/* 宗贸网 - 全局样式 */
:root {
  --primary: #1a5276;
  --primary-light: #2980b9;
  --accent: #e74c3c;
  --accent-green: #27ae60;
  --bg: #f5f6fa;
  --card: #ffffff;
  --text: #2c3e50;
  --text-light: #7f8c8d;
  --border: #e0e0e0;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: var(--primary-light); text-decoration: none; }
a:hover { color: var(--primary); }

/* 导航 */
.navbar { background: var(--primary); padding: 0 2rem; display: flex; align-items: center; height: 56px; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.nav-brand { color: #fff; font-size: 1.3rem; font-weight: 700; margin-right: 2rem; white-space: nowrap; }
.nav-links { display: flex; gap: 0.5rem; flex: 1; }
.nav-links a { color: rgba(255,255,255,0.85); padding: 0.5rem 1rem; border-radius: 4px; font-size: 0.95rem; transition: all .2s; }
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,0.15); }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-right a { color: rgba(255,255,255,0.85); font-size: 0.9rem; }

/* 导航下拉菜单 */
.nav-dropdown { position: relative; }
.nav-dropdown .dropdown-toggle { cursor: pointer; user-select: none; }
.nav-dropdown .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary);
    min-width: 160px;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    z-index: 200;
    padding: 0.3rem 0;
}
.nav-dropdown .dropdown-content a {
    display: block;
    padding: 0.5rem 1.2rem;
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
    white-space: nowrap;
    border-radius: 0;
}
.nav-dropdown .dropdown-content a:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
}
.nav-dropdown:hover .dropdown-content {
    display: block;
}
/* 移动端下拉点击展开 */
@media (max-width: 768px) {
    .nav-dropdown .dropdown-content {
        display: none;
        position: static;
        background: rgba(255,255,255,0.05);
        border-radius: 0;
        box-shadow: none;
        padding-left: 1rem;
    }
    .nav-dropdown.open .dropdown-content {
        display: block;
    }
    .nav-dropdown .dropdown-content a {
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
}

/* 容器 */
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

/* 卡片 */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; margin-bottom: 1.5rem; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border); }
.card-title { font-size: 1.1rem; font-weight: 600; color: var(--primary); }

/* 行情表格 */
.quote-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.quote-table th { text-align: left; padding: 0.6rem 0.8rem; background: #f8f9fa; color: var(--text-light); font-weight: 600; border-bottom: 2px solid var(--border); white-space: nowrap; }
.quote-table td { padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
.quote-table tr:hover { background: #f8f9fb; }
.up { color: var(--accent); font-weight: 600; }
.down { color: var(--accent-green); font-weight: 600; }

/* 分类标签 */
.cat-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.cat-tab { padding: 0.4rem 1rem; border-radius: 20px; border: 1px solid var(--border); background: #fff; cursor: pointer; font-size: 0.9rem; transition: all .2s; }
.cat-tab:hover, .cat-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 新闻列表 */
.news-item { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.news-item:last-child { border-bottom: none; }
.news-title { font-size: 1rem; font-weight: 500; color: var(--text); margin-bottom: 0.3rem; }
.news-title:hover { color: var(--primary-light); }
.news-meta { font-size: 0.8rem; color: var(--text-light); }
.news-summary { font-size: 0.9rem; color: var(--text-light); margin-top: 0.3rem; }
.headline-badge { background: var(--accent); color: #fff; font-size: 0.7rem; padding: 0.1rem 0.4rem; border-radius: 3px; margin-right: 0.5rem; }

/* 数据面板 */
.data-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.data-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.2rem; }
.data-card .label { font-size: 0.85rem; color: var(--text-light); }
.data-card .value { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin: 0.3rem 0; }
.data-card .unit { font-size: 0.8rem; color: var(--text-light); }

/* 表单 */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 0.3rem; color: var(--text); }
.form-control { width: 100%; padding: 0.6rem 0.8rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem; transition: border .2s; }
.form-control:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(41,128,185,0.1); }
.btn { padding: 0.6rem 1.5rem; border: none; border-radius: 6px; font-size: 0.95rem; cursor: pointer; transition: all .2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }

