/* 河洛中医 - 古朴中式风格 */

:root {
    --color-primary: #5D4037;
    --color-secondary: #2E7D32;
    --color-accent: #8D6E63;
    --color-bg: #FFF8E1;
    --color-bg-card: #FFFDF5;
    --color-text: #3E2723;
    --color-text-light: #6D4C41;
    --color-border: #D7CCC8;
    --color-success: #43A047;
    --color-warning: #E65100;
    --color-info: #1565C0;
    --shadow-soft: 0 2px 12px rgba(93, 64, 55, 0.08);
    --shadow-medium: 0 4px 20px rgba(93, 64, 55, 0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --content-font-size: 16px;
}

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

body {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    line-height: 1.8;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ═══════ 页面切换 ═══════ */
.page {
    display: none;
    flex: 1;
    flex-direction: column;
}

.page.active {
    display: flex;
}

/* ═══════ 首页样式 ═══════ */
.header {
    text-align: center;
    padding: 40px 20px 20px;
    background: linear-gradient(180deg, var(--color-primary) 0%, transparent 100%);
    color: var(--color-bg);
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    letter-spacing: 0.1em;
}

.main-content {
    flex: 1;
    padding: 20px;
}

.intro-text {
    text-align: center;
    margin-bottom: 24px;
    color: var(--color-text-light);
    font-size: 1rem;
}

/* ═══════ 全文搜索区域 ═══════ */
.fulltext-search-section {
    margin-bottom: 24px;
}

.fulltext-search-header {
    text-align: center;
    margin-bottom: 20px;
}

.fulltext-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.15em;
    margin-bottom: 6px;
}

.fulltext-desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.fulltext-search-tabs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.search-tab {
    display: flex;
    align-items: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-soft);
}

.search-tab:hover {
    border-color: var(--color-primary);
    background: #FFF;
    transform: translateX(4px);
    box-shadow: var(--shadow-medium);
}

.search-tab:active {
    transform: translateX(2px);
}

.tab-icon {
    font-size: 1.6rem;
    margin-right: 12px;
    flex-shrink: 0;
}

.tab-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tab-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
}

.tab-desc {
    font-size: 0.78rem;
    color: var(--color-text-light);
    line-height: 1.4;
}

.tab-arrow {
    font-size: 1.4rem;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-left: 8px;
    font-weight: 300;
}

/* ═══════ 内科面板 ═══════ */
.neike-panel {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.diagnosis-box {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

#symptom-input {
    width: 100%;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    resize: none;
    min-height: 120px;
}

#symptom-input:focus {
    outline: none;
}

#symptom-input::placeholder {
    color: var(--color-accent);
    opacity: 0.6;
}

.diagnosis-btn {
    width: 100%;
    margin-top: 16px;
    padding: 16px;
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.1em;
}

.diagnosis-btn:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.diagnosis-btn:active {
    transform: translateY(0);
}

/* ═══════ 示例症状 ═══════ */
.example-symptoms {
    padding: 0 8px;
}

.example-title {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
    margin-top: 20px;
}

.example-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.example-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.example-item:hover {
    border-color: var(--color-primary);
    background: #FFF;
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.example-icon {
    font-size: 1.2rem;
}

/* ═══════ 结果页样式 ═══════ */
.result-header {
    padding: 16px 20px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
}

.page-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-left: 12px;
}

.back-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    padding: 8px 0;
}

.result-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.symptom-summary {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
    border-left: 4px solid var(--color-secondary);
}

.symptom-summary h2 {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.symptom-text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.8;
}

.diagnosis-result h2 {
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: var(--color-primary);
}

/* ═══════ 诊断卡片 ═══════ */
.diagnosis-card {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

.diagnosis-card.primary {
    border-left: 4px solid var(--color-secondary);
}

.diagnosis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--color-border);
}

.diagnosis-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.diagnosis-score {
    font-size: 0.85rem;
    color: var(--color-success);
    background: rgba(67, 160, 71, 0.1);
    padding: 4px 10px;
    border-radius: 20px;
}

/* 陈士铎说 */
.chen-quote {
    background: linear-gradient(135deg, #FFF8E1 0%, #FFFDF5 100%);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid var(--color-border);
    position: relative;
}

.chen-quote::before {
    content: '"';
    position: absolute;
    top: -8px;
    left: 12px;
    font-size: 2.5rem;
    color: var(--color-accent);
    opacity: 0.3;
    font-family: serif;
}

