/* 出版社教材检索页：延续首页“编辑部书房 × 数字出版工作台”视觉体系。 */
.publisher-portal-shell--catalog {
    --portal-ink: #102f3d;
    --portal-ink-soft: #355462;
    --portal-paper: #f5f0e6;
    --portal-ivory: #fffdf8;
    --portal-jade: #2f675e;
    --portal-cinnabar: #bb4d3d;
    --portal-gold: #d5aa58;
    --portal-line: rgba(16, 47, 61, 0.14);
    min-height: 100vh;
    color: var(--portal-ink);
    background:
        radial-gradient(circle at 88% 30%, rgba(47, 103, 94, 0.08), transparent 30rem),
        linear-gradient(180deg, #f8f5ee 0%, #f2eee6 70%, #ece6dc 100%);
    font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

.publisher-portal-shell--catalog .business-shell-header--banner-fill {
    background: linear-gradient(105deg, #123748 0%, #194c60 54%, #173c4a 100%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

.publisher-portal-shell--catalog .business-shell-navbar__brand.business-shell-nav-link.active,
.publisher-portal-shell--catalog .business-shell-nav-link.active {
    background: rgba(255, 253, 248, 0.12) !important;
    box-shadow: inset 0 -2px 0 var(--portal-gold);
}

.publisher-portal-shell--catalog main.portal-catalog-page {
    width: 100%;
    max-width: 1280px;
    padding: 30px 28px 0;
}

.publisher-portal-shell--catalog .portal-catalog-shell {
    overflow: hidden;
    padding: 0;
    border: 1px solid rgba(16, 47, 61, 0.11);
    border-radius: 24px 24px 9px 9px;
    background: var(--portal-ivory);
    box-shadow: 0 30px 80px rgba(31, 49, 48, 0.11);
}

.publisher-portal-shell--catalog .portal-catalog-intro {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 34px;
    min-height: 230px;
    overflow: hidden;
    padding: 46px clamp(34px, 6vw, 76px);
    background:
        linear-gradient(rgba(16, 47, 61, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 47, 61, 0.045) 1px, transparent 1px),
        linear-gradient(125deg, #fffdf8 0%, #f6f0e4 64%, #ebe0cc 100%);
    background-size: 46px 46px, 46px 46px, auto;
}

.publisher-portal-shell--catalog .portal-catalog-intro::after {
    content: "";
    position: absolute;
    top: -130px;
    right: -70px;
    width: 360px;
    height: 360px;
    border: 1px solid rgba(47, 103, 94, 0.13);
    border-radius: 50%;
    box-shadow: 0 0 0 52px rgba(47, 103, 94, 0.035), 0 0 0 104px rgba(47, 103, 94, 0.02);
}

.publisher-portal-shell--catalog .portal-catalog-intro-copy,
.publisher-portal-shell--catalog .portal-catalog-seal {
    position: relative;
    z-index: 1;
}

.publisher-portal-shell--catalog .portal-catalog-intro-copy {
    animation: portal-catalog-rise 0.7s cubic-bezier(.2, .7, .25, 1) both;
}

.publisher-portal-shell--catalog .portal-catalog-kicker {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 13px;
    color: var(--portal-jade);
    font-size: 0.79rem;
    font-weight: 760;
    letter-spacing: 0.18em;
}

.publisher-portal-shell--catalog .portal-catalog-kicker > span {
    width: 34px;
    height: 1px;
    background: var(--portal-cinnabar);
}

.publisher-portal-shell--catalog .portal-catalog-title {
    margin: 0;
    color: var(--portal-ink);
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
    font-size: clamp(2.35rem, 4.5vw, 4rem);
    font-weight: 760;
    line-height: 1.18;
    letter-spacing: -0.04em;
}

.publisher-portal-shell--catalog .portal-catalog-description {
    max-width: 650px;
    margin: 18px 0 0;
    color: var(--portal-ink-soft);
    font-size: 0.96rem;
    line-height: 1.8;
}

