:root {
    --primary-color: #FF69B4;
    --secondary-color: #1a237e;
    --text-color: #333333;
    --background-color: #ffffff;
    --gradient-primary: linear-gradient(135deg, #FF69B4, #FF1493);
}

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

body {
    font-family: "思源黑体", "PingFang SC", -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 100%;
    width: auto;
    border-radius: 5px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-collaboration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    height: 55px;
    padding: 0.5rem;
    border-radius: 10px;
    transition: transform 0.3s ease;
    max-width: 300px;
}

.logo-collaboration:hover {
    transform: translateY(-2px);
}

.logo-divider {
    display: flex;
    align-items: center;
    padding: 0 0.3rem;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1rem;
    opacity: 0.9;
}

.logo-divider span {
    transform: scale(1.2);
}

.nav-links {
    display: flex;
    gap: 1.2rem;
    align-items: center;
    position: relative;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    position: relative;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
}

.nav-links a:hover {
    background: rgba(255, 105, 180, 0.1);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-links a.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 105, 180, 0.2);
}

.cta-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 50px;
    height: 50px;
    margin-bottom: .5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.demo-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    overflow: hidden;
}

.demo-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.demo-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin: 4rem 0;
}

.demo-step {
    flex: 1;
    max-width: 500px;
}

.demo-image {
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    max-width: 320px;
    margin: 0 auto;
}

.demo-image:hover {
    transform: translateY(-10px);
}

.demo-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    overflow: hidden;
}

.demo-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    border-radius: 0 0 20px 20px;
}

.step-number {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-radius: 50%;
    margin-bottom: 1rem;
    font-weight: bold;
}

.demo-label h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.demo-arrow {
    display: flex;
    align-items: center;
    animation: arrowPulse 1.5s infinite;
}

@keyframes arrowPulse {
    0% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(10px);
    }

    100% {
        transform: translateX(0);
    }
}

.main-footer {
    background: linear-gradient(135deg, #1a237e 0%, #0d1042 100%);
    color: var(--text-color);
    padding: 5rem 2rem 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 2px 20px rgba(0, 0, 0, 0.1);
}

.main-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-section h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    font-weight: 600;
    letter-spacing: 1px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.dev-info {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.dev-info p {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    position: relative;
    padding-left: 1.2rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    transition: transform 0.3s ease;
}

.dev-info p:hover {
    transform: translateX(5px);
}

.dev-info p::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #FF69B4;
    font-weight: bold;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.social-icon {
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.social-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.social-icon i {
    font-size: 1.3rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.social-icon span {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    margin: 3rem -2rem -2rem;
    padding: 2rem;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: rgba(0, 0, 0, 0.08);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    font-weight: 500;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

/* 解决方案部分 */
.solutions-section {
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.solution-icon {
    width: 50px;
    height: 50px;
    margin-bottom: .5rem;
}

.solution-features {
    list-style: none;
    margin-top: 1rem;
}

.solution-features li {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.solution-features li::before {
    content: "✓";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* 数据展示部分 */
.data-section {
    background: #ffffff;
    color: var(--text-color);
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.data-card {
    padding: 2rem;
}

.data-number {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding: 1rem;
}

.data-label {
    font-size: 1.2rem;
    font-weight: 500;
}

/* 联系我们部分 */
.contact-section {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-item i {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--primary-color);
}

.contact-qr .official-account {
    background: white;
    padding: 1.5rem;
    padding-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease;
    width: 100%;
    max-width: 320px;
}

.contact-qr .official-account:hover {
    transform: translateY(-5px);
}

.account-avatar {
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.account-info h3 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.account-slogan {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.account-slogan-sub {
    font-size: 1rem;
    color: var(--primary-color);
    margin-top: 0.3rem;
    font-weight: 500;
    letter-spacing: 1px;
}

/* 动画效果 */
.animate {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 关于我们部分 */
.about-section {
    background: #ffffff;
    padding: 6rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 6rem;
    align-items: center;
}

.timeline {
    position: relative;
    padding: 1rem 0 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
            rgba(255, 105, 180, 0.2),
            rgba(255, 105, 180, 0.8),
            rgba(255, 105, 180, 0.2));
}

.timeline-item {
    position: relative;
    padding-left: 150px;
    margin-bottom: 3rem;
    transition: transform 0.3s ease;
}

