/* 防止手机端水平滚动 - 仅在移动端应用 */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden;
        width: 100%;
        max-width: 100%;
    }
}

* {
    box-sizing: border-box;
}

/* 全局样式 */
:root {
    --primary-blue: #323b70;
    /* 深蓝色 - 基于logo */
    --primary-green: #45a649;
    /* 绿色 - 基于logo */
    --light-blue: #4a5394;
    /* 亮蓝色 */
    --light-green: #5cc35f;
    /* 亮绿色 */
    --dark-blue: #1e254b;
    /* 深蓝色 - 鼠标悬停效果 */
    --dark-green: #368a39;
    /* 深绿色 - 鼠标悬停效果 */
    --light-gray: #f5f5f5;
    /* 浅灰色背景 */
    --medium-gray: #e0e0e0;
    /* 中灰色边框等 */
    --dark-gray: #333333;
    /* 深灰色文字 */
    --white: #ffffff;
    /* 白色 */
}

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

body {
    font-family: "Noto Sans SC", "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--dark-blue);
}

ul {
    list-style-type: none;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 1rem;
    line-height: 1.3;
}

h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
}

/* 两行标题样式 */
h2 .title-main {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

h2 .title-sub {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--primary-blue);
    letter-spacing: 1px;
    text-transform: uppercase;
}

p {
    margin-bottom: 1rem;
}

section {
    padding: 80px 0;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    text-align: center;
    font-weight: 600;
}

.btn:hover {
    background-color: var(--dark-blue);
    color: var(--white);
}

.text-link {
    position: relative;
    font-weight: 600;
    padding-right: 20px;
}

.text-link:after {
    content: "→";
    position: absolute;
    right: 0;
    transition: transform 0.3s ease;
}

.text-link:hover:after {
    transform: translateX(5px);
}

/* 导航栏样式 */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: 70px;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 15px;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    height: 45px;
}

.logo img {
    height: 45px;
}

/* 桌面端导航 */
.desktop-nav ul {
    display: flex;
    align-items: center;
}

.desktop-nav ul li {
    margin-left: 30px;
    position: relative;
    display: flex;
    align-items: center;
}

.desktop-nav ul li a {
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    height: 45px;
}

.desktop-nav ul li a:after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
    transition: width 0.3s ease;
}

.desktop-nav ul li a:hover,
.desktop-nav ul li a.active {
    color: var(--primary-blue);
}

.desktop-nav ul li a:hover:after,
.desktop-nav ul li a.active:after {
    width: 100%;
}

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 32px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:focus {
    outline: none;
}

.hamburger-line {
    display: block;
    height: 3px;
    width: 100%;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* 移动端导航覆盖层 */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 移动端导航容器 */
.mobile-nav-container {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: linear-gradient(135deg, var(--white) 0%, #f8f9ff 100%);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow-y: auto;
    padding: 15px;
    margin: 10px;
}

.mobile-nav-overlay.active .mobile-nav-container {
    transform: translateX(0);
}

/* 移动端导航头部 */
.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--medium-gray);
    background: var(--white);
}

.mobile-nav-logo img {
    height: 35px;
}

.mobile-nav-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-gray);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--primary-blue);
    font-size: 18px;
}

.mobile-nav-close:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: rotate(90deg);
}

/* 移动端导航菜单 */
.mobile-nav {
    padding: 30px 0;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0 20px;
}

.mobile-nav-item {
    margin-bottom: 8px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 18px 20px;
    color: var(--dark-gray);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    justify-content: center;
}

.mobile-nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    transition: left 0.3s ease;
    z-index: -1;
}

.mobile-nav-link:hover::before,
.mobile-nav-link.active::before {
    left: 0;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--white);
    transform: translateX(5px);
}

.mobile-nav-link i {
    width: 24px;
    font-size: 20px;
    margin-right: 15px;
    text-align: center;
}

.mobile-nav-link span {
    font-size: 16px;
    font-weight: 500;
}

/* 移动端语言选择区域 */
.mobile-language-section {
    margin: 40px 20px 30px;
    padding: 25px 20px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.mobile-language-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 20px;
    text-align: center;
}

.mobile-language-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-language-option {
    display: flex;
    align-items: center;
    padding: 15px;
    background: var(--light-gray);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-language-option:hover {
    background: var(--medium-gray);
    transform: translateY(-2px);
}

