/*
Theme Name: Zibll 教育资源门户
Description: 面向题库、课程、资料和教育资讯的子比主题子主题。
Author: Codex
Template: zibll
Version: 1.0.0
Text Domain: zibll-edu-portal
*/

:root {
    --edu-ink: #17324d;
    --edu-muted: #64748b;
    --edu-teal: #087f8c;
    --edu-teal-dark: #075e69;
    --edu-warm: #f08c46;
    --edu-bg: #f5f8fa;
    --edu-surface: #ffffff;
    --edu-line: #dbe5ea;
    --edu-radius: 8px;
    --edu-shadow: 0 12px 30px rgba(24, 54, 72, 0.08);
}

.zibll-edu-portal {
    display: flex;
    flex-direction: column;
    color: var(--edu-ink);
    background: var(--edu-bg);
    overflow: hidden;
}

.zibll-edu-portal a {
    color: inherit;
}

.zibll-edu-portal a:focus-visible,
.zibll-edu-portal button:focus-visible,
.zibll-edu-portal input:focus-visible {
    outline: 3px solid rgba(240, 140, 70, 0.55);
    outline-offset: 3px;
}

.zibll-edu-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
}

.zibll-edu-hero {
    order: 1;
    padding: 72px 0 56px;
    background: #e8f3f3;
    border-bottom: 1px solid var(--edu-line);
}

.zibll-edu-logo {
    display: block;
    max-width: 170px;
    max-height: 58px;
    margin: 0 0 18px;
    object-fit: contain;
    object-position: left center;
}

.zibll-edu-hero.has-banner {
    background-position: center;
    background-size: cover;
}

.zibll-edu-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 56px;
    align-items: center;
}

.zibll-edu-eyebrow {
    margin: 0 0 14px;
    color: var(--edu-teal-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.zibll-edu-hero h1 {
    max-width: 620px;
    margin: 0;
    color: var(--edu-ink);
    font-size: 58px;
    line-height: 1.12;
}

.zibll-edu-hero-copy {
    max-width: 570px;
    margin: 20px 0 0;
    color: var(--edu-muted);
    font-size: 17px;
    line-height: 1.8;
}

.zibll-edu-search {
    display: flex;
    gap: 10px;
    max-width: 620px;
    margin-top: 30px;
}

.zibll-edu-search input {
    min-width: 0;
    flex: 1;
    height: 52px;
    padding: 0 18px;
    color: var(--edu-ink);
    background: var(--edu-surface);
    border: 1px solid var(--edu-line);
    border-radius: var(--edu-radius);
    box-shadow: 0 4px 12px rgba(24, 54, 72, 0.04);
}

.zibll-edu-search button,
.zibll-edu-section-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 19px;
    color: #fff;
    background: var(--edu-teal);
    border: 0;
    border-radius: var(--edu-radius);
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}

.zibll-edu-search button:hover,
.zibll-edu-section-link:hover {
    background: var(--edu-teal-dark);
    color: #fff;
}

.zibll-edu-hero-panel {
    padding: 28px;
    background: var(--edu-ink);
    border-radius: var(--edu-radius);
    box-shadow: var(--edu-shadow);
}

.zibll-edu-panel-label {
    margin: 0 0 22px;
    color: #b9d9da;
    font-size: 13px;
    font-weight: 700;
}

.zibll-edu-panel-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.zibll-edu-panel-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 16px;
    color: #fff;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    text-decoration: none;
}

.zibll-edu-panel-list a:hover {
    background: rgba(255, 255, 255, 0.16);
}

.zibll-edu-panel-list small {
    color: #a9c5cc;
    font-size: 12px;
}

.zibll-edu-section {
    order: 2;
    padding: 52px 0 0;
}

.zibll-edu-section:last-child {
    padding-bottom: 56px;
}

.zibll-edu-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

.zibll-edu-section-heading h2 {
    margin: 0;
    color: var(--edu-ink);
    font-size: 27px;
    line-height: 1.25;
}

.zibll-edu-section-heading p {
    margin: 8px 0 0;
    color: var(--edu-muted);
}

.zibll-edu-section-link {
    flex: 0 0 auto;
    min-height: 36px;
    padding: 0 14px;
    color: var(--edu-teal-dark);
    background: transparent;
    border: 1px solid var(--edu-line);
    font-size: 13px;
}

.zibll-edu-section-link:hover {
    color: #fff;
    border-color: var(--edu-teal);
}

