/* ===== 基础样式 ===== */
/*
 * David Zwirner 白盒展厅风格
 * 界面一律中性色（#F7F7F5 / #111 / #707070 / #D9D9D5），
 * 无圆角、无阴影、无渐变；颜色只来自画作与原有主题高亮色。
 */
:root {
    /* 主题高亮色（保留原配色） */
    --color-primary: #77AAC2;
    --color-primary-dark: #5F93AB;
    --color-primary-light: #E8F2F6;

    --color-cao: #79D9CE;
    --color-mu: #77AAC2;
    --color-niao: #FCD765;
    --color-shou: #F19A97;
    --color-chong: #696773;
    --color-yu: #79D9CE;

    /* 中性界面色 */
    --color-bg: #F7F7F5;
    --color-card: #FFFFFF;
    --color-text: #111111;
    --color-text-light: #707070;
    --color-border: #D9D9D5;
    --color-border-soft: #E8E8E3;
    --color-bg-soft: #F7F7F5;
    --color-bg-muted: #EDEDE9;
    --color-mask: rgba(17, 17, 17, 0.45);
    --color-shadow: transparent;

    /* 主题色浅底（保留原配色，用于高亮块） */
    --color-cao-soft: rgba(121, 217, 206, 0.18);
    --color-mu-soft: rgba(119, 170, 194, 0.18);
    --color-niao-soft: rgba(252, 215, 101, 0.22);
    --color-shou-soft: rgba(241, 154, 151, 0.2);
    --color-shou-soft-strong: rgba(241, 154, 151, 0.32);
    --color-chong-soft: rgba(105, 103, 115, 0.12);
    --color-cao-ring: rgba(121, 217, 206, 0.15);
    --color-cao-deep: #58BCAE;
    --color-mu-deep: #5F93AB;
    --color-niao-deep: #B9963E;
    --color-shou-deep: #C97E7C;
    --color-chong-deep: #555260;

    /* 白盒展厅：无阴影 */
    --shadow-sm: none;
    --shadow: none;
    --shadow-lg: none;

    /* 白盒展厅：无圆角 */
    --radius: 0;
    --radius-sm: 0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, Arial, "Microsoft YaHei", sans-serif;
    font-weight: 400;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* ===== 头部 ===== */
.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 80px;
    padding: 1rem 0;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-primary-dark);
}

.logo-separator {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-primary);
    margin: 0 0.25rem;
}

.logo-author {
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-cao);
    text-decoration: underline;
    text-underline-offset: 4px;
}

.logo-author:hover {
    color: var(--color-cao-deep);
}

.header-quote {
    margin: 0;
    padding-left: 1rem;
    border-left: 1px solid var(--color-primary-light);
    color: var(--color-text-light);
    margin-left: auto;
    text-align: right;
}

.header-quote p {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 300;
    line-height: 1.6;
}

.header-quote cite {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.74rem;
    font-style: normal;
    letter-spacing: 0.08em;
    color: var(--color-primary-dark);
}

/* ===== 主要内容 ===== */
.main {
    flex: 1;
    padding: 3rem 0 4.5rem;
}

/* ===== 英雄区域 ===== */
.hero {
    text-align: center;
    padding: 4.5rem 0 3.5rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-primary-dark);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

.hero-note {
    font-size: 0.95rem;
    color: var(--color-mu-deep);
    background: var(--color-primary-light);
    border: 1px solid var(--color-mu-soft);
    border-left: 2px solid var(--color-cao);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    text-align: left;
}

.hero-note a {
    color: var(--color-cao);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.hero-note a:hover {
    color: var(--color-cao-deep);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3.5rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.stat-item:hover {
    background: var(--color-bg-muted);
}

.stat-number {
    display: block;
    font-size: 2.4rem;
    font-weight: 300;
    line-height: 1.2;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: var(--color-text-light);
}

.hero-daily {
    margin-top: 2.25rem;
}

.hero-daily a {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.hero-daily a:hover {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary-dark);
}

