.hero-visual {
    position: relative;
    height: 100vh;
    min-height: 800px;
    overflow: hidden;
}
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(1.08);
}
.hero-slide.active { opacity: 1; visibility: visible; transform: scale(1); }
.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgb(13 33 55 / 50%) 0%, rgb(26 54 93 / 50%) 45%, rgb(13 33 55 / 50%) 100%);
    z-index: 1;
}
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-wrapper {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #ffffff;
    padding: 160px 40px 0;
    max-width: 1300px;
    margin: 0 auto;
}
.hero-tagline {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 8px;
    text-transform: uppercase;
    color: #e5c784;
    margin-bottom: 36px;
    font-family: 'Georgia', serif;
}
.hero-headline {
    font-family: 'Georgia', serif;
    font-size: 62px;
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 36px;
    letter-spacing: -0.03em;
    color: #fff;
}
.hero-headline .accent { color: #d4a853; font-style: italic; }
.hero-separator {
    width: 140px;
    height: 5px;
    background: linear-gradient(90deg, transparent, #d4a853, transparent);
    margin-bottom: 40px;
}
.hero-controls {
    position: absolute;
    bottom: 56px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    z-index: 3;
}
.hero-dots { display: flex; gap: 14px; }
.hero-dot {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: all 0.5s ease;
    border: 3px solid transparent;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.hero-dot.active { background: #d4a853; width: 56px; border-radius: 9px; border-color: rgba(255,255,255,0.3); }

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

.section-advantages {
    padding: 140px 0;
    background: #ffffff;
    position: relative;
}
.section-advantages::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.3), transparent);
}
.advantages-header {
    text-align: center;
    margin-bottom: 80px;
}
.advantages-header h2 {
    font-family: 'Georgia', serif;
    font-size: 52px;
    color: #0d2137;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.advantages-header p {
    font-size: 17px;
    color: #6b7280;
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.9;
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
}
.advantage-card {
    background: #f8fafc;
    border-radius: 20px;
    padding: 44px 32px;
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1a365d, #d4a853);
    border-radius: 20px 20px 0 0;
    opacity: 0;
    transform: scaleX(0);
    transition: all 0.4s ease;
}
.advantage-card:hover {
    background: #ffffff;
    box-shadow: 0 20px 60px rgba(13, 33, 55, 0.08);
    transform: translateY(-8px);
}
.advantage-card:hover::before {
    opacity: 1;
    transform: scaleX(1);
}
.advantage-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #1a365d !important;
    background: rgba(26, 54, 93, 0.06);
    border-radius: 16px;
    transition: all 0.3s ease;
}
.advantage-card:hover .advantage-icon {
    background: rgba(212, 168, 83, 0.1);
    color: #d4a853;
    transform: scale(1.1);
}
.advantage-card h4 {
    font-family: 'Georgia', serif;
    font-size: 20px;
    color: #0d2137;
    margin-bottom: 16px;
    font-weight: 700;
}
.advantage-card p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.8;
}

.section-programs {
    padding: 140px 0;
    background: linear-gradient(180deg, #0d2137 0%, #0a1a2c 100%);
}
.programs-header {
    text-align: center;
    margin-bottom: 80px;
}
.programs-header h2 {
    font-family: 'Georgia', serif;
    font-size: 52px;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.programs-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.programs-text {
    color: rgba(255, 255, 255, 0.78);
    font-size: 16px;
    line-height: 2;
    margin-bottom: 40px;
}
.programs-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.program-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.3s ease;
}
.program-item:hover {
    background: rgba(212, 168, 83, 0.08);
    border-color: rgba(212, 168, 83, 0.2);
}
.program-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d4a853;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(212, 168, 83, 0.4);
}
.program-item p {
    color: #ffffff;
    font-size: 15px;
    font-weight: 500;
    margin: 0;
}
.programs-image {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(212, 168, 83, 0.2);
}
.programs-image img {
    width: 100%;
    height: auto;
    display: block;
}

.section-results {
    padding: 140px 0;
    background: #ffffff;
}
.results-header {
    text-align: center;
    margin-bottom: 80px;
}
.results-header h2 {
    font-family: 'Georgia', serif;
    font-size: 52px;
    color: #0d2137;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.result-card {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    aspect-ratio: 4/3;
}
.result-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.result-card:hover img {
    transform: scale(1.08);
}
.result-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(13, 33, 55, 0.1) 0%, rgba(13, 33, 55, 0.75) 100%);
    display: flex;
    align-items: flex-end;
    padding: 32px;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.result-card:hover .result-overlay {
    opacity: 1;
}
.result-card h4 {
    font-family: 'Georgia', serif;
    font-size: 18px;
    color: #ffffff;
    margin: 0;
    font-weight: 600;
}

