/* ========== 卡片网格布局 ========== */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.8rem;
    margin: 2rem 0;
    width: 100%;
}

/* 普通卡片样式：白色背景 + 柔和阴影 + 高度一致 */
.card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
}
.card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: rgba(0, 0, 0, 0.12);
}

/* 介绍卡片样式（白色背景，图片裁剪行为不同） */
.intro-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.intro-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: rgba(0, 0, 0, 0.12);
}

/* ========== flex 并排布局容器 ========== */
.flex-row {
    display: flex;
    gap: 2.5rem;
    align-items: stretch;
    margin: 2.5rem 0;
}

/* 响应式容器：自动占满空间，允许收缩 */
.responsive-container {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    min-height: 0;
    width: 100%;
}
.responsive-container .card,
.responsive-container .intro-card {
    flex: 1;
    height: auto;
}

/* 左右分栏卡片布局（兼容旧结构） */
.card-split {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    flex-wrap: wrap;
}
.card-left {
    flex: 1.2;
    min-width: 180px;
}
.card-right {
    flex: 1.8;
    min-width: 200px;
}
.card-left .img-row {
    display: flex;
    gap: 0.8rem;
    flex-direction: row;
}
.card-left .img-row img {
    flex: 1;
    min-width: 0;
    height: auto;
    max-height: 220px;
    object-fit: cover;
    border-radius: 20px;
}
@media (max-width: 768px) {
    .card-split {
        flex-direction: column;
    }
    .card-left, .card-right {
        flex: 1;
    }
    .card-left .img-row img {
        max-height: 180px;
    }
}

/* ========== 三列卡片布局（图片 | 图片 | 文字）强制等高 ========== */
.intro-three-col {
    display: flex;
    flex-direction: row;
    gap: 1.5rem;
    align-items: stretch;
    flex-wrap: nowrap;
    width: 100%;
    flex: 1;
}
.intro-three-col .col-img {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    min-height: 0;
}
.intro-three-col .col-text {
    display: flex;
    flex-direction: column;
    flex: 1.5;
    min-width: 0;
}
.intro-three-col .col-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}
@media (max-width: 640px) {
    .intro-three-col {
        flex-wrap: wrap;
        flex-direction: column;
    }
    .intro-three-col .col-img {
        display: flex;
        flex-direction: row;
        gap: 1rem;
        width: 100%;
        min-height: auto;
    }
    .intro-three-col .col-img img {
        height: auto;
        flex: 1;
    }
}

/* 卡片内标题（一二级标题保持原大小） */
.card h3, .intro-card h3 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 0.75rem;
    border-left: 4px solid #6fbf4c;
    padding-left: 0.75rem;
    color: #1a3c2a;
}
.card h2, .intro-card h2 {
    font-size: 2.4rem;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 0.3rem;
    color: #1a3c2a;
}

/* ========== 图片样式区分 ========== */
/* 普通卡片内的图片：不裁剪，完整显示 */
.card img {
    border-radius: 18px;
    margin: 0 0 1rem 0;
    width: 100%;
    height: auto;
    object-fit: contain;
}
/* 介绍卡片内的图片：可裁剪，填满容器 */
.intro-card img {
    border-radius: 18px;
    margin: 0 0 1rem 0;
    width: 100%;
    max-height: 200px;
    object-fit: cover;
}

/* 卡片内的并排图片行 */
.card .img-row {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: nowrap;
}
.card .img-row img {
    flex: 1;
    min-width: 0;
    height: auto;
    object-fit: contain;
    margin: 0;
}
.intro-card .img-row {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    margin-bottom: 1rem;
    flex-wrap: nowrap;
}
.intro-card .img-row img {
    flex: 1;
    min-width: 0;
    max-height: 150px;
    object-fit: cover;
    margin: 0;
}

/* ========== 卡片内正文（增大10%：1.32rem → 1.45rem） ========== */
.card p, .card li, .intro-card p, .intro-card li {
    font-size: 1.45rem;
    line-height: 1.5;
    color: #2c3e2f;
}
.card strong, .intro-card strong {
    font-weight: bold;
    color: #2a6b3c;
}
.card hr, .intro-card hr {
    margin: 1rem 0;
    border: 0;
    height: 1px;
    background: linear-gradient(to right, #e0e7e0, transparent);
}

