/* ========================================
   张量无垠 - AI公司网站样式
   深色科技主题设计
   ======================================== */

/* CSS变量定义 */
:root {
    /* 深色系主色调 */
    --bg-primary: #0a0a0c;
    --bg-secondary: #0d0d10;
    --bg-tertiary: #111114;
    --bg-card: #141417;
    --bg-card-hover: #1a1a1e;

    /* 炭灰色系 */
    --炭灰-dark: #18181c;
    --炭灰-medium: #222228;
    --炭灰-light: #2a2a32;

    /* 墨蓝色系 - 降低饱和度 */
    --墨蓝-dark: #0c1015;
    --墨蓝-medium: #141a22;
    --墨蓝-light: #1c242e;
    --墨蓝-accent: #2a3848;

    /* 强调色 - 柔和的黄色调 */
    --accent-primary: #f0d060;
    --accent-secondary: #c9a030;
    --accent-gradient: linear-gradient(135deg, #f0d060 0%, #c9a030 100%);
    --accent-glow: rgba(240, 208, 96, 0.2);

    /* 文字颜色 */
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a0;
    --text-muted: #6a6a6a;

    /* 边框颜色 */
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(240, 208, 96, 0.15);

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(240, 208, 96, 0.12);

    /* 字体 - 更优雅的字体 */
    --font-primary: 'Noto Serif SC', 'DM Sans', -apple-system, BlinkMacSystemFont, serif;
    --font-display: 'DM Sans', 'Noto Serif SC', sans-serif;

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
}

/* 动态背景 */
.dynamic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#bgCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 30% 30%, rgba(20, 20, 25, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(18, 18, 22, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   导航栏
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: 12px;
    font-size: 20px;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-link {
    position: relative;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    border-radius: 8px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

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

.hero-content {
    position: relative;
    z-index: 2;
    width: 700px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(240, 208, 96, 0.08);
    border: 1px solid rgba(240, 208, 96, 0.15);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease forwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    text-align: center;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

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

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-bottom: 40px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 8px;
}

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

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition-medium);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(240, 208, 96, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(240, 208, 96, 0.08);
}

/* Hero视觉元素 */
.hero-visual {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 700px;
    height: 700px;
    z-index: 1;
}

.tech-orb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
}

.orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: var(--accent-gradient);
    border-radius: 50%;
    box-shadow:
        0 0 40px var(--accent-glow),
        0 0 80px rgba(139, 115, 85, 0.2);
    animation: corePulse 3s ease infinite;
}

.orb-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid;
    border-radius: 50%;
    animation: ringRotate 20s linear infinite;
}

.ring-1 {
    width: 200px;
    height: 200px;
    border-color: rgba(240, 208, 96, 0.25);
    animation-duration: 15s;
}

.ring-2 {
    width: 300px;
    height: 300px;
    border-color: rgba(201, 160, 48, 0.2);
    animation-duration: 25s;
    animation-direction: reverse;
}

.ring-3 {
    width: 400px;
    height: 400px;
    border-color: rgba(240, 208, 96, 0.15);
    animation-duration: 35s;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: fadeIn 1s ease 1.2s forwards;
    opacity: 0;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: scrollWheel 2s ease infinite;
}

/* ========================================
   通用区块样式
   ======================================== */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(240, 208, 96, 0.08);
    border: 1px solid rgba(240, 208, 96, 0.15);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

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

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

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

/* ========================================
   关于我们
   ======================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    max-width: 450px;
    background: var(--bg-tertiary);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.frame-glow {
    position: absolute;
    inset: -2px;
    background: var(--accent-gradient);
    border-radius: 26px;
    opacity: 0.3;
    filter: blur(20px);
}

.frame-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--墨蓝-dark) 0%, var(--bg-tertiary) 100%);
}

.ai-brain {
    position: relative;
    width: 200px;
    height: 200px;
}

.neuron {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--accent-gradient);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--accent-glow);
    animation: neuronPulse 2s ease infinite;
}

.n1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.n2 {
    top: 20%;
    right: 20%;
    animation-delay: 0.3s;
}

