@charset "UTF-8";

:root {
    /* 主色调 - 紫色系 */
    --primary-purple: #5B3CC4;
    --primary-purple-hover: #4A2FAD;
    --primary-purple-light: #F0EBFA;
    --primary-purple-border: #D5C8F0;

    --bg-primary: #ffffff;
    --bg-secondary: #f7f8fa;
    --bg-tertiary: #f0f1f4;
    --bg-table-stripe: #FAF9FD;

    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-tertiary: #888888;
    --text-white: #ffffff;

    --border-color: #e5e6eb;
    --border-hover: #d0d2d6;
    --border-focus: #5B3CC4;

    --accent-color: #5B3CC4;
    --accent-hover: #4A2FAD;
    --focus-ring: rgba(91, 60, 196, 0.15);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.04);
    --control-shadow: inset 0 1px 1px rgba(0,0,0,0.06);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: "SF Mono", SFMono-Regular, ui-monospace, Menlo, Consolas, monospace;

    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 1rem;
    --sp-4: 1.5rem;
    --sp-5: 2rem;
    --sp-6: 3rem;

    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --max-width: 1200px;
    --header-height: 56px;
}

[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --bg-tertiary: #2a2a2a;
    --bg-table-stripe: #1a1a2e;

    --text-primary: #e6e6e6;
    --text-secondary: #a3a3a3;
    --text-tertiary: #737373;

    --border-color: #2c2c2c;
    --border-hover: #3c3c3c;
    --border-focus: #8B6FE0;

    --accent-color: #8B6FE0;
    --accent-hover: #A48DE8;
    --focus-ring: rgba(139, 111, 224, 0.15);

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --control-shadow: inset 0 1px 1px rgba(0,0,0,0.4);
}

html.theme-transition,
html.theme-transition *,
html.theme-transition *:before,
html.theme-transition *:after {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::focus:not(:focus-visible) {
    outline: none;
}
::focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

svg {
    vertical-align: middle;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--sp-3);
}

/* ========== 顶部导航栏 - 紫色主题 ========== */
.site-header {
    background-color: var(--primary-purple);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(91, 60, 196, 0.3);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

/* Logo 区域 */
.site-branding a {
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.site-branding a:hover {
    text-decoration: none;
    color: rgba(255,255,255,0.85);
}

.site-logo img {
    height: 32px;
    width: auto;
    display: block;
}

/* 导航区域 */
.site-nav {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

.nav-toggle-input, .nav-toggle-label {
    display: none;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: var(--sp-3);
    align-items: center;
}

.nav-menu li a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    text-decoration: none;
    border-radius: 0;
}

/* 搜索框 - 导航栏内 */
.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 10px;
    color: rgba(255, 255, 255, 0.6);
    width: 14px;
    height: 14px;
    pointer-events: none;
}

.search-input {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.8rem 0.35rem 28px;
    font-size: 0.85rem;
    color: #fff;
    width: 140px;
    transition: all 0.2s ease;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.2);
    width: 180px;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

/* 主题切换按钮 */
.theme-switch {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    padding: var(--sp-1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.theme-switch:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

/* ========== 主体区域 ========== */
.site-main {
    padding: var(--sp-3);
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ========== 面包屑导航 ========== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: var(--sp-3);
    padding: 0;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.breadcrumb .separator {
    color: var(--text-tertiary);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

/* ========== 地区标签选择器 ========== */
.region-tabs {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    margin-bottom: var(--sp-3);
    flex-wrap: wrap;
}

.region-tabs .label-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.region-tab {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.region-tab:hover {
    border-color: var(--primary-purple);
    color: var(--primary-purple);
}

.region-tab.active {
    background: var(--primary-purple);
    color: #fff;
    border-color: var(--primary-purple);
}

.region-tab .count {
    margin-left: 0.25rem;
    font-size: 0.75rem;
    opacity: 0.8;
}

/* ========== 搜索筛选卡片 ========== */
.search-filter-card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--sp-4);
    margin-bottom: var(--sp-3);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.search-filter-row {
    display: flex;
    gap: var(--sp-3);
    align-items: center;
    flex-wrap: wrap;
}

