* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --primary: #1a73e8;
    --primary-dark: #0d47a1;
    --primary-light: #4a9eff;
    --accent: #ff6f00;
    --bg: #f5f7fa;
    --bg-card: #ffffff;
    --text: #1a1a2e;
    --text-light: #555;
    --glass-bg: rgba(255,255,255,0.15);
    --glass-border: rgba(255,255,255,0.25);
    --shadow: 0 8px 32px rgba(0,0,0,0.08);
    --radius: 20px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --gradient-bg: linear-gradient(135deg, #0a0a23 0%, #1a1a4e 100%);
}
.dark-mode {
    --bg: #0d0d1a;
    --bg-card: #1a1a2e;
    --text: #e0e0e0;
    --text-light: #aaa;
    --glass-bg: rgba(255,255,255,0.05);
    --shadow: 0 8px 32px rgba(0,0,0,0.5);
    --gradient-bg: linear-gradient(135deg, #050510 0%, #12122a 100%);
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
}
a {
    color: var(--primary);
    text-decoration: none;
}
a:hover {
    color: var(--primary-light);
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: background var(--transition);
}
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    max-width: 1200px;
    margin: 0 auto;
}
.nav-logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}
.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    align-items: center;
}
.nav-links a {
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: border var(--transition), color var(--transition);
}
.nav-links a:hover, .nav-links a.active {
    border-bottom-color: var(--primary);
    color: var(--primary);
}
.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}
.dark-toggle, .search-toggle, .menu-toggle {
    background: none;
    border: none;
    color: var(--text);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: background var(--transition);
}
.dark-toggle:hover, .search-toggle:hover, .menu-toggle:hover {
    background: var(--glass-bg);
}
.menu-toggle {
    display: none;
}
@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow);
        border-radius: 0 0 var(--radius) var(--radius);
    }
    .nav-links.open {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
}
.search-modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}
.search-modal.open {
    display: flex;
}
.search-box {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow);
}
.search-box input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    font-size: 1.1rem;
    background: var(--bg);
    color: var(--text);
    outline: none;
}
.search-box input:focus {
    border-color: var(--primary);
}
.search-results {
    margin-top: 16px;
    max-height: 300px;
    overflow-y: auto;
}
.search-results a {
    display: block;
    padding: 10px;
    border-radius: 8px;
    transition: background var(--transition);
}
.search-results a:hover {
    background: var(--glass-bg);
}
.section {
    padding: 100px 0 80px;
    position: relative;
}
.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin-bottom: 40px;
}
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}
.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26,115,232,0.2) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,111,0,0.15) 0%, transparent 70%);
    bottom: -50px;
    left: -50px;
    animation: float 10s ease-in-out infinite reverse;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}
.hero-content {
    text-align: center;
    z-index: 2;
    padding: 20px;
}
.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.hero p {
    font-size: 1.3rem;
    color: rgba(255,255,255,0.8);
    max-width: 700px;
    margin: 0 auto 30px;
}
.hero-btn {
    display: inline-block;
    padding: 16px 48px;
    background: var(--primary);
    color: white;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 8px 30px rgba(26,115,232,0.4);
}
.hero-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(26,115,232,0.6);
}
.banner-carousel {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 40px auto 0;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.banner-slide {
    display: none;
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--gradient-bg);
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: 600;
}
.banner-slide.active {
    display: flex;
}
.banner-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 16px;
}
.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: background var(--transition);
}
.banner-dot.active {
    background: var(--primary);
}
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .hero h1 { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
}
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--glass-border);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
}
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 30px;
    transition: transform var(--transition);
}
.glass-card:hover {
    transform: scale(1.02);
}
.svg-icon {
    width: 48px;
    height: 48px;
    fill: var(--primary);
    margin-bottom: 16px;
}
.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
}
.faq-item {
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 0;
    cursor: pointer;
}
.faq-question {
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--text-light);
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding-top: 12px;
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition), transform var(--transition);
    z-index: 999;
}
.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}
footer {
    background: var(--gradient-bg);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 30px;
}
footer a {
    color: rgba(255,255,255,0.7);
}
footer a:hover {
    color: white;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 0.9rem;
    padding: 12px 0;
    color: var(--text-light);
}
.breadcrumb a {
    color: var(--primary);
}
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}
.bg-gradient-section {
    background: var(--gradient-bg);
    color: white;
}
.bg-gradient-section .section-title {
    -webkit-text-fill-color: white;
    background: none;
}
.bg-gradient-section .card {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    color: white;
}
.team-img {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    background: var(--gradient-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin-bottom: 16px;
}
.partner-logo {
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border-radius: 12px;
    padding: 10px 20px;
    font-weight: 600;
    color: var(--text-light);
}
.news-card {
    display: flex;
    flex-direction: column;
}
.news-card .date {
    font-size: 0.85rem;
    color: var(--text-light);
}
.related-articles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}
@media (max-width: 768px) {
    .related-articles {
        grid-template-columns: 1fr;
    }
}
.schema-hidden {
    display: none;
}