/* 
 * POTATO Chat 官网样式表
 * 符合Google SEO和GEO标准
 * 版本: 1.0
 */

/* ===== 基础重置 ===== */
:root {
    --primary: #0084FF;
    --primary-dark: #0060CC;
    --secondary: #00B4FF;
    --accent: #4CAF50;
    --text-dark: #1a1a2e;
    --text-medium: #444;
    --text-light: #777;
    --bg-light: #f5f8ff;
    --bg-white: #fff;
    --border: #e5e9f0;
    --shadow: 0 4px 24px rgba(0,132,255,0.08);
    --radius: 12px;
    --font: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.7;
    font-size: 16px;
}

a { color: var(--primary); text-decoration: none; transition: color .25s; }
a:hover { color: var(--primary-dark); }

ul, ol { list-style: none; }

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

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all .25s;
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,132,255,0.25);
}

.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,132,255,0.35);
}

.btn-dark {
    background: #1a1a2e;
    color: #fff;
}

.btn-dark:hover {
    background: #333;
    color: #fff;
}

.btn-green {
    background: #4CAF50;
    color: #fff;
}

.btn-green:hover {
    background: #388E3C;
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

/* ===== 顶部导航 ===== */
#header {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow .3s;
}

.header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.site-logo img { height: 44px; }

.main-nav {
    display: flex;
    gap: 28px;
}

.main-nav a {
    color: var(--text-medium);
    font-weight: 500;
    font-size: 15px;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: all .2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.header-cta { display: flex; align-items: center; gap: 12px; }

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all .3s;
}

/* ===== 轮播图 ===== */
.slider-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #e8f4ff 0%, #f0f8ff 100%);
}

.slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide {
    min-width: 100%;
    position: relative;
}

.slide-inner {
    display: flex;
    align-items: center;
    min-height: 600px;
    padding: 60px 0;
}

.slide-content {
    flex: 1;
    padding-right: 40px;
    z-index: 2;
}

.slide-content .tag {
    display: inline-block;
    background: rgba(0,132,255,0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.slide-content h1,
.slide-content h2 {
    font-size: 46px;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 800;
}

.slide-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 36px;
    max-width: 520px;
}

.slide-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.slide-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.slide-image img {
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(0,132,255,0.15);
    max-height: 480px;
    width: 100%;
    object-fit: cover;
}

/* 轮播控制按钮 */
.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    z-index: 10;
    transition: all .2s;
    font-size: 20px;
    color: var(--primary);
}

.slider-prev { left: 20px; }
.slider-next { right: 20px; }
.slider-prev:hover, .slider-next:hover {
    background: var(--primary);
    color: #fff;
}

/* 轮播指示点 */
.slider-dots {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0,132,255,0.3);
    cursor: pointer;
    transition: all .3s;
    border: none;
}

.slider-dot.active {
    background: var(--primary);
    width: 28px;
    border-radius: 5px;
}

/* ===== 统计数字区 ===== */
.stats-bar {
    background: var(--primary);
    padding: 30px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.stat-item .num {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    display: block;
}

.stat-item .label {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
}

/* ===== 通用区块标题 ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header .eyebrow {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 38px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.25;
}

.section-header p {
    font-size: 17px;
    color: var(--text-light);
    max-width: 620px;
    margin: 0 auto;
}

/* ===== 功能特性区 ===== */
.features-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.feature-card {
    background: var(--bg-white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    transition: all .3s;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity .3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

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

.feature-icon-wrap {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(0,132,255,0.1), rgba(0,180,255,0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

/* ===== 关于区 ===== */
.about-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image img {
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(0,0,0,0.1);
}

.about-content h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.25;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 18px;
    font-size: 16px;
}

.about-list {
    margin: 28px 0;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--text-medium);
}

.about-list li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ===== 为什么选择区 ===== */
.why-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all .3s;
}

.why-card:hover {
    background: var(--primary);
    transform: translateY(-6px);
}

.why-card:hover h3,
.why-card:hover p {
    color: #fff;
}

.why-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.why-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
    transition: color .3s;
}

.why-card p {
    font-size: 14px;
    color: var(--text-light);
    transition: color .3s;
}

/* ===== 用户评价区 ===== */
.reviews-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.review-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 28px;
    font-size: 80px;
    color: var(--primary);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.review-stars {
    color: #FFB800;
    font-size: 18px;
    margin-bottom: 16px;
}

.review-text {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 24px;
    line-height: 1.8;
    font-style: italic;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 14px;
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.reviewer-name {
    font-weight: 700;
    font-size: 15px;
    color: var(--text-dark);
}

.reviewer-location {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== FAQ区 ===== */
.faq-section {
    padding: 100px 0;
    background: var(--bg-white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color .2s;
}

.faq-item.open {
    border-color: var(--primary);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 28px;
    cursor: pointer;
    font-weight: 600;
    font-size: 17px;
    color: var(--text-dark);
    transition: background .2s;
}

.faq-question:hover { background: var(--bg-light); }

.faq-toggle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
    transition: all .3s;
}