/* 统计数字蓝绿+红黄四色间隔配色 */
.stat-草 .stat-number { color: var(--color-cao); }
.stat-木 .stat-number { color: var(--color-mu); }
.stat-鸟 .stat-number { color: var(--color-niao-deep); }
.stat-兽 .stat-number { color: var(--color-shou); }
.stat-虫 .stat-number { color: var(--color-chong); }
.stat-鱼 .stat-number { color: var(--color-yu); }

/* 统计标签也使用相同颜色 */
.stat-草 .stat-label { color: var(--color-cao); }
.stat-木 .stat-label { color: var(--color-mu); }
.stat-鸟 .stat-label { color: var(--color-niao-deep); }
.stat-兽 .stat-label { color: var(--color-shou); }
.stat-虫 .stat-label { color: var(--color-chong); }
.stat-鱼 .stat-label { color: var(--color-yu); }

/* ===== 筛选区域 ===== */
.filter-section {
    background: transparent;
    border-radius: var(--radius);
    padding: 0 0 2.5rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.25rem;
    border-radius: 0;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    transition: all 0.2s;
}

.category-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.category-btn.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* 分类按钮选中时使用对应颜色 */
.category-btn-all.active {
    background: var(--color-mu);
    border-color: var(--color-mu);
}

.category-btn-草.active {
    background: var(--color-cao);
    border-color: var(--color-cao);
}

.category-btn-木.active {
    background: var(--color-mu);
    border-color: var(--color-mu);
}

.category-btn-鸟.active {
    background: var(--color-niao);
    border-color: var(--color-niao);
    color: var(--color-chong);
}

.category-btn-兽.active {
    background: var(--color-shou);
    border-color: var(--color-shou);
}

.category-btn-虫.active {
    background: var(--color-chong);
    border-color: var(--color-chong);
}

.category-btn-鱼.active {
    background: var(--color-yu);
    border-color: var(--color-yu);
    color: var(--color-chong);
}

.search-box {
    display: flex;
    align-items: stretch;
    max-width: 500px;
    margin: 0 auto;
    gap: 0.75rem;
}

.search-input {
    flex: 1;
    height: 3rem;
    padding: 0 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-card);
    font-size: 1rem;
    line-height: 1;
    outline: none;
    transition: border-color 0.2s;
}

.search-input:focus {
    border-color: var(--color-primary);
}

.search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 3rem;
    padding: 0 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    font-weight: 400;
    letter-spacing: 0.06em;
    transition: background 0.2s;
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

/* ===== 结果信息 ===== */
.results-info {
    text-align: center;
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
}

.results-info strong {
    font-weight: 500;
    color: var(--color-primary);
}

/* ===== 卡片网格 ===== */
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2.25rem;
}

.category-sections {
    display: flex;
    flex-direction: column;
    gap: 4.5rem;
}

.category-section {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.section-header-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.section-heading {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-primary-dark);
}

.section-title a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.section-title a:hover {
    border-bottom-color: currentColor;
}

.section-subtitle {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-light);
}

.section-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 400;
    letter-spacing: 0.04em;
    border-bottom: 1px solid transparent;
    background: none;
    border-top: 0;
    border-left: 0;
    border-right: 0;
    padding: 0;
    font: inherit;
    cursor: pointer;
}

.section-link:hover {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary-dark);
}

.category-section-草 .section-title,
.category-section-草 .section-link,
.section-toggle-card-草 {
    color: var(--color-cao-deep);
}

.category-section-木 .section-title,
.category-section-木 .section-link,
.section-toggle-card-木 {
    color: var(--color-mu-deep);
}

.category-section-鸟 .section-title,
.category-section-鸟 .section-link,
.section-toggle-card-鸟 {
    color: var(--color-niao-deep);
}

.category-section-兽 .section-title,
.category-section-兽 .section-link,
.section-toggle-card-兽 {
    color: var(--color-shou-deep);
}

.category-section-虫 .section-title,
.category-section-虫 .section-link,
.section-toggle-card-虫 {
    color: var(--color-chong-deep);
}

.category-section-鱼 .section-title,
.category-section-鱼 .section-link,
.section-toggle-card-鱼 {
    color: var(--color-cao-deep);
}

.category-section-草 .section-link:hover {
    color: var(--color-cao);
    border-bottom-color: var(--color-cao);
}

.category-section-木 .section-link:hover {
    color: var(--color-mu);
    border-bottom-color: var(--color-mu);
}

