:root {
    /* Dark Theme (Default) */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #999999;
    --accent-primary: #ff0066;
    --accent-secondary: #00ff88;
    --accent-tertiary: #0066ff;
    --border-color: #333333;
    --highlight-bg: #ff0066;
    --highlight-text: #ffffff;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --text-primary: #000000;
    --text-secondary: #666666;
    --accent-primary: #ff0066;
    --accent-secondary: #00ff88;
    --accent-tertiary: #0066ff;
    --border-color: #e0e0e0;
    --highlight-bg: #ff0066;
    --highlight-text: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.5s ease;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Syne', sans-serif;
    font-size: 28px;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
    letter-spacing: -1px;
    display: inline-flex;
    align-items: center;
    transition: opacity 0.3s ease;
}

.logo:hover {
    color: var(--text-primary);
    opacity: 0.8;
}

.footer .logo {
    font-size: 32px;
    margin-bottom: 20px;
}

.logo-dot {
    color: var(--accent-primary);
}

.nav-center {
    display: flex;
    gap: 40px;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width 0.3s ease;
}

.nav-item:hover {
    color: var(--text-primary);
}

.nav-item:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


.theme-btn {
    background: none;
    border: 2px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 20px;
    transition: all 0.3s ease;
}

.theme-btn:hover {
    border-color: var(--accent-primary);
    transform: rotate(180deg);
}

.theme-btn .icon {
    display: none;
}

[data-theme="dark"] .theme-btn .sun,
:root:not([data-theme]) .theme-btn .sun,
:root:not([data-theme="light"]) .theme-btn .sun {
    display: block;
}

[data-theme="light"] .theme-btn .moon {
    display: block;
}

.lang-btn {
    background: none;
    border: 2px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 0;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--highlight-text);
}

.nav-cta {
    background: var(--accent-primary);
    color: var(--highlight-text);
    padding: 12px 24px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-primary);
}

.nav-cta:hover {
    background: transparent;
    color: var(--accent-primary);
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    padding: 120px 40px 80px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
}

.hero-left {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--accent-primary);
    color: var(--highlight-text);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 40px;
    align-self: flex-start;
}

.hero-title {
    font-family: emoji;
    font-size: 82px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 40px;
    letter-spacing: -2px;
    width: 100%;
}

.title-line-1 {
    display: block;
    color: var(--text-primary);
}

.title-line-2 {
    display: block;
    color: var(--accent-primary);
    margin-left: 40px;
}

.title-line-3 {
    display: block;
    color: var(--accent-secondary);
    margin-left: 80px;
    white-space: normal;
}

.gmv-text {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-weight: 900;
    letter-spacing: -1px;
}

.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 50px;
    max-width: 700px;
    text-align: center;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    justify-content: center;
}

.hero-cta a {
    font-size: 16px;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--highlight-text);
    padding: 18px 40px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--accent-primary);
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: transparent;
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-primary.large {
    padding: 20px 50px;
    font-size: 16px;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 18px 40px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    display: inline-block;
}

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

.hero-stats {
    display: flex;
    gap: 60px;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: 'Syne', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    height: auto;
    z-index: 0;
    pointer-events: none;
}

.visual-text {
    font-family: 'Syne', sans-serif;
    font-size: 300px;
    font-weight: 800;
    color: var(--text-primary);
    opacity: 0.03;
    line-height: 1;
    white-space: nowrap;
}

.hero-scroll {
    text-align: center;
    padding-top: 40px;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    height: 140px;
    /* 固定高度，防止内部动画导致页面抖动 */
    overflow: hidden;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: var(--accent-primary);
    margin: 10px auto 0;
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {

    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateY(15px);
        opacity: 0.3;
    }
}

/* 功能区域 */
.features {
    padding: 150px 40px;
    background: var(--bg-secondary);
}

.section-header {
    max-width: 1400px;
    margin: 0 auto 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.section-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-primary);
    color: var(--highlight-text);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    white-space: nowrap;
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: 72px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -2px;
    line-height: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    padding: 40px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.feature-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(255, 0, 102, 0.2);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
    pointer-events: none;
    filter: blur(50px);
}

.feature-card:hover .card-glow {
    opacity: 0.1;
}

.card-icon-box {
    font-size: 40px;
    margin-bottom: 20px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-block;
}

.feature-card:hover .card-icon-box {
    transform: scale(1.2) rotate(5deg);
}

.feature-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    height: 130px;
    /* 固定高度，约5行 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

