/*
Theme Name: Astra Child - 盟略咨询知识库
Theme URI: https://www.phaseconsulting.cn
Template: astra
Version: 1.0.0
Description: 盟略咨询知识库子主题：红主题卡片墙 + 面包屑详情页
Author: 盟略咨询
*/

/* ── 变量与基础 ── */
:root {
    --phase-red: #E31E24;
    --phase-red-dark: #B8151A;
    --phase-red-light: #F04045;
    --phase-charcoal: #2D2D2D;
    --phase-dark-gray: #444444;
    --phase-medium-gray: #777777;
    --phase-light-gray: #F6F6F6;
    --phase-border: #E5E5E5;
    --phase-white: #FFFFFF;
    --phase-radius: 12px;
    --phase-shadow: 0 4px 20px rgba(0,0,0,0.06);
    --phase-shadow-hover: 0 12px 32px rgba(0,0,0,0.1);
}

/* ── 自建容器 phase-container：彻底脱离 Astra .ast-container 的 sidebar grid 干扰 ── */
/* 模板内已不再使用 .ast-container，避免 Astra 开启侧边栏时把它变成 grid 挤压 Hero/卡片墙 */
.phase-container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

/* ── 防御 Astra 外层 .ast-container 被 sidebar 设为 grid，导致区块并排 ── */
/* 强制知识库各区块在父级 grid 中横跨所有列、独占一行，保持垂直堆叠 */
.phase-kb-hero,
.phase-kb-filters,
.phase-kb-grid-wrap,
.phase-category-title {
    grid-column: 1 / -1 !important;
    width: 100% !important;
}

/* ── 终极防御：在博客/分类/单文页把 Astra 的 .ast-container 恢复为 block ── */
/* 这样无论 Astra 怎么设 sidebar grid，知识库内容都按正常文档流垂直堆叠 */
.blog .ast-container,
.archive .ast-container,
.category .ast-container,
.single-post .ast-container {
    display: block !important;
    width: 100% !important;
}

/* ── 知识库列表页 Hero ── */
.phase-kb-hero {
    background: linear-gradient(180deg, #F2F3F5 0%, #F8F9FA 100%);
    border-bottom: 1px solid var(--phase-border);
    padding: 80px 0 56px;
    text-align: center;
    position: relative;
}

/* 返回首页按钮：右上角绝对定位 */
.phase-back-home {
    position: absolute;
    top: 20px;
    right: 24px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 20px;
    background: var(--phase-red);
    color: var(--phase-white) !important;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    text-decoration: none !important;
    transition: background 0.25s ease, transform 0.2s ease;
}

.phase-back-home:hover {
    background: var(--phase-red-dark);
    transform: translateX(-2px);
}

.phase-kb-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--phase-charcoal);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.phase-kb-hero p {
    font-size: 1.1rem;
    color: var(--phase-medium-gray);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
    display: block;
}

/* 保证搜索框在 Hero 内居中 */
.phase-kb-hero .phase-kb-search {
    display: inline-flex;
}

/* ── 搜索框 ── */
.phase-kb-search {
    display: inline-flex;
    align-items: center;
    max-width: 560px;
    width: 100%;
    background: var(--phase-white);
    border: 1px solid var(--phase-border);
    border-radius: 100px;
    padding: 6px;
    box-shadow: var(--phase-shadow);
    transition: box-shadow 0.25s ease;
}

.phase-kb-search:focus-within {
    box-shadow: 0 6px 24px rgba(227,30,36,0.1);
    border-color: rgba(227,30,36,0.3);
}

.phase-kb-search input[type="search"] {
    flex: 1;
    border: 0;
    background: transparent;
    padding: 12px 18px;
    font-size: 1rem;
    color: var(--phase-charcoal);
    outline: none;
}

.phase-kb-search input[type="search"]::placeholder {
    color: #aaa;
}

.phase-kb-search button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 0;
    background: var(--phase-red);
    color: var(--phase-white);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 100px;
    cursor: pointer;
    transition: background 0.25s ease;
}

.phase-kb-search button:hover {
    background: var(--phase-red-dark);
}

/* ── 分类筛选胶囊 ── */
.phase-kb-filters {
    background: var(--phase-white);
    padding: 24px 0;
    border-bottom: 1px solid var(--phase-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.phase-kb-filters .phase-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.phase-kb-filters a {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 100px;
    border: 1px solid var(--phase-border);
    color: var(--phase-dark-gray);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.25s ease;
    background: var(--phase-white);
}