.faq-item.open .faq-toggle {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 28px 24px;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
}

.faq-item.open .faq-answer { display: block; }

/* ===== 新闻区 ===== */
.news-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all .3s;
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,132,255,0.15);
}

.news-thumb {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.news-card:hover .news-thumb img { transform: scale(1.06); }

.news-category {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.news-body {
    padding: 24px;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.news-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-title a {
    color: var(--text-dark);
}

.news-title a:hover { color: var(--primary); }

.news-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 下载CTA区 ===== */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    text-align: center;
}

.cta-section h2 {
    font-size: 44px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-store {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
    padding: 14px 28px;
    border-radius: 12px;
    transition: all .3s;
    backdrop-filter: blur(4px);
}

.btn-store:hover {
    background: rgba(255,255,255,0.25);
    color: #fff;
    transform: translateY(-3px);
}

.btn-store-icon { font-size: 32px; }

.btn-store-text .sub { font-size: 11px; opacity: 0.8; }
.btn-store-text .main { font-size: 18px; font-weight: 700; }

/* ===== 面包屑 ===== */
.breadcrumb-bar {
    background: var(--bg-light);
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text-dark); font-weight: 500; }

/* ===== 列表页 ===== */
.list-section {
    padding: 60px 0 100px;
}

.list-header {
    margin-bottom: 40px;
}

.list-header h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.list-header p {
    color: var(--text-light);
    font-size: 16px;
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 60px;
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    color: var(--text-medium);
    font-weight: 600;
    transition: all .2s;
    border: 1.5px solid var(--border);
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== 内容页 ===== */
.article-layout {
    padding: 60px 0 100px;
}

.article-main {
    max-width: 820px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
}

.article-header h1 {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-light);
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.article-meta span { display: flex; align-items: center; gap: 6px; }

.article-cover {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 40px;
}

.article-cover img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
}

.article-body {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-medium);
}

.article-body h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 40px 0 16px;
}

.article-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 28px 0 12px;
}

.article-body p { margin-bottom: 20px; }

.article-body img {
    border-radius: var(--radius);
    margin: 32px auto;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.article-body ul, .article-body ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }

.article-body blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 24px;
    background: var(--bg-light);
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 28px 0;
    color: var(--text-medium);
    font-style: italic;
}

/* 相关文章 */
.related-articles {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid var(--border);
}

.related-articles h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
}

.related-list { display: flex; flex-direction: column; gap: 12px; }

.related-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: all .2s;
}

.related-item:hover { background: rgba(0,132,255,0.06); }

.related-item::before {
    content: '→';
    color: var(--primary);
    font-weight: 700;
}

.related-item a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
}

.related-item a:hover { color: var(--primary); }

/* ===== 下载页 ===== */
.download-hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #e8f4ff 0%, #f0f8ff 100%);
    text-align: center;
}

.download-hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.download-hero p {
    font-size: 20px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 48px;
}

.download-hero-img {
    max-width: 860px;
    margin: 0 auto 60px;
    border-radius: 20px;
    box-shadow: 0 32px 80px rgba(0,132,255,0.15);
    overflow: hidden;
}

.download-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    background: #1a1a2e;
    color: #fff;
    padding: 16px 32px;
    border-radius: 14px;
    transition: all .3s;
}

.download-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,132,255,0.3);
}

.download-btn-icon { font-size: 36px; }
.download-btn-text .sub { font-size: 12px; opacity: 0.7; }
.download-btn-text .main { font-size: 20px; font-weight: 700; }

/* 下载特性 */
.download-features {
    padding: 80px 0;
    background: var(--bg-white);
}

/* ===== 页脚 ===== */
#footer {
    background: #0f1117;
    color: #ccc;
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo img {
    height: 44px;
    filter: brightness(0) invert(1);
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #888;
    margin-bottom: 24px;
}

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

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 16px;
    transition: all .2s;
}

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

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
}

.footer-links { display: flex; flex-direction: column; gap: 12px; }

.footer-links a {
    color: #888;
    font-size: 14px;
    transition: color .2s;
}

.footer-links a:hover { color: var(--primary); }

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #555;
}

.footer-bottom a { color: #555; }
.footer-bottom a:hover { color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .menu-toggle { display: flex; }
    
    .slide-inner { flex-direction: column; min-height: auto; padding: 40px 0; }
    .slide-content { padding-right: 0; text-align: center; }
    .slide-content h1, .slide-content h2 { font-size: 32px; }
    .slide-content p { font-size: 16px; }
    .slide-btns { justify-content: center; }
    .slide-image { width: 100%; margin-top: 30px; }
    
    .features-grid { grid-template-columns: 1fr; }
    .about-inner { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .list-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    
    .section-header h2 { font-size: 28px; }
    .download-hero h1 { font-size: 36px; }
    .cta-section h2 { font-size: 32px; }
    .article-header h1 { font-size: 28px; }
    
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .why-grid { grid-template-columns: 1fr; }
    .cta-btns { flex-direction: column; align-items: center; }
    .download-btns { flex-direction: column; align-items: center; }
}