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

:root {
    --primary-pink: #C34598;
    --primary-pink-dark: #a8367d;
    --primary-pink-light: #FCB3C7;
    --primary-purple: #C34598;
    --primary-purple-light: #FCB3C7;
    --gradient-start: #F1FDEF;
    --gradient-mid: #EEF6FD;
    --gradient-end: #FEEDFF;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #fdf2f8;
    --bg-purple-light: #faf5ff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family:"微软雅黑", 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
}

/* RTL 语言支持（ar/fa/he/ur）
   目标：文字 RTL，但整体布局不镜像（避免左右颠倒） */
html[dir="rtl"] body {
    direction: rtl;
}

/* 保持主要布局仍按 LTR 排列（避免 flex/grid 视觉镜像） */
html[dir="rtl"] .header-content,
html[dir="rtl"] .nav,
html[dir="rtl"] .hero-content,
html[dir="rtl"] .feature-row,
html[dir="rtl"] .tools-grid,
html[dir="rtl"] .pro-grid,
html[dir="rtl"] .download-platforms,
html[dir="rtl"] .download-stats,
html[dir="rtl"] .footer-content {
    direction: ltr;
}

/* 文字内容区域使用 RTL 并右对齐 */
html[dir="rtl"] [data-i18n],
html[dir="rtl"] .hero-desc,
html[dir="rtl"] .feature-title,
html[dir="rtl"] .feature-desc,
html[dir="rtl"] .tools-section-title,
html[dir="rtl"] .section-title,
html[dir="rtl"] .download-title,
html[dir="rtl"] .download-desc,
html[dir="rtl"] .platform-version,
html[dir="rtl"] .platform-size,
html[dir="rtl"] .footer-description,
html[dir="rtl"] .footer-col h4,
html[dir="rtl"] .footer-col a,
html[dir="rtl"] .footer-nav-links a,
html[dir="rtl"] .tool-card h4,
html[dir="rtl"] .tool-card p,
html[dir="rtl"] .pro-overlay h4,
html[dir="rtl"] .pro-overlay p,
html[dir="rtl"] .stat-item span {
    direction: rtl;
    text-align: right;
}

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

/* 顶部导航 */
.header {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 16px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header.scrolled {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    border-bottom: none;
}

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

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

.logo-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: all 0.3s ease;
}
.logo-icon img {
	width:100%;
}

.header.scrolled .logo-icon {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.header.scrolled .logo-text {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 18px;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: var(--primary-pink);
}

.nav a.active {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

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

.language-selector {
    margin-right: 0;
}

.lang-select-container {
    position: relative;
    z-index: 1001;
}

.lang-select-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 52px;
    box-sizing: border-box;
}

.lang-select-header:hover {
    border-color: var(--gradient-mid);
    box-shadow: var(--shadow-sm);
}

.lang-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: none;
    max-height: 320px;
    overflow-y: auto;
}

.lang-select-dropdown.show {
    display: block;
}

.lang-option {
    padding: 10px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 14px;
}

.lang-option:hover {
    background-color: var(--bg-light);
}

.lang-option.active {
    background-color: var(--gradient-mid);
    color: var(--text-primary);
}

.header.scrolled .nav a {
    color: #4b5563;
}

.header.scrolled .nav a:hover {
    color: #1f2937;
}

.header-btn {
    padding: 14px 32px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    border: none;
    border-radius: 25px;
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px -5px rgba(139, 92, 246, 0.3);
    height: 52px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px -8px rgba(139, 92, 246, 0.4);
}

.header.scrolled .header-btn {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    color: white;
}

.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1002;
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: all 0.3s ease;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
    transition: all 0.3s ease;
}

.menu-icon::before {
    top: -8px;
}

.menu-icon::after {
    top: 8px;
}

.mobile-menu-btn.active .menu-icon {
    background: transparent;
}

.mobile-menu-btn.active .menu-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999;
    padding: 40px 24px 40px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow-y: auto;
    box-sizing: border-box;
}

.mobile-menu.show {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
	display: grid;
  grid-template-columns: repeat(2, 1fr); 
  gap: 5px;
	padding:0 0 10px 0;
}

.mobile-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    padding: 10px 0;
    transition: color 0.3s ease;
    display: block;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.mobile-language-selector {
    width: 100%;
}

.mobile-lang-select-container {
    position: relative;
    width: 100%;
}

.mobile-lang-select-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    background: var(--bg-white);
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 52px;
    box-sizing: border-box;
}

