/*
 * MemorialBridge – 全站卡片与图片尺寸规范
 * ─────────────────────────────────────────────────────
 * 图片比例规格（使用 variables.css 中的 --ratio-* token）：
 *   人物头像卡片       3:4   .mb-img--portrait
 *   事件/专题封面卡片  16:9  .mb-img--landscape
 *   相关名人方形图     1:1   .mb-img--square
 *   作品封面图         3:4   .mb-img--work
 *
 * 卡片类型：
 *   .mb-person-card       人物列表卡片（explore / home）
 *   .mb-event-card        事件列表卡片（events）
 *   .mb-topic-feature-card 专题 Featured 卡片（topics）
 *   .mb-topic-list-card   专题普通列表卡片（topics）
 *   .mb-work-card         作品卡片（topic_detail）
 *   .mb-related-card      相关名人卡片（topic_detail）
 */

/* ────────────────────────────────────────────────
   旧版兼容（避免破坏现有页面）
   ──────────────────────────────────────────────── */

.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    background-color: var(--color-white);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.card-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-bottom: none;
    font-weight: 600;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.memorial-card-wrapper { height: 100%; margin-bottom: var(--spacing-lg); }

.memorial-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(14, 104, 89, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.memorial-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.memorial-card-image-container {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f5f5, #e0e0e0);
    /* 统一使用 aspect-ratio 替代固定 height */
    aspect-ratio: var(--ratio-portrait);
}

.memorial-card-image,
.memorial-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform var(--transition-slow);
}

.memorial-card:hover .memorial-card-image,
.memorial-card:hover .memorial-image { transform: scale(1.04); }

.memorial-card-placeholder,
.memorial-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--placeholder-person);
    color: var(--color-gray-400);
}

.memorial-card-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}
.memorial-card:hover .memorial-card-overlay { opacity: 1; }

.memorial-badge { position: absolute; top: 12px; right: 12px; z-index: 2; }

.memorial-card-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.memorial-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.memorial-card-title a { color: var(--color-gray-800); transition: color var(--transition-fast); }
.memorial-card-title a:hover { color: var(--color-primary) !important; }

.memorial-card-dates {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: 0.5rem;
}

.memorial-card-bio {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.6;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.memorial-card-stats {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 0 0;
    border-top: 1px solid var(--color-gray-100);
    margin-top: auto;
}

.stat-item {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: var(--font-size-sm); font-weight: 600;
    color: var(--color-gray-700);
}

.memorial-card-footer {
    display: flex; align-items: center; justify-content: space-between;
}

.memorial-owner { display: flex; align-items: center; gap: 0.5rem; }

.owner-avatar {
    width: 28px; height: 28px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 600; font-size: var(--font-size-xs);
}

.owner-name { font-size: var(--font-size-sm); color: var(--color-gray-600); }

.featured-memorial-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.95), rgba(14,104,89,0.02));
    border: 1px solid rgba(14,104,89,0.1);
    transition: all 0.3s ease;
}
.featured-memorial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(14,104,89,0.15) !important;
}

/* ════════════════════════════════════════════════
   新版统一卡片体系  mb-*
   ════════════════════════════════════════════════ */

/* ── 图片容器基类 ── */
.mb-media {
    position: relative;
    overflow: hidden;
    background: var(--placeholder-topic);
    flex-shrink: 0;
    /* 默认 16:9，子类覆盖 */
    aspect-ratio: var(--ratio-landscape);
}

.mb-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
}

/* 比例变体 */
.mb-media--portrait  { aspect-ratio: var(--ratio-portrait);  background: var(--placeholder-person); }
.mb-media--landscape { aspect-ratio: var(--ratio-landscape); }
.mb-media--square    { aspect-ratio: var(--ratio-square);    background: var(--placeholder-person); }
.mb-media--work      { aspect-ratio: var(--ratio-work);      }

/* 人物/作品图定位靠上（展示面部/封面上半）*/
.mb-media--portrait img,
.mb-media--square   img { object-position: center top; }

/* 占位图样式 */
.mb-media__placeholder {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem;
}
.mb-media--portrait  .mb-media__placeholder { color: #8eb3cd; }
.mb-media--landscape .mb-media__placeholder { color: rgba(15,39,67,0.28); font-size: 2.8rem; }
.mb-media--square    .mb-media__placeholder { color: #8eb3cd; }
.mb-media--work      .mb-media__placeholder { color: rgba(179,136,80,0.38); font-size: 2.8rem; }

/* ── 卡片基础结构 ── */
.mb-card {
    display: flex;
    flex-direction: column;
    height: 100%;                         /* 撑满父网格行高 */
    background: var(--card-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.mb-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(20, 38, 66, 0.20);
}

.mb-card__body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.mb-card__footer {
    margin-top: auto;                     /* 永远贴底 */
    padding-top: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

