/* ================================
   解题策略模块样式（统一版）
   strategy/ 和 strategy1/ 共用
   ================================ */

.strategy-section {
    margin-bottom: 20px;
}

/* 标题层级 */
.strategy-section h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text, #1e293b);
    margin: 0 0 10px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #eff6ff;
}
.strategy-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text, #1e293b);
    margin: 18px 0 8px 0;
    padding-left: 8px;
    border-left: 3px solid var(--primary, #2563eb);
}
.strategy-section h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary, #2563eb);
    margin: 12px 0 6px 0;
}

/* 列表样式 */
.strategy-section ul,
.strategy-section ol {
    padding-left: 20px;
    margin: 8px 0;
}
.strategy-section li {
    margin-bottom: 6px;
    color: var(--text-secondary, #64748b);
    line-height: 1.8;
}

/* 高亮关键词 */
.highlight {
    background: #fef3c7;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    color: #92400e;
}
.keyword {
    background: #eff6ff;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    color: var(--primary, #2563eb);
}

/* 提示框 */
.tip-box {
    background: #f0fdf4;
    border-left: 4px solid #16a34a;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 12px 0;
    font-size: 0.88rem;
}
.tip-box strong { color: #16a34a; }

.warn-box {
    background: #fef2f2;
    border-left: 4px solid #dc2626;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 12px 0;
    font-size: 0.88rem;
}
.warn-box strong { color: #dc2626; }

.info-box {
    background: #eff6ff;
    border-left: 4px solid var(--primary, #2563eb);
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
    margin: 12px 0;
    font-size: 0.88rem;
}
.info-box strong { color: var(--primary, #2563eb); }

/* 步骤列表 */
.step-list {
    list-style: none;
    padding: 0;
    margin: 8px 0;
    counter-reset: step;
}
.step-list li {
    counter-increment: step;
    position: relative;
    padding: 10px 0 10px 44px;
    margin-bottom: 4px;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary, #475569);
    border-bottom: 1px solid #f1f5f9;
}
.step-list li:last-child {
    border-bottom: none;
}
.step-list li strong {
    color: var(--text, #1e293b);
}
.step-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary, #2563eb);
    color: #fff;
    font-weight: 700;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 对错列表 */
.check-list {
    list-style: none;
    padding: 0;
    margin: 6px 0;
}
.check-list li {
    padding: 4px 0 4px 24px;
    position: relative;
    margin-bottom: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary, #64748b);
}
.check-list li::before {
    content: "\2705";
    position: absolute;
    left: 0;
    top: 2px;
}

.cross-list {
    list-style: none;
    padding: 0;
    margin: 6px 0;
}
.cross-list li {
    padding: 4px 0 4px 24px;
    position: relative;
    margin-bottom: 4px;
    font-size: 0.85rem;
    color: #dc2626;
}
.cross-list li::before {
    content: "\274c";
    position: absolute;
    left: 0;
    top: 2px;
}

/* 例句框 */
.example-box {
    background: #f8fafc;
    border: 1px dashed #bfdbfe;
    border-radius: 8px;
    padding: 12px 16px;
    margin: 10px 0;
    font-family: var(--font-mono, Georgia, serif);
    font-size: 0.9rem;
    line-height: 1.7;
}
.example-box .correct {
    color: #16a34a;
    font-weight: 500;
}
.example-box .wrong {
    color: #dc2626;
    text-decoration: line-through;
}

/* 响应式 */
@media (max-width: 480px) {
    .strategy-section h2 { font-size: 1.05rem; }
    .strategy-section h3 { font-size: 0.92rem; }
    .strategy-section li { font-size: 0.85rem; }
    .step-list li { font-size: 0.82rem; padding-left: 36px; }
    .step-list li::before {
        width: 24px; height: 24px; font-size: 0.75rem;
    }
    .example-box { font-size: 0.8rem; padding: 10px 14px; }
}

/* ===== Strategy subpage detail cards ===== */

.detail-card {
    background: #fff; border-radius: 14px; padding: 24px 22px;
    margin-bottom: 18px; border: 1px solid #e9ecef;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03); transition: box-shadow 0.2s;
}
.detail-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.detail-card-title {
    font-size: 1.05rem; font-weight: 600; color: #1e293b;
    margin: 0 0 14px 0; display: flex; align-items: center; gap: 8px;
}
.title-icon {
    width: 32px; height: 32px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; flex-shrink: 0;
}
.detail-definition {
    font-size: 0.95rem; line-height: 1.7; color: #334155; margin: 0;
}
.detail-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 18px; border: none; border-radius: 8px;
    font-size: 0.85rem; font-weight: 500; cursor: pointer;
    transition: all 0.2s; text-decoration: none;
}
.detail-btn:active { transform: scale(0.96); }
.detail-btn-primary { background: #2563eb; color: #fff; }
.detail-btn-primary:hover { background: #1d4ed8; }
.detail-btn-secondary { background: #f1f5f9; color: #475569; border: 1.5px solid #e2e8f0; }
.detail-btn-secondary:hover { background: #e2e8f0; }

/* ===== Card hover effect ===== */

.card:hover { transform: translateY(-4px); box-shadow: 0 6px 18px rgba(0,0,0,0.12); }

/* ===== Strategy Index Page ===== */

/* Container top padding is now handled by .page-header + .container in style.css (0px) */
.strategy-container { padding-top: 0; }

/* Topic card grid */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

/* Topic card link */
.strategy-card {
    padding: 24px;
    text-align: center;
    text-decoration: none;
    display: block;
    transition: transform 0.2s, box-shadow 0.2s;
}