.category-section-鸟 .section-link:hover {
    color: var(--color-niao-deep);
    border-bottom-color: var(--color-niao-deep);
}

.category-section-兽 .section-link:hover {
    color: var(--color-shou);
    border-bottom-color: var(--color-shou);
}

.category-section-虫 .section-link:hover {
    color: var(--color-chong);
    border-bottom-color: var(--color-chong);
}

.category-section-鱼 .section-link:hover {
    color: var(--color-yu);
    border-bottom-color: var(--color-yu);
}

.item-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: border-color 0.3s;
}

.item-card:hover {
    border-color: var(--color-text);
}

.section-toggle-card {
    display: none;
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--color-bg-muted);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.item-card:hover .card-image img {
    transform: scale(1.03);
}

.card-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-text-light);
}

.category-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
}

/* 卡片类别徽章使用统一配色 */
.category-badge.category-草 { background: var(--color-cao-soft); color: var(--color-cao-deep); }
.category-badge.category-木 { background: var(--color-mu-soft); color: var(--color-mu-deep); }
.category-badge.category-鸟 { background: var(--color-niao-soft); color: var(--color-niao-deep); }
.category-badge.category-兽 { background: var(--color-shou-soft); color: var(--color-shou-deep); }
.category-badge.category-虫 { background: var(--color-chong-soft); color: var(--color-chong); }
.category-badge.category-鱼 { background: var(--color-cao-soft); color: var(--color-cao-deep); }

.card-content {
    padding: 1.5rem 1.5rem 1.75rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.card-source {
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.card-quote {
    font-size: 0.875rem;
    font-weight: 300;
    color: var(--color-text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 6rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.empty-state p {
    font-weight: 300;
    color: var(--color-text-light);
}

/* ===== 详情页 ===== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 300;
    letter-spacing: 0.06em;
    margin-bottom: 2rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--color-primary);
}

.detail-card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 3rem;
    box-shadow: var(--shadow);
}

.detail-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.detail-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 2.25rem;
    font-weight: 300;
    letter-spacing: 0.08em;
}

/* ===== 古今对照图 ===== */
.detail-figures {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 0.75rem;
}

.detail-figures:has(figure:only-child) {
    grid-template-columns: minmax(0, 480px);
    justify-content: center;
}

.detail-figures figure {
    margin: 0;
    border: 1px solid var(--color-border);
    background: var(--color-card);
}

.detail-figures figure img {
    display: block;
    width: 100%;
    height: 360px;
    object-fit: contain;
    background: var(--color-card);
}

.detail-figures figcaption {
    padding: 0.6rem 1rem;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border);
}

.figure-credit {
    font-size: 0.75rem;
    font-weight: 300;
    color: var(--color-text-light);
    margin: 0 0 2rem;
}

/* ===== 每日名物日签 ===== */
.daily-wrap {
    display: flex;
    justify-content: center;
    padding: 1.5rem 0 3rem;
}

.daily-card {
    width: 100%;
    max-width: 560px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    padding: 2.5rem 2.5rem 2rem;
    text-align: center;
}

.daily-head {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    color: var(--color-text-light);
    padding-bottom: 1.25rem;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--color-border);
}

.daily-image {
    margin-bottom: 2rem;
}

.daily-image img {
    width: 100%;
    max-height: 480px;
    object-fit: contain;
    border: 1px solid var(--color-border);
}

.daily-name {
    font-size: 2.4rem;
    font-weight: 300;
    letter-spacing: 0.12em;
    margin-bottom: 0.4rem;
}

.daily-cat {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    vertical-align: middle;
    margin-left: 0.5rem;
}

.daily-quote {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-primary-dark);
    margin: 1.25rem 0 0.5rem;
}

.daily-source {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-light);
    margin-bottom: 1.75rem;
}

.daily-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.daily-credit {
    margin-top: 1.75rem;
    font-size: 0.72rem;
    font-weight: 300;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .detail-figures {
        grid-template-columns: 1fr;
    }

    .daily-card {
        padding: 1.5rem 1.25rem;
    }
}

.detail-image {
    width: 100%;
    max-height: 420px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 2rem;
}

.detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-placeholder {
    width: 100%;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-muted);
    font-size: 6rem;
}

.detail-quote {
    background: var(--color-primary-light);
    border-left: 2px solid var(--color-primary);
    padding: 1.75rem 2rem;
    border-radius: 0;
    margin-bottom: 2rem;
    font-size: 1.25rem;
    font-style: italic;
    font-weight: 300;
    color: var(--color-primary-dark);
}

.detail-quote .quote-mark {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.detail-quote cite {
    display: block;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    font-style: normal;
    letter-spacing: 0.06em;
    color: var(--color-primary);
}

.detail-info {
    margin-bottom: 2.5rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--color-border);
}

.info-label {
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    min-width: 100px;
}

.info-value {
    color: var(--color-text);
}

.info-symbolism,
.info-description {
    background: var(--color-bg-soft);
    padding: 1.75rem 2rem;
    border-radius: var(--radius-sm);
    margin: 1.25rem 0;
}

.info-symbolism h3,
.info-description h3 {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
    text-transform: uppercase;
    margin-bottom: 0.85rem;
}

.info-link {
    margin: 1rem 0;
}

.info-link a {
    color: var(--color-mu);
    text-decoration: none;
}

.info-link a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.poem-section {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.poem-title {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    margin-bottom: 1.25rem;
}

.poem-source {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 300;
    margin-left: 0.5rem;
}

.poem-content {
    background: var(--color-bg-soft);
    padding: 2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.poem-line {
    font-size: 1.15rem;
    line-height: 2.2;
    font-weight: 300;
    color: var(--color-text);
    font-family: "Noto Serif SC", "SimSun", serif;
}

/* 引用在正文中的高亮 */
.poem-line .quote-hl {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 400;
    padding: 0.05em 0.1em;
    border-bottom: 1px solid var(--color-primary);
}

.detail-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

/* ===== 管理页面 ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 300;
    letter-spacing: 0.08em;
}

.manage-table-wrapper {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    overflow-x: auto;
}

.manage-table {
    width: 100%;
    border-collapse: collapse;
}

.manage-table th,
.manage-table td {
    padding: 1.1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.manage-table th {
    background: var(--color-bg-soft);
    font-weight: 500;
    color: var(--color-text-light);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.manage-table tr:hover {
    background: var(--color-bg-soft);
}

.manage-table .actions {
    display: flex;
    gap: 0.5rem;
}

/* ===== 表单 ===== */
.edit-form {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 3rem;
    box-shadow: var(--shadow-sm);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.form-section {
    padding: 2rem;
    background: var(--color-bg-soft);
    border-radius: var(--radius-sm);
}

.form-section h3 {
    font-size: 1.05rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: 1.75rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--color-primary);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-text);
}

.form-group .required {
    color: var(--color-shou);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-card);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.5rem;
    border-radius: 0;
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-border-soft);
    color: var(--color-text);
}

.btn-secondary:hover {
    background: var(--color-border);
}

.btn-danger {
    background: var(--color-shou-soft);
    color: var(--color-shou-deep);
}

.btn-danger:hover {
    background: var(--color-shou-soft-strong);
}

.btn-github {
    background: var(--color-chong);
    color: white;
    border: none;
}

.btn-github:hover {
    background: var(--color-chong-deep);
    color: white;
}

.btn-wechat {
    background: var(--color-cao);
    color: white;
    border: none;
}

.btn-wechat:hover {
    background: var(--color-cao-deep);
    color: white;
}

.btn-google {
    background: var(--color-mu);
    color: white;
    border: none;
}

.btn-google:hover {
    background: var(--color-mu-deep);
    color: white;
}

/* ===== 弹窗 ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: var(--color-mask);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlide 0.3s ease;
}

@keyframes modalSlide {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--color-bg-soft);
    color: var(--color-text);
}

#modal-body {
    padding: 2.5rem;
}

/* ===== 底部 ===== */
.footer {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 2.75rem 0 3rem;
}

.footer .container {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.footer-top,
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-brand,
.footer-copy,
.footer-admin-entry {
    margin: 0;
}

.footer-brand {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-text);
}

.footer-brand a {
    color: var(--color-cao-deep);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

