:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #06b6d4;
    --secondary-dark: #0891b2;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #eff6ff;
    --light-blue: #dbeafe;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
    --gradient-hero: linear-gradient(180deg, #eff6ff 0%, #dbeafe 50%, #ffffff 100%);
    --shadow-sm: 0 1px 2px rgba(59, 130, 246, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(59, 130, 246, 0.1), 0 2px 4px -2px rgba(59, 130, 246, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(59, 130, 246, 0.1), 0 4px 6px -4px rgba(59, 130, 246, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(59, 130, 246, 0.15), 0 8px 10px -6px rgba(59, 130, 246, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    overflow: hidden; /* 防止图片溢出 */
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 保持比例缩放，不会变形 */
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.25) 0%, transparent 50%);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-large {
    padding: 16px 40px;
    font-size: 17px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
}

.hero {
    padding: 140px 0 100px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    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='%233b82f6' fill-opacity='0.08'%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");
    opacity: 0.6;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.12);
    border-radius: 50px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    color: var(--dark);
    margin-bottom: 24px;
}

.hero h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(0,0,0,0.08);
}

.hero-stat h3 {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
}

.hero-stat p {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 0;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image {
    width: 100%;
    max-width: 520px;
    height: 420px;
    background: var(--gradient-primary);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.hero-cards {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 80%;
}

.hero-card {
    background: rgba(255,255,255,0.95);
    padding: 20px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    transform-origin: left center;
}

.hero-card:hover {
    transform: translateX(8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.hero-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.hero-card:nth-child(1) .hero-card-icon {
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    color: white;
}

.hero-card:nth-child(2) .hero-card-icon {
    background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%);
    color: white;
}

.hero-card:nth-child(3) .hero-card-icon {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: white;
}

.hero-card-content h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.hero-card-content p {
    font-size: 13px;
    color: var(--gray);
    margin-bottom: 0;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.12);
    border-radius: 50px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-desc {
    font-size: 17px;
    color: var(--gray);
    line-height: 1.7;
}

.features {
    background: var(--light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    transition: transform 0.3s ease;
}

.feature-card:nth-child(1) .feature-icon {
    background: rgba(59, 130, 246, 0.12);
    color: var(--primary);
}

.feature-card:nth-child(2) .feature-icon {
    background: rgba(6, 182, 212, 0.12);
    color: var(--secondary);
}

.feature-card:nth-child(3) .feature-icon {
    background: rgba(20, 184, 166, 0.12);
    color: #14b8a6;
}

.feature-card:nth-child(4) .feature-icon {
    background: rgba(96, 165, 250, 0.12);
    color: var(--primary-light);
}

.feature-card:nth-child(5) .feature-icon {
    background: rgba(6, 182, 212, 0.12);
    color: var(--secondary);
}

.feature-card:nth-child(6) .feature-icon {
    background: rgba(20, 184, 166, 0.12);
    color: #14b8a6;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

.product-showcase {
    background: linear-gradient(180deg, #ffffff 0%, #f0f9ff 100%);
    position: relative;
    overflow: hidden;
}

.product-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.product-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--white);
    border: 2px solid transparent;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 15px;
    font-weight: 600;
    color: var(--gray);
    box-shadow: var(--shadow-sm);
}

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

.product-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.tab-icon {
    font-size: 20px;
}

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

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-visual {
    position: relative;
    height: 420px;
}

.panel-main-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 340px;
    height: 420px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.panel-main-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.panel-main-img:hover img {
    transform: scale(1.05);
}

.img-overlay {
    display: none;
}

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

.overlay-stat .stat-num {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.overlay-stat .stat-label {
    font-size: 12px;
    color: var(--gray);
    font-weight: 500;
}

.panel-float-card {
    position: absolute;
    background: var(--white);
    padding: 16px 20px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 3;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.panel-float-card.card-1 {
    top: 30px;
    left: 0;
    animation: float-orig 3s ease-in-out infinite;
    animation-delay: 0s;
}

.panel-float-card.card-1.switched {
    top: 30px;
    right: 0;
    left: auto;
    animation: none;
}

.panel-float-card.card-2 {
    bottom: 40px;
    right: 0;
    animation: float-orig 3s ease-in-out infinite;
    animation-delay: 1.5s;
}

