/*
Theme Name: 老勤農 LaoQinong
Theme URI: https://laoqinong.com
Author: LaoQinong Team
Description: 老勤農中藥材論壇主題 — 繁體中文、適老化設計、高端中式風格
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: laoqinong
Tags: traditional-chinese, forum, tcm, herbal-medicine, accessibility
*/

/* ========================================
   CSS Variables
   ======================================== */
:root {
    /* 主色調 */
    --lq-primary: #5B3A29;        /* 檀木色 */
    --lq-primary-light: #7A5240;
    --lq-primary-dark: #3E2718;
    --lq-secondary: #4A6741;      /* 藥材綠 */
    --lq-secondary-light: #5B7A50;
    --lq-accent: #C8956C;         /* 琥珀金 */
    --lq-accent-light: #D4A87A;
    --lq-bg: #F7F3ED;            /* 宣紙米白 */
    --lq-bg-card: #FFFFFF;
    --lq-text: #2C2C2C;          /* 墨色 */
    --lq-text-secondary: #6B6B6B;
    --lq-text-light: #999999;
    --lq-border: #E8E0D6;
    --lq-border-light: #F0EBE4;
    --lq-shadow: rgba(91, 58, 41, 0.08);
    --lq-shadow-hover: rgba(91, 58, 41, 0.15);
    --lq-danger: #C0392B;
    --lq-success: #27AE60;

    /* 字體 */
    --lq-font-family: 'Noto Serif TC', 'Microsoft JhengHei', 'PMingLiU', serif;
    --lq-font-sans: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
    --lq-font-size-base: 18px;
    --lq-font-size-sm: 15px;
    --lq-font-size-lg: 22px;
    --lq-font-size-xl: 28px;
    --lq-font-size-2xl: 36px;
    --lq-line-height: 1.8;
    --lq-line-height-tight: 1.4;

    /* 間距 */
    --lq-spacing-xs: 6px;
    --lq-spacing-sm: 12px;
    --lq-spacing-md: 20px;
    --lq-spacing-lg: 32px;
    --lq-spacing-xl: 48px;

    /* 圓角 */
    --lq-radius-sm: 8px;
    --lq-radius-md: 12px;
    --lq-radius-lg: 16px;
    --lq-radius-full: 9999px;

    /* 導航高度 */
    --lq-header-height: 72px;
    --lq-container-max: 1440px;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--lq-font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--lq-font-family);
    color: var(--lq-text);
    background-color: var(--lq-bg);
    line-height: var(--lq-line-height);
    min-height: 100vh;
}

a {
    color: var(--lq-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--lq-accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--lq-font-family);
    font-weight: 700;
    line-height: var(--lq-line-height-tight);
    color: var(--lq-primary-dark);
}

h1 { font-size: var(--lq-font-size-2xl); }
h2 { font-size: var(--lq-font-size-xl); }
h3 { font-size: var(--lq-font-size-lg); }

p {
    margin-bottom: 1em;
}

/* ========================================
   Utility Classes
   ======================================== */
.lq-container {
    max-width: var(--lq-container-max);
    margin: 0 auto;
    padding: 0 var(--lq-spacing-md);
}

.lq-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ========================================
   Header / Navigation
   ======================================== */
.lq-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--lq-header-height);
    background: var(--lq-bg-card);
    border-bottom: 1px solid var(--lq-border-light);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.lq-header .lq-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.lq-logo {
    flex-shrink: 0;
}

.lq-logo img,
.lq-logo svg {
    height: 56px;
    width: auto;
}

.lq-nav {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-lg);
}

.lq-nav-list {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
}

.lq-nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--lq-text);
    padding: 6px 8px;
    white-space: nowrap;
    position: relative;
    transition: color 0.2s;
}

.lq-nav-link:hover,
.lq-nav-link.active {
    color: var(--lq-primary);
}

.lq-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--lq-accent);
    border-radius: 2px 2px 0 0;
}

.lq-header-actions {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
}

/* ========================================
   Buttons
   ======================================== */
.lq-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    font-family: var(--lq-font-family);
    font-size: var(--lq-font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--lq-radius-full);
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    line-height: 1.4;
}