.footer-brand a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.footer-copy {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-text-light);
}

.footer-admin-entry a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.9rem;
    border-radius: 0;
    background: transparent;
    color: var(--color-primary-dark);
    text-decoration: none;
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    transition: all 0.2s ease;
}

.footer-admin-entry a:hover {
    color: white;
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 0.55rem;
        height: auto;
        padding: 0.875rem 0;
    }

    .logo-wrap {
        flex-wrap: wrap;
        row-gap: 0.35rem;
    }

    .logo {
        min-width: 0;
    }

    .logo-text,
    .logo-author,
    .logo-separator {
        font-size: 1.05rem;
    }

    .header-quote {
        margin-left: 0;
        text-align: left;
        padding-left: 0.75rem;
        border-left-width: 1px;
    }

    .header-quote p {
        font-size: 0.78rem;
    }

    .footer-top,
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-brand,
    .footer-copy {
        font-size: 0.875rem;
    }

    .hero {
        padding: 3rem 0 2.5rem;
    }

    .hero-title {
        font-size: 1.85rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .category-sections {
        gap: 2.5rem;
    }

    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 1.25rem;
    }

    .section-header-row {
        align-items: flex-start;
    }

    .section-title {
        font-size: 1.25rem;
    }

    .detail-card,
    .edit-form {
        padding: 1.75rem;
    }

    .item-card.is-collapsed-mobile {
        display: none;
    }

    .category-section[data-expanded="true"] .item-card.is-collapsed-mobile {
        display: block;
    }

    .section-toggle-card {
        display: none;
    }

    .section-toggle-card:hover {
        border-color: var(--color-text);
    }

    .section-toggle-band {
        position: absolute;
        inset: 0 0 auto 0;
        height: 4px;
        background: var(--color-primary);
    }

    .section-toggle-icon {
        width: 2.4rem;
        height: 2.4rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 0;
        background: var(--color-bg-muted);
        font-size: 1.2rem;
    }

    .section-toggle-text {
        font-weight: 500;
        font-size: 1rem;
    }

    .section-toggle-meta {
        font-size: 0.85rem;
        color: var(--color-text-light);
    }

    .section-toggle-tip {
        font-size: 0.8rem;
        color: var(--color-text-light);
    }

    .section-toggle-card-草 .section-toggle-band { background: var(--color-cao); }
    .section-toggle-card-木 .section-toggle-band { background: var(--color-mu); }
    .section-toggle-card-鸟 .section-toggle-band { background: var(--color-niao); }
    .section-toggle-card-兽 .section-toggle-band { background: var(--color-shou); }
    .section-toggle-card-虫 .section-toggle-band { background: var(--color-chong); }
    .section-toggle-card-鱼 .section-toggle-band { background: var(--color-yu); }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .manage-table .actions {
        flex-direction: column;
    }
}

@media (min-width: 769px) {
    .item-card.is-collapsed-desktop {
        display: none;
    }

    .category-section[data-expanded="true"] .item-card.is-collapsed-desktop {
        display: block;
    }
}

@media (max-width: 480px) {
    .logo-icon {
        font-size: 1.25rem;
    }

    .logo-text,
    .logo-author,
    .logo-separator {
        font-size: 0.95rem;
    }

    .nav {
        gap: 0.5rem;
    }

    .nav-link {
        font-size: 0.95rem;
        padding: 0.35rem 0.65rem;
    }
}


/* ===== 留言区域样式（公共） ===== */
.comments-section {
    margin-top: 3rem;
    padding: 2.5rem;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 0;
    box-shadow: none;
}

.comments-title {
    font-size: 1.35rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--color-text);
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-cao-soft);
}

.comments-count {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-weight: 300;
}

/* 留言限制提示 */
.comment-limit-info {
    background: var(--color-niao-soft);
    border-left: 2px solid var(--color-niao);
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 0;
}

.comment-limit-info.warning {
    background: var(--color-shou-soft);
    border-left-color: var(--color-shou);
}

.comment-limit-info.success {
    background: var(--color-cao-soft);
    border-left-color: var(--color-cao);
}

.limit-text {
    margin: 0;
    color: var(--color-text);
    font-size: 0.9rem;
}