.timeline-item:hover {
    transform: translateX(10px);
}

.timeline-date {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    padding: 0.5rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.2);
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(255, 105, 180, 0.1);
}

.timeline-content h4 {
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.timeline-content p {
    color: #666;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    line-height: 1.6;
}

.timeline-item:last-child .timeline-date {
    background: linear-gradient(135deg, #1a237e, #0d1042);
}

.about-item {
    display: block;
    position: relative;
    padding: 1.5rem;
    background: linear-gradient(135deg,
            rgba(255, 105, 180, 0.08) 0%,
            rgba(255, 105, 180, 0.03) 50%,
            transparent 100%);
    border-radius: 12px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 105, 180, 0.05);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.03);
}

.about-item:hover {
    transform: translateX(8px) translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-color: rgba(255, 105, 180, 0.1);
}

.highlight {
    color: var(--secondary-color);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
    font-weight: 600;
    position: relative;
    padding-bottom: 0.5rem;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 2rem;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.about-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
}

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

.about-feature {
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 105, 180, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
}

.about-feature h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
    position: relative;
    display: inline-block;
}

.about-feature h4::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    opacity: 0.5;
}

.about-image {
    position: relative;
    padding: 1rem;
    transform: translateY(-180px);
}

.about-image img {
    width: 100%;
    max-width: 120%;
    margin-left: -10%;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.02);
}

/* 首页部分样式 */
.hero-section {
    padding-top: 100px;
    min-height: 80vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.hero-content {
    padding: 2rem;
    padding-right: 3rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

.hero-image {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.hero-image .phone-frame {
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.hero-image .phone-frame:hover {
    transform: rotate(-5deg) translateY(-10px);
}

.hero-image img {
    width: 100%;
    height: auto;
    max-width: 450px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    object-fit: contain;
}

.hero-image img:hover {
    transform: translateY(-10px);
}

.primary-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 1.8rem;
    font-size: 1.2rem;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    opacity: 0.9;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 180, 0.4);
    opacity: 1;
}

/* 手机边框样式 */
.phone-frame {
    position: relative;
    padding: 12px;
    background: #1a1a1a;
    border-radius: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    max-width: 320px;
    margin: 0 auto;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 24px;
    background: #1a1a1a;
    border-radius: 0 0 20px 20px;
    z-index: 1;
}

.phone-frame::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: #2a2a2a;
    border-radius: 2px;
    z-index: 2;
}

.phone-screen {
    position: relative;
    background: #fff;
    border-radius: 30px;
    overflow: hidden;
    aspect-ratio: 9/19.5;
}

.phone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
    scale: 1.03;
}

.demo-step .phone-frame {
    margin-bottom: 2rem;
}

/* 概念版本提示 */
.hero-description {
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.8;
    opacity: 0.85;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.description-item {
    display: block;
    padding-left: 1.5rem;
    position: relative;
}

.description-item strong {
    color: var(--primary-color);
    font-weight: 600;
    margin-right: 0.5rem;
    font-size: 0.95rem;
}

.description-item::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--primary-color);
    opacity: 0.8;
}

.concept-version-notice {
    background: linear-gradient(to right, rgba(255, 105, 180, 0.08), rgba(255, 105, 180, 0.02));
    border-left: 3px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
    position: relative;
    box-shadow: 0 2px 15px rgba(255, 105, 180, 0.08);
    backdrop-filter: blur(10px);
}

.version-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
    box-shadow: 0 2px 8px rgba(255, 105, 180, 0.3);
    letter-spacing: 0.5px;
}

/* 添加滚动效果 */
.main-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-100%);
    animation: slideDown 0.5s forwards;
}

@keyframes slideDown {
    to {
        transform: translateY(0);
    }
}

.beta-access {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 2rem;
}

.beta-note {
    font-size: 0.9rem;
    color: #666;
    margin-left: 1rem;
    font-style: italic;
    position: relative;
    padding-left: 1.2rem;
}

.beta-note::before {
    content: '!';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-style: normal;
}

.beta-icon {
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    margin-right: 0.2rem;
}

.beta-button {
    cursor: not-allowed;
    position: relative;
    overflow: hidden;
}

.beta-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.1) 50%,
            rgba(255, 255, 255, 0) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.beta-button:hover::after {
    transform: translateX(100%);
}