/* ==================== CSS变量 ==================== */
:root {
    /* 主色调 - 基于Lapix Logo的蓝色系 */
    --color-primary: hsl(210, 80%, 55%);
    --color-primary-dark: hsl(210, 80%, 45%);
    --color-primary-light: hsl(210, 80%, 65%);
    --color-secondary: hsl(195, 75%, 50%);

    /* 中性色 */
    --color-dark: hsl(220, 20%, 10%);
    --color-text: hsl(220, 15%, 25%);
    --color-text-light: hsl(220, 10%, 50%);
    --color-border: hsl(220, 15%, 90%);
    --color-bg: hsl(0, 0%, 100%);
    --color-bg-secondary: hsl(220, 20%, 98%);

    /* 状态色 */
    --color-success: hsl(140, 65%, 45%);
    --color-warning: hsl(40, 90%, 55%);
    --color-error: hsl(0, 75%, 55%);

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, hsl(210, 80%, 55%), hsl(195, 75%, 50%));
    --gradient-hero: linear-gradient(135deg, hsl(210, 80%, 60%) 0%, hsl(195, 75%, 55%) 50%, hsl(180, 75%, 50%) 100%);

    /* 阴影 - 更加细腻的阴影 */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.4);

    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-chinese: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

    /* 玻璃拟态 */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: blur(12px);

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* 圆角 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* 过渡 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ==================== 动画定义 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes float {

    0%,
    100% {
        transform: translateY(3px);
    }

    50% {
        transform: translateY(-3px);
    }
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(59, 130, 246, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 全局样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary), var(--font-chinese);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.brand-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
    display: block;
}

.float-logo {
    animation: float 4s ease-in-out infinite;
}

.footer-brand-logo {
    height: 36px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
}

/* 全站通用大图标方案 */
.brand-badge-large {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: float 4s ease-in-out infinite;
}

.brand-badge-large img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tagline {
    font-size: 0.75rem;
    color: var(--color-text-light);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

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

.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 1rem);
    left: 0;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--color-text);
    transition: var(--transition-fast);
}

.dropdown-content a:hover {
    background: var(--color-bg-secondary);
}

.dropdown-content i {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.dropdown-content strong {
    display: block;
    font-weight: 600;
}

.dropdown-content small {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.badge-dev {
    background: var(--color-warning);
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.5rem;
    border-radius: 2rem;
    font-weight: 600;
    margin-left: auto;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-toggle {
    display: none;
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

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

.btn-ghost {
    color: var(--color-text);
}

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

.btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 0.05;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(66, 153, 225, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(56, 178, 172, 0.1) 0%, transparent 50%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 2rem;
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 1s;
}

.card-4 {
    top: 10%;
    right: 15%;
    animation-delay: 1.5s;
}

.card-secure {
    border-left: 4px solid var(--color-success);
}

.card-secure i {
    color: var(--color-success);
}



/* ==================== Sections ==================== */
.products-section,
.features-section,
.cta-section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* ==================== 产品卡片 ==================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 2px solid var(--color-border);
}

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

.product-developing {
    opacity: 0.7;
}

.product-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.25rem;
}

.product-name-cn {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.product-description {
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.product-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.product-link:hover {
    gap: 0.75rem;
}

.product-status {
    color: var(--color-warning);
    font-weight: 600;
    font-size: 0.875rem;
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-warning);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ==================== 特性网格 ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
    font-size: 2rem;
}

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-item p {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ==================== CTA Section ==================== */
.cta-section {
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    opacity: 0.95;
}

.cta-content {
    position: relative;
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ==================== Footer ==================== */
.footer {
    background: var(--color-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-column h4 {
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

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

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        display: none;
    }

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

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .navbar-menu,
    .navbar-actions {
        display: none;
    }

    .navbar-toggle {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    z-index: 1000;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.toast-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Toast Update */
.toast-notification {
    text-align: center;
    border-radius: 12px !important;
    line-height: 1.5;
}

/* Contact Modal */
.custom-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.custom-modal.open {
    opacity: 1;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    width: 90%;
    max-width: 400px;
    border-radius: var(--radius-xl);
    padding: 2rem;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-2xl);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.custom-modal.open .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-light);
    cursor: pointer;
    line-height: 1;
}

.modal-content h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    color: var(--color-dark);
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    transition: transform 0.2s;
}

.contact-item:hover {
    transform: translateX(4px);
}

.contact-item i {
    font-size: 1.5rem;
    width: 2.5rem;
    text-align: center;
}

.contact-item strong {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.contact-item p {
    font-weight: 600;
    color: var(--color-dark);
    margin: 0;
    font-size: 1rem;
    word-break: break-all;
}

.copy-btn {
    font-size: 0.75rem;
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    text-decoration: none;
    display: inline-block;
}

.copy-btn:hover {
    background: var(--color-primary);
    color: white;
}

/* ==================== About Page ==================== */
.about-story {
    background-color: #f3f4f6;
    /* 加深一点的灰色背景 */
    padding: var(--spacing-2xl) 0;
}

.about-story-content {
    position: relative;
    background: white;
    padding: 3rem 4rem;
    /* 增加左右内边距 */
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    /* 更明显的阴影 */
    overflow: hidden;
    border-top: 4px solid var(--color-primary);
    /* 顶部强调色 */
}

.about-story-content::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-family: serif;
    font-size: 12rem;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.1;
    /* 稍微增加不透明度 */
}

.about-story-content h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.25rem;
    color: var(--color-dark);
    position: relative;
    z-index: 1;
    font-weight: 800;
}

.about-story-content p {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: justify;
    text-indent: 2em;
    position: relative;
    z-index: 1;
}

.about-story-content strong {
    color: var(--color-primary);
    font-weight: 700;
}