/* 全局样式 */
:root {
    --primary-color: #22808D;
    --secondary-color: #1c6b76;
    --light-color: #F3F3EE;
    --gray-color: #E7E8E2;
    --dark-color: #333;
    --text-color: #444;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    
    /* OnDoku 黄色主题 */
    --ondoku-primary: #FDBC23;
    --ondoku-secondary: #FFC107;
    --ondoku-light: #FFFDE7;
    --ondoku-accent: #FDBC23;
    --ondoku-dark: #FDBC23;
}

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

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 15px;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
}

p {
    margin-bottom: 15px;
}

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

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: var(--box-shadow);
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(0, 0, 0, 0.2);
    color: white;
}

/* 头部导航样式 */
header {
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.95);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.app-logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 8px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin: 0;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.dropdown-toggle i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin: 0;
    border: 1px solid var(--gray-color);
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 0;
}

.dropdown-menu li a:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
    padding-left: 25px;
}

.dropdown-menu li:first-child a {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.dropdown-menu li:last-child a {
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* 英雄区样式 */
.hero {
    padding: 100px 0 120px;
    background: linear-gradient(135deg, var(--light-color) 0%, var(--gray-color) 100%);
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 128, 141, 0.05) 0%, rgba(34, 128, 141, 0.1) 100%);
    top: -200px;
    right: -200px;
    z-index: 1;
}

.hero:after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(34, 128, 141, 0.05) 0%, rgba(34, 128, 141, 0.1) 100%);
    bottom: -150px;
    left: -150px;
    z-index: 1;
}

.hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    padding-right: 60px;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--dark-color);
    margin-bottom: 25px;
    line-height: 1.2;
    position: relative;
}

.hero-content h1:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: #555;
    line-height: 1.7;
}

.hero-content .btn {
    padding: 15px 35px;
    font-size: 1.1rem;
    border-radius: 30px;
    box-shadow: 0 10px 25px rgba(34, 128, 141, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-content .btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background-color: var(--secondary-color);
    transition: all 0.5s ease;
    z-index: -1;
}

.hero-content .btn:hover:before {
    width: 100%;
}

.hero-content .btn:hover {
    box-shadow: 0 15px 30px rgba(34, 128, 141, 0.4);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.hero-image:before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border-radius: 12px;
    background-color: rgba(34, 128, 141, 0.1);
    z-index: -1;
}

.hero-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.5s ease;
    transform: rotate(-2deg);
}

.hero-image:hover img {
    transform: rotate(0) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

/* 功能区样式 */
.features {
    padding: 100px 0;
    background-color: white;
}

.features h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 60px;
}

.features h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    text-align: center;
    border-bottom: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--light-color);
    transition: all 0.4s ease;
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-bottom: 3px solid var(--primary-color);
}

.feature-card:hover:before {
    height: 100%;
}

.feature-icon {
    background-color: var(--light-color);
    color: var(--primary-color);
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
    transition: all 0.4s ease;
    position: relative;
}

.feature-card:hover .feature-icon {
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    transform: rotate(10deg);
}

.feature-icon i {
    font-size: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon i {
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
    transition: all 0.3s ease;
}

.feature-card:hover h3 {
    color: var(--primary-color);
}

.feature-card p {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* 应用截图区域 */
.app-screenshots {
    padding: 120px 0;
    background-color: var(--light-color);
    position: relative;
}

.app-screenshots:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(34, 128, 141, 0.05) 0%, rgba(231, 232, 226, 0.1) 100%);
}

.app-screenshots h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 60px;
}

.app-screenshots h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.screenshot-slider {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
    overflow-x: auto;
    padding-bottom: 50px;
    -ms-overflow-style: none; /* IE and Edge */
    scrollbar-width: none; /* Firefox */
}

.screenshot-slider::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.screenshot {
    flex: 0 0 auto;
    width: 280px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.5s ease;
    transform: translateY(0);
}

.screenshot:nth-child(2) {
    transform: translateY(-30px);
}

.screenshot:hover {
    transform: translateY(-20px) scale(1.05);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.screenshot:nth-child(2):hover {
    transform: translateY(-50px) scale(1.05);
}

.screenshot img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    transition: all 0.5s ease;
    display: block;
}

.screenshot:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: linear-gradient(to top, rgba(34, 128, 141, 0.7), transparent);
    opacity: 0;
    transition: all 0.5s ease;
    border-radius: 20px;
}

.screenshot:hover:after {
    height: 30%;
    opacity: 1;
}

/* 应用概览区域 */
.apps-overview {
    padding: 80px 0 40px;
    text-align: center;
    background: linear-gradient(135deg, var(--light-color) 0%, var(--gray-color) 100%);
}

.apps-overview h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.apps-overview p {
    font-size: 1.3rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 应用介绍区域 */
.app-section {
    padding: 100px 0;
    position: relative;
}

.linellae-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.ondoku-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