.mobile-language-option.active {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    color: var(--white);
}

.language-flag {
    font-size: 24px;
    margin-right: 15px;
    width: 32px;
    text-align: center;
}

.language-info {
    flex: 1;
}

.language-name {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-gray);
}

.mobile-language-option.active .language-name,
.mobile-language-option.active .language-desc {
    color: var(--white);
}

.language-desc {
    display: block;
    font-size: 12px;
    color: #666;
    margin-top: 2px;
}

.language-check {
    color: var(--primary-green);
    font-size: 18px;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
}

.mobile-language-option.active .language-check {
    opacity: 1;
    transform: scale(1);
    color: var(--white);
}

/* 移动端导航底部 */
.mobile-nav-footer {
    margin-top: auto;
    padding: 25px;
    border-top: 1px solid var(--medium-gray);
    background: var(--white);
}

.mobile-contact-info {
    margin-bottom: 20px;
}

.mobile-contact-info p {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 8px;
}

.mobile-contact-info i {
    width: 20px;
    margin-right: 10px;
    color: var(--primary-blue);
}

.mobile-social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* 轮播图样式 */
.hero-carousel {
    position: relative;
    height: 85vh;
    min-height: 600px;
    max-height: 1100px;
    margin-bottom: 0;
    overflow: hidden;
}

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

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.slide:first-child {
    opacity: 1;
    z-index: 2;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background: rgba(0, 0, 0, 0.4);
    z-index: 3;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    font-weight: 700;
}

.slide-content p {
    font-size: 1.8rem;
    margin-bottom: 2.5rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    font-weight: 500;
    max-width: 800px;
    padding: 0 20px;
}

.slide-content .btn {
    font-size: 1.1rem;
    padding: 15px 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.slide-content .btn:hover {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

/* 轮播图控制按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 4;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

/* 轮播图指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 4;
}

.indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active,
.indicator:hover {
    background-color: var(--primary-blue);
    transform: scale(1.2);
}

/* 关于我们概览样式 */
.about-overview {
    background-color: var(--light-gray);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

/* 核心战略样式 */
.strategy-cards {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
    overflow-x: auto;
}

.strategy-card {
    flex: 1;
    min-width: 250px;
    max-width: 280px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 25px;
    text-align: center;
    transition: transform 0.3s ease;
}

.strategy-card:hover {
    transform: translateY(-10px);
}

.strategy-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.strategy-card:nth-child(2) .strategy-icon {
    color: var(--primary-green);
}

.strategy-card:nth-child(3) .strategy-icon {
    background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.strategy-card h3 {
    margin-bottom: 15px;
}

.strategy-card ul {
    text-align: left;
    margin-left: 20px;
    list-style-type: disc;
}

.strategy-card ul li {
    margin-bottom: 10px;
}

/* 我们的优势样式 */
.advantages {
    background-color: var(--primary-blue);
    color: var(--white);
}

.advantages h2 {
    color: var(--white);
}

.advantages h2:after {
    background: var(--primary-green);
}

.advantage-items {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.advantage-item {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 30px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
}

.advantage-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-green);
}

/* 投资案例预览样式 */
.portfolio-items {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.portfolio-item {
    flex: 1;
    min-width: 300px;
    padding: 30px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
}

.portfolio-item h3 {
    color: var(--primary-blue);
    border-bottom: 2px solid var(--primary-green);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

/* 合作模式样式 */
.partnership {
    background-color: var(--light-gray);
}

.section-desc {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.2rem;
}

.partnership-models {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.partnership-model {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 30px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.partnership-model:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(var(--primary-blue), var(--primary-green));
}

.partnership-model:hover {
    transform: translateY(-10px);
}

.partnership-model h3 {
    margin-bottom: 15px;
    color: var(--primary-blue);
}

/* 页脚样式 */
footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    flex: 1;
    min-width: 200px;
}

.footer-logo img {
    max-width: 200px;
    margin-bottom: 20px;
}

.footer-contact {
    flex: 1;
    min-width: 300px;
}

.footer-contact p {
    white-space: nowrap;
}

.footer-links {
    flex: 1;
    min-width: 200px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--white);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* 页面标题样式 */
.page-title {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://www.ryoushivc.com/1.png');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 150px 0 70px;
    margin-top: 70px;
    /* 调整为导航栏的高度 */
}