.search-filter-row + .search-filter-row {
    margin-top: var(--sp-3);
}

.search-filter-row .filter-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    min-width: 60px;
}

.search-filter-input {
    flex: 1;
    min-width: 200px;
    height: 38px;
    padding: 0 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all 0.2s ease;
    box-shadow: var(--control-shadow);
}

.search-filter-input:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.search-filter-select {
    flex: 0 0 auto;
    min-width: 120px;
    height: 38px;
    padding: 0 2rem 0 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 0.6rem center;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--control-shadow);
}

.search-filter-select:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.search-filter-date {
    flex: 0 0 auto;
    min-width: 140px;
    height: 38px;
    padding: 0 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: all 0.2s ease;
    box-shadow: var(--control-shadow);
}

.search-filter-date:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    white-space: nowrap;
    height: 38px;
}

.btn-primary {
    background: var(--primary-purple);
    color: #fff;
    box-shadow: 0 2px 4px rgba(91, 60, 196, 0.3);
}

.btn-primary:hover {
    background: var(--primary-purple-hover);
    box-shadow: 0 4px 8px rgba(91, 60, 196, 0.4);
}

.btn-primary:active {
    transform: scale(0.96);
}

.btn-outline {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-purple);
    color: var(--primary-purple);
    background: var(--primary-purple-light);
}

.btn-outline:active {
    transform: scale(0.96);
}

.btn-sm {
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    height: 30px;
}

.btn-xs {
    padding: 0.15rem 0.5rem;
    font-size: 0.75rem;
    height: 24px;
    border-radius: 4px;
}

/* ========== 统计标签区 ========== */
.stats-bar {
    display: flex;
    gap: var(--sp-3);
    margin-bottom: var(--sp-3);
    flex-wrap: wrap;
}

.stat-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.8rem;
    background: var(--primary-purple-light);
    border: 1px solid var(--primary-purple-border);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--primary-purple);
    font-weight: 500;
}

.stat-item .stat-number {
    font-weight: 700;
    font-size: 1rem;
}

/* ========== 数据表格 ========== */
.data-table-wrapper {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: var(--sp-3);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table thead {
    background: var(--primary-purple-light);
}

.data-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-purple-border);
    font-size: 0.85rem;
    white-space: nowrap;
}

.data-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background 0.15s ease;
}

.data-table tbody tr:hover {
    background: var(--bg-table-stripe);
}

.data-table tbody tr:nth-child(even) {
    background: var(--bg-table-stripe);
}

.data-table tbody tr:nth-child(even):hover {
    background: var(--primary-purple-light);
}

.data-table .col-title {
    font-weight: 500;
    color: var(--text-primary);
}

.data-table .col-title a {
    color: var(--text-primary);
}

.data-table .col-title a:hover {
    color: var(--primary-purple);
    text-decoration: none;
}

.data-table .col-number {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.data-table .col-date {
    color: var(--text-secondary);
    white-space: nowrap;
}

.data-table .col-unit {
    color: var(--text-secondary);
    max-width: 300px;
    word-wrap: break-word;
}

.data-table .col-status {
    text-align: center;
}

.status-badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-badge.effective {
    background: #E8F5E9;
    color: #2E7D32;
}

.status-badge.expired {
    background: #FFF3E0;
    color: #E65100;
}

.status-badge.amended {
    background: #E3F2FD;
    color: #1565C0;
}

.status-badge.repealed {
    background: #FFEBEE;
    color: #C62828;
}

/* 深色模式下的状态标签 */
[data-theme="dark"] .status-badge.effective {
    background: rgba(46, 125, 50, 0.2);
    color: #81C784;
}
[data-theme="dark"] .status-badge.expired {
    background: rgba(230, 81, 0, 0.2);
    color: #FFB74D;
}
[data-theme="dark"] .status-badge.amended {
    background: rgba(21, 101, 192, 0.2);
    color: #64B5F6;
}
[data-theme="dark"] .status-badge.repealed {
    background: rgba(198, 40, 40, 0.2);
    color: #EF9A9A;
}