.chen-quote-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.chen-quote-text {
    font-size: 0.95rem;
    line-height: 2;
    color: var(--color-text);
    text-indent: 2em;
}

/* 辨证要点 */
.diagnosis-points {
    margin-bottom: 16px;
}

.points-section {
    margin-bottom: 12px;
}

.points-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 6px;
    font-weight: 500;
}

.points-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.point-tag {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    background: rgba(67, 160, 71, 0.1);
    color: var(--color-success);
}

.point-tag.reject {
    background: rgba(230, 81, 0, 0.1);
    color: var(--color-warning);
}

.point-tag.patho {
    background: rgba(25, 118, 210, 0.1);
    color: #1976D2;
}

.diff-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    padding: 8px 12px;
    background: rgba(21, 101, 192, 0.05);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-info);
}

/* 治法和方剂 */
.treatment-section {
    margin-bottom: 16px;
}

.treatment-label {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 6px;
    font-weight: 500;
}

.treatment-text {
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 500;
}

.formula-section {
    background: #F5F5F5;
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}

.formula-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.formula-composition {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.8;
}

.formula-method {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 8px;
    font-style: italic;
}

.view-original-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-original-btn:hover {
    background: var(--color-bg);
    border-color: var(--color-primary);
}

/* 其他可能方向 */
.alternatives-section {
    margin-top: 24px;
}

.alternatives-section h3 {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.alternatives-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.alternative-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.alternative-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-soft);
}

.alternative-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alternative-title {
    font-size: 0.95rem;
    color: var(--color-text);
}

.alternative-score {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* 内科详情页 */
.detail-content {
    padding: 20px;
}

.breadcrumb {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.original-text {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 24px;
    font-size: 1rem;
    line-height: 2.2;
    color: var(--color-text);
    text-indent: 2em;
    box-shadow: var(--shadow-soft);
}

/* ═══════ 外科检索页 ═══════ */
.surgical-search-content {
    flex: 1;
    padding: 20px;
}

.surgical-intro {
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.surgical-input-box {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

#surgical-input {
    width: 100%;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    resize: none;
    min-height: 100px;
}

#surgical-input:focus {
    outline: none;
}

#surgical-input::placeholder {
    color: var(--color-accent);
    opacity: 0.6;
}

/* ═══════ 快捷标签 ═══════ */
.quick-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 0;
}

.quick-tag {
    font-size: 0.85rem;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    cursor: pointer;
    transition: all 0.2s ease;
}

.quick-tag:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    background: rgba(46, 125, 50, 0.05);
}

.quick-tag:active {
    background: rgba(46, 125, 50, 0.1);
}

.surgical-search-btn {
    width: 100%;
    margin-top: 8px;
    padding: 16px;
    background: var(--color-secondary);
    color: #FFF;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.1em;
}

.surgical-search-btn:hover {
    background: #1B5E20;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.surgical-search-btn:active {
    transform: translateY(0);
}

/* ═══════ 外科结果页 ═══════ */
.surgical-result-content {
    flex: 1;
    padding: 20px;
}

.surgical-query-display {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 20px;
    border-left: 4px solid var(--color-secondary);
    font-size: 0.95rem;
}

.query-label {
    color: var(--color-text-light);
    font-size: 0.85rem;
}

.query-text {
    color: var(--color-text);
    font-weight: 500;
}

.surgical-results-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* ═══════ 外科结果卡片 ═══════ */
.surgical-result-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    transition: all 0.2s ease;
}

.surgical-result-card:hover {
    box-shadow: var(--shadow-medium);
    border-color: var(--color-secondary);
}

.src-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.src-title-area {
    flex: 1;
}

.src-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.src-volume {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.src-match {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-left: 12px;
}

.src-symptoms {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.symptom-tag {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.src-formulas {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.formula-tag {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--color-secondary);
    color: #FFF;
}

.src-detail-btn {
    display: block;
    width: 100%;
    padding: 10px;
    background: transparent;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.src-detail-btn:hover {
    background: rgba(46, 125, 50, 0.05);
    border-color: var(--color-secondary);
}

/* 无结果 */
.no-result {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-light);
}

.no-result-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.no-result-hint {
    font-size: 0.85rem;
    margin-top: 8px;
    opacity: 0.7;
}

