/* 基础变量 */
:root {
    --primary-color: #91B6FF;
    --primary-light: #b3ccff;
    --primary-dark: #6a9aff;
    --accent-purple: #b388ff;
    --accent-purple-light: #d4b8ff;
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: #16161f;
    --bg-hover: #1f1f2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --border-color: #2a2a3a;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

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

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    color: var(--bg-primary);
	font-size:16px;
	padding: 0 28px;
	border-radius: 30px;
	height:46px;
	line-height: 46px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(145, 182, 255, 0.3);	
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: rgba(145, 182, 255, 0.1);
}

/* 导航栏 */
.navbar {
    background-color: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 40px;
}

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

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
	width:56px;
	height:56px;
}
.logo-icon img {
	width:100%;
}

.logo-text {
    font-size: 22px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
	 position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.nav_cont {
	display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-purple));
    border-radius: 2px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
	height:48px;
	line-height: 48px;
}

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

.lang-btn .arrow {
    font-size: 10px;
    transition: var(--transition);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 140px;
    max-height: 300px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
}

/* 自定义滚动条样式 */
.lang-dropdown::-webkit-scrollbar {
    width: 6px;
}

.lang-dropdown::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 3px;
}

.lang-dropdown::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.lang-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.lang-item {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}

.lang-item:hover,
.lang-item.active {
    color: var(--primary-color);
    background-color: var(--bg-hover);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

.mobile-language-selector,
.mobile-download-btn {
    display: none;
}

/* 英雄区域 */
.hero {
    position: relative;
    padding: 70px 0 120px;
    overflow: hidden;
	background: url(../images/banner_bg.png) no-repeat center bottom;
	background-size:auto 700px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(145, 182, 255, 0.15) 0%, rgba(179, 136, 255, 0.1) 30%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0;
	flex-direction: column;
}

.hero-left {
	display: flex;
	flex-direction: column;
    flex: 1;
	justify-content: center;
	align-items: center;
}

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(145, 182, 255, 0.2) 0%, rgba(179, 136, 255, 0.2) 100%);
    border: 1px solid rgba(145, 182, 255, 0.3);
    border-radius: 20px;
    font-size: 16px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 600px;
	text-align: center;
}

.hero-buttons {
    display: flex;
    gap: 30px;
    margin-bottom: 48px;
}

.hero-buttons .btn-primary {
	font-size:20px;
	padding:0 50px;
	height:56px;
	line-height: 56px;
	border-radius: 40px;
}
.hero-buttons .btn-secondary {
	font-size:20px;
	padding:0 50px;
	height:56px;
	line-height: 56px;
	border-radius: 40px;
}
.hero-stats {
    display: flex;
	justify-content: center;
	align-items: center;
	max-width: 640px;
	margin: 0 auto 40px auto;
}

.stat-item {
    display: flex;
	flex:1;
    flex-direction: column;
    gap: 5px;
	align-items: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 18px;
    color: var(--text-muted);
}

.hero-right {
    flex: 1;
    display: flex;
    justify-content: center;
	margin-top: 240px;
	padding-top:60px;
}

.hero-image {
    display: flex;
    align-items: center;
    gap: 30px;
}

.doc-preview {
    width: 240px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.preview-header {
    display: flex;
    gap: 6px;
    padding: 16px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.preview-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
}

.preview-content {
    padding: 20px;
    min-height: 160px;
	display: flex;
    flex-direction: column;
    justify-content: center;
}

.preview-content.messy .messy-line {
    height: 8px;
    background-color: rgba(145, 182, 255, 0.3);
    border-radius: 4px;
    margin-bottom: 12px;
}

.preview-content.neat .neat-line {
    height: 8px;
    background-color: rgba(145, 182, 255, 0.5);
    border-radius: 4px;
    margin-bottom: 12px;
}

.preview-label {
    display: block;
    text-align: center;
    padding: 12px;
    font-size: 15px;
    color: var(--text-muted);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.arrow-icon {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translateX(0); }
    50% { opacity: 0.6; transform: translateX(8px); }
}

/* 区块通用样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 30px;
    background: linear-gradient(135deg, rgba(145, 182, 255, 0.15) 0%, rgba(179, 136, 255, 0.15) 100%);
    border: 1px solid rgba(145, 182, 255, 0.2);
    border-radius: 20px;
    font-size: 16px;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 18px;
    color: var(--text-muted);
}

/* 功能特性 */
.features {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(145, 182, 255, 0.15);
}

.feature-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(145, 182, 255, 0.15) 0%, rgba(179, 136, 255, 0.15) 100%);
    border-radius: 16px;
    margin-bottom: 20px;
}

.feature-icon img {
	width:78%;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* 支持格式 */
.formats {
    padding: 100px 0;
    background-color: var(--bg-primary);
}

.formats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.format-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.format-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
}