.lq-btn-primary {
    background: linear-gradient(135deg, var(--lq-primary), var(--lq-primary-light));
    color: #fff;
    box-shadow: 0 4px 12px rgba(91, 58, 41, 0.25);
}

.lq-btn-primary:hover {
    box-shadow: 0 6px 20px rgba(91, 58, 41, 0.35);
    color: #fff;
}

.lq-btn-accent {
    background: linear-gradient(135deg, var(--lq-accent), var(--lq-accent-light));
    color: #fff;
    box-shadow: 0 4px 12px rgba(200, 149, 108, 0.3);
}

.lq-btn-accent:hover {
    box-shadow: 0 6px 20px rgba(200, 149, 108, 0.4);
    color: #fff;
}

.lq-btn-outline {
    background: transparent;
    color: var(--lq-primary);
    border: 2px solid var(--lq-primary);
}

.lq-btn-outline:hover {
    background: var(--lq-primary);
    color: #fff;
}

.lq-btn-outline.lq-joined:hover {
    background: #e74c3c !important;
    border-color: #e74c3c !important;
    color: #fff !important;
}

.lq-btn-ghost {
    background: transparent;
    color: var(--lq-text-secondary);
    padding: 8px 12px;
}

.lq-btn-ghost:hover {
    color: var(--lq-primary);
    background: rgba(91, 58, 41, 0.06);
}

/* 圈子切換按鈕：取消過渡，避免閃爍 */
.lq-circle-toggle-btn {
    transition: box-shadow 0.2s ease;
}

.lq-circle-toggle-btn:disabled {
    opacity: 0.7;
    cursor: wait;
}

.lq-btn-sm {
    padding: 6px 16px;
    font-size: 14px;
}

.lq-btn-lg {
    padding: 14px 32px;
    font-size: var(--lq-font-size-base);
}

/* ========================================
   Cards
   ======================================== */
.lq-card {
    background: var(--lq-bg-card);
    border-radius: var(--lq-radius-md);
    box-shadow: 0 2px 12px var(--lq-shadow);
    transition: box-shadow 0.25s ease;
    overflow: hidden;
}

.lq-card:hover {
    box-shadow: 0 4px 16px var(--lq-shadow-hover);
}

.lq-card-body {
    padding: var(--lq-spacing-md);
}

.lq-card-header {
    padding: var(--lq-spacing-md) var(--lq-spacing-md) 0;
}

/* ========================================
   Section Titles
   ======================================== */
.lq-section-title {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
    margin-bottom: var(--lq-spacing-md);
}

.lq-section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--lq-accent);
    border-radius: 2px;
    flex-shrink: 0;
}

.lq-section-title h2 {
    font-size: var(--lq-font-size-lg);
    margin: 0;
}

.lq-section-subtitle {
    color: var(--lq-text-secondary);
    font-size: var(--lq-font-size-sm);
    margin-bottom: var(--lq-spacing-md);
}

/* ========================================
   Main Content Area
   ======================================== */
.lq-main {
    margin-top: var(--lq-header-height);
    min-height: calc(100vh - var(--lq-header-height));
}

.lq-content {
    padding: var(--lq-spacing-lg) 0;
}

/* Three-column layout */
.lq-layout {
    display: grid;
    grid-template-columns: 260px 1fr 300px;
    gap: var(--lq-spacing-lg);
    align-items: start;
}

.lq-sidebar-left {
    position: sticky;
    top: calc(var(--lq-header-height) + var(--lq-spacing-lg));
}

.lq-sidebar-right {
    position: sticky;
    top: calc(var(--lq-header-height) + var(--lq-spacing-lg));
}

/* ========================================
   Banner
   ======================================== */
.lq-banner {
    background: linear-gradient(135deg, #F0E6D8 0%, #E8DDD0 50%, #DDD5C8 100%);
    border-radius: var(--lq-radius-lg);
    padding: var(--lq-spacing-xl) var(--lq-spacing-lg);
    margin-bottom: var(--lq-spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.lq-banner::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(74, 103, 65, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.lq-banner-title {
    font-size: var(--lq-font-size-2xl);
    color: var(--lq-primary);
    margin-bottom: var(--lq-spacing-xs);
}

