/* 基础样式和变量定义 */
:root {
    --primary-color: #1a6bff;
    --primary-dark: #0a4fcc;
    --primary-light: #4a8cff;
    --secondary-color: #2c3e50;
    --accent-color: #e63946;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --light-gray: #e9ecef;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 20px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 通用样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray-color);
    max-width: 700px;
    margin: 20px auto 0;
}

.btn {
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    border: none;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 107, 255, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 107, 255, 0.4);
}

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

.btn-secondary:hover {
    background-color: rgba(26, 107, 255, 0.1);
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* 导航栏样式 */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-color);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
    margin-right: 10px;
}
.logo-icon img{
    width: 40px;
    height: 40px;
}
.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.logo-text .sub {
    font-size: 0.7rem;
    color: var(--gray-color);
    font-weight: 400;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    padding: 10px 15px;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(1);
    transition: transform 0.3s ease;
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}



.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 5px;
}

/* 轮播图样式 - 优化渐变背景 */
.hero {
    margin-top: 80px;
    position: relative;
    height: 600px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

/* 轮播图1背景 - 优化渐变 */
#slide1 {
    background: radial-gradient(circle at center, 
        rgba(26, 107, 255, 0.9) 0%,
        rgba(58, 141, 255, 0.8) 30%,
        rgba(93, 168, 255, 0.7) 60%,
        rgba(161, 222, 255, 0.6) 100%);
}

/* 轮播图2背景 - 优化渐变 */
#slide2 {
    background: radial-gradient(circle at center,
        rgba(255, 107, 107, 0.9) 0%,
        rgba(255, 142, 107, 0.8) 30%,
        rgba(255, 177, 107, 0.7) 60%,
        rgba(255, 212, 107, 0.6) 100%);
}

/* 轮播图3背景 - 优化渐变 */
#slide3 {
    background: radial-gradient(circle at center,
        rgba(107, 255, 107, 0.9) 0%,
        rgba(107, 255, 142, 0.8) 30%,
        rgba(107, 255, 177, 0.7) 60%,
        rgba(107, 255, 212, 0.6) 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--dark-color);
    z-index: 2;
    position: relative;
}

.hero-text {
    flex: 1;
    padding-right: 40px;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

.hero-features {
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.feature-item i {
    color: var(--white);
    margin-right: 10px;
    font-size: 1.1rem;
}

.feature-item span {
    font-size: 1.1rem;
    opacity: 0.95;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 500px;
}
.feature-grid .feature-card{
    width: 130px;
}
 
.feature-card {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.8rem;
}

.feature-card h4 {
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.4;
}

.carousel-controls {
    position: absolute;
    bottom: 40px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 10;
}

.carousel-prev,
.carousel-next {
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.carousel-prev:hover,
.carousel-next:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.carousel-indicators {
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background-color: var(--white);
    transform: scale(1.2);
}

/* 行业痛点样式 */
.pain-points {
    background-color: var(--white);
    padding: 80px 0;
    position: relative;
}

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

.pain-point-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--light-gray);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.nav-links a:hover:after {
    transform: scaleX(1);
}

.nav-cta {
    background-color: var(--primary-color);
    color: var(--white)!important;
    padding: 10px 24px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
}
 

.pain-point-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.pain-point-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.pain-point-icon i {
    font-size: 2rem;
    color: var(--white);
}

.pain-point-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    line-height: 1.3;
}

.pain-point-card p {
    color: var(--gray-color);
    flex: 1;
    line-height: 1.6;
}

/* 解决方案样式 */
.solution {
    background-color: #f8fafc;
    padding: 80px 0;
    position: relative;
}

.solution-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-headers {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    gap: 20px;
    flex-wrap: wrap;
}

.tab-header {
    flex: 0 1 300px;
    background: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
    overflow: hidden;
}

.tab-header-content {
    display: flex;
    align-items: center;    
    justify-content: center;
    padding: 20px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
}

.tab-header.active .tab-header-content {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(26, 107, 255, 0.2);
}

.tab-header:hover .tab-header-content {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tab-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-right: 15px;
    opacity: 0.7;
}

.tab-header.active .tab-number {
    opacity: 1;
}

.tab-title {
    font-size: 1.2rem;
    font-weight: 600;
    text-align: left;
    line-height: 1.4;
}

.tab-contents {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--light-gray);
    overflow: hidden;
}

.tab-content {
    display: none;
    padding: 0;
}

.tab-content.active {
    display: block;
}

.solution-content {
    display: flex;
    min-height: 400px;
}

.solution-text {
    flex: 1;
    padding: 40px;
    border-right: 1px solid var(--light-gray);
}

