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

/* 根元素 */
:root {
    --primary-color: #007AFF;
    --primary-rgb: 0, 122, 255;
    --secondary-color: #34C759;
    --accent-color: #FF9500;
    --text-primary: #1D1D1F;
    --text-secondary: #6E6E73;
    --text-light: #FFFFFF;
    --background: #FFFFFF;
    --surface: #F2F2F7;
    --border: #E5E5EA;
    --shadow: rgba(0, 0, 0, 0.1);
    --gradient: linear-gradient(135deg, #007AFF 0%, #34C759 100%);
    --gradient-soft: linear-gradient(135deg, rgba(0, 122, 255, 0.1) 0%, rgba(52, 199, 89, 0.1) 100%);
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

/* 基础样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--background);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 0;
    position: relative;
}

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

/* 桌面端下划线效果 */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(0, 122, 255, 0.1) 0%, rgba(0, 122, 255, 0.05) 100%);
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
}

.language-select {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 8px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 32px;
}

.language-select:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.15);
}

/* 移动端菜单 */
.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--background);
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 英雄区域背景 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 1;
}

.hero-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: var(--gradient-soft);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) scale(1.05);
        opacity: 0.9;
    }
}

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

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* 英雄区域徽章 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-soft);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.hero-badge i {
    color: var(--accent-color);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1.2;
    text-shadow: 1px 1px 0px rgba(0, 0, 0, 0.1);
}

.hero-text h2 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.4;
}

.hero-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient);
    color: var(--text-light);
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

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

.btn-secondary:hover {
    background: var(--background);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow);
}

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
    font-weight: 700;
}

.hero-stats {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 82px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0;
    gap: 4px;
    background: transparent;
    border: none;
    min-width: 60px;
}

.stat-icon {
    display: none;
}

.stat-number {
    font-size: 1.25rem;
    font-weight: 300;
}

.stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* 手机容器和浮动元素 */
.phone-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    position: relative;
    width: 280px;
    height: 560px;
    background: transparent;
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.screenshots-swiper {
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
}

.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
}

.screenshot-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.screenshots-swiper .swiper-pagination {
    bottom: 15px;
    z-index: 10;
}

.screenshots-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transition: var(--transition);
    margin: 0 4px;
}

.screenshots-swiper .swiper-pagination-bullet-active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* 浮动卡片 */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--background);
    padding: 12px 16px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    animation: floatCard 4s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary-color);
    font-size: 16px;
}

.floating-card-1 {
    top: 15%;
    right: -80px;
    animation-delay: 0s;
}

.floating-card-2 {
    top: 50%;
    left: -100px;
    animation-delay: 1.5s;
}

.floating-card-3 {
    bottom: 20%;
    right: -90px;
    animation-delay: 3s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-15px) rotate(1deg);
        opacity: 1;
    }
}

/* 功能特色区域 */
.features-section {
    padding: 100px 0;
    background: var(--surface);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: var(--background);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: 16px;
    color: var(--text-light);
    font-size: 24px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-highlight {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient);
    color: var(--text-light);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

/* 用户评价区域 */
.testimonials-section {
    padding: 100px 0;
    background: var(--background);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--surface);
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
    background: var(--background);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-stars i {
    color: var(--accent-color);
    font-size: 16px;
}

.testimonial-card p {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 24px;
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 20px;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

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

/* CTA区域 */
.cta-section {
    padding: 100px 0;
    background: var(--gradient);
    color: var(--text-light);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.cta-buttons .btn-primary {
    background: var(--background);
    color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.cta-features {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    opacity: 0.9;
}

.cta-feature i {
    color: var(--secondary-color);
    font-size: 16px;
}

/* 页脚 */
.footer {
    background: var(--text-primary);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-light);
}

.footer-logo .logo-img {
    width: 40px;
    height: 40px;
    border: none;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
    align-items: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    min-width: 80px;
    height: auto;
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2);
}

/* 微信联系方式特殊样式 */
.wechat-link {
    align-items: center;
    gap: 8px;
}

.wechat-text {
    font-size: 14px;
    font-weight: 500;
}

/* 邮箱联系方式样式 */
.social-link span {
    font-size: 14px;
    font-weight: 500;
}

/* 微信浏览器提示浮层样式 */
.wechat-browser-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.wechat-browser-overlay.active {
    opacity: 1;
    visibility: visible;
}

.wechat-browser-tip {
    background: var(--background);
    border-radius: 20px;
    padding: 40px 30px;
    max-width: 350px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    transform: scale(0.8) translateY(30px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.wechat-browser-overlay.active .wechat-browser-tip {
    transform: scale(1) translateY(0);
    animation: bubbleFloat 4s ease-in-out infinite 0.5s, pulseGlow 6s ease-in-out infinite 1s;
}