.lq-banner-subtitle {
    color: var(--lq-text-secondary);
    font-size: var(--lq-font-size-sm);
}

.lq-banner-stat {
    background: var(--lq-bg-card);
    border-radius: var(--lq-radius-md);
    padding: var(--lq-spacing-md) var(--lq-spacing-lg);
    text-align: center;
    box-shadow: 0 4px 16px var(--lq-shadow);
    position: relative;
    z-index: 1;
}

.lq-banner-stat-number {
    font-size: var(--lq-font-size-2xl);
    font-weight: 700;
    color: var(--lq-accent);
}

.lq-banner-stat-label {
    font-size: var(--lq-font-size-sm);
    color: var(--lq-text-secondary);
}

/* ========================================
   Hi Card (Left Sidebar)
   ======================================== */
.lq-hi-card {
    background: linear-gradient(135deg, #EDE3D5, #FAF6F0);
    padding: var(--lq-spacing-lg) var(--lq-spacing-md);
    text-align: center;
}

.lq-hi-card .lq-greeting {
    font-size: var(--lq-font-size-xl);
    margin-bottom: var(--lq-spacing-xs);
    display: flex;
    justify-content: center;
    align-items: center;
}

.lq-hi-card .lq-greeting img {
    border-radius: 50%;
    display: block;
}

.lq-hi-card .lq-greeting-text {
    color: var(--lq-text-secondary);
    font-size: var(--lq-font-size-sm);
    margin-bottom: var(--lq-spacing-md);
}

/* ========================================
   Quick Actions
   ======================================== */
.lq-quick-actions {
    padding: var(--lq-spacing-md);
}

.lq-quick-actions h4 {
    font-size: var(--lq-font-size-sm);
    color: var(--lq-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--lq-spacing-sm);
    display: flex;
    align-items: center;
    gap: 8px;
}

.lq-quick-actions h4::before {
    content: '';
    width: 3px;
    height: 14px;
    background: var(--lq-border);
    border-radius: 2px;
}

.lq-action-link {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
    padding: var(--lq-spacing-sm) var(--lq-spacing-md);
    border-radius: var(--lq-radius-sm);
    color: var(--lq-text);
    font-size: var(--lq-font-size-sm);
    transition: background 0.2s;
}

.lq-action-link:hover {
    background: rgba(91, 58, 41, 0.06);
    color: var(--lq-primary);
}

.lq-action-link .lq-icon {
    width: 20px;
    text-align: center;
    color: var(--lq-accent);
}

/* ========================================
   Circle Cards (Featured Circles)
   ======================================== */
.lq-circles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--lq-spacing-md);
}

.lq-circle-card {
    padding: var(--lq-spacing-md);
}

.lq-circle-card:hover {
    transform: none;
    box-shadow: 0 2px 12px var(--lq-shadow);
}

.lq-circle-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--lq-spacing-sm);
    margin-bottom: var(--lq-spacing-sm);
}

.lq-circle-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--lq-radius-sm);
    background: linear-gradient(135deg, var(--lq-accent), var(--lq-accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    flex-shrink: 0;
}

.lq-circle-card h3 {
    font-size: var(--lq-font-size-base);
    margin-bottom: 4px;
}

.lq-circle-card p {
    font-size: var(--lq-font-size-sm);
    color: var(--lq-text-secondary);
    margin-bottom: var(--lq-spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lq-circle-meta {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-md);
    font-size: var(--lq-font-size-sm);
    color: var(--lq-text-light);
    margin-bottom: var(--lq-spacing-sm);
}

.lq-circle-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ========================================
   Post Feed
   ======================================== */
.lq-post-item {
    display: flex;
    gap: var(--lq-spacing-md);
    padding: var(--lq-spacing-md);
    border-bottom: 1px solid var(--lq-border-light);
    transition: background 0.2s;
}

.lq-post-item:hover {
    background: rgba(91, 58, 41, 0.02);
}

.lq-post-item:last-child {
    border-bottom: none;
}

.lq-post-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--lq-border-light);
    flex-shrink: 0;
    overflow: hidden;
}

.lq-post-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lq-post-content {
    flex: 1;
    min-width: 0;
}

