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

:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(79, 70, 229, 0.3);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-cyber: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 50%, #ff00c8 100%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: 1px solid rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
    overflow-anchor: none;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
    overflow-anchor: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.logo {
    width: 40px;
    height: 40px;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

/* 移动端菜单按钮 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
    display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 9px);
}

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

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

/* ===== 主横幅 ===== */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #667eea 100%);
    background-size: 200% 200%;
    animation: gradientBG 20s ease infinite;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 几何图案背景 - 隐藏 */
/* 浮动模糊色块 */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-shapes .shape {
    position: absolute;
    border-radius: 50%;
}

/* ========== 固定弧块装饰 ========== */
/* 左上大弧 */
.shape-1 {
    top: -15%;
    left: -8%;
    width: 380px;
    height: 380px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 0 0 100% 0;
}

.shape-1::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: 0 0 100% 0;
}

/* 右下大弧 */
.shape-2 {
    bottom: -18%;
    right: -10%;
    width: 420px;
    height: 420px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 100% 0 0 0;
}

.shape-2::before {
    content: '';
    position: absolute;
    bottom: 25px;
    right: 25px;
    left: -25px;
    top: -25px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 100% 0 0 0;
}

/* ========== 浮动模糊色块 ========== */
/* 左侧模糊光晕 - 粉紫 */
.shape-3 {
    top: 10%;
    left: 5%;
    width: 45%;
    height: 60%;
    background: radial-gradient(ellipse at 30% 40%, rgba(236, 72, 153, 0.25) 0%, transparent 55%);
    filter: blur(60px);
}

/* 右侧模糊光晕 - 青蓝 */
.shape-4 {
    top: 5%;
    right: 0;
    width: 50%;
    height: 70%;
    background: radial-gradient(ellipse at 70% 30%, rgba(6, 182, 212, 0.22) 0%, transparent 50%);
    filter: blur(70px);
}

/* 左下模糊 - 深紫 */
.shape-5 {
    bottom: 0;
    left: 10%;
    width: 40%;
    height: 50%;
    background: radial-gradient(ellipse at 40% 70%, rgba(109, 40, 217, 0.2) 0%, transparent 50%);
    filter: blur(55px);
}

/* 右下模糊 - 暖橙 */
.shape-6 {
    bottom: 5%;
    right: 15%;
    width: 35%;
    height: 45%;
    background: radial-gradient(ellipse at 60% 60%, rgba(251, 146, 60, 0.18) 0%, transparent 50%);
    filter: blur(50px);
}

/* 中间白色光晕 */
.shape-7 {
    top: 35%;
    left: 30%;
    width: 40%;
    height: 35%;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.12) 0%, transparent 50%);
    filter: blur(40px);
}

@keyframes gradientBG {
    0% {
        background-position: 0% 0%;
    }
    50% {
        background-position: 100% 100%;
    }
    100% {
        background-position: 0% 0%;
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    filter: blur(40px);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    filter: blur(40px);
}

@keyframes float {

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

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 15px;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

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

.hero-buttons .btn {
    min-width: 200px;
}

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

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===== 视频演示 ===== */
.video-demo {
    padding: 60px 0 0;
    background: white;
}

.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.video-placeholder {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.play-button svg {
    width: 32px;
    height: 32px;
    fill: white;
    margin-left: 4px;
    /* Visual correction for play icon */
}

.video-placeholder p {
    font-size: 1.2rem;
    font-weight: 500;
    opacity: 0.9;
}

/* ===== 已集成软件展示横幅 ===== */
.integrated-apps-banner {
    padding: 50px 0;
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.banner-label {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.apps-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 80px;
    flex-wrap: wrap;
}

.app-logo-item {
    text-align: center;
    transition: all 0.3s ease;
}

/* Removed hover effects to avoid misleading interactivity */

.logo-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    /* stroke & fill removed to support official colored SVGs */
}

.logo-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.logo-desc {
    font-size: 0.9rem;
    color: var(--text-light);
}

.banner-note {
    text-align: center;
    margin-top: 30px;
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 500;
    padding: 15px 30px;
    background: rgba(79, 70, 229, 0.1);
    border-radius: 25px;
    display: inline-block;
    margin-left: 50%;
    transform: translateX(-50%);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    z-index: -1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

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

.partner .btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-download {
    position: relative;
    overflow: hidden;
}