.publisher-portal-shell--catalog .portal-catalog-seal {
    width: 148px;
    height: 148px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border: 1px solid rgba(187, 77, 61, 0.32);
    border-radius: 50%;
    color: var(--portal-cinnabar);
    background: rgba(255, 253, 248, 0.68);
    box-shadow: inset 0 0 0 7px rgba(255, 253, 248, 0.9), inset 0 0 0 8px rgba(187, 77, 61, 0.12);
    transform: rotate(5deg);
    animation: portal-catalog-rise 0.75s 0.08s cubic-bezier(.2, .7, .25, 1) both;
}

.publisher-portal-shell--catalog .portal-catalog-seal span {
    font-size: 0.66rem;
    letter-spacing: 0.14em;
}

.publisher-portal-shell--catalog .portal-catalog-seal strong {
    margin-top: 8px;
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 1.18rem;
    letter-spacing: 0.12em;
}

.publisher-portal-shell--catalog .portal-catalog-filter-section {
    position: relative;
    padding: 36px clamp(30px, 5vw, 62px) 30px;
}

.publisher-portal-shell--catalog .portal-catalog-section-index {
    position: absolute;
    top: 51px;
    left: 24px;
    color: rgba(187, 77, 61, 0.38);
    font-family: Georgia, serif;
    font-size: 0.7rem;
    font-weight: 700;
    transform: rotate(-90deg);
}

.publisher-portal-shell--catalog .portal-search-panel {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.publisher-portal-shell--catalog .portal-search-panel-body { padding: 0; }

.publisher-portal-shell--catalog .portal-search-form-inline {
    display: grid;
    grid-template-columns: minmax(260px, 2fr) minmax(130px, 0.85fr) minmax(130px, 0.9fr) minmax(150px, 1fr) auto auto;
    align-items: end;
    gap: 12px;
}

.publisher-portal-shell--catalog .portal-search-field {
    width: auto;
    min-width: 0;
    display: flex;
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
}

.publisher-portal-shell--catalog .portal-search-field .form-label {
    margin: 0;
    color: #5d7175;
    font-size: 0.72rem;
    font-weight: 720;
    letter-spacing: 0.08em;
}

.publisher-portal-shell--catalog .portal-search-control { position: relative; }

.publisher-portal-shell--catalog .portal-search-control > .bi {
    position: absolute;
    top: 50%;
    left: 14px;
    z-index: 2;
    color: var(--portal-cinnabar);
    transform: translateY(-50%);
}

.publisher-portal-shell--catalog .portal-search-control .form-control { padding-left: 40px; }

.publisher-portal-shell--catalog .portal-search-field .form-control,
.publisher-portal-shell--catalog .portal-search-field .form-select {
    width: 100%;
    min-height: 48px;
    border: 1px solid rgba(16, 47, 61, 0.16);
    border-radius: 9px;
    color: var(--portal-ink);
    background-color: #fffefa;
    box-shadow: none;
    font-size: 0.9rem;
}

.publisher-portal-shell--catalog .portal-search-field .form-control:focus,
.publisher-portal-shell--catalog .portal-search-field .form-select:focus {
    border-color: rgba(47, 103, 94, 0.58);
    box-shadow: 0 0 0 3px rgba(47, 103, 94, 0.1);
}

.publisher-portal-shell--catalog .portal-search-checkbox {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 0 12px;
    border: 1px solid rgba(16, 47, 61, 0.16);
    border-radius: 9px;
    color: var(--portal-ink-soft);
    background: #fffefa;
    font-size: 0.84rem;
    font-weight: 650;
    white-space: nowrap;
    cursor: pointer;
}

.publisher-portal-shell--catalog .portal-search-checkbox input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

.publisher-portal-shell--catalog .portal-search-checkbox-mark {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 20px;
    border: 1px solid rgba(16, 47, 61, 0.35);
    border-radius: 5px;
    color: transparent;
    background: #ffffff;
}

.publisher-portal-shell--catalog .portal-search-checkbox input:checked + .portal-search-checkbox-mark {
    border-color: var(--portal-jade);
    color: #ffffff;
    background: var(--portal-jade);
}

.publisher-portal-shell--catalog .portal-search-checkbox input:focus-visible + .portal-search-checkbox-mark {
    outline: 3px solid rgba(47, 103, 94, 0.18);
    outline-offset: 2px;
}

