/* ===================================
   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-12e193 {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   按钮样式
   =================================== */
.btn-2bdd7c {
    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-5a8895 {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary-5a8895:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary-fb5982 {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary-fb5982:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-outline-abc76b {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 12px 28px;
}

.btn-outline-abc76b:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-block-6e44cc {
    width: 100%;
}

/* ===================================
   顶部导航栏
   =================================== */
.header-2b9963 {
    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-2b9963.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content-5ef531 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo-ef6fd2 {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.brand-name-6a0341 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu-8c0d91 {
    display: flex;
    gap: 8px;
}

.nav-link-657780 {
    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-657780::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-657780:hover,
.nav-link-657780.active {
    color: var(--primary-color);
    background: rgba(44, 62, 80, 0.05);
}

.nav-link-657780:hover::after,
.nav-link-657780.active::after {
    width: 20px;
}

.mobile-menu-btn-1677bb {
    display: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 8px;
}

/* ===================================
   首页横幅区域
   =================================== */
.hero-456b5c {
    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-456b5c::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-1e2c00 {
    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-680f70 {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

.hero-title-4ff827 {
    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-26b599 {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.9;
}

.hero-buttons-1ce827 {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll-c246e3 {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.hero-scroll-c246e3 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-c246e3 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-38cbed {
    padding: 100px 0;
}

.section-header-400641 {
    text-align: center;
    margin-bottom: 60px;
}

.section-header-left-683d3a {
    text-align: left;
    margin-bottom: 30px;
}

.section-title-502f1c {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title-502f1c::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-header-left-683d3a .section-title-502f1c::after {
    left: 0;
    transform: none;
}

.section-subtitle-6d34b2 {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-header-left-683d3a .section-subtitle-6d34b2 {
    margin: 0;
}

/* ===================================
   产品展示区域
   =================================== */
.products-section-4c9e8d {
    background: var(--bg-light);
}

.products-grid-67ff74 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card-398130 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.product-card-398130:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image-bb8a24 {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.product-image-bb8a24 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card-398130:hover .product-image-bb8a24 img {
    transform: scale(1.08);
}

.product-badge-366124 {
    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-6ac7ba {
    padding: 24px;
}

.product-title-bbf3d3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.product-desc-3d12cd {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.product-link-699a47 {
    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-699a47:hover {
    color: var(--accent-color);
    gap: 12px;
}

/* ===================================
   服务优势区域
   =================================== */
.services-section-b2433f {
    background: var(--white);
}

.services-grid-63b688 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card-809ca3 {
    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-809ca3::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-809ca3:hover::before {
    transform: scaleX(1);
}

.service-card-809ca3:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon-a77d5f {
    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-809ca3:hover .service-icon-a77d5f {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
    transform: rotateY(180deg);
}

.service-title-1a2a95 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.service-desc-314b2f {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   关于我们区域
   =================================== */
.about-section-2023a2 {
    background: var(--bg-light);
}

.about-content-ed8980 {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-b5cfce {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-b5cfce img {
    width: 100%;
    height: auto;
    display: block;
}

.about-text-825433 {
    padding: 20px 0;
}

.about-intro-6f11da {
    font-size: 18px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.about-detail-5d37f0 {
    margin-bottom: 30px;
}

.about-detail-5d37f0 p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-stats-a28b8a {
    display: flex;
    gap: 40px;
}

.stat-item-9dd0d0 {
    text-align: center;
}

.stat-number-b72f22 {
    display: block;
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label-4f3c56 {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===================================
   产品案例区域
   =================================== */
.cases-section-b40957 {
    background: var(--white);
}

.cases-grid-26e946 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card-fa3649 {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.case-image-728de5 {
    width: 100%;
    height: 100%;
    position: relative;
}

.case-image-728de5 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.case-card-fa3649:hover .case-image-728de5 img {
    transform: scale(1.1);
}

.case-overlay-5ef026 {
    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-fa3649:hover .case-overlay-5ef026 {
    opacity: 1;
}