.format-icon {
    margin-bottom: 16px;
}
.format-icon img {
	width:64px;
}

.format-name {
    display: block;
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.format-ext {
    font-size: 16px;
    color: var(--text-muted);
}

/* 自定义格式 */
.custom-format {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.custom-format-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.custom-format-options {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
	display: flex;
	align-items: center;
	flex-direction: column;
	justify-content: space-between;
}

.options-header {
    margin-bottom: 24px;
	width:100%;
}

.option-group {
    margin-bottom: 24px;
	width:100%;
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 25px;
}

.option-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.option-buttons {
    display: flex;
    gap: 8px;
}

.option-btn {
    padding: 6px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.option-btn:hover,
.option-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-primary);
}

.option-toggle {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: var(--bg-tertiary);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.option-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background-color: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

.option-toggle.active::after {
    left: 22px;
    background-color: var(--primary-color);
}

.custom-format-result {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
}

.result-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.result-preview {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 20px;
}

.preview-page {
    background-color: white;
    border-radius: 4px;
    padding: 40px 32px;
    min-height: 300px;
    transition: all 0.3s ease;
}

.page-title {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 24px;
}

.page-paragraph {
    font-size: 14px;
    color: #333;
    line-height: 1.8;
    margin-bottom: 16px;
    text-indent: 2em;
    text-align: justify;
    transition: all 0.3s ease;
}

.page-line {
    height: 12px;
    background-color: #e0e0e0;
    border-radius: 2px;
    margin-bottom: 12px;
}

.page-line.short {
    width: 60%;
}

.apply-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    border: none;
    border-radius: 8px;
    color: var(--bg-primary);
    font-size: 18px;
    font-weight: normal;
    cursor: pointer;
    transition: var(--transition);
	text-align: center;
	justify-content: center;
}

.apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(145, 182, 255, 0.3);
}

/* 使用场景 */
.scenarios {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.scenarios-list {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.scenario-item {
    display: flex;
    align-items: center;
    gap: 60px;
}

.scenario-item.reverse {
    flex-direction: row-reverse;
}

.scenario-image {
    display: flex;
    justify-content: center;
	align-items: center;
	background:linear-gradient(to right, rgba(145,182,542,.1) 0%,rgba(145,182,542,0) 75%, rgba(145,182,542,0)) 100%;
	width:480px;
	height:480px;
	border-radius: 50%;
}
.scenario-image img {
	width:100%;
}

.scenario-text {
    flex: 1;
}

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

.scenario-desc {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 2.0;
    margin-bottom: 24px;
}

.scenario-highlights {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.scenario-highlights li {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 16px;
    color: var(--text-secondary);
}

.highlight-icon {
    width:28px;
	height:28px;
}
.highlight-icon img {
	width:100%;
}

/* 下载区域 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.download-content {
    display: flex;
    align-items: center;
    gap: 80px;
}

.download-left {
    width:480px;
}

.download-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-description {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.download-buttons {
    display: flex;
    gap: 16px;
	flex-direction: column;
	padding:0 80px 0 0;
 }

.download-buttons .btn {
	font-size:20px;
	border-radius: 50px;
	display: flex;
	justify-content: center;
	align-items: center;
	height:70px;
	gap:20px;
}

.download-buttons .btn span {
	display:block;
	width:40px;
	height: 40px;
}

.download-buttons .btn span img {
	width:100%;
}

.download-right {
    flex: 1;
}

.download-features {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
	display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.download-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 5px 0;
}
.download-feature img {
	width:24px;
}

.download-feature:last-child {
    border-bottom: none;
}

.download-feature span {
    font-size: 17px;
    color: var(--text-secondary);
}

.download-pic {
	width:100%;
	text-align: center;
}
.download-pic img {
	max-width: 500px;
}

/* 页脚 */
.footer {
    padding: 60px 0 30px;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-main {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-developer {
    max-width: 360px;
}

.developer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.developer-title {
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.developer-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-links-container {
    display: flex;
    gap: 80px;
}

.footer-links-group {
    min-width: 120px;
}

.links-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.link-item {
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.copyright {
    font-size: 14px;
    color: var(--text-muted);
}

/* 底部语言选择区域 */
.footer-language-section {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.language-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.language-buttons-wrapper {
    position: relative;
}

.language-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin: 0 auto;
}

.language-btn {
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    text-decoration: none;
    transition: var(--transition);
}

.language-btn:hover,
.language-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-primary);
}

.language-toggle-btn {
    display: none;
    margin: 16px auto 0;
    padding: 10px 24px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.language-toggle-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    border: none;
    border-radius: 50%;
    color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top img {
	width:70%;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(145, 182, 255, 0.4);
}

/* 导航栏滚动效果 */
.navbar.scrolled {
    background-color: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
	border-bottom: none;
}