.section-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a365d 0%, #0d2137 50%, #1a365d 100%);
    text-align: center;
    position: relative;
}
.section-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 60%);
    border-radius: 50%;
}
.section-cta h2 {
    font-family: 'Georgia', serif;
    font-size: 40px;
    color: #ffffff;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}

.section-philosophy {
    padding: 140px 0;
    background: #f8fafc;
}
.philosophy-header {
    text-align: center;
    margin-bottom: 80px;
}
.philosophy-header h2 {
    font-family: 'Georgia', serif;
    font-size: 52px;
    color: #0d2137;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.philosophy-card {
    background: #ffffff;
    padding: 48px;
    border-radius: 24px;
    box-shadow: 0 8px 30px rgba(13, 33, 55, 0.04);
    border: 1px solid #f1f5f9;
}
.philosophy-card h4 {
    font-family: 'Georgia', serif;
    font-size: 18px;
    color: #d4a853;
    margin-bottom: 20px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 700;
}
.philosophy-card p {
    font-family: 'Georgia', serif;
    font-size: 16px;
    color: #374151;
    line-height: 2;
    font-style: italic;
}

.section-testimonials {
    padding: 140px 0;
    background: #ffffff;
}
.testimonials-header {
    text-align: center;
    margin-bottom: 80px;
}
.testimonials-header h2 {
    font-family: 'Georgia', serif;
    font-size: 52px;
    color: #0d2137;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.testimonial-card {
    background: #f8fafc;
    padding: 48px 40px;
    border-radius: 24px;
    text-align: center;
    border: 1px solid #f1f5f9;
    transition: all 0.4s ease;
}
.testimonial-card:hover {
    background: #ffffff;
    box-shadow: 0 20px 50px rgba(13, 33, 55, 0.08);
}
.testimonial-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 32px;
    border: 4px solid #d4a853;
    box-shadow: 0 8px 25px rgba(212, 168, 83, 0.3);
}
.testimonial-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.testimonial-card h5 {
    font-family: 'Georgia', serif;
    font-size: 18px;
    color: #0d2137;
    margin-bottom: 8px;
    font-weight: 700;
}
.testimonial-card .position {
    font-size: 13px;
    color: #d4a853;
    margin-bottom: 28px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}
.testimonial-card q {
    font-family: 'Georgia', serif;
    font-size: 15px;
    color: #6b7280;
    line-height: 1.9;
    font-style: italic;
}

.section-news {
    padding: 140px 0;
    background: linear-gradient(180deg, #0d2137 0%, #0a1a2c 100%);
}
.news-header {
    text-align: center;
    margin-bottom: 80px;
}
.news-header h2 {
    font-family: 'Georgia', serif;
    font-size: 52px;
    color: #ffffff;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.news-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.news-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.4s ease;
}
.news-card:hover {
    border-color: rgba(212, 168, 83, 0.3);
    transform: translateY(-6px);
}
.news-image {
    height: 220px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.news-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(0deg, rgba(13, 33, 55, 0.95) 0%, transparent 100%);
}
.news-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 16px;
    background: #d4a853;
    color: #0d2137;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border-radius: 6px;
}
.news-body {
    padding: 28px;
}
.news-date {
    font-size: 12px;
    color: #d4a853;
    margin-bottom: 12px;
    letter-spacing: 0.1em;
}
.news-title {
    font-family: 'Georgia', serif;
    font-size: 17px;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.4;
    font-weight: 600;
}
.news-excerpt {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}
#loadingView {
    text-align: center;
    color: #d4a853;
    padding: 40px 0;
    font-size: 14px;
    letter-spacing: 0.1em;
}

.section-stats {
    padding: 100px 0;
    background: linear-gradient(180deg, #0a1a2c 0%, #0d2137 50%, #0a1a2c 100%);
    position: relative;
    overflow: hidden;
}
.section-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.3), transparent);
}
.section-stats::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.3), transparent);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
}
.stat-item {
    text-align: center;
    position: relative;
    padding: 24px 0;
}
.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: rgba(212, 168, 83, 0.15);
}
.stat-item:last-child::after { display: none; }
.stat-number {
    font-family: 'Georgia', serif;
    font-size: 52px;
    font-weight: 900;
    color: #d4a853;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(212, 168, 83, 0.2);
}
.stat-number .suffix {
    font-size: 28px;
    font-weight: 600;
    color: rgba(212, 168, 83, 0.8);
}
.stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 500;
    line-height: 1.6;
}

.section-whitepaper {
    padding: 100px 0;
    background: #1a1a2e;
    position: relative;
    overflow: hidden;
}
.section-whitepaper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../picture/bg-image-4.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    z-index: 0;
}
.whitepaper-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
    position: relative;
    z-index: 1;
    padding: 0 40px;
}
.whitepaper-content h3 {
    font-family: 'Georgia', serif;
    font-size: 13px;
    color: #d4a853;
    margin-bottom: 28px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 700;
}
.whitepaper-content p {
    font-family: 'Georgia', serif;
    font-size: 18px;
    color: #ffffff;
    margin-bottom: 48px;
    line-height: 1.8;
    opacity: 0.95;
}
.whitepaper-content .btn {
    padding: 14px 40px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: #1a365d;
    border-color: #1a365d;
    color: #ffffff;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.whitepaper-content .btn:hover {
    background: #2d5a8a;
    border-color: #2d5a8a;
}

