/* 68tt.co 原版样式重建 - 基于真实抓取内容 */

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

body {
    background: #fff;
}

.main-wrapper {
    width: 100%;
    min-height: 100vh;
}

/* Header 样式 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 60px;
}

.header .inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo img {
    height: 35px;
    width: auto;
    display: block;
}

.nav {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-a {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-a:hover, .nav-a.active {
    color: #f0f8ff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* 语言切换 */
.language {
    position: relative;
    cursor: pointer;
}

#language-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
}

#language-toggle img {
    width: 14px;
    height: 14px;
}

#language-options {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: none;
    min-width: 120px;
    z-index: 100;
}

.language:hover #language-options {
    display: block;
}

.lang-item {
    padding: 8px 12px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.lang-item:hover {
    background-color: #f8f9fa;
}

.lang-item.active {
    background-color: #007bff;
    color: #fff;
}

/* 移动端元素 - 默认隐藏 */
.phone-language, #popupContainer, #openBtn, .w-nav, .phone-inner {
    display: none;
}

/* Banner 区域 */
.banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 588px;
    width: 100%;
    min-width: 1200px;
    padding-top: 150px;
    position: relative;
}

.banner .bg {
    width: 1200px;
    height: 500px;
    margin: 0 auto;
    overflow: hidden;
    text-align: center;
    background: url(68tt_static/images/banner.png) center no-repeat;
}

.headImg {
    width: 120px;
    margin: 37.7px auto 0;
}

.headImg img {
    width: 100%;
}

.banner .bg .title {
    margin-top: 40px;
    font-size: 56px;
    color: #fff;
    line-height: 87px;
    font-weight: 700;
}

.banner .bg .description {
    color: #fff;
    line-height: 25px;
    margin-top: 8px;
    font-size: 18px;
}

/* 桌面端内容区域 */
.Index-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 下载区域 */
.download {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
}

.box {
    text-align: center;
    background: #fff;
    padding: 30px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 200px;
    text-decoration: none;
    color: inherit;
}

.box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.box.hide {
    display: block;
}

.box-img {
    margin-bottom: 15px;
}

.box-img img {
    width: 50px;
    height: 50px;
}

.box-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.box p {
    color: #666;
    font-size: 0.9rem;
}

/* 特性区块 */
.block {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.block.block-hide {
    display: block;
}

.block .title {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.block .description {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
}

/* 底部图片 */
.bottom-Img {
    text-align: center;
    margin: 60px 0;
}

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

/* 固定元素 */
.fiexd-block {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 999;
}

.toTop {
    margin-bottom: 15px;
}

.toTop img {
    width: 50px;
    height: 50px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.toTop:hover img {
    opacity: 1;
}

.qrcode {
    position: relative;
    cursor: pointer;
}

.qrcode img {
    width: 50px;
    height: 50px;
}

.qrcode .detail {
    position: absolute;
    right: 60px;
    bottom: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    display: none;
    white-space: nowrap;
}

.qrcode:hover .detail {
    display: block;
}

.qrcode .detail .text {
    font-size: 14px;
    color: #333;
    margin-bottom: 10px;
}

.qrcode .detail .img img {
    width: 80px;
    height: 80px;
}

/* Up Arrow */
.up-arrow {
    position: fixed;
    bottom: 20px;
    right: 20px;
    cursor: pointer;
    z-index: 998;
    display: none;
}

.up-arrow img {
    width: 40px;
    height: 40px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.up-arrow:hover img {
    opacity: 1;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 40px 0;
    margin-top: 80px;
}

.footer .inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-content {
    text-align: right;
}

.footer-content div {
    margin-bottom: 5px;
    font-size: 14px;
}

.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* 移动端样式 */
@media (max-width: 768px) {
    /* 隐藏桌面导航 */
    .nav {
        display: none;
    }
    
    /* 显示移动端元素 */
    .phone-language, #openBtn, .phone-inner {
        display: block;
    }
    
    /* 移动端Index-inner样式调整 */
    .Index-inner {
        padding: 20px 15px 0;
        max-width: 100%;
    }
    
    /* 隐藏移动端不需要的桌面端下载选项 */
    .Index-inner .download {
        display: none;
    }
    
    .phone-language {
        display: flex;
        align-items: center;
        color: #fff;
        text-decoration: none;
        font-size: 13px;
    }
    
    .phone-language img {
        width: 12px;
        height: 12px;
    }
    
    /* 移动端菜单按钮 */
    #openBtn {
        width: 25px;
        height: 25px;
        cursor: pointer;
    }
    
    .lcbody {
        position: relative;
        width: 100%;
        height: 100%;
    }
    
    .lcitem {
        position: absolute;
        width: 100%;
        height: 2px;
        background: #fff;
        transition: all 0.3s ease;
    }
    
