:root {
    --primary-color: #0071e3;
    --text-color: #1d1d1f;
    --secondary-text: #86868b;
    --background: #fbfbfd;
    --section-bg: #f5f5f7;
    --gradient-primary: linear-gradient(135deg, #0071e3 0%, #40a9ff 100%);
    --gradient-hover: linear-gradient(135deg, #0077ED 0%, #47b3ff 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

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

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.47059;
    color: var(--text-color);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
}

header {
    position: fixed;
    width: 100%;
    background: rgba(251, 251, 253, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    z-index: 1000;
}

nav {
    max-width: 980px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav ul {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    height: 100%;
}

nav ul li {
    list-style: none;
    display: flex;
    align-items: center;
    height: 100%;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.8rem;
    opacity: 0.8;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    height: 100%;
}

.nav-button {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.8rem;
    border-radius: 980px;
    opacity: 1;
}

.hero {
    padding: 120px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 980px;
    margin: 0 auto;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: block;
}

h1 {
    font-size: 4rem;
    line-height: 1.05;
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: 1rem;
}

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

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    margin-top: 3rem;
}

.store-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(0, 113, 227, 0.3);
    font-weight: 500;
}

.store-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0, 113, 227, 0.4);
    background: var(--gradient-hover);
}

.store-button:active {
    transform: translateY(1px);
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.3);
}

.store-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}

.store-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.store-text small {
    font-size: 0.75rem;
    opacity: 0.9;
}

/* 响应式调整 */
@media (max-width: 767px) {
    .hero-buttons {
        flex-direction: row; /* 保持水平布局 */
        justify-content: center;
        gap: 1rem;
        margin-top: 2rem;
    }

    .store-button {
        padding: 0.8rem 1.6rem;
        font-size: 0.9rem;
    }

    .store-icon {
        width: 20px;
        height: 20px;
    }

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

@media (max-width: 480px) {
    .store-button {
        padding: 0.7rem 1.4rem;
        font-size: 0.85rem;
    }
}

.primary-button {
    background: var(--gradient-primary);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 980px;
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-sm);
    transform: translateY(0);
}

.primary-button:hover {
    background: var(--gradient-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.text-button {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 4px;
}

.button-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.text-button:hover .button-line {
    width: 100%;
}

.section-intro {
    text-align: center;
    margin-bottom: 4rem;
}

.overline {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.features {
    padding: 100px 0;
    background: var(--section-bg);
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 1rem;
}

.feature-card {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    padding: 2rem;
    border-radius: 18px;
    text-align: left;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin: 1rem 0;
}

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

.feature-icon-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: white;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    transform: rotate(10deg);
    box-shadow: 0 8px 16px rgba(0, 113, 227, 0.2);
}

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

/* 添加图标背景光效 */
.feature-icon-wrapper::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(255, 255, 255, 0.2) 0%,
        rgba(255, 255, 255, 0) 60%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper::after {
    opacity: 1;
}

.card-hover-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 80%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.feature-card:hover .card-hover-effect {
    opacity: 1;
}

/* Logo 动画效果 */
.logo-animation {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 0;
}

.logo-icon {
    display: block;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 6px;
    transform: rotate(45deg);
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover .logo-icon {
    transform: rotate(225deg);
}

/* 渐变文字效果 */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

/* 漂浮的模型效果 */
.floating-mockup {
    position: relative;
    width: 100%;
    max-width: 300px;
    perspective: 1000px;
}

.main-mockup {
    width: 100%;
    height: auto;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    transform: rotateY(-10deg);
    transition: transform 0.5s ease;
}

.main-mockup:hover {
    transform: rotateY(0deg);
}

.floating-element {
    position: absolute;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    background: white;
    transition: transform 0.3s ease;
}

.element-1 {
    width: 200px;
    top: -40px;
    right: -60px;
    animation: float 6s ease-in-out infinite;
    transform: rotate(10deg);
}

.element-2 {
    width: 180px;
    bottom: -30px;
    left: -40px;
    animation: float 6s ease-in-out infinite 1s;
    transform: rotate(-5deg);
}

.floating-element:hover {
    transform: scale(1.05) rotate(0deg);
    z-index: 1;
}

.mockup-shadow {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    height: 20px;
    background: radial-gradient(ellipse at center, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0) 80%);
    animation: shadow 6s ease-in-out infinite;
    z-index: -1;
}

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

@keyframes shadow {
    0%, 100% { transform: translateX(-50%) scale(1); opacity: 1; }
    50% { transform: translateX(-50%) scale(0.8); opacity: 0.8; }
}

/* 响应式优化 */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .hero {
        flex-direction: column;
        padding: 100px 1rem 60px;
        text-align: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .store-button {
        justify-content: center;
        text-align: center;
        padding: 1.2rem;
    }
    