.page-title h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* 页面标题样式 - 大小标题 */
.page-title .title-main {
    font-size: 3rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.page-title .title-sub {
    font-size: 1.8rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.breadcrumb {
    font-size: 1rem;
}

.breadcrumb a {
    color: var(--white);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 0.8;
}

/* 公司简介样式 */
.company-intro {
    background-color: var(--white);
}

.intro-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.intro-image {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.intro-text {
    flex: 1;
    min-width: 300px;
}

.intro-text h2 {
    text-align: left;
}

.intro-text h2:after {
    left: 0;
    transform: none;
}

/* 投资理念样式 */
.investment-philosophy {
    background-color: var(--light-gray);
}

.philosophy-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.philosophy-text {
    flex: 1;
    min-width: 300px;
    order: 2;
}

.philosophy-image {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    order: 1;
}

.philosophy-text h2 {
    text-align: left;
}

.philosophy-text h2:after {
    left: 0;
    transform: none;
}

/* 团队介绍样式 */
.team-intro {
    background-color: var(--white);
}

.team-members {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.team-member {
    flex: 1;
    min-width: 300px;
    max-width: 350px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
}

.member-photo {
    height: 250px;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-member:hover .member-photo img {
    transform: scale(1.05);
}

.member-info {
    padding: 25px;
}

.member-info h3 {
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.member-title {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 15px;
}

/* 荣誉与成就样式 */
.achievements {
    background-color: var(--light-gray);
}

.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.achievement-item {
    display: flex;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 25px;
    transition: transform 0.3s ease;
}

.achievement-item:hover {
    transform: translateX(10px);
}

.achievement-icon {
    flex: 0 0 80px;
    font-size: 2.5rem;
    color: var(--primary-blue);
    display: flex;
    justify-content: center;
    align-items: center;
}

.achievement-content {
    flex: 1;
}

.achievement-content h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
}

/* 联系信息样式 */
.contact-info {
    background-color: var(--white);
    padding-bottom: 40px;
}

.contact-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.contact-card {
    flex: 1;
    min-width: 250px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-10px);
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--primary-blue);
}

.contact-card:nth-child(2) .contact-icon {
    color: var(--primary-green);
}

.contact-card:nth-child(3) .contact-icon {
    color: var(--light-blue);
}

.contact-card:nth-child(4) .contact-icon {
    color: var(--light-green);
}

.contact-card h3 {
    margin-bottom: 10px;
    color: var(--dark-gray);
}

.contact-card p {
    margin-bottom: 5px;
}

/* 联系表单样式 */
.contact-form {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.contact-form .container {
    max-width: 800px;
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
}

.form-row .form-group {
    flex: 1;
    min-width: 250px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.required {
    color: #e74c3c;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-blue);
    outline: none;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 10px;
}

.checkbox-group label {
    margin-bottom: 0;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.form-submit .btn {
    padding: 12px 40px;
    font-size: 1.05rem;
}

/* 地图样式 */
.map-section {
    background-color: var(--white);
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 投资领域介绍样式 */
.portfolio-intro {
    background-color: var(--white);
}

.portfolio-sectors {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.sector {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 30px;
    background-color: var(--light-gray);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.sector:hover {
    transform: translateY(-10px);
}

.sector-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.sector:nth-child(2) .sector-icon {
    color: var(--primary-green);
}

.sector:nth-child(3) .sector-icon {
    background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sector h3 {
    margin-bottom: 15px;
}

/* 中国投资案例样式 */
.china-portfolio {
    background-color: var(--light-gray);
}

.portfolio-categories {
    margin-bottom: 40px;
    text-align: center;
}

.category-filter {
    display: inline-flex;
    background-color: var(--white);
    border-radius: 30px;
    padding: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.filter {
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 25px;
    margin: 0 5px;
    font-weight: 500;
}

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

.filter.active {
    background-color: var(--primary-blue);
    color: var(--white);
}

.portfolio-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.portfolio-item {
    display: flex;
    flex-wrap: wrap;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
}

