:root {
    --primary: #E6F7FF;
    --secondary: #F5F5F5;
    --accent: #4DA6FF;
    --text: #333333;
    --light-text: #666666;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text);
    background-color: var(--secondary);
    line-height: 1.6;
}

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

header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent);
    transition: width 0.3s;
}

.nav-links a:hover:after {
    width: 100%;
}

.auth-links {
    display: flex;
    gap: 15px;
    align-items: center;
}




.login-btn {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.login-btn:hover {
    color: var(--accent);
}

.register-btn {
    background-color: var(--accent);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.register-btn:hover {
    background-color: #3a8de6;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(58, 141, 230, 0.3);
}
.cta-button {
    background-color: var(--accent);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(77, 166, 255, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(77, 166, 255, 0.4);
}

.hero {
    padding: 180px 0 100px;
    text-align: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

.hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #333, #4DA6FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 18px;
    color: var(--light-text);
    max-width: 700px;
    margin: 0 auto 40px;
}

.features {
    padding: 80px 0;
    background-color: white;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 32px;
    font-weight: 600;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--secondary);
    border-radius: 10px;
    padding: 30px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--light-text);
}

.products {
    padding: 80px 0;
    background-color: var(--secondary);
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.product-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.02);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.product-card .price {
    font-size: 28px;
    font-weight: 600;
    margin: 20px 0;
    color: var(--accent);
}

.product-card .specs {
    margin-bottom: 25px;
}

.product-card .spec-item {
    display: flex;
    margin-bottom: 8px;
    color: var(--light-text);
    font-size: 14px;
}

.product-card .spec-item span:first-child {
    width: 120px;
    color: var(--text);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background-color: var(--accent);
    color: white;
    padding: 5px 30px;
    transform: rotate(45deg);
    font-size: 12px;
    font-weight: 500;
}

footer {
    background-color: var(--text);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3:after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--accent);
    bottom: 0;
    left: 0;
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

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

.footer-column ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 14px;
}





.solution-section {
    display: flex;
    gap: 40px;
    max-width: 1130px;
    margin: 0 auto;
    padding: 40px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

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

h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--accent);
}


.highlight {
    font-size: 18px;
    color: var(--light-text);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border);
}

.pain-point {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.icon-gif {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex-shrink: 0;
}

.pain-point h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
}

.pain-point p {
    margin: 0;
    color: var(--light-text);
}

.feature-gif {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* 简单动画示例 */
.icon-gif {
    transition: transform 0.3s;
}
.pain-point:hover .icon-gif {
    transform: scale(1.1);
}


/* 聊天侧边栏样式 */
 .chat-sidebar {
     position: fixed;
     right: 0;
     top: 50%;
     transform: translateY(-50%);
     z-index: 9999;
     font-family: Arial, sans-serif;
 }

.chat-icons {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    padding-right: 10px;
}



.chat-icon-container {
    position: relative;
    display: flex;
    align-items: center;
    /* 关键修复：允许鼠标事件穿透到子元素 */
    pointer-events: none;
}
.chat-icon {
    position: relative;
    width: 50px;
    height: 50px;
    background: #0088cc;
    border-radius: 50% 0 0 50%;
    box-shadow: -2px 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1;
}

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

.chat-icon img {
    width: 30px;
    height: 30px;
}
.chat-icon, .chat-tool {
    pointer-events: auto; /* 子元素恢复鼠标事件 */
}
/*.chat-tool {*/
    /*position: absolute;*/
    /*right: 60px;*/
    /*top: 0;*/
    /*width: 250px;*/
    /*background: #fff;*/
    /*border-radius: 10px 0 0 10px;*/
    /*box-shadow: -2px 2px 15px rgba(0,0,0,0.1);*/
    /*opacity: 0;*/
    /*visibility: hidden;*/
    /*transition: all 0.3s ease;*/
    /*transform: translateX(20px);*/
    /*z-index: 2;*/
/*}*/
.chat-tool {
    position: absolute;
    right: 60px; /* 显示在图标左侧 */
    top: 0;
    width: 250px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    /* 确保在最顶层 */
    z-index: 100;
    /* 防止被父容器裁剪 */
    overflow: visible;
}

/*.chat-icon-container:hover .chat-tool {*/
    /*opacity: 1;*/
    /*visibility: visible;*/
    /*transform: translateX(0);*/
/*}*/

.chat-tool-content {
    padding: 15px;
}

.chat-tool h3 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 16px;
}

.chat-tool p {
    margin: 0 0 15px 0;
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

.chat-tool a {
    display: block;
    padding: 8px 12px;
    background: #0088cc;
    color: white;
    text-align: center;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.chat-tool a:hover {
    background: #006699;
}

/* 不同客服图标颜色 */
.telegram { background: #0088cc; }
.whatsapp { background: #25D366; }
.wechat { background: #07C160; }
.qq { background: #12B7F5; }
.skype { background: #00AFF0; }