/* 指数看板 */
.index-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.index-card { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; border-radius: var(--radius); padding: 1.2rem; text-align: center; }
.index-card .idx-name { font-size: 0.85rem; opacity: 0.9; }
.index-card .idx-val { font-size: 1.8rem; font-weight: 700; margin: 0.3rem 0; }
.index-card .idx-chg { font-size: 0.9rem; }
.index-card.up-card { background: linear-gradient(135deg, #c0392b, #e74c3c); }
.index-card.down-card { background: linear-gradient(135deg, #1e8449, #27ae60); }

/* 信号卡片 */
.signal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem; }
.signal-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.2rem; transition: transform .15s, box-shadow .15s; border-left: 4px solid transparent; }
.signal-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
.signal-card.long { border-left-color: #27ae60; }
.signal-card.short { border-left-color: #e74c3c; }
.signal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.8rem; }
.signal-dir { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.2rem 0.7rem; border-radius: 12px; font-size: 0.8rem; font-weight: 600; }
.signal-dir.long { background: #e8f5e9; color: #27ae60; }
.signal-dir.short { background: #fdecea; color: #e74c3c; }
.signal-name { font-weight: 600; font-size: 1rem; color: var(--text); }
.signal-symbol { font-size: 0.8rem; color: var(--text-light); margin-left: 0.4rem; }
.signal-prices { display: flex; gap: 1rem; margin-bottom: 0.6rem; font-size: 0.85rem; }
.signal-price-item { display: flex; flex-direction: column; }
.signal-price-label { color: var(--text-light); font-size: 0.75rem; }
.signal-price-val { font-weight: 600; }
.signal-current { margin-bottom: 0.6rem; font-size: 0.85rem; }
.signal-current .label { color: var(--text-light); }
.signal-current .val { font-weight: 600; }
.signal-rationale { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0.6rem; line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.signal-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--text-light); }
.signal-status { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.75rem; }
.signal-status.active { background: #e3f2fd; color: #1565c0; }
.signal-status.hit_target { background: #e8f5e9; color: #27ae60; }
.signal-status.stopped_out { background: #fdecea; color: #e74c3c; }
.signal-status.cancelled { background: #f5f5f5; color: #999; }
.signal-pnl { font-weight: 600; }
.signal-pnl.positive { color: #27ae60; }
.signal-pnl.negative { color: #e74c3c; }

/* 创建信号表单 */
.signal-form { max-width: 600px; margin: 0 auto; }
.signal-form .direction-group { display: flex; gap: 1rem; margin-bottom: 1rem; }
.direction-option { flex: 1; text-align: center; padding: 0.7rem; border: 2px solid var(--border); border-radius: 8px; cursor: pointer; transition: all .2s; font-weight: 500; }
.direction-option:hover { border-color: var(--primary-light); }
.direction-option.selected.long { border-color: #27ae60; background: #e8f5e9; color: #27ae60; }
.direction-option.selected.short { border-color: #e74c3c; background: #fdecea; color: #e74c3c; }
.price-row { display: flex; gap: 1rem; }
.price-row .form-group { flex: 1; }

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

/* Footer */
.footer { background: var(--primary); color: rgba(255,255,255,0.7); padding: 2rem; text-align: center; margin-top: 3rem; font-size: 0.85rem; }
.footer a { color: rgba(255,255,255,0.9); }

/* 汉堡按钮 */
.hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; padding: 0.3rem 0.6rem; }

/* 响应式 */
@media (max-width: 768px) {
  .navbar { padding: 0 1rem; }
  .hamburger { display: block; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 56px; left: 0; right: 0; background: var(--primary); padding: 0.5rem 1rem; box-shadow: 0 4px 8px rgba(0,0,0,0.15); z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.7rem 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .container { padding: 1rem; }
  .index-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-table { font-size: 0.8rem; }
}