/* ==================== 基础变量 ==================== */
:root {
    /* 主色调 - 温暖橙红色系 */
    --primary: #E85A3F;
    --primary-dark: #C94A32;
    --primary-light: #FF7A5C;
    --primary-bg: rgba(232, 90, 63, 0.08);
    
    /* 辅助色 - 温暖米色系 */
    --secondary: #F5E6D3;
    --secondary-dark: #E8D4BE;
    --secondary-light: #FFF8F0;
    
    /* 中性色 */
    --dark: #1F1D1A;
    --dark-secondary: #3D3A35;
    --gray: #7A746B;
    --gray-light: #B5AFA6;
    --border: #E8E4DC;
    --border-light: #F2EEE8;
    
    /* 背景色 */
    --bg-primary: #FFFCF8;
    --bg-secondary: #F9F5F0;
    --bg-card: #FFFFFF;
    
    /* 文字色 */
    --text-primary: #1F1D1A;
    --text-secondary: #5A554E;
    --text-muted: #8A847A;
    
    /* 阴影 */
    --shadow-xs: 0 1px 2px rgba(31, 29, 26, 0.04);
    --shadow-sm: 0 2px 8px rgba(31, 29, 26, 0.06);
    --shadow-md: 0 4px 16px rgba(31, 29, 26, 0.08);
    --shadow-lg: 0 8px 32px rgba(31, 29, 26, 0.10);
    --shadow-xl: 0 16px 48px rgba(31, 29, 26, 0.12);
    
    /* 圆角 */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    
    /* 过渡 */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* ==================== 基础重置 ==================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 图标样式 */
[class^="ri-"], [class*=" ri-"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ==================== 容器 ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ==================== 头部导航 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 252, 248, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 252, 248, 0.98);
    box-shadow: var(--shadow-sm);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon {
    width: 42px;
    height: 42px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 2px;
}

.logo-slogan {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* 导航 */
.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 0;
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.mobile-nav {
    display: flex;
    flex-direction: column;
    padding: 8px 24px 24px;
}

.mobile-nav-link {
    padding: 16px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

.mobile-nav-link:hover {
    color: var(--primary);
}

/* ==================== 英雄区 ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border);
}

.deco-circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    opacity: 0.5;
}

.deco-circle-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    opacity: 0.3;
}

.deco-line {
    position: absolute;
    background: var(--border);
}

.deco-line-1 {
    width: 1px;
    height: 200px;
    top: 20%;
    left: 10%;
    opacity: 0.5;
}

.deco-line-2 {
    width: 100px;
    height: 1px;
    bottom: 30%;
    right: 15%;
    opacity: 0.5;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* 内容区 */
.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--secondary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 28px;
}

.hero-badge i {
    font-size: 16px;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.hero-title-main {
    font-size: 52px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Noto Serif SC', serif;
    line-height: 1.1;
    letter-spacing: 4px;
}

.hero-title-sub {
    font-size: 22px;
    font-weight: 400;
    color: var(--text-muted);
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

/* 按钮组 */
.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 56px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
}

.btn i {
    font-size: 20px;
}

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

.btn-primary:hover {
    background: var(--dark-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--dark);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.3;
}

.btn-text-main {
    font-size: 15px;
    font-weight: 600;
}

.btn-text-sub {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.7;
}

/* 数据统计 */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 1px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 44px;
    background: var(--border);
}

/* 手机模拟 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInUp 0.8s ease-out 0.15s both;
}

.phone-mockup {
    position: relative;
}

.phone-frame {
    border-radius: 32px;
    overflow: hidden;
    box-shadow: var(--shadow-xl), 0 32px 80px rgba(31, 29, 26, 0.15);
}

.phone-screenshot {
    display: block;
    width: 260px;
    height: auto;
}

.phone-notch,
.phone-screen,
.app-status-bar,
.status-icons,
.app-header-bar,
.app-header-bar i,
.app-content,
.app-banner,
.app-nav,
.app-nav span.active,
.app-posts,
.app-post,
.post-avatar,
.post-content,
.post-line,
.app-tab-bar {
    display: none;
}

.phone-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(232, 90, 63, 0.06) 0%, transparent 60%);
    z-index: -1;
}

/* ==================== 功能特色 ==================== */
.features {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--secondary);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
}

.feature-icon i {
    font-size: 28px;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ==================== 应用展示 ==================== */
.showcase {
    padding: 120px 0;
    background: var(--bg-primary);
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-item.reverse {
    direction: rtl;
}

.showcase-item.reverse > * {
    direction: ltr;
}

.showcase-content {
    animation: fadeInLeft 0.8s ease-out;
}

.showcase-item.reverse .showcase-content {
    animation: fadeInRight 0.8s ease-out;
}

.showcase-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--secondary);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
}

.showcase-tag i {
    font-size: 16px;
}

.showcase-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.showcase-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

