/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --primary-dark: #00bcd4;
    --accent-color: #00ff88;
    /* 黄色 - 导航栏选中状态 */
    --yellow: #FFD700;
    --yellow-dark: #FFA500;
    --yellow-bright: #FFED4E;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-light: #71717a;
    --bg-dark: #0a0a0a;
    --bg-darker: #000b1d;
    --bg-card: #18181b;
    --bg-card-hover: #27272a;
    --border-color: #27272a;
    --border-light: #3f3f46;
    --hover-bg: #27272a;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

body {
    font-family: 'adobe-clean', 'Adobe Clean', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 1px 1px, rgba(0, 212, 255, 0.15) 1px, transparent 0);
    background-size: 20px 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Announcement Bar */
.announcement-bar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 12px 0;
    font-size: 14px;
    position: relative;
    z-index: 1001;
}

.announcement-link {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.announcement-link:hover {
    opacity: 0.8;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.nav-contents-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-contents {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 72px;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    position: absolute;
    left: 0;
}

.brand-name {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.icon-logo {
    width: 32px;
    height: 32px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--yellow);
    letter-spacing: -0.5px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-list li {
    position: relative;
}

.nav-list .link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    padding: 8px 0;
    transition: color 0.2s ease;
    position: relative;
}

.nav-list .link:hover {
    color: var(--yellow);
}

.nav-list li.active .link {
    color: var(--yellow);
    font-weight: 500;
}

.nav-list li.active .link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--yellow);
}

.nav-page-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    padding: 8px 16px;
    transition: all 0.2s ease;
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.nav-page-link:hover {
    color: var(--yellow);
    border-color: var(--yellow);
    background: rgba(255, 215, 0, 0.1);
}

.nav-page-link.active {
    color: var(--yellow);
    font-weight: 500;
}

.nav-page-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--yellow);
}

.nav-page-text {
    position: relative;
    z-index: 1;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    font-family: inherit;
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-tertiary:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.btn-inverse {
    background: var(--primary-color);
    color: var(--bg-dark);
    border: 1px solid var(--primary-color);
}

.btn-inverse:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: var(--hover-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-xlarge {
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
}

/* Hero Section */
.hero-wrap {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    padding: 140px 0 160px;
    position: relative;
    overflow: hidden;
    z-index: 100;
}

.hero-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.8;
    transform: scale(1.1);
    transition: opacity 0.5s ease, transform 0.5s ease;
    will-change: transform, opacity;
}

.hero-video.playing {
    opacity: 0.8;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.5) 100%);
    z-index: 1;
}


.hero-background-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background-image: url('../ui/TomAi/images/gateway.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.5;
    z-index: 0;
    animation: rotateCounterClockwise 40s linear infinite;
    pointer-events: none;
}

.hero.section {
    position: relative;
    z-index: 1000;
}

@keyframes rotateCounterClockwise {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(-360deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    50% {
        transform: translate(30px, -30px) rotate(180deg);
    }
}

.hero {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero .content {
    text-align: center;
    max-width: 1280px;
    margin: 0 auto;
}

.hero .content.hero-content-grid {
    max-width: 1280px;
    text-align: left;
}

/* Hero Content Grid Layout */
.hero-content-grid {
    display: flex;
    flex-direction: column;
    gap: 64px;
    align-items: center;
    text-align: center;
}

.hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    align-items: center;
}

.hero-features-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    height: 100%;
}

.hero-right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
}

.hero-right .cta {
    text-align: center;
    max-width: 1100px;
}

.hero-section-title {
    font-size: 32px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    text-align: center;
    width: 100%;
}

.hero-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-feature-item {
    background: var(--bg-card);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero-feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.hero-feature-icon {
    width: 160px;
    height: 160px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.hero-feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.hero-feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cta {
    opacity: 1 !important;
}

.header {
    font-size: 80px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 32px;
    color: var(--text-primary);
    letter-spacing: -1px;
    background: linear-gradient(to bottom, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 1 !important;
}

.btn-cta {
    margin-top: 16px;
}

.tomai-gateway-btn,
.tomai-gateway-btn2 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    /* 缩小0.5倍：16px -> 8px */
    margin: 32px auto 0;
    padding: 0 24px;
    /* 缩小0.5倍：0 48px -> 0 24px */
    height: 60px;
    line-height: 60px;
    /* 缩小0.5倍：88px -> 44px */
    width: 33.33%;
    min-width: 200px;
    /* 缩小0.5倍：400px -> 200px */
    max-width: 250px;
    /* 缩小0.5倍：500px -> 250px */
    /* 10%透明度的背景色，让图片动画可以看到 */
    background: rgba(0, 0, 0, 0.1);
    color: #ffffff;
    /* 缩小0.5倍：4px -> 2px */
    border-radius: 12px;
    /* 缩小0.5倍：24px -> 12px */
    font-size: 16px;
    /* 缩小0.5倍：32px -> 16px */
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3),
        0 2px 4px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    /* 缩小0.5倍：阴影也相应缩小 */
    opacity: 1;
    visibility: visible;
}