.lq-post-title {
    font-size: var(--lq-font-size-base);
    font-weight: 600;
    margin-bottom: 6px;
    line-height: var(--lq-line-height-tight);
}

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

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

.lq-post-excerpt {
    font-size: var(--lq-font-size-sm);
    color: var(--lq-text-secondary);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lq-post-meta {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-md);
    font-size: 14px;
    color: var(--lq-text-light);
}

.lq-post-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lq-post-thumb {
    width: 120px;
    height: 90px;
    border-radius: var(--lq-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--lq-border-light);
}

.lq-post-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   Ranking List (Right Sidebar)
   ======================================== */
.lq-ranking-item {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
    padding: var(--lq-spacing-sm) 0;
    border-bottom: 1px solid var(--lq-border-light);
}

.lq-ranking-item:last-child {
    border-bottom: none;
}

.lq-rank-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
    background: var(--lq-border-light);
    color: var(--lq-text-secondary);
}

.lq-rank-badge.rank-1 { background: var(--lq-accent); color: #fff; }
.lq-rank-badge.rank-2 { background: var(--lq-secondary); color: #fff; }
.lq-rank-badge.rank-3 { background: var(--lq-primary-light); color: #fff; }

.lq-ranking-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--lq-border-light);
    flex-shrink: 0;
    overflow: hidden;
}

.lq-ranking-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lq-ranking-info {
    flex: 1;
    min-width: 0;
}

.lq-ranking-name {
    font-size: var(--lq-font-size-sm);
    font-weight: 600;
    color: var(--lq-text);
}

.lq-ranking-score {
    font-size: 14px;
    color: var(--lq-accent);
    font-weight: 600;
}

/* ========================================
   Tabs
   ======================================== */
.lq-tabs {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-xs);
    margin-bottom: var(--lq-spacing-md);
    border-bottom: 2px solid var(--lq-border-light);
    padding-bottom: 0;
}

.lq-tab {
    padding: 8px 16px;
    font-size: var(--lq-font-size-sm);
    font-weight: 500;
    color: var(--lq-text-secondary);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
    font-family: var(--lq-font-family);
}

.lq-tab:hover {
    color: var(--lq-primary);
}

.lq-tab.active {
    color: var(--lq-primary);
    border-bottom-color: var(--lq-accent);
    font-weight: 600;
}

.lq-tab-pill {
    padding: 4px 14px;
    font-size: 14px;
    border-radius: var(--lq-radius-full);
    background: var(--lq-border-light);
    color: var(--lq-text-secondary);
}

.lq-tab-pill.active {
    background: var(--lq-accent);
    color: #fff;
}

/* ========================================
   Footer
   ======================================== */
.lq-footer {
    background: var(--lq-primary-dark);
    color: rgba(247, 243, 237, 0.8);
    padding: var(--lq-spacing-xl) 0 var(--lq-spacing-lg);
    margin-top: var(--lq-spacing-xl);
}

.lq-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--lq-spacing-lg);
    margin-bottom: var(--lq-spacing-lg);
}

.lq-footer h4 {
    color: var(--lq-bg);
    font-size: var(--lq-font-size-base);
    margin-bottom: var(--lq-spacing-md);
}

.lq-footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--lq-spacing-sm);
}

.lq-footer-links a {
    color: rgba(247, 243, 237, 0.7);
    font-size: var(--lq-font-size-sm);
    transition: color 0.2s;
}

.lq-footer-links a:hover {
    color: var(--lq-accent);
}

.lq-footer-bottom {
    border-top: 1px solid rgba(247, 243, 237, 0.15);
    padding-top: var(--lq-spacing-md);
    text-align: center;
    font-size: 14px;
    color: rgba(247, 243, 237, 0.5);
}

/* ========================================
   Auth Modal
   ======================================== */
.lq-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lq-modal-overlay.active {
    display: flex;
}

.lq-modal {
    background: var(--lq-bg-card);
    border-radius: var(--lq-radius-lg);
    width: 90%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.lq-modal-header {
    padding: var(--lq-spacing-lg) var(--lq-spacing-lg) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lq-modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--lq-text-light);
    padding: 4px;
    line-height: 1;
}