    .store-text {
        align-items: center;
    }
    
    nav {
        padding: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .floating-mockup {
        margin-top: 40px;
        transform: scale(0.8);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        padding: 0 2rem;
    }
    
    .floating-element {
        width: 140px;
    }
    
    .element-1 {
        top: -20px;
        right: -30px;
    }
    
    .element-2 {
        bottom: -20px;
        left: -30px;
    }
}

/* 添加平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 添加选择文本的样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Showcase 部分样式 */
.showcase {
    background: var(--background);
    overflow: hidden;
}

.showcase-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.showcase-content {
    flex: 1;
}

.showcase-content h2 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.showcase-content p {
    font-size: 1.2rem;
    color: var(--secondary-text);
    margin-bottom: 2rem;
    max-width: 500px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.check-icon {
    width: 24px;
    height: 24px;
    fill: var(--primary-color);
}

.device-mockup {
    position: relative;
    perspective: 1000px;
}

.interface-dark,
.interface-light {
    position: absolute;
    width: 100%;
    height: auto;
    transition: transform 0.6s ease;
}

.interface-dark {
    transform: rotateY(0deg);
}

.interface-light {
    transform: rotateY(180deg);
    opacity: 0;
}

.device-mockup:hover .interface-dark {
    transform: rotateY(180deg);
    opacity: 0;
}

.device-mockup:hover .interface-light {
    transform: rotateY(0deg);
    opacity: 1;
}

.floating-badges {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    z-index: 1;
}

.badge {
    background: rgba(255, 255, 255, 0.9);
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.badge:hover {
    transform: translateX(-5px);
    background: white;
    box-shadow: var(--shadow-lg);
}

.badge-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.badge span {
    color: var(--text-color);
    font-weight: 500;
    white-space: nowrap;
}

/* 添加浮动动画 */
.badge:nth-child(1) {
    animation: float 6s ease-in-out infinite;
}

.badge:nth-child(2) {
    animation: float 6s ease-in-out infinite 0.2s;
}

.badge:nth-child(3) {
    animation: float 6s ease-in-out infinite 0.4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 响应式调整 */
@media (max-width: 991px) {
    .floating-badges {
        position: static;
        flex-direction: row;
        justify-content: center;
        transform: none;
        margin-top: 2rem;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .badge {
        transform: scale(0.9);
    }

    .badge:hover {
        transform: scale(0.95);
    }
}

@media (max-width: 575px) {
    nav {
        flex-direction: row;
        padding: 0.5rem 1rem;
        gap: 0;
        height: 50px;
        max-width: 100%;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        font-size: 1.1rem;
        flex-shrink: 0;
        height: 100%;
        display: flex;
        align-items: center;
    }

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

    nav ul {
        height: 100%;
        gap: 0.8rem;
        display: flex;
        align-items: center;
        margin: 0;
        padding: 0;
    }

    nav ul li {
        height: 100%;
        display: flex;
        align-items: center;
    }

    nav ul li a {
        font-size: 0.7rem;
        white-space: nowrap;
        padding: 0.3rem 0.6rem;
        height: auto;
        display: flex;
        align-items: center;
    }

    .nav-button {
        padding: 0.3rem 0.8rem;
        font-size: 0.7rem;
        border-radius: 15px;
    }

    .floating-badges {
        gap: 0.5rem;
    }

    .badge {
        padding: 0.6rem 1rem;
        transform: scale(0.8);
    }

    .badge-icon {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 360px) {
    nav {
        padding: 0.5rem;
    }

    nav ul {
        gap: 0.6rem;
    }

    .logo {
        font-size: 0.9rem;
    }

    nav ul li a {
        font-size: 0.65rem;
        padding: 0.25rem 0.5rem;
    }

    .nav-button {
        padding: 0.25rem 0.6rem;
    }
}

/* About 部分样式 */
.about {
    padding: 120px 0;
    background: var(--section-bg);
    position: relative;
    overflow: hidden;
}

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

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

.about-card {
    background: white;
    padding: 2.5rem;
    border-radius: 24px;
    position: relative;
    transition: all 0.3s ease;
}

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

.about-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.1;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* About 背景图案 */
.about-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/patterns/grid.svg');
    opacity: 0.05;
    pointer-events: none;
}

/* Footer 部分样式 */
.footer {
    background: var(--section-bg);
    padding: 80px 0 40px;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand p {
    margin-top: 1rem;
    color: var(--secondary-text);
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

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

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

.footer-column ul li a,
.footer-column ul li {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.company-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.company-link,
.beian-link {
    color: var(--secondary-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.company-link:hover,
.beian-link:hover {
    color: var(--primary-color);
}