.n3 {
    top: 50%;
    left: 10%;
    animation-delay: 0.6s;
}

.n4 {
    top: 50%;
    right: 10%;
    animation-delay: 0.9s;
}

.n5 {
    top: 80%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 1.2s;
}

.neural-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.neural-lines .line {
    stroke: var(--accent-primary);
    stroke-width: 1;
    opacity: 0.3;
    animation: lineDraw 3s ease infinite;
}

.about-text h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.feature-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 12px;
    font-size: 1.2rem;
}

.feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

/* ========================================
   核心产品
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.product-card {
    position: relative;
    background: var(--bg-card);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-medium);
}

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

.product-card:hover::before {
    opacity: 1;
}

.card-glow {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-medium);
}

.product-card:hover .card-glow {
    opacity: 1;
}

.card-icon {
    margin-bottom: 24px;
}

.icon-wrapper {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(240, 208, 96, 0.08);
    border: 1px solid rgba(240, 208, 96, 0.15);
    border-radius: 20px;
    font-size: 1.8rem;
    color: var(--accent-primary);
    transition: var(--transition-medium);
}

.product-card:hover .icon-wrapper {
    background: var(--accent-gradient);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.card-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.card-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(240, 208, 96, 0.15);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #f5d890;
    margin-bottom: 16px;
}

.card-desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.card-features span {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-features i {
    color: var(--accent-primary);
    font-size: 0.7rem;
}

.card-stats {
    display: flex;
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

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

.ms-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.ms-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 产品动画 */
.card-visual {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 120px;
    height: 120px;
    opacity: 0.15;
    transition: var(--transition-medium);
}

.product-card:hover .card-visual {
    opacity: 0.3;
}

.doc-animation {
    position: relative;
    width: 100%;
    height: 100%;
}

.doc {
    position: absolute;
    background: var(--text-primary);
    border-radius: 4px;
}

.doc-1 {
    width: 40px;
    height: 50px;
    top: 20px;
    left: 20px;
    transform: rotate(-10deg);
    animation: docFloat 3s ease infinite;
}

.doc-2 {
    width: 40px;
    height: 50px;
    top: 30px;
    left: 50px;
    transform: rotate(5deg);
    animation: docFloat 3s ease infinite 0.5s;
}

.doc-3 {
    width: 40px;
    height: 50px;
    top: 50px;
    left: 35px;
    transform: rotate(-5deg);
    animation: docFloat 3s ease infinite 1s;
}

/* ========================================
   解决方案
   ======================================== */
.solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-medium);
}

.tab-btn i {
    font-size: 1.2rem;
}

.tab-btn:hover {
    border-color: var(--border-glow);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(240, 208, 96, 0.15);
}

.solutions-content {
    position: relative;
}

.solution-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    animation: fadeIn 0.5s ease;
}

.solution-panel.active {
    display: grid;
}

.solution-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.solution-info>p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.solution-features {
    list-style: none;
    margin-bottom: 32px;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.solution-features li:last-child {
    border-bottom: none;
}

.solution-features i {
    color: var(--accent-primary);
    font-size: 0.8rem;
}

.solution-visual {
    position: relative;
    height: 400px;
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.visual-finance {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.chart-element {
    display: flex;
    align-items: flex-end;
    gap: 20px;
    height: 150px;
}

.bar {
    width: 40px;
    background: var(--accent-gradient);
    border-radius: 8px 8px 0 0;
    animation: barGrow 2s ease forwards;
    transform-origin: bottom;
}

.b1 {
    height: 60%;
    animation-delay: 0.1s;
}

.b2 {
    height: 80%;
    animation-delay: 0.2s;
}

.b3 {
    height: 100%;
    animation-delay: 0.3s;
}

.b4 {
    height: 70%;
    animation-delay: 0.4s;
}

.data-flow {
    position: relative;
    width: 200px;
    height: 60px;
}

.flow-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    animation: flowMove 2s linear infinite;
}

.flow-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    animation: dotMove 2s linear infinite;
}