/* Card inner elements */
.strategy-card-icon {
    font-size: 2.4rem;
    margin-bottom: 8px;
}
.strategy-card-title {
    font-weight: 700;
    font-size: 1.05rem;
    color: #333;
}
.strategy-card-score {
    color: #e74c3c;
    font-weight: 700;
    margin-top: 6px;
}

/* Overview card */
.strategy-overview {
    padding: 20px;
    margin-bottom: 16px;
    margin-top: 16px;
    text-align: center;
}
.strategy-overview h3 {
    margin: 0 0 8px 0;
}
.strategy-overview p {
    margin: 0;
    font-size: 1.1rem;
    color: #333;
}
.strategy-overview-total {
    color: #e74c3c;
    font-size: 1.4rem;
}

/* Responsive */
@media (max-width: 480px) {
    .strategy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .strategy-card {
        padding: 16px;
    }
    .strategy-card-icon {
        font-size: 1.8rem;
    }
    .strategy-card-title {
        font-size: 0.95rem;
    }
}

/* ===== Strategy Detail Page Utility ===== */

/* h3 with top margin */
.step-heading { margin-top: 16px; }

/* Detail page navigation buttons */
.detail-nav {
    display: flex;
    gap: 10px;
    margin-top: 24px;
}
.detail-nav-btn {
    flex: 1;
    justify-content: center;
}

/* 修饰语/定语标记（阅读策略页） */
.grammar-modifier { color: #999; }

/* ===== Production strategy detail shell ===== */
.strategy-detail-page {
    background: var(--bg);
}

.strategy-detail-page .page-header {
    margin: 0;
    border: 0;
    background: transparent;
}

.strategy-detail-page .page-header > .container {
    padding-top: 18px;
}

.strategy-detail-page .strategy-detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 20px;
    padding: 22px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.strategy-detail-kicker {
    margin-bottom: 6px;
    color: var(--primary);
    font-size: 0.76rem;
    font-weight: 800;
}

.strategy-detail-page .strategy-detail-hero h1 {
    margin: 0;
    color: var(--text);
    font-size: 1.35rem;
    line-height: 1.4;
    letter-spacing: 0;
}

.strategy-detail-page .strategy-detail-hero p {
    max-width: 680px;
    margin: 8px 0 0;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.7;
}

.strategy-detail-meta,
.strategy-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.strategy-detail-meta {
    margin-top: 14px;
}

.strategy-detail-meta span {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    min-height: 30px;
    padding: 6px 10px;
    border-radius: 8px;
    background: var(--bg);
    color: var(--text-secondary);
    font-size: 0.7rem;
}

.strategy-detail-meta strong {
    color: var(--text);
    font-size: 0.82rem;
}

.strategy-detail-actions {
    margin-top: 14px;
}

.strategy-detail-actions .detail-btn {
    min-height: 40px;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 8px;
}

.strategy-detail-score {
    display: grid;
    min-height: 132px;
    place-items: center;
    align-self: stretch;
    border: 1px solid var(--primary-border);
    border-radius: 8px;
    background: var(--primary-bg);
    text-align: center;
}

.strategy-detail-score > div {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: center;
    column-gap: 5px;
}

.strategy-detail-score strong {
    display: block;
    color: var(--primary);
    font-size: 2.25rem;
    line-height: 1;
}

.strategy-detail-score span {
    display: block;
    margin-top: 0;
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 700;
}

.strategy-detail-score small {
    display: block;
    flex-basis: 100%;
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.66rem;
}

.strategy-detail-content {
    display: grid;
    gap: 14px;
    max-width: 960px;
    padding-top: 14px;
    padding-bottom: 36px;
}

.strategy-detail-content .strategy-section,
.strategy-detail-content .detail-card {
    margin: 0;
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.strategy-detail-content .strategy-section:hover,
.strategy-detail-content .detail-card:hover {
    transform: none;
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.strategy-detail-content .strategy-section h2,
.strategy-detail-content .detail-card h2 {
    display: flex;
    align-items: center;
    min-height: 34px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-light);
    font-size: 1rem;
}

.strategy-detail-content .strategy-section h3,
.strategy-detail-content .detail-card h3 {
    border-left-width: 2px;
    font-size: 0.9rem;
}

.strategy-detail-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
}

.strategy-detail-content th,
.strategy-detail-content td {
    padding: 9px 10px;
    border: 1px solid var(--border-light);
    text-align: left;
    vertical-align: top;
}

.strategy-detail-content th {
    background: var(--bg);
    color: var(--text);
}

.strategy-detail-content td {
    color: var(--text-secondary);
    line-height: 1.55;
}

.strategy-detail-content .tip-box,
.strategy-detail-content .warn-box,
.strategy-detail-content .info-box,
.strategy-detail-content .example-box {
    border-radius: 8px;
}

.strategy-source-note {
    margin: 0;
    padding: 10px 12px;
    border: 1px solid #fde68a;
    border-radius: 8px;
    background: #fffdf7;
    color: #92400e;
    font-size: 0.7rem;
    line-height: 1.55;
}

@media (max-width: 640px) {
    .strategy-detail-page .page-header > .container {
        padding-top: 12px;
    }

    .strategy-detail-page .strategy-detail-hero {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 16px;
    }

    .strategy-detail-page .strategy-detail-hero h1 {
        font-size: 1.18rem;
    }

    .strategy-detail-score {
        min-height: 92px;
    }

    .strategy-detail-score strong {
        font-size: 1.8rem;
    }

    .strategy-detail-content {
        gap: 10px;
        padding-top: 10px;
    }

    .strategy-detail-content .strategy-section,
    .strategy-detail-content .detail-card {
        padding: 16px;
        overflow-x: auto;
    }

    .strategy-detail-content table {
        min-width: 560px;
    }
}