.mobile-lang-select-header:hover {
    border-color: var(--gradient-mid);
    box-shadow: var(--shadow-sm);
}

.mobile-lang-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.mobile-lang-select-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: none;
    z-index: 100;
    max-height: 320px;
    overflow-y: auto;
}

.mobile-lang-select-dropdown.show {
    display: block;
}

.mobile-lang-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    font-size: 16px;
}

.mobile-lang-option:hover {
    background-color: var(--bg-light);
}

.mobile-header-btn {
    width: 100%;
    padding: 14px 32px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 30%, #8B5CF6 70%, #A855F7 100%);
    border: none;
    border-radius: 25px;
    color: white;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px -5px rgba(139, 92, 246, 0.3);
    height: 52px;
    box-sizing: border-box;
}

.mobile-header-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px -8px rgba(139, 92, 246, 0.4);
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, #D1F9E0 0%, #D8E6FD 50%, #FCD9FF 100%);
    padding: 140px 0 60px;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.5) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-desc {
    font-size: 18px;
    color: #4b5563;
    margin-bottom: 32px;
    line-height: 1.8;
    max-width: 500px;
}

.hero-btn {
    padding: 24px 60px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 50%, #FF6B6B 100%);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 12px 30px -8px rgba(255, 107, 107, 0.4);
}

.hero-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 35px -10px rgba(255, 107, 107, 0.5);
}
.hero-btn i {
	width:2.4rem;
	height:2.4rem;
}
.hero-btn i img {
	width:100%;
}

.hero-image {
    flex: 1;
    text-align: center;
}

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

/* 副标题区域 */
.sub-hero {
    background: var(--bg-white);
    padding: 40px 0;
    text-align: center;
}

.sub-hero-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
}

/* 截图小工具展示 */
.screenshot-tools-section {
    padding: 60px 0;
    background: var(--bg-white);
}

.tools-section-title {
    font-size: 35px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 48px;
}

.screenshot-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.screenshot-tool-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.screenshot-tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gradient-mid);
}

.screenshot-tool-card .tool-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #1f2937;
}

.screenshot-tool-card .tool-icon img {
	width:60%;
}

.screenshot-tool-card h4 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.screenshot-tool-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 功能区域 */
.feature-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.feature-section.alt-bg {
    background: var(--bg-light);
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

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

.feature-text {
    flex: 1;
}

.feature-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.feature-desc {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 2.0;
}

.feature-btn {
    padding: 20px 48px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 50%, #FF6B6B 100%);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 10px 25px -5px rgba(255, 107, 107, 0.35);
	display:flex;
	justify-content: center;
	align-items: center;
	gap:1rem;
}

.feature-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px -8px rgba(255, 107, 107, 0.45);
}

.feature-btn img {
	width:2.1rem;
}

.feature-image {
    flex: 1;
}

.feature-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
}

/* 更多工具区域 */
.tools-section {
    padding: 80px 0;
    background: var(--bg-purple-light);
    text-align: center;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 48px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.tool-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    color: #1f2937;
}
.tool-icon img {
	width:80%;
}

.tool-icon.pink {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 100%);
}

.tool-icon.purple {
    background: linear-gradient(135deg, var(--gradient-mid) 0%, var(--gradient-end) 100%);
}

.tool-card h4 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.tool-card p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.section-btn {
    padding: 18px 64px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 50%, #FF6B6B 100%);
    border: none;
    border-radius: 35px;
    color: white;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 12px 30px -8px rgba(255, 107, 107, 0.4);
	display:inline-flex;
	justify-content: center;
	align-items: center;
	gap:1rem;
}
.section-btn img {
	height:2.1rem;
}

.section-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 35px -10px rgba(255, 107, 107, 0.5);
}

/* 专业功能区域 */
.pro-section {
    padding: 80px 0;
    background: var(--bg-white);
    text-align: center;
}

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

.pro-card {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.pro-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pro-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.pro-overlay {
    padding: 20px 16px;
    text-align: left;
}

.pro-overlay h4 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.pro-overlay p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 下载区域 */
.download-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-purple-light) 100%);
    padding: 80px 0;
    text-align: center;
}

.download-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.download-desc {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.download-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 360px));
    gap: 32px;
    margin-bottom: 48px;
    justify-content: center;
}