    .lcitem.top {
        top: 5px;
    }
    
    .lcitem.center {
        top: 11px;
    }
    
    .lcitem.bottom {
        top: 17px;
    }
    
    .lcitem.hide {
        display: none;
    }
    
    /* 移动端导航菜单 */
    .w-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        z-index: 999;
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }
    
    body.openMenu .w-nav {
        transform: translateY(0);
    }
    
    .w-nav-list {
        padding: 15px 0;
    }
    
    .w-nav-a {
        display: block;
        padding: 12px 25px;
        color: #333;
        text-decoration: none;
        font-size: 15px;
        transition: background-color 0.3s ease;
    }
    
    .w-nav-a:hover, .w-nav-a.active {
        background-color: #f8f9fa;
        color: #007bff;
    }
    
    .w-nav hr {
        border: none;
        border-top: 1px solid #e9ecef;
        margin: 0 25px;
    }
    
    /* 移动端Banner样式 */
    .banner {
        height: auto;
        min-width: auto;
        padding: 80px 15px 50px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    }
    
    .banner .bg {
        width: 100%;
        height: auto;
        max-width: 400px;
        margin: 0 auto;
        text-align: center;
        overflow: visible;
        background: none;
    }
    
    .headImg {
        width: 120px;
        margin: 0 auto 20px;
    }
    
    .banner .bg .title {
        margin: 20px 0 15px;
        font-size: 1.8rem;
        line-height: 1.3;
        font-weight: 700;
        color: #fff;
    }
    
    .banner .bg .description {
        line-height: 1.5;
        margin: 0 10px;
        font-size: 1rem;
        color: #fff;
        opacity: 0.95;
    }
    
    .nav-modal {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: -1;
        display: none;
    }
    
    body.openMenu .nav-modal {
        display: block;
    }
    
    /* 语言弹窗 */
    #popupContainer {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 2000;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .popupContent {
        background: #fff;
        border-radius: 8px;
        padding: 25px;
        margin: 20px;
        max-width: 280px;
        width: 100%;
        position: relative;
    }
    
    .popupContent .title {
        font-size: 1.1rem;
        font-weight: 600;
        text-align: center;
        margin-bottom: 15px;
        color: #333;
    }
    
    .popupContent .lang-item {
        padding: 10px 0;
        border-bottom: 1px solid #f0f0f0;
        text-align: center;
        font-size: 14px;
    }
    
    .popupContent .lang-item:last-child {
        border-bottom: none;
    }
    
    #closePopup {
        position: absolute;
        top: 8px;
        right: 12px;
        background: none;
        border: none;
        font-size: 18px;
        cursor: pointer;
        width: 25px;
        height: 25px;
        color: #999;
    }
    
    #closePopup::after {
        content: '×';
    }
    
    /* Banner 移动端调整已合并到主要移动端样式中 */
    
    .headImg img {
        max-width: 200px;
    }
    
    /* 隐藏桌面端内容 */
    .Index-inner {
        display: none;
    }
    
    /* 移动端下载区域 */
    .phone-inner {
        padding: 30px 15px;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .phone-inner .download {
        flex-direction: column;
        gap: 0;
        align-items: center;
        padding: 0 10px;
    }
    
    .download-btn {
        background: #007bff;
        border: 1px solid #007bff;
        border-radius: 25px;
        padding: 14px 30px;
        margin: 8px 15px;
        text-align: center;
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0,123,255,0.3);
        position: relative;
        overflow: hidden;
    }
    
    .download-btn.text {
        background: #007bff;
        border-color: #007bff;
        border-radius: 25px;
        transform: scale(0.95);
        margin: 8px 20px;
    }
    
    .download-btn a {
        color: #fff;
        text-decoration: none;
        font-size: 15px;
        font-weight: 600;
        display: block;
        position: relative;
        z-index: 2;
    }
    
    .download-btn:hover {
        background: #0056b3;
        border-color: #0056b3;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0,123,255,0.4);
    }
    
    .download-btn:active {
        transform: translateY(0px) scale(0.98);
    }
    
    /* Google Play按钮特殊样式 */
    #goole-down {
        background: #4CAF50;
        border-color: #4CAF50;
        color: #fff;
        cursor: pointer;
        border-radius: 25px;
        box-shadow: 0 4px 12px rgba(76,175,80,0.3);
    }
    
    #goole-down:hover {
        background: #45a049;
        border-color: #45a049;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(76,175,80,0.4);
    }
    
    /* 移动端底部下载 */
    .bottom-download {
        background: #f8f9fa;
        text-align: center;
        padding: 25px 20px;
        margin-top: 30px;
    }
    
    .bottom-download .icon img {
        width: 60px;
        height: 60px;
        margin-bottom: 10px;
    }
    
    .icon-text {
        font-size: 1.5rem;
        font-weight: 700;
        color: #333;
        margin-bottom: 15px;
    }
    
    .download-text {
        color: #666;
        margin-bottom: 15px;
        font-size: 14px;
    }
    
    .bottom-download .download-btn {
        background: #007bff;
        border-color: #007bff;
        display: inline-block;
    }
    
    .bottom-download .download-btn a {
        color: #fff;
        font-weight: 600;
    }
    