.zibll-edu-quick-grid,
.zibll-edu-card-grid,
.zibll-edu-split-grid {
    display: grid;
    gap: 16px;
}

.zibll-edu-quick-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
}

.zibll-edu-quick-card,
.zibll-edu-card,
.zibll-edu-service {
    background: var(--edu-surface);
    border: 1px solid var(--edu-line);
    border-radius: var(--edu-radius);
}

.zibll-edu-quick-card {
    min-height: 142px;
    padding: 20px;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.zibll-edu-quick-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--edu-shadow);
}

.zibll-edu-quick-number {
    display: block;
    margin-bottom: 20px;
    color: var(--edu-warm);
    font-size: 13px;
    font-weight: 800;
}

.zibll-edu-quick-card strong {
    display: block;
    margin-bottom: 6px;
    font-size: 17px;
}

.zibll-edu-quick-card span:last-child {
    color: var(--edu-muted);
    font-size: 13px;
    line-height: 1.5;
}

.zibll-edu-card-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.zibll-edu-card {
    min-width: 0;
    overflow: hidden;
}

.zibll-edu-card-image {
    display: block;
    aspect-ratio: 16 / 9;
    width: 100%;
    object-fit: cover;
    background: #dceced;
}

.zibll-edu-card-placeholder {
    display: grid;
    place-items: center;
    aspect-ratio: 16 / 9;
    color: var(--edu-teal-dark);
    background: #dceced;
    font-size: 27px;
    font-weight: 800;
}

.zibll-edu-card-body {
    padding: 17px;
}

.zibll-edu-card-body h3 {
    margin: 0;
    font-size: 17px;
    line-height: 1.45;
}

.zibll-edu-card-body h3 a {
    text-decoration: none;
}

.zibll-edu-card-body h3 a:hover {
    color: var(--edu-teal);
}

.zibll-edu-card-meta {
    display: block;
    margin-top: 10px;
    color: var(--edu-muted);
    font-size: 12px;
}

.zibll-edu-split-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.zibll-edu-news-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    background: var(--edu-surface);
    border: 1px solid var(--edu-line);
    border-radius: var(--edu-radius);
    list-style: none;
}

.zibll-edu-news-list li + li {
    border-top: 1px solid var(--edu-line);
}

.zibll-edu-news-list a {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 17px 20px;
    text-decoration: none;
}

.zibll-edu-news-list a:hover strong {
    color: var(--edu-teal);
}

.zibll-edu-news-list strong {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.zibll-edu-news-list time {
    flex: 0 0 auto;
    color: var(--edu-muted);
    font-size: 12px;
}

.zibll-edu-service {
    padding: 24px;
    background: #fff8f1;
    border-color: #f5dcc8;
}

.zibll-edu-service h3 {
    margin: 0 0 10px;
    font-size: 20px;
}

.zibll-edu-service p {
    margin: 0 0 20px;
    color: var(--edu-muted);
    line-height: 1.7;
}

.zibll-edu-service-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.zibll-edu-service-actions a {
    padding: 10px 13px;
    color: var(--edu-ink);
    background: #fff;
    border: 1px solid #ebccb1;
    border-radius: 6px;
    font-size: 13px;
    text-decoration: none;
}

.zibll-edu-service-actions a:hover {
    color: var(--edu-teal-dark);
    border-color: var(--edu-teal);
}

.zibll-edu-empty {
    padding: 22px;
    color: var(--edu-muted);
    background: var(--edu-surface);
    border: 1px dashed var(--edu-line);
    border-radius: var(--edu-radius);
}

.zibll-edu-listing-header {
    padding: 54px 0 42px;
    background: #e8f3f3;
    border-bottom: 1px solid var(--edu-line);
}

.zibll-edu-listing-header h1 {
    margin: 0;
    font-size: 42px;
    line-height: 1.2;
}

.zibll-edu-listing-header p:not(.zibll-edu-eyebrow) {
    max-width: 650px;
    margin: 14px 0 0;
    color: var(--edu-muted);
    line-height: 1.7;
}

.zibll-edu-listing-filters {
    display: flex;
    gap: 10px;
    margin-top: 26px;
}

.zibll-edu-listing-filters input,
.zibll-edu-listing-filters select {
    min-width: 0;
    height: 44px;
    padding: 0 13px;
    color: var(--edu-ink);
    background: #fff;
    border: 1px solid var(--edu-line);
    border-radius: 6px;
}