.d1 {
    animation-delay: 0s;
}

.d2 {
    animation-delay: 0.7s;
}

.d3 {
    animation-delay: 1.4s;
}

/* 解决方案图标样式 */
.solution-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon i {
    font-size: 5rem;
    color: var(--accent-primary);
    opacity: 0.6;
}

/* 金融服务可视化 - 大楼与数据流 */
.finance-building {
    position: relative;
    width: 120px;
    height: 180px;
    margin: 0 auto;
}

.building-body {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(180deg, var(--墨蓝-light) 0%, var(--墨蓝-dark) 100%);
    border-radius: 4px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 8px;
    padding: 12px;
}

.window {
    background: rgba(240, 208, 96, 0.3);
    border-radius: 2px;
    animation: windowFlicker 3s ease-in-out infinite;
}

.w1 { animation-delay: 0s; }
.w2 { animation-delay: 0.2s; }
.w3 { animation-delay: 0.4s; }
.w4 { animation-delay: 0.6s; }
.w5 { animation-delay: 0.8s; }
.w6 { animation-delay: 1s; }
.w7 { animation-delay: 1.2s; }
.w8 { animation-delay: 1.4s; }
.w9 { animation-delay: 1.6s; }
.w10 { animation-delay: 1.8s; }
.w11 { animation-delay: 2s; }
.w12 { animation-delay: 2.2s; }

.building-top {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 30px;
    background: var(--墨蓝-medium);
    border-radius: 4px 4px 0 0;
}

.building-top::after {
    content: '';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 15px;
    background: var(--accent-primary);
    animation: antennaPulse 2s ease infinite;
}

.data-streams {
    position: absolute;
    top: 50%;
    right: -60px;
    width: 80px;
    height: 100px;
}

.stream {
    position: absolute;
    width: 4px;
    height: 40px;
    background: linear-gradient(180deg, var(--accent-primary), transparent);
    border-radius: 2px;
    opacity: 0.6;
}

.s1 {
    top: 0;
    left: 10px;
    animation: streamFlow 2s linear infinite;
}

.s2 {
    top: 20px;
    left: 35px;
    animation: streamFlow 2s linear infinite 0.5s;
}

.s3 {
    top: 40px;
    left: 60px;
    animation: streamFlow 2s linear infinite 1s;
}

.finance-numbers {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}

.number {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: rgba(240, 208, 96, 0.1);
    border: 1px solid rgba(240, 208, 96, 0.2);
    border-radius: 8px;
    animation: numberFloat 3s ease-in-out infinite;
}

.n1 { animation-delay: 0s; }
.n2 { animation-delay: 1s; }
.n3 { animation-delay: 2s; }

.number .currency {
    font-size: 0.7rem;
    color: var(--accent-primary);
}

.number .value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 智能制造可视化 - 工厂与机器人 */
.factory-scene {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.factory-building {
    position: absolute;
    top: 30px;
    left: 30px;
    width: 100px;
    height: 80px;
}

.factory-building .roof {
    width: 100%;
    height: 20px;
    background: var(--炭灰-medium);
    clip-path: polygon(0 100%, 50% 0, 100% 100%);
}

.factory-building .wall {
    width: 100%;
    height: 60px;
    background: var(--炭灰-dark);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px;
}

.factory-building .door {
    width: 20px;
    height: 40px;
    background: var(--墨蓝-dark);
    border-radius: 2px;
}

.factory-building .window {
    width: 25px;
    height: 20px;
    background: rgba(240, 208, 96, 0.2);
    border-radius: 2px;
}

.robot-arm-container {
    position: absolute;
    bottom: 60px;
    right: 40px;
    width: 80px;
    height: 100px;
}

.robot-base {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 15px;
    background: var(--炭灰-medium);
    border-radius: 4px;
}

.robot-arm {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    transform-origin: bottom center;
    animation: robotMove 3s ease-in-out infinite;
}

.arm-segment {
    position: relative;
    width: 8px;
    height: 40px;
    background: var(--炭灰-light);
    border-radius: 4px;
    transform-origin: top center;
}