.btn-download::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-download:hover::before {
    width: 300px;
    height: 300px;
}

.icon-download {
    width: 20px;
    height: 20px;
}

/* ===== 区块标题 ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 60px;
}

/* ===== 功能特性 ===== */
.features {
    padding: 80px 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.features::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.feature-card.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    box-shadow: 0 10px 20px rgba(118, 75, 162, 0.3);
}

.feature-card.highlight h3,
.feature-card.highlight p {
    color: white;
}

/* Removed hover effects to avoid misleading interactivity */

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    stroke: var(--primary-color);
    stroke-width: 1.5;
    fill: none;
}

.feature-card.highlight .feature-icon {
    stroke: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 集成应用 ===== */
.apps {
    padding: 80px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.apps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -150px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.app-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    border-radius: 20px 20px 0 0;
}

.app-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.05), transparent);
}

.app-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* stroke & fill removed to support official colored SVGs */
}

.app-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.server-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.app-features {
    list-style: none;
}

.app-features li {
    padding: 8px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 25px;
}

.app-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.more-services {
    margin-top: 80px;
    text-align: center;
}

.more-services-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 40px;
    border-radius: 24px;
    color: white;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.more-services-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.more-services-content h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.more-services-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.more-services-content .btn-primary {
    background: white;
    color: var(--primary-color);
    border: none;
    font-weight: 700;
}

.more-services-content .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.icon-arrow {
    width: 20px;
    height: 20px;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

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

/* ===== 互推智能体 ===== */
.wechat-mini {
    padding: 80px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.wechat-mini::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(79, 70, 229, 0.1);
    border-radius: 50%;
}

.wechat-mini::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 10%;
    width: 120px;
    height: 120px;
    border: 2px solid rgba(6, 182, 212, 0.1);
    border-radius: 50%;
}

.wechat-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.wechat-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.wechat-feature {
    text-align: center;
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #00bfff 0%, #1e90ff 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-icon-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: 0.5s;
}

/* Removed hover effects to avoid misleading interactivity */

.feature-svg-icon {
    width: 40px;
    height: 40px;
    stroke: white;
}

.wechat-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.wechat-feature h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.wechat-feature p {
    color: var(--text-light);
    line-height: 1.6;
}

.wechat-qr {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-placeholder {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, #00bfff 0%, #1e90ff 100%);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    box-shadow: var(--shadow-xl);
}

.qr-placeholder.qr-tall {
    height: 360px;
}

.qr-svg-icon {
    width: 120px;
    height: 120px;
    stroke: white;
    margin-bottom: 20px;
}

@keyframes pulse {

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

    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.qr-icon {
    font-size: 5rem;
    margin-bottom: 20px;
}

.qr-placeholder p {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 5px 0;
}

.qr-subtitle {
    font-size: 1rem !important;
    opacity: 0.9;
}

/* ===== 服务商合作 ===== */
.partner {
    padding: 80px 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.partner::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.partner::after {
    content: '';
    position: absolute;
    bottom: 10%;
    left: -80px;
    width: 180px;
    height: 180px;
    border: 3px solid rgba(79, 70, 229, 0.08);
    border-radius: 50%;
}

.business-value {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.value-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.value-card.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.value-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    stroke: var(--text-dark);
    stroke-width: 1.5;
    fill: none;
}

.value-card.primary .value-icon {
    stroke: white;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.value-card.primary h3 {
    color: white;
}

.value-card p {
    line-height: 1.8;
    opacity: 0.95;
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.partner-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s ease;
}

/* Removed hover effects to avoid misleading interactivity */

.partner-number {
    position: absolute;
    top: -20px;
    left: 40px;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.partner-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    margin-top: 20px;
    color: var(--text-dark);
}

.partner-card ul {
    list-style: none;
}

.partner-card ul li {
    padding: 10px 0;
    color: var(--text-light);
    position: relative;
    padding-left: 25px;
    line-height: 1.6;
}

.partner-card ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.partner-cta {
    text-align: center;
    padding: 50px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.partner-cta-text {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-weight: 500;
}

.partner-contact {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.company-info {
    text-align: center;
    color: var(--text-light);
    line-height: 1.8;
}

.company-info p {
    margin: 5px 0;
}

.company-info strong {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.icon-phone {
    width: 20px;
    height: 20px;
}

