/* 全局样式 */
:root {
    --primary: #B9924B;
    --primary-dark: #A17F3F;
    --text: #1D1D1F;
    --text-light: #86868B;
    --bg-light: #F5F5F7;
    --white: #FFFFFF;
    --gradient: linear-gradient(135deg, #B9924B, #D4B36A);
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    --radius: 16px;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    line-height: 1.5;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero区域 */
.hero {
    padding: 160px 0;
    background: linear-gradient(to bottom, #fcfaf7, var(--white));
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-text {
    margin-bottom: 48px;
}

.tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(185, 146, 75, 0.1);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1.5px;
    border-radius: 8px;
    margin-bottom: 24px;
}

h1 {
    font-size: 56px;
    line-height: 1.1;
    margin: 0 0 24px;
    letter-spacing: -0.02em;
}

.hero-text p {
    font-size: 20px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.app-store-button {
    display: inline-block;
    transition: transform 0.2s ease;
}

.app-store-button:hover {
    transform: translateY(-2px);
}

.app-store-button img {
    height: 48px;
    width: auto;
}

.app-metrics {
    margin-top: 40px;
    display: flex;
    gap: 48px;
    justify-content: center;
}

.metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.metric span {
    font-size: 18px;
    font-weight: 600;
}

.metric small {
    font-size: 14px;
    color: var(--text-light);
}

/* 特性区域 */
.features {
    padding: 120px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 40px;
    margin: 0 0 16px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-light);
    margin: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius);
    text-align: center;
    transition: transform 0.2s ease;
}

.feature:hover {
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 24px;
}

.feature h3 {
    font-size: 20px;
    margin: 0 0 12px;
}

.feature p {
    font-size: 15px;
    color: var(--text-light);
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero {
        padding: 100px 20px 60px;
        min-height: auto;
    }

    .hero-content {
        padding: 0;
    }

    h1 {
        font-size: 32px;
        margin-bottom: 16px;
        letter-spacing: -0.01em;
    }

    .hero-text p {
        font-size: 16px;
        padding: 0 16px;
    }

    .tag {
        font-size: 12px;
        padding: 6px 12px;
    }

    .hero-actions {
        gap: 20px;
        padding: 0 16px;
    }

    .app-store-button {
        width: 100%;
        max-width: 200px;
    }

    .app-store-button img {
        width: 100%;
        height: auto;
    }

    .app-metrics {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        padding: 20px;
        background: var(--bg-light);
        border-radius: 12px;
    }

    .metric {
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

    .metric span {
        font-size: 15px;
    }

    .metric small {
        font-size: 13px;
    }

    .features {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 32px;
        padding: 0 24px;
    }

    .section-header h2 {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .section-header p {
        font-size: 15px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 16px;
    }

    .feature {
        padding: 24px 20px;
    }

    .feature-icon {
        font-size: 28px;
        margin-bottom: 12px;
    }

    .feature h3 {
        font-size: 17px;
        margin-bottom: 6px;
    }

    .feature p {
        font-size: 14px;
        line-height: 1.4;
    }

    .nav-container {
        padding: 1rem;
    }

    .logo {
        font-size: 1.4rem;
    }

    footer {
        padding: 1.5rem 1rem;
    }

    .footer-content {
        padding: 0 1rem;
    }
}

/* 小屏幕手机优化 */
@media (max-width: 360px) {
    .hero {
        padding: 80px 16px 40px;
    }

    h1 {
        font-size: 28px;
    }

    .hero-text p {
        font-size: 15px;
    }

    .app-store-button {
        max-width: 180px;
    }

    .metric span {
        font-size: 14px;
    }

    .metric small {
        font-size: 12px;
    }
}

/* 平板设备优化 */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero {
        padding: 120px 40px;
    }

    h1 {
        font-size: 44px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 40px;
    }
}

/* 导航栏样式优化 */
.main-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 600;
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

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

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* 当前页面激活状态 */
.nav-links a.active {
    color: var(--primary);
}

.nav-links a.active::after {
    transform: scaleX(1);
}

/* 移动端导航按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem 1.5rem;
    }

    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        padding: 1rem 0;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .nav-links.show {
        display: flex;
    }

    .nav-links a {
        padding: 0.8rem 2rem;
        width: 100%;
        text-align: center;
    }
}

/* Hero区域 */
.hero {
    min-height: 85vh;
    padding: 140px 40px;
    background: linear-gradient(135deg, #fcfaf7 0%, #ffffff 100%);
    text-align: center;
}

.overline {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 24px;
    display: block;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero h1 span {
    display: block;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.cta-button {
    background: var(--primary);
    color: white;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.cta-note {
    font-size: 0.9rem;
    color: var(--text-light);
}

.trust-badges {
    display: flex;
    gap: 40px;
    margin: 60px auto 0;
    max-width: 500px;
}

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

.badge-icon {
    font-size: 1.5rem;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text strong {
    font-size: 1.1rem;
    color: var(--text);
}

.badge-text span {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 演示窗口样式 */
.demo-window {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 500px;
    margin: 60px auto 0;
}

.demo-header {
    background: #f8f8f8;
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.demo-dots {
    display: flex;
    gap: 6px;
}

.demo-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.demo-content {
    padding: 24px;
}

/* 特性区域样式 */
.section-tag {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 16px;
    display: block;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.features {
    padding: 120px 0;
    background: var(--bg-light);
    text-align: center;
}

.features-grid {
    max-width: 1000px;
    margin: 60px auto 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* 区块通用样式 */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

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

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

/* 特性区域 */
.feature-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.5;
}

/* 用户评价 */
.testimonials {
    padding: 120px 0;
    background: white;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
}

.rating {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.testimonial-card p {
    font-size: 1.1rem;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 20px;
    font-style: italic;
}

.user {
    color: var(--primary);
    font-weight: 500;
}

/* 下载区域 */
.download {
    padding: 120px 0;
    background: var(--bg-light);
    text-align: center;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.store-button {
    display: inline-block;
    margin-top: 40px;
    transition: transform 0.3s ease;
}

.store-button:hover {
    transform: translateY(-2px);
}

/* 更新页脚样式 */
footer {
    padding: 2rem 0;
    background: var(--bg-light);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.footer-content p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    footer {
        padding: 1.5rem 0;
    }

    .footer-content p {
        font-size: 0.85rem;
    }
}

/* 新增和修改的样式 */
.cta-subtitle {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.app-stats {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.card-4 {
    bottom: 40%;
    right: -20%;
    animation-delay: 1.5s;
}

.benefits {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff, var(--bg-light));
}

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

.benefit-item {
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-5px);
}

.benefit-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.5;
}

.testimonials {
    padding: 100px 0;
    background: white;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 20px;
    text-align: center;
}

.rating {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.testimonial-card p {
    font-size: 1.1rem;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-style: italic;
}

.user {
    color: var(--primary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

.highlight {
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

/* App Store下载按钮样式 */
.download-app-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    background: #000000;
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.download-app-button:hover {
    background: #333333;
    transform: translateY(-2px);
}

.apple-logo {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.button-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.small-text {
    font-size: 0.7rem;
    font-weight: 400;
}

.large-text {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .download-app-button {
        bottom: 20px;
        right: 20px;
        padding: 6px 12px;
    }

    .apple-logo {
        width: 20px;
        height: 20px;
    }

    .small-text {
        font-size: 0.65rem;
    }

    .large-text {
        font-size: 1rem;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .download-app-button {
        background: #000000;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .download-app-button:hover {
        background: #333333;
        border: 1px solid rgba(255, 255, 255, 0.3);
    }
}