/* 科技深色主题 - 陕西慢思微进科技有限公司 */

:root {
    /* 主色调 */
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --primary-light: #66e5ff;
    
    /* 辅助色 */
    --accent: #ff6b6b;
    --accent-cyan: #4ecdc4;
    --accent-purple: #a855f7;
    
    /* 背景色 */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #151520;
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    /* 边框与线条 */
    --border: rgba(0, 212, 255, 0.1);
    --border-glow: rgba(0, 212, 255, 0.3);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    --gradient-card: linear-gradient(145deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    
    /* 字体 */
    --font-display: 'Cinzel', serif;
    --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 间距 */
    --section-padding: 120px;
    --container-max: 1280px;
    
    /* 动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s ease;
    --transition-slow: 0.6s ease;
}

/* 重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* 容器 */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-normal);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-icon {
    color: var(--primary);
    font-size: 1.8rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 10s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    bottom: -100px;
    left: -100px;
    animation-delay: -3s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-cyan);
    top: 50%;
    left: 30%;
    animation-delay: -6s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.badge-line {
    width: 60px;
    height: 1px;
    background: var(--gradient-primary);
}

.badge-text {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    color: var(--primary);
}

.hero-title {
    font-family: var(--font-body);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-line.accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: var(--transition-fast);
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(0, 212, 255, 0.05);
}

.hero-stats {
    display: flex;
    gap: 60px;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0.6;
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.5; }
}

/* 通用区块标题 */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header.light {
    color: var(--text-primary);
}

.section-tag {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.3em;
    color: var(--primary);
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-line {
    width: 80px;
    height: 2px;
    background: var(--gradient-primary);
    margin: 24px auto 0;
}

/* 关于我们 */
.about {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.card-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.about-card h3 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    color: var(--primary);
}

.about-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.value-icon {
    color: var(--primary);
    font-size: 0.8rem;
}

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

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-frame {
    position: relative;
    width: 400px;
    height: 400px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.frame-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary);
}

.corner-tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.corner-tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.corner-bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.corner-br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.tech-circle {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle-ring {
    position: absolute;
    border: 1px solid var(--border);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.ring-1 {
    width: 100%;
    height: 100%;
    animation-duration: 20s;
}

.ring-2 {
    width: 75%;
    height: 75%;
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-3 {
    width: 50%;
    height: 50%;
    animation-duration: 10s;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.circle-core {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    color: var(--bg-primary);
}

/* 服务领域 */
.services {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-glow);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
}

.card-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 24px;
    color: var(--primary);
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-list li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: 20px;
    position: relative;
}

.service-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.card-hover {
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: var(--transition-normal);
    pointer-events: none;
}

.service-card:hover .card-hover {
    opacity: 1;
}

/* 解决方案 */
.solutions {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.solutions-showcase {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.solution-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 40px;
    padding: 48px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition-normal);
}

.solution-item:first-child {
    padding-top: 0;
}

.solution-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.solution-item:hover {
    padding-left: 20px;
}

.solution-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    opacity: 0.5;
    line-height: 1;
    transition: var(--transition-normal);
}

.solution-item:hover .solution-number {
    opacity: 1;
}

.solution-content h3 {
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.solution-content p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
}

/* 联系我们 */
.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-info .section-header {
    text-align: left;
    margin-bottom: 48px;
}

.contact-info .section-line {
    margin: 24px 0 0;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.info-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-block {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.block-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.block-text {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: center;
}

.block-text span {
    font-family: var(--font-display);
    font-size: 1.2rem;
    letter-spacing: 0.2em;
    color: var(--primary);
}

/* 页脚 */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-desc {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--border);
    margin: 0 auto 32px;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.beian {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.beian a {
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.beian .divider {
    opacity: 0.5;
}

/* 响应式 */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .visual-frame {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        padding: 40px;
        gap: 24px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-item {
        grid-template-columns: 60px 1fr;
        gap: 20px;
    }
    
    .solution-number {
        font-size: 2rem;
    }
    
    :root {
        --section-padding: 80px;
    }
}

/* 滚动动画 */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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