.card-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s ease;
}

.card-link:hover {
    gap: 10px;
}

.features-list {
    max-width: 1400px;
    margin: 0 auto;
}

.feature-item {
    display: grid;
    grid-template-columns: 100px 1fr 300px;
    gap: 60px;
    padding: 80px 0;
    border-bottom: 2px solid var(--border-color);
    align-items: center;
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item.reverse {
    grid-template-columns: 300px 1fr 100px;
}

.feature-item.reverse .feature-number {
    order: 3;
}

.feature-item.reverse .feature-content {
    order: 2;
}

.feature-item.reverse .feature-visual {
    order: 1;
}

.feature-number {
    font-family: 'Syne', sans-serif;
    font-size: 80px;
    font-weight: 800;
    color: var(--accent-primary);
    opacity: 0.3;
    line-height: 1;
}

.feature-content h3 {
    font-family: 'Syne', sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.feature-content p {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 500px;
}

.feature-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.feature-link:hover {
    gap: 16px;
}

.feature-visual {
    width: 100%;
    height: 200px;
    background: var(--accent-primary);
    position: relative;
    overflow: hidden;
}

.visual-1 {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.visual-2 {
    background: linear-gradient(135deg, var(--accent-tertiary), var(--accent-primary));
}

.visual-3 {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-tertiary));
}

.visual-4 {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-tertiary));
}

/* 解决方案 */
.solutions {
    padding: 150px 40px 80px;
    background: var(--bg-primary);
}

.solutions-container {
    max-width: 1400px;
    margin: 0 auto;
}

.solutions-header {
    display: flex;
    align-items: baseline;
    gap: 40px;
    margin-bottom: 100px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.solution-box {
    padding: 60px 40px;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
}

.solution-box:hover {
    border-color: var(--accent-primary);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(255, 0, 102, 0.2);
}

.solution-icon {
    font-size: 32px;
    margin-right: 15px;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-block;
}

.solution-box:hover .solution-icon {
    transform: scale(1.2) rotate(-5deg);
}

.solution-box.highlight {
    background: var(--accent-primary);
    color: var(--highlight-text);
    border-color: var(--accent-primary);
}

.solution-box.highlight .solution-label,
.solution-box.highlight h3,
.solution-box.highlight p {
    color: var(--highlight-text);
}

.solution-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-primary);
    margin-bottom: 20px;
}

.solution-box h3 {
    font-family: 'Syne', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.solution-box p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    height: 90px;
    /* 固定高度，约3行 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.solution-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.solution-box.highlight .solution-link {
    color: var(--highlight-text);
}

.solution-link:hover {
    gap: 16px;
}


/* 价格方案 */
.pricing {
    padding: 80px 40px 150px;
    background: var(--bg-primary);
}

.pricing-container {
    max-width: 1400px;
    margin: 0 auto;
}

.pricing-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 0;
}

/* Pricing List - Matching TopUpModal */
.pricing-list {
    display: grid;
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: 1rem;
    max-width: 1400px;
    /* Increased max-width for 4 columns */
    margin: 0 auto;
    padding: 0;
    /* Removed top padding */
    /* Removed overflow and max-height as requested */
}

@media (min-width: 768px) {
    .pricing-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .pricing-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        /* Changed to 4 columns */
    }
}

/* 走马灯 */
.plugins-carousel-box {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #000;
    color: #ffffff;
    overflow-x: hidden;
}

/* 走马灯容器 */
.plugins-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 24px 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.04));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* 标题样式 */
.carousel-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    width: 100%;
    text-align: center;
}

.title-line1 {
    font-size: 48px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.8px;
    text-align: center;
    width: 100%;
    margin-bottom: 4px;
}

.title-line2 {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    width: '100%';
}

/* 走马灯行 */
.carousel-row {
    position: relative;
    margin-bottom: 12px;
    width: 100%;
    overflow: hidden;
}

.carousel-track {
    display: flex;
    align-items: center;
    gap: 22px;
    width: max-content;
    will-change: transform;
    transform: translateZ(0);
}

/* 动画定义 - 修复第二行动画 */
@keyframes tickerLeft {
    0% {
        transform: translate3d(0, 0, 0);
    }

    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

@keyframes tickerRight {
    0% {
        transform: translate3d(-50%, 0, 0);
    }

    100% {
        transform: translate3d(0, 0, 0);
    }
}

/* 第一行动画（向左） */
#track-left {
    animation: tickerLeft 60s linear infinite;
}

/* 第二行动画（向右） - 从左侧偏移开始 */
#track-right {
    animation: tickerRight 60s linear infinite;
    /* 初始位置：向左偏移50%，这样向右移动时会有内容从左侧进入 */
    transform: translate3d(-50%, 0, 0);
}

