/* ============================================
   绿茵智库 - 核心样式表
   数据科技风格 | 深邃蓝底色 + 荧光绿/警示红
   ============================================ */

/* CSS Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg-primary: #0B132B;
    --color-bg-secondary: #0F1A3A;
    --color-bg-card: #131D3F;
    --color-accent-green: #00FF00;
    --color-accent-red: #FF3333;
    --color-text-primary: #E8E8E8;
    --color-text-secondary: #A0A8C0;
    --color-border: #1E2A4A;
    --color-highlight: rgba(0, 255, 0, 0.08);
    --font-heading: 'Roboto Mono', 'Courier New', monospace;
    --font-body: 'Microsoft YaHei', '微软雅黑', sans-serif;
    --font-data: 'DIN Alternate', 'Roboto Mono', monospace;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition-base: 0.3s ease;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--color-accent-green);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: #66FF66;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-primary);
}

h1 { font-size: 2.4rem; margin-bottom: 1rem; }
h2 { font-size: 1.8rem; margin-bottom: 0.8rem; }
h3 { font-size: 1.4rem; margin-bottom: 0.6rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--color-text-secondary);
}

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

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 19, 43, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-logo img {
    width: 40px;
    height: 40px;
}

.site-logo span {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--color-accent-green);
    font-weight: 700;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 28px;
}

.main-nav a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 6px 0;
    position: relative;
    transition: color var(--transition-base);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-green);
    transition: width var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-accent-green);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 70px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(11,19,43,0.7) 0%, rgba(11,19,43,0.9) 100%);
    z-index: 1;
}

#pass-network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
    animation: fadeInUp 1s ease forwards;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, var(--color-accent-green), #66FFAA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content .hero-desc {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: var(--color-accent-green);
    color: var(--color-bg-primary);
    font-weight: 700;
    font-family: var(--font-body);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: 2px solid var(--color-accent-green);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-accent-green);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    background: transparent;
    color: var(--color-accent-green);
    font-weight: 700;
    font-family: var(--font-body);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-accent-green);
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    background: var(--color-accent-green);
    color: var(--color-bg-primary);
}

/* ============================================
   Section Common
   ============================================ */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent-green);
}

.section-header p {
    margin-top: 12px;
    font-size: 1rem;
}

/* ============================================
   Match Dashboard
   ============================================ */
.match-dashboard {
    background: var(--color-bg-secondary);
}

.match-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.match-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.match-table thead {
    background: var(--color-bg-primary);
}

.match-table th {
    padding: 14px 16px;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-accent-green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.match-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.match-table tbody tr {
    transition: background var(--transition-base);
}

.match-table tbody tr:hover {
    background: var(--color-highlight);
}

.data-num {
    font-family: var(--font-data);
    font-weight: 700;
}

.data-green {
    color: var(--color-accent-green);
}

.data-red {
    color: var(--color-accent-red);
}

/* ============================================
   Tactics Cards
   ============================================ */
.tactics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.tactic-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.tactic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.tactic-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tactic-card-body {
    padding: 20px;
}

.tactic-card-body h3 {
    margin-bottom: 8px;
}

.tactic-card-body p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.tactic-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Data Model Section
   ============================================ */
.model-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.model-info h3 {
    color: var(--color-accent-green);
    margin-bottom: 12px;
}

.model-info p {
    margin-bottom: 16px;
    line-height: 1.8;
}

.model-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}

.stat-item {
    background: var(--color-bg-secondary);
    padding: 16px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
}

.stat-item .stat-value {
    font-family: var(--font-data);
    font-size: 1.8rem;
    color: var(--color-accent-green);
    font-weight: 700;
}

.stat-item .stat-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.model-image img {
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

/* ============================================
   Expert Section
   ============================================ */
.expert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.expert-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

.expert-card:hover {
    transform: translateY(-3px);
}

.expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto 16px;
    border: 3px solid var(--color-accent-green);
    object-fit: cover;
}

.expert-card h4 {
    margin-bottom: 6px;
}

.expert-card .expert-title {
    color: var(--color-accent-green);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.expert-card .expert-bio {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   Video Section
   ============================================ */
.video-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.video-wrapper video {
    width: 100%;
    display: block;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--color-accent-green);
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-col p {
    font-size: 0.9rem;
    line-height: 1.7;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.footer-col ul li a:hover {
    color: var(--color-accent-green);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.footer-bottom .icp-info {
    margin-top: 8px;
    color: var(--color-text-secondary);
}

/* ============================================
   Article Page Styles
   ============================================ */
.page-banner {
    padding: 120px 0 60px;
    background: var(--color-bg-secondary);
    text-align: center;
}

.breadcrumb {
    margin-bottom: 16px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.breadcrumb a {
    color: var(--color-text-secondary);
}

.breadcrumb a:hover {
    color: var(--color-accent-green);
}

.article-content {
    max-width: 860px;
    margin: 0 auto;
    padding: 50px 20px;
}

.article-content h2 {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.article-content h3 {
    margin-top: 1.5rem;
}

.article-content p {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 1.2rem;
}

.article-content img {
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    border: 1px solid var(--color-border);
}

.article-meta {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.related-articles {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.related-articles h3 {
    margin-bottom: 16px;
}

.related-list {
    list-style: none;
}

.related-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

.related-list li a {
    color: var(--color-text-secondary);
}

.related-list li a:hover {
    color: var(--color-accent-green);
}

/* ============================================
   Player Database Styles
   ============================================ */
.player-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.player-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base);
}

.player-card:hover {
    transform: translateY(-3px);
}

.player-card h4 {
    margin-bottom: 8px;
}

.player-card .player-pos {
    color: var(--color-accent-green);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.player-stats-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.player-stats-mini .ps-item {
    background: var(--color-bg-secondary);
    padding: 8px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.player-stats-mini .ps-item .ps-val {
    font-family: var(--font-data);
    font-size: 1.2rem;
    color: var(--color-accent-green);
    font-weight: 700;
}

.player-stats-mini .ps-item .ps-lbl {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design (Mobile-First)
   ============================================ */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(11, 19, 43, 0.98);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-base);
        pointer-events: none;
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 16px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

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

    .model-showcase {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .match-table-wrapper {
        margin: 0 -20px;
        padding: 0 20px;
    }

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

    .section {
        padding: 50px 0;
    }

    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .model-stats {
        grid-template-columns: 1fr;
    }

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