.solution-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-gray);
}

.solution-text p {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 25px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.feature-list li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    color: var(--secondary-color);
}

.feature-list i {
    color: var(--success-color);
    margin-right: 10px;
    font-size: 1.1rem;
}

.solution-image {
    flex: 1;
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8fafc;
}

.demo-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--light-gray);
}

.demo-title {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px;
    text-align: center;
    font-weight: 600;
}

.demo-content {
    padding: 30px;
    height: calc(100% - 50px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.erp-flow, .price-strategy, .inventory-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    width: 100%;
}

.flow-item, .strategy-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.flow-icon, .strategy-icon {
    width: 60px;
    height: 60px;
    background-color: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.flow-text, .strategy-text {
    font-weight: 600;
    color: var(--secondary-color);
}

.flow-arrow {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.inventory-flow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    width: 100%;
}

.flow-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.column-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    text-align: center;
    line-height: 1.2;
    margin-bottom: 10px;
}

.column-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.column-item {
    background-color: #f0f7ff;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    text-align: center;
    color: var(--secondary-color);
}

/* 系统架构样式 */
.architecture {
    background-color: var(--white);
    padding: 80px 0;
    position: relative;
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.architecture-column {
    background-color: #f8fafc;
    border-radius: var(--border-radius);
    padding: 25px;
    border: 1px solid var(--light-gray);
    transition: var(--transition);
}

.architecture-column:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.column-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light-gray);
}

.column-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.column-item {
    background-color: var(--white);
    padding: 12px 15px;
    border-radius: 6px;
    font-size: 0.95rem;
    text-align: center;
    color: var(--secondary-color);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
}

.column-item:hover {
    background-color: #f0f7ff;
    border-color: var(--primary-light);
    transform: translateX(5px);
}

/* 核心功能样式 */
.features {
    background-color: #f8fafc;
    padding: 80px 0;
    position: relative;
}

.features-tabs {
    margin-top: 40px;
}

.feature-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--white);
    border: 1px solid var(--light-gray);
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.category-btn:hover {
    background-color: #f0f7ff;
    border-color: var(--primary-light);
    transform: translateY(-3px);
}

.category-btn.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(26, 107, 255, 0.2);
}

.category-btn i {
    font-size: 1.2rem;
}

.category-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.category-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* 客户案例样式 */
.cases {
    background-color: var(--white);
    padding: 80px 0;
    position: relative;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--light-gray);
    transition: var(--transition);
    text-align: center;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.case-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--white);
}

.case-card h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.case-card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* 联系试用样式 */
.contact {
    background: linear-gradient(135deg, 
        rgba(26, 107, 255, 0.95) 0%,
        rgba(58, 141, 255, 0.9) 50%,
        rgba(93, 168, 255, 0.85) 100%),
        url('../images/contact-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 80px 0;
    position: relative;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.contact-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.qr-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    margin-bottom: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.qr-code {
    flex: 0 0 auto;
}

/* 联系试用样式（续） */
.qr-placeholder {
    text-align: center;
}

.qr-code-img {
    width: 180px;
    height: 180px;
    overflow: hidden;
    background-color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--dark-color);
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
 }
.qr-code-img img {
  width: 170px;
  height: 170px;
  margin: 0 auto;
}
.qr-code-img:before {
    content: '';
    font-size: 0.9rem;
    text-align: center;
}

.qr-placeholder p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.contact-details {
    text-align: left;
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    gap: 15px;
}

.contact-item i {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-top: 3px;
    min-width: 24px;
}

.contact-item h4 {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 5px;
    font-weight: 500;
}

.contact-item p {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-info .btn-large {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.2rem;
    padding: 18px 40px;
}

/* 页脚样式 */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 20px;
    position: relative;
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--primary-color) 0%,
        var(--accent-color) 50%,
        var(--success-color) 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column:first-child {
    grid-column: span 1;
}

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

.footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.5rem;
    margin-right: 10px;
}

.footer-logo .logo-text {
    display: flex;
    flex-direction: column;
}

.footer-logo .logo-text span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.footer-logo .logo-text .sub {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    font-size: 1rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px) scale(1.1);
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-light);
}

.footer-links {
    list-style: none;
}
.w-400{
    min-width: 270px;
}
.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    padding: 2px 0;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.footer-column .contact-info {
    margin-top: 0;
}

.footer-column .contact-info p {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-column .contact-info i {
    width: 20px;
    margin-right: 10px;
    color: var(--primary-light);
    font-size: 0.9rem;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* 悬停动画效果 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}