.wechat-browser-tip::before {
    content: '';
    position: absolute;
    top: 20px;
    right: -10px;
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 15px solid var(--background);
}

.wechat-tip-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #007AFF, #34C759);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: white;
    animation: bounce 0.6s ease-out 0.2s;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes bubbleFloat {
    0% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-8px) scale(1.02);
    }
    100% {
        transform: translateY(0) scale(1);
    }
}

@keyframes pulseGlow {
    0% {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 25px 70px rgba(0, 122, 255, 0.2), 0 20px 60px rgba(0, 0, 0, 0.3);
    }
    100% {
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    }
}

.wechat-tip-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    line-height: 1.2;
}

.wechat-tip-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 30px;
}

.wechat-tip-steps {
    text-align: left;
    margin-bottom: 30px;
}

.wechat-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    font-size: 15px;
    color: var(--text-primary);
}

.wechat-step-number {
    background: var(--primary-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    margin-right: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}

.wechat-step-text {
    flex: 1;
    line-height: 1.4;
}

.wechat-tip-button {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.wechat-tip-button:hover {
    background: rgba(0, 122, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.3);
}

.wechat-tip-button:active {
    transform: translateY(0);
}

/* 微信弹窗样式 */
.wechat-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.wechat-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--background);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.wechat-modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--surface);
}

.modal-close i {
    font-size: 16px;
    color: var(--text-secondary);
}

.modal-body {
    padding: 30px 20px;
}

.qr-code-container {
    text-align: center;
}

.qr-code-img {
    width: 200px;
    height: 200px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    margin-bottom: 16px;
}

.qr-code-tip {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
}

.wechat-id-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 16px;
}

.wechat-label {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.wechat-id {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    user-select: all;
}

.copy-btn {
    background: var(--primary-color);
    border: none;
    border-radius: 6px;
    color: white;
    padding: 6px 8px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.copy-btn:hover {
    background: #0056d6;
    transform: translateY(-1px);
}

.copy-btn:active {
    transform: translateY(0);
}

.copy-btn i {
    font-size: 12px;
}

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

/* Footer直接链接样式 - 设置为蓝色 */
.footer-links > a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.footer-links > a:hover {
    color: #0056CC;
    transform: translateY(-1px);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-light);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 8px;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    margin-bottom: 16px;
}

.footer-legal {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

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

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    border: none;
    border-radius: 50%;
    color: var(--text-light);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0, 122, 255, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(10px);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--background);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 0;
        transition: right 0.3s ease;
        z-index: 1000;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    }

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

    .nav-item {
        width: 100%;
        margin-bottom: 24px;
        opacity: 0;
        transform: translateX(30px);
        transition: all 0.3s ease;
    }

    .nav-menu.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu.active .nav-item:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-menu.active .nav-item:nth-child(2) {
        transition-delay: 0.2s;
    }

    .nav-menu.active .nav-item:nth-child(3) {
        transition-delay: 0.3s;
    }

    .nav-menu.active .nav-item:nth-child(4) {
        transition-delay: 0.4s;
    }

    .nav-link {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        padding: 12px 0;
        width: 100%;
        border-radius: 8px;
        transition: all 0.3s ease;
        position: relative;
        display: block;
    }

    .nav-link:hover, .nav-link.active {
        color: var(--primary-color);
        background: var(--gradient-soft);
        padding-left: 16px;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 0;
        height: 20px;
        background: var(--primary-color);
        border-radius: 0 10px 10px 0;
        transition: width 0.3s ease;
    }

    .nav-link:hover::before, .nav-link.active::before {
        width: 4px;
    }

    .nav-link:active {
        transform: scale(0.98);
    }

    .language-selector {
        margin-top: 32px;
        width: 100%;
    }

    .language-select {
        width: 100%;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 8px;
        padding: 12px 16px;
        font-size: 16px;
    }

    .language-select:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
    }

    .nav-toggle {
        display: flex;
        padding: 8px;
        border-radius: 8px;
        transition: var(--transition);
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }

    .nav-toggle:hover {
        background: var(--surface);
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
        transform: translateX(20px);
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .bar {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-toggle.active {
        background: var(--surface);
    }

    /* Hero区域移动端适配 */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text h2 {
        font-size: 1.25rem;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-item {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 8px;
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .stat-number {
        font-size: 1.25rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    /* 手机容器移动端适配 */
    .phone-container {
        order: -1;
    }

    .phone-frame {
        width: 330px;
        height: 610px;
        border-radius: 16px;
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
    }

    .screenshots-swiper {
        border-radius: 16px;
    }

    .screenshot-img {
        border-radius: 16px;
    }

    .floating-card {
        display: none; /* 移动端隐藏浮动卡片 */
    }

    /* 功能特色移动端适配 */
    .features-section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .feature-card {
        padding: 24px;
    }

