* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* ========== 模糊背景层 ========== */
.bg-blur-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-size: cover;
    background-position: center;
    background-color: #0a0c10;
    filter: blur(30px) brightness(0.25);
    z-index: -1;
    transform: scale(1.1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
    color: #eef2f5;
    line-height: 1.4;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: #1e1f24; }
::-webkit-scrollbar-thumb { background: #3e3f46; border-radius: 8px; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
}

.hero {
    margin-bottom: 2rem;
    text-align: center;
}
.hero h1 {
    font-size: clamp(1.8rem, 7vw, 3.2rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #f5f7fc 0%, #b9c2d4 100%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}
.hero .subhead {
    font-size: 0.9rem;
    color: #9aa2b5;
}
.divider {
    width: 50px;
    height: 2px;
    background: #2c2f36;
    margin: 1rem auto;
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin: 1rem 0 1.8rem;
}
.filter-btn {
    background: rgba(30,31,44,0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 40px;
    padding: 6px 14px;
    font-size: 0.7rem;
    font-weight: 500;
    color: #eef2f5;
    cursor: pointer;
    transition: 0.2s;
}
.filter-btn.active {
    background: #3a6ea5;
    border-color: #5a8ec5;
    color: white;
}

/* ========== 顶部导航 ========== */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,12,16,0.85);
    backdrop-filter: blur(10px);
}
.nav-logo {
    color: #f0f3fa;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: -0.01em;
}
.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.nav-links a, .nav-portal-trigger {
    color: #9aa2b5;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s;
    padding: 4px 10px;
    border-radius: 20px;
}
.nav-links a:hover, .nav-portal-trigger:hover {
    color: #eef2f5;
}
.nav-portal-trigger {
    background: rgba(58,110,165,0.2);
    border: 1px solid rgba(90,142,197,0.3);
    color: #bcd0ff;
}

/* ========== 特征码弹出层 ========== */
.portal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
    z-index: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: 0.2s;
}
.portal-overlay.active {
    visibility: visible;
    opacity: 1;
}
.portal-popup {
    background: #111317;
    border: 1px solid #2a2d36;
    border-radius: 20px;
    padding: 2rem;
    width: 380px;
    max-width: 90vw;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.portal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 1.2rem;
    color: #7c8ba0;
    cursor: pointer;
}
.portal-close:hover {
    color: #fff;
}

/* ========== 瀑布流画廊 ========== */
.gallery {
    column-count: 2;
    column-gap: 1.2rem;
}

.artwork-card {
    background: #111317;
    border-radius: 20px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.05);
    cursor: pointer;
    break-inside: avoid;
    margin-bottom: 1.2rem;
}
.artwork-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.image-mask {
    width: 100%;
    background: #1a1c22;
    line-height: 0;
}
.image-mask img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}
.artwork-card:hover .image-mask img {
    transform: scale(1.02);
}

.card-info {
    padding: 0.9rem 1rem 1rem;
    background: linear-gradient(0deg, #0e1015, #111317);
}
.card-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: #f0f3fa;
}
.card-info .ip-tag {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #7c8ba0;
    display: inline-block;
    margin-bottom: 0.5rem;
}
.card-info .credit-line {
    font-size: 0.65rem;
    color: #8a92aa;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 0.5rem;
    margin-top: 0.3rem;
}
.card-tag-badge {
    display: inline-block;
    background: rgba(58,110,165,0.2);
    border-radius: 20px;
    padding: 2px 8px;
    font-size: 0.6rem;
    margin-right: 5px;
    margin-top: 6px;
    color: #bcd0ff;
}

.footer-note {
    margin-top: 3rem;
    text-align: center;
    font-size: 0.7rem;
    color: #4a4e5c;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 2rem;
}

/* ========== 灯箱 ========== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.92);
    backdrop-filter: blur(12px);
    z-index: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: 0.2s;
    cursor: pointer;
}
.lightbox.active { visibility: visible; opacity: 1; }
.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 16px;
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 1.8rem;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
}

/* ========== 灯箱导航 ========== */
.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    padding: 10px 16px;
    user-select: none;
    transition: color 0.2s;
    z-index: 410;
}
.lightbox-prev:hover, .lightbox-next:hover { color: #fff; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

/* ========== 管理面板卡片 ========== */
.panel-card {
    background: #111317;
    border-radius: 16px;
    padding: 1.2rem;
    margin-bottom: 1rem;
    border: 1px solid #2a2d36;
}
.panel-card h3 {
    color: #f0f3fa;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}
.dark-input {
    background: #0a0c10;
    border: 1px solid #2c2f36;
    border-radius: 12px;
    padding: 8px;
    color: #fff;
    font-size: 0.8rem;
}

.project-card {
    background: #111317;
    border-radius: 16px;
    border: 1px solid #2a2d36;
    overflow: hidden;
}
.project-card-header {
    display: flex;
    align-items: center;
    padding: 1rem;
    cursor: pointer;
    transition: background 0.15s;
}
.project-card-header:hover { background: rgba(255,255,255,0.02); }
.project-arrow {
    color: #7c8ba0;
    font-size: 0.7rem;
    transition: 0.2s;
}
.project-card-body {
    display: none;
    padding: 0 1rem 1rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 0.8rem;
}
.project-stats {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
    font-size: 0.65rem;
    color: #7c8ba0;
}
.stat-num {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
    color: #bcd0ff;
}
.code-badge {
    background: rgba(58,110,165,0.15);
    border: 1px solid rgba(90,142,197,0.3);
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 0.7rem;
    color: #bcd0ff;
    font-family: monospace;
}
.rating-table {
    display: none;
    margin-top: 0.6rem;
}
.r-table {
    width: 100%;
    font-size: 0.7rem;
    color: #ccc;
    border-collapse: collapse;
}
.r-table th, .r-table td {
    padding: 4px 8px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.r-table th { color: #7c8ba0; font-weight: 500; }

@media (max-width: 640px) {
    .gallery { column-count: 1; column-gap: 0; }
    .artwork-card { margin-bottom: 0.9rem; }
    .card-info { padding: 0.7rem; }
    .lightbox-prev { left: 5px; font-size: 2rem; }
    .lightbox-next { right: 5px; font-size: 2rem; }
}

/* ========== 日历颜色（与 schedule.html 内联样式配合） ========== */
.fc-daygrid-day.workday .fc-daygrid-day-number { color:#eef2f5; }
.fc-daygrid-day.holiday .fc-daygrid-day-number { color:#333; }
.fc-daygrid-day.scheduled .fc-daygrid-day-number { color:#333; }