/* ===== 下载区域 ===== */
.download {
    padding: 80px 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 50%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, transparent 60%);
    border-radius: 50%;
    transform: translateX(-50%);
}

.download::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.download-card-single {
    max-width: 800px;
    margin: 0 auto 80px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    padding: 60px 50px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(79, 70, 229, 0.15);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.download-card-single::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

.download-icon {
    font-size: 5rem;
    margin-bottom: 20px;
}

.download-card-single h3 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.download-desc {
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
    font-size: 1.1rem;
}

.download-includes {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-includes li {
    padding: 12px 0;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    font-size: 1.05rem;
}

.download-includes li:last-child {
    border-bottom: none;
}

.btn-xlarge {
    padding: 20px 60px;
    font-size: 1.3rem;
    width: auto;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.download-card-single .btn-primary {
    background: var(--primary-color);
    color: white;
}

.download-card-single .btn-primary:hover {
    background: var(--primary-hover);
}

/* ===== 系统要求 ===== */
.system-requirements {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.system-requirements h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text-dark);
    text-align: center;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

.requirement-item strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.requirement-item p {
    color: var(--text-light);
}

/* ===== 使用说明 ===== */
.usage {
    padding: 70px 0;
    background: white;
    position: relative;
    overflow: hidden;
}

.usage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(rgba(79, 70, 229, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

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

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed, #06b6d4, #4f46e5);
    background-size: 200% 100%;
    animation: gradientLine 3s linear infinite;
}

.footer::after {
    content: '';
    position: absolute;
    top: -150px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

@keyframes gradientLine {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

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

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.footer-bottom p {
    margin: 8px 0;
}

.icp-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-link:hover {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

.admin-link-separator {
    margin: 0 10px;
    opacity: 0.3;
}

.admin-link {
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.admin-link:hover {
    color: rgba(255, 255, 255, 0.6);
}

.phone-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.phone-link:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

/* ===== 返回顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-hover);
    transform: translateY(-5px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
    .navbar .container {
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 250px;
        height: calc(100vh - 70px);
        background: var(--gradient-primary);
        flex-direction: column;
        padding: 20px 0;
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
        z-index: 1000;
        border-radius: 0 0 0 10px;
        overflow-y: auto;
    }

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

    .nav-menu li {
        margin: 0;
        padding: 0;
    }

    .nav-menu a {
        display: block;
        padding: 15px 30px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        color: white;
    }

    .nav-menu a:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .nav-menu a::after {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

    .features-grid,
    .apps-grid,
    .usage-steps,
    .partner-grid {
        grid-template-columns: 1fr;
    }

    .download-card-single {
        padding: 40px 30px;
    }

    .btn-xlarge {
        padding: 18px 40px;
        font-size: 1.1rem;
    }

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

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

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

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

    .btn-large {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .btn-xlarge {
        padding: 16px 30px;
        font-size: 1rem;
    }

    .qr-placeholder {
        width: 220px;
        height: 220px;
    }
}

/* ===== 平滑滚动 ===== */
html {
    scroll-behavior: smooth;
}

/* ===== 选择文本颜色 ===== */
::selection {
    background: var(--primary-color);
    color: white;
}

/* ===== 官方图标样式修正 ===== */
.app-icon {
    /* 保持原有尺寸，颜色由 SVG 内联属性控制 */
    stroke: none;
    /* 移除之前的 stroke 设置 */
}

/* ===== 全新生态系统动画 ===== */
.demo-container {
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    min-height: 500px;
}

.ecosystem-scene {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 核心平台 */
.core-platform {
    position: absolute;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.core-logo {
    width: 80px;
    height: 80px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(79, 70, 229, 0.4);
    position: relative;
    z-index: 2;
}

.core-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid rgba(79, 70, 229, 0.5);
    animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

.core-label {
    margin-top: 15px;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

@keyframes pulse-ring {
    0% {
        width: 80px;
        height: 80px;
        opacity: 1;
    }

    100% {
        width: 500px;
        height: 500px;
        opacity: 0;
    }
}

/* 轨道系统 */
.orbit-ring {
    position: absolute;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate-orbit linear infinite;
}

.ring-inner {
    width: 260px;
    height: 260px;
    animation-duration: 20s;
}

.ring-middle {
    width: 360px;
    height: 360px;
    animation-duration: 30s;
    animation-direction: reverse;
}

.ring-outer {
    width: 500px;
    height: 500px;
    animation-duration: 40s;
}

