/* 五味六饮品牌研究 - 样式表 */

:root {
    --color-paper: #f5f3ee;
    --color-ink: #2c2c2c;
    --color-ink-light: #666;
    --color-herb-green: #7ba05b;
    --color-herb-green-light: #9cb87d;
    --color-border: #d8d4ca;
    --color-bg-section: #ffffff;
    --color-shadow: rgba(0, 0, 0, 0.08);
    
    --font-base: 16px;
    --line-height-base: 1.8;
    --max-width: 1200px;
}

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

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
    font-size: var(--font-base);
    line-height: var(--line-height-base);
    color: var(--color-ink);
    background-color: var(--color-paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 布局 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px;
}

.layout {
    display: flex;
    gap: 32px;
    margin-top: 24px;
}

/* 头部 */
.header {
    background: var(--color-bg-section);
    border-bottom: 2px solid var(--color-herb-green);
    box-shadow: 0 2px 8px var(--color-shadow);
    padding: 32px 0;
    margin-bottom: 24px;
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.brand-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.brand-subtitle {
    font-size: 14px;
    color: var(--color-herb-green);
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.research-meta {
    font-size: 13px;
    color: var(--color-ink-light);
    line-height: 1.6;
}

.disclaimer {
    margin-top: 12px;
    padding: 12px 16px;
    background: #fff9e6;
    border-left: 3px solid var(--color-herb-green);
    font-size: 13px;
    color: var(--color-ink-light);
    border-radius: 4px;
}

/* 侧边栏 */
.sidebar {
    width: 260px;
    flex-shrink: 0;
}

.sidebar-sticky {
    position: sticky;
    top: 20px;
}

.sidebar-nav {
    background: var(--color-bg-section);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px var(--color-shadow);
}

.nav-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

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

.nav-item {
    margin-bottom: 8px;
}

.nav-link {
    display: block;
    padding: 8px 12px;
    color: var(--color-ink-light);
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-link:hover,
.nav-link.active {
    background: var(--color-herb-green-light);
    color: white;
}

.logout-btn {
    margin-top: 16px;
    width: 100%;
    padding: 10px;
    background: var(--color-border);
    color: var(--color-ink);
    border: none;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
}

.logout-btn:hover {
    background: #ccc;
}

/* 主内容 */
.main-content {
    flex: 1;
    min-width: 0;
}

.section {
    background: var(--color-bg-section);
    border-radius: 8px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px var(--color-shadow);
    scroll-margin-top: 20px;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-herb-green);
}

.section-subtitle {
    font-size: 14px;
    color: var(--color-ink-light);
    margin-bottom: 20px;
    font-style: italic;
}

/* 简短结论 */
.summary-grid {
    display: grid;
    gap: 16px;
}

.summary-item {
    padding: 20px;
    border-left: 4px solid var(--color-herb-green);
    background: var(--color-paper);
    border-radius: 4px;
}

.summary-point {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
}

.summary-detail {
    font-size: 15px;
    color: var(--color-ink-light);
    line-height: 1.7;
}

.reliability-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 12px;
    font-weight: 500;
    margin-top: 8px;
}

.reliability-high {
    background: #c8e6c9;
    color: #2e7d32;
}

.reliability-medium {
    background: #fff9c4;
    color: #f57f17;
}

.reliability-low {
    background: #ffccbc;
    color: #d84315;
}

.reliability-conditional {
    background: #e1bee7;
    color: #6a1b9a;
}

/* 证据卡片 */
.evidence-list {
    display: grid;
    gap: 16px;
}

.evidence-item {
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: #fafaf8;
}

.evidence-type {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-herb-green);
    color: white;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
    margin-bottom: 12px;
}

.evidence-source {
    font-size: 14px;
    color: var(--color-ink);
    font-weight: 500;
    margin-bottom: 8px;
}

.evidence-source a {
    color: var(--color-herb-green);
    text-decoration: none;
}

