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

body {
    font-family: 'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
    background: #f5f4f0;
    color: #333;
    line-height: 1.6;
    font-size: 14px;
}

  /* 头部导航 */
  .header {
    background: #1D1917;
    padding: 15px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 统一导航栏样式 */
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

/* 统一 Logo 图片样式 */
.logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    font-weight: 500;
}

.site-prefix-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    flex: 0 0 auto;
    margin-left: 8px;
    margin-right: 8px;
    transform: translateX(4px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}




.section-title {
    text-align: center;
    font-size: 30px;
    margin-bottom: 50px;
    position: relative;
    padding-top:60px
}


.featured-section {
    background-image: url('../images/bg2.jpg');
    background-size: cover;
    background-position: center;
    padding: 0 20px 0;
}

.featured-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 60px;
    margin-top: -40px;
}


.nav-menu li a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 16px;
    border-radius: 5px;
}

.nav-menu li a:hover {
    color: #F6DD8B;
    transform: translateY(-2px);
}

/* 当前页面高亮 */
.nav-menu li a.active {
    color: #F6DD8B;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: white;
    text-align: center;
}


.footer {
    background: #1D1917;
    color: white;
    padding: 15px 0;
    text-align: center;
}

.footer-bottom small {
    display: block;
    margin-top: 4px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 12px;
}

/* 统一轮播文字样式 */
.banner-title {
    font-size: 40px !important;
    font-weight: 700;
    margin-bottom: 16px !important;
    line-height: 1.2;
    color: #ffffff;
    animation: fadeInUp 1s ease-out;
}

.banner-subtitle {
    font-size: 18px !important;
    margin-bottom: 0 !important;
    opacity: 0.95;
    color: #ffffff;
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* 统一轮播基础样式 */
.banner {
    position: relative;
    height: 500px;
    overflow: hidden;
    margin-top: 70px;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-slide.active { opacity: 1; }

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 指示点 */
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-dot.active {
    background: #F6DD8B;
    border-color: white;
    transform: scale(1.2);
}

/* 轮播图控制按钮 */
.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 36px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 50%;
    opacity: 0;
    backdrop-filter: none;
}

.banner:hover .carousel-nav {
    opacity: 1;
}

.carousel-nav:hover {
    transform: translateY(-50%) scale(1.2);
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

/* 统一文字入场动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式轮播图控制按钮 */
@media (max-width: 768px) {
    .carousel-nav {
        padding: 8px;
        font-size: 28px;
    }
    
    .carousel-prev {
        left: 15px;
    }
    
    .carousel-next {
        right: 15px;
    }
}

/* 作品卡片悬停：金色微光、配图慢放大、手写提示浮现 */
:is(.category-card,
    .art-card,
    .mural-card,
    .technique-card,
    .technique-detail-card,
    .comparison-card,
    .material-card,
    .painter-card,
    .artist-card,
    .history-card,
    .culture-card,
    .period-card,
    .event-card,
    .figure-card,
    .featured-artwork) {
    position: relative;
    border: 1px solid rgba(246, 221, 139, 0.18);
    transition: border-color 0.45s ease, box-shadow 0.45s ease, transform 0.45s ease;
}

:is(.category-card,
    .art-card,
    .mural-card,
    .technique-card,
    .technique-detail-card,
    .comparison-card,
    .material-card,
    .painter-card,
    .artist-card,
    .history-card,
    .culture-card,
    .period-card,
    .event-card,
    .figure-card,
    .featured-artwork):hover {
    border-color: rgba(246, 221, 139, 0.62);
    box-shadow: 0 0 20px rgba(246, 221, 139, 0.38), 0 18px 38px rgba(29, 25, 23, 0.14);
    transform: translateY(-4px);
}

:is(.category-card,
    .art-card,
    .mural-card,
    .technique-card,
    .technique-detail-card,
    .comparison-card,
    .material-card,
    .painter-card,
    .artist-card,
    .history-card,
    .culture-card,
    .period-card,
    .event-card,
    .figure-card,
    .featured-artwork) img {
    transition: transform 0.9s ease;
}

:is(.category-card,
    .art-card,
    .mural-card,
    .technique-card,
    .technique-detail-card,
    .comparison-card,
    .material-card,
    .painter-card,
    .artist-card,
    .history-card,
    .culture-card,
    .period-card,
    .event-card,
    .figure-card,
    .featured-artwork):hover img {
    transform: scale(1.05);
}

