:root {
    --color-bg: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-light: #595959;
    --color-accent: #C8102E; 
    --color-primary-dark: #002B49; 
    --color-gray-bg: #F5F7FA;
    --color-border: #E5E5E5;
    
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Noto Serif SC', serif;
    
    --container-width: 1200px;
    --gap-standard: 40px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s;
}

ul { list-style: none; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

.bg-gray {
    background-color: var(--color-gray-bg);
}

h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.section-tag {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-light);
    margin-bottom: 24px;
    display: block;
    font-weight: 600;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    height: 80px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-main {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.brand-sub {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
}

.nav-links {
    display: flex;
    gap: 48px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary-dark);
    transition: width 0.3s;
}

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

.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background-color: #0f172a;
    color: #fff;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(45deg, #002B49 0%, #004e80 100%);
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    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='0.05'%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");
    opacity: 0.2;
}

.hero-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-bottom: 60px;
}

.hero-content {
    max-width: 800px;
}

.hero-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 4px;
    display: block;
    margin-bottom: 24px;
    opacity: 0.8;
}

.hero-title {
    font-size: 72px;
    line-height: 1.1;
    margin-bottom: 32px;
    font-family: var(--font-sans);
    font-weight: 300;
}

.hero-title .highlight {
    font-weight: 700;
}

.hero-desc {
    font-size: 20px;
    opacity: 0.9;
    max-width: 500px;
    font-weight: 300;
}

.hero-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    opacity: 0.6;
}

.hero-scroll-indicator span {
    writing-mode: vertical-rl;
    font-size: 10px;
    letter-spacing: 2px;
}

.hero-scroll-indicator .line {
    width: 1px;
    height: 60px;
    background: #fff;
}

.intro-section {
    background-color: #fff;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.split-left h2 {
    font-size: 48px;
    color: var(--color-primary-dark);
    margin-bottom: 32px;
}

.intro-lead {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 48px;
    text-align: justify;
}

.stats-row {
    display: flex;
    gap: 60px;
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
}

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

.stat-num {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 12px;
    color: var(--color-text-light);
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.func-list {
    display: grid;
    gap: 40px;
}

.func-item {
    border-left: 1px solid var(--color-border);
    padding-left: 32px;
    transition: all 0.3s;
}

.func-item:hover {
    border-left-color: var(--color-primary-dark);
}

.func-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
    display: block;
}

.func-item h4 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--color-text);
}

.func-item p {
    font-size: 14px;
    color: var(--color-text-light);
}

.news-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 60px;
}

.section-header-simple h3 {
    font-size: 36px;
    margin: 0;
}

.view-all-btn {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-all-btn:hover .arrow {
    transform: translateX(4px);
}

.arrow {
    transition: transform 0.3s;
}

.news-list-container {
    border-top: 1px solid var(--color-border);
}

.news-item {
    display: grid;
    grid-template-columns: 120px 1fr 40px;
    gap: 40px;
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
    align-items: start;
    transition: background-color 0.3s;
}



.news-date {
    display: flex;
    flex-direction: column;
}

.news-date .day {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1;
}

.news-date .month {
    font-size: 12px;
    color: var(--color-text-light);
    text-transform: uppercase;
    margin-top: 4px;
}

.news-content {
    padding-right: 40px;
}

.news-meta {
    margin-bottom: 12px;
    font-size: 12px;
}

.news-meta .tag {
    color: var(--color-accent);
    font-weight: 600;
    margin-right: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.news-meta .author {
    color: #999;
}

.news-title {
    font-size: 22px;
    margin-bottom: 12px;
    transition: color 0.3s;
}


.news-excerpt {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 2;
    margin: 0;
    text-indent: 2em;

}

.news-action {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-border);
    font-size: 24px;
    transition: color 0.3s;
}



.strategy-box {
    margin-top: 80px;
    background: #fff;
    padding: 60px;
    border: 1px solid var(--color-border);
}

.strategy-title {
    font-size: 20px;
    margin-bottom: 40px;
    text-align: center;
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.s-item {
    position: relative;
    padding: 0 10px;
}

.s-item::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    height: 40%;
    width: 1px;
    background: #eee;
    transform: translateY(-50%);
}

.s-item:last-child::after {
    display: none;
}

.s-idx {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: rgba(0,0,0,0.05);
    margin-bottom: -15px;
    position: relative;
    z-index: 0;
}

.s-item p {
    position: relative;
    z-index: 1;
    font-weight: 600;
    font-size: 15px;
}

.doc-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    align-items: start;
}

.doc-sidebar {
    position: sticky;
    top: 100px;
}

.doc-cover {

    padding: 40px 30px;
    margin-bottom: 40px;
    box-shadow: 0 5px 10px rgba(0,43,73,0.2);
    position: relative;
    overflow: hidden;
}

.doc-cover::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--color-accent);
}

.doc-type {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    display: block;
    margin-bottom: 20px;
}

.doc-cover-title {
    font-family: var(--font-serif);
    font-size: 24px;
    line-height: 1.4;
    margin-bottom: 40px;
}

.doc-cover-footer {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 20px;
    font-size: 10px;
    letter-spacing: 1px;
}

.doc-meta-list {
    border-top: 1px solid var(--color-text);
}

.meta-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}

.meta-item .label {
    color: var(--color-text-light);
}

.meta-item .value {
    font-weight: 600;
}

.btn-download {
    display: block;
    margin-top: 30px;
    background: var(--color-text);
    color: #fff;
    text-align: center;
    padding: 12px;
    font-size: 13px;
    font-weight: 600;
    transition: opacity 0.3s;
}

.btn-download:hover {
    opacity: 0.9;
}

.doc-content {
    max-width: 800px;
}

.doc-lead {
    text-align: center;
    font-size: 28px;
    font-family: var(--font-serif);
    line-height: 1.6;
    margin-bottom: 50px;
    color: var(--color-primary-dark);
}

.doc-text h5 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 40px 0 20px;
    color: var(--color-accent);
}

.doc-text h5:first-child {
    margin-top: 0;
}

.doc-text p {
    margin-bottom: 24px;
    color: var(--color-text-light);
    text-align: justify;
    text-indent: 2em;
    line-height: 2;
}

.highlight-box {
    background: var(--color-gray-bg);
    border-left: 4px solid var(--color-text);
    padding: 30px;
    margin: 40px 0;
    font-size: 15px;
    color: var(--color-text);
}

.footer {
    background-color: var(--color-text);
    color: #fff;
    padding: 40px 0;
    margin-top: 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-brand h5 {
    font-size: 16px;
    margin-bottom: 24px;
    font-weight: 600;
    color: #fff;
}

.footer-contact p {
    font-size: 13px;
    color: #999;
    margin-bottom: 8px;
}

.footer-meta {
    text-align: right;
}

.footer-meta p {
    font-size: 12px;
    color: #666;
    margin-bottom: 4px;
}

@media (max-width: 992px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-date {
        flex-direction: row;
        align-items: baseline;
        gap: 10px;
        margin-bottom: 10px;
    }
    
    .news-action {
        display: none;
    }

    .doc-container {
        grid-template-columns: 1fr;
    }
    
    .doc-sidebar {
        position: static;
        margin-bottom: 60px;
    }
    
    .strategy-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .s-item::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 42px;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-meta {
        text-align: left;
    }
}