/* ==========================================
   山西有闲田科技有限责任公司官网 - 主样式
   版本：1.0.0
   创建日期：2025-02-03
   ========================================== */

/* ==================== 基础样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 */
    --primary-green: #2a9d8f;
    --primary-blue: #264653;
    
    /* 辅助色 */
    --auxiliary-yellow: #e9c46a;
    --background-gray: #f8f9fa;
    
    /* 文字色 */
    --text-dark: #333333;
    --text-light: #e0e0e0;
    --text-white: #ffffff;
    
    /* 边框色 */
    --border-light: #e0e0e0;
    
    /* 阴影 */
    --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Microsoft YaHei', '微软雅黑', 'SimHei', '宋体', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--text-white);
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* ==================== 模块1：导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 90px;
    background-color: var(--primary-blue);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

/* Logo区域 */
.nav-left .logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
    color: var(--text-white);
    transition: transform 0.3s ease;
}

.nav-left .logo:hover {
    transform: scale(1.05);
}

.nav-left .logo i {
    color: var(--primary-green);
    font-size: 28px;
    margin-right: 10px;
}

.nav-left .logo span {
    letter-spacing: 1px;
}

/* 导航菜单 */
.nav-center .nav-menu {
    display: flex;
    gap: 40px;
}

.nav-center .nav-menu .nav-link {
    color: var(--text-white);
    font-size: 16px;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-center .nav-menu .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-green);
    transition: width 0.3s ease;
}

.nav-center .nav-menu .nav-link:hover::after,
.nav-center .nav-menu .nav-link.active::after {
    width: 100%;
}

.nav-center .nav-menu .nav-link:hover {
    color: var(--primary-green);
}

/* 下拉菜单 */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background-color: var(--primary-blue);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    padding: 10px 0;
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    width: 100%;
}

.dropdown-link {
    display: block;
    padding: 10px 18px;
    color: var(--text-white);
    font-size: 14px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-link:hover {
    background-color: rgba(42, 157, 143, 0.2);
    color: var(--primary-green);
}

/* 汉堡菜单（移动端） */
.nav-right .hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-right .hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-white);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ==================== 模块2：Banner ==================== */
.banner {
    position: relative;
    width: 100%;
    height: calc(100vh - 90px);
    background-color: #1f3b45;
    background-image: linear-gradient(135deg, rgba(38, 70, 83, 0.85), rgba(42, 157, 143, 0.5)), url('../images/banner-bg.jpg');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(38, 70, 83, 0.7);
}

.banner .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
}

.banner-title {
    font-size: 42px;
    font-weight: bold;
    color: var(--text-white);
    margin-bottom: 20px;
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease;
}

.banner-subtitle {
    font-size: 24px;
    color: var(--text-light);
    margin-bottom: 15px;
    font-weight: 500;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.banner-slogan {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    font-weight: 400;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.banner-btn {
    display: inline-block;
    padding: 16px 60px;
    background-color: var(--primary-green);
    color: var(--text-white);
    font-size: 18px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.banner-btn:hover {
    background-color: #23847a;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(42, 157, 143, 0.4);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 模块3：公司简介 ==================== */
.company-intro {
    background-color: var(--background-gray);
    padding: 100px 0;
}

.intro-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.intro-left {
    flex: 1;
}

.section-title {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 30px;
    position: relative;
}

.title-line {
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-green);
    margin-top: 10px;
}

.intro-text p {
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.8;
}

.intro-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.intro-tags .tag {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--text-white);
    border-radius: 4px;
    font-size: 14px;
    box-shadow: var(--shadow-card);
}

.intro-tags .tag i {
    color: var(--primary-green);
    margin-right: 8px;
    font-size: 16px;
}

.intro-right {
    flex: 1;
}

.intro-image {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.intro-img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    height: 300px;
    object-fit: cover;
    background-color: #ddd;
}

.intro-license {
    position: relative;
    cursor: pointer;
}

.license-img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    height: 200px;
    object-fit: contain;
    background-color: #fff;
    border: 1px solid var(--border-light);
}

.license-text {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.intro-license:hover .license-text {
    opacity: 1;
}

/* ==================== 模块4：核心业务 ==================== */
.core-business {
    background-color: var(--text-white);
    padding: 100px 0;
}

.section-title-center {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 60px;
}

.section-title-center .title-line {
    display: inline-block;
    width: 60px;
    height: 3px;
    background-color: var(--primary-green);
    margin-top: 10px;
}

