/* ========================================
   浩旭软件应用商店 - 全局样式
   ======================================== */

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

:root {
    --primary: #00C45A;
    --primary-dark: #00a84a;
    --primary-light: #e8faf1;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --text-muted: #999;
    --bg-page: #f5f5f7;
    --bg-white: #ffffff;
    --border: #e8e8e8;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --radius: 8px;
    --radius-sm: 6px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f5f5f5;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 主内容区域填充剩余空间 */
.home-main {
    flex: 1;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
}

/* ========================================
   Header
   ======================================== */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 56px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-nav {
    display: flex;
    gap: 32px;
}

.nav-item {
    font-size: 15px;
    color: var(--text-secondary);
    padding: 4px 0;
    position: relative;
    transition: color 0.2s;
}

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

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    display: flex;
    align-items: center;
    background: #f5f5f7;
    border-radius: 20px;
    padding: 6px 14px;
    gap: 8px;
    width: 220px;
}

.search-input {
    border: none;
    background: none;
    outline: none;
    font-size: 13px;
    color: var(--text-primary);
    width: 100%;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 13px;
    padding: 0;
}

.search-container {
    position: relative;
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin-top: 8px;
    z-index: 1000;
    display: none;
    max-height: 300px;
    overflow-y: auto;
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background-color 0.2s ease;
}

.suggestion-item:hover {
    background-color: #f5f5f7;
}

.suggestion-icon {
    font-size: 20px;
}

.suggestion-name {
    font-size: 14px;
}



.btn-download {
    background: #1a1a1a;
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.btn-download:hover {
    background: #333;
}

.header-links {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* 未登录状态下的悬停效果 */
.header-links a {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.header-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-light);
    transition: left 0.3s ease;
    z-index: -1;
}

.header-links a:hover::before,
.header-links a.active::before {
    left: 0;
}

.header-links a:hover,
.header-links a.active {
    color: var(--primary);
    transform: translateY(-1px);
}

/* 登录后状态的用户菜单 */
.user-menu {
    display: inline-block;
    margin-left: 16px;
    position: relative;
}

.user-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.user-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-light);
    transition: left 0.3s ease;
    z-index: -1;
}

.user-link:hover::before {
    left: 0;
}

.user-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,196,90,0.2);
}
    color: #333;
    text-decoration: none;
    transition: color 0.2s;
}

.user-link:hover {
    color: #00C45A;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00C45A 0%, #059669 100%);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    margin-right: 12px;
    box-shadow: 0 2px 8px rgba(0,196,90,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0,196,90,0.4);
}

.avatar-initials {
    text-transform: uppercase;
}

.user-name {
    font-size: 14px;
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 28px 0 20px;
    margin-top: 40px;
    text-align: center;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}

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

.footer-links .sep {
    color: var(--border);
}

.footer-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.8;
}

.footer-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-badges img {
    height: 28px;
    width: auto;
}

.badge-text {
    font-size: 11px;
    color: #fff;
    background: var(--primary, #00C45A);
    padding: 3px 10px;
    border-radius: 4px;
    border: 1px solid transparent;
}

/* ========================================
   通用组件
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    flex-grow: 1;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}

/* App Card */
.app-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: var(--radius);
    background: #fff;
    transition: box-shadow 0.2s;
    cursor: pointer;
}

.app-card:hover {
    box-shadow: var(--shadow);
}

.app-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.icon-green { background: #e8faf1; }

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-info {
    flex: 1;
    min-width: 0;
}

.app-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.app-desc {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-count {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-dl {
    font-size: 12px;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 4px 12px;
    border-radius: 14px;
    white-space: nowrap;
    transition: all 0.2s;
    cursor: pointer;
    background: none;
}

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

/* Stars */
.stars {
    display: flex;
    gap: 1px;
    color: #ffa800;
    font-size: 10px;
    margin: 1px 0;
}

/* ========================================
   首页 Banner
   ======================================== */
.home-banner {
    background: linear-gradient(135deg, #f0fdf7 0%, #e8faf1 40%, #d4f5e6 100%);
    padding: 40px 0 30px;
}