.portfolio-img {
    flex: 0 0 300px;
    background-color: var(--medium-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-content {
    flex: 1;
    padding: 30px;
    min-width: 300px;
}

.portfolio-content h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.portfolio-category {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 15px;
}

.portfolio-highlights {
    background-color: var(--light-gray);
    border-radius: 6px;
    padding: 15px 20px;
    margin-top: 20px;
}

.portfolio-highlights h4 {
    margin-bottom: 10px;
    color: var(--primary-blue);
}

.portfolio-highlights ul {
    list-style-type: disc;
    margin-left: 20px;
}

.portfolio-highlights ul li {
    margin-bottom: 5px;
}

/* 日本投资计划样式 */
.japan-investment {
    background-color: var(--white);
}

.investment-plan {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.plan-text {
    flex: 1;
    min-width: 300px;
}

.plan-text p {
    margin-bottom: 15px;
}

.plan-text ul {
    margin: 20px 0;
    list-style-type: none;
}

.plan-text ul li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
}

.plan-text ul li:before {
    content: "•";
    color: var(--primary-blue);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

.highlight {
    color: var(--primary-blue);
    font-weight: 600;
}

.plan-image {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.plan-text .btn {
    margin-top: 20px;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .slide-content h1 {
        font-size: 2.5rem;
    }

    .slide-content p {
        font-size: 1.4rem;
    }

    section {
        padding: 60px 0;
    }

    .philosophy-text,
    .philosophy-image {
        order: unset;
    }

    .portfolio-img {
        height: 300px;
    }

    .carousel-btn {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }

    .prev-btn {
        left: 20px;
    }

    .next-btn {
        right: 20px;
    }
}

/* 移动端样式 */
@media (max-width: 768px) {

    /* 隐藏桌面端导航 */
    .desktop-nav {
        display: none;
    }

    /* 显示移动端菜单按钮 */
    .mobile-menu-toggle {
        display: flex;
    }

    /* 防止移动端菜单打开时背景滚动 */
    body.nav-open {
        position: fixed;
        top: 0;
        width: 100%;
        overflow: hidden;
    }

    /* 确保所有元素不超出屏幕宽度 */
    .container,
    .hero-carousel,
    .slide,
    .carousel-container,
    .mobile-nav-overlay,
    .mobile-nav-container {
        max-width: 100%;
    }

    /* 页面内容调整 */
    .hero-carousel {
        height: 85vh;
        min-height: 650px;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1.2rem;
    }

    .carousel-btn {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }

    .prev-btn {
        left: 15px;
    }

    .next-btn {
        right: 15px;
    }

    .carousel-indicators {
        bottom: 20px;
        gap: 10px;
    }

    .indicator {
        width: 12px;
        height: 12px;
    }

    .intro-content,
    .about-content,
    .philosophy-content,
    .investment-plan {
        flex-direction: column;
    }

    .philosophy-text,
    .philosophy-image,
    .intro-text,
    .intro-image {
        order: unset;
    }

    .team-member {
        flex-direction: column;
    }

    .achievement-item {
        flex-direction: column;
        text-align: center;
    }

    .achievement-icon {
        margin-bottom: 15px;
    }

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

    .form-row {
        flex-direction: column;
    }

    .portfolio-item {
        flex-direction: column;
    }

    .portfolio-img {
        height: 250px;
    }

    .category-filter {
        flex-wrap: wrap;
        justify-content: center;
        padding: 10px;
        border-radius: 15px;
    }

    .filter {
        margin: 5px;
        padding: 8px 15px;
    }

    .investment-plan {
        text-align: center;
    }

    .slide-bg {
        background-attachment: scroll;
    }

    /* 移动端隐藏页脚快速链接 */
    .footer-links {
        display: none;
    }

    /* 移动端隐藏页脚logo */
    .footer-logo {
        display: none;
    }

    /* 页面标题移动端样式 */
    .page-title .title-main {
        font-size: 2.2rem;
    }

    .page-title .title-sub {
        font-size: 1.4rem;
        letter-spacing: 1px;
    }

    /* 移动端核心战略卡片样式 */
    .strategy-cards {
        flex-wrap: wrap;
        gap: 15px;
    }

    .strategy-card {
        min-width: 280px;
        max-width: 100%;
        padding: 20px;
    }
}