.lq-modal-body {
    padding: var(--lq-spacing-lg);
}

/* ========================================
   Forms
   ======================================== */
.lq-form-group {
    margin-bottom: var(--lq-spacing-md);
}

.lq-form-group label {
    display: block;
    font-size: var(--lq-font-size-sm);
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--lq-text);
}

.lq-form-control {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--lq-font-family);
    font-size: var(--lq-font-size-base);
    border: 2px solid var(--lq-border);
    border-radius: var(--lq-radius-sm);
    background: var(--lq-bg-card);
    color: var(--lq-text);
    transition: border-color 0.2s;
}

.lq-form-control:focus {
    outline: none;
    border-color: var(--lq-accent);
    box-shadow: 0 0 0 3px rgba(200, 149, 108, 0.15);
}

.lq-form-control::placeholder {
    color: var(--lq-text-light);
}

/* ========================================
   Account Page
   ======================================== */
.lq-account-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--lq-spacing-lg);
    align-items: start;
}

.lq-account-nav {
    background: var(--lq-bg-card);
    border-radius: var(--lq-radius-md);
    padding: var(--lq-spacing-md);
    box-shadow: 0 2px 8px var(--lq-shadow);
}

.lq-account-nav-item {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
    padding: var(--lq-spacing-sm) var(--lq-spacing-md);
    border-radius: var(--lq-radius-sm);
    color: var(--lq-text);
    font-size: var(--lq-font-size-sm);
    transition: all 0.2s;
}

.lq-account-nav-item:hover,
.lq-account-nav-item.active {
    background: rgba(91, 58, 41, 0.08);
    color: var(--lq-primary);
}

/* ========================================
   Single Post
   ======================================== */
.lq-single-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--lq-spacing-lg);
    align-items: start;
}

.lq-article-header {
    margin-bottom: var(--lq-spacing-lg);
}

.lq-article-header h1 {
    font-size: var(--lq-font-size-2xl);
    margin-bottom: var(--lq-spacing-sm);
}

.lq-article-meta {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-md);
    color: var(--lq-text-secondary);
    font-size: var(--lq-font-size-sm);
}

.lq-article-content {
    font-size: var(--lq-font-size-base);
    line-height: var(--lq-line-height);
}

.lq-article-content p {
    margin-bottom: 1.5em;
}

.lq-article-content img {
    border-radius: var(--lq-radius-sm);
    margin: var(--lq-spacing-md) 0;
}

.lq-article-content h2 {
    font-size: var(--lq-font-size-xl);
    margin: var(--lq-spacing-lg) 0 var(--lq-spacing-md);
    padding-left: var(--lq-spacing-sm);
    border-left: 4px solid var(--lq-accent);
}

/* ========================================
   Category Page
   ======================================== */
.lq-category-header {
    background: linear-gradient(135deg, #F0E6D8, var(--lq-bg));
    border-radius: var(--lq-radius-lg);
    padding: var(--lq-spacing-lg);
    margin-bottom: var(--lq-spacing-lg);
}

.lq-category-header h1 {
    font-size: var(--lq-font-size-xl);
    margin-bottom: var(--lq-spacing-xs);
}

.lq-category-filters {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
    margin-bottom: var(--lq-spacing-md);
    flex-wrap: wrap;
}

.lq-filter-chip {
    padding: 6px 16px;
    font-size: 14px;
    border-radius: var(--lq-radius-full);
    border: 1px solid var(--lq-border);
    background: var(--lq-bg-card);
    color: var(--lq-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--lq-font-family);
}

.lq-filter-chip:hover,
.lq-filter-chip.active {
    background: var(--lq-primary);
    color: #fff;
    border-color: var(--lq-primary);
}

/* ========================================
   Pagination
   ======================================== */
.lq-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--lq-spacing-xs);
    margin-top: var(--lq-spacing-lg);
}

.lq-pagination a,
.lq-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--lq-radius-sm);
    font-size: var(--lq-font-size-sm);
    font-weight: 500;
    color: var(--lq-text-secondary);
    transition: all 0.2s;
}

.lq-pagination a:hover {
    background: rgba(91, 58, 41, 0.08);
    color: var(--lq-primary);
}