.banner-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 40px;
}

.banner-content {
    flex: 1;
}

.banner-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.banner-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.banner-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #1a1a1a;
    color: #fff;
    padding: 10px 20px;
    border-radius: 22px;
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s;
}

.banner-btn:hover {
    background: #333;
}

.banner-preview {
    flex: 0 0 320px;
    position: relative;
}

.banner-preview-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    background: #fff;
    padding: 10px;
}

.banner-preview-mockup {
    width: 320px;
    height: 200px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    overflow: hidden;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2px;
    padding: 8px;
}

.mockup-app {
    background: linear-gradient(135deg, #e8faf1, #c5f0d9);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

/* ========================================
   首页内容区
   ======================================== */
.home-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* 必备应用 */
.essential-apps {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.essential-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

.essential-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s;
}

.essential-item:hover {
    background: var(--bg-page);
}

.essential-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    overflow: hidden;
}

.essential-icon.icon-green { background: #e8faf1; }

.essential-name {
    font-size: 12px;
    color: var(--text-primary);
    text-align: center;
    max-width: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.essential-count {
    font-size: 11px;
    color: var(--text-muted);
}

/* 内容板块 */
.content-section {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

/* 三列布局板块 */
.three-col-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.sub-section {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px;
}

.sub-section-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.app-list-v {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* 两列板块 */
.two-col-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* 应用网格 */
.app-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.app-grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.app-grid-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}

/* 游戏卡片（大图） */
.game-card-large {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: box-shadow 0.2s;
}

.game-card-large:hover {
    box-shadow: var(--shadow);
}

.game-banner {
    width: 100%;
    height: 120px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.game-banner-placeholder {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    border-radius: var(--radius) var(--radius) 0 0;
}

.game-info {
    padding: 10px 12px;
}

.game-name {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.game-meta {
    font-size: 11px;
    color: var(--text-muted);
}

/* 桌面墙/热门推选 */
.banner-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.banner-card {
    border-radius: var(--radius);
    overflow: hidden;
    height: 110px;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 0;
    transition: transform 0.2s, box-shadow 0.2s;
}

.banner-card.icon-green { background: #e8faf1; }

.banner-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}

/* 背景图层 */
.banner-card-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(0px);
    transition: filter 0.3s;
}

.banner-card:hover .banner-card-bg {
    filter: blur(1px) brightness(0.9);
}

/* 没有背景图时的渐变色覆盖 */
.banner-card-fallback {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* 底部毛玻璃信息栏 */
.banner-card-info {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 8px 12px 9px;
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(12px) saturate(1.5);
    -webkit-backdrop-filter: blur(12px) saturate(1.5);
    border-top: 1px solid rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    gap: 6px;
}

.banner-card-name {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-shadow: 0 1px 6px rgba(0,0,0,0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   软件/游戏页面
   ======================================== */
.page-layout {
    display: flex;
    gap: 0;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    flex: 1;
}

.sidebar {
    width: 140px;
    flex-shrink: 0;
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
    color: var(--text-secondary);
    position: relative;
}

.sidebar-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.sidebar-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

.sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
}

.sidebar-icon {
    font-size: 14px;
    width: 18px;
    text-align: center;
}

.content-area {
    flex: 1;
    background: var(--bg-page);
    overflow: hidden;
    width: 100% !important;
}

/* 内容页面顶部标签 */
.page-tabs {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    gap: 0;
}

.page-tab {
    padding: 14px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    white-space: nowrap;
}

.page-tab:hover {
    color: var(--primary);
}

.page-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 500;
}

/* 应用列表区域 */
.apps-content {
    padding: 20px 24px;
    width: 100% !important;
    max-width: 1800px !important;
    margin: 0 auto !important;
}

/* 大图标应用行 */
.app-row-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 12px;
    margin-bottom: 8px;
}

.app-item-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    background: #fff;
    border-radius: var(--radius);
    cursor: pointer;
    transition: box-shadow 0.2s;
    text-align: center;
}

.app-item-vertical:hover {
    box-shadow: var(--shadow);
}

.app-item-vertical .app-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    font-size: 30px;
}