@keyframes rotate-orbit {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* 行星元素 (内环) */
.planet {
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: counter-rotate 20s linear infinite;
}

.planet svg {
    width: 24px;
    height: 24px;
}

.planet-tailscale {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #1e293b;
}

.planet-rustdesk {
    bottom: 25%;
    right: 6%;
    transform: translate(50%, 50%);
    background: #e54b4b;
}

.planet-bitwarden {
    bottom: 25%;
    left: 6%;
    transform: translate(-50%, 50%);
    background: #175ddc;
}

.planet-wty {
    top: 15%;
    right: 15%;
    background: transparent;
    box-shadow: none;
    animation: counter-rotate 40s linear infinite;
}

/* 卫星元素 (中环) */
.satellite {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    padding: 8px 16px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: counter-rotate 40s linear infinite;
}

.sat-remote {
    top: 15%;
    left: 15%;
}

.sat-support {
    bottom: 15%;
    right: 15%;
}

.sat-mobile {
    bottom: 15%;
    left: 15%;
}

/* 小行星 (外环) */
.asteroid {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: counter-rotate 40s linear infinite;
}

.ast-oa {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ast-erp {
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
}

.ast-crm {
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%);
}

.ast-more {
    top: 50%;
    left: 0;
    transform: translate(-50%, -50%);
}

@keyframes counter-rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(-360deg);
    }
}

.scene-caption {
    position: absolute;
    bottom: -40px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* ===== 增强版 CTA (联系方式) ===== */
.enhanced-cta {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
    color: white !important;
    padding: 55px 30px !important;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.enhanced-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem !important;
    margin-bottom: 12px !important;
    color: white !important;
}

.cta-desc {
    font-size: 1.05rem;
    opacity: 0.9;
    margin-bottom: 28px;
}

.contact-highlight {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 20px 30px;
    display: inline-flex;
    align-items: center;
    gap: 20px;
    height: 100px;
    box-sizing: border-box;
}

/* 联系行：热线 + 留言按钮并排 */
.contact-row {
    display: inline-flex;
    align-items: stretch;
    gap: 15px;
    margin-bottom: 35px;
}

.contact-icon-box {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.icon-phone-large {
    width: 32px;
    height: 32px;
}

.contact-details {
    text-align: left;
}

.contact-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 4px;
}

.contact-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    line-height: 1;
}

/* ===== 在线留言按钮（次要样式，与热线并排等高） ===== */
.btn-online-msg {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 100px;
    box-sizing: border-box;
}

.btn-online-msg svg {
    width: 22px;
    height: 22px;
}

.btn-online-msg:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    transform: translateY(-3px);
}

/* 中等屏幕响应式 */
@media (max-width: 768px) {
    .contact-row {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-highlight {
        height: auto;
        padding: 18px 25px;
    }
    
    .btn-online-msg {
        height: auto;
        padding: 15px 35px;
        flex-direction: row;
        gap: 10px;
    }
}

/* 小屏幕响应式 */
@media (max-width: 480px) {
    .contact-highlight {
        padding: 15px 20px;
        gap: 15px;
    }
    
    .contact-icon-box {
        width: 50px;
        height: 50px;
    }
    
    .icon-phone-large {
        width: 26px;
        height: 26px;
    }
    
    .contact-number {
        font-size: 1.4rem;
    }
    
    .contact-label {
        font-size: 0.8rem;
    }
}

.company-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    opacity: 0.8;
}

.company-location {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.company-location:hover {
    opacity: 1;
}

.icon-location {
    width: 16px;
    height: 16px;
}

.map-hint {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-left: 5px;
    transition: all 0.3s ease;
}

.company-location:hover .map-hint {
    opacity: 1;
    margin-left: 8px;
}

.icon-building {
    width: 16px;
    height: 16px;
}

/* ===== 简洁联系模块 ===== */
.contact-simple {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.contact-phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.contact-phone-btn svg {
    width: 20px;
    height: 20px;
}

.contact-phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.contact-msg-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-msg-btn svg {
    width: 20px;
    height: 20px;
}

.contact-msg-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .demo-scene {
        transform: scale(0.8);
    }

    .enhanced-cta {
        padding: 40px 20px !important;
    }

    .contact-highlight {
        flex-direction: column;
        text-align: center;
        width: 100%;
    }

