@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --gold: #c5a059;
    --gold-hover: #b48e4a;
    --black-deep: #0a0a0a;
    --black-light: #1a1a1a;
    --gray-bg: #f9f9f9;
    --text-main: #333;
    --text-muted: #666;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4, .serif {
    font-family: 'Crimson Pro', serif;
}

/* Base Layout */
.container {
    width: 90%;
    max-width: 1300px;
    margin: 0 auto;
}

/* Premium Header */
header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
    padding: 1rem 0;
}

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

.logo {
    font-family: 'Crimson Pro', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    text-decoration: none;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover, nav ul li a.active {
    color: var(--gold);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -5px;
    left: 0;
    background: var(--gold);
    transition: var(--transition);
}

nav ul li a:hover::after, nav ul li a.active::after {
    width: 100%;
}

/* Sections */
section {
    padding: 100px 0;
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--black-deep);
    margin-bottom: 10px;
}

.section-title .divider {
    width: 60px;
    height: 2px;
    background: var(--gold);
    margin: 0 auto;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://tse-mm.bing.com/th?q=KY开元+总部大楼') center/cover;
    display: flex;
    align-items: center;
    color: #fff;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 1s forwards;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeIn 1s 0.3s forwards;
}

.btn {
    display: inline-block;
    padding: 12px 35px;
    background: var(--gold);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--gold-hover);
    transform: scale(1.05);
}

/* Grids */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

/* Cards */
.card {
    background: #fff;
    border: 1px solid #eee;
    padding: 30px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--gold);
}

/* Ticker / Dynamic News */
.ticker-wrap {
    background: var(--black-deep);
    color: #fff;
    padding: 15px 0;
    overflow: hidden;
}

.ticker {
    display: flex;
    white-space: nowrap;
    animation: ticker 40s linear infinite;
}

.ticker-item {
    margin-right: 50px;
    font-size: 0.9rem;
    color: var(--gold);
}

/* Footer */
footer {
    background: var(--black-deep);
    color: #fff;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--gold);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: #999;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    font-size: 0.8rem;
    color: #666;
}

/* Animations */
@keyframes fadeIn {
    to { opacity: 1; transform: translateY(0); }
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    nav ul { display: none; } /* Could add a hamburger menu */
}