/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #f59e0b;
    --accent-color: #8b5cf6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --gradient-animated: linear-gradient(45deg, #2563eb, #8b5cf6, #2563eb);
    --glow-blue: 0 0 20px rgba(37, 99, 235, 0.5);
    --glow-purple: 0 0 30px rgba(139, 92, 246, 0.4);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* 自定义光标 */
.cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease, background 0.2s ease;
    mix-blend-mode: difference;
}

.cursor-follower {
    width: 40px;
    height: 40px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.3s ease;
}

.cursor.hover {
    transform: scale(1.5);
    background: var(--primary-color);
}

/* 粒子画布 */
.particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background:#fff;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 20px;
    position: relative;
    overflow: hidden;
}

.logo-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(0.8); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 100%;
}

/* 语言切换器 */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 20px;
}

.lang-btn {
    background: transparent;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.lang-btn:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.lang-btn.active {
    color: var(--primary-color);
    font-weight: 700;
}

.lang-divider {
    color: var(--text-light);
    font-size: 12px;
}

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 100px 20px 50px;
    position: relative;
    overflow: hidden;
}

/* 3D 丝带 CV 动画 - 多条平行丝带 */
.ribbon-container {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    width: 450px;
    height: 450px;
    z-index: 1;
    pointer-events: none;
    opacity: 0.9;
}

.ribbon-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

/* 丝带组 */
.ribbon-group {
    animation: ribbon-group-float 5s ease-in-out 3s forwards;
    transform-origin: center center;
}

/* 每条丝带 */
.ribbon-band {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    opacity: 0;
}

/* 丝带1 - 最上层 */
.band-1 {
    animation: ribbon-draw-cycle 5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0s infinite;
}

/* 丝带2 - 中间层 */
.band-2 {
    animation: ribbon-draw-cycle 5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0s infinite;
}

/* 丝带3 - 最下层 */
.band-3 {
    animation: ribbon-draw-cycle 5s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0s infinite;
}

/* 丝带绘制动画 - 循环 */
@keyframes ribbon-draw {
    0% {
        stroke-dashoffset: 800;
        opacity: 0;
    }
    20% {
        opacity: 0.6;
    }
    100% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
}

/* 丝带循环绘制动画 - 5秒一个周期 */
@keyframes ribbon-draw-cycle {
    0% {
        stroke-dashoffset: 800;
        opacity: 0;
    }
    8% {
        opacity: 0.6;
    }
    40% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
    80% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        stroke-dashoffset: 800;
        opacity: 0;
    }
}

/* 丝带整体浮动 */
@keyframes ribbon-group-float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    25% {
        transform: translateY(-5px) rotate(0.3deg);
    }
    50% {
        transform: translateY(-2px) rotate(0deg);
    }
    75% {
        transform: translateY(-6px) rotate(-0.3deg);
    }
}

/* 丝带闪烁效果 */
@keyframes ribbon-shimmer {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.15);
    }
}

/* 响应式调整 - 平板 */
@media (max-width: 1200px) {
    .ribbon-container {
        width: 320px;
        height: 320px;
        right: 0%;
        top: 55%;
        z-index: 1;
    }
}

/* 响应式调整 - 小平板 */
@media (max-width: 900px) {
    .ribbon-container {
        width: 260px;
        height: 260px;
        right: -2%;
        top: 58%;
        z-index: 1;
    }
}

/* 响应式调整 - 手机 */
@media (max-width: 768px) {
    .ribbon-container {
        width: 200px;
        height: 200px;
        right: 5%;
        top: 60%;
        z-index: 1;
        opacity: 0.8;
    }
}

/* 响应式调整 - 小手机 */
@media (max-width: 480px) {
    .ribbon-container {
        width: 160px;
        height: 160px;
        right: 8%;
        top: 62%;
        z-index: 1;
        opacity: 0.7;
    }
}

/* 丝带在移动端保持显示 */

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    bottom: 20%;
    right: 10%;
    animation: float 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: #06b6d4;
    top: 50%;
    right: 30%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(10deg); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 10px 20px;
    border-radius: 50px;
    color: white;
    font-size: 14px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: badge-pulse 2s ease-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    50% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
}

.hero h1 {
    font-size: 64px;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Glitch效果 */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 2s infinite;
    color: #ff00ff;
    z-index: -1;
}

.glitch::after {
    animation: glitch-2 2s infinite;
    color: #00ffff;
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(20% 0 60% 0); transform: translate(-2px, 2px); }
    40% { clip-path: inset(40% 0 40% 0); transform: translate(2px, -2px); }
    60% { clip-path: inset(60% 0 20% 0); transform: translate(-2px, 2px); }
    80% { clip-path: inset(80% 0 0% 0); transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(60% 0 20% 0); transform: translate(2px, -2px); }
    40% { clip-path: inset(40% 0 40% 0); transform: translate(-2px, 2px); }
    60% { clip-path: inset(20% 0 60% 0); transform: translate(2px, -2px); }
    80% { clip-path: inset(0% 0 80% 0); transform: translate(-2px, 2px); }
}

.typewriter {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    margin-left: auto;
    margin-right: auto;
    max-width: 800px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.5);
}

.btn-glow {
    position: relative;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #2563eb, #8b5cf6, #2563eb);
    border-radius: 14px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    filter: blur(10px);
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn:hover .btn-icon {
    transform: translateX(5px);
}