/* ── 文字截断工具类 ── */
.mb-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.mb-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mb-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ────────────────────────────────────────────────
   人物纪念卡片  .mb-person-card
   图片: 3:4 竖版，面部靠上
   ──────────────────────────────────────────────── */
.mb-person-card {
    display: flex; flex-direction: column;
    height: 100%;
    border-radius: 8px; overflow: hidden;
    background: #ffffff; border: 1px solid #e0e3e5;
    text-decoration: none; color: inherit;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.mb-person-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,20,30,0.12);
    border-color: #ccd0d2; color: inherit;
}

.mb-person-card .mb-media--portrait {
    aspect-ratio: var(--ratio-portrait);
    background: var(--placeholder-person);
}

.mb-person-card__body {
    padding: 12px 12px 14px;
    flex: 1; display: flex; flex-direction: column;
}

.mb-person-card__name {
    font-family: var(--font-family-serif);
    font-size: 0.875rem; font-weight: 700; color: #00141e;
    line-height: 1.3; margin-bottom: 3px;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-person-card__years {
    font-family: var(--font-family-sans);
    font-size: 0.8rem; color: #7f898e; margin-bottom: 6px;
}

.mb-person-card__bio {
    font-family: var(--font-family-sans);
    font-size: 0.78rem; color: #7f898e; line-height: 1.5;
    flex: 1;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-person-card__stats {
    display: flex; gap: 0.6rem;
    margin-top: 8px; padding-top: 8px;
    border-top: 1px solid #f2f3f4;
    font-family: var(--font-family-sans);
    font-size: 0.75rem; color: #adb5bd;
}

/* ────────────────────────────────────────────────
   事件纪念卡片  .mb-event-card
   图片: 16:9 横版
   ──────────────────────────────────────────────── */
.mb-event-card {
    display: flex; flex-direction: column; height: 100%;
    border: var(--card-border); border-radius: var(--card-radius);
    overflow: hidden; background: #fff;
    box-shadow: 0 4px 16px rgba(18,35,56,0.06);
    transition: transform .22s ease, box-shadow .22s ease;
    min-width: 0;
}
.mb-event-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(18,35,56,0.12);
}

.mb-event-card .mb-media--landscape {
    aspect-ratio: var(--ratio-landscape);
    background: var(--placeholder-event);
}

.mb-event-card__date-badge {
    position: absolute; left: 12px; top: 12px;
    background: rgba(8,27,49,0.88); color: #f8f5ef;
    border-radius: 999px; font-size: .78rem; font-weight: 600;
    padding: .35rem .8rem; letter-spacing: .02em;
    backdrop-filter: blur(4px);
}

.mb-event-card__body {
    padding: 1.1rem; display: flex; flex-direction: column; flex: 1;
    min-width: 0;
}

.mb-event-card__title {
    font-family: var(--font-family-serif);
    font-size: 1.1rem; font-weight: 800; color: #00141e;
    line-height: 1.35; margin-bottom: .45rem;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
    overflow-wrap: anywhere;
    word-break: break-word;
}
.mb-event-card__title a { color: inherit; text-decoration: none; }
.mb-event-card__title a:hover { color: var(--lg-blue); }

.mb-event-card__summary {
    font-size: .88rem; color: #5e6f83; line-height: 1.75; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
    overflow-wrap: anywhere;
    word-break: break-word;
    max-width: 100%;
}

.mb-event-card__footer {
    margin-top: auto; padding-top: .85rem;
    display: flex; justify-content: space-between; align-items: center; gap: .8rem;
    min-width: 0;
    flex-wrap: wrap;
}

/* ────────────────────────────────────────────────
   专题 Featured 卡片  .mb-topic-feature-card
   图片: 16:9 横版
   ──────────────────────────────────────────────── */
.mb-topic-feature-card {
    display: flex; flex-direction: column; height: 100%;
    border: var(--card-border); border-radius: var(--card-radius);
    overflow: hidden; background: #fff;
    box-shadow: 0 4px 16px rgba(18,35,56,0.06);
    transition: transform .22s ease, box-shadow .22s ease;
}
.mb-topic-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(18,35,56,0.12);
}

.mb-topic-feature-card .mb-media--landscape {
    aspect-ratio: var(--ratio-landscape);
    background: var(--placeholder-topic);
}

.mb-topic-feature-card__body {
    padding: 1.1rem; display: flex; flex-direction: column; flex: 1;
}

.mb-topic-feature-card__tag {
    display: inline-flex; align-items: center; gap: .35rem;
    color: #8c6738; font-size: .82rem; font-weight: 800;
    letter-spacing: .06em; text-transform: uppercase; margin-bottom: .5rem;
}

.mb-topic-feature-card__title {
    font-family: var(--font-family-serif);
    color: #173868; font-size: 1.4rem; font-weight: 800; line-height: 1.25;
    margin-bottom: .5rem;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.mb-topic-feature-card__title a { color: inherit; text-decoration: none; }

.mb-topic-feature-card__summary {
    font-size: .9rem; color: #5e6f83; line-height: 1.75; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
}

