/**
 * 赞助物品列表 · 与首页 / site-tokens 统一
 */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--site-font);
    color: var(--site-text);
    background: transparent;
    min-height: 100vh;
}

.page-wrap {
    width: min(72rem, 100% - 1.5rem);
    margin: 1rem auto 3rem;
}

/* ----- 页头 ----- */
.page-header {
    text-align: center;
    margin-bottom: 1.75rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    text-decoration: none;
    color: var(--site-muted);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    margin-bottom: 0.75rem;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.back-link:hover {
    color: var(--site-accent-text);
    background: var(--site-accent-dim);
    border-color: var(--site-border);
}

body.dark-theme .back-link:hover {
    color: var(--site-accent);
}

.page-header h1 {
    margin: 0;
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(120deg, var(--site-accent-text), var(--site-accent) 45%, var(--site-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-theme .page-header h1 {
    background: linear-gradient(120deg, #5eead4, var(--site-accent) 50%, var(--site-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    margin: 0.5rem 0 0;
    font-size: 0.9rem;
    color: var(--site-muted);
}

/* ----- 公告 ----- */
.catalog-announcement {
    margin-bottom: 1.35rem;
    border-radius: var(--site-radius);
    border: 1px solid var(--site-border);
    background: var(--site-surface);
    box-shadow: var(--site-shadow);
    overflow: hidden;
    border-left: 3px solid var(--site-accent);
}

.catalog-announcement-inner {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem 1.15rem;
}

.catalog-announcement-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--site-radius-sm);
    background: var(--site-accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--site-accent-text);
    font-size: 1rem;
}

body.dark-theme .catalog-announcement-icon {
    color: var(--site-accent);
}

.catalog-announcement-text {
    flex: 1;
    line-height: 1.65;
    color: var(--site-text);
    font-size: 0.875rem;
    opacity: 0.92;
}

/* ----- 分类 ----- */
.catalog-category-nav {
    position: sticky;
    top: 0;
    z-index: 40;
    margin: 0 0 1rem;
    padding: 0.5rem 0 0.75rem;
    background: var(--site-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--site-border);
    border-radius: var(--site-radius-sm) var(--site-radius-sm) 0 0;
}

.catalog-category-nav-inner {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.45rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.15rem 0 0.35rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.catalog-category-nav-inner::-webkit-scrollbar {
    height: 0;
    display: none;
}

.catalog-nav-link {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--site-muted);
    text-decoration: none;
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    cursor: pointer;
    transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.catalog-nav-link:hover {
    color: var(--site-text);
    border-color: var(--site-accent-dim);
    background: var(--site-accent-dim);
}

.catalog-nav-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--site-accent-dim);
}

.catalog-nav-link--active {
    color: #fff !important;
    background: linear-gradient(135deg, var(--site-accent), #0f766e) !important;
    border-color: transparent !important;
    box-shadow: 0 4px 16px rgba(13, 148, 136, 0.28);
}

body.dark-theme .catalog-nav-link--active {
    background: linear-gradient(135deg, #2dd4bf, #0d9488) !important;
    box-shadow: 0 4px 18px rgba(45, 212, 191, 0.2);
}

.catalog-nav-link--active:hover {
    color: #fff !important;
    filter: brightness(1.05);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ----- 搜索 ----- */
.catalog-search-bar {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    max-width: 100%;
    margin: 0 0 1.25rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--site-border);
    background: var(--site-surface);
    box-shadow: var(--site-shadow);
}

.catalog-search-label {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--site-muted);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.catalog-search-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--site-text);
    outline: none;
}

.catalog-search-input::placeholder {
    color: var(--site-faint);
}

.catalog-search-clear {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--site-accent-dim);
    color: var(--site-accent-text);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

body.dark-theme .catalog-search-clear {
    color: var(--site-accent);
}

.catalog-search-clear:hover {
    background: rgba(220, 38, 38, 0.15);
    color: #dc2626;
}

.catalog-search-empty {
    margin: 0 0 1rem;
    padding: 0.85rem 1rem;
    text-align: center;
    font-size: 0.875rem;
    color: var(--site-muted);
    background: var(--site-surface);
    border: 1px dashed var(--site-border);
    border-radius: var(--site-radius-sm);
}

.catalog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.75rem 0 0.5rem;
}

.catalog-page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    border: 1px solid var(--site-border);
    background: var(--site-surface);
    color: var(--site-accent-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.8125rem;
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

body.dark-theme .catalog-page-link {
    color: var(--site-accent);
}

.catalog-page-link:hover {
    transform: translateY(-1px);
    box-shadow: var(--site-shadow);
}

.catalog-page-link.is-disabled {
    pointer-events: none;
    opacity: 0.4;
    color: var(--site-muted);
}

.catalog-page-meta {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--site-muted);
}