@media (min-width: 769px) {

    /* 隐藏移动端导航 */
    .mobile-menu-toggle,
    .mobile-nav-overlay {
        display: none !important;
    }

    .slide-bg {
        background-attachment: fixed;
    }
}

@media (max-width: 480px) {
    header .container {
        height: 60px;
    }

    .logo img {
        height: 35px;
    }

    .slide-content h1 {
        font-size: 1.5rem;
    }

    .slide-content p {
        font-size: 0.9rem;
    }

    .slide-content .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .carousel-btn {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .prev-btn {
        left: 10px;
    }

    .next-btn {
        right: 10px;
    }

    .carousel-indicators {
        bottom: 15px;
        gap: 8px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }

    h2 {
        font-size: 1.5rem;
    }

    /* 页面标题小屏幕样式 */
    .page-title .title-main {
        font-size: 1.8rem;
    }

    .page-title .title-sub {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }

    .partners-track {
        gap: 30px;
        animation-duration: 20s;
    }

    .partner-logo {
        flex: 0 0 140px;
        height: 60px;
        padding: 10px;
    }

    /* 移动端导航容器在小屏幕上占满屏幕 */
    .mobile-nav-container {
        max-width: 100%;
    }

    /* 超小屏幕核心战略卡片样式 */
    .strategy-cards {
        gap: 10px;
    }

    .strategy-card {
        min-width: 100%;
        padding: 15px;
        font-size: 0.9rem;
    }

    .strategy-icon {
        font-size: 2rem;
        margin-bottom: 15px;
    }
}

/* 合作概述样式 */
.partnership-overview {
    background-color: var(--white);
}

.overview-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.overview-text {
    flex: 1;
    min-width: 300px;
}

.overview-text h2 {
    text-align: left;
}

.overview-text h2:after {
    left: 0;
    transform: none;
}

.overview-image {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 三大合作模式详情样式 */
.partnership-models-detail {
    background-color: var(--light-gray);
}

.model-detail {
    display: flex;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 40px;
    overflow: hidden;
}

.model-icon {
    flex: 0 0 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-blue);
    color: var(--white);
    font-size: 3rem;
}

.model-detail:nth-child(3) .model-icon {
    background-color: var(--primary-green);
}

.model-detail:nth-child(4) .model-icon {
    background: linear-gradient(to bottom, var(--primary-blue), var(--primary-green));
}

.model-content {
    flex: 1;
    padding: 30px;
}

.model-content h3 {
    color: var(--primary-blue);
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.model-subtitle {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: 20px;
}

.model-description p {
    margin-bottom: 20px;
}

.model-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.feature h4 {
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.feature h4 i {
    margin-right: 10px;
    color: var(--primary-green);
}

.success-case {
    background-color: var(--light-gray);
    border-radius: 6px;
    padding: 20px;
    margin-top: 20px;
}

.success-case h4 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

/* 合作流程样式 */
.partnership-process {
    background-color: var(--white);
}

.process-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
    position: relative;
}

.process-steps:after {
    content: "";
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
    z-index: 0;
}

.process-step {
    flex: 1;
    min-width: 170px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--white);
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    background-color: var(--primary-blue);
    color: var(--white);
}

.process-step h3 {
    margin-bottom: 10px;
}

/* 合作伙伴样式 */
.partners {
    background-color: var(--light-gray);
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.partner {
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.partner:hover {
    transform: translateY(-10px);
}

.partner img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.partner h3 {
    margin: 20px 0 10px;
    color: var(--primary-blue);
    padding: 0 15px;
}

.partner p {
    color: var(--dark-gray);
    padding: 0 15px 20px;
}

/* 响应式设计调整 */
@media (max-width: 991px) {
    .model-detail {
        flex-direction: column;
    }

    .model-icon {
        flex: 0 0 auto;
        height: 120px;
        width: 100%;
    }

    .process-steps:after {
        display: none;
    }
}

@media (max-width: 768px) {

    .overview-content,
    .model-features {
        flex-direction: column;
    }

    .process-step {
        flex: 0 0 100%;
    }
}

/* 移动端导航页脚 */
.nav-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    font-size: 14px;
}