/* ═══════ 外科详情页 ═══════ */
.surgical-detail-content {
    flex: 1;
    padding: 20px;
}

.detail-title-section {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
}

.detail-disease-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.detail-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.detail-volume, .detail-source {
    padding: 2px 8px;
    background: var(--color-bg);
    border-radius: 4px;
}

/* 信息卡片 */
.detail-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.detail-info-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-soft);
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--color-border);
}

.symptom-card-title {
    color: #D32F2F;
}

.formula-card-title {
    color: var(--color-secondary);
}

.patho-card-title {
    color: #1976D2;
}

.card-body {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.detail-symptom-tag {
    font-size: 0.85rem;
    padding: 5px 12px;
    border-radius: 4px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.detail-formula-tag {
    font-size: 0.85rem;
    padding: 5px 12px;
    border-radius: 4px;
    background: var(--color-secondary);
    color: #FFF;
}

.detail-pathogenesis-item {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.8;
    width: 100%;
}

.no-data {
    font-size: 0.85rem;
    color: var(--color-text-light);
    opacity: 0.6;
    font-style: italic;
}

/* 原文区 */
.detail-original-section {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

.original-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.original-text-content {
    font-size: 0.95rem;
    line-height: 2.2;
    color: var(--color-text);
    text-indent: 2em;
}

/* 原文标注 */
.highlight-symptom {
    color: #D32F2F;
    font-weight: 500;
    background: rgba(211, 47, 47, 0.06);
    padding: 0 2px;
    border-radius: 2px;
}

.highlight-pathogenesis {
    color: #1976D2;
    font-weight: 500;
    background: rgba(25, 118, 210, 0.06);
    padding: 0 2px;
    border-radius: 2px;
}

.highlight-formula {
    color: #2E7D32;
    font-weight: 500;
    background: rgba(46, 125, 50, 0.06);
    padding: 0 2px;
    border-radius: 2px;
}

/* ═══════ 页脚 ═══════ */
.footer {
    padding: 16px 20px;
    text-align: center;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ═══════ 加载状态 ═══════ */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 248, 225, 0.95);
    z-index: 100;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-right-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
    position: relative;
    box-shadow: inset 0 0 0 1px var(--color-border);
}

.loading-spinner::after {
    content: '辨';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.loading-text {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.loading-subtext {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ═══════ 响应式 ═══════ */
@media (max-width: 380px) {
    .logo h1 {
        font-size: 1.8rem;
    }

    .example-list {
        grid-template-columns: 1fr;
    }

    .search-tab {
        padding: 12px 14px;
    }

    .tab-icon {
        font-size: 1.4rem;
    }

    .src-title {
        font-size: 1rem;
    }
}


/* ═══════ 全文搜索响应式 ═══════ */
@media (max-width: 360px) {
    .fulltext-title {
        font-size: 1.15rem;
    }
    .search-tab {
        padding: 12px 12px;
    }
    .tab-icon {
        font-size: 1.4rem;
        margin-right: 10px;
    }
    .tab-label {
        font-size: 0.92rem;
    }
}

/* ═══════ 本草查询页样式 ═══════ */
.herb-search-content {
    flex: 1;
    padding: 16px 20px;
}

.herb-intro {
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.herb-input-box {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.herb-search-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-card);
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s;
}

.herb-search-input:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.1);
}

.herb-search-input::placeholder {
    color: #A1887F;
}

.herb-search-btn {
    padding: 12px 20px;
    background: var(--color-secondary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.herb-search-btn:hover {
    background: #1B5E20;
}

.herb-search-btn:active {
    transform: scale(0.98);
}

/* 本草段落标题 */
.herb-section-title {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
    font-weight: 500;
}

.herb-quick-section {
    margin-bottom: 20px;
}

/* 高频药材快捷标签 */
.herb-quick-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.herb-quick-tag {
    padding: 6px 14px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s;
}

.herb-quick-tag:hover {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
}

.herb-quick-tag:active {
    transform: scale(0.95);
}

/* 首字母导航 */
.herb-letter-section {
    margin-bottom: 20px;
}

.herb-letter-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.herb-letter-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 44px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.herb-letter-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.herb-letter-btn .letter-count {
    font-size: 0.6rem;
    font-weight: 400;
    color: var(--color-text-light);
    margin-top: -2px;
}

