:root {
    --primary-color: #ff6b00;
    /* 橙色主色调 */
    --secondary-color: #ff9e40;
    /* 浅橙色 */
    --text-color: #333;
    --text-light: #666;
    --bg-light: #FFEEE5;
    /* 浅橙色背景 */
    --white: #fff;
    --max-width: 1422px;
    --header-height: 80px;
}

/* 基础重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    padding-top: var(--header-height);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    outline: none;
}

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

ul {
    list-style: none;
}

/* 工具类 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.flex-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

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

.bg-light {
    background-color: var(--bg-light);
}

.btn {
    display: inline-block;
    padding: 8px 30px;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-outline {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    margin-top: 40px;
    margin-right: 10px;
    margin-bottom: 10px;
    margin-left: 10px;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* 导航栏 */
header {
    background: linear-gradient(to right, #ff8c00, #ff6b00);
    /* 橙色渐变背景 */
    color: var(--white);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.logo-text {
    font-size: 20px;
    font-weight: bold;
    color: var(--white);
    letter-spacing: 2px;
}

.logo-img {
    height: 40px;
    /* Placeholder style if image missing */
    background-color: rgba(255, 255, 255, 0.2);
    width: 120px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    position: relative;
}

nav a:hover,
nav a.active {
    color: var(--white);
    font-weight: bold;
}

/* Hero 区域 - 纯图片展示 */
.hero-banner {
    width: 100%;
    overflow: hidden;
    /* 移除内边距，让图片撑满 */
    padding: 0;
    line-height: 0;
    /* 消除图片底部的微小间隙 */
}

.banner-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    /* 保持图片比例 */
    display: block;
    margin-right: 20px;
}

/* 特性部分通用样式 */
.feature-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.feature-section.bg-light {
    background-color: var(--bg-light);
}

.feature-image,
.feature-text {
    flex: 1;
}

.feature-image img {
    /* 移除通用阴影和圆角，以免透明切图显示出矩形边框背景 */
    /* border-radius: 10px; */
    /* box-shadow: 0 10px 30px rgba(0,0,0,0.05); */
}

.feature-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #333;
}

.feature-text p {
    margin-bottom: 30px;
    color: var(--text-light);
    line-height: 1.8;
}

/* 2x2 Grid for Brand Section */
.grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* 行业分类 */
.industry-section {
    padding: 80px 0;
}

.industry-section h2 {
    margin-bottom: 40px;
    font-size: 2rem;
}

.industry-section .download-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 20px;
}

.industry-section .download-buttons .btn {
    margin: 0;
    padding: 8px 20px;
    border-radius: 20px;
}

.industry-gallery {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    margin-bottom: 40px;
    /* width: 100vw; */
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}


.watermark img {
    width: 100px;
    height: auto;
    display: block;
}

.vip-grid .vip-card:nth-child(3) .watermark img,
.vip-grid .vip-card:nth-child(4) .watermark img {
    width: 53px;
}

.industry-item {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #ddd;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

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

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.tag {
    padding: 8px 20px;
    background-color: var(--white);
    border: 1px solid #eee;
    border-radius: 20px;
    color: var(--text-light);
    font-size: 14px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 会员中心 */
.vip-section {
    padding: 80px 0;
    background-color: var(--white);
}

.vip-section h2 {
    margin-bottom: 50px;
    font-size: 2rem;
}

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

.vip-card {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    border: 1px solid #f0f0f0;
    transition: transform 0.3s;
    text-align: left;
}

.vip-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.card-icon img {
    width: 30px;
    height: 30px;
}

.vip-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
}

.vip-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    position: relative;
    z-index: 2;
}

.watermark {
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 3rem;
    font-weight: bold;
    color: rgba(255, 107, 0, 0.05);
    pointer-events: none;
    z-index: 2;
}

/* 团队介绍 */
.team-section {
    padding: 80px 0;
}

.team-section h2 {
    margin-bottom: 50px;
    font-size: 2rem;
}

/* 团队卡片样式（每人使用统一背景图） */
.team-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 24px;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

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

.team-card {
    position: relative;
    /* height: 220px; */
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.team-card-img {
    width: 100%;
    height: 150%;
    object-fit: cover;
    border-radius: inherit;
    display: block;
}

.team-card .chip {
    position: absolute;
    right: 30px;
    bottom: 65px;
    transform: none;
    padding: 2px 20px;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 999px;
    font-weight: 600;
    font-size: 16px;
}

.team-card .role {
    position: absolute;
    right: 32px;
    bottom: 30px;
    font-size: 15px;
    color: var(--primary-color);
}

.team-item .role {
    margin-top: 12px;
    font-size: 17px;
    color: var(--primary-color);
}

.team-card.highlight {
    transform: translateY(-25px);
    /* outline: 2px dashed var(--primary-color); */
}

/* 团队背景图与右下角名单 */
.team-hero {
    position: relative;
    height: 420px;
    border-radius: 16px;
    background: url('images/group.png') center/cover no-repeat;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.team-list {
    position: absolute;
    right: 24px;
    bottom: 24px;
    display: grid;
    gap: 8px;
    text-align: right;
}

.team-list .name {
    font-weight: 600;
    margin-right: 8px;
}

.team-list .role {
    color: var(--text-light);
}

.team-list .highlight {
    transform: translateY(-10px);
    color: var(--primary-color);
}

/* 下载区域 */
.download-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.download-buttons {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    /* 保持顶部对齐或调整为 center */
}

.download-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.qr-code-box {
    width: 150px;
    height: 100px;
}

.qr-code-box img {
    background: #fff;
    padding: 5px;
    border: 1px solid #eee;
    border-radius: 8px;
}

/* 页脚 */
footer {
    background-color: #2c2c2c;
    color: #fff;
    padding: 50px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-info h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-info p {
    color: #aaa;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

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

.footer-qr img {
    width: 100px;
    height: 100px;
    background-color: #fff;
    padding: 5px;
    border-radius: 5px;
    margin-bottom: 10px;
}

.footer-qr p {
    font-size: 0.8rem;
    color: #aaa;
}

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

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .industry-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .reverse-mobile {
        flex-direction: column-reverse;
    }

    nav ul {
        display: none;
        /* 移动端暂时隐藏菜单，实际项目需添加汉堡菜单 */
    }

    .logo-img {
        margin: 0 auto;
    }

    nav {
        justify-content: center;
    }

    .download-buttons {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
}