.seg1 {
    transform: rotate(-30deg);
    animation: armSwing1 2s ease-in-out infinite;
}

.seg2 {
    position: absolute;
    top: 35px;
    left: -15px;
    transform: rotate(60deg);
    animation: armSwing2 2s ease-in-out infinite 0.5s;
}

.joint {
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--accent-primary);
    border-radius: 50%;
}

.gripper {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 10px;
    background: var(--炭灰-light);
    border-radius: 0 0 4px 4px;
}

.production-line {
    position: absolute;
    bottom: 20px;
    left: 30px;
    right: 30px;
    height: 30px;
}

.belt {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: var(--炭灰-medium);
    border-radius: 4px;
    animation: beltMove 1s linear infinite;
}

.product {
    position: absolute;
    bottom: 8px;
    width: 20px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 3px;
    opacity: 0.8;
}

.p1 {
    left: 10%;
    animation: productMove 4s linear infinite;
}

.p2 {
    left: 40%;
    animation: productMove 4s linear infinite 1.5s;
}

.p3 {
    left: 70%;
    animation: productMove 4s linear infinite 3s;
}

/* 零售可视化 - 商店与购物 */
.store-scene {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 40px;
}

.store-front {
    position: relative;
    width: 160px;
    height: 140px;
}

.store-roof {
    width: 100%;
    height: 25px;
    background: var(--炭灰-medium);
    clip-path: polygon(0 100%, 10% 0, 90% 0, 100% 100%);
}

.store-wall {
    position: relative;
    width: 100%;
    height: 100px;
    background: var(--炭灰-dark);
    border-radius: 0 0 4px 4px;
    display: flex;
    flex-direction: column;
}

.display-window {
    flex: 1;
    display: flex;
    gap: 10px;
    padding: 10px;
}

.product-display {
    flex: 1;
    background: rgba(240, 208, 96, 0.1);
    border-radius: 4px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 8px;
}

.product-box {
    width: 20px;
    height: 25px;
    background: var(--accent-primary);
    border-radius: 2px;
    animation: productBounce 2s ease-in-out infinite;
}

.pd2 .product-box {
    animation-delay: 0.5s;
}

.store-sign {
    height: 25px;
    background: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.store-sign span {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--bg-primary);
    letter-spacing: 2px;
}

.store-base {
    width: 100%;
    height: 15px;
    background: var(--炭灰-medium);
    border-radius: 0 0 4px 4px;
}

.shopping-animation {
    position: absolute;
    right: 30px;
    bottom: 60px;
}

.cart-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: cartBounce 1s ease-in-out infinite;
}

.cart-icon i {
    color: var(--bg-primary);
    font-size: 1rem;
}

.cart-trail {
    position: absolute;
    top: 50%;
    left: -40px;
    transform: translateY(-50%);
    display: flex;
    gap: 6px;
}

.trail-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0;
    animation: trailFade 1s ease-out infinite;
}

.t1 { animation-delay: 0s; }
.t2 { animation-delay: 0.2s; }
.t3 { animation-delay: 0.4s; }

.floating-products {
    position: absolute;
    top: 30px;
    right: 40px;
}

.float-item {
    position: absolute;
    width: 30px;
    height: 30px;
    background: rgba(240, 208, 96, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 0.8rem;
    animation: floatItem 3s ease-in-out infinite;
}

.fi1 { top: 0; left: 0; }
.fi2 { top: 20px; left: 30px; animation-delay: 1s; }
.fi3 { top: -10px; left: 40px; animation-delay: 2s; }

/* 教育可视化 - 学校与学习 */
.school-scene {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 30px;
}

.school-building {
    position: relative;
    width: 140px;
    height: 160px;
}

.school-roof {
    width: 100%;
    height: 35px;
    background: var(--accent-primary);
    clip-path: polygon(0 100%, 20% 0, 80% 0, 100% 100%);
    position: relative;
}

.school-roof::after {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--bg-primary);
    clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

