/* ============================================
   游宠官网 - 渐变浅色主题样式
   ============================================ */

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 主色调 - 紫橙渐变 */
    --primary-purple: #8A2BE2;
    --primary-orange: #FF8C00;
    --gradient-purple-orange: linear-gradient(180deg, #8A2BE2 0%, #FF8C00 100%);
    
    /* 界面色调 - 浅粉到蓝渐变 */
    --light-pink: #FFE5F1;
    --light-blue: #E5F3FF;
    --gradient-pink-blue: linear-gradient(135deg, #FFE5F1 0%, #E5F3FF 100%);
    
    /* 浅色渐变背景 */
    --bg-gradient-1: linear-gradient(135deg, #FFF5F8 0%, #F0F8FF 50%, #F5F0FF 100%);
    --bg-gradient-2: linear-gradient(135deg, #FFE5F1 0%, #E5F3FF 100%);
    --bg-gradient-3: linear-gradient(180deg, #FFF0F5 0%, #E6F3FF 100%);
    
    /* 文字颜色 */
    --text-dark: #2C3E50;
    --text-medium: #5A6C7D;
    --text-light: #8B9DC3;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(138, 43, 226, 0.1);
    --shadow-md: 0 4px 16px rgba(138, 43, 226, 0.15);
    --shadow-lg: 0 8px 32px rgba(138, 43, 226, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-gradient-1);
    overflow-x: hidden;
}

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

/* ============================================
   导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(255, 245, 248, 0.98) 0%, rgba(240, 248, 255, 0.98) 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(138, 43, 226, 0.1);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}
.logo-icon{
    display: flex;
    align-items: center; 
}
.logo-icon img {
    width: 40px;
    height: 40px;
    border-radius: 5px;
}



.logo-text {
    background: var(--gradient-purple-orange);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-purple);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-purple-orange);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.download-btn-nav {
    padding: 10px 20px;
    background: var(--gradient-purple-orange);
    color: white !important;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
}

.download-btn-nav::after {
    display: none;
}

.download-btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ============================================
   Hero区域
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 80px;
    background: var(--bg-gradient-2);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(138, 43, 226, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(255, 140, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #000000;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 28px;
    color: var(--text-medium);
    margin-bottom: 15px;
    font-weight: 600;
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-purple-orange);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--primary-purple);
    border: 2px solid var(--primary-purple);
}

.btn-secondary:hover {
    background: var(--primary-purple);
    color: white;
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-mockup {
    position: relative;
}

.phone-frame {
    width: 360px;
    height: 720px;
    background: white;
    border-radius: 50px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    background: #000;
    position: relative;
    overflow: hidden;
}

/* 轮播图容器 */
.carousel-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slides {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
}

/* 轮播图指示点 */
.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.carousel-dots .dot.active {
    background: rgba(255, 255, 255, 1);
    width: 24px;
    border-radius: 5px;
    border-color: rgba(255, 255, 255, 1);
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.5);
}

.carousel-dots .dot:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
    box-shadow: 0 2px 6px rgba(255, 255, 255, 0.4);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: var(--bg-gradient-1);
    clip-path: polygon(0 50%, 100% 0%, 100% 100%, 0% 100%);
}

/* ============================================
   通用Section样式
   ============================================ */
section {
    padding: 100px 20px;
    position: relative;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    background: var(--gradient-purple-orange);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   定位硬件区域
   ============================================ */
.hardware-section {
    background: var(--bg-gradient-1);
}

.hardware-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.hardware-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    /* 兼容旧HTML类名：将原有样式映射到index.html中使用的类名 */
    .nav-container{display:flex;align-items:center;justify-content:space-between}
    .nav-logo{display:flex;align-items:center;gap:12px;color:var(--text)}
    .logo-icon{width:48px;height:48px;border-radius:12px;background-image:linear-gradient(180deg,var(--accent-from),var(--accent-to));box-shadow:0 6px 20px rgba(123,47,247,0.15)}
    .logo-text{font-weight:700;font-size:20px}
    .hero-section{padding:70px 0}
    .hero-content{display:flex;gap:32px;align-items:center}
    .hero-text{flex:1}
    .hero-image{flex:1;display:flex;justify-content:center}
    .app-mockup .phone-frame{width:240px;height:480px;border-radius:28px;box-shadow:0 18px 50px rgba(34,34,34,0.08);overflow:hidden;border:6px solid rgba(255,255,255,0.6);background:linear-gradient(180deg,rgba(255,255,255,0.6),rgba(255,255,255,0.35))}
    .app-mockup .phone-screen{width:100%;height:100%;background:linear-gradient(180deg,#ffeef6,#e9f4ff)}
    .hardware-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .hardware-card{background:var(--card-bg);padding:18px;border-radius:12px;box-shadow:0 6px 18px rgba(34,34,34,0.04)}
    .screenshot-item{width:260px}
    .screenshot-frame .screenshot-placeholder{width:260px;height:520px;border-radius:14px;box-shadow:0 14px 40px rgba(34,34,34,0.06);background:linear-gradient(180deg,#fff,#fff);display:block}
    .screenshots-grid{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
    .ip-characters{display:flex;gap:24px;justify-content:center;flex-wrap:wrap}
    .ip-character{width:220px;background:var(--card-bg);padding:14px;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:8px}
    .character-avatar{width:140px;height:140px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:linear-gradient(180deg,#fff,#fff)}
    .download-content{display:flex;flex-direction:column;align-items:center;gap:18px}
    .download-buttons{display:flex;gap:12px}
    .download-btn{display:flex;align-items:center;gap:8px;padding:12px 18px;border-radius:12px;text-decoration:none;background:#fff;color:var(--text);box-shadow:0 8px 24px rgba(0,0,0,0.06)}
    .qr-code-placeholder{width:120px;height:120px;border-radius:10px;background:linear-gradient(180deg,rgba(200,200,200,0.12),rgba(200,200,200,0.06));display:flex;align-items:center;justify-content:center;color:var(--muted)}
    .footer .footer-content{display:flex;gap:24px;flex-wrap:wrap}
    .footer-bottom{margin-top:18px;text-align:center;color:var(--muted)}
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.hardware-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.hardware-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.hardware-card h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.hardware-card p {
    color: var(--text-medium);
    line-height: 1.8;
}

