/* ==========================================
   中秋节 · 共享样式
   导航、页脚、变量、星空、月亮、灯笼
   ========================================== */

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

:root {
    --color-night-deep: #0a0e27;
    --color-night: #1a1a3e;
    --color-night-mid: #2d1b4e;
    --color-night-soft: #3d2b5e;
    --color-gold: #ffd700;
    --color-gold-soft: #ffec8b;
    --color-gold-deep: #daa520;
    --color-cream: #fff8dc;
    --color-red: #c8102e;
    --color-red-deep: #8b0000;
    --color-orange: #ff7f3f;
    --font-calligraphy: 'Ma Shan Zheng', 'STKaiti', 'KaiTi', serif;
    --font-poem: 'ZCOOL QingKe HuangYou', 'STKaiti', serif;
    --font-title: 'ZCOOL XiaoWei', 'STKaiti', serif;
    --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--color-night-deep);
    color: var(--color-cream);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

/* ==========================================
   导航
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.15);
}

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-family: var(--font-calligraphy);
    font-size: 26px;
    color: var(--color-gold);
    text-shadow: 0 0 12px rgba(255, 215, 0, 0.5);
    white-space: nowrap;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 24px;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--color-cream);
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 1px;
    position: relative;
    transition: color 0.3s;
    white-space: nowrap;
}

.nav-links a:hover { color: var(--color-gold); }

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: width 0.3s;
}

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

.nav-links a.active {
    color: var(--color-gold);
}

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

/* ==========================================
   内页 Hero（小型 banner）
   ========================================== */
.page-hero {
    padding: 140px 24px 80px;
    text-align: center;
    background: linear-gradient(180deg,
        var(--color-night-deep) 0%,
        var(--color-night) 100%);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.page-hero h1 {
    font-family: var(--font-calligraphy);
    font-size: clamp(40px, 7vw, 80px);
    color: var(--color-gold);
    letter-spacing: 8px;
    margin-bottom: 12px;
    text-shadow: 0 0 24px rgba(255, 215, 0, 0.4);
    position: relative;
    z-index: 2;
}

.page-hero p {
    font-size: 14px;
    color: var(--color-gold-soft);
    letter-spacing: 4px;
    opacity: 0.8;
    text-transform: uppercase;
    position: relative;
    z-index: 2;
}

/* ==========================================
   通用容器
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-content {
    padding: 60px 0 120px;
    background: var(--color-night-deep);
}

.page-content h2 {
    font-family: var(--font-calligraphy);
    font-size: clamp(28px, 4vw, 42px);
    color: var(--color-gold);
    text-align: center;
    letter-spacing: 6px;
    margin-bottom: 16px;
    text-shadow: 0 0 16px rgba(255, 215, 0, 0.3);
}

.page-content .section-intro {
    text-align: center;
    color: var(--color-gold-soft);
    font-size: 15px;
    letter-spacing: 2px;
    margin-bottom: 60px;
    opacity: 0.85;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.9;
}

/* ==========================================
   通用网格
   ========================================== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ==========================================
   通用卡片
   ========================================== */
.card {
    background: linear-gradient(135deg,
        rgba(255, 215, 0, 0.04) 0%,
        rgba(200, 16, 46, 0.04) 100%);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 18px;
    padding: 32px 28px;
    transition: all 0.4s;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--color-gold);
    box-shadow: 0 16px 40px rgba(255, 215, 0, 0.12);
}

/* ==========================================
   面包屑
   ========================================== */
.breadcrumb {
    max-width: 1280px;
    margin: 0 auto;
    padding: 90px 24px 0;
    font-size: 13px;
    color: var(--color-gold-soft);
    opacity: 0.7;
    letter-spacing: 1px;
}

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

.breadcrumb span { margin: 0 8px; opacity: 0.5; }

/* ==========================================
   页脚
   ========================================== */
.footer {
    padding: 60px 24px;
    background: var(--color-night-deep);
    text-align: center;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer p {
    font-family: var(--font-calligraphy);
    font-size: 24px;
    color: var(--color-gold);
    letter-spacing: 6px;
    margin-bottom: 12px;
}

.footer-sub {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--color-cream);
    letter-spacing: 3px;
    opacity: 0.6;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--color-cream);
    opacity: 0.6;
}

.footer-links a:hover { color: var(--color-gold); }

/* ==========================================
   响应式
   ========================================== */
@media (max-width: 768px) {
    .nav-inner { padding: 10px 14px; gap: 8px; flex-wrap: nowrap; }
    .logo { font-size: 20px; flex-shrink: 0; }
    .nav-links {
        gap: 16px;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        flex: 1 1 0;
        min-width: 0;
        justify-content: flex-start;
        padding: 4px 0 6px;
        -webkit-overflow-scrolling: touch;
    }
    .nav-links li { flex-shrink: 0; }
    .nav-links::-webkit-scrollbar { height: 4px; }
    .nav-links::-webkit-scrollbar-track { background: transparent; }
    .nav-links::-webkit-scrollbar-thumb { background: rgba(255, 215, 0, 0.4); border-radius: 2px; }
    .nav-links a { font-size: 12px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .breadcrumb { padding-top: 70px; }
    .page-hero { padding: 80px 16px 50px; }
    .page-content { padding: 40px 0 80px; }
}

@media (max-width: 380px) {
    .nav-links { gap: 12px; }
    .nav-links a { font-size: 11px; letter-spacing: 0; }
    .page-hero h1 { letter-spacing: 4px; }
}