/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #F56C28;
    --primary-dark: #D95A1F;
    --primary-light: #FFF4EB;
    --secondary-color: #FF8C42;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --bg-light: #ffffff;
    --bg-dark: #f8f9fa;
    --bg-darker: #e8eaed;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

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

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

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

.logo-image {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
}

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

.cta-button,
a.cta-button,
.primary-button,
a.primary-button,
.secondary-button,
a.secondary-button {
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Hero 区域 */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #F56C28 0%, #FF8C42 50%, #FFAA5B 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.hero-text .subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
}

.hero-text .description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.highlight-box {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.2rem 1.5rem;
    border-radius: 12px;
    margin-bottom: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.highlight-icon {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon svg {
    width: 20px;
    height: 20px;
}

.highlight-text {
    flex: 1;
}

.highlight-text strong {
    display: block;
    color: white;
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.highlight-text span {
    display: block;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.primary-button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.secondary-button {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.platform-logos {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.platform-card {
    background: white;
    padding: 1.2rem;
    border-radius: 12px;
    border: 1px solid rgba(245, 108, 40, 0.15);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.platform-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 0.8rem;
}

.platform-info h3 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.platform-info p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.4;
    margin: 0;
}

.platform-card:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(245, 108, 40, 0.25);
    border-color: var(--primary-color);
}

/* 功能展示区域 */
.features {
    padding: 80px 0;
    background: var(--bg-dark);
}

/* 价格方案 */
.pricing {
    padding: 80px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.price-card {
    background: white;
    border: 2px solid var(--bg-darker);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.price-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.price-card.recommended {
    border-color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(245, 108, 40, 0.2);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.price-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.price {
    margin-bottom: 1rem;
}

.original-price {
    display: block;
    font-size: 1rem;
    color: var(--text-secondary);
    text-decoration: line-through;
    margin-bottom: 0.5rem;
}

.current-price {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.current-price .period {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.price-note {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.price-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.price-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.price-button.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 4px 16px rgba(245, 108, 40, 0.3);
}

/* 会员权益 */
.benefits {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF4EB 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--bg-darker);
}

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

.benefit-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.benefit-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.benefit-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.benefit-card > p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.benefit-detail {
    background: #E0F0F8;
    border-radius: 12px;
    padding: 1.2rem;
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.detail-icon {
    font-size: 1.2rem;
}

.detail-header span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.detail-item {
    display: flex;
    font-size: 0.85rem;
    line-height: 1.5;
}

.detail-label {
    flex-shrink: 0;
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

.detail-value {
    color: var(--text-primary);
}

.benefit-tags {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.tag-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--primary-light);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    transition: var(--transition);
}

.tag-item:hover {
    background: var(--primary-color);
    transform: translateX(5px);
}

.tag-item:hover .tag-title,
.tag-item:hover .tag-desc {
    color: white;
}

.tag-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.tag-title {
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
}

.tag-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.benefit-image {
    position: relative;
}

.translate-demo {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.translate-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.translate-tag {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--bg-darker);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.feature-icon i {
    font-size: 28px;
    color: var(--primary-color);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary-color);
    transform: scale(1.1);
}

.feature-card:hover .feature-icon i {
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.about-text > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.advantage-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.advantage-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    flex-shrink: 0;
    line-height: 1;
}

.advantage-content h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.advantage-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.platform-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 3rem;
    border-radius: 20px;
    color: white;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFF4EB 0%, #FFE8D6 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.contact-info h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info > p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-info > p:last-of-type {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
    color: var(--text-primary);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-wrapper {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(245, 108, 40, 0.15);
    text-align: center;
}

.qr-code {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.qr-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.qr-tips {
    margin-top: 1rem;
    text-align: center;
}

.qr-tips p {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0.5rem 0;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-tips p:first-child {
    color: #FF4757;
    font-weight: 700;
}

.qr-tips p:last-child {
    color: var(--primary-color);
    font-weight: 600;
}

/* 页脚 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
}

.footer-section h3 {
    font-size: 1.5rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    opacity: 0.9;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 968px) {
    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .hero-text h1 {
        font-size: 3rem;
    }
}

@media (max-width: 640px) {
    .nav-menu {
        display: none;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .highlight-box {
        padding: 1rem;
    }

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

    .highlight-icon svg {
        width: 16px;
        height: 16px;
    }

    .highlight-text strong {
        font-size: 0.95rem;
    }

    .highlight-text span {
        font-size: 0.85rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .platform-stats {
        grid-template-columns: 1fr;
    }

    .platform-logos {
        grid-template-columns: 1fr;
    }

    .platform-card {
        padding: 1.2rem;
    }

    .platform-card img {
        width: 60px;
        height: 60px;
    }

    .platform-info h3 {
        font-size: 1rem;
    }

    .platform-info p {
        font-size: 0.8rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .qr-wrapper {
        padding: 1.2rem;
    }

    .qr-code {
        width: 180px;
        height: 180px;
    }

    .logo {
        gap: 8px;
    }

    .logo-image {
        height: 40px;
    }
}

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

.hero-text,
.feature-card,
.advantage-item {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }
.feature-card:nth-child(7) { animation-delay: 0.7s; }
.feature-card:nth-child(8) { animation-delay: 0.8s; }
.feature-card:nth-child(9) { animation-delay: 0.9s; }