.app-item-vertical .app-name {
    font-size: 12px;
    font-weight: 500;
    max-width: 80px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-item-vertical .app-count {
    font-size: 11px;
    color: var(--text-muted);
}

.app-item-vertical .stars {
    font-size: 10px;
}

/* 广告横幅 */
.app-store-banner {
    background: linear-gradient(135deg, #00C45A, #009944);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin: 16px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
}

.app-store-banner .banner-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
}

.app-store-banner .banner-dl-btn {
    background: #fff;
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.app-store-banner .banner-dl-btn:hover {
    opacity: 0.9;
}

/* ========================================
   关于我们页面
   ======================================== */
.about-page {
    background: linear-gradient(180deg, #f0fdf7 0%, #fff 30%);
    min-height: calc(100vh - 56px);
}

.about-hero {
    text-align: center;
    padding: 80px 24px 60px;
}

.about-hero h1 {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.about-hero p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.about-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.about-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.about-btn.primary {
    background: #1a1a1a;
    color: #fff;
}

.about-btn.primary:hover {
    background: #333;
}

.about-btn.secondary {
    background: #fff;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.about-btn.secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.about-btn.disabled {
    background: #f0f0f0;
    color: var(--text-muted);
    cursor: not-allowed;
    border: 1px solid var(--border);
}

.about-btn.disabled:hover {
    background: #f0f0f0;
    color: var(--text-muted);
    border-color: var(--border);
}

/* 应用截图展示 */
.about-screenshot {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

.screenshot-mockup {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    overflow: hidden;
    border: 1px solid var(--border);
}

.mockup-topbar {
    background: #f5f5f7;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--border);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.mockup-dot.red { background: #ff5f57; }
.mockup-dot.yellow { background: #ffbd2e; }
.mockup-dot.green { background: #28c940; }

.mockup-body {
    display: flex;
    height: 320px;
}

.mockup-sidebar {
    width: 120px;
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 12px 0;
}

.mockup-sidebar-item {
    padding: 8px 14px;
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
}

.mockup-sidebar-item.active {
    color: var(--primary);
    background: var(--primary-light);
}

.mockup-content {
    flex: 1;
    padding: 12px;
    background: var(--bg-page);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    align-content: start;
}

.mockup-app-item {
    background: #fff;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.mockup-app-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.mockup-app-name {
    font-size: 10px;
    color: var(--text-secondary);
    text-align: center;
}

/* 特性区块 */
.about-features {
    background: #fff;
}

.feature-block {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 40px;
    display: flex;
    align-items: center;
    gap: 80px;
}

.feature-block.reverse {
    flex-direction: row-reverse;
}

.feature-text {
    flex: 1;
}

.feature-text h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

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

.feature-visual {
    flex: 0 0 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon-large {
    width: 160px;
    height: 160px;
    border-radius: 40px;
    background: linear-gradient(135deg, #e8faf1, #b8edd0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    box-shadow: 0 20px 40px rgba(0,196,90,0.2);
}

.feature-divider {
    height: 1px;
    background: var(--border);
}

/* ========================================
   滚动与动画
   ======================================== */
.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 1024px) {
    .essential-grid { grid-template-columns: repeat(5, 1fr); }
    .app-row-grid { grid-template-columns: repeat(4, 1fr); }
    .three-col-section { grid-template-columns: 1fr 1fr; }
    .banner-inner { flex-direction: column; text-align: center; gap: 20px; }
    .banner-preview { flex: none; width: 280px; margin: 0 auto; }
}

@media (max-width: 768px) {
    /* 头部优化 */
    .header-inner { padding: 0 16px; }
    .header-left { gap: 16px; }
    .main-nav { display: none; }
    .search-box { width: 160px; }
    .header-links { display: none; }
    
    /* 侧边栏隐藏 */
    .sidebar { display: none; }
    
    /* 首页优化 */
    .home-banner { padding: 30px 0 20px; }
    .banner-title { font-size: 24px !important; }
    .banner-subtitle { font-size: 13px !important; }
    .home-main { padding: 16px; }
    .content-section { padding: 20px; margin-bottom: 16px; border-radius: 12px; }
    
