/* ========================================
   Peach Lover - Main Stylesheet
   高级感设计 + 金色点缀
   ======================================== */

:root {
    /* 主色调 - 渐变紫粉 */
    --color-primary: #FF6B9D;
    --color-primary-dark: #C44569;
    --color-primary-light: #FFA8C5;
    
    /* 辅助色 */
    --color-secondary: #667eea;
    --color-accent: #D4AF37;            /* 金色点缀 */
    --color-accent-light: #F4D03F;      /* 亮金色 */
    
    /* 基础色 - 亮色模式 */
    --color-text: #2D3436;
    --color-text-light: #636E72;
    --color-bg: #FFFFFF;
    --color-bg-alt: #FFF5F7;
    --color-border: #F0E4E8;
    
    /* 暗黑模式 */
    --color-text-dark: #eaeaea;
    --color-text-light-dark: #b0b0b0;
    --color-bg-dark: #1a1a2e;
    --color-bg-alt-dark: #16213e;
    --color-border-dark: #333355;
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(255, 107, 157, 0.1);
    --shadow-md: 0 4px 16px rgba(255, 107, 157, 0.15);
    --shadow-lg: 0 8px 32px rgba(255, 107, 157, 0.2);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* 过渡 */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98), 
        rgba(255, 245, 247, 0.95));
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 107, 157, 0.1);
}

.nav {
    position: relative;
}

.nav-container {
/* 🐱 2026-03-19 10:15 强制刷新喵~ */
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: flex-start; // 2026-03-19 修改：导航栏左对齐喵~
    align-items: center;
    height: 68px;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    transition: var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(255, 105, 137, 0.3));
}

.nav-toggle {
    display: block;
    width: 40px;
    height: 40px;
    position: relative;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    transition: var(--transition-base);
}

.nav-toggle:hover {
    transform: scale(1.1);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    left: 0;
    transition: var(--transition-base);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

.nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98), 
        rgba(255, 245, 247, 0.98));
    backdrop-filter: blur(16px);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    max-height: calc(100vh - 68px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav-menu li {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.nav-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: rgba(255, 107, 157, 0.05);
}

.search-icon {
    font-size: 1.25rem;
}

/* ========================================
   Hero Section - 三栏布局
   ======================================== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: calc(68px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, 
        rgba(255, 245, 247, 0.5) 0%, 
        rgba(255, 255, 255, 0.8) 100%);
    position: relative;
    overflow: hidden;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 157, 0.1) 0%, transparent 70%);
    animation: rotateBg 30s linear infinite;
}

@keyframes rotateBg {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, 
        var(--color-primary-dark) 0%, 
        var(--color-primary) 50%, 
        var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    margin: 1rem auto;
    border-radius: 2px;
}

.highlight {
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, 
        rgba(255, 107, 157, 0.3), 
        rgba(212, 175, 55, 0.3));
    z-index: -1;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.hero-intro {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

/* 三栏布局特色卡片 */
.hero-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    position: relative;
    z-index: 10;
}

.hero-feature-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.hero-feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-slow);
    text-align: center;
    cursor: pointer;
}

.hero-feature-link:hover .hero-feature-card {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
    border-color: rgba(212, 175, 55, 0.3);
}

.hero-feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 157, 0.2));
}

.hero-feature-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero-feature-card p {
    color: var(--color-text-light);
    font-size: 0.875rem;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-tertiary {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(244, 208, 63, 0.1));
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.btn-tertiary:hover {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-gold);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-avatar {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-emoji {
    font-size: 6rem;
    filter: drop-shadow(0 4px 8px rgba(255, 107, 157, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.avatar-ring {
    position: absolute;
    width: 160px;
    height: 160px;
    border: 3px solid rgba(255, 107, 157, 0.3);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.avatar-ring-2 {
    position: absolute;
    width: 220px;
    height: 220px;
    border: 2px solid rgba(212, 175, 55, 0.2);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite 0.5s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.features-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.feature-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--shadow-gold);
    border-color: rgba(212, 175, 55, 0.3);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 157, 0.2));
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

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

/* ========================================
   Blog Section
   ======================================== */
.blog {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

.products-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.product-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.product-card:hover::after {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 107, 157, 0.3);
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: var(--shadow-gold);
}

.product-image {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 157, 0.2));
}

.product-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.product-desc {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    margin-bottom: var(--spacing-md);
}

.price-current {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(255, 107, 157, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
}

/* ========================================
   Story Section
   ======================================== */
.story {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.story-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

.story-text {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.story-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.stat-number {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-xs);
    filter: drop-shadow(0 2px 4px rgba(212, 175, 55, 0.3));
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
}

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

.mt-3 {
    margin-top: var(--spacing-lg);
}

/* ========================================
   Apps Section
   ======================================== */
.apps {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-alt);
}

.apps-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.app-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    border: 1px solid var(--color-border);
    text-align: center;
}

.app-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.app-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 157, 0.2));
}

.app-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.app-desc {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.app-tags {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1), rgba(212, 175, 55, 0.1));
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 157, 0.2);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.contact-content {
    display: grid;
    gap: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.contact-item:hover {
    transform: translateX(8px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 157, 0.3));
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-base);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-brand .logo-icon {
    font-size: 3rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand p {
    opacity: 0.9;
    font-size: 0.9375rem;
}

.footer-links h4,
.footer-social h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.social-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
    margin: 0 var(--spacing-xs);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ========================================
   Tablet Breakpoint (768px)
   ======================================== */
@media (min-width: 768px) {
    .hero {
        grid-template-columns: 1fr 1fr;
        text-align: left;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-title::after {
        margin: 1rem 0;
    }
    
    .hero-intro {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid,
    .products-grid,
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        text-align: left;
    }
    
    .footer-brand {
        text-align: left;
    }
    
    .social-links {
        justify-content: flex-start;
    }
}

/* ========================================
   Desktop Breakpoint (1024px)
   ======================================== */
@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        position: static;
        display: flex;
        gap: var(--spacing-xs);
        transform: none;
        opacity: 1;
        visibility: visible;
        padding: 0;
        box-shadow: none;
        background: transparent;
    }
    
    .nav-menu li {
        margin-bottom: 0;
    }
    
    /* Hero 三栏布局 */
    .hero {
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-title::after {
        margin: 1rem 0;
    }
    
    .hero-intro {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .features-grid,
    .products-grid,
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section-title {
        font-size: 3rem;
    }
}

        box-shadow: none;
        background: transparent;
    }
    
    .nav-menu li {
        margin-bottom: 0;
    }
    
    /* Hero 三栏布局 */
    .hero {
        grid-template-columns: 1.2fr 1fr 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .hero-title::after {
        margin: 1rem 0;
    }
    
    .hero-intro {
        margin-left: 0;
        margin-right: 0;
    }
    
    .hero-cta {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .features-grid,
    .products-grid,
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .section-title {
        font-size: 3rem;
    }
}