/* ========== 归档页样式 ========== */
.archive-title {
    font-size: 1.2rem;
    margin-bottom: var(--sp-4);
    color: var(--text-secondary);
    font-weight: normal;
}

/* ========== 文章列表样式 ========== */
.post {
    margin-bottom: var(--sp-4);
}

.post-title {
    font-size: 1.8rem;
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: var(--sp-2);
}

.post-title a {
    color: var(--text-primary);
}

.post-title a:hover {
    text-decoration: none;
    color: var(--accent-color);
}

.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-bottom: var(--sp-4);
}

.post-meta li {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.post-meta a {
    color: var(--text-secondary);
}

.post-meta a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.post-content {
    font-size: 1.05rem;
    color: var(--text-primary);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.post-content p {
    margin-bottom: var(--sp-3);
}

.post-content h2, .post-content h3, .post-content h4 {
    color: var(--text-primary);
    font-weight: 700;
    margin: var(--sp-5) 0 var(--sp-2) 0;
    line-height: 1.4;
}

.post-content h2 { font-size: 1.4rem; }
.post-content h3 { font-size: 1.2rem; }

.post-content img, .post-content video {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: var(--sp-3) 0;
    display: block;
    border: 1px solid var(--border-color);
}

.post-content blockquote {
    margin: var(--sp-4) 0;
    padding: 0 var(--sp-3);
    border-left: 3px solid var(--border-color);
    color: var(--text-secondary);
}

.post-content pre {
    background: var(--bg-secondary);
    padding: var(--sp-3);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: var(--sp-3);
    border: 1px solid var(--border-color);
}

.post-content pre::-webkit-scrollbar { height: 6px; }
.post-content pre::-webkit-scrollbar-track { background: transparent; }
.post-content pre::-webkit-scrollbar-thumb { background-color: var(--border-focus); border-radius: 3px; }

.post-content code {
    background: var(--bg-secondary);
    padding: 0.1em 0.3em;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--text-primary);
}

.post-content pre code {
    background: transparent;
    padding: 0;
    border: none;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--sp-4);
    display: block;
    overflow-x: auto;
}

.post-content th, .post-content td {
    border: 1px solid var(--border-color);
    padding: var(--sp-2) var(--sp-3);
    font-size: 0.9rem;
}

.post-content th {
    font-weight: 700;
    text-align: left;
    background: var(--bg-secondary);
}

.post-footer-meta {
    margin-top: var(--sp-4);
    padding-top: var(--sp-3);
    border-top: 1px solid var(--border-color);
}

.tags {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.post-separator {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: var(--sp-5) 0;
}

.post-near {
    list-style: none;
    margin: var(--sp-4) 0;
    padding: var(--sp-3) calc(var(--sp-3) + 20px);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: calc(var(--sp-1) + 20px);
}

.post-near li {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.post-near li strong {
    font-weight: 500;
    color: var(--text-tertiary);
    margin-right: var(--sp-2);
    min-width: 50px;
}

/* ========== 分页 ========== */
.page-navigator {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-top: var(--sp-5);
    list-style: none;
    font-size: 0.9rem;
    padding: 0;
}

.page-navigator li {
    display: inline-block;
}

.page-navigator a, .page-navigator span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 var(--sp-2);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    text-decoration: none;
}

.page-navigator a:hover {
    color: var(--text-primary);
    border-color: var(--primary-purple);
    background: var(--bg-primary);
}

.page-navigator .current a, .page-navigator .current span {
    color: #fff;
    background: #6F58FE;
    border-color: #6F58FE;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(91, 60, 196, 0.3);
}

.page-navigator .disabled {
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    cursor: not-allowed;
    opacity: 0.5;
}

.pagination-area {
    margin-top: var(--sp-4);
}

.table-footer .pagination-area {
    margin-top: 0;
}

.table-footer .page-navigator {
    margin: 0;
}

/* 表格底部分页 */
.table-footer {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: var(--sp-2) 0;
    flex-wrap: nowrap;
    gap: var(--sp-2);
}

.table-footer > .table-info,
.table-footer > .pagination-area,
.table-footer > .page-jumper {
    flex: 0 0 auto;
}