.evidence-source a:hover {
    text-decoration: underline;
}

.evidence-content {
    padding: 12px 16px;
    background: white;
    border-left: 3px solid var(--color-border);
    margin: 12px 0;
    font-size: 14px;
    line-height: 1.7;
    white-space: pre-wrap;
}

.evidence-note {
    font-size: 13px;
    color: var(--color-ink-light);
    margin-top: 8px;
}

/* 表格 */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.data-table th {
    background: var(--color-paper);
    font-weight: 600;
    font-size: 14px;
    color: var(--color-ink);
}

.data-table td {
    font-size: 14px;
    color: var(--color-ink-light);
}

.data-table tr:hover {
    background: #fafaf8;
}

/* 列表 */
.info-list {
    list-style: none;
    padding-left: 0;
}

.info-list li {
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    font-size: 15px;
    line-height: 1.7;
}

.info-list li:before {
    content: "●";
    color: var(--color-herb-green);
    position: absolute;
    left: 0;
}

/* 关系图 */
.relationship-diagram {
    padding: 24px;
    background: #fafaf8;
    border-radius: 6px;
    margin: 16px 0;
}

.company-card {
    padding: 20px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    margin-bottom: 16px;
}

.company-card:last-child {
    margin-bottom: 0;
}

.company-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 8px;
}

.company-role {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-herb-green-light);
    color: white;
    font-size: 12px;
    border-radius: 3px;
    margin-bottom: 12px;
}

.company-details {
    font-size: 14px;
    color: var(--color-ink-light);
    line-height: 1.8;
}

.company-details strong {
    color: var(--color-ink);
}

/* 产品列表 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
    margin: 16px 0;
}

.product-card {
    padding: 16px;
    background: #fafaf8;
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.product-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: 8px;
}

.product-price {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-herb-green);
    margin-bottom: 4px;
}

.product-note {
    font-size: 12px;
    color: var(--color-ink-light);
}

/* 计算器 */
.calculator {
    padding: 24px;
    background: #fff9e6;
    border: 2px dashed var(--color-herb-green);
    border-radius: 8px;
    margin: 24px 0;
}

.calculator-warning {
    font-size: 18px;
    font-weight: 600;
    color: #d84315;
    text-align: center;
    margin-bottom: 16px;
    padding: 12px;
    background: white;
    border-radius: 4px;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.calc-input-group {
    display: flex;
    flex-direction: column;
}

.calc-label {
    font-size: 13px;
    color: var(--color-ink);
    margin-bottom: 6px;
    font-weight: 500;
}

.calc-input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 14px;
}

.calc-input:focus {
    outline: none;
    border-color: var(--color-herb-green);
}

.calc-results {
    margin-top: 24px;
    padding: 20px;
    background: white;
    border-radius: 6px;
}

.calc-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.calc-result-label {
    font-size: 15px;
    color: var(--color-ink);
}

.calc-result-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-herb-green);
}

.calc-result-value.negative {
    color: #d84315;
}

/* 筛选器 */
.filter-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    background: white;
    color: var(--color-ink-light);
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--color-herb-green);
}

.filter-btn.active {
    background: var(--color-herb-green);
    color: white;
    border-color: var(--color-herb-green);
}

/* 移动端菜单切换 */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    background: var(--color-herb-green);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.sidebar.mobile-open {
    display: block;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        padding: 20px;
    }
    
    .sidebar-nav {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .section {
        padding: 24px 20px;
    }
    
    .brand-title {
        font-size: 24px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 12px;
    }
    
    .header {
        padding: 20px 0;
    }
    
    .section {
        padding: 20px 16px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px;
    }
}

/* 装饰性植物图案 */
.plant-decoration {
    width: 40px;
    height: 40px;
    margin: 0 auto 16px;
}

/* 打印样式 */
@media print {
    .sidebar,
    .mobile-menu-toggle,
    .logout-btn,
    .calculator {
        display: none;
    }
    
    .section {
        page-break-inside: avoid;
        box-shadow: none;
    }
}