/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    color: #333;
    line-height: 1.6;
    transition: all 0.3s ease;
}

body.menu-open {
    overflow: hidden;
}

body.menu-open::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    margin: 10px 5px;
}

.primary {
    background-color: #0052ff;
    color: white;
}

.primary:hover {
    background-color: #0046d9;
}

.secondary {
    background-color: #f2f2f2;
    color: #0052ff;
    border: 1px solid #0052ff;
}

.secondary:hover {
    background-color: #e6e6e6;
}

/* 头部样式 */
header {
    background-color: #377cff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

.logo {
    margin-right: auto;
}

.logo img {
    height: 40px;
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: #333;
    z-index: 1002;
}

.header-right {
    display: flex;
    align-items: center;
}

nav ul {
    display: flex;
    margin-right: 20px;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #333;
    font-weight: 500;
}

nav ul li a:hover, 
nav ul li a.active {
    color: #0052ff;
    border-bottom: 2px solid #0052ff;
}

.language-selector {
    position: relative;
    cursor: pointer;
    margin-left: 15px;
}

.language-selector img {
    width: 20px;
    vertical-align: middle;
    margin-right: 5px;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: none;
    min-width: 150px;
}

.language-selector:hover .language-dropdown {
    display: block;
}

.language-dropdown li {
    padding: 10px;
}

.language-dropdown li:hover {
    background-color: #f2f2f2;
}

/* 主要内容区域 */
main {
    margin-top: 70px;
}

/* 英雄区域 */
.hero {
    position: relative;
    padding: 0;
    overflow: hidden;
    height: 80vh;
    background-color: #000;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.7;
}

.video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    background-color: transparent;
    padding: 60px 0;
    height: 100%;
    display: flex;
    align-items: flex-start;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    width: 90%;
}

.features {
    margin: 20px auto;
    max-width: 600px;
    width: 80%;
}

.features p {
    margin: 15px 0;
    font-size: 1.1rem;
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    position: relative;
    padding-left: 35px;
    text-align: left;
}

.check-icon {
    color: #00c853;
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.highlight {
    font-size: 1.1rem;
    font-weight: normal;
    margin: 15px auto;
    color: #ffffff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    text-align: left;
    max-width: 600px;
}

/* 图片画廊 */
.image-gallery {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px auto;
    max-width: 1100px;
    align-items: flex-start;
    width: 100%;
    padding: 0 15px;
}

.gallery-item {
    flex: 1;
    max-width: 350px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border-radius: 0;
    overflow: hidden;
    height: 300px;
    background-color: #000;
    border: 2px solid rgba(0, 255, 255, 0.2);
    width: calc(33.33% - 14px);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.gallery-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    transform: translateZ(0);
}

/* 为第一张图片单独设置样式 */
.gallery-item:first-child {
    border: none;
    background-color: transparent;
}

.gallery-item:first-child img {
    object-fit: contain;
    padding: 0;
    width: 100%;
    background-color: transparent;
}

.gallery-item.with-button {
    display: flex;
    flex-direction: column;
    height: auto;
    overflow: visible;
}

.gallery-item.with-button:nth-child(2) {
    background-color: #0052ff;
}

.gallery-item.with-button:nth-child(3) {
    background-color: #5e1f89;
}

.gallery-item.with-button img {
    height: 230px;
    object-fit: cover;
    max-height: 100%;
    width: 100%;
}

.gallery-item.with-button .btn {
    margin: 15px auto 0;
    border-radius: 30px;
    padding: 12px 30px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80%;
    position: static;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    font-size: 18px;
    font-weight: bold;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 每日收益区域 */
.daily-income {
    padding: 60px 0;
    background-color: white;
}

.daily-income-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.daily-income-text {
    flex: 1;
    text-align: left;
}

.daily-income h3 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}

.daily-income p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #555;
    max-width: 500px;
}

.daily-income-buttons {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.social-icon:hover {
    transform: scale(1.1);
}

.social-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.daily-income-image {
    flex: 1;
    max-width: 600px;
}

.daily-income-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    transform: translateZ(0);
}

/* 团队协作区域 */
.team-collaboration {
    padding: 60px 0;
    text-align: center;
    background-color: #f8f9fa;
}