.school-body {
    width: 100%;
    height: 125px;
    background: linear-gradient(180deg, #f5f5f5 0%, #e0e0e0 100%);
    display: flex;
    flex-direction: column;
}

.school-entrance {
    height: 35px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
}

.doorway {
    width: 30px;
    height: 25px;
    background: var(--墨蓝-dark);
    border-radius: 15px 15px 0 0;
}

.steps {
    width: 40px;
    height: 5px;
    background: #ccc;
}

.school-columns {
    height: 40px;
    display: flex;
    justify-content: space-around;
    padding: 0 15px;
}

.column {
    width: 12px;
    height: 100%;
    background: #f5f5f5;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
}

.school-windows {
    flex: 1;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 20px;
}

.s-window {
    width: 25px;
    height: 30px;
    background: rgba(240, 208, 96, 0.4);
    border-radius: 2px;
    animation: windowGlow 2s ease-in-out infinite;
}

.sw1 { animation-delay: 0s; }
.sw2 { animation-delay: 0.7s; }
.sw3 { animation-delay: 1.4s; }

.school-flag {
    position: absolute;
    top: -30px;
    right: 20px;
    width: 3px;
    height: 30px;
    background: #666;
}

.school-flag::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 12px;
    background: var(--accent-primary);
    animation: flagWave 1s ease-in-out infinite;
}

.learning-elements {
    position: absolute;
    top: 40px;
    right: 30px;
}

.book-animated, .lightbulb {
    position: absolute;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.2rem;
    animation: learnFloat 3s ease-in-out infinite;
}

.ba1 { top: 0; left: 0; }
.ba2 { top: 30px; left: 30px; animation-delay: 1s; }
.lightbulb {
    top: -20px;
    left: 40px;
    animation-delay: 2s;
    color: #ffd700;
}

.knowledge-particles {
    position: absolute;
    top: 50%;
    left: 20px;
}

.sparkle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: sparkle 2s ease-in-out infinite;
}

.sp1 { top: 0; left: 0; }
.sp2 { top: 20px; left: 20px; animation-delay: 0.5s; }
.sp3 { top: -10px; left: 30px; animation-delay: 1s; }

/* 动画关键帧 */
@keyframes windowFlicker {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

@keyframes antennaPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes streamFlow {
    0% { transform: translateY(0); opacity: 0.6; }
    100% { transform: translateY(60px); opacity: 0; }
}

@keyframes numberFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes robotMove {
    0%, 100% { transform: translateX(-50%) rotate(0deg); }
    25% { transform: translateX(-50%) rotate(10deg); }
    75% { transform: translateX(-50%) rotate(-10deg); }
}

@keyframes armSwing1 {
    0%, 100% { transform: rotate(-30deg); }
    50% { transform: rotate(-45deg); }
}

@keyframes armSwing2 {
    0%, 100% { transform: rotate(60deg); }
    50% { transform: rotate(80deg); }
}

@keyframes beltMove {
    0% { background-position: 0 0; }
    100% { background-position: 20px 0; }
}

@keyframes productMove {
    0% { left: -5%; opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { left: 105%; opacity: 0; }
}

@keyframes productBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes cartBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes trailFade {
    0% { opacity: 0.8; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(-10px); }
}

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

@keyframes windowGlow {
    0%, 100% { background: rgba(240, 208, 96, 0.3); }
    50% { background: rgba(240, 208, 96, 0.6); }
}

@keyframes flagWave {
    0%, 100% { transform: skewY(0deg); }
    25% { transform: skewY(-5deg); }
    75% { transform: skewY(5deg); }
}

@keyframes learnFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-8px) scale(1.1); }
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

/* ========================================
   应用案例
   ======================================== */
.cases-carousel {
    overflow: hidden;
    margin: 0 -20px;
    padding: 0 20px;
}

.cases-track {
    display: flex;
    gap: 32px;
    transition: transform 0.5s ease;
}

.case-card {
    flex: 0 0 calc(25% - 24px);
    min-width: 300px;
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.case-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-8px);
}