.table-info {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ========== 评论区域 ========== */
.comments-area {
    margin-top: var(--sp-4);
}

.comments-wrapper {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.comments-header {
    padding: var(--sp-3) var(--sp-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.comments-body {
    padding: var(--sp-4);
}

.comment-list {
    list-style: none;
}

.comments-body > .comment-list > li {
    margin-bottom: var(--sp-4);
    padding-bottom: var(--sp-4);
    border-bottom: 1px dashed var(--border-color);
}

.comments-body > .comment-list > li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.comment-children {
    margin-top: var(--sp-3);
}

.comment-children .comment-list > li {
    margin-top: var(--sp-3);
    margin-left: var(--sp-4);
    margin-bottom: 0;
    padding-bottom: 0;
    padding-left: var(--sp-3);
    border-bottom: none;
    border-left: 2px solid var(--border-color);
}

.comment-inner {
    display: flex;
    gap: var(--sp-3);
}

.comment-author-avatar {
    flex-shrink: 0;
}

.comment-author-avatar img.avatar {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: block;
}

.comment-main {
    flex: 1;
    min-width: 0;
}

.comment-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-1);
}

.comment-author {
    font-style: normal;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.comment-author a {
    color: var(--text-primary);
}

.comment-time, .comment-time a {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.comment-reply {
    margin-left: auto;
}

.comment-reply a {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 500;
}

.comment-content {
    color: var(--text-primary);
    font-size: 0.95rem;
    overflow-wrap: anywhere;
}

.comment-content p {
    margin-bottom: var(--sp-2);
}

.comment-content p:last-child {
    margin-bottom: 0;
}

.respond {
    padding: var(--sp-4);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.respond-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--sp-3);
    color: var(--text-primary);
}

.cancel-comment-reply {
    float: right;
    font-size: 0.85rem;
}

.form-group {
    margin-bottom: var(--sp-3);
}

.form-input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.8rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    transition: all 0.2s ease;
    box-shadow: var(--control-shadow);
}

.form-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

textarea.form-input {
    resize: vertical;
    min-height: 100px;
}

.btn-submit {
    background: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn-submit:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn-submit:active {
    transform: scale(0.96);
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--bg-primary);
    padding: var(--sp-3) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--sp-2);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-3);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.footer-copyright a {
    color: var(--text-secondary);
}

.footer-copyright a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.footer-links {
    display: flex;
    gap: var(--sp-3);
    font-size: 0.85rem;
}

.footer-links a {
    color: var(--text-tertiary);
}

.footer-links a:hover {
    color: var(--accent-color);
    text-decoration: none;
}

/* ========== 404页面 ========== */
.error-page {
    text-align: center;
    padding: var(--sp-6) 0;
}

.error-page h1 {
    font-size: 4rem;
    color: var(--primary-purple);
    margin-bottom: var(--sp-3);
}

.error-page p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--sp-4);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.6rem 0.6rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    .search-input, .form-input {
        font-size: 16px;
    }

    .nav-toggle-label {
        display: block;
        cursor: pointer;
        color: #fff;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--primary-purple);
        flex-direction: column;
        padding: var(--sp-3);
        gap: var(--sp-3);
        z-index: 99;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

    .nav-toggle-input:checked ~ .nav-menu {
        display: flex;
    }

    .search-form, .search-input, .search-input:focus {
        width: 100%;
    }

    .post-title {
        font-size: 1.5rem;
    }

    .comments-header {
        padding: var(--sp-2) var(--sp-3);
    }

    .comments-body, .respond {
        padding: var(--sp-3);
    }

    .comment-children .comment-list > li {
        margin-left: 0;
        padding-left: var(--sp-2);
    }

    /* 搜索筛选区响应式 */
    .search-filter-row {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
    }

    .search-filter-input,
    .search-filter-select,
    .search-filter-date {
        min-width: 0;
    }

    .search-filter-row .filter-label {
        min-width: auto;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    /* 表格响应式 */
    .data-table-wrapper {
        overflow-x: auto;
    }

    .data-table {
        min-width: 600px;
    }

    /* 页脚响应式 */
    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
    }
}