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

.app-content.reverse {
    flex-direction: row-reverse;
}

.app-info {
    flex: 1;
    max-width: 600px;
}

.app-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
}

.app-logo-large {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.app-title h2 {
    font-size: 2.5rem;
    margin: 0 0 10px 0;
    color: var(--dark-color);
    text-align: left;
}

.app-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 500;
    margin: 0;
}

/* OnDoku 特定样式 */
.ondoku-section .app-subtitle {
    color: var(--ondoku-primary);
}

.ondoku-section .feature-list i {
    color: var(--ondoku-accent);
}


.app-description p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #555;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--text-color);
}

.feature-list i {
    color: var(--primary-color);
    margin-right: 15px;
    width: 20px;
    font-size: 1.2rem;
}

.app-preview {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-preview img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.5s ease;
}

.app-preview img:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

/* Linellae特殊预览样式 */
.linellae-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    position: relative;
    box-shadow: 0 15px 35px rgba(34, 128, 141, 0.3);
    transition: all 0.5s ease;
}

.linellae-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 45px rgba(34, 128, 141, 0.4);
}

.linellae-preview::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    z-index: -1;
    opacity: 0.2;
    transition: all 0.5s ease;
}

.linellae-preview:hover::before {
    opacity: 0.3;
    transform: scale(1.1);
}

.linellae-icon-preview {
    width: 200px !important;
    height: 200px !important;
    border-radius: 40px !important;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2) !important;
}

/* OnDoku特殊预览样式 */
.ondoku-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--ondoku-primary), var(--ondoku-secondary));
    border-radius: 50%;
    position: relative;
    box-shadow: 0 15px 35px rgba(255, 193, 7, 0.3);
    transition: all 0.5s ease;
}

.ondoku-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 45px rgba(255, 193, 7, 0.4);
}

.ondoku-preview::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: linear-gradient(135deg, var(--ondoku-accent), var(--ondoku-dark));
    border-radius: 50%;
    z-index: -1;
    opacity: 0.2;
    transition: all 0.5s ease;
}

.ondoku-preview:hover::before {
    opacity: 0.3;
    transform: scale(1.1);
}

.ondoku-icon-preview {
    width: 200px !important;
    height: 200px !important;
    border-radius: 40px !important;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2) !important;
}

/* 即将上线标识 */
.coming-soon {
    margin: 30px 0;
    padding: 20px;
    background: linear-gradient(135deg, #e8f5e8, #f0f8f0);
    border-radius: var(--border-radius);
    border-left: 4px solid #4caf50;
}


.coming-soon-badge {
    display: inline-block;
    background: linear-gradient(135deg, #4caf50, #45a049);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}


.coming-soon p {
    margin: 10px 0 0 0;
    color: #2e7d32;
    font-weight: 500;
}

/* OnDoku 即将上线按钮样式 */
.ondoku-section .coming-soon {
    background: #000000;
    color: white;
    border: none;
    border-radius: 25px;
    padding: 12px 24px;
    margin: 30px 0;
    display: inline-block;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.ondoku-section .coming-soon:hover {
    background: #333333;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

.ondoku-section .coming-soon-badge {
    background: transparent;
    color: white;
    padding: 0;
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 0;
}

.ondoku-section .coming-soon p {
    color: white;
    margin: 0;
    font-weight: 600;
}


.privacy-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.privacy-link:hover {
    border-bottom-color: var(--primary-color);
}


/* 英雄区域按钮样式 */
.hero-buttons {
    display: flex;
    gap: 20px;
    margin-top: 40px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 应用图标样式 */
.app-icons {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: center;
}

.app-icon {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    transition: all 0.5s ease;
}

.app-icon:hover {
    transform: translateY(-10px) scale(1.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* 下载区域保持原样但更新样式 */
.download {
    padding: 120px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--gray-color) 0%, var(--light-color) 100%);
    position: relative;
    overflow: hidden;
}

.download:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(34, 128, 141, 0.03) 0%, transparent 60%);
    z-index: 1;
}

.download .container {
    position: relative;
    z-index: 2;
}

.download h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
    font-size: 2.5rem;
    color: var(--dark-color);
}

.download h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.download p {
    font-size: 1.3rem;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: #555;
}

.app-store-btn {
    display: inline-block;
    transition: all 0.5s ease;
    position: relative;
}

.app-store-btn:before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.5s ease;
    opacity: 0;
}

.app-store-btn:hover:before {
    width: 80%;
    opacity: 1;
}

.app-store-btn img {
    height: 60px;
    transition: all 0.5s ease;
}

.app-store-btn:hover img {
    transform: scale(1.08) translateY(-5px);
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
}

/* 页脚样式 */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 30px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo h3 {
    font-size: 1.8rem;
    color: white;
}

.footer-links h4, .footer-contact h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-links ul li a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}

.footer-bottom p {
    margin-bottom: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: white;
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: 20px;
}

.social-icons a {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.4rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    color: white;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
        margin-bottom: 60px;
    }
    