    /* 用户评价移动端适配 */
    .testimonials-section {
        padding: 60px 0;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .testimonial-card {
        padding: 24px;
    }

    /* CTA区域移动端适配 */
    .cta-section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .cta-features {
        gap: 20px;
    }

    .cta-feature {
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }

    /* 页脚移动端适配 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 30px;
        align-items: center;
    }

    /* 移动端Footer直接链接样式 - 设置为蓝色 */
    .footer-links > a {
        color: var(--primary-color);
        font-weight: 500;
    }

    .footer-links > a:hover {
        color: #0056CC;
    }

    .footer-social {
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .social-link {
        padding: 10px 14px;
        min-width: 70px;
        font-size: 14px;
    }
    
    .social-link span {
        font-size: 13px;
    }

    /* 按钮移动端适配 */
    .btn {
        padding: 16px 24px;
        font-size: 16px;
    }

    .btn-large {
        padding: 18px 32px;
        font-size: 17px;
    }

    /* 返回顶部按钮移动端适配 */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 16px;
    }

    /* 容器移动端适配 */
    .container {
        padding: 0 16px;
    }

    .nav-container {
        padding: 0 16px;
    }

    /* 英雄区域背景移动端适配 */
    .shape-1 {
        width: 200px;
        height: 200px;
        top: 5%;
        right: -50px;
    }

    .shape-2 {
        width: 150px;
        height: 150px;
        bottom: 10%;
        left: -40px;
    }

    .shape-3 {
        width: 100px;
        height: 100px;
        top: 50%;
        right: 20%;
    }

    /* 移动端微信弹窗样式 */
    .modal-content {
        max-width: 320px;
        margin: 20px;
    }
    
    .modal-header {
        padding: 16px;
    }
    
    .modal-body {
        padding: 20px 16px;
    }
    
    .qr-code-img {
        width: 160px;
        height: 160px;
    }
    
    .wechat-id-container {
        flex-direction: column;
        gap: 8px;
        padding: 10px 12px;
    }
    
    .wechat-label, .wechat-id {
        font-size: 14px;
    }
    
    .copy-btn {
        width: 100%;
        height: 36px;
        border-radius: 8px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-text h2 {
        font-size: 1.125rem;
    }

    .hero-text p {
        font-size: 1rem;
    }

    .btn {
        padding: 14px 20px;
        font-size: 15px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: row;
        gap: 14px;
    }

    .features-grid {
        gap: 20px;
    }

    .feature-card {
        padding: 20px;
    }

    .testimonials-grid {
        gap: 20px;
    }

    .testimonial-card {
        padding: 20px;
    }

    .phone-frame {
        /* width: 260px;
        height: 520px; */
        border-radius: 12px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    }

    .screenshots-swiper {
        border-radius: 12px;
    }

    .screenshot-img {
        border-radius: 12px;
    }

    .cta-features {
        flex-direction: column;
        gap: 16px;
    }

    .footer-links {
        gap: 24px;
    }
    
    .footer-social {
        justify-content: center;
        gap: 16px;
    }
    
    .social-link {
        padding: 8px 12px;
        min-width: 60px;
        font-size: 13px;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    /* 小屏幕Footer直接链接样式 - 设置为蓝色 */
    .footer-links > a {
        color: var(--primary-color);
        font-weight: 500;
    }

    .footer-links > a:hover {
        color: #0056CC;
    }
    
    /* 微信浏览器提示移动端样式 */
    .wechat-browser-tip {
        padding: 30px 20px;
        margin: 20px;
        border-radius: 16px;
    }
    
    .wechat-browser-tip::before {
        top: 15px;
        right: -8px;
        border-left: 12px solid var(--background);
        border-top: 12px solid transparent;
        border-bottom: 12px solid transparent;
    }
    
    .wechat-tip-icon {
        width: 60px;
        height: 60px;
        font-size: 30px;
        margin-bottom: 15px;
    }
    
    .wechat-tip-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .wechat-tip-desc {
        font-size: 15px;
        margin-bottom: 25px;
    }
    
    .wechat-step {
        font-size: 14px;
        margin-bottom: 12px;
    }
    
    .wechat-step-number {
        width: 20px;
        height: 20px;
        font-size: 11px;
        margin-right: 10px;
    }
    
    .wechat-tip-button {
        padding: 12px 24px;
        font-size: 15px;
    }
}

/* 动画定义 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 页面加载动画 */
.hero-text,
.hero-image,
.feature-card {
    animation: fadeInUp 0.8s ease forwards;
}

.feature-card:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
    animation-delay: 0.4s;
}

.feature-card:nth-child(4) {
    animation-delay: 0.6s;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

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

/* 性能优化：减少重绘 */
.nav-toggle.active {
    will-change: transform;
}

/* 添加脉冲动画 */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 122, 255, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 122, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 122, 255, 0);
    }
}