/* ========== 表格卡片样式 ========== */
.table-card {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 20px;
    padding: 1rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
    overflow-x: auto;
    box-sizing: border-box;
}
.table-card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.12);
}
/* 无滚动条 + 响应式字体的表格（增大10%：1.2rem → 1.32rem） */
.table-card.no-scroll table,
.table-card.no-scroll th,
.table-card.no-scroll td {
    font-size: 1.32rem;
    font-weight: 500;
}
@container (max-width: 700px) {
    .table-card.no-scroll table,
    .table-card.no-scroll th,
    .table-card.no-scroll td {
        font-size: 1.19rem;
    }
}
@container (max-width: 600px) {
    .table-card.no-scroll table,
    .table-card.no-scroll th,
    .table-card.no-scroll td {
        font-size: 1.06rem;
    }
}
@container (max-width: 500px) {
    .table-card.no-scroll table,
    .table-card.no-scroll th,
    .table-card.no-scroll td {
        font-size: 0.92rem;
    }
}
@container (max-width: 400px) {
    .table-card.no-scroll table,
    .table-card.no-scroll th,
    .table-card.no-scroll td {
        font-size: 0.86rem;
    }
}

/* 原有的 .table-wrapper（用于滚动表格，保持不变） */
.table-wrapper {
    overflow-x: auto;
    margin: 1.2rem 0;
}

/* ========== 参考内容样式（增大10%：1.2rem → 1.32rem） ========== */
.ref-outside {
    display: block !important;
    clear: both !important;
    width: 100% !important;
    margin-top: 2.5rem !important;
    margin-bottom: 3.5rem !important;
    padding: 0.75rem 1rem;
    font-size: 1.32rem;
    font-weight: 500;
    color: #4a5568;
    background-color: rgba(0, 0, 0, 0.01);
    border-left: 3px solid #6fbf4c;
    border-radius: 8px;
    line-height: 1.5;
    box-sizing: border-box;
}
.ref-outside {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 0.75rem;
}
.ref-outside::after {
    content: "\A";
    white-space: pre;
    display: block;
    height: 0;
}
.ref-outside + * {
    display: block;
    margin-top: 2.5rem !important;
    clear: both;
}
@media (max-width: 640px) {
    .ref-outside {
        margin-top: 1.5rem !important;
        margin-bottom: 2rem !important;
        padding: 0.5rem 0.8rem;
        font-size: 1.25rem;
    }
    .ref-outside + * {
        margin-top: 1.5rem !important;
    }
}

/* ========== 全局图片样式 ========== */
img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
}
img:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 全局并排图片行 */
.img-row {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
    margin: 1rem 0;
    flex-wrap: nowrap;
}
.img-row img {
    flex: 1;
    min-width: 0;
    height: auto;
    object-fit: contain;
    border-radius: 20px;
}
@media (max-width: 640px) {
    .img-row {
        flex-wrap: wrap;
    }
    .img-row img {
        max-width: 100%;
    }
}

/* 正文中单独出现的图片 */
.content img:not(.card img):not(.intro-card img):not(.img-row img) {
    display: block;
    margin: 1.5rem auto;
    border-radius: 24px;
    object-fit: contain;
}

/* ========== 扩大内容区宽度（无横向滚动条） ========== */
.content {
    max-width: none !important;
    width: auto !important;
    margin: 0;
    padding: 0 2rem 2rem 2rem;
    box-sizing: border-box;
}

/* 标题样式 */
.content h3 {
    font-size: 1rem;
    font-weight: bold;
    margin: 1rem 0 0.5rem 0;
}

@media (max-width: 768px) {
    .content {
        padding: 0 1rem 1rem 1rem;
    }
}

/* ========== 响应式 ========== */
@media (max-width: 640px) {
    .card-container {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    .card, .intro-card {
        padding: 1.2rem;
    }
    .flex-row {
        flex-wrap: wrap;
    }
}

/* ========== 深色模式适配 ========== */
@media (prefers-color-scheme: dark) {
    .card, .intro-card, .table-card {
        background: #2d2d2d;
        border-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    .card:hover, .intro-card:hover, .table-card:hover {
        box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        border-color: rgba(255, 255, 255, 0.15);
    }
    .card p, .card li, .intro-card p, .intro-card li {
        color: #e0e0e0;
    }
    .card h2, .card h3, .intro-card h2, .intro-card h3 {
        color: #cce3cd;
    }
    .card h3, .intro-card h3 {
        border-left-color: #8bc34a;
    }
    .card strong, .intro-card strong {
        color: #b9e6a5;
    }
    .card hr, .intro-card hr {
        background: #444;
    }
    .ref-outside {
        color: #cbd5e0;
        background-color: rgba(255, 255, 255, 0.02);
        border-left-color: #8bc34a;
        border-top-color: rgba(255, 255, 255, 0.05);
    }
    img {
        box-shadow: 0 2px 8px rgba(255,255,255,0.02);
    }
}