.case-info-3e5579 h4 {
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.case-info-3e5579 p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* ===================================
   新闻资讯区域
   =================================== */
.news-section-b552b6 {
    background: var(--bg-light);
}

.news-grid-bf2e57 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card-5fce96 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.news-card-5fce96:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.news-image-4bebbd {
    height: 200px;
    overflow: hidden;
}

.news-image-4bebbd img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card-5fce96:hover .news-image-4bebbd img {
    transform: scale(1.08);
}

.news-content-ff9dbe {
    padding: 24px;
}

.news-meta-5606ea {
    display: flex;
    gap: 20px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.news-meta-5606ea i {
    margin-right: 4px;
}

.news-title-b6c957 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.news-card-5fce96:hover .news-title-b6c957 {
    color: var(--accent-color);
}

.news-summary-82380b {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.news-link-7607ad {
    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-7607ad:hover {
    color: var(--accent-color);
    gap: 12px;
}

.news-more-bc9e55 {
    text-align: center;
    margin-top: 50px;
}

/* ===================================
   常见问题区域
   =================================== */
.faq-section-11b743 {
    background: var(--white);
}

.faq-list-dfae30 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item-8aad83 {
    margin-bottom: 16px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(44, 62, 80, 0.1);
}

.faq-question-dbecf5 {
    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-dbecf5:hover {
    background: rgba(44, 62, 80, 0.05);
    color: var(--accent-color);
}

.faq-question-dbecf5 i {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.faq-item-8aad83.active .faq-question-dbecf5 i {
    transform: rotate(45deg);
}

.faq-answer-1ddad4 {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item-8aad83.active .faq-answer-1ddad4 {
    max-height: 300px;
}

.faq-answer-1ddad4 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-fdc664 {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 100px 0;
}

.reviews-section-fdc664 .section-title-502f1c {
    color: var(--white);
}

.reviews-section-fdc664 .section-subtitle-6d34b2 {
    color: rgba(255, 255, 255, 0.7);
}

.reviews-grid-d7386c {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.review-card-153f16 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.review-card-153f16:hover {
    transform: translateY(-5px);
}

.review-header-2efd07 {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.reviewer-avatar-63f291 {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-color);
}

.reviewer-name-4e1e7d {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.reviewer-company-3e0811 {
    font-size: 13px;
    color: var(--text-gray);
}

.review-rating-d35705 {
    margin-bottom: 16px;
}

.review-rating-d35705 i {
    color: var(--accent-color);
    font-size: 14px;
    margin-right: 2px;
}

.review-content-5f1056 p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: 20px;
}

.review-content-5f1056 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-0a8dd3 {
    background: var(--bg-light);
}

.contact-content-bda19a {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info-b66f82 {
    padding: 40px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-item-59833b {
    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-59833b:last-of-type {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.contact-icon-5ec835 {
    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-a7d4cd h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.contact-text-a7d4cd p {
    font-size: 14px;
    color: var(--text-gray);
}

.contact-social-6efe80 {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(44, 62, 80, 0.08);
}

.social-link-0db589 {
    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-0db589:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper-9a01f0 {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form-f64d0c .form-group-4b1fff {
    margin-bottom: 20px;
}

.contact-form-f64d0c input,
.contact-form-f64d0c select,
.contact-form-f64d0c 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-f64d0c input:focus,
.contact-form-f64d0c select:focus,
.contact-form-f64d0c textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(44, 62, 80, 0.1);
}

.contact-form-f64d0c textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form-f64d0c select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3-962a69.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-8c0d6c {
    background: white;
    color: #2d3748;
    padding: 30px 0;
}
.flink-header-2fc569{
    font-size: 20px;
    font-weight: 600;
    padding-bottom: 10px;
}
.flink-section-8c0d6c li{
    list-style: none;
    display: inline;
    padding-right: 20px;
}
.flink-section-8c0d6c a{
    color: #718096;
    text-decoration: none;
}