.herb-letter-btn:hover .letter-count {
    color: rgba(255,255,255,0.7);
}

/* ═══════ 本草结果页 ═══════ */
.herb-result-content {
    flex: 1;
    padding: 16px 20px;
}

.herb-results-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.herb-group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0 6px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 4px;
}

.herb-group-tag {
    font-size: 0.85rem;
    font-weight: 500;
    padding: 2px 10px;
    border-radius: 12px;
}

.herb-group-tag.bencao-tag {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-secondary);
}

.herb-group-tag.formula-tag {
    background: rgba(93, 64, 55, 0.08);
    color: var(--color-text-light);
}

.herb-group-count {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* 药材卡片 */
.herb-card {
    display: flex;
    align-items: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.herb-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-soft);
}

.herb-card:active {
    transform: scale(0.99);
}

.herb-card-bencao {
    border-left: 3px solid var(--color-secondary);
}

.herb-card-formula {
    border-left: 3px solid var(--color-border);
}

.herb-card-header {
    display: flex;
    flex-direction: column;
    min-width: 120px;
    margin-right: 12px;
}

.herb-card-name {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.herb-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    display: inline-block;
    width: fit-content;
}

.herb-tag.bencao-tag {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-secondary);
}

.herb-tag.formula-tag {
    background: rgba(93, 64, 55, 0.08);
    color: var(--color-text-light);
}

.herb-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.herb-card-field {
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.herb-card-field em {
    font-style: normal;
    color: var(--color-accent);
    font-weight: 500;
}

.herb-card-arrow {
    color: var(--color-accent);
    font-size: 1rem;
    margin-left: 8px;
}

/* 无结果 */
.herb-no-result {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-light);
}

.herb-no-result-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.herb-no-result-hint {
    font-size: 0.85rem;
    margin-top: 8px;
    opacity: 0.8;
}

/* ═══════ 本草详情页 ═══════ */
.herb-detail-content {
    flex: 1;
    padding: 16px 20px 40px;
}

.herb-detail-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.herb-detail-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.herb-detail-tag {
    font-size: 0.8rem;
    padding: 3px 12px;
    border-radius: 12px;
    display: inline-block;
    margin-right: 8px;
}

.herb-detail-tag.bencao-tag {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-secondary);
}

.herb-detail-tag.formula-tag {
    background: rgba(93, 64, 55, 0.08);
    color: var(--color-text-light);
}

.herb-detail-volume {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-left: 8px;
}

/* 别名 */
.herb-aliases {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.herb-alias-tag {
    padding: 3px 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* 详情信息网格 */
.herb-detail-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.herb-info-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px;
}

.herb-info-item.herb-info-full {
    grid-column: 1 / -1;
}

.herb-info-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 4px;
}

.herb-info-value {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.6;
}

.herb-freq-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.herb-freq-value small {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-light);
    margin-left: 2px;
}

/* 详情段落 */
.herb-detail-section {
    margin-bottom: 24px;
}

.herb-section-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}

/* 提示条 */
.herb-detail-notice {
    background: rgba(93, 64, 55, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* 原文区域 */
.herb-original-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.herb-original-text {
    font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
    font-size: 0.95rem;
    color: var(--color-text);
}

.herb-original-para {
    line-height: 1.8;
    margin-bottom: 16px;
    text-indent: 2em;
    text-align: justify;
}

.herb-original-para:last-child {
    margin-bottom: 0;
}

/* 方剂标签 */
.herb-formula-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.herb-formula-tag {
    padding: 5px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    font-size: 0.85rem;
    color: var(--color-text);
    transition: all 0.2s;
}

.herb-formula-tag:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.herb-no-data {
    text-align: center;
    padding: 20px;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

/* ═══════ 本草响应式 ═══════ */
@media (max-width: 380px) {
    .herb-letter-btn {
        width: 36px;
        height: 40px;
        font-size: 0.8rem;
    }

    .herb-detail-info-grid {
        grid-template-columns: 1fr;
    }

    .herb-card-header {
        min-width: 90px;
    }
}

/* ═══════ 药材名可点击链接样式 ═══════ */
/* 用于内科/外科/古籍详情页原文中的药材名 */
.herb-link {
    color: var(--color-secondary);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 3px;
    cursor: pointer;
    transition: all 0.15s ease;
    border-radius: 2px;
    padding: 0 1px;
}

.herb-link:hover {
    background: rgba(46, 125, 50, 0.1);
    text-decoration-style: solid;
    color: #1B5E20;
}