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

.business-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    padding: 30px 20px;
    text-align: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.card-icon {
    margin-bottom: 20px;
}

.card-icon i {
    font-size: 48px;
    color: var(--primary-green);
}

.card-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.card-desc {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
}

.card-desc small {
    display: block;
    margin-top: 10px;
    color: #666;
    font-size: 12px;
}

/* ==================== 新增模块：核心产品/解决方案 ==================== */
.solutions {
    background-color: var(--background-gray);
    padding: 100px 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.solution-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.solution-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.solution-sub {
    font-size: 14px;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.7;
}

/* ==================== 新增模块：服务流程 ==================== */
.service-process {
    background-color: var(--text-white);
    padding: 100px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.process-step {
    background-color: var(--background-gray);
    border-radius: 8px;
    padding: 25px 20px;
    text-align: center;
    border: 1px solid var(--border-light);
}

.step-number {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-green);
    margin-bottom: 10px;
}

.step-title {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.step-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* ==================== 新增模块：典型案例 ==================== */
.case-studies {
    background-color: var(--background-gray);
    padding: 100px 0;
}

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

.case-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.case-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.case-meta {
    font-size: 14px;
    color: #666;
    margin-bottom: 6px;
}

.case-result {
    font-size: 14px;
    color: var(--text-dark);
    margin-top: 10px;
}

/* ==================== 模块5：品牌优势 ==================== */
.brand-advantages {
    background-color: var(--background-gray);
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.advantage-item {
    display: flex;
    gap: 20px;
    background-color: var(--text-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
}

.advantage-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background-color: rgba(42, 157, 143, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 28px;
    color: var(--primary-green);
}

.advantage-content {
    flex: 1;
}

.advantage-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.advantage-desc {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
}

/* ==================== 模块6：资质合规 ==================== */
.qualifications {
    background-color: var(--text-white);
    padding: 100px 0;
}

.qualifications-content {
    display: flex;
    gap: 60px;
}

.qual-left {
    flex: 0.4;
}

.qual-right {
    flex: 0.6;
}

.license-display {
    position: relative;
    cursor: pointer;
    margin-bottom: 20px;
}

.license-display-img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-card);
    height: 400px;
    object-fit: contain;
    background-color: #fff;
    border: 1px solid var(--border-light);
}

.license-display-text {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--text-white);
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.license-display:hover .license-display-text {
    opacity: 1;
}

.license-note {
    font-size: 14px;
    color: #666;
    text-align: center;
}

.compliance-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.compliance-card {
    background-color: var(--background-gray);
    padding: 30px;
    border-radius: 8px;
}

.compliance-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.compliance-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.compliance-label {
    color: #666;
    margin-right: 10px;
}

.compliance-link {
    color: var(--primary-green);
    text-decoration: underline;
}

.compliance-link:hover {
    color: var(--primary-blue);
}

.compliance-status {
    color: var(--primary-green);
    font-weight: bold;
}

.compliance-text {
    color: var(--text-dark);
}

.compliance-notice p {
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 10px;
}

.compliance-notice i {
    color: var(--primary-green);
    font-size: 16px;
}

/* ==================== 模块7：团队介绍 ==================== */
.team-intro {
    background-color: var(--background-gray);
    padding: 100px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    padding: 30px 20px;
    text-align: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

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

.member-avatar {
    margin-bottom: 20px;
}

.avatar-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--primary-green);
    object-fit: cover;
    margin: 0 auto;
    background-color: #ddd;
}

.member-name {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.member-position {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.member-duty {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.6;
}

.member-detail {
    margin-top: 10px;
}

.member-detail p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* ==================== 新增模块：合作伙伴 ==================== */
.partners {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%);
    padding: 100px 0;
    overflow: hidden;
}

.partners::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(42, 157, 143, 0.18), rgba(42, 157, 143, 0));
    opacity: 0.7;
    pointer-events: none;
}

.partners-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.partners-title .section-title {
    margin-bottom: 12px;
}

.partners-subtitle {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
    max-width: 680px;
}

.partners-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.partner-badge {
    background-color: rgba(42, 157, 143, 0.12);
    color: var(--primary-blue);
    border: 1px solid rgba(42, 157, 143, 0.22);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
}

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

.partner-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 22px;
    display: flex;
    gap: 16px;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(42, 157, 143, 0.35);
}