.publisher-portal-shell--catalog .portal-search-submit {
    min-width: 126px;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    border: 1px solid var(--portal-ink);
    border-radius: 9px;
    color: #fffaf0;
    background: var(--portal-ink);
    box-shadow: none;
    font-size: 0.88rem;
    font-weight: 720;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.publisher-portal-shell--catalog .portal-search-submit:hover,
.publisher-portal-shell--catalog .portal-search-submit:focus {
    border-color: var(--portal-cinnabar);
    color: #ffffff;
    background: var(--portal-cinnabar);
    transform: translateY(-1px);
}

.publisher-portal-shell--catalog .portal-search-shell-divider {
    height: 1px;
    margin: 0 clamp(30px, 5vw, 62px);
    background: transparent;
}

.publisher-portal-shell--catalog .portal-search-shell-divider span {
    display: block;
    height: 1px;
    background: linear-gradient(90deg, var(--portal-line), rgba(187, 77, 61, 0.42), var(--portal-line));
}

.publisher-portal-shell--catalog .portal-catalog-results {
    padding: 32px clamp(30px, 5vw, 62px) 54px;
}

.publisher-portal-shell--catalog .portal-search-result-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.publisher-portal-shell--catalog .portal-catalog-results-kicker {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 5px;
    color: var(--portal-cinnabar);
    font-size: 0.7rem;
    font-weight: 740;
    letter-spacing: 0.16em;
}

.publisher-portal-shell--catalog .portal-catalog-results-kicker span {
    color: rgba(187, 77, 61, 0.5);
    font-family: Georgia, serif;
}

.publisher-portal-shell--catalog .portal-search-result-title {
    color: var(--portal-ink);
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
    font-size: clamp(1.7rem, 3vw, 2.25rem);
    font-weight: 720;
    letter-spacing: -0.02em;
}

.publisher-portal-shell--catalog .portal-search-result-count {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 6px 11px;
    border: 1px solid rgba(47, 103, 94, 0.17);
    border-radius: 999px;
    color: var(--portal-jade);
    background: #eef3ee;
    font-size: 0.78rem;
    font-weight: 700;
}

.publisher-portal-shell--catalog .portal-search-result-grid .row { row-gap: 22px; }

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(16, 47, 61, 0.12) !important;
    border-radius: 14px;
    background: #fffdf9;
    box-shadow: 0 12px 28px rgba(16, 47, 61, 0.065) !important;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.publisher-portal-shell--catalog .portal-search-result-grid .col-md-6:first-child .portal-book-card {
    border-color: rgba(16, 47, 61, 0.12) !important;
    background: #fffdf9;
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 3px;
    background: var(--portal-cinnabar);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card:hover,
.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card:focus-within {
    border-color: rgba(47, 103, 94, 0.35) !important;
    box-shadow: 0 20px 40px rgba(16, 47, 61, 0.12) !important;
    transform: translateY(-4px);
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card:hover::after,
.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card:focus-within::after { opacity: 1; }

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card-inner {
    gap: 18px;
    padding: 18px;
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-cover-box {
    overflow: hidden;
    border: 1px solid rgba(16, 47, 61, 0.08);
    border-radius: 8px 12px 12px 8px;
    background: #eee8dc;
    box-shadow: 7px 8px 18px rgba(16, 47, 61, 0.11);
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-cover-image {
    transition: transform 0.45s cubic-bezier(.2, .7, .25, 1);
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card:hover .portal-book-cover-image { transform: scale(1.035); }

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-title {
    color: var(--portal-ink);
    font-family: "Noto Serif SC", "Songti SC", STSong, serif;
    font-size: 1.06rem;
    line-height: 1.52;
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-meta { color: #65787d; }
.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-meta .bi { color: var(--portal-jade); }
.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-summary { color: #425b64; }

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-tags span {
    border: 1px solid rgba(47, 103, 94, 0.12);
    color: #41675f;
    background: #edf3ee;
}

.publisher-portal-shell--catalog .portal-search-result-grid .portal-book-cta {
    color: var(--portal-cinnabar);
    font-weight: 740;
}

.publisher-portal-shell--catalog .portal-search-empty-state {
    min-height: 280px;
    border: 1px dashed rgba(47, 103, 94, 0.26);
    border-radius: 14px;
    color: var(--portal-ink-soft);
    background: #faf7f0;
}

.publisher-portal-shell--catalog .portal-search-empty-icon {
    display: block;
    margin-bottom: 14px;
    color: var(--portal-cinnabar);
    font-size: 2rem;
}