/* ────────────────────────────────────────────────
   专题普通列表卡片  .mb-topic-list-card
   无图，纯文字，等高通过 flex 保证
   ──────────────────────────────────────────────── */
.mb-topic-list-card {
    display: flex; flex-direction: column; height: 100%;
    border: var(--card-border); border-radius: var(--card-radius);
    background: #fff; padding: 1rem;
    box-shadow: 0 4px 16px rgba(18,35,56,0.05);
    transition: transform .22s ease, box-shadow .22s ease;
}
.mb-topic-list-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(18,35,56,0.10);
}

.mb-topic-list-card__title {
    font-family: var(--font-family-serif);
    color: #173868; font-size: 1.3rem; font-weight: 800; line-height: 1.25;
    margin-bottom: .5rem;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
.mb-topic-list-card__title a { color: inherit; text-decoration: none; }

.mb-topic-list-card__summary {
    font-size: .88rem; color: #5e6f83; line-height: 1.75; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-topic-list-card__footer {
    margin-top: auto; padding-top: .75rem;
    display: flex; justify-content: space-between; align-items: center; gap: .8rem;
}

/* ── 徽章 ── */
.mb-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem; }

.mb-badge {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .38rem .7rem; border-radius: 999px;
    background: rgba(20,38,66,0.05); color: #3a516f;
    font-size: .8rem; font-weight: 700;
}
.mb-badge--gold { background: rgba(179,136,80,0.12); color: #8c6738; }

/* ────────────────────────────────────────────────
   作品卡片  .mb-work-card
   图片: 3:4 竖版（书/专辑封面风格）
   ──────────────────────────────────────────────── */
.mb-work-card {
    display: flex; flex-direction: column; height: 100%;
    border: var(--card-border); border-radius: var(--card-radius);
    overflow: hidden; background: #fff;
    box-shadow: 0 4px 16px rgba(18,35,56,0.06);
    transition: transform .22s ease, box-shadow .22s ease;
}
.mb-work-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(18,35,56,0.10);
}

.mb-work-card .mb-media--work {
    aspect-ratio: var(--ratio-work);
    background: var(--placeholder-topic);
}

.mb-work-card__body {
    padding: 1rem; display: flex; flex-direction: column; flex: 1;
}

.mb-work-card__type {
    display: inline-flex; align-items: center; gap: .35rem;
    color: #8c6738; font-size: .8rem; font-weight: 800;
    letter-spacing: .06em; text-transform: uppercase; margin-bottom: .45rem;
}

.mb-work-card__title {
    font-family: var(--font-family-serif);
    color: #173868; font-size: 1.15rem; font-weight: 800; line-height: 1.3;
    margin-bottom: .35rem;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-work-card__subtitle {
    font-size: .82rem; color: #7f898e; margin-bottom: .45rem;
    display: -webkit-box; -webkit-line-clamp: 1;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-work-card__desc {
    font-size: .86rem; color: #5e6f83; line-height: 1.7; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-work-card__footer {
    margin-top: auto; padding-top: .75rem;
    display: flex; justify-content: space-between; align-items: center; gap: .5rem;
}

.mb-work-card__year { font-size: .83rem; color: #7f898e; font-weight: 600; }

/* ────────────────────────────────────────────────
   相关名人卡片  .mb-related-card
   图片: 1:1 正方形
   ──────────────────────────────────────────────── */
.mb-related-card {
    display: flex; flex-direction: column; height: 100%;
    border: var(--card-border); border-radius: var(--card-radius);
    overflow: hidden; background: #fff;
    box-shadow: 0 4px 16px rgba(18,35,56,0.06);
    transition: transform .22s ease, box-shadow .22s ease;
}
.mb-related-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(18,35,56,0.10);
}

.mb-related-card .mb-media--square {
    aspect-ratio: var(--ratio-square);
    background: var(--placeholder-person);
}
.mb-related-card .mb-media--square img { object-position: center top; }

.mb-related-card__body {
    padding: 1rem; display: flex; flex-direction: column; flex: 1;
}

.mb-related-card__name {
    font-family: var(--font-family-serif);
    color: #173868; font-size: 1.15rem; font-weight: 800; line-height: 1.3;
    margin-bottom: .35rem;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}

.mb-related-card__bio {
    font-size: .86rem; color: #5e6f83; line-height: 1.7; flex: 1;
    display: -webkit-box; -webkit-line-clamp: 3;
    -webkit-box-orient: vertical; overflow: hidden;
}

/* ════════════════════════════════════════════════
   响应式
   ════════════════════════════════════════════════ */
@media (max-width: 767px) {
    .memorial-card-image-container { /* 移动端保持比例，不固定高度 */ }

    .mb-work-card__title        { font-size: 1rem; }
    .mb-related-card__name      { font-size: 1rem; }
    .mb-topic-feature-card__title,
    .mb-topic-list-card__title  { font-size: 1.15rem; }
    .mb-event-card__title       { font-size: 1rem; }
}