.phase-kb-filters a:hover {
    border-color: var(--phase-red);
    color: var(--phase-red);
}

.phase-kb-filters a.active {
    background: var(--phase-red);
    border-color: var(--phase-red);
    color: var(--phase-white);
}

/* ── 分类页标题 ── */
.phase-category-title {
    text-align: center;
    padding: 40px 0 0;
    background: var(--phase-light-gray);
}

.phase-category-title h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--phase-charcoal);
}

.phase-category-title h1 span {
    color: var(--phase-red);
}

/* ── 文章卡片墙 ── */
.phase-kb-grid-wrap {
    background: var(--phase-light-gray);
    padding: 48px 0 80px;
    min-height: 50vh;
    width: 100%;
}

/* 卡片墙容器宽度已在 .phase-container 统一控制，无需再覆盖 */
.phase-kb-grid-wrap .phase-container {
    max-width: 1200px;
}

.phase-kb-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.phase-kb-card {
    background: var(--phase-white);
    border: 1px solid var(--phase-border);
    border-radius: var(--phase-radius);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.phase-kb-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--phase-shadow-hover);
    border-color: rgba(227,30,36,0.2);
}

/* 头图 */
.phase-kb-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--phase-light-gray);
}

.phase-kb-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.phase-kb-card:hover .phase-kb-thumb img {
    transform: scale(1.05);
}

/* 卡片内容 */
.phase-kb-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.phase-kb-cat {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--phase-red);
    background: rgba(227,30,36,0.08);
    padding: 5px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
    transition: background 0.25s ease;
}

.phase-kb-cat:hover {
    background: rgba(227,30,36,0.15);
}

.phase-kb-card h2 {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
}

.phase-kb-card h2 a {
    color: var(--phase-charcoal);
}

.phase-kb-card h2 a:hover {
    color: var(--phase-red);
}

.phase-kb-card p {
    font-size: 0.9rem;
    color: var(--phase-dark-gray);
    line-height: 1.8;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* 卡片底部 */
.phase-kb-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--phase-border);
    margin-top: auto;
}

.phase-kb-date {
    font-size: 0.8rem;
    color: var(--phase-medium-gray);
    font-weight: 500;
}

.phase-kb-read {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--phase-red);
    font-size: 0.9rem;
    font-weight: 600;
    transition: gap 0.25s ease;
}

.phase-kb-read:hover {
    gap: 10px;
    color: var(--phase-red-dark);
}

/* ── 空状态 ── */
.phase-kb-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--phase-medium-gray);
    background: var(--phase-white);
    border-radius: var(--phase-radius);
    border: 1px solid var(--phase-border);
}

.phase-kb-empty p {
    font-size: 1.05rem;
}

/* ── 分页 ── */
.phase-kb-grid-wrap .pagination,
.phase-kb-grid-wrap .nav-links {
    margin-top: 48px;
    text-align: center;
}

.phase-kb-grid-wrap .page-numbers {
    display: inline-block;
    padding: 10px 18px;
    margin: 0 4px;
    border-radius: 6px;
    border: 1px solid var(--phase-border);
    color: var(--phase-dark-gray);
    font-size: 0.9rem;
    transition: all 0.25s ease;
}

.phase-kb-grid-wrap .page-numbers:hover,
.phase-kb-grid-wrap .page-numbers.current {
    background: var(--phase-red);
    border-color: var(--phase-red);
    color: var(--phase-white);
}

/* ── 面包屑 ── */
/* ── 文章详情页：全屏灰色容器，彻底盖住 Astra 蓝色背景 ── */
.phase-single-viewport {
    position: relative;
    min-height: 100vh;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    background: linear-gradient(180deg, #F2F3F5 0%, #F8F9FA 50%, #FFFFFF 100%);
    padding: 40px 24px 80px;
    box-sizing: border-box;
}

.phase-single-breadcrumb {
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--phase-medium-gray);
    border-bottom: 1px solid var(--phase-border);
    margin-bottom: 48px;
}

.phase-single-breadcrumb a {
    color: var(--phase-medium-gray);
}

.phase-single-breadcrumb a:hover {
    color: var(--phase-red);
}

.phase-single-breadcrumb span {
    color: var(--phase-charcoal);
    font-weight: 500;
}

