@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700;900&family=Cinzel:wght@500;700;900&display=swap');

:root {
    --vermilion: #C82C28; /* 御用朱红色 */
    --vermilion-glow: rgba(200, 44, 40, 0.15);
    --gold: #D4AF37; /* 鎏金色 */
    --gold-bright: #F3E5AB;
    --gold-glow: rgba(212, 175, 55, 0.3);
    --bg-color: #FAF6F0; /* 极净古玉色，比普通白明亮且极其温润高贵 */
    --card-bg: #FFFFFF; /* 圣洁白 */
    --text-dark: #1E1A1A; /* 尊贵玄墨 */
    --text-muted: #5A5050;
    --border-color: rgba(212, 175, 55, 0.25); /* 鎏金微细边框 */
}

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

body {
    font-family: 'Noto Serif SC', serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    letter-spacing: 1px;
}

/* Animations & Transitions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes heroGlow {
    0% { border-color: rgba(212, 175, 55, 0.2); box-shadow: 0 15px 40px rgba(200, 44, 40, 0.05); }
    50% { border-color: rgba(212, 175, 55, 0.6); box-shadow: 0 20px 50px rgba(200, 44, 40, 0.15); }
    100% { border-color: rgba(212, 175, 55, 0.2); box-shadow: 0 15px 40px rgba(200, 44, 40, 0.05); }
}

/* Header & Royal Navigation */
header {
    background-color: rgba(250, 246, 240, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.8rem 2.5rem;
}

.logo {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--vermilion);
    letter-spacing: 6px;
    text-decoration: none;
    font-family: 'Noto Serif SC', serif;
    position: relative;
    text-shadow: 1px 1px 0px rgba(212, 175, 55, 0.4);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.05rem;
    margin-left: 3rem;
    font-weight: 700;
    letter-spacing: 3px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    padding: 5px 0;
}

/* Royal Dot Indicator replace standard underlines */
.nav-links a::after {
    content: '•';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%) scale(0);
    color: var(--vermilion);
    font-size: 1.8rem;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: translateX(-50%) scale(1);
    opacity: 1;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--vermilion);
    text-shadow: 0 0 1px rgba(200, 44, 40, 0.2);
}

/* Hero Section (Imperial Scroll Theme - 圣旨风范) */
.hero {
    height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, rgba(250, 246, 240, 0.7) 0%, rgba(255, 242, 230, 0.85) 100%), url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?q=80&w=1920&auto=format&fit=crop') no-repeat center center/cover;
    border-bottom: 4px solid var(--vermilion);
    padding: 0 2rem;
}

.hero-content {
    animation: fadeInUp 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
    max-width: 950px;
    border: 2px solid rgba(212, 175, 55, 0.3);
    padding: 4.5rem 5rem;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 15px 40px rgba(200, 44, 40, 0.05);
    position: relative;
    animation-name: fadeInUp;
    animation-duration: 1.2s;
    border-style: solid;
    animation: heroGlow 6s ease-in-out infinite;
}

/* Imperial Corner Brackets for Hero */
.hero-content::before,
.hero-content::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    border: 3px solid var(--gold);
}

.hero-content::before {
    top: 15px;
    left: 15px;
    border-right: none;
    border-bottom: none;
}

.hero-content::after {
    bottom: 15px;
    right: 15px;
    border-left: none;
    border-top: none;
}

.hero h1 {
    font-size: 5.5rem;
    font-weight: 900;
    color: var(--vermilion);
    margin-bottom: 2rem;
    letter-spacing: 16px;
    font-family: 'Noto Serif SC', serif;
    text-shadow: 1px 1px 0px var(--gold), 2px 2px 0px rgba(0,0,0,0.05);
}

.hero p {
    font-size: 1.6rem;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: 3px;
    line-height: 2;
}

.hero-btn {
    display: inline-block;
    margin-top: 3rem;
    padding: 1.2rem 4rem;
    background: linear-gradient(135deg, var(--vermilion) 0%, #E52D27 100%);
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 4px;
    border-radius: 4px;
    box-shadow: 0 8px 25px rgba(200, 44, 40, 0.25);
    transition: all 0.3s;
    border: 1px solid var(--gold);
}

.hero-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(200, 44, 40, 0.45);
    color: var(--gold-bright);
}

/* Page Containers */
.container {
    max-width: 1300px;
    margin: 6rem auto;
    padding: 0 2.5rem;
    min-height: 60vh;
}

.section-title {
    text-align: center;
    font-size: 3.8rem;
    font-weight: 900;
    color: var(--vermilion);
    margin-bottom: 5rem;
    letter-spacing: 8px;
    font-family: 'Noto Serif SC', serif;
    position: relative;
    text-shadow: 1px 1px 0px rgba(212, 175, 55, 0.3);
}

.section-title::after {
    content: '';
    display: block;
    width: 120px;
    height: 4px;
    background-color: var(--gold);
    margin: 20px auto 0;
}

/* Grid & Exquisite Imperial Cards (一眼惊艳) */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 3.5rem;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-top: 5px solid var(--vermilion);
    padding: 3.5rem 2.5rem;
    border-radius: 4px; /* 典雅微直角，比圆角更具威严与历史厚重感 */
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.02);
    transition: all 0.45s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
}

/* Elegant Golden Scroll Corners on each card */
.card::before,
.card::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--gold);
    opacity: 0.5;
    transition: all 0.4s ease;
}

/* Top-Left */
.card::before {
    top: 15px;
    left: 15px;
    border-right: none;
    border-bottom: none;
}

/* Bottom-Right */
.card::after {
    bottom: 15px;
    right: 15px;
    border-left: none;
    border-top: none;
}

/* Super Exquisite Hover Effects */
.card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 60px rgba(200, 44, 40, 0.12);
    border-color: rgba(212, 175, 55, 0.6);
}

.card:hover::before,
.card:hover::after {
    width: 32px;
    height: 32px;
    opacity: 1;
    border-color: var(--vermilion);
}

.card h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-weight: 900;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 2px;
    transition: color 0.3s;
}

.card:hover h3 {
    color: var(--vermilion);
}

.card p {
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.8;
}

/* Exquisite Contact Page wrapper */
.contact-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--card-bg);
    padding: 7rem 4rem;
    border-radius: 6px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-top: 6px solid var(--vermilion);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.03);
    position: relative;
    animation: fadeInUp 1s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.contact-wrapper::before,
.contact-wrapper::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border: 3px solid var(--gold);
}

.contact-wrapper::before {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.contact-wrapper::after {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

.contact-wrapper h2 {
    font-size: 3.2rem;
    font-weight: 900;
    color: var(--vermilion);
    margin-bottom: 2rem;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 4px;
}

.email-btn {
    display: inline-block;
    font-size: 2.2rem;
    color: #FFFFFF;
    background: linear-gradient(135deg, var(--vermilion) 0%, #E52D27 100%);
    padding: 1.5rem 4.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 3px;
    box-shadow: 0 10px 30px rgba(200, 44, 40, 0.25);
    transition: all 0.3s;
    border: 1px solid var(--gold);
}

.email-btn:hover {
    transform: scale(1.04);
    box-shadow: 0 15px 40px rgba(200, 44, 40, 0.45);
    color: var(--gold-bright);
}

/* Footer */
footer {
    text-align: center;
    padding: 5rem 2rem;
    background-color: #FAF6F0;
    border-top: 1px solid rgba(212, 175, 55, 0.15);
    margin-top: 8rem;
}

footer p {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
}