.zibll-edu-listing-filters input {
    width: min(420px, 100%);
    flex: 1;
}

.zibll-edu-listing-filters button {
    min-width: 78px;
    padding: 0 15px;
    color: #fff;
    background: var(--edu-teal);
    border: 0;
    border-radius: 6px;
    font-weight: 700;
    cursor: pointer;
}

.zibll-edu-listing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.zibll-edu-listing-card h2 {
    margin: 0;
    font-size: 19px;
    line-height: 1.45;
}

.zibll-edu-listing-card h2 a {
    text-decoration: none;
}

.zibll-edu-listing-card h2 a:hover {
    color: var(--edu-teal);
}

.zibll-edu-listing-card p {
    margin: 10px 0 0;
    color: var(--edu-muted);
    font-size: 13px;
    line-height: 1.7;
}

.zibll-edu-pagination {
    margin-top: 28px;
}

.zibll-edu-pagination ul {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.zibll-edu-pagination a,
.zibll-edu-pagination span {
    display: grid;
    min-width: 36px;
    height: 36px;
    place-items: center;
    padding: 0 9px;
    color: var(--edu-ink);
    background: #fff;
    border: 1px solid var(--edu-line);
    border-radius: 5px;
    text-decoration: none;
}

.zibll-edu-pagination .current,
.zibll-edu-pagination a:hover {
    color: #fff;
    background: var(--edu-teal);
    border-color: var(--edu-teal);
}

.zibll-edu-materials-note {
    margin-top: 18px;
    color: var(--edu-teal-dark);
    font-weight: 700;
}

.zibll-edu-materials-note a {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.zibll-edu-mobile-nav {
    display: none;
}

.zibll-edu-bottom-bar {
    display: none;
}

@media (max-width: 960px) {
    .zibll-edu-hero-grid,
    .zibll-edu-split-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .zibll-edu-quick-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .zibll-edu-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zibll-edu-listing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .zibll-edu-container {
        width: min(100% - 24px, 520px);
    }

    .zibll-edu-hero {
        padding: 44px 0 36px;
    }

    .zibll-edu-hero h1 {
        font-size: 36px;
    }

    .zibll-edu-listing-header h1 {
        font-size: 34px;
    }

    .zibll-edu-hero-copy {
        font-size: 15px;
    }

    .zibll-edu-search {
        flex-direction: column;
    }

    .zibll-edu-search button {
        width: 100%;
    }

    .zibll-edu-listing-filters {
        align-items: stretch;
        flex-direction: column;
    }

    .zibll-edu-listing-filters input,
    .zibll-edu-listing-filters select,
    .zibll-edu-listing-filters button {
        width: 100%;
    }

    .zibll-edu-quick-grid,
    .zibll-edu-card-grid,
    .zibll-edu-listing-grid {
        grid-template-columns: 1fr 1fr;
    }

    .zibll-edu-quick-card {
        min-height: 128px;
        padding: 16px;
    }

    .zibll-edu-section-heading {
        align-items: start;
        flex-direction: column;
        gap: 12px;
    }

    .zibll-edu-news-list a {
        align-items: start;
        flex-direction: column;
        gap: 7px;
    }

    .zibll-edu-news-list strong {
        white-space: normal;
    }

    .zibll-edu-mobile-nav {
        display: block;
        padding: 10px 0;
        background: var(--edu-ink);
    }

    .zibll-edu-mobile-nav-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 8px 0;
        color: #fff;
        background: transparent;
        border: 0;
        font-size: 14px;
        font-weight: 700;
    }

    .zibll-edu-mobile-nav-links {
        display: none;
        gap: 6px;
        padding: 8px 0 4px;
    }

    .zibll-edu-mobile-nav.is-open .zibll-edu-mobile-nav-links {
        display: grid;
    }

    .zibll-edu-mobile-nav-links a {
        padding: 10px 0;
        color: #d9eef0;
        text-decoration: none;
    }

    .zibll-edu-bottom-bar {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 1000;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
        background: #fff;
        border-top: 1px solid var(--edu-line);
        box-shadow: 0 -8px 20px rgba(24, 54, 72, 0.08);
    }

    .zibll-edu-bottom-bar a {
        display: grid;
        gap: 3px;
        justify-items: center;
        color: var(--edu-muted);
        font-size: 18px;
        text-decoration: none;
    }

    .zibll-edu-bottom-bar small {
        font-size: 11px;
    }

    .zibll-edu-bottom-bar a:hover {
        color: var(--edu-teal);
    }

    body {
        padding-bottom: 66px;
    }
}