    /* 网格布局优化 */
    .essential-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .essential-icon { width: 52px; height: 52px; font-size: 26px; border-radius: 12px; }
    .essential-name { font-size: 12px; max-width: 60px; text-align: center; }
    .three-col-section { grid-template-columns: 1fr; gap: 16px; }
    .two-col-section { grid-template-columns: 1fr; gap: 16px; }
    .app-grid-4, .app-grid-5, .app-grid-6 { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .app-row-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    
    /* 卡片优化 */
    .app-card { padding: 12px; gap: 10px; border-radius: 12px; }
    .app-icon { width: 48px; height: 48px; font-size: 20px; border-radius: 10px; }
    .app-name { font-size: 13px; font-weight: 500; }
    .app-desc { font-size: 11px; }
    .app-count { font-size: 11px; }
    .btn-dl { font-size: 12px; padding: 4px 12px; border-radius: 16px; }
    
    /* 游戏卡片 */
    .game-banner, .game-banner-placeholder { height: 120px; border-radius: 12px 12px 0 0; }
    .game-info { padding: 12px; }
    .game-name { font-size: 14px; }
    
    /* 关于页面 */
    .about-hero { padding: 60px 20px 40px; }
    .about-hero h1 { font-size: 32px; }
    .about-btns { flex-direction: column; align-items: center; gap: 12px; }
    .feature-block { padding: 60px 20px; gap: 30px; }
    .feature-text h2 { font-size: 24px; }
    
    /* 内容区域 */
    .page-layout { padding: 0 16px !important; }
    .page-tabs { padding: 0 16px; }
    .apps-content { padding: 16px; }
    
    /* 页脚优化 */
    .footer-inner { padding: 0 16px; }
    .footer-links { flex-wrap: wrap; gap: 8px; font-size: 12px; }
    .footer-info { flex-direction: column; gap: 6px; font-size: 11px; }
    
    /* 分类标签 */
    .category-tags { gap: 8px; }
    .category-tag { padding: 8px 16px; font-size: 13px; }
    
    /* 搜索页面 */
    .lenovo-search-empty { padding: 60px 0; }
    .empty-icon i { font-size: 40px; }
}

@media (max-width: 480px) {
    /* 超小屏幕优化 */
    .header-inner { padding: 0 12px; }
    .search-box { width: 140px; padding: 4px 10px; }
    .banner-title { font-size: 20px !important; }
    .banner-subtitle { font-size: 12px !important; }
    .home-main { padding: 12px; }
    .content-section { padding: 12px; margin-bottom: 12px; }
    .essential-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .app-row-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .app-grid-4, .app-grid-5, .app-grid-6 { grid-template-columns: repeat(2, 1fr); }
    .app-item-vertical .app-icon { width: 48px; height: 48px; font-size: 24px; }
    .app-item-vertical .app-name { font-size: 11px; max-width: 70px; }
    .game-banner, .game-banner-placeholder { height: 80px; }
}

/* 移动端触摸优化 */
@media (hover: none) and (pointer: coarse) {
    .app-card, .essential-item, .app-item-vertical {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    .btn-dl, .banner-btn, .about-btn {
        touch-action: manipulation;
    }
    
    .mobile-nav-item {
        -webkit-tap-highlight-color: transparent;
    }
    
    .mobile-menu-btn {
        -webkit-tap-highlight-color: transparent;
    }
}

/* 移动端过渡动画 */
.mobile-menu {
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-overlay {
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-overlay.active {
    opacity: 1;
}

/* 移动端卡片动效 */
@media (max-width: 768px) {
    .app-card {
        transition: all 0.3s ease;
    }
    
    .app-card:active {
        transform: scale(0.98);
    }
    
    .essential-item {
        transition: all 0.3s ease;
    }
    
    .essential-item:active {
        transform: scale(0.98);
    }
    
    .app-item-vertical {
        transition: all 0.3s ease;
    }
    
    .app-item-vertical:active {
        transform: scale(0.98);
    }
}

/* 移动端性能优化 */
@media (max-width: 768px) {
    .banner-card-bg {
        will-change: transform;
    }
    