.team-collaboration h3 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}

.team-collaboration p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.team-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.team-card {
    flex: 1;
    max-width: 600px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.team-card-header {
    background-color: #c2f0d9;
    padding: 25px 30px;
    text-align: left;
    height: auto;
    min-height: 90px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    z-index: 2;
    position: relative;
}

.team-card-header-content {
    flex: 1;
}

.team-card-header h4 {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 5px;
    font-weight: bold;
}

.team-card-header p {
    font-size: 1rem;
    color: #555;
    margin-bottom: 0;
}

.team-card-header .btn {
    margin-left: 20px;
    border: 1px solid #555;
    color: #555;
    background-color: transparent;
    padding: 10px 30px;
    border-radius: 25px;
    font-size: 1rem;
    white-space: nowrap;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.team-card-header .btn:hover {
    background-color: #555;
    color: white;
}

.team-card-image {
    width: 100%;
    margin-top: -1px;
    flex-grow: 1;
    position: relative;
    z-index: 1;
    max-height: 400px;
    overflow: hidden;
}

.team-card-image img {
    width: 100%;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 指南区域 */
.guide {
    padding: 60px 0;
    background-color: white;
}

.guide h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: bold;
}

.guide p {
    margin-bottom: 20px;
    color: #555;
}

.requirements, .gas-help {
    margin: 30px 0;
}

.requirements h4, .gas-help h4 {
    margin-bottom: 15px;
    color: #333;
    font-weight: bold;
    font-size: 1.3rem;
}

.requirements ol {
    padding-left: 20px;
}

.requirements li {
    margin: 10px 0;
    color: #555;
}

/* 联系部分 */
.contact-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.contact-section .social-icons {
    display: flex;
    gap: 15px;
}

.contact-section .social-icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.contact-section .social-icon:hover {
    transform: scale(1.1);
}

.contact-section .social-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-btn {
    background-color: #000;
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s ease;
    text-decoration: none;
}

.contact-btn:hover {
    background-color: #333;
    text-decoration: none;
}

/* 链接样式 */
.guide a:not(.btn):not(.social-icon) {
    color: #0052ff;
    text-decoration: underline;
}

.guide a:not(.btn):not(.social-icon):hover {
    text-decoration: none;
}

/* 页脚 */
footer {
    background-color: #333;
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* 动画效果 */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* 响应式设计 */
/* 大屏幕设备 (1200px以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .gallery-item {
        max-width: 350px;
    }
}

/* 中等屏幕设备 (992px-1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .gallery-item {
        max-width: 300px;
    }
    
    .daily-income-content {
        padding: 0 20px;
    }
    
    .team-cards {
        padding: 0 20px;
    }
}

/* 平板设备 (768px-991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .daily-income-content {
        flex-direction: column;
        text-align: center;
    }
    
    .daily-income-text {
        margin-bottom: 30px;
        text-align: center;
    }
    
    .daily-income p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .daily-income-buttons {
        justify-content: center;
    }
    
    .team-cards {
        flex-direction: column;
        align-items: center;
    }
    
    .team-card {
        width: 100%;
        max-width: 600px;
        margin-bottom: 30px;
    }
    
    .cs-dialog {
        right: 30px;
        width: 320px;
    }
    
    header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo {
        margin-right: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        order: 2;
    }
    
    .header-right {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: white;
        flex-direction: column;
        padding: 70px 20px 20px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1001;
        align-items: flex-start;
    }
    
    .header-right.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
        margin: 0 0 20px;
    }
    
    nav ul li {
        margin: 10px 0;
        width: 100%;
    }
    
    nav ul li a {
        display: block;
        padding: 10px 0;
        width: 100%;
    }
    
    .language-selector {
        margin: 10px 0;
        align-self: flex-start;
    }
    
    .daily-income-buttons {
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }
}

/* 手机设备 (767px以下) */
@media (max-width: 767px) {
    .container {
        max-width: 540px;
    }
    
    .team-features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature {
        margin-bottom: 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
        padding: 0 15px;
    }
    
    header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 10px 15px;
    }
    
    .logo {
        margin: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        order: 2;
    }
    
    .header-right {
        position: fixed;
        top: 0;
        right: -300px;
        width: 300px;
        height: 100vh;
        background-color: white;
        flex-direction: column;
        padding: 70px 20px 20px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1001;
        align-items: flex-start;
    }
    
