@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

:root {
    --velvet-dark: #0a1128;
    --velvet-base: #101d42;
    --velvet-light: #1c2e63;
    --accent-gold: #d4af37;
    --accent-gold-hover: #e8c969;
    --text-main: #f0f4f8;
    --text-muted: #a0aec0;
}

body {
    background-color: var(--velvet-base);
    color: var(--text-main);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-image: radial-gradient(circle at top right, var(--velvet-light), transparent 60%),
                      radial-gradient(circle at bottom left, var(--velvet-dark), transparent 60%);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* 顶部导航 */
.velvet-nav {
    background-color: rgba(10, 17, 40, 0.85);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    transform: translateZ(0);
    will-change: backdrop-filter, transform;
}

/* 绒布质感卡片 */
.velvet-card {
    background: linear-gradient(145deg, var(--velvet-light), var(--velvet-dark));
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.6), inset 0 2px 5px rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform, box-shadow;
}

.velvet-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 45px -5px rgba(0, 0, 0, 0.8), inset 0 2px 5px rgba(212, 175, 55, 0.15);
}

/* 按钮 */
.velvet-btn {
    background: linear-gradient(135deg, var(--accent-gold), #b5952f);
    color: var(--velvet-dark);
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    will-change: transform, box-shadow;
    display: inline-block;
    text-align: center;
}

.velvet-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.5);
    filter: brightness(1.1);
}

.velvet-btn-outline {
    background: transparent;
    color: var(--accent-gold);
    border: 2px solid var(--accent-gold);
    border-radius: 8px;
    font-weight: bold;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    will-change: transform, box-shadow, background-color;
    display: inline-block;
    text-align: center;
}

.velvet-btn-outline:hover {
    background-color: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

/* 浅色博客区重写 - 为了贴合主题要求“浅色背景”，同时保留质感 */
.blog-section {
    background-color: #f8fafc;
    color: #1a202c;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.blog-card {
    background-color: #ffffff;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px -5px rgba(10, 17, 40, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform, box-shadow;
    overflow: hidden;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -5px rgba(10, 17, 40, 0.15);
}

.text-gold {
    color: var(--accent-gold);
}

img {
    border-radius: 8px;
    object-fit: cover;
}