.nav-footer p {
    margin-bottom: 5px;
    color: var(--primary-blue);
}

.nav-footer p:last-child {
    color: var(--dark-gray);
    font-size: 12px;
}

/* 合作伙伴滚动展示样式 */
.partners-showcase {
    background-color: var(--white);
    padding: 80px 0;
    overflow: hidden;
}

.partners-showcase h2 {
    margin-bottom: 1rem;
}

.partners-showcase .section-desc {
    text-align: center;
    margin-bottom: 50px;
    font-size: 1.1rem;
    color: var(--dark-gray);
}

.partners-slider {
    width: 100%;
    overflow: hidden;
    position: relative;
    mask: linear-gradient(to right,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%);
    -webkit-mask: linear-gradient(to right,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%);
}

.partners-track {
    display: flex;
    width: 200%;
    /* 双倍宽度以包含重复的logos */
    animation: scroll-partners 30s linear infinite;
    gap: 60px;
    align-items: center;
}

.partner-logo {
    flex: 0 0 250px;
    /* 增加固定宽度 从200px到250px */
    height: 100px;
    /* 增加高度 从80px到100px */
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 20px;
    /* 增加内边距 从15px到20px */
    transition: all 0.3s ease;
    border: 1px solid var(--medium-gray);
}

.partner-logo:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-blue);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: all 0.3s ease;
}

.partner-logo:hover img {
    filter: grayscale(0%) opacity(1);
}

/* 滚动动画 */
@keyframes scroll-partners {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
        /* 移动50%以回到起始位置 */
    }
}

/* 鼠标悬停时暂停动画 */
.partners-slider:hover .partners-track {
    animation-play-state: paused;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .partners-track {
        gap: 40px;
        animation-duration: 25s;
        /* 移动端稍快一点 */
    }

    .partner-logo {
        flex: 0 0 180px;
        /* 从150px增加到180px */
        height: 75px;
        /* 从60px增加到75px */
        padding: 12px;
        /* 从10px增加到12px */
    }

    .partners-showcase {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .partners-track {
        gap: 30px;
        animation-duration: 20s;
    }

    .partner-logo {
        flex: 0 0 140px;
        height: 60px;
        padding: 10px;
    }
}

/* 移动端两行标题适配 */
@media (max-width: 768px) {
    h2 .title-main {
        font-size: 1.6rem;
        margin-bottom: 0.3rem;
    }

    h2 .title-sub {
        font-size: 1rem;
        letter-spacing: 0.5px;
    }
}

@media (max-width: 480px) {
    h2 .title-main {
        font-size: 1.4rem;
        margin-bottom: 0.2rem;
    }

    h2 .title-sub {
        font-size: 0.9rem;
        letter-spacing: 0.3px;
    }
}

/* 语言切换下拉菜单（桌面端） */
.language-dropdown {
    position: relative;
    margin-left: 20px;
}

.language-current {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--dark-gray);
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 30px;
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border: 1px solid var(--medium-gray);
    min-width: 120px;
    justify-content: space-between;
    height: 45px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.language-current:hover {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, var(--white) 0%, #f8f9ff 100%);
    box-shadow: 0 4px 15px rgba(50, 59, 112, 0.15);
    transform: translateY(-1px);
}

.language-current i:first-child {
    margin-right: 8px;
    color: var(--primary-blue);
    font-size: 1rem;
}

.language-current i:last-child {
    margin-left: 8px;
    font-size: 0.8rem;
    transition: transform 0.3s ease;
    color: var(--primary-blue);
}

.language-dropdown:hover .language-current i:last-child {
    transform: rotate(180deg);
}

.language-options {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 180px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.language-dropdown:hover .language-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.language-options::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 25px;
    width: 12px;
    height: 12px;
    background: var(--white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: none;
    border-right: none;
    transform: rotate(45deg);
}

.language-options a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--dark-gray);
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    margin: 2px 8px;
    border-radius: 8px;
    text-decoration: none;
}

.language-options a:hover {
    background: linear-gradient(135deg, var(--light-gray) 0%, #f0f2f5 100%);
    color: var(--primary-blue);
    transform: translateX(3px);
}

.language-options a.active {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--light-blue) 100%);
    color: var(--white) !important;
    box-shadow: 0 3px 12px rgba(50, 59, 112, 0.3);
}