    .header-right.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        width: 100%;
        margin: 0 0 20px;
    }
    
    nav ul li {
        margin: 10px 0;
        width: 100%;
    }
    
    nav ul li a {
        display: block;
        padding: 10px 0;
        width: 100%;
        border-bottom: none;
    }
    
    nav ul li a:hover, 
    nav ul li a.active {
        border-bottom: none;
        background-color: #f5f5f5;
    }
    
    .language-selector {
        margin: 10px 0;
        align-self: flex-start;
    }
    
    .hero {
        height: auto;
        min-height: 100vh;
    }
    
    .image-gallery {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .gallery-item {
        margin-bottom: 20px;
        width: 100%;
        max-width: 100%;
    }
    
    .daily-income-content {
        flex-direction: column;
        text-align: center;
    }
    
    .daily-income-text {
        margin-bottom: 30px;
        text-align: center;
    }
    
    .daily-income p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .daily-income-buttons {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .team-cards {
        flex-direction: column;
        align-items: center;
        padding: 0 15px;
    }
    
    .team-card {
        width: 100%;
        margin-bottom: 30px;
    }
    
    .team-card-header {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    
    .team-card-header .btn {
        margin: 15px 0 0;
    }
    
    .contact-section {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-btn {
        width: 100%;
        text-align: center;
    }
    
    .floating-icons {
        right: 10px;
        bottom: 10px;
        gap: 10px;
    }
    
    .floating-icon {
        width: 50px;
        height: 50px;
    }
    
    .cs-dialog {
        right: 20px;
        bottom: 80px;
        width: calc(100% - 40px);
        max-width: 350px;
    }
}

/* 小型手机设备 (479px以下) */
@media (max-width: 479px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .features p {
        font-size: 1rem;
    }
    
    .highlight {
        font-size: 1rem;
    }
    
    nav ul li {
        margin: 0 5px;
    }
    
    nav ul li a {
        font-size: 0.9rem;
    }
    
    .daily-income h3, .team-collaboration h3, .guide h3 {
        font-size: 2rem;
    }
    
    .team-card-header h4 {
        font-size: 1.3rem;
    }
    
    .floating-icons {
        right: 5px;
        bottom: 5px;
    }
    
    .floating-icon {
        width: 45px;
        height: 45px;
    }
    
    .cs-dialog {
        right: 10px;
        bottom: 70px;
        width: calc(100% - 20px);
        max-height: 80vh;
    }
    
    .cs-dialog-body {
        max-height: calc(80vh - 60px);
    }
    
    .cs-content p {
        font-size: 13px;
    }
    
    .daily-income-buttons {
        gap: 10px;
    }
    
    .social-icons {
        gap: 10px;
    }
    
    .social-icon {
        width: 50px;
        height: 50px;
    }
    
    .btn.secondary {
        padding: 10px 25px;
        font-size: 0.9rem;
    }
}

/* 左下角固定图标组 */
.floating-icons {
    position: fixed;
    right: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.floating-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    overflow: hidden;
}

.floating-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.floating-icon.customer-service {
    background-color: transparent;
    overflow: hidden;
}

.floating-icon.customer-service img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 客服对话窗口 */
.cs-dialog {
    position: fixed;
    bottom: 90px;
    right: 90px;
    width: 350px;
    height: auto;
    max-height: 500px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    flex-direction: column;
    overflow: hidden;
    z-index: 1001;
    display: none; /* 确保初始状态是隐藏的 */
    transition: all 0.3s ease;
}

.cs-dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: linear-gradient(to right, #0099ff, #33ccff);
    color: white;
}

.cs-header-content {
    display: flex;
    align-items: center;
}

.cs-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: 10px;
    background-color: white;
    padding: 2px;
}

.cs-header-text {
    display: flex;
    flex-direction: column;
}

.cs-header-text h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.cs-header-text p {
    margin: 0;
    font-size: 12px;
    opacity: 0.8;
}

.cs-close {
    background: none;
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-dialog-body {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    max-height: 400px;
    background-color: #f5f5f5;
}

.cs-message {
    display: flex;
    margin-bottom: 15px;
}

.cs-content {
    background-color: white;
    padding: 15px;
    border-radius: 10px;
    width: 100%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.cs-content p {
    margin: 8px 0;
    font-size: 14px;
    line-height: 1.5;
}

.cs-content a {
    color: #0099ff;
    text-decoration: none;
    word-break: break-all;
}

.cs-content a:hover {
    text-decoration: underline;
}