.tomai-gateway-btn {
    margin-right: 5px;
    border: 3px solid #00d4ff;
}

.tomai-gateway-btn2 {
    margin-left: 5px;
    border: 3px solid #00ff77;
}

.tomai-gateway-btn.hidden,
.tomai-gateway-btn2.hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
}

/* 渐变边框层 - 只显示在边框线上 */
.tomai-gateway-btn::before,
.tomai-gateway-btn2::before {
    content: '';
    position: absolute;
    inset: -3px;
    /* 缩小0.5倍：-6px -> -3px */
    border-radius: 15px;
    /* 缩小0.5倍：30px -> 15px */
    background: conic-gradient(from 0deg,
            #9333ea 0deg,
            #a855f7 45deg,
            #db2777 90deg,
            #ec4899 135deg,
            #f472b6 180deg,
            #60a5fa 225deg,
            #3b82f6 270deg,
            #8b5cf6 315deg,
            #9333ea 360deg);
    z-index: -2;
    opacity: 0.5;
    -webkit-mask:
        linear-gradient(#000, #000) padding-box,
        linear-gradient(#000, #000);
    -webkit-mask-composite: xor;
    mask:
        linear-gradient(#000, #000) padding-box,
        linear-gradient(#000, #000);
    mask-composite: exclude;
    padding: 3px;
    /* 缩小0.5倍：6px -> 3px */
}

/* 背景旋转图片层 - gateway.png 逆时针旋转，放大6倍 */
.tomai-gateway-btn::after,
.tomai-gateway-btn2::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../ui/TomAi/images/gateway.png') center/contain no-repeat;
    border-radius: 10px;
    /* 缩小0.5倍：20px -> 10px */
    z-index: -1;
    pointer-events: none;
    transform: scale(6);
    transform-origin: center center;
    animation: rotateGatewayCounterClockwise 15s linear infinite;
    opacity: 1;
    will-change: transform;
}

.tomai-gateway-btn2::after {
    background: url('../ui/TomAi/images/gateway-green.png') center/contain no-repeat;
}

@keyframes rotateGatewayCounterClockwise {
    from {
        transform: scale(6) rotate(0deg);
    }

    to {
        transform: scale(6) rotate(-360deg);
    }
}

.tomai-gateway-btn:hover,
.tomai-gateway-btn2:hover {
    transform: translateY(-2px);
    /* 缩小0.5倍：-4px -> -2px */
    background: transparent;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4),
        0 3px 6px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    /* 缩小0.5倍：阴影也相应缩小 */
}

/* 保持动画一直运行，hover时也不改变 */
.tomai-gateway-btn:hover::after,
.tomai-gateway-btn2:hover::after {
    opacity: 1;
    animation: rotateGatewayCounterClockwise 15s linear infinite;
}

.tomai-gateway-btn svg,
.tomai-gateway-btn span,
.tomai-gateway-btn2 svg,
.tomai-gateway-btn2 span {
    position: relative;
    z-index: 1;
}

.tomai-gateway-btn span,
.tomai-gateway-btn2 span {
    font-size: 22px;
}

.tomai-gateway-btn svg,
.tomai-gateway-btn2 svg {
    width: 24px;
    /* 缩小0.5倍：36px -> 18px */
    height: 24px;
    /* 缩小0.5倍：36px -> 18px */
    flex-shrink: 0;
    stroke: currentColor;
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

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

/* What to Create Section */
.what-to-create {
    background: var(--bg-darker);
}

.create-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.create-option-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.create-option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.create-option-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

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

.option-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.option-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Examples Section */
.examples {
    background: var(--bg-dark);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.example-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background: #18181b;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.example-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.example-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.example-item.video-preview-item {
    cursor: pointer;
}

.example-item.video-preview-item:hover .hover-overlay {
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(2px);
}

.video-loading {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 30%;
    height: 6px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 237, 78, 0.22);
    box-shadow: 0 0 0 1px rgba(255, 237, 78, 0.35);
    z-index: 3;
    pointer-events: none;
}

.video-loading-bar {
    position: absolute;
    left: -40%;
    top: 0;
    width: 40%;
    height: 100%;
    border-radius: 999px;
    background: var(--yellow-bright);
    animation: video-loading-sweep 1s ease-in-out infinite;
}

.example-item.is-loaded .video-loading {
    opacity: 0;
}

@keyframes video-loading-sweep {
    0% {
        transform: translateX(0);
        opacity: 0.2;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(350%);
        opacity: 0.2;
    }
}

.hover-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 24px;
    text-align: center;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    z-index: 2;
}

.example-item:hover .hover-overlay {
    opacity: 1;
}

.example-name {
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.example-theme {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.05s;
}

.example-item:hover .example-name,
.example-item:hover .example-theme {
    transform: translateY(0);
}

@media (max-width: 992px) {
    .examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .examples-grid {
        grid-template-columns: 1fr;
    }