/* 遮罩效果 */
.mask-left {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 100px;
    background: linear-gradient(90deg, rgba(10, 10, 10, 1), rgba(10, 10, 10, 0));
    pointer-events: none;
    z-index: 10;
}

.mask-right {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 100px;
    background: linear-gradient(270deg, rgba(10, 10, 10, 1), rgba(10, 10, 10, 0));
    pointer-events: none;
    z-index: 10;
}

/* 项目样式 */
.carousel-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
    color: #ffffff;
    white-space: nowrap;
    cursor: default;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
}

.carousel-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.carousel-item svg {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.carousel-item span {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: 0.4px;
    line-height: 1.2;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .title-line1 {
        font-size: 40px;
    }

    .title-line2 {
        font-size: 24px;
    }

    .carousel-item span {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .title-line1 {
        font-size: 32px;
    }

    .title-line2 {
        font-size: 20px;
    }

    .carousel-item span {
        font-size: 24px;
    }

    .carousel-item {
        padding: 6px 10px;
    }

    .carousel-track {
        gap: 16px;
    }

    .mask-left,
    .mask-right {
        width: 60px;
    }
}

@media (max-width: 480px) {
    .title-line1 {
        font-size: 28px;
    }

    .title-line2 {
        font-size: 18px;
    }

    .carousel-item span {
        font-size: 20px;
    }

    .carousel-item svg {
        width: 32px;
        height: 32px;
    }
}

/* 演示用 - 如果需要在亮色主题下使用 */
.light-theme {
    background: #f8f9fa;
    color: #2c2c2c;
}

.light-theme .plugins-carousel {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.04));
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.light-theme .carousel-item {
    color: #2c2c2c;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(0, 0, 0, 0.04);
}

.light-theme .mask-left {
    background: linear-gradient(90deg, #f8f9fa, rgba(248, 249, 250, 0));
}

.light-theme .mask-right {
    background: linear-gradient(270deg, #f8f9fa, rgba(248, 249, 250, 0));
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 20px;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.light-theme .theme-toggle {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.2);
    color: #2c2c2c;
}

.light-theme .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.2);
}


/* 走马灯 */


.pricing-list::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.pricing-list::-webkit-scrollbar-track {
    background: transparent;
}

.pricing-list::-webkit-scrollbar-thumb {
    background: rgba(155, 155, 155, 0.5);
    border-radius: 4px;
}

.pricing-list::-webkit-scrollbar-thumb:hover {
    background: rgba(155, 155, 155, 0.7);
}

/* Pricing Item Card */
.pricing-item {
    position: relative;
    padding: 1.25rem;
    border-radius: 1rem;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: 420px;
    background-color: transparent;
}

.pricing-item:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Tiers Colors */
.pricing-item.tier-gray {
    background-color: rgba(107, 114, 128, 0.1);
    border-color: rgba(107, 114, 128, 0.2);
}

.pricing-item.tier-gray:hover {
    box-shadow: 0 20px 25px -5px rgba(107, 114, 128, 0.1);
}

.pricing-item.tier-pink {
    background-color: rgba(255, 0, 102, 0.1);
    border-color: rgba(255, 0, 102, 0.2);
}

.pricing-item.tier-pink:hover {
    box-shadow: 0 20px 25px -5px rgba(255, 0, 102, 0.1);
}

.pricing-item.tier-purple {
    background-color: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.2);
}

.pricing-item.tier-purple:hover {
    box-shadow: 0 20px 25px -5px rgba(168, 85, 247, 0.1);
}

.pricing-item.tier-orange {
    background-color: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.2);
}

.pricing-item.tier-orange:hover {
    box-shadow: 0 20px 25px -5px rgba(249, 115, 22, 0.1);
}

/* Popular/Highlight specific */
.pricing-item.popular {
    transform: scale(1.01);
    box-shadow: 0 10px 15px -3px rgba(255, 0, 102, 0.1), 0 4px 6px -2px rgba(255, 0, 102, 0.05);
    border: 2px solid rgba(255, 0, 102, 0.4);
}

.pricing-item.popular:hover {
    transform: scale(1.02);
}

/* Badge */
.pricing-badge {
    position: absolute;
    top: 0;
    right: 0;
    left: auto;
    background: var(--accent-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-bottom-left-radius: 0.75rem;
    border-top-right-radius: 0.75rem;
    z-index: 10;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    text-transform: none;
    letter-spacing: normal;
}

/* Icon Box */
.pricing-icon-box {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
    box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    background-color: rgba(255, 255, 255, 0.1);
}