.panel-float-card.card-2.switched {
    bottom: 40px;
    left: 0;
    right: auto;
    animation: none;
}

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

.float-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.float-info h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
    padding-right: 30px;
}

.float-info p {
    font-size: 12px;
    color: var(--gray);
    margin: 0;
    padding-right: 30px;
}

.float-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: var(--gray-light);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.panel-float-card:hover .float-arrow {
    opacity: 1;
    color: var(--primary);
}

.panel-float-card.switched .float-arrow {
    transform: translateY(-50%) scaleX(-1);
}

.panel-info {
    padding: 20px 0;
}

.panel-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 50px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.panel-info h3 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.panel-desc {
    font-size: 17px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 32px;
}

.panel-features {
    list-style: none;
    margin-bottom: 36px;
}

.panel-features li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    font-size: 16px;
    color: var(--dark);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.feature-check {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.features-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    padding: 20px 0;
}

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

@keyframes pulse-glow {
    0%, 100% { 
        box-shadow: 0 12px 35px rgba(59, 130, 246, 0.4);
    }
    50% { 
        box-shadow: 0 12px 50px rgba(59, 130, 246, 0.6),
                    0 0 30px rgba(59, 130, 246, 0.3);
    }
}

@keyframes icon-spin {
    0% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.1) rotate(5deg); }
    50% { transform: scale(1.05) rotate(-3deg); }
    75% { transform: scale(1.1) rotate(2deg); }
    100% { transform: scale(1.1) rotate(0deg); }
}

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

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

.showcase-card {
    background: transparent;
    padding: 40px 32px;
    border-radius: 28px;
    text-align: center;
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    border: none;
}

.showcase-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: radial-gradient(
        circle,
        rgba(59, 130, 246, 0.15) 0%,
        rgba(6, 182, 212, 0.1) 40%,
        transparent 70%
    );
    border-radius: 50%;
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.showcase-card:hover::before {
    width: 300%;
    height: 300%;
}

.showcase-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 70%;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 0 0 20px 20px;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-origin: center;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

.showcase-card:hover::after {
    transform: translateX(-50%) scaleX(1);
    animation: gradient-shine 2s ease-in-out infinite;
}

@keyframes gradient-shine {
    0%, 100% { 
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
    }
    50% { 
        box-shadow: 0 0 30px rgba(59, 130, 246, 0.8), 0 0 50px rgba(6, 182, 212, 0.5);
    }
}

.showcase-card:hover {
    transform: translateY(-20px) scale(1.02);
    animation: float-gentle 2.5s ease-in-out infinite;
}

@keyframes float-gentle {
    0%, 100% { 
        transform: translateY(-20px) scale(1.02);
    }
    50% { 
        transform: translateY(-28px) scale(1.02);
    }
}

@keyframes float-bounce {
    0%, 100% { 
        transform: translateY(-20px) scale(1.02);
    }
    25% { 
        transform: translateY(-26px) scale(1.03);
    }
    50% { 
        transform: translateY(-18px) scale(1.02);
    }
    75% { 
        transform: translateY(-24px) scale(1.025);
    }
}

.showcase-icon {
    width: 96px;
    height: 96px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-radius: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 2;
}

.showcase-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: -1;
}

.showcase-card:hover .showcase-icon {
    transform: scale(1.15) translateY(-8px);
    color: white;
}

.showcase-card:hover .showcase-icon::before {
    opacity: 1;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4);
}

.showcase-icon svg {
    width: 40px;
    height: 40px;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.showcase-card:hover .showcase-icon svg {
    transform: scale(1.15);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
}

.showcase-content {
    position: relative;
    z-index: 2;
}

.showcase-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.8) 0%, rgba(6, 182, 212, 0.6) 100%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.5s ease;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
}

.showcase-card:hover .particle {
    opacity: 1;
}

.particle:nth-child(1) { top: 25%; left: 20%; animation: particle-float 3s ease-in-out infinite; }
.particle:nth-child(2) { top: 65%; right: 18%; animation: particle-float 3s ease-in-out infinite 0.5s; }
.particle:nth-child(3) { bottom: 35%; left: 28%; animation: particle-float 3s ease-in-out infinite 1s; }
.particle:nth-child(4) { top: 45%; right: 32%; animation: particle-float 3s ease-in-out infinite 1.5s; }