.hardware-showcase {
    text-align: center;
    margin-top: 60px;
}

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

.hardware-image-item {
    background: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

.hardware-image-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.hardware-image-item img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    display: block;
    object-fit: contain;
}

.hardware-image-placeholder {
    background: var(--gradient-pink-blue);
    border-radius: 20px;
    padding: 80px 40px;
    color: var(--text-medium);
    font-size: 18px;
    box-shadow: var(--shadow-md);
}

/* ============================================
   APP截图区域
   ============================================ */
.screenshots-section {
    background: var(--bg-gradient-3);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.screenshot-frame {
    background: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.screenshot-frame:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.screenshot-placeholder {
    width: 100%;
    aspect-ratio: 9/16;
    border-radius: 15px;
    background: var(--gradient-pink-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 14px;
}

.screenshot-1 {
    background: linear-gradient(135deg, #FFE5F1 0%, #E5F3FF 100%);
}

.screenshot-2 {
    background: linear-gradient(135deg, #E5F3FF 0%, #FFE5F1 100%);
}

.screenshot-3 {
    background: linear-gradient(135deg, #F5F0FF 0%, #FFE5F1 100%);
}

.screenshot-4 {
    background: linear-gradient(135deg, #FFE5F1 0%, #F0F8FF 100%);
}

.screenshot-label {
    color: var(--text-medium);
    font-weight: 500;
}

/* ============================================
   IP形象区域
   ============================================ */
.ip-section {
    background: var(--bg-gradient-2);
}

.ip-characters {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.ip-character {
    text-align: center;
    max-width: 300px;
}

.character-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.character-avatar:hover {
    transform: scale(1.1) rotate(5deg);
}

.dog-avatar {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
}

.cat-avatar {
    background: linear-gradient(135deg, #8A2BE2 0%, #9370DB 100%);
}

.character-emoji {
    font-size: 100px;
}

.character-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.ip-character h3 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.ip-character p {
    color: var(--text-medium);
    line-height: 1.8;
}

.ip-placeholder {
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    color: var(--text-medium);
    font-size: 18px;
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   关于我们区域
   ============================================ */
.about-section {
    background: var(--bg-gradient-1);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    background: white;
    padding: 50px;
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
}

.about-text p {
    font-size: 18px;
    line-height: 2;
    color: var(--text-medium);
    margin-bottom: 20px;
    text-align: center;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.feature-item p {
    color: var(--text-medium);
}

/* ============================================
   下载区域
   ============================================ */
.download-section {
    background: var(--bg-gradient-3);
    text-align: center;
}

.download-content {
    max-width: 800px;
    margin: 0 auto;
}

.app-icon-large {
    width: 150px;
    height: 150px;
    margin: 0 auto 40px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
}

.app-icon-gradient {
    width: 100%;
    height: 100%;
    background: var(--gradient-purple-orange);
    border-radius: 30px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 40px;
    background: white;
    border-radius: 15px;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    min-width: 200px;
}

.download-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.download-icon {
    font-size: 40px;
}

.download-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.download-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.download-subtitle {
    font-size: 14px;
    color: var(--text-medium);
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.qr-code-placeholder {
    width: 150px;
    height: 150px;
    background: white;
    border-radius: 15px;
    margin: 0 auto 15px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 12px;
}

.qr-item p {
    color: var(--text-medium);
    font-weight: 500;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
}

.footer-contact-center {
    text-align: center;
    max-width: 600px;
}

.footer-section h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: white;
    font-weight: 600;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.contact-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-links,
.legal-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-link,
.legal-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-link:hover,
.legal-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom p {
    margin-bottom: 5px;
}
.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}
/* ============================================
   返回顶部按钮
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-purple-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.back-to-top.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        padding: 40px 20px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-buttons {
        justify-content: center;
        align-items: center;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .btn {
        flex: 0 1 auto;
        min-width: 140px;
        max-width: 200px;
        text-align: center;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

    .section-title {
        font-size: 32px;
    }

    .phone-frame {
        width: 280px;
        height: 560px;
        border-radius: 40px;
        padding: 15px;
    }

    .ip-characters {
        gap: 40px;
    }

    .character-avatar {
        width: 150px;
        height: 150px;
    }

    .character-emoji {
        font-size: 80px;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .qr-codes {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 15px;
        flex-wrap: wrap;
    }

    .btn {
        flex: 1;
        min-width: 120px;
        max-width: 160px;
    }

    .section-title {
        font-size: 28px;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
        border-radius: 35px;
        padding: 12px;
    }

    .hardware-grid,
    .screenshots-grid {
        grid-template-columns: 1fr;
    }

    .hardware-images {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hardware-image-item {
        padding: 15px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 选中文本样式 */
::selection {
    background: rgba(138, 43, 226, 0.3);
    color: var(--text-dark);
}