    .welcome-content {
        padding: 30px 20px;
    }
}

/* 移动端菜单样式 */
.mobile-menu-btn {
    display: none;
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s;
    z-index: 1001;
}

.mobile-menu-btn:hover {
    background: var(--bg-page);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 300px;
    height: 100vh;
    background: #fff;
    box-shadow: -4px 0 16px rgba(0,0,0,0.2);
    z-index: 2000;
    transition: right 0.3s ease;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}

.mobile-menu-header .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-menu-close {
    border: none;
    background: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s;
}

.mobile-menu-close:hover {
    background: var(--bg-page);
}

.mobile-nav {
    flex: 1;
    padding: 0;
    overflow-y: auto;
}

.mobile-nav-item {
    display: block;
    padding: 16px 20px;
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.2s;
    border-bottom: 1px solid var(--border);
}

.mobile-nav-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.mobile-menu-footer {
    padding: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #fff;
    position: sticky;
    bottom: 0;
}

.mobile-menu-footer .mobile-menu-btn {
    display: block;
    padding: 12px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    text-align: center;
    transition: all 0.2s;
}

.mobile-menu-footer .mobile-menu-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.mobile-menu-footer .mobile-menu-btn.primary {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.mobile-menu-footer .mobile-menu-btn.primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
}

/* 移动端菜单显示控制 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
}

/* 移动端菜单遮罩 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
    display: none;
}

.mobile-menu-overlay.active {
    display: block;
}

/* ========================================
   应用图标颜色 (无图时显示)
   ======================================== */




/* Close banner button */
.close-banner {
    position: absolute;
    top: 8px;
    right: 10px;
    background: rgba(255,255,255,0.3);
    border: none;
    color: #fff;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   关于我们页面补充
   ======================================== */
.about-btn.disabled {
    pointer-events: none;
}

/* 颜色变量兼容 */
:root {
    --green: #00C45A;
    --blue: #1677ff;
    --orange: #ff7d00;
    --purple: #7c3aed;
    --red: #ef4444;
    --teal: #0891b2;
    --pink: #ec4899;
    --yellow: #fbbf24;
    --gray: #6b7280;
    --indigo: #6366f1;
    --cyan: #06b6d4;
    --lime: #84cc16;
}

/* 首页 Banner 渐变颜色 */


/* 首页 Section 间距 */
.home-main > .content-section:last-child {
    margin-bottom: 0;
}

/* 关于页面下载按钮主题 */
.about-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #1a1a1a;
    color: #fff;
    padding: 12px 28px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 500;
    transition: background 0.2s;
    border: none;
    cursor: pointer;
}

.about-btn-download:hover {
    background: #333;
}

/* 应用图标正方形 */
.app-item-vertical .app-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    font-size: 26px;
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #f5f5f7;
}

::-webkit-scrollbar-thumb {
    background: #d0d0d0;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b0b0b0;
}

/* 悬停效果增强 */
.essential-item:hover .essential-icon {
    transform: translateY(-2px);
    transition: transform 0.2s;
}

.app-item-vertical .app-icon {
    transition: transform 0.2s;
}

.app-item-vertical:hover .app-icon {
    transform: translateY(-2px);
}

/* 软件/游戏页面内容滚动 */
.content-area {
    overflow-y: auto;
}

/* 内容区填满剩余高度 */
.page-layout {
    align-items: stretch;
}

/* 分类标签样式 */
.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0;
}

.category-tag {
    padding: 6px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    font-size: 14px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.category-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 189, 108, 0.05);
}

.category-tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* 搜索页面样式 */
.lenovo-search-stats {
    margin: 30px 0;
}

.stats-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.lenovo-search-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--text-muted);
}

.empty-icon {
    margin-bottom: 16px;
}

.empty-icon i {
    font-size: 48px;
    opacity: 0.5;
}

.lenovo-search-empty h3 {
    font-size: 18px;
    font-weight: 500;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.lenovo-search-empty p {
    font-size: 14px;
    margin: 0;
}