    .hero-content h1:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hero-image {
        justify-content: center;
        max-width: 80%;
        margin: 0 auto;
    }
    
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 250px;
        text-align: center;
    }
    
    .app-icons {
        gap: 30px;
    }
    
    .app-icon {
        width: 100px;
        height: 100px;
    }
    
    .app-content {
        flex-direction: column;
        gap: 50px;
        text-align: center;
    }
    
    .app-content.reverse {
        flex-direction: column;
    }
    
    .app-header {
        justify-content: center;
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .app-title h2 {
        text-align: center;
        font-size: 2.2rem;
    }
    
    .linellae-preview {
        width: 250px;
        height: 250px;
    }
    
    .linellae-icon-preview {
        width: 160px !important;
        height: 160px !important;
    }
    
    .ondoku-preview {
        width: 250px;
        height: 250px;
    }
    
    .ondoku-icon-preview {
        width: 160px !important;
        height: 160px !important;
    }
    
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
    }
    
    .screenshot:nth-child(2) {
        transform: translateY(0);
    }
    
    .screenshot:nth-child(2):hover {
        transform: translateY(-20px) scale(1.05);
    }
}

@media (max-width: 768px) {
    h2 {
        font-size: 1.8rem;
    }
    
    .hero {
        padding: 80px 0 100px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-buttons .btn {
        width: 200px;
        padding: 12px 20px;
        font-size: 1rem;
    }
    
    .app-icons {
        flex-direction: column;
        gap: 20px;
    }
    
    .app-icon {
        width: 80px;
        height: 80px;
    }
    
    .apps-overview, .app-section {
        padding: 60px 0;
    }
    
    .apps-overview h2 {
        font-size: 2rem;
    }
    
    .app-title h2 {
        font-size: 1.8rem;
    }
    
    .app-subtitle {
        font-size: 1rem;
    }
    
    .app-description p {
        font-size: 1.1rem;
    }
    
    .feature-list li {
        font-size: 1rem;
    }
    
    .linellae-preview {
        width: 200px;
        height: 200px;
    }
    
    .linellae-icon-preview {
        width: 120px !important;
        height: 120px !important;
    }
    
    .ondoku-preview {
        width: 200px;
        height: 200px;
    }
    
    .ondoku-icon-preview {
        width: 120px !important;
        height: 120px !important;
    }
    
    
    .features, .app-screenshots, .download {
        padding: 80px 0;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .screenshot-slider {
        flex-direction: column;
        align-items: center;
        gap: 50px;
    }
    
    .screenshot {
        width: 85%;
        max-width: 280px;
    }
    
    .screenshot:hover {
        transform: translateY(-10px) scale(1.03);
    }
    
    .download h2 {
        font-size: 2rem;
    }
    
    .download p {
        font-size: 1.1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .social-icons {
        margin-top: 15px;
        justify-content: center;
    }
    
    header .container {
        flex-direction: column;
        padding: 15px 0;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    nav ul {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    nav ul li {
        margin: 5px 10px;
    }
    
    /* 移动端下拉菜单样式 */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--light-color);
        border-radius: var(--border-radius);
        margin-top: 10px;
        display: none;
    }
    
    .dropdown:hover .dropdown-menu {
        display: block;
    }
    
    .dropdown-menu li a {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
    
    .dropdown-menu li a:hover {
        padding-left: 20px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons .btn {
        width: 180px;
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .app-icon {
        width: 70px;
        height: 70px;
    }
    
    .app-logo-large {
        width: 60px;
        height: 60px;
    }
    
    .app-title h2 {
        font-size: 1.5rem;
    }
    
    .app-subtitle {
        font-size: 0.9rem;
    }
    
    .app-description p {
        font-size: 1rem;
    }
    
    .feature-list li {
        font-size: 0.95rem;
    }
    
    .feature-list i {
        font-size: 1rem;
    }
    
    .linellae-preview {
        width: 180px;
        height: 180px;
    }
    
    .linellae-icon-preview {
        width: 100px !important;
        height: 100px !important;
    }
    
    .ondoku-preview {
        width: 180px;
        height: 180px;
    }
    
    .ondoku-icon-preview {
        width: 100px !important;
        height: 100px !important;
    }
    
    .coming-soon {
        padding: 15px;
    }
    
    .ondoku-section .coming-soon {
        padding: 10px 20px;
        font-size: 0.9rem;
        border-radius: 20px;
    }
    
    .coming-soon-badge {
        font-size: 0.8rem;
        padding: 4px 12px;
    }
    
    .feature-icon {
        width: 70px;
        height: 70px;
    }
    
    .feature-card {
        padding: 25px 15px;
    }
    
    .screenshot {
        width: 90%;
    }
    
    nav ul li {
        margin: 3px 8px;
        font-size: 0.9rem;
    }
    
    /* 小屏幕下拉菜单样式 */
    .dropdown-toggle {
        font-size: 0.9rem;
    }
    
    .dropdown-menu li a {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
}