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

/* 统计数据 */
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}

.stat-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px 40px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 32px;
    font-weight: 700;
    color: #60a5fa;
}

.stat-label {
    display: block;
    font-size: 14px;
    opacity: 0.8;
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-glow {
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover .stat-glow {
    opacity: 1;
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-radius: 13px;
    margin: 0 auto 10px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

/* 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;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 3px;
    margin-bottom: 15px;
    position: relative;
    padding: 0 20px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--primary-color);
}

.section-tag::before {
    left: -20px;
}

.section-tag::after {
    right: -20px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 900;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-light);
    font-size: 18px;
}

/* 关于我们 */
.about {
    background: var(--white);
}

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

.about-text h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon-wrap {
    position: relative;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 12px;
}

.feature-icon {
    font-size: 24px;
    z-index: 1;
}

.feature-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    border-radius: 12px;
    filter: blur(15px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-item:hover .feature-glow {
    opacity: 0.5;
}

.about-image {
    position: relative;
}

.image-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    transform-style: preserve-3d;
}

.image-placeholder {
    width: 100%;
    height: 450px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.placeholder-content {
    text-align: center;
    color: white;
}

.placeholder-icon {
    font-size: 80px;
    display: block;
    margin-bottom: 20px;
}

.card-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.image-card:hover .card-shine {
    left: 100%;
}

/* 服务 */
.services {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.services-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    transition: all 0.4s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    padding: 2px;
    background: linear-gradient(135deg, transparent, rgba(37, 99, 235, 0.3), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(37, 99, 235, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    position: relative;
}

.icon-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    border-radius: 20px;
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .icon-glow {
    opacity: 0.5;
}

.service-icon svg {
    width: 36px;
    height: 36px;
    color: white;
    z-index: 1;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.7;
}

/* 产品 */
.products {
    background: var(--white);
}

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

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    transform-style: preserve-3d;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.product-glow {
    position: absolute;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.5) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.product-icon {
    font-size: 60px;
    margin-bottom: 10px;
    z-index: 1;
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    z-index: 1;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-info p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 15px;
}

.product-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 14px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

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

/* 合作伙伴 */
.partners {
    background: var(--bg-light);
    overflow: hidden;
}

.partners-marquee {
    overflow: hidden;
    position: relative;
}

.partners-marquee::before,
.partners-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.partners-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-light), transparent);
}

.partners-marquee::after {
    right: 0;
    background: linear-gradient(-90deg, var(--bg-light), transparent);
}

.marquee-track {
    display: flex;
    gap: 40px;
    width: max-content;
    animation: marquee 20s linear infinite;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-50% - 20px)); }
}

.partner-logo {
    flex-shrink: 0;
    background: white;
    width: 160px;
    height: 100px;
    border-radius: 16px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.2);
    color: var(--primary-color);
}

/* 联系我们 */
.contact {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.contact-glow {
    position: absolute;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.contact .section-header h2,
.contact .section-header p {
    color: white;
}

.contact .section-tag {
    color: #60a5fa;
}

.contact .section-tag::before,
.contact .section-tag::after {
    background: #60a5fa;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.info-icon-wrap {
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 16px;
    flex-shrink: 0;
}

.info-icon {
    font-size: 28px;
    z-index: 1;
}

.icon-ripple {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    border: 2px solid var(--primary-color);
    animation: ripple 2s ease-out infinite;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.info-content h4 {
    font-size: 16px;
    color: white;
    margin-bottom: 5px;
}

.info-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
}

.contact-form {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 50px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

.form-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-form:hover .form-glow {
    opacity: 1;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    left: 0;
    top: 16px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    font-size: 12px;
    color: var(--primary-color);
}

.input-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

.form-group input:focus ~ .input-line,
.form-group textarea:focus ~ .input-line {
    width: 100%;
}

.btn-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 80px 0 30px;
    position: relative;
}

.footer-waves {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.footer-waves svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 80px;
    margin-bottom: 50px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    margin: 20px 0 30px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--gradient);
    transform: translateY(-3px);
}

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

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 25px;
    color: white;
    font-weight: 600;
}

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

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

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.link-hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.link-hover:hover {
    color: white;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* 滚动显示动画 */
.reveal-text {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .services-grid,
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .cursor,
    .cursor-follower {
        display: none;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links a {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        color: white;
        font-size: 16px;
        font-weight: 500;
        display: block;
        text-align: center;
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    .nav-links a:hover,
    .nav-links a.active {
        color: var(--primary-color);
        background: rgba(37, 99, 235, 0.1);
    }
    
    .lang-switcher {
        margin-left: auto;
        margin-right: 15px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .typewriter {
        white-space: normal;
        border: none;
        animation: none;
        width: 100%;
        font-size: 16px;
        padding: 0 15px;
    }
    
    .hero-stats {
        flex-direction: row !important;
        gap: 15px;
        flex-wrap: nowrap;
        justify-content: center;
    }
    
    .hero-stats .stat-item {
        flex: 1;
        min-width: 100px;
        max-width: 140px;
        padding: 20px 10px;
    }
    
    .hero-stats .stat-number {
        font-size: 32px;
    }
    
    .hero-stats .stat-label {
        font-size: 12px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 80px 0;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .contact-form {
        padding: 30px;
    }
}