/* 留言表单 */
.comment-form-container {
    background: var(--color-bg-soft);
    padding: 1.5rem;
    border-radius: 0;
    margin-bottom: 2rem;
}

.comment-user-info {
    margin-bottom: 12px;
}

.comment-login-user {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.comment-login-avatar {
    width: 42px;
    height: 42px;
    border-radius: 0;
    background: var(--color-mu);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 400;
    overflow: hidden;
    flex-shrink: 0;
}

.comment-login-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comment-login-meta {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.comment-login-meta strong {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
}

.comment-login-meta span {
    color: var(--color-text-light);
    font-weight: 300;
    font-size: 0.85rem;
}

.comment-input, .comment-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 0;
    background: var(--color-card);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.comment-input:focus, .comment-textarea:focus {
    outline: none;
    border-color: var(--color-cao);
    box-shadow: none;
}

.nickname-input {
    max-width: 200px;
}

.comment-textarea {
    resize: vertical;
    min-height: 80px;
}

.comment-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.char-count {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-text-light);
}

.btn-submit-comment {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-submit-comment:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 回复信息 */
.reply-info {
    margin-top: 12px;
    padding: 8px 12px;
    background: var(--color-mu-soft);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.reply-text {
    font-size: 0.9rem;
    color: var(--color-mu-deep);
}

.btn-cancel-reply {
    background: none;
    border: none;
    color: var(--color-text-light);
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-cancel-reply:hover {
    color: var(--color-shou);
}

/* 留言列表 */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.comment-item {
    padding: 1.25rem 1.5rem;
    background: var(--color-bg-soft);
    border-radius: 0;
    border: 1px solid var(--color-border-soft);
}

.comment-item.reply {
    margin-left: 40px;
    background: var(--color-chong-soft);
    border-left: 2px solid var(--color-cao);
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 0;
    background: var(--color-chong);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 400;
    font-size: 0.9rem;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 0;
    object-fit: cover;
}

.comment-meta {
    flex: 1;
}

.comment-author {
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
}

.comment-time {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--color-text-light);
}

.comment-content {
    color: var(--color-text);
    font-weight: 300;
    line-height: 1.7;
    margin-bottom: 10px;
    word-break: break-word;
}

.comment-actions {
    display: flex;
    gap: 12px;
}

.comment-actions button {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 0.85rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 0;
    transition: all 0.2s;
}

.comment-actions button:hover {
    background: var(--color-bg-muted);
    color: var(--color-text);
}

/* 回复列表 */
.replies-list {
    margin-top: 12px;
    padding-left: 20px;
    border-left: 1px solid var(--color-border-soft);
}

.reply-item {
    padding: 12px;
    background: var(--color-card);
    border-radius: 0;
    margin-bottom: 10px;
    border: 1px solid var(--color-border-soft);
}

/* 加载提示 */
.comments-loading, .comments-empty {
    text-align: center;
    padding: 40px;
    font-weight: 300;
    color: var(--color-text-light);
}

.comments-empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

/* 登录提示 */
.comment-login-tip {
    text-align: center;
    padding: 20px;
    background: var(--color-bg-soft);
    border-radius: 0;
    color: var(--color-text-light);
}

.comments-load-more {
    text-align: center;
    margin-top: 20px;
}

/* 管理操作 */
.admin-actions {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

.admin-actions button {
    padding: 4px 10px;
    font-size: 0.8rem;
    border-radius: 0;
    border: none;
    cursor: pointer;
}

.btn-approve {
    background: var(--color-cao);
    color: white;
}

.btn-reject {
    background: var(--color-niao);
    color: var(--color-chong);
}

.btn-delete-comment {
    background: var(--color-shou);
    color: white;
}

.comment-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 0;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    margin-left: 8px;
}

.status-approved {
    background: var(--color-cao-soft);
    color: var(--color-cao-deep);
}

.status-pending {
    background: var(--color-niao-soft);
    color: var(--color-niao-deep);
}

.status-rejected {
    background: var(--color-shou-soft);
    color: var(--color-shou-deep);
}

/* 回复目标 */
.reply-target {
    color: var(--color-mu-deep);
    font-size: 0.9rem;
    margin-bottom: 6px;
}