.lq-pagination .current {
    background: var(--lq-primary);
    color: #fff;
}

/* Avatar Round */
.lq-avatar-round,
.lq-avatar-round img {
    border-radius: 50%;
}

/* Spinner (Infinite Scroll) */
.lq-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--lq-border-light);
    border-top-color: var(--lq-accent);
    border-radius: 50%;
    margin: 0 auto;
    animation: lq-spin 0.8s linear infinite;
}

@keyframes lq-spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .lq-layout {
        grid-template-columns: 1fr 280px;
    }
    .lq-sidebar-left {
        display: none;
    }
    .lq-single-layout {
        grid-template-columns: 1fr 260px;
    }
    .lq-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --lq-font-size-base: 16px;
        --lq-font-size-2xl: 28px;
        --lq-header-height: 60px;
    }

    /* 缩减容器水平内边距，让内容更宽 */
    .lq-container {
        padding: 0 var(--lq-spacing-sm);
    }

    /* 缩减内容区顶部间距 */
    .lq-content {
        padding: var(--lq-spacing-md) 0;
    }

    .lq-layout {
        grid-template-columns: 1fr;
        gap: var(--lq-spacing-md);
    }
    .lq-single-layout {
        grid-template-columns: 1fr;
    }
    .lq-account-layout {
        grid-template-columns: 1fr;
    }
    .lq-footer-grid {
        grid-template-columns: 1fr;
    }
    .lq-banner {
        flex-direction: column;
        text-align: center;
        gap: var(--lq-spacing-md);
        padding: var(--lq-spacing-md);
    }
    .lq-nav-list {
        display: none;
    }
}

/* 超小屏幕进一步压缩间距 */
@media (max-width: 400px) {
    .lq-container {
        padding: 0 10px;
    }
}

/* ========================================
   Search Modal
   ======================================== */
.lq-search-modal-overlay {
    align-items: center;
    justify-content: center;
}

.lq-search-modal {
    background: var(--lq-bg-card);
    border-radius: var(--lq-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: calc(100vh - 120px);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    animation: lqModalIn 0.25s ease;
}

.lq-search-modal-header {
    padding: var(--lq-spacing-md) var(--lq-spacing-lg);
    border-bottom: 1px solid var(--lq-border-light);
}

.lq-search-form {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lq-search-icon {
    flex-shrink: 0;
    color: var(--lq-text-light);
}

.lq-search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: var(--lq-font-size-lg);
    font-family: var(--lq-font-family);
    color: var(--lq-text);
    padding: 8px 0;
}

.lq-search-input::placeholder {
    color: var(--lq-text-light);
}

.lq-search-close-btn {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--lq-text-light);
    padding: 6px;
    border-radius: var(--lq-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.lq-search-close-btn:hover {
    background: rgba(91, 58, 41, 0.08);
    color: var(--lq-text);
}

.lq-search-results {
    overflow-y: auto;
    max-height: calc(100vh - 240px);
    padding: var(--lq-spacing-md) var(--lq-spacing-lg);
}

.lq-search-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--lq-spacing-xl) 0;
    color: var(--lq-text-light);
    font-size: var(--lq-font-size-sm);
}

.lq-search-hints {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--lq-spacing-md);
    justify-content: center;
}

.lq-search-hint-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(91, 58, 41, 0.06);
    border-radius: var(--lq-radius-full);
    font-size: var(--lq-font-size-xs);
    color: var(--lq-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.lq-search-hint-tag:hover {
    background: rgba(200, 149, 108, 0.15);
    color: var(--lq-accent);
}

.lq-search-result-item {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--lq-border-light);
    transition: all 0.2s;
}

.lq-search-result-item:last-child {
    border-bottom: none;
}

.lq-search-result-item:hover {
    opacity: 0.8;
}

.lq-search-result-title {
    font-size: var(--lq-font-size-base);
    font-weight: 600;
    color: var(--lq-text);
    margin-bottom: 4px;
}

.lq-search-result-excerpt {
    font-size: var(--lq-font-size-sm);
    color: var(--lq-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lq-search-loading,
.lq-search-no-results {
    text-align: center;
    padding: var(--lq-spacing-xl) 0;
    color: var(--lq-text-light);
    font-size: var(--lq-font-size-sm);
}