.tier-gray .pricing-icon-box {
    color: #9ca3af;
}

.tier-pink .pricing-icon-box {
    color: #ff0066;
}

.tier-purple .pricing-icon-box {
    color: #a855f7;
}

.tier-orange .pricing-icon-box {
    color: #f97316;
}

/* Content Layout */
.pricing-content-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
    font-family: inherit;
}

.tier-gray .pricing-title {
    color: #9ca3af;
}

.tier-pink .pricing-title {
    color: #ff0066;
}

.tier-purple .pricing-title {
    color: #a855f7;
}

.tier-orange .pricing-title {
    color: #f97316;
}

.pricing-price-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    font-family: inherit;
    margin: 0;
}

/* Credits Box */
.pricing-credits-box {
    margin-top: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

.pricing-credits-text {
    font-size: 1.125rem;
    font-family: monospace;
    font-weight: 700;
    color: var(--text-primary);
}

/* Features */
.pricing-features-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 0 0.25rem;
    list-style: none;
}

.pricing-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1.625;
    text-align: left;
}

.pricing-check-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    margin-top: 0.125rem;
    stroke-width: 3;
    fill: none;
}

.tier-gray .pricing-check-icon {
    stroke: #9ca3af;
}

.tier-pink .pricing-check-icon {
    stroke: #ff0066;
}

.tier-purple .pricing-check-icon {
    stroke: #a855f7;
}

.tier-orange .pricing-check-icon {
    stroke: #f97316;
}

/* Button */
.pricing-btn-styled {
    width: 100%;
    padding: 0.875rem 0;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 0.75rem;
    transition: all 0.2s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: block;
    text-align: center;
}

.pricing-btn-styled:hover {
    opacity: 0.9;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.pricing-btn-styled:active {
    transform: scale(0.95);
}


/* 页脚 */
.footer {
    padding: 100px 40px 40px;
    background: var(--bg-secondary);
    border-top: 2px solid var(--border-color);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 100px;
    margin-bottom: 30px;
}

.footer-logo {
    font-family: 'Syne', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-slogan {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

.footer-copyright {
    font-size: 12px;
    color: var(--text-secondary);
}

.footer-cta {
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: gap 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-cta:hover {
    gap: 16px;
}

.footer-cta::after {
    content: '→';
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .hero-title {
        font-size: 72px;
    }
    
    .visual-text {
        font-size: 250px;
    }
}

@media (max-width: 1200px) {
    .hero-title {
        font-size: 60px;
    }

    .title-line-2 {
        margin-left: 20px;
    }

    .title-line-3 {
        margin-left: 40px;
    }

    .visual-text {
        font-size: 200px;
    }

    .section-title {
        font-size: 56px;
    }

    .feature-item {
        grid-template-columns: 80px 1fr 200px;
    }

    .feature-item.reverse {
        grid-template-columns: 200px 1fr 80px;
    }
}

@media (max-width: 968px) {
    .mobile-menu-btn {
        display: block;
        display: flex; /* 修复 flex 布局 */
    }

    .nav-center {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-primary);
        padding: 100px 40px;
        transition: 0.3s ease-in-out;
        z-index: 1000;
        align-items: center;
        gap: 40px;
        border-left: 1px solid var(--border-color);
    }

    .nav-center.active {
        right: 0;
    }

    .nav-item {
        font-size: 24px;
    }

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

    .hero-title {
        font-size: 48px;
        margin-bottom: 30px;
    }

    .title-line-1,
    .title-line-2,
    .title-line-3 {
        display: block;
        margin-left: 0;
        text-align: center;
    }

    .hero-desc {
        font-size: 18px;
        max-width: 100%;
    }

    .visual-text {
        font-size: 150px;
        top: 60%;
        opacity: 0.02;
    }

    .section-title {
        font-size: 40px;
    }

    .feature-item,
    .feature-item.reverse {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .feature-item .feature-number {
        margin: 0 auto;
    }
    
    .feature-visual {
        height: 200px;
        width: 100%;
        order: -1; /* 视觉图在移动端置顶 */
    }

    .feature-item.reverse .feature-visual {
        order: -1;
    }

    .features-grid,
    .solutions-grid,
    .pricing-list {
        grid-template-columns: 1fr;
    }

    .cases-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 640px) {
    .nav-container {
        padding: 20px;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-title {
        font-size: 48px;
    }

    .title-line-2 {
        margin-left: 20px;
    }

    .title-line-3 {
        margin-left: 40px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

    .features,
    .solutions,
    .cases,
    .pricing {
        padding: 80px 20px;
    }

    .section-number {
        font-size: 80px;
    }

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

    .feature-content h3 {
        font-size: 32px;
    }

    .footer {
        padding: 60px 20px 30px;
    }
}