.herb-link:active {
    background: rgba(46, 125, 50, 0.2);
    transform: scale(0.98);
}

/* 在原文区域中与其他高亮标签叠加 */
.highlight-symptom .herb-link,
.herb-link.highlight-symptom {
    text-decoration-color: var(--color-warning);
    text-decoration-style: double;
}

.highlight-formula .herb-link,
.herb-link.highlight-formula {
    text-decoration-color: var(--color-secondary);
    text-decoration-style: double;
}

/* tooltip（PC端hover显示） */
.herb-link[title] {
    position: relative;
}

/* 移动端点击反馈 - 无ripple，轻微高亮 */
@media (hover: none) {
    .herb-link:active {
        background: rgba(46, 125, 50, 0.25);
        box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.15);
    }
}

/* ═══════ 启动页 ═══════ */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: linear-gradient(180deg, #FFF8E1 0%, #F5F0E0 50%, #EDE7D0 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
    opacity: 1;
}

.splash-screen.splash-hidden {
    opacity: 0;
    pointer-events: none;
}

.splash-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.splash-seal {
    width: 100px;
    height: 100px;
    border: 4px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.15em;
    position: relative;
    box-shadow: inset 0 0 0 2px var(--color-primary),
                0 0 20px rgba(93, 64, 55, 0.15);
    animation: sealPulse 2s ease-in-out infinite;
}

.splash-seal::after {
    content: '';
    position: absolute;
    width: 88px;
    height: 88px;
    border: 1.5px solid var(--color-primary);
    border-radius: 50%;
    opacity: 0.4;
}

@keyframes sealPulse {
    0%, 100% { transform: scale(1); box-shadow: inset 0 0 0 2px var(--color-primary), 0 0 20px rgba(93, 64, 55, 0.15); }
    50% { transform: scale(1.03); box-shadow: inset 0 0 0 2px var(--color-primary), 0 0 30px rgba(93, 64, 55, 0.25); }
}

.splash-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.2em;
    margin: 0;
}

.splash-subtitle {
    font-size: 0.9rem;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    margin: 0;
}

.splash-loader {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.splash-loader-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: splashDot 1.4s ease-in-out infinite;
}

.splash-loader-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.splash-loader-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes splashDot {
    0%, 80%, 100% { transform: scale(0.4); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; }
}

/* ═══════ 按钮Loading状态 ═══════ */
.btn-loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.btn-loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
    margin-left: 8px;
    vertical-align: middle;
}

/* ═══════ 页面切换过渡动画 ═══════ */
.page.active {
    animation: pageFadeIn 0.25s ease;
}

@keyframes pageFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ═══════ 空状态 / 错误状态 ═══════ */
.empty-state, .error-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-light);
}

.empty-state-icon, .error-state-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.empty-state-text, .error-state-text {
    font-size: 1rem;
    margin-bottom: 8px;
}

.empty-state-hint {
    font-size: 0.85rem;
    opacity: 0.7;
}

.retry-btn {
    margin-top: 16px;
    padding: 10px 24px;
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
}

.retry-btn:active {
    transform: scale(0.97);
}

/* ═══════ 内联输入提示 ═══════ */
.inline-error-hint {
    color: var(--color-warning);
    font-size: 0.85rem;
    margin-top: 8px;
    padding: 6px 12px;
    animation: fadeIn 0.2s ease;
}

/* ═══════ Placeholder抖动动画 ═══════ */
@keyframes placeholderShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(3px); }
}

.input-shake {
    animation: placeholderShake 0.4s ease;
    border-color: var(--color-warning) !important;
}

/* ═══════ 字号调节浮动按钮 ═══════ */
.font-size-btn {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--color-secondary);
    background: var(--color-bg-card);
    color: var(--color-secondary);
    font-family: 'Noto Serif SC', serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    opacity: 0.5;
    transition: opacity 0.2s, transform 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0;
}

.font-size-btn:hover {
    opacity: 1;
}

.font-size-btn:active {
    transform: scale(0.9);
    opacity: 1;
}

/* 字号变量应用到内容区域 */
.result-content,
.detail-content,
.surgical-result-content,
.surgical-detail-content,
.herb-result-content,
.herb-detail-content {
    font-size: var(--content-font-size);
    transition: font-size 0.2s ease;
}