:is(.category-card,
    .art-card,
    .mural-card,
    .technique-card,
    .technique-detail-card,
    .comparison-card,
    .material-card,
    .painter-card,
    .artist-card,
    .history-card,
    .culture-card,
    .period-card,
    .event-card,
    .figure-card,
    .featured-artwork)::after {
    content: "轻点展开这段唐风记忆";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 14px;
    z-index: 3;
    color: #F6DD8B;
    font-family: "KaiTi", "STKaiti", "FangSong", serif;
    font-size: 14px;
    line-height: 1.4;
    text-shadow: 0 1px 8px rgba(29, 25, 23, 0.42);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

:is(.category-card,
    .art-card,
    .mural-card,
    .technique-card,
    .technique-detail-card,
    .comparison-card,
    .material-card,
    .painter-card,
    .artist-card,
    .history-card,
    .culture-card,
    .period-card,
    .event-card,
    .figure-card,
    .featured-artwork):hover::after {
    opacity: 1;
    transform: translateY(0);
}

.glow-border-card-disabled {
    --cursor-angle: 45deg;
    --glow-color: hsl(40deg 82% 72% / 100%);
    --glow-color-60: hsl(40deg 82% 72% / 60%);
    --glow-color-40: hsl(40deg 82% 72% / 40%);
    --glow-color-30: hsl(40deg 82% 72% / 30%);
    --glow-color-20: hsl(40deg 82% 72% / 20%);
    --glow-color-10: hsl(40deg 82% 72% / 10%);
    position: relative;
    isolation: isolate;
    border-color: rgba(246, 221, 139, 0.2) !important;
    transform: translate3d(0, 0, 0.01px);
}

.glow-border-card-disabled::before {
    content: "";
    position: absolute;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.glow-border-card-disabled::before {
    inset: 0;
    z-index: 2;
    border: 1px solid transparent;
    background:
        linear-gradient(transparent, transparent) padding-box,
        radial-gradient(at 80% 55%, rgba(246, 221, 139, 0.98), transparent 48%) border-box,
        radial-gradient(at 12% 8%, rgba(181, 90, 75, 0.76), transparent 48%) border-box,
        radial-gradient(at 88% 18%, rgba(106, 76, 90, 0.6), transparent 48%) border-box;
    mask-image: conic-gradient(from var(--cursor-angle) at center, #000 0deg, transparent 48deg, transparent 312deg, #000 360deg);
}

.glow-border-card-disabled > * {
    position: relative;
    z-index: 3;
}

.glow-border-card-disabled:hover,
.glow-border-card-disabled:focus-visible {
    box-shadow:
        0 0 3px 0 var(--glow-color-60),
        0 0 14px 0 var(--glow-color-30),
        0 0 30px 4px var(--glow-color-10),
        0 18px 38px rgba(29, 25, 23, 0.14) !important;
}

.glow-border-card-disabled:hover::before,
.glow-border-card-disabled:focus-visible::before {
    opacity: 1;
}

/* Final navigation style: warm new-Chinese lacquer and paper texture instead of flat black. */
.header {
    background:
        linear-gradient(90deg, rgba(47, 34, 29, 0.92), rgba(78, 55, 44, 0.9) 42%, rgba(43, 31, 28, 0.92)),
        radial-gradient(circle at 18% 0%, rgba(246, 221, 139, 0.16), transparent 28%) !important;
    border-bottom: 1px solid rgba(246, 221, 139, 0.22);
    box-shadow: 0 10px 28px rgba(42, 26, 18, 0.18);
    backdrop-filter: blur(12px);
}

.header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(246, 221, 139, 0.56), transparent);
    pointer-events: none;
}

.nav-container {
    position: relative;
}

.nav-menu {
    gap: clamp(14px, 2vw, 28px);
}

.nav-menu li a {
    color: rgba(255, 250, 238, 0.9);
    border: 1px solid transparent;
    border-radius: 4px;
    font-family: "Microsoft YaHei", "SimSun", serif;
    letter-spacing: 0;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #f6dd8b;
    background: rgba(255, 248, 224, 0.08);
    border-color: rgba(246, 221, 139, 0.24);
    box-shadow: 0 8px 18px rgba(29, 18, 12, 0.12);
}

.logo {
    filter: drop-shadow(0 4px 12px rgba(246, 221, 139, 0.16));
}

.site-prefix-icon {
    filter: drop-shadow(0 5px 12px rgba(122, 30, 20, 0.26));
}

@media (max-width: 900px) {
    .header {
        background: rgba(58, 42, 34, 0.94) !important;
    }

    .nav-menu {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .nav-menu li a {
        padding: 6px 9px;
        font-size: 13px;
    }
}