.language-options a.active:hover {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: var(--white) !important;
    transform: translateX(0);
}

.language-options a i {
    margin-right: 12px;
    width: 18px;
    text-align: center;
    font-size: 0.9rem;
}

.language-options a.active i {
    color: var(--white) !important;
}

.language-options a span {
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.language-options a.active span {
    color: var(--white) !important;
    font-weight: 600;
}

.language-options a::after {
    content: '';
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 0;
    width: calc(100% - 16px);
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    transition: width 0.3s ease;
    opacity: 0;
}

.language-options a:hover::after {
    opacity: 1;
}

.language-options a.active::after {
    opacity: 1;
    background: var(--white);
}

/* 战略定位样式 */
.strategic-positioning {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.strategic-positioning::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="%23323b70" opacity="0.1"/></svg>') repeat;
    pointer-events: none;
}

.positioning-content {
    position: relative;
    z-index: 1;
}

.positioning-intro {
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--dark-gray);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.positioning-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.positioning-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.positioning-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.positioning-item:hover::before {
    left: 100%;
}

.positioning-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.positioning-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.positioning-item:hover .positioning-icon {
    transform: scale(1.1) rotate(5deg);
}

.positioning-item h3 {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 0;
    font-weight: 600;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .positioning-items {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .positioning-item {
        padding: 1.5rem;
    }
    
    .positioning-intro {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .positioning-icon {
        width: 60px;
        height: 60px;
    }
    
    .positioning-icon i {
        font-size: 1.5rem;
    }
    
    .positioning-item h3 {
        font-size: 1.1rem;
    }
}

/* 关于我们概览样式 */
.about-overview {
    background-color: var(--light-gray);
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

/* 跨境电商页面样式 */
.ecommerce-content {
    padding: 80px 0;
    background-color: var(--white);
}

.business-section {
    margin-bottom: 60px;
    padding: 40px 0;
    border-bottom: 1px solid var(--medium-gray);
}

.business-section:last-of-type {
    border-bottom: none;
}

.business-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.business-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.business-icon i {
    font-size: 24px;
    color: var(--white);
}

.business-header h3 {
    font-size: 1.8rem;
    color: var(--dark-gray);
    margin: 0;
    font-weight: 700;
}

.business-details {
    display: grid;
    gap: 30px;
    margin-top: 30px;
}

.business-item {
    background: var(--light-gray);
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.business-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-green);
}

.business-item h4 {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.business-item h4 i {
    margin-right: 10px;
    color: var(--primary-blue);
    font-size: 1.2rem;
}

.business-item ul {
    list-style: none;
    padding: 0;
}

.business-item ul li {
    padding: 8px 0;
    color: var(--dark-gray);
    line-height: 1.6;
    position: relative;
    padding-left: 20px;
}

.business-item ul li:before {
    content: "▶";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-size: 0.8rem;
}

.facility-info {
    margin-top: 30px;
}

.facility-desc {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 40px;
    text-align: center;
    font-weight: 500;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.facility-item {
    background: var(--white);
    padding: 30px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.facility-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-blue);
}

.facility-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.facility-item:hover .facility-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(50, 59, 112, 0.3);
}

.facility-icon i {
    font-size: 28px;
    color: var(--white);
}

.facility-item h4 {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-weight: 600;
}

.facility-item p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.advantages-section {
    margin-top: 80px;
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 15px;
    color: var(--white);
}

.advantages-section h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    color: var(--white);
    font-weight: 700;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.advantage-card i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--white);
    display: block;
}

.advantage-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--white);
    font-weight: 600;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .business-header {
        flex-direction: column;
        text-align: center;
    }

    .business-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }

    .business-header h3 {
        font-size: 1.5rem;
    }

    .facility-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .advantages-section {
        margin-top: 60px;
        padding: 40px 20px;
    }

    .facility-item {
        padding: 25px 15px;
    }

    .business-item {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .business-header h3 {
        font-size: 1.3rem;
    }

    .advantages-section h3 {
        font-size: 1.6rem;
    }

    .facility-icon {
        width: 60px;
        height: 60px;
    }

    .facility-icon i {
        font-size: 24px;
    }

    .advantage-card {
        padding: 30px 20px;
    }

    .advantage-card i {
        font-size: 2.5rem;
    }
}