247346 {
        padding: 0 15px;
    }

    .hero-title-4622c7 {
        font-size: 26px;
    }

    .section-title-78d1a4 {
        font-size: 24px;
    }

    .product-card-5a25dd,
    .service-card-e40cb2,
    .news-card-d25f0f,
    .review-card-040ce9 {
        padding: 20px;
    }

    .about-stats-f640b5 {
        flex-direction: column;
        gap: 24px;
    }

    .stat-item-65dbfa {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .stat-number-6cdd51 {
        font-size: 36px;
    }

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

    .faq-question-610e2f {
        padding: 20px;
        font-size: 15px;
    }

    .faq-answer-fcd8ba p {
        padding: 20px;
    }
}

/* ===================================
   动画辅助类
   =================================== */
.fade-in-4cff4a {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-4cff4a.visible-9b39c9 {
    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-8403cf {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}