@keyframes particle-float {
    0% { 
        transform: translateY(0) scale(1); 
        opacity: 0; 
    }
    15% { 
        opacity: 1; 
    }
    85% { 
        opacity: 1; 
    }
    100% { 
        transform: translateY(-40px) scale(0.3); 
        opacity: 0; 
    }
}

.showcase-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 14px;
    background: linear-gradient(135deg, var(--dark) 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    transform: translateY(0);
}

.showcase-card:hover .showcase-content h3 {
    transform: translateY(-6px);
    font-size: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.showcase-content p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    margin: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    opacity: 1;
    transform: translateY(0);
}

.showcase-card:hover .showcase-content p {
    color: var(--gray-light);
    transform: translateY(-4px);
    opacity: 0.9;
}

.product-features {
    padding: 80px 0;
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 100%);
}



.stats {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 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='0.1'%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");
}

.stats .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.stat-number {
    font-size: 52px;
    font-weight: 800;
    color: white;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.team {
    background: linear-gradient(180deg, var(--light) 0%, var(--white) 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.team-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all 0.3s ease;
    text-align: center;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.team-card:hover .team-social {
    opacity: 1;
    transform: translateY(0);
}

.team-avatar {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background: var(--light);
}

.team-avatar img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.team-card:hover .team-avatar img {
    transform: scale(1.1);
}

.team-social {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    transition: all 0.2s ease;
}

.social-icon:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.team-info {
    padding: 24px;
}

.team-info h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.team-role {
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.team-bio {
    font-size: 13px;
    line-height: 1.6;
    color: var(--gray);
}

.cta {
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.35) 0%, transparent 70%);
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.25) 0%, transparent 70%);
}

.cta .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta h2 {
    font-size: 44px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-white {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

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

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

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 52px;
    height: 52px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.footer {
    background: var(--dark);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin-top: 20px;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 24px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-links a {
    font-size: 15px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: white;
}

@media (max-width: 1024px) {
    .hero h1 {
        font-size: 44px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image {
        max-width: 100%;
        height: 320px;
    }

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

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

    .product-tab {
        padding: 12px 20px;
        font-size: 14px;
    }

    .product-panel {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .panel-visual {
        height: 300px;
    }

    .panel-main-img {
        width: 260px;
        height: 320px;
    }

    .panel-info h3 {
        font-size: 28px;
    }

    .panel-desc {
        font-size: 15px;
    }

    .features-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

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

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

@media (max-width: 768px) {
    .header .container {
        height: 64px;
    }

    .nav-links {
        display: none;
    }

    .nav .btn {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .mobile-menu {
        position: fixed;
        top: 64px;
        left: 16px;
        right: 16px;
        background: white;
        padding: 24px;
        box-shadow: var(--shadow-xl);
        border-radius: 20px;
        transform: translateY(-20px) scale(0.95);
        opacity: 0;
        pointer-events: none;
        z-index: 999;
        transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        display: block;
    }

    .mobile-menu.active {
        transform: translateY(0) scale(1);
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-menu ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .mobile-menu li {
        margin: 4px 0;
    }

    .mobile-menu a {
        display: block;
        font-size: 18px;
        color: var(--dark);
        text-decoration: none;
        font-weight: 500;
        padding: 12px 16px;
        border-radius: 12px;
        transition: all 0.25s ease;
    }

    .mobile-menu a:hover {
        background: rgba(99, 102, 241, 0.08);
        color: var(--primary);
    }

    .mobile-menu .btn {
        width: 100%;
        margin-top: 12px;
        padding: 14px 24px;
        display: flex;
        font-size: 16px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 16px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 32px;
    }

    .hero-stat {
        flex: 1;
        min-width: 120px;
    }

    .hero-stat h3 {
        font-size: 28px;
    }

    .hero-image {
        height: 280px;
    }

    .hero-cards {
        gap: 12px;
    }

    .hero-card {
        padding: 16px;
        border-radius: 20px;
    }

    .hero-card-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .hero-card-content h4 {
        font-size: 13px;
    }