.phase-single-breadcrumb .sep {
    margin: 0 8px;
    color: var(--phase-border);
}

/* ── 详情页布局（全宽，无侧边栏） ── */
.phase-single-main {
    max-width: 860px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.phase-single-thumb {
    margin-bottom: 40px;
}

/* ── 详情页标题区：标题 + 回到知识库按钮并排 ── */
.phase-single-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.phase-single-main h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.35;
    color: var(--phase-charcoal);
    margin-bottom: 0;
}

/* 回到知识库：标题右侧行内按钮 */
.phase-back-home-inline {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 20px;
    background: var(--phase-red);
    color: #fff !important;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 100px;
    text-decoration: none !important;
    transition: background 0.25s ease, transform 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.phase-back-home-inline:hover {
    background: var(--phase-red-dark);
    transform: translateX(-2px);
}

.phase-single-meta {
    font-size: 0.9rem;
    color: var(--phase-medium-gray);
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--phase-border);
}

.phase-single-meta .cat-link {
    color: var(--phase-red);
    font-weight: 500;
}

.phase-single-content {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--phase-dark-gray);
}

.phase-single-content h2,
.phase-single-content h3,
.phase-single-content h4 {
    color: var(--phase-charcoal);
    margin: 40px 0 20px;
    line-height: 1.4;
}

.phase-single-content h2 {
    font-size: 1.5rem;
    padding-left: 14px;
    border-left: 4px solid var(--phase-red);
}

.phase-single-content h3 {
    font-size: 1.2rem;
}

.phase-single-content p {
    margin-bottom: 24px;
}

.phase-single-content ul,
.phase-single-content ol {
    margin: 0 0 24px 24px;
}

.phase-single-content li {
    margin-bottom: 10px;
}

.phase-single-content blockquote {
    background: var(--phase-light-gray);
    border-left: 4px solid var(--phase-red);
    padding: 24px 28px;
    margin: 32px 0;
    border-radius: 0 8px 8px 0;
}

.phase-single-content img {
    border-radius: var(--phase-radius);
    margin: 24px 0;
}

/* ── 搜索结果页：红白渐变背景 + 卡片墙 ── */
.phase-search-viewport {
    position: relative;
    min-height: 100vh;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    background: linear-gradient(180deg, #FFF5F5 0%, #FFFFFF 30%, #F8F9FA 100%);
    padding: 40px 24px 80px;
    box-sizing: border-box;
}

.phase-search-header {
    text-align: center;
    padding: 20px 0 40px;
}

.phase-search-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--phase-charcoal);
    margin-bottom: 8px;
}

.phase-search-count {
    font-size: 0.95rem;
    color: var(--phase-medium-gray);
}

.phase-search-empty {
    text-align: center;
    padding: 80px 20px;
}

.phase-search-empty h2 {
    font-size: 1.6rem;
    color: var(--phase-charcoal);
    margin-bottom: 16px;
}

.phase-search-empty p {
    font-size: 1rem;
    color: var(--phase-medium-gray);
    margin-bottom: 12px;
    line-height: 1.7;
}

.phase-search-empty .phase-back-home-inline {
    display: inline-flex;
    margin-top: 24px;
}

/* 搜索结果页复用知识库卡片网格 */
.phase-search-viewport .phase-kb-grid {
    max-width: 1200px;
    margin: 0 auto;
}

/* ── 响应式 ── */
@media (max-width: 1024px) {
    .phase-kb-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .phase-single-main {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .phase-kb-hero {
        padding: 60px 0 40px;
    }
    .phase-kb-hero h1 {
        font-size: 2rem;
    }
    .phase-kb-search {
        flex-direction: column;
        border-radius: var(--phase-radius);
    }
    .phase-kb-search button {
        width: 100%;
        justify-content: center;
        border-radius: 100px;
    }
    .phase-kb-filters {
        position: static;
    }
    .phase-kb-grid {
        grid-template-columns: 1fr;
    }
    .phase-kb-body {
        padding: 20px;
    }
    .phase-single-main h1 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .phase-kb-hero h1 {
        font-size: 1.7rem;
    }
    .phase-kb-filters a {
        padding: 8px 18px;
        font-size: 0.85rem;
    }
}