.divider {
    color: var(--secondary-text);
    opacity: 0.5;
}

/* 响应式调整 */
@media (max-width: 767px) {
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .company-info {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* 添加响应式容器 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 大屏幕 (1200px 以上) */
@media (min-width: 1200px) {
    .hero {
        padding: 120px 0;
    }

    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }

    .showcase-container {
        gap: 4rem;
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (max-width: 1199px) {
    h1 {
        font-size: 3.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .showcase-container {
        gap: 3rem;
    }

    .floating-element {
        width: 160px;
    }
}

/* 平板 (768px - 991px) */
@media (max-width: 991px) {
    h1 {
        font-size: 3rem;
    }

    .hero {
        padding: 100px 0;
    }

    .hero-content, .showcase-content {
        text-align: center;
    }

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

    .floating-mockup {
        margin-top: 3rem;
        transform: scale(0.9);
    }

    .showcase-container {
        flex-direction: column;
        text-align: center;
    }

    .feature-list {
        display: inline-block;
        text-align: left;
    }

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

    .floating-badges {
        position: static;
        flex-direction: row;
        justify-content: center;
        transform: none;
        margin-top: 2rem;
        flex-wrap: wrap;
    }

    .badge {
        transform: scale(0.9);
    }
}

/* 手机 (576px - 767px) */
@media (max-width: 767px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero {
        padding: 80px 0;
    }

    nav {
        padding: 1rem;
    }

    nav ul {
        gap: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .store-button {
        width: 100%;
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .floating-element {
        display: none;
    }

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

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

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

/* 小手机 (575px 以下) */
@media (max-width: 575px) {
    h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    nav {
        gap: 1rem;
    }

    .nav-button {
        width: 100%;
        text-align: center;
    }

    .floating-mockup {
        transform: scale(0.8);
    }

    .feature-card {
        padding: 1.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .floating-badges {
        gap: 0.5rem;
    }

    .badge {
        padding: 0.6rem 1rem;
        transform: scale(0.8);
    }

    .badge-icon {
        width: 18px;
        height: 18px;
    }
}

/* 优化图片响应式 */
img {
    max-width: 100%;
    height: auto;
}

/* 优化动画效果 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* 优化触摸设备 */
@media (hover: none) {
    .store-button:hover,
    .feature-card:hover,
    .floating-element:hover {
        transform: none;
    }
}

/* showcase-image 样式 */
.showcase-image {
    position: relative;
    flex: 1;
    min-width: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.showcase-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.showcase-image img:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

/* 添加背景装饰 */
.showcase-image::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 10%;
    width: 200px;
    height: 200px;
    background: var(--gradient-primary);
    filter: blur(80px);
    opacity: 0.2;
    z-index: -1;
}

/* 响应式调整 */
@media (max-width: 991px) {
    .showcase-image {
        padding: 1rem;
    }

    .showcase-image img {
        max-width: 500px;
    }
}

@media (max-width: 767px) {
    .showcase-image {
        padding: 0;
    }

    .showcase-image img {
        max-width: 100%;
        border-radius: 16px;
    }
}

/* App Showcase 样式 */
.app-showcase {
    padding: 100px 0;
    background: var(--background);
    overflow: hidden;
}

.showcase-grid {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
    justify-content: flex-start;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    padding-bottom: 1rem;
}

/* 隐藏滚动条但保持滚动功能 */
.showcase-grid::-webkit-scrollbar {
    display: none;
}

.showcase-item {
    flex: 0 0 auto;
    width: 200px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    scroll-snap-align: start;
}

.showcase-item img {
    width: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    border-radius: 12px;
}

.showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.8) 0%,
        rgba(0, 0, 0, 0) 100%);
    padding: 2rem;
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.showcase-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.showcase-overlay p {
    font-size: 1rem;
    opacity: 0.8;
}

/* 悬停效果 */
.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.showcase-item:hover img {
    transform: scale(1.05);
}

.showcase-item:hover .showcase-overlay {
    opacity: 1;
    transform: translateY(0);
}

/* 更新响应式布局 */
@media (max-width: 991px) {
    .showcase-item {
        width: 180px;
    }
    
    .showcase-item img {
        height: auto;
        aspect-ratio: 9/19;
    }
}

@media (max-width: 767px) {
    .showcase-item {
        width: 160px;
        border-radius: 8px;
    }
    
    .showcase-item img {
        border-radius: 8px;
    }
    
    .showcase-overlay {
        padding: 1rem;
        opacity: 1;
        transform: translateY(0);
        background: linear-gradient(to top, 
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0) 100%);
    }
    
    .showcase-overlay h3 {
        font-size: 1.2rem;
    }
    
    .showcase-overlay p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .showcase-item {
        width: 140px;
    }
    
    .section-intro h2 {
        font-size: 2rem;
    }
    
    .section-intro p {
        font-size: 1rem;
    }
}