.section-contact {
    padding: 140px 0;
    background: #ffffff;
}
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1100px;
    margin: 0 auto;
}
.contact-info h3 {
    font-family: 'Georgia', serif;
    font-size: 36px;
    color: #0d2137;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}
.contact-form {
    background: #f8fafc;
    padding: 18px;
    border-radius: 24px;
    border: 1px solid #f1f5f9;
}
.contact-form h3 {
    font-family: 'Georgia', serif;
    font-size: 36px;
    color: #0d2137;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}
.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 54, 93, 0.06);
    border-radius: 14px;
    font-size: 22px;
    color: #1a365d;
}
.contact-item a {
    color: #374151;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s ease;
}
.contact-item a:hover {
    color: #d4a853;
}

.site-footer {
    background: #0a1a2c;
    padding: 90px 0 36px;
    color: #ffffff;
    border-top: 8px solid #d4a853;
}
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 56px; margin-bottom: 56px; }
.footer-logo img { height: 58px; margin-bottom: 28px; }
.footer-about p { color: rgba(255, 255, 255, 0.55); line-height: 1.9; font-size: 14px; }
.footer-col h4 {
    color: #d4a853;
    margin-bottom: 28px;
    font-size: 15px;
    font-family: 'Georgia', serif;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 16px; }
.footer-col a { color: rgba(255, 255, 255, 0.55); text-decoration: none; transition: all 0.3s ease; font-size: 14px; }
.footer-col a:hover { color: #d4a853; padding-left: 8px; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 36px;
    text-align: center;
    color: rgba(255, 255, 255, 0.35);
    font-size: 13px;
}

.section-title {
    font-family: 'Georgia', serif;
    font-size: 44px;
    color: #0d2137;
    text-align: center;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
}
.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #1a365d, #d4a853);
    margin: 24px auto 0;
    border-radius: 2px;
}

@media (max-width: 767px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: rgba(13, 33, 55, 0.98);
        backdrop-filter: blur(24px);
        padding: 120px 30px 30px;
        flex-direction: column;
        gap: 0;
        z-index: 1000;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        list-style: none;
        align-items: flex-start;
    }
    .main-nav.active { display: flex; transform: translateX(0); }
    .main-nav li { text-align: left; }
    .main-nav a { font-size: 16px; padding: 14px 0; border-bottom: 1px solid rgba(212, 168, 83, 0.1); text-align: left; display: block; }
    .main-nav .login-item { margin-left: 0; margin-top: 16px; }
    .main-nav .login-btn {
        background: #d4a853;
        color: #0d2137;
        padding: 14px 20px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 15px;
        text-align: left;
        display: block;
        border: none;
        text-decoration: none;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    }
    .main-nav .login-btn:hover {
        background: #e5c784;
        color: #0d2137;
    }
    .nav-toggle { display: block; }
    .hero-headline { font-size: 36px; }
    .footer-grid { grid-template-columns: 1fr; }
    .page-container { padding: 0 20px; }
    .advantages-grid, .philosophy-grid, .testimonials-grid, .news-container, .contact-content { grid-template-columns: 1fr; }
    .programs-content { grid-template-columns: 1fr; gap: 40px; }
    .results-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .stat-number { font-size: 36px; }
    .stat-number .suffix { font-size: 18px; }
    .stat-label { font-size: 11px; }
    .stat-item::after { display: none; }
    .advantages-header h2, .programs-header h2, .results-header h2, .philosophy-header h2, .testimonials-header h2, .news-header h2 { font-size: 32px; }
    .section-advantages, .section-programs, .section-results, .section-philosophy, .section-testimonials, .section-news, .section-contact, .section-stats { padding: 80px 0; }
    .result-card { border-radius: 8px; }
    .results-header { margin-bottom: 40px; }
    .result-overlay { opacity: 1; padding: 20px; }
    .result-card h4 { font-size: 16px; }
}
@media (min-width: 768px) and (max-width: 991px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .philosophy-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .news-container { grid-template-columns: repeat(2, 1fr); }
    .contact-content { grid-template-columns: 1fr; gap: 40px; }
    .stats-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .stat-number { font-size: 32px; }
    .stat-number .suffix { font-size: 16px; }
    .stat-label { font-size: 10px; }
    .programs-content { grid-template-columns: 1fr; gap: 40px; }
    .advantages-header h2, .programs-header h2, .results-header h2, .philosophy-header h2, .testimonials-header h2, .news-header h2 { font-size: 40px; }
}