.result-content .chen-quote-text,
.result-content .treatment-text,
.result-content .formula-name,
.detail-content .original-text-content,
.detail-content .card-body,
.surgical-detail-content .original-text-content,
.surgical-detail-content .card-body,
.herb-detail-content .herb-original-text,
.herb-detail-content .herb-detail-section {
    font-size: var(--content-font-size);
    line-height: 1.8;
    transition: font-size 0.2s ease;
}


/* =============================================
   AI解读模块 v1.3 样式
   ============================================= */

/* 容器 */
.ai-interpret-container {
    margin: 16px 0;
    padding: 16px;
    background: #FFF8E1;
    border: 2px solid #2E7D32;
    border-radius: 8px;
    font-size: var(--content-font-size);
    line-height: 1.7;
}

/* 免责声明 */
.ai-disclaimer {
    font-size: 12px;
    color: #9E9E9E;
    text-align: center;
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px dashed #e0d8ce;
}

/* 字段通用 */
.ai-field {
    margin-bottom: 12px;
}

.ai-field-label {
    display: block;
    font-weight: 600;
    color: #6b5a48;
    font-size: 13px;
    margin-bottom: 4px;
}

/* 病机定性 */
.ai-direction-text {
    font-weight: 700;
    font-size: 1.05em;
    color: #4a3c2e;
}

/* 鉴别 - 陈士铎特色斜体引用 */
.ai-differential {
    background: rgba(139, 119, 90, 0.06);
    border-left: 3px solid #c4a97d;
    padding: 8px 12px;
    border-radius: 0 8px 8px 0;
    margin: 10px 0;
}

.ai-differential-text {
    font-style: italic;
    color: #7a6550;
    margin: 0;
    line-height: 1.8;
}

/* 病机分析 */
.ai-pathogenesis-text {
    color: #4a3c2e;
    margin: 4px 0 0;
    text-align: justify;
}

/* 标签行（治法+主方） */
.ai-tags-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 10px 0;
}

.ai-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 1px solid #ddd3c5;
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 13px;
}

.ai-tag-label {
    color: #9a8a78;
    font-size: 12px;
}

.ai-tag-value {
    color: #4a3c2e;
    font-weight: 600;
}

/* 原文依据 - 引用块 */
.ai-original-texts {
    margin-top: 12px;
}

.ai-text-block {
    background: #fff;
    border: 1px solid #ebe4da;
    border-radius: 8px;
    padding: 10px 12px;
    margin: 6px 0;
}

.ai-text-source {
    font-size: 11px;
    color: #b0a090;
    font-weight: 600;
    margin-bottom: 4px;
}

.ai-text-excerpt {
    font-size: 13px;
    color: #6b5a48;
    margin: 0;
    line-height: 1.7;
}

/* 治法思路折叠区 */
.ai-strategy-section {
    margin-top: 12px;
    background: #fff;
    border: 1px solid #e0d8ce;
    border-radius: 8px;
    overflow: hidden;
}

.ai-strategy-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 10px 14px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    color: #8a7a68;
    font-weight: 600;
    text-align: left;
}

.ai-strategy-toggle:hover {
    background: rgba(139, 119, 90, 0.05);
}

.ai-strategy-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.ai-strategy-section.expanded .ai-strategy-arrow {
    transform: rotate(90deg);
}

.ai-strategy-content {
    display: none;
    padding: 0 14px 12px;
    font-size: 13px;
    color: #5a4a3a;
    line-height: 1.8;
}

.ai-strategy-section.expanded .ai-strategy-content {
    display: block;
}

/* Loading态 */
.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    color: #b0a090;
}

.ai-loading-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #e0d8ce;
    border-top-color: #c4a97d;
    border-radius: 50%;
    animation: ai-spin 0.8s linear infinite;
    margin-bottom: 10px;
}

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

/* AI解读按钮 */
.ai-interpret-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 44px;
    padding: 10px;
    margin: 12px 0;
    background: linear-gradient(135deg, #5D4037 0%, #795548 100%);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    color: #FFF8E1;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-interpret-btn:hover {
    background: linear-gradient(135deg, #4E342E 0%, #6D4C41 100%);
}

.ai-interpret-btn:active {
    transform: scale(0.98);
}

.ai-interpret-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* 错误态 */
.ai-error {
    text-align: center;
    color: #b0a090;
    font-size: 13px;
}