    .contact-details {
        text-align: center;
    }
}

/* 响应式适配 */
@media (max-width: 768px) {
    .demo-container {
        min-height: 400px;
        padding: 40px 20px;
    }

    .ecosystem-scene {
        transform: scale(0.6);
    }
}

/* ===== 粒子背景容器 ===== */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===== 炫酷的霓虹发光效果 ===== */
.neon-glow {
    text-shadow: 
        0 0 5px currentColor,
        0 0 10px currentColor,
        0 0 20px currentColor,
        0 0 40px currentColor;
}

.neon-border {
    box-shadow: 
        0 0 5px var(--primary-color),
        0 0 10px var(--primary-color),
        0 0 20px var(--primary-color),
        inset 0 0 5px rgba(79, 70, 229, 0.1);
}

/* ===== 3D 卡片翻转效果 ===== */
.card-3d-wrapper {
    perspective: 1000px;
}

.card-3d {
    transform-style: preserve-3d;
}

.card-3d-front,
.card-3d-back {
    backface-visibility: hidden;
}

/* ===== 浮动动画 ===== */
@keyframes float-slow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-10px) rotate(1deg); }
    50% { transform: translateY(-20px) rotate(0deg); }
    75% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.float-animation {
    animation: float-slow 6s ease-in-out infinite;
}

.float-animation-delay-1 {
    animation: float-medium 5s ease-in-out 0.5s infinite;
}

.float-animation-delay-2 {
    animation: float-medium 7s ease-in-out 1s infinite;
}

/* ===== 闪烁光效按钮 ===== */
.btn-shimmer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, 
        var(--primary-color) 0%, 
        #8b5cf6 50%, 
        var(--primary-color) 100%);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

.btn-shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shine 2s ease-in-out infinite;
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

/* ===== 打字机效果 ===== */
.typewriter {
    overflow: hidden;
    border-right: 3px solid var(--accent-color);
    white-space: nowrap;
    animation: 
        typing 3.5s steps(30, end),
        blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent-color); }
}

/* ===== 脉冲呼吸效果 ===== */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(79, 70, 229, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(79, 70, 229, 0.8), 0 0 60px rgba(79, 70, 229, 0.4);
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* ===== 统计数字动画样式 ===== */
.stat-counter {
    display: inline-block;
    min-width: 80px;
    font-variant-numeric: tabular-nums;
}

.stat-counter.counting {
    animation: countPulse 0.1s ease-out;
}

@keyframes countPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* ===== 实时统计徽章 ===== */
.live-stats-badge {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: var(--glass-border);
    border-radius: 16px;
    padding: 15px 20px;
    box-shadow: var(--shadow-lg);
    z-index: 998;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.live-stats-badge.visible {
    opacity: 1;
    transform: translateX(0);
}

.live-stats-badge .stat-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 5px 0;
    font-size: 0.9rem;
}

.live-stats-badge .stat-icon {
    width: 20px;
    height: 20px;
    stroke: var(--primary-color);
}

.live-stats-badge .stat-label {
    color: var(--text-light);
}

.live-stats-badge .stat-number {
    font-weight: 700;
    color: var(--primary-color);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: live-blink 1.5s ease-in-out infinite;
}

@keyframes live-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ===== 联系表单模态框 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 24px;
    padding: 30px;
    max-width: 450px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(90deg);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

/* ===== 表单样式 ===== */
.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-label .required {
    color: #ef4444;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
}

.form-submit {
    width: 100%;
    padding: 12px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 6px;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.form-submit .loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

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

/* ===== 成功提示 ===== */
.success-message {
    text-align: center;
    padding: 40px 20px;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.success-icon svg {
    width: 40px;
    height: 40px;
    stroke: white;
    stroke-width: 3;
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.success-desc {
    color: var(--text-light);
    margin-bottom: 30px;
}

/* ===== 滚动触发动画 ===== */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ===== 视差滚动层 ===== */
.parallax-layer {
    will-change: transform;
}

/* ===== 悬浮提示 ===== */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    padding: 8px 16px;
    background: var(--text-dark);
    color: white;
    font-size: 0.85rem;
    border-radius: 8px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-10px);
}

/* ===== 响应式补充 ===== */
@media (max-width: 768px) {
    .live-stats-badge {
        bottom: 80px;
        right: 15px;
        padding: 12px 15px;
    }
    
    .modal-content {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
}