    .hero-card-content p {
        font-size: 11px;
    }

    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 32px;
    }

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

    .product-tabs {
        gap: 8px;
    }

    .product-tab {
        padding: 10px 16px;
        font-size: 13px;
    }

    .tab-icon {
        font-size: 16px;
    }

    .product-panel {
        gap: 32px;
    }

    .panel-visual {
        height: 260px;
    }

    .panel-main-img {
        width: 220px;
        height: 280px;
    }

    .panel-float-card {
        padding: 12px 16px;
    }

    .panel-float-card.card-1 {
        top: 10px;
        left: 0;
    }

    .panel-float-card.card-2 {
        bottom: 10px;
        right: 0;
    }

    .float-avatar, .float-icon {
        width: 40px;
        height: 40px;
    }

    .panel-info h3 {
        font-size: 24px;
    }

    .panel-desc {
        font-size: 14px;
    }

    .panel-features li {
        font-size: 14px;
        padding: 10px 0;
    }

    .feature-check {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }

    .features-showcase {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .showcase-card {
        padding: 28px 20px;
    }

    .showcase-icon {
        width: 64px;
        height: 64px;
    }

    .showcase-icon svg {
        width: 28px;
        height: 28px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .stat-number {
        font-size: 40px;
    }

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

    .cta h2 {
        font-size: 32px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 30px;
    }

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

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-image {
        height: 240px;
        display: none;
    }

    .hero-cards {
        display: none;
    }

    .section-title {
        font-size: 28px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 14px;
    }

    .product-tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .product-tab {
        padding: 12px 16px;
        gap: 6px;
    }

    .tab-icon {
        font-size: 18px;
    }

    .tab-text {
        font-size: 13px;
    }

    .product-panel {
        flex-direction: column;
        gap: 45px;
    }

    .panel-visual {
        height: auto;
        min-height: 280px;
    }

    .panel-main-img {
        width: 240px;
        height: 320px;
    }

    .panel-float-card {
        position: absolute;
        background: var(--white);
        padding: 10px 14px;
        border-radius: 12px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        display: flex;
        align-items: center;
        gap: 10px;
        z-index: 3;
        cursor: pointer;
        transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    .panel-float-card.card-1 {
        top: 10px;
        left: 10px;
    }

    .panel-float-card.card-1.switched {
        top: 10px;
        right: 10px;
        left: auto;
    }

    .panel-float-card.card-2 {
        bottom: 10px;
        right: 10px;
    }

    .panel-float-card.card-2.switched {
        bottom: 10px;
        left: 10px;
        right: auto;
    }

    .float-arrow {
        position: absolute;
        right: 8px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 14px;
        color: var(--gray-light);
        opacity: 0.6;
        transition: all 0.3s ease;
    }

    .panel-float-card.card-1 .float-arrow {
        right: 10px;
    }

    .panel-float-card.card-2 .float-arrow {
        right: 10px;
    }

    .panel-float-card:hover .float-arrow {
        opacity: 1;
        color: var(--primary);
    }

    .panel-float-card.switched .float-arrow {
        transform: translateY(-50%) scaleX(-1);
    }

    .float-avatar, .float-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
    }

    .float-info h4 {
        font-size: 13px;
        font-weight: 600;
        color: var(--dark);
        margin: 0;
        padding-right: 20px;
    }

    .float-info p {
        font-size: 11px;
        color: var(--gray);
        margin: 2px 0 0;
        padding-right: 20px;
    }

    .panel-info {
        text-align: center;
        padding: 0;
    }

    .panel-info h3 {
        font-size: 22px;
    }

    .panel-desc {
        font-size: 14px;
        line-height: 1.6;
    }

    .panel-features {
        text-align: center;
        margin-top: 20px;
    }

    .panel-features li {
        font-size: 14px;
        padding: 8px 0;
        justify-content: center;
    }

    .feature-check {
        width: 22px;
        height: 22px;
        font-size: 12px;
    }

    .features-showcase {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .showcase-card {
        padding: 24px 20px;
    }

    .showcase-icon {
        width: 60px;
        height: 60px;
    }

    .showcase-icon svg {
        width: 26px;
        height: 26px;
    }

    .showcase-content h3 {
        font-size: 18px;
    }

    .showcase-content p {
        font-size: 14px;
    }
}