    /* Footer 移动端调整 */
    .footer .inner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    .footer-content {
        text-align: center;
    }
    
    /* 固定元素移动端调整 */
    .fiexd-block {
        display: none;
    }
    
    .up-arrow {
        display: block;
    }
}

@media (max-width: 480px) {
    .banner .bg .title {
        font-size: 1.6rem;
    }
    
    .banner .bg .description {
        font-size: 0.95rem;
    }
    
    .headImg img {
        max-width: 240px;
    }
    
    .phone-inner {
        padding: 25px 15px;
    }
    
    /* 移动端功能块样式 */
    .Index-inner .block {
        margin: 30px 0;
        padding: 20px 15px;
        text-align: center;
    }
    
    .Index-inner .block .title {
        font-size: 1.5rem;
        font-weight: 700;
        color: #333;
        margin-bottom: 15px;
    }
    
    .Index-inner .block .description {
        font-size: 1rem;
        line-height: 1.6;
        color: #666;
        margin-bottom: 20px;
    }
    
    .Index-inner .bottom-Img {
        text-align: center;
        margin: 40px 0;
    }
    
    .Index-inner .bottom-Img img {
        max-width: 100%;
        height: auto;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.banner .bg > * {
    animation: fadeInUp 0.6s ease forwards;
}

.banner .headImg {
    animation-delay: 0.1s;
}

.banner .title {
    animation-delay: 0.3s;
}

.banner .description {
    animation-delay: 0.5s;
}

/* Enterprise Page Styles */
.enterprise-page {
    margin-top: 60px;
}

.enterprise-banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.enterprise-bg {
    max-width: 800px;
    margin: 0 auto;
}

.enterprise-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.enterprise-subtitle {
    font-size: 1.3rem;
    opacity: 0.95;
    line-height: 1.6;
}

.enterprise-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 20px;
}

.title-section {
    text-align: center;
    margin-bottom: 80px;
}

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

.steps-section {
    margin-bottom: 100px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 60px;
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.step-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 30px;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    margin-bottom: 20px;
}

.step-desc {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.6;
}

.enterprise-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.feature-card {
    background: #fff;
    padding: 30px 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.feature-desc {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

.enterprise-contact {
    margin-top: 60px;
}

.enterprise-contact .contact-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.enterprise-contact .contact-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.enterprise-contact .contact-desc {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.contact-btn {
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.contact-btn.primary {
    background: #fff;
    color: #667eea;
}

.contact-btn.primary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

.contact-btn.secondary {
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
}

.contact-btn.secondary:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

/* Enterprise Page Mobile Styles */
@media (max-width: 768px) {
    .enterprise-banner {
        padding: 60px 15px;
    }
    
    .enterprise-title {
        font-size: 2.2rem;
    }
    
    .enterprise-subtitle {
        font-size: 1.1rem;
    }
    
    .enterprise-content {
        padding: 60px 15px;
    }
    
    .title-section {
        margin-bottom: 60px;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
        margin-bottom: 40px;
    }
    
    .step-number {
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .step-img {
        max-width: 100%;
    }
    
    .step-desc {
        font-size: 1rem;
    }
    
    .enterprise-features {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 60px;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .feature-icon {
        font-size: 2rem;
    }
    
    .feature-title {
        font-size: 1.2rem;
    }
    
    .enterprise-contact .contact-card {
        padding: 40px 20px;
    }
    
    .enterprise-contact .contact-title {
        font-size: 1.5rem;
    }
    
    .enterprise-contact .contact-desc {
        font-size: 1rem;
    }
    
    .contact-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .contact-btn {
        padding: 12px 25px;
    }
}

/* About 页面样式 */
.about-inner {
    max-width: 800px;
    margin: 100px auto 60px;
    padding: 0 20px;
    text-align: center;
}

.about-inner .title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
}

.about-inner .description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    text-align: left;
    max-width: 700px;
    margin: 0 auto;
}

/* Privacy 页面样式 */
.privacy-inner {
    max-width: 800px;
    margin: 100px auto 60px;
    padding: 0 20px;
}

.privacy-inner .title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 40px;
    text-align: center;
}

.privacy-inner .content {
    text-align: left;
}

.privacy-inner .content-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #333;
    margin: 30px 0 15px 0;
    border-left: 4px solid #007bff;
    padding-left: 15px;
}

.privacy-inner .content-description {
    font-size: 1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 20px;
    text-align: justify;
}

.privacy-inner .content-description a {
    color: #007bff;
    text-decoration: none;
}

.privacy-inner .content-description a:hover {
    text-decoration: underline;
}

/* About和Privacy页面移动端样式 */
@media (max-width: 768px) {
    .about-inner, .privacy-inner {
        margin: 80px auto 40px;
        padding: 0 15px;
    }
    
    .about-inner .title, .privacy-inner .title {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .about-inner .description {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .privacy-inner .content-title {
        font-size: 1.2rem;
        margin: 25px 0 12px 0;
    }
    
    .privacy-inner .content-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 18px;
    }
}