.partner-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background-color: rgba(42, 157, 143, 0.12);
    color: var(--primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.partner-info h3 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.partner-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 12px;
}

.partner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.partner-tags span {
    font-size: 12px;
    color: var(--primary-blue);
    background-color: #f3f6f9;
    border: 1px solid #e7edf2;
    padding: 4px 10px;
    border-radius: 999px;
}

/* ==================== 网站地图 ==================== */
.sitemap-section {
    background-color: var(--background-gray);
    padding: 80px 0 100px;
}

.sitemap-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-card);
}

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

.sitemap-group h3 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 12px;
}

.sitemap-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sitemap-group li {
    margin-bottom: 8px;
}

.sitemap-group a {
    color: var(--primary-blue);
    transition: color 0.2s ease;
}

.sitemap-group a:hover {
    color: var(--primary-green);
}

/* ==================== 新增模块：媒体报道 ==================== */
.media-news {
    background-color: var(--background-gray);
    padding: 100px 0;
}

.media-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.media-item {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    padding: 25px 20px;
    border-radius: 8px;
}

.media-item h3 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.media-item p {
    font-size: 13px;
    color: #666;
}

.media-more {
    text-align: center;
    margin-top: 30px;
}

.media-more-btn {
    display: inline-block;
    padding: 12px 40px;
    background-color: var(--primary-green);
    color: var(--text-white);
    border-radius: 4px;
}

.media-more-btn:hover {
    background-color: #23847a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

/* ==================== 新增模块：社会责任 ==================== */
.csr {
    background-color: var(--text-white);
    padding: 100px 0;
}

.csr-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.csr-card {
    border: 1px solid var(--border-light);
    padding: 25px 20px;
    border-radius: 8px;
    background-color: var(--background-gray);
}

.csr-card h3 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.csr-card p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
}

/* ==================== 模块8：联系我们 ==================== */
.contact-us {
    background-color: var(--background-gray);
    padding: 100px 0;
}

.contact-content {
    display: flex;
    gap: 60px;
}

.contact-left {
    flex: 0.4;
}

.contact-right {
    flex: 0.6;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: rgba(42, 157, 143, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon i {
    font-size: 24px;
    color: var(--primary-green);
}

.contact-text h4 {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.contact-text p {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.8;
}

.contact-form {
    background-color: var(--text-white);
    border: 1px solid var(--border-light);
    padding: 30px;
    border-radius: 8px;
}

.form-title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-textarea {
    resize: vertical;
}

.form-error {
    display: block;
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.form-checkbox span {
    font-size: 14px;
    color: var(--text-dark);
}

.form-checkbox a {
    color: var(--primary-green);
}

.form-checkbox a:hover {
    text-decoration: underline;
}

.form-submit {
    width: 100%;
    padding: 14px 0;
    background-color: var(--primary-green);
    color: var(--text-white);
    font-size: 18px;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form-submit:hover {
    background-color: #23847a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.form-submit:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

/* ==================== 模块9：页脚 ==================== */
.site-footer {
    background-color: var(--primary-blue);
    color: var(--text-white);
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-left {
    flex: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

.footer-logo i {
    color: var(--primary-green);
    font-size: 24px;
    margin-right: 10px;
}

.footer-slogan {
    font-size: 18px;
    color: var(--text-light);
}

.footer-center {
    flex: 2;
    text-align: center;
}

.footer-name {
    font-size: 16px;
    margin-bottom: 10px;
}

.footer-icp {
    font-size: 14px;
    margin-bottom: 10px;
}

.footer-icp a {
    color: var(--text-white);
    transition: color 0.3s ease;
}

.footer-icp a:hover {
    color: var(--primary-green);
}

.footer-notice {
    font-size: 14px;
    color: var(--text-light);
}

.footer-right {
    flex: 1;
}

.footer-copyright {
    font-size: 14px;
    color: var(--text-light);
}

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

.footer-links a {
    color: var(--text-white);
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-divider {
    margin: 0 15px;
    color: var(--text-light);
}

/* ==================== 回到顶部按钮 ==================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-green);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    font-size: 20px;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-blue);
    transform: translateY(-3px);
}

/* ==================== 成功提示 ==================== */
.success-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--primary-green);
    color: var(--text-white);
    padding: 30px 50px;
    border-radius: 8px;
    font-size: 18px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.success-message.show {
    opacity: 1;
    visibility: visible;
}

.success-message i {
    margin-right: 10px;
    font-size: 24px;
}