.case-image {
    height: 180px;
}

.case-img {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-overlay {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.case-content {
    padding: 24px;
}

.case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 12px;
}

.case-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.case-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-metrics {
    display: flex;
    gap: 24px;
}

.metric {
    display: flex;
    flex-direction: column;
}

.m-value {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.m-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cases-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 48px;
}

.nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-medium);
}

.nav-btn:hover {
    border-color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.dot.active {
    background: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* ========================================
   新闻动态
   ======================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.news-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
}

.news-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.news-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.news-image {
    height: 200px;
    position: relative;
}

.news-card.featured .news-image {
    height: 300px;
}

.news-img {
    width: 100%;
    height: 100%;
}

.news-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: #ef4444;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.news-content {
    padding: 24px;
}

.news-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: block;
}

.news-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-card.featured .news-content h3 {
    font-size: 1.4rem;
}

.news-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.read-more:hover {
    gap: 12px;
}

/* ========================================
   联系我们
   ======================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    background: var(--bg-card);
    border-radius: 24px;
    padding: 60px;
    border: 1px solid var(--border-color);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.info-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 16px;
    font-size: 1.3rem;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.info-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.social-links a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: var(--transition-medium);
}

.social-links a:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(0, 212, 255, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.form-header {
    margin-bottom: 32px;
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236a6a7a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 18px 32px;
    font-size: 1.05rem;
}

/* ========================================
   页脚
   ======================================== */
.footer {
    position: relative;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 80px;
}

.footer-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    color: var(--bg-secondary);
    transform: translateY(-99%);
}

.footer-wave svg {
    width: 100%;
    height: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
    padding: 60px 0;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 20px;
    max-width: 300px;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.link-group h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.link-group ul {
    list-style: none;
}

.link-group li {
    margin-bottom: 12px;
}

.link-group a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.link-group a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes pulse {

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

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@keyframes corePulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 60px var(--accent-glow), 0 0 120px rgba(124, 58, 237, 0.3);
    }

    50% {
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 0 80px var(--accent-glow), 0 0 160px rgba(124, 58, 237, 0.4);
    }
}

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

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

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateY(0);
    }

    100% {
        opacity: 0;
        transform: translateY(12px);
    }
}

@keyframes neuronPulse {

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

    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

@keyframes lineDraw {

    0%,
    100% {
        stroke-dashoffset: 0;
    }

    50% {
        stroke-dashoffset: 50;
    }
}

@keyframes docFloat {

    0%,
    100% {
        transform: translateY(0) rotate(var(--rotation, 0deg));
    }

    50% {
        transform: translateY(-10px) rotate(var(--rotation, 0deg));
    }
}

@keyframes barGrow {
    from {
        transform: scaleY(0);
    }

    to {
        transform: scaleY(1);
    }
}

@keyframes flowMove {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(100%);
    }
}

@keyframes dotMove {
    from {
        left: 0;
        opacity: 1;
    }

    to {
        left: 100%;
        opacity: 0;
    }
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }

    .hero-visual {
        right: -200px;
        width: 500px;
        height: 500px;
    }

    .tech-orb {
        width: 300px;
        height: 300px;
    }

    .products-grid {
        gap: 24px;
    }

    .product-card {
        padding: 32px;
    }

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

    .news-card.featured {
        grid-column: span 2;
    }
}

@media (max-width: 992px) {
    .nav-list {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-medium);
    }

    .nav-list.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }

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

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

    .hero-visual {
        display: none;
    }

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

    .about-image {
        order: -1;
        display: flex;
        justify-content: center;
    }

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

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

    .solution-panel {
        grid-template-columns: 1fr;
    }

    .solution-visual {
        display: none;
    }

    .case-card {
        flex: 0 0 calc(50% - 16px);
    }

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

    .news-card.featured {
        grid-column: span 1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

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

    .solutions-tabs {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
        justify-content: center;
    }

    .case-card {
        flex: 0 0 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .btn {
        padding: 14px 24px;
    }

    .product-card {
        padding: 24px;
    }

    .contact-wrapper {
        padding: 24px;
    }
}