.catalog-main {
    display: block;
}

.catalog-active-cat-hint {
    margin: 0 0 0.75rem;
    padding: 0;
    text-align: center;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--site-muted);
    letter-spacing: 0.04em;
}

.catalog-card[hidden] {
    display: none !important;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15.5rem, 1fr));
    gap: 1rem;
}

@media (min-width: 900px) {
    .catalog-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.catalog-card {
    border: 1px solid var(--site-border);
    border-radius: var(--site-radius);
    background: var(--site-surface);
    box-shadow: var(--site-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.catalog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--site-shadow-lg);
    border-color: rgba(13, 148, 136, 0.25);
}

body.dark-theme .catalog-card:hover {
    border-color: rgba(45, 212, 191, 0.22);
}

.catalog-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--site-bg-2);
    overflow: hidden;
}

.catalog-card-image-frame {
    position: relative;
    width: 100%;
    height: 100%;
}

.catalog-card-image--zoom {
    cursor: zoom-in;
}

.catalog-card-image--multi {
    cursor: default;
}

.catalog-card-image--multi .catalog-card-img-el {
    cursor: zoom-in;
}

.catalog-card-image--zoom:focus-visible {
    outline: 2px solid var(--site-accent);
    outline-offset: 2px;
}

.catalog-card-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 2rem;
    height: 2rem;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(9, 9, 11, 0.55);
    color: #fff;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
}

.catalog-card-arrow:hover {
    background: rgba(9, 9, 11, 0.78);
}

.catalog-card-arrow:active {
    transform: translateY(-50%) scale(0.94);
}

.catalog-card-arrow--prev {
    left: 0.5rem;
}

.catalog-card-arrow--next {
    right: 0.5rem;
}

.catalog-card-arrow i {
    font-size: 0.75rem;
    pointer-events: none;
}

.catalog-img-count {
    position: absolute;
    right: 0.5rem;
    bottom: 0.5rem;
    z-index: 4;
    padding: 0.2rem 0.45rem;
    border-radius: var(--site-radius-sm);
    font-size: 0.65rem;
    font-weight: 800;
    color: #fff;
    background: rgba(9, 9, 11, 0.72);
    pointer-events: none;
}

.catalog-card-image img,
.catalog-card-img-el {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.catalog-card-img-el {
    opacity: 1;
    transition: opacity 0.28s ease;
    will-change: opacity;
}

@media (prefers-reduced-motion: reduce) {
    .catalog-card-img-el {
        transition: none;
        will-change: auto;
    }
}

.catalog-card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--site-muted);
    font-size: 2rem;
}

.catalog-card-body {
    padding: 0.9rem 1rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.catalog-card-title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--site-text);
    line-height: 1.35;
}

.catalog-card-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.catalog-price-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--site-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.catalog-price-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--site-accent-text);
    font-variant-numeric: tabular-nums;
}

body.dark-theme .catalog-price-value {
    color: var(--site-accent);
}

.catalog-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2.5rem 1.25rem;
    border: 1px dashed var(--site-border);
    border-radius: var(--site-radius);
    background: var(--site-surface);
    color: var(--site-muted);
}

.catalog-empty i {
    font-size: 2.25rem;
    margin-bottom: 0.65rem;
    opacity: 0.55;
    color: var(--site-accent);
}

.catalog-empty p {
    margin: 0;
    font-size: 0.9rem;
}

/* ----- Lightbox ----- */
.catalog-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.catalog-lightbox[hidden] {
    display: none !important;
}

.catalog-lightbox-backdrop {
    position: absolute;
    inset: 0;
    margin: 0;
    padding: 0;
    border: none;
    background: rgba(9, 9, 11, 0.82);
    cursor: pointer;
    z-index: 0;
}

.catalog-lightbox-img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    max-width: min(90vw, 920px);
    max-height: min(82vh, 720px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--site-radius-sm);
    box-shadow: var(--site-shadow-lg);
}

.catalog-lightbox-close,
.catalog-lightbox-prev,
.catalog-lightbox-next {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    border-radius: var(--site-radius-sm);
    cursor: pointer;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    transition: background 0.2s ease;
}

.catalog-lightbox-close:hover,
.catalog-lightbox-prev:hover,
.catalog-lightbox-next:hover {
    background: rgba(255, 255, 255, 0.22);
}

.catalog-lightbox-close {
    top: 1rem;
    right: 1rem;
}

.catalog-lightbox-prev {
    left: max(0.75rem, env(safe-area-inset-left));
    top: 50%;
    transform: translateY(-50%);
}

.catalog-lightbox-next {
    right: max(0.75rem, env(safe-area-inset-right));
    top: 50%;
    transform: translateY(-50%);
}

.catalog-lightbox-counter {
    position: absolute;
    bottom: max(1rem, env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #fff;
    background: rgba(9, 9, 11, 0.6);
}

@media (max-width: 480px) {
    .catalog-announcement-inner {
        flex-direction: column;
    }
}