/* ===================================
   页脚区域
   =================================== */
.footer-81952b {
    background: var(--bg-dark);
    padding: 70px 0 30px;
}

.footer-content-bd653c {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand-a8ce51 {
    padding-right: 20px;
}

.footer-logo-53de1e {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-53de1e img {
    height: 36px;
    width: auto;
}

.footer-logo-53de1e span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.footer-desc-bb82c8 {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-links-231825 h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 24px;
    position: relative;
}

.footer-links-231825 h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links-231825 ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-231825 a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all var(--transition-fast);
}

.footer-links-231825 a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom-623cd3 {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom-623cd3 p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

/* ===================================
   返回顶部按钮
   =================================== */
.back-to-top-1e5295 {
    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-1e5295.visible-02506d {
    opacity: 1;
    visibility: visible;
}

.back-to-top-1e5295:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

/* ===================================
   响应式设计 - 平板设备
   =================================== */
@media (max-width: 1024px) {
    .hero-title-4ff827 {
        font-size: 44px;
    }

    .hero-subtitle-26b599 {
        font-size: 18px;
    }

    .products-grid-67ff74,
    .services-grid-63b688,
    .news-grid-bf2e57,
    .reviews-grid-d7386c {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid-26e946 {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content-ed8980,
    .contact-content-bda19a {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-b5cfce {
        order: -1;
    }

    .footer-content-bd653c {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===================================
   响应式设计 - 移动设备
   =================================== */
@media (max-width: 768px) {
    .header-content-5ef531 {
        height: 70px;
    }

    .nav-menu-8c0d91 {
        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-8c0d91.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link-657780 {
        padding: 14px 20px;
        border-radius: 8px;
    }

    .mobile-menu-btn-1677bb {
        display: block;
    }

    .hero-456b5c {
        min-height: 100vh;
        padding: 100px 0 60px;
    }

    .hero-title-4ff827 {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero-subtitle-26b599 {
        font-size: 16px;
    }

    .hero-buttons-1ce827 {
        flex-direction: column;
        align-items: center;
    }

    .btn-2bdd7c {
        width: 100%;
        max-width: 280px;
    }

    .section-38cbed {
        padding: 70px 0;
    }

    .section-title-502f1c {
        font-size: 28px;
    }

    .products-grid-67ff74,
    .services-grid-63b688,
    .news-grid-bf2e57,
    .reviews-grid-d7386c {
        grid-template-columns: 1fr;
    }

    .cases-grid-26e946 {
        grid-template-columns: 1fr;
    }

    .about-stats-a28b8a {
        justify-content: space-around;
    }

    .stat-number-b72f22 {
        font-size: 32px;
    }

    .contact-info-b66f82,
    .contact-form-wrapper-9a01f0 {
        padding: 30px 20px;
    }

    .footer-content-bd653c {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-brand-a8ce51 {
        padding-right: 0;
    }

    .back-to-top-1e5295 {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .hero-scroll-c246e3 {
        display: none;
    }
}

/* ===================================
   小屏幕设备优化
   =================================== */
@media (max-width: 480px) {
    .container-12e193 {
        padding: 0 15px;
    }

    .hero-title-4ff827 {
        font-size: 26px;
    }

    .section-title-502f1c {
        font-size: 24px;
    }

    .product-card-398130,
    .service-card-809ca3,
    .news-card-5fce96,
    .review-card-153f16 {
        padding: 20px;
    }

    .about-stats-a28b8a {
        flex-direction: column;
        gap: 24px;
    }

    .stat-item-9dd0d0 {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .stat-number-b72f22 {
        font-size: 36px;
    }

    .stat-label-4f3c56 {
        font-size: 14px;
    }

    .faq-question-dbecf5 {
        padding: 20px;
        font-size: 15px;
    }

    .faq-answer-1ddad4 p {
        padding: 20px;
    }
}

/* ===================================
   动画辅助类
   =================================== */
.fade-in-a2e6fc {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-a2e6fc.visible-02506d {
    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-ce3bbe {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}