/*
  玩球吧 - 品牌视觉系统 (Black Gold Edition)
  - Color Theme: Intense Black & Prestigious Gold
  - Typography: Elegant Serif & Modern Sans
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Playfair+Display:ital,wght@0,700;1,700&display=swap');

:root {
    --bg-primary: #080808;
    --bg-secondary: #121212;
    --accent: #D4AF37;
    --accent-dark: #C5A028;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-muted: #666666;
    --border: rgba(212, 175, 55, 0.2);
    --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F5E0A3 50%, #C5A028 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .serif {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

/* --- Components --- */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-gold {
    background: var(--gold-gradient);
    color: #000;
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #000;
}

.section-padding {
    padding: 100px 5%;
}

.title-center {
    text-align: center;
    margin-bottom: 60px;
}

.title-center h2 {
    font-size: 42px;
    margin-bottom: 10px;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-center p {
    color: var(--text-secondary);
    font-size: 18px;
}

/* --- Layout --- */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(8, 8, 8, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul li a:hover {
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    color: var(--accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://tse-mm.bing.com/th?q=体育场足球') no-repeat center center/cover;
    padding: 0 5%;
}

.hero h1 {
    font-size: 72px;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 40px;
    animation: fadeInUp 1.2s ease;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    padding: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 36px;
    color: var(--accent);
}

.stat-item p {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

/* Matches Grid */
.matches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.match-card {
    background: var(--bg-secondary);
    border: 1px solid #1a1a1a;
    border-radius: 8px;
    overflow: hidden;
    transition: 0.3s;
    position: relative;
}

.match-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.match-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    cursor: pointer;
}

.match-info {
    padding: 20px;
}

.match-tag {
    font-size: 10px;
    text-transform: uppercase;
    background: var(--accent);
    color: #000;
    padding: 2px 8px;
    border-radius: 2px;
    margin-bottom: 10px;
    display: inline-block;
}

.match-title {
    font-size: 18px;
    margin-bottom: 15px;
}

.match-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

/* News List */
.news-list {
    display: grid;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #1a1a1a;
    transition: 0.3s;
}

.news-item:hover {
    padding-left: 10px;
}

.news-img {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
}

.news-content h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.news-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Corporate Updates */
.updates-marquee {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    background: #000;
    padding: 15px 0;
    border-top: 1px solid var(--border);
}

.marquee-content {
    display: inline-block;
    animation: marquee 60s linear infinite;
}

.update-item {
    display: inline-block;
    padding: 0 40px;
    color: var(--text-secondary);
    font-size: 14px;
}

.update-item span {
    color: var(--accent);
    margin-right: 10px;
}

/* Footer */
footer {
    background: #050505;
    padding: 80px 5% 40px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--accent);
    margin-bottom: 25px;
    font-size: 20px;
}

.footer-links li {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.footer-links li a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border: 1px solid #1a1a1a;
    display: grid;
    place-items: center;
    border-radius: 50%;
}

.social-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1a1a1a;
    color: var(--text-muted);
    font-size: 12px;
}

/* Page Specific: About */
.about-hero {
    height: 60vh;
}

.content-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.content-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--accent);
}

.content-img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* Page Specific: Products */
.filter-bar {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    color: var(--text-muted);
    font-size: 14px;
}

select, input {
    background: #1a1a1a;
    border: 1px solid #333;
    color: #fff;
    padding: 8px 12px;
    border-radius: 4px;
    outline: none;
}

select:focus, input:focus {
    border-color: var(--accent);
}

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

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Responsiveness */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero h1 { font-size: 48px; }
    .content-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero h1 { font-size: 36px; }
    .footer-grid { grid-template-columns: 1fr; }
}