/* ========================================
   移動端底部導航欄
   ======================================== */
.lq-mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--lq-bg-card, #fff);
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
    padding: 8px 0 calc(8px + env(safe-area-inset-bottom, 0px));
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    height: 60px;
    border-top: 1px solid var(--lq-border-light);
}

.lq-mobile-nav-item {
    flex: 1;
    height: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    text-decoration: none;
    color: var(--lq-text-secondary, #666);
    transition: color 0.2s ease;
    font-size: 13px;
    line-height: 1;
    min-width: 0;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font-family: inherit;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.lq-mobile-nav-item.active {
    color: var(--lq-accent, #5B3A29);
}

.lq-mobile-nav-item:active {
    transform: scale(0.93);
}

.lq-mobile-nav-icon {
    width: 24px;
    height: 24px;
}

.lq-mobile-nav-label {
    font-size: 11px;
    font-weight: 500;
}

/* 中間發佈按鈕 - 突出圓形 */
.lq-mobile-nav-publish {
    flex: none;
    position: relative;
    top: -12px;
    width: 52px;
    height: 52px;
}

.lq-mobile-publish-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 4px solid var(--lq-bg-card, #fff);
    background: linear-gradient(135deg, var(--lq-accent, #5B3A29), var(--lq-accent-light, #8B6914));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(91, 58, 41, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lq-mobile-nav-publish:active .lq-mobile-publish-btn {
    transform: scale(0.9);
    box-shadow: 0 1px 4px rgba(91, 58, 41, 0.3);
}

/* 手機端顯示 */
@media (max-width: 768px) {
    .lq-mobile-nav {
        display: flex;
    }
    /* 給頁面底部留出空間，避免內容被導航欄遮擋 */
    body:not(.lq-no-bottom-pad) {
        padding-bottom: 72px;
    }
}

/* 適配 iPhone 劉海屏 */
@supports (padding: max(0px)) {
    .lq-mobile-nav {
        padding-bottom: max(8px, env(safe-area-inset-bottom));
    }
}

/* ========================================
   藥圈分類模態框（底部導航用）
   ======================================== */
.lq-cat-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 2000;
    display: none;
    align-items: flex-end;
    justify-content: center;
}

.lq-cat-modal-overlay.show {
    display: flex;
}

.lq-cat-modal {
    background: var(--lq-bg-card, #fff);
    border-radius: var(--lq-radius-lg, 16px) var(--lq-radius-lg, 16px) 0 0;
    width: 100%;
    max-width: 480px;
    max-height: 75vh;
    overflow: hidden;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.lq-cat-modal-overlay.show .lq-cat-modal {
    transform: translateY(0);
}

.lq-cat-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--lq-spacing-md) var(--lq-spacing-lg);
    border-bottom: 1px solid var(--lq-border-light);
}

.lq-cat-modal-title {
    font-size: var(--lq-font-size-lg, 18px);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lq-cat-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--lq-text-secondary);
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.lq-cat-modal-close:hover {
    background: rgba(0, 0, 0, 0.05);
}

.lq-cat-modal-body {
    padding: var(--lq-spacing-sm) var(--lq-spacing-md);
    overflow-y: auto;
    max-height: calc(75vh - 60px);
    -webkit-overflow-scrolling: touch;
}

.lq-cat-modal-card {
    display: flex;
    align-items: center;
    gap: var(--lq-spacing-sm);
    padding: var(--lq-spacing-sm) var(--lq-spacing-xs);
    border-radius: var(--lq-radius-sm, 8px);
    text-decoration: none;
    color: var(--lq-text);
    transition: background 0.2s;
}

.lq-cat-modal-card:active {
    background: rgba(91, 58, 41, 0.06);
}

.lq-cat-modal-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--lq-radius-sm, 8px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.lq-cat-modal-info {
    flex: 1;
    min-width: 0;
}

.lq-cat-modal-info h4 {
    font-size: var(--lq-font-size-base, 15px);
    margin: 0 0 2px;
}

.lq-cat-modal-info span {
    font-size: 13px;
    color: var(--lq-text-light);
}