/* 语言切换按钮样式 */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    gap: 5px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.lang-btn {
    padding: 8px 15px;
    border: none;
    background: transparent;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
}

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

.lang-btn:hover:not(.active) {
    background: rgba(102, 126, 234, 0.1);
}

/* 隐藏非当前语言的内容 */
.lang-content {
    display: none;
}

.lang-content.active {
    display: block;
}

.lang-content.active.inline {
    display: inline;
}

.lang-content.active.flex {
    display: flex;
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --secondary-gradient: linear-gradient(135deg, #4ecdc4 0%, #44e6d8 100%);
    --accent-color: #ffe66d;
    --text-dark: #2c3e50;
    --text-light: #666;
    --white: #ffffff;
    --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 15px 35px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.2);
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body {
    font-family: 'Arial', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    transform: translateY(-100%);
}

.navbar.visible {
    transform: translateY(0);
}

.navbar .elementor-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-lang-switcher {
    display: flex;
    gap: 5px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 20px;
    padding: 3px;
}

.navbar-lang-btn {
    padding: 5px 12px;
    border: none;
    background: transparent;
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-dark);
}

.navbar-lang-btn.active {
    background: var(--primary-gradient);
    color: white;
}

.navbar-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.navbar-menu a:hover {
    color: #667eea;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.navbar-menu a:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* 容器样式 */
.elementor-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.elementor-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.elementor-column {
    padding: 0 10px;
}

.elementor-col-25 {
    flex: 0 0 25%;
    max-width: 25%;
}

.elementor-col-33 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.elementor-col-50 {
    flex: 0 0 50%;
    max-width: 50%;
}

.elementor-col-66 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
}

.elementor-col-75 {
    flex: 0 0 75%;
    max-width: 75%;
}

.elementor-col-100 {
    flex: 0 0 100%;
    max-width: 100%;
}

/* Section样式 */
.elementor-section {
    position: relative;
    padding: 80px 0;
}

/* Hero Section */
.hero-section {
    background: var(--primary-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><circle cx="200" cy="200" r="100" fill="rgba(255,255,255,0.1)"/><circle cx="800" cy="300" r="150" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 500px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.stat-item {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

/* CTA按钮 */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* 特色功能区 */
.features-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--secondary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(10deg);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* 收益展示区 */
.earnings-section {
    background: var(--primary-gradient);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.earnings-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: sparkle 30s linear infinite;
}

@keyframes sparkle {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(-50px) translateY(-50px);
    }
}

.earnings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.earnings-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    transition: var(--transition);
}

.earnings-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.earnings-amount {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.earnings-period {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.earnings-description {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.6;
}

/* 申请流程 */
.process-section {
    padding: 100px 0;
    background: white;
}

.process-timeline {
    position: relative;
    margin-top: 4rem;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.process-step {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.process-step:nth-child(even) .process-content {
    text-align: right;
}

.process-number {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    box-shadow: 0 0 0 8px white;
}

.process-content {
    flex: 1;
    padding: 0 3rem;
    max-width: 45%;
}

.process-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.process-description {
    color: var(--text-light);
    line-height: 1.8;
}

/* 行动号召区 */
.contact-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 100px 0;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 2rem;
    text-align: center;
}

.footer-content {
    margin-bottom: 2rem;
}

.footer-logo {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    max-width: 500px;
    margin: 0 auto 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    opacity: 0.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    .navbar-menu {
        display: none;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .elementor-col-25,
    .elementor-col-33,
    .elementor-col-50,
    .elementor-col-66,
    .elementor-col-75 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 2rem;
    }
    .process-timeline::before {
        left: 30px;
    }
    .process-step {
        flex-direction: row !important;
        padding-left: 80px;
    }
    .process-step:nth-child(even) .process-content {
        text-align: left;
    }
    .process-number {
        left: 30px;
        transform: translateX(-50%);
    }
    .process-content {
        max-width: 100%;
        padding: 0;
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 加载动画 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}