.showcase-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.showcase-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.showcase-list li::before {
    content: '';
    width: 20px;
    height: 20px;
    background: var(--primary-bg);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E85A3F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.showcase-visual {
    display: flex;
    justify-content: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

.showcase-item.reverse .showcase-visual {
    animation: fadeInLeft 0.8s ease-out 0.2s both;
}

.phone-mini {
    position: relative;
    max-width: 260px;
}

.phone-img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

/* ==================== 下载区域 ==================== */
.download {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.download .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.download-title {
    font-size: 38px;
    font-weight: 700;
    color: var(--dark);
    font-family: 'Noto Serif SC', serif;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.download-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.download-btn:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.download-btn.android {
    background: var(--dark);
    color: white;
    border-color: var(--dark);
}

.download-btn.android:hover {
    background: var(--dark-secondary);
    border-color: var(--dark-secondary);
}

.download-btn.web {
    background: var(--bg-card);
    color: var(--dark);
}

.download-btn-icon {
    width: 52px;
    height: 52px;
    background: var(--secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-btn.android .download-btn-icon {
    background: rgba(255, 255, 255, 0.1);
}

.download-btn-icon i {
    font-size: 26px;
    color: var(--primary);
}

.download-btn.android .download-btn-icon i {
    color: white;
}

.download-btn-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.download-btn-title {
    font-size: 16px;
    font-weight: 600;
}

.download-btn-size {
    font-size: 13px;
    opacity: 0.7;
    margin-top: 2px;
}

.download-btn-arrow {
    font-size: 24px;
    color: var(--text-muted);
    transition: var(--transition);
}

.download-btn:hover .download-btn-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

.download-note {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.download-note i {
    font-size: 18px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 1px;
}

/* 二维码区域 */
.download-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.qr-box {
    width: 200px;
    height: 200px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    overflow: hidden;
}

.qr-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-inner {
    display: none;
}

.qr-placeholder {
    display: none;
}

.qr-info {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

.qr-info p:first-child {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

/* ==================== 关于我们 ==================== */
.about {
    padding: 120px 0;
    background: var(--bg-primary);
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 2;
    margin: 24px 0 56px;
}

.about-values {
    display: flex;
    justify-content: center;
    gap: 64px;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.value-icon {
    width: 72px;
    height: 72px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.value-item:hover .value-icon {
    background: var(--primary);
    transform: scale(1.1);
}

.value-icon i {
    font-size: 28px;
    color: var(--primary);
    transition: var(--transition);
}

.value-item:hover .value-icon i {
    color: white;
}

.value-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--dark);
    letter-spacing: 1px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--dark);
    color: white;
    padding: 72px 0 32px;
}

.footer-main {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 80px;
    margin-bottom: 56px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
}

.footer-logo-icon svg {
    width: 100%;
    height: 100%;
}

.footer-logo span {
    font-size: 18px;
    font-weight: 600;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 2px;
}

.footer-slogan {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
}

.social-link i {
    font-size: 18px;
    color: white;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-link-group h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-link-group a {
    display: block;
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-link-group a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--dark-secondary);
}

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

.footer-copyright p {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 4px;
}

/* ==================== 动画 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 滚动动画 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-desc {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .showcase-item {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .showcase-item.reverse {
        direction: ltr;
    }
    
    .download .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .download-qr {
        order: -1;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-title-main {
        font-size: 36px;
    }
    
    .hero-title-sub {
        font-size: 18px;
    }
    
    .hero-desc {
        font-size: 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features {
        padding: 80px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .feature-card {
        padding: 28px 24px;
    }
    
    .showcase {
        padding: 80px 0;
    }
    
    .showcase-title {
        font-size: 26px;
    }
    
    .showcase-item {
        margin-bottom: 64px;
    }
    
    .phone-mini {
        max-width: 220px;
    }
    
    .phone-screenshot {
        width: 220px;
    }
    
    .download {
        padding: 80px 0;
    }
    
    .download-title {
        font-size: 28px;
    }
    
    .download-buttons {
        align-items: stretch;
    }
    
    .download-btn {
        justify-content: space-between;
    }
    
    .about {
        padding: 80px 0;
    }
    
    .about-values {
        gap: 40px;
    }
    
    .footer {
        padding: 56px 0 28px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-link-group:last-child {
        grid-column: span 2;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title-main {
        font-size: 28px;
        letter-spacing: 2px;
    }
    
    .stat-number {
        font-size: 26px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .phone-mini {
        max-width: 200px;
    }
    
    .phone-screenshot {
        width: 200px;
    }
    
    .qr-box {
        width: 160px;
        height: 160px;
    }
    
    .about-values {
        gap: 32px;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
    }
    
    .value-icon i {
        font-size: 24px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-link-group:last-child {
        grid-column: span 1;
    }
}