.page-header {
    text-align: center;
    padding: 80px 5% 40px;
}

.page-header h1 {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-header p {
    font-size: 22px;
    color: #86868b;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

/* 装备网格 */
.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
    padding: 20px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.equipment-card {
    background: linear-gradient(135deg, #ffffff 0%, #f9f9ff 100%);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.09);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.equipment-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.equipment-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.equipment-info {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}


.equipment-category {
    font-size: 14px;
    color: #007aff;
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-block;
    background: rgba(0, 122, 255, 0.1);
    padding: 5px 12px;
    border-radius: 12px;
    margin-left: 10px;
}

.equipment-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1d1d1f;
}

.equipment-desc {
    color: #86868b;
    margin-bottom: 20px;
    font-size: 16px;
    flex-grow: 1;
    line-height: 1.5;
}

.equipment-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.spec-tag {
    background-color: #f5f5f7;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    color: #515154;
    font-weight: 500;
}

.equipment-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #007aff;
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 12px;
    transition: background-color 0.3s;
    margin-top: auto;
}

.equipment-link:hover {
    background: #0077ed;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .page-header h1 {
        font-size: 38px;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
    }
}

/* 微信二维码样式 */
.wechat-trigger {
    position: relative;
}

.wechat-qr {
    position: absolute;
    bottom: 100%;
    left: 0;
    width: 120px;
    height: 120px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all .3s ease;
    z-index: 1000;
}

.wechat-trigger:hover .wechat-qr {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 分类标签 */
.category-tabs {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
}

.category-tab {
    padding: 14px 28px;
    margin: 0 10px 15px;
    background: none;
    border: none;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    background: rgba(0, 122, 255, 0.1);
    color: #007aff;
}

.category-tab.active {
    background-color: #007aff;
    color: white;
}

.category-tab:not(.active):hover {
    background-color: rgba(0, 122, 255, 0.2);
}

/* 卡片图标 */
.card-icon {
    font-size: 24px;
    margin-bottom: 15px;
    color: #007aff;
    background: rgba(0, 122, 255, 0.1);
    width: 60px;
    height: 60px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 导航栏 - 苹果风格 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    letter-spacing: -0.5px;
    text-decoration: none;

}

.logo span {
    color: #0071e3;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin: 0 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: #0071e3;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0071e3;
    transition: width 0.3s;
}

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

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 5%;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1542273917363-3b1817f69a2d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
    opacity: 0.1;
    z-index: -1;
}

.hero h1 {
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #000, #0071e3);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}

.hero .title {
    font-size: 1.8rem;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
}

.slogan {
    font-size: 1.5rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.7);
    padding: 20px 40px;
    border-radius: 50px;
    margin: 40px 0;
    max-width: 800px;
    line-height: 1.8;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(5px);
}

/* 功能入口区域 */
.features {
    padding: 100px 8%;
    background: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
    color: #000;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: #f9f9f9;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 113, 227, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #0071e3;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #000;
}

.feature-desc {
    color: #666;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #0071e3;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background: #0056b3;
    transform: scale(1.05);
}

/* 关于我区域 */
.about {
    padding: 100px 8%;
    background: #f5f7fa;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.about-content {
    flex: 1;
    min-width: 300px;
    padding-right: 40px;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #000;
}

.about p {
    margin-bottom: 20px;
    color: #555;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image {
    flex: 1;
    min-width: 300px;
    height: 500px;
    background: linear-gradient(45deg, #0071e3, #00c6ff);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 113, 227, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    padding: 20px;
}

/* 页脚 */
.footer {
    background: #000;
    color: #fff;
    padding: 60px 8% 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #0071e3;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: #222;
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s;
}

.social-icons a:hover {
    background: #0071e3;
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #777;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar {
        padding: 15px 5%;
    }

    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 3.5rem;
    }

    .hero .title {
        font-size: 1.5rem;
    }

    .slogan {
        font-size: 1.2rem;
        padding: 15px 25px;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

/* 动画效果 */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

.floating {
    animation: float 3s ease-in-out infinite;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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