    .example-name {
        font-size: 1.1rem;
    }
}

.examples-grid .media-placeholder-info {
    display: none !important;
}

.media-name {
    color: var(--text-primary);
    font-weight: 500;
}

.media-size {
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: var(--bg-darker);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-item {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 32px;
}

.feature-icon {
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.feature-content {
    flex-grow: 1;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-image {
    width: 45%;
    margin-bottom: 0;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

.feature-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.feature-image .media-placeholder-info {
    width: 100%;
    aspect-ratio: 440 / 300;
}

.cta-center {
    text-align: center;
    margin-top: 48px;
}

/* Showcase Grid Specific Styles */
.showcase-grid {
    grid-template-columns: repeat(3, 1fr);
}

.showcase-grid .feature-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 32px;
    background: rgba(24, 24, 27, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    gap: 16px;
    min-height: 240px;
}

.showcase-grid .feature-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transform: translateY(-4px);
}

.showcase-grid .hover-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.4s ease, transform 6s ease;
    z-index: 1;
}

.showcase-grid .feature-item:hover .hover-bg-image {
    opacity: 1;
    transform: scale(1.1);
}

.showcase-grid .feature-content-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    transition: opacity 0.3s ease;
}

.showcase-grid .feature-item:hover .feature-content-wrapper {
    opacity: 0;
}

.showcase-grid .feature-title {
    font-size: 24px;
    margin-bottom: 16px;
}

@media (max-width: 1024px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Business Section - 使用Preview.html风格 */
.business-section {
    background: var(--bg-dark);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 48px auto 0;
    width: 100%;
}

.business-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.business-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    border-color: var(--primary-color);
    background: var(--bg-card-hover);
}

.business-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1A1A1A;
    line-height: 1.3;
    background: #FFA500;
    padding: 12px 16px;
    border-radius: 8px;
    text-align: center;
}

.business-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    flex-grow: 1;
}

@media (max-width: 1024px) {
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .business-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .business-card {
        padding: 24px;
    }

    .business-title {
        font-size: 20px;
    }

    .business-desc {
        font-size: 14px;
    }
}

/* CTA Section */
.cta-section {
    background: var(--bg-dark);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 64px 0 32px;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section {
    min-width: 0;
}

.footer-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
}

.footer-privacy {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-privacy:hover {
    color: var(--primary-color);
}

/* Museum Section */
.museum-section {
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 1) 100%);
    padding: 80px 0;
}

.museum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.museum-item {
    background: rgba(24, 24, 27, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.museum-item:nth-child(1) {
    animation-delay: 0.1s;
}

.museum-item:nth-child(2) {
    animation-delay: 0.2s;
}

.museum-item:nth-child(3) {
    animation-delay: 0.3s;
}

.museum-item:nth-child(4) {
    animation-delay: 0.4s;
}

.museum-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
    transform: translateY(-4px);
}

.museum-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-card);
    position: relative;
}

.museum-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.museum-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
}

.museum-version {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.museum-date {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.museum-download-btn {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    transition: all 0.3s ease;
    margin-top: auto;
}

.museum-download-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.4);
}

/* Platform Navigation (reuses museum card style) */
.platform-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.platform-card .museum-image {
    height: 180px;
}

.platform-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: linear-gradient(135deg, rgba(64, 158, 255, 0.12), rgba(64, 158, 255, 0.05));
    font-weight: 600;
    letter-spacing: 0.5px;
}

.platform-name {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.platform-specialty {
    margin: 0;
    font-size: 12px;
    color: var(--accent-color);
    font-weight: 500;
    line-height: 1.4;
}

.platform-meta {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.platform-link-btn {
    width: 100%;
    text-align: center;
}

.platform-link-btn.disabled {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    cursor: not-allowed;
}

.platform-nav-tip {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 13px;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: var(--bg-darker);
    text-align: center;
}

.cta-center {
    margin-top: 48px;
}

.cta-join-btn {
    display: inline-block;
    padding: 18px 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 20px;
    font-weight: 700;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
    border: none;
}

.cta-join-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.5);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.cta-join-btn:active {
    transform: translateY(-1px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Responsive Design */
@media (max-width: 1024px) {
    .header {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }

    .create-options {
        grid-template-columns: 1fr;
    }

    .examples-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .museum-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 24px;
    }

    .hero-content-grid {
        flex-direction: column;
        gap: 48px;
    }

    .hero-features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-section-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .nav-list {
        gap: 20px;
    }

    .hide-on-mobile {
        display: none !important;
    }

    .header {
        font-size: 36px;
    }

    .hero-content-grid {
        flex-direction: column;
        gap: 32px;
    }

    .hero-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .hero-section-title {
        font-size: 28px;
    }

    .hero-feature-icon {
        width: 120px;
        height: 120px;
    }

    .hero-feature-item {
        padding: 20px;
    }

    .hero-feature-title {
        font-size: 18px;
    }

    .hero-feature-desc {
        font-size: 14px;
    }

    .hero-right .cta {
        text-align: center;
    }

    .museum-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .museum-section {
        padding: 60px 0;
    }

    .museum-info {
        padding: 20px;
    }

    .museum-version {
        font-size: 18px;
    }
}