.platform-card {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 40px 24px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.platform-card.featured {
    border-color: var(--gradient-mid);
    transform: scale(1.05);
}

.platform-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.platform-badge {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #FCB3C7 0%, #C34598 100%);
    color: #1f2937;
    padding: 5px 20px;
    border-radius: 30px;
    font-size: 17px;
    font-weight: 600;
	color:#fff;
}

.platform-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    color: #1f2937;
}
.platform-icon img {
	width:70%;
}

.platform-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.platform-version {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.platform-size {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.platform-btn {
    width: 100%;
    padding: 22px 28px;
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 50%, #FF6B6B 100%);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    box-shadow: 0 10px 25px -5px rgba(255, 107, 107, 0.35);
}

.platform-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 30px -8px rgba(255, 107, 107, 0.45);
}

.download-stats-section {
    background: linear-gradient(135deg, #F1FDEF 0%, #EEF6FD 50%, #FEEDFF 100%);
    padding: 60px 0;
    text-align: center;
}

.download-stats {
    display: flex;
    justify-content: space-evenly;
    gap: 5rem;
}

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

.stat-item i {
    font-size: 48px;
    color: white;
    background: linear-gradient(135deg, #C34598 0%, #FCB3C7 100%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
    box-shadow: 0 8px 20px rgba(195, 69, 152, 0.3);
}
.stat-item i img {
	width:60%;
}

.stat-item span {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

/* 页脚 */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: block;
}

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

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1f2937;
    font-size: 18px;
}
.footer-logo-icon img {
	width:100%;
}

.footer-logo-text {
    font-size: 18px;
    font-weight: 600;
}

.footer-description {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    max-width: 500px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-nav-links {
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 28px 32px;
}

.footer-nav-links a {
    display: inline-block;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 14px;
    padding: 4px 0;
    white-space: nowrap;
    transition: color 0.2s ease;
}

.footer-nav-links a:hover {
    color: #fff;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    padding: 6px 0;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-mid) 50%, var(--gradient-end) 100%);
    border: none;
    border-radius: 50%;
    color: #1f2937;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}
.back-to-top img {
	width:70%;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

    .hero-desc {
        max-width: 100%;
    }

    .feature-row,
    .feature-row.reverse {
        flex-direction: column;
        gap: 40px;
    }

    .tools-grid,
    .pro-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
	.hero .container {
		padding:0;
	}
	.hero .hero-desc {
		padding:0 20px;
	}

    .nav {
        display: none;
    }

    .header-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-menu {
        display: block;
    }

    .header.menu-open {
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .hero {
        padding: 120px 0 60px;
    }

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

    .sub-hero-title {
        font-size: 24px;
    }

    .feature-section {
        padding: 30px 0;
    }
	
	.feature-text {
		background:#f5f5f5;
		padding:2rem 1rem;
		border-radius: 1rem;
	}
	.feature-btn {
		padding:15px 30px;
		font-size:18px;
		margin: 0 auto;
	}

    .feature-title {
        font-size: 22px;
    }

    .section-title {
        font-size: 24px;
    }

   
    .pro-grid {
        grid-template-columns: 1fr;
    }
	
	.tools-grid {
		display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
	}
	
	.tool-card h4 {
		font-size:20px;
	}
	.tool-card p  {
		font-size:15px;
		text-align: left;
	}
	.tool-card {
		padding:20px 10px;
	}

    .download-platforms {
        grid-template-columns: 1fr;
        gap: 24px;
    }
	
	.tools-section,.download-section {
		padding:50px 0;
	}

    .platform-card.featured {
        transform: none;
    }

    .platform-card.featured:hover {
        transform: translateY(-8px);
    }

    .download-stats {
        flex-direction: row;
        gap: 40px;
    }

    .stat-item i {
        font-size: 36px;
        width: 80px;
        height: 80px;
    }

    .stat-item span {
        font-size: 14px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
		padding-bottom: 15px;
    }
	.back-to-top {
		right:10px;
	}

    .footer-brand {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px 24px;
        justify-content: center;
    }

    .footer-nav-links {
        justify-content: center;
    }

    .footer-col {
        text-align: center;
    }
	.footer {
		padding:30px 0 0 0;
	}
}

@media (max-width: 480px) {
	.hero-btn {
		padding:15px 30px;
	}
    .feature-title {
        font-size: 20px;
    }

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

    .stat-item span {
        font-size: 16px;
    }
}