.publisher-portal-shell--catalog .portal-catalog-pagination {
    margin-bottom: 0;
    padding: 0 clamp(30px, 5vw, 62px) 38px;
}

.publisher-portal-shell--catalog .portal-catalog-pagination .page-link {
    border-color: rgba(16, 47, 61, 0.14);
    color: var(--portal-ink);
    background: var(--portal-ivory);
}

.publisher-portal-shell--catalog .portal-catalog-pagination .page-link:hover {
    color: var(--portal-cinnabar);
    background: #f5eee3;
}

.publisher-portal-shell--catalog .portal-footer {
    margin-top: 34px !important;
    border-color: rgba(16, 47, 61, 0.12) !important;
    color: rgba(255, 253, 248, 0.72);
    background: var(--portal-ink) !important;
}

.publisher-portal-shell--catalog .portal-footer a,
.publisher-portal-shell--catalog .portal-footer .text-dark { color: #fffdf8 !important; }

@keyframes portal-catalog-rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1199.98px) {
    .publisher-portal-shell--catalog .portal-search-form-inline {
        grid-template-columns: minmax(260px, 2fr) repeat(3, minmax(130px, 1fr));
    }
    .publisher-portal-shell--catalog .portal-search-checkbox,
    .publisher-portal-shell--catalog .portal-search-field-action { grid-column: span 2; }
    .publisher-portal-shell--catalog .portal-search-submit { width: 100%; }
}

@media (max-width: 767.98px) {
    .publisher-portal-shell--catalog main.portal-catalog-page { padding: 14px 12px 0; }
    .publisher-portal-shell--catalog .portal-catalog-shell { border-radius: 20px 20px 7px 7px; }
    .publisher-portal-shell--catalog .portal-catalog-intro {
        grid-template-columns: 1fr;
        min-height: 0;
        padding: 38px 24px 34px;
    }
    .publisher-portal-shell--catalog .portal-catalog-title { font-size: clamp(2.15rem, 10vw, 3.1rem); }
    .publisher-portal-shell--catalog .portal-catalog-description { font-size: 0.9rem; }
    .publisher-portal-shell--catalog .portal-catalog-seal { display: none; }
    .publisher-portal-shell--catalog .portal-catalog-filter-section { padding: 28px 20px; }
    .publisher-portal-shell--catalog .portal-catalog-section-index { display: none; }
    .publisher-portal-shell--catalog .portal-search-form-inline { grid-template-columns: 1fr 1fr; gap: 14px 10px; }
    .publisher-portal-shell--catalog .portal-search-field-keyword,
    .publisher-portal-shell--catalog .portal-search-field-institution,
    .publisher-portal-shell--catalog .portal-search-checkbox,
    .publisher-portal-shell--catalog .portal-search-field-action { grid-column: 1 / -1; }
    .publisher-portal-shell--catalog .portal-search-checkbox { width: 100%; }
    .publisher-portal-shell--catalog .portal-search-shell-divider { margin: 0 20px; }
    .publisher-portal-shell--catalog .portal-catalog-results { padding: 28px 20px 38px; }
    .publisher-portal-shell--catalog .portal-search-result-head { align-items: flex-end; }
    .publisher-portal-shell--catalog .portal-catalog-pagination { padding: 0 20px 28px; }
}

@media (max-width: 420px) {
    .publisher-portal-shell--catalog .portal-search-form-inline { grid-template-columns: 1fr; }
    .publisher-portal-shell--catalog .portal-search-field,
    .publisher-portal-shell--catalog .portal-search-field-keyword,
    .publisher-portal-shell--catalog .portal-search-field-institution,
    .publisher-portal-shell--catalog .portal-search-checkbox,
    .publisher-portal-shell--catalog .portal-search-field-action { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .publisher-portal-shell--catalog .portal-catalog-intro-copy,
    .publisher-portal-shell--catalog .portal-catalog-seal { animation: none; }
    .publisher-portal-shell--catalog .portal-search-result-grid .portal-book-card,
    .publisher-portal-shell--catalog .portal-search-result-grid .portal-book-cover-image,
    .publisher-portal-shell--catalog .portal-search-submit { transition: none; }
}