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

    .hero-left {
        order: 1;
    }

    .hero-right {
        order: 2;
    }

    .hero-description {
        margin: 0 auto 32px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

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

    .formats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .custom-format-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .scenario-item,
    .scenario-item.reverse {
        flex-direction: column;
        text-align: center;
    }

    .download-content {
        flex-direction: column;
        text-align: center;
    }

    .download-buttons {
        justify-content: center;
    }

    .footer-main {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links-container {
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
	.hero-buttons {
		flex-direction:column;
		gap:25px;
		margin-bottom: 20px;
	}
	.container { 
		padding:0 20px;
	}
    .navbar {
        padding: 18px 20px;
    }

    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        flex-direction: column;
        padding: 30px 20px 50px;
        gap: 0;
        transform: none;
        overflow-y: auto;
        height: auto;
        min-height: calc(100vh - 70px);
        max-height: calc(100vh - 70px);
    }

    .nav-menu.show {
        display: flex;
    }
	.nav_cont {
		width:100%;
		display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0px;
	}
	.nav-link.active::after {
		background:none;
	}
    .nav-menu .nav-link {
        display: block;
        padding: 12px 0;
        font-size: 18px;
        text-align: left;
        flex-shrink: 0;
    }

    .nav-right {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-language-selector {
        display: block;
        margin-top: 20px;
        flex-shrink: 0;
		width:100%;
    }

    .mobile-lang-header {
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 10px 0;
		background: rgba(145,182,254,.3);
		border-radius: 50px;
		gap:15px;
    }
	
	.mobile-lang-current {
		font-size: 18px;
        color: var(--text-primary);
        cursor: pointer;
	}

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

    .mobile-lang-dropdown {
        display: none;
        flex-direction: column;
        background: var(--bg-tertiary);
        border-radius: 8px;
        margin-top: 8px;
        max-height: 200px;
        overflow-y: auto;
    }

    .mobile-lang-dropdown.show {
        display: flex;
    }

    .mobile-lang-item {
        padding: 12px 16px;
        color: var(--text-secondary);
        text-decoration: none;
        border-bottom: 1px solid var(--border-color);
        font-size: 15px;
		border-bottom: none;
    }

    .mobile-lang-item:last-child {
        border-bottom: none;
    }

    .mobile-lang-item.active {
        color: var(--primary-color);
        font-weight: 500;
    }

    .mobile-download-btn {
        display: block;
        margin-top: 20px;
        text-align: center;
        flex-shrink: 0;
		width: 100%;
    }

    .hero {
        padding: 60px 0 80px;
		background:none;
    }
	.hero-right {
		width:100%;
		margin-top:0px;
		padding-top: 120px;
		background: url(../images/banner_bg.png) no-repeat center top;
		background-size:100% auto;
	}

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-stats {
        flex-direction: row;
        gap: 24px;
    }

	.stat-number {
		font-size:24px;
	}
	.stat-label {
		font-size:16px;
	}
    .hero-image {
        flex-direction: column;
		gap:10px;
    }

    .arrow-icon {
        transform: rotate(90deg)!important;
    }

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

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .custom-format-content {
        grid-template-columns: 1fr;
    }
	.options-header {
		margin-bottom:0;
	}
	.option-item {
		flex-direction:column;
		align-items: flex-start;
		gap:5px;
		margin-bottom: 15px;
	}
	.custom-format-result {
		padding:15px;
	}

    .option-buttons {
        flex-wrap: wrap;
    }

    .option-btn {
        
    }
	
	.scenarios {
		padding:0 0 60px 0;
	}
	
	.download {
		padding:60px 0;
	}
	.download-left {
		width:100%;
	}

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

    .download-buttons {
        flex-direction: column;
        align-items: stretch;
		padding:0;
    }
	.download-pic img {
		max-width:100%;
	}
	.download-features {
		display:flex;
		flex-direction: column;
		padding: 15px 30px;
	}

    .footer-links-container {
        flex-wrap: wrap;
        gap: 40px;
    }
    
    .language-toggle-btn {
        display: block;
    }
    
    .language-buttons {
        max-height: 100px;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .language-buttons.expanded {
        max-height: none;
    }
	.custom-format-options {
		padding:15px;
	}
	.scenario-image {
		width:300px;
		height:300px;
	}
	.scenario-item {
		gap:30px;
	}
	.footer-links-container {
		display:none;
	}
	.footer {
		padding:30px 0 20px 0;
	}
	.footer-language-section {
		margin-bottom: 20px;
    padding-bottom: 20px;
	}
	.footer-main {
		margin-bottom:20px;
	}
	.footer-bottom {
		padding-top: 20px;
	}
	.back-to-top {
		right:10px;
	}
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
		line-height: 1.8;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .doc-preview {
        width: 160px;
    }

    .footer-links-container {
        flex-direction: column;
        gap: 30px;
    }
}