/* 魔兽世界编年史专题页样式 */

.bns-page {
    --bns-sidebar-w: 220px;
    --bns-gap: 24px;
    --bns-card-bg: rgba(44, 30, 30, 0.92);
    --bns-card-border: rgba(205, 220, 254, 0.12);
    position: relative;
    min-height: calc(100vh - 120px);
    padding: 20px 24px 60px;
    background:
        radial-gradient(ellipse at 12% 0%, rgba(120, 50, 200, 0.18) 0%, transparent 42%),
        radial-gradient(ellipse at 88% 100%, rgba(60, 25, 120, 0.22) 0%, transparent 45%),
        linear-gradient(180deg, #120a0a 0%, #1b0f0f 100%);
}

.bns-breadcrumb {
    max-width: var(--frame-center-width);
    margin: 0 auto 16px;
    color: var(--font-two-color);
    font-size: var(--font-size-small);
}

.bns-breadcrumb a {
    color: var(--font-one-color);
}

.bns-breadcrumb a:hover {
    color: var(--font-five-color);
}

.bns-layout {
    display: flex;
    gap: var(--bns-gap);
    max-width: var(--frame-center-width);
    margin: 0 auto;
    align-items: flex-start;
}

/* ----- 左侧版本目录 ----- */
.bns-sidebar {
    position: sticky;
    top: 72px;
    flex: 0 0 var(--bns-sidebar-w);
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    padding: 12px 0;
    background: var(--bns-card-bg);
    border: 1px solid var(--bns-card-border);
    border-radius: var(--div-border-radius-large);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    scrollbar-width: thin;
}

.bns-sidebar-title {
    padding: 8px 16px 12px;
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--font-four-color);
    border-bottom: 1px solid var(--bns-card-border);
    margin-bottom: 8px;
}

.bns-nav-item {
    display: block;
    padding: 10px 16px;
    color: var(--font-two-color);
    font-size: var(--font-size-normal);
    border-left: 3px solid transparent;
    transition: all 0.25s ease;
    cursor: pointer;
    text-decoration: none;
}

.bns-nav-item:hover {
    color: var(--font-main-color);
    background: rgba(255, 255, 255, 0.04);
}

.bns-nav-item.active {
    color: var(--font-main-color);
    background: rgba(255, 255, 255, 0.06);
    border-left-color: var(--bns-accent, var(--font-five-color));
}

.bns-nav-item .bns-nav-ver {
    display: block;
    font-size: 11px;
    opacity: 0.55;
    margin-top: 2px;
}

/* ----- 右侧内容区 ----- */
.bns-main {
    flex: 1;
    min-width: 0;
}

.bns-version-panel {
    display: none;
    animation: bns-fade-in 0.45s ease;
}

.bns-version-panel.active {
    display: block;
}

@keyframes bns-fade-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bns-hero {
    position: relative;
    padding: 28px 32px;
    margin-bottom: 24px;
    background: var(--bns-card-bg);
    border: 1px solid var(--bns-card-border);
    border-radius: var(--div-border-radius-large);
    overflow: hidden;
}

.bns-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--bns-accent, #e5cc80), transparent);
}

.bns-hero h1 {
    font-size: 32px;
    color: var(--font-four-color);
    margin-bottom: 6px;
}

.bns-hero h1 span {
    font-size: 16px;
    color: var(--font-two-color);
    font-weight: 400;
    margin-left: 10px;
}

.bns-hero-dates {
    color: var(--font-five-color);
    font-size: var(--font-size-normal);
    margin-bottom: 8px;
}

.bns-hero-note {
    color: var(--font-two-color);
    font-size: var(--font-size-small);
    margin-bottom: 16px;
    font-style: italic;
}

.bns-hero-story {
    color: var(--font-news-color);
    line-height: 1.85;
    font-size: var(--font-size-normal);
}

/* NPC 条 */
.bns-npc-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.bns-npc-chip {
    flex: 1 1 200px;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--bns-card-border);
    border-radius: var(--div-border-radius-normal);
    transition: transform 0.2s, border-color 0.2s;
}

.bns-npc-chip:hover {
    transform: translateY(-2px);
    border-color: var(--bns-accent, var(--font-five-color));
}

.bns-npc-chip a {
    color: var(--font-one-color);
    font-weight: 600;
}

.bns-npc-chip .bns-npc-title {
    color: var(--font-three-color);
    font-size: var(--font-size-small);
    margin: 4px 0;
}

.bns-npc-chip p {
    color: var(--font-two-color);
    font-size: var(--font-size-small);
    line-height: 1.5;
}

/* 通用区块 */
.bns-section {
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.bns-section.bns-visible {
    opacity: 1;
    transform: translateY(0);
}

.bns-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-size-biglarge);
    color: var(--font-four-color);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--bns-card-border);
}

.bns-section-title::before {
    content: "";
    width: 4px;
    height: 20px;
    background: var(--bns-accent, var(--font-five-color));
    border-radius: 2px;
}

/* 首杀表格 */
.bns-kill-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bns-card-bg);
    border: 1px solid var(--bns-card-border);
    border-radius: var(--div-border-radius-normal);
    overflow: hidden;
}

.bns-kill-table th,
.bns-kill-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--bns-card-border);
    font-size: var(--font-size-small);
}

.bns-kill-table th {
    background: rgba(0, 0, 0, 0.3);
    color: var(--font-one-color);
    font-weight: 600;
}

.bns-kill-table td {
    color: var(--font-two-color);
}

.bns-kill-table tr:last-child td {
    border-bottom: none;
}

.bns-kill-table tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* 卡片网格 */
.bns-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.bns-card {
    display: flex;
    flex-direction: column;
    background: var(--bns-card-bg);
    border: 1px solid var(--bns-card-border);
    border-radius: var(--div-border-radius-normal);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s;
    text-decoration: none;
    color: inherit;
}

.bns-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
    border-color: var(--bns-accent, var(--font-five-color));
}

.bns-card-img {
    position: relative;
    height: 110px;
    background: linear-gradient(135deg, rgba(30, 20, 20, 0.9), rgba(50, 35, 35, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.bns-card-img img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
    transition: transform 0.3s ease;
}

.bns-card:hover .bns-card-img img {
    transform: scale(1.1);
}

.bns-card-body {
    padding: 12px 14px;
    flex: 1;
}

.bns-card-body h4 {
    color: var(--font-one-color);
    font-size: var(--font-size-normal);
    margin-bottom: 6px;
    line-height: 1.35;
}

.bns-card-body p {
    color: var(--font-two-color);
    font-size: var(--font-size-small);
    line-height: 1.45;
}

.bns-card-tag {
    display: inline-block;
    margin-top: 6px;
    padding: 2px 8px;
    font-size: 11px;
    border-radius: 10px;
    background: rgba(229, 204, 128, 0.15);
    color: var(--font-four-color);
}

/* CG 视频卡片 */
.bns-cg-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.bns-cg-card {
    position: relative;
    border-radius: var(--div-border-radius-normal);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--bns-card-border);
    background: var(--bns-card-bg);
    transition: transform 0.25s, box-shadow 0.25s;
}

.bns-cg-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}

.bns-cg-card img {
    width: 100%;
    height: 148px;
    object-fit: cover;
    display: block;
}

.bns-cg-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    background: rgba(0, 0, 0, 0.65);
    border: 2px solid rgba(255, 255, 255, 0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}

.bns-cg-play::after {
    content: "";
    border: 10px solid transparent;
    border-left: 16px solid #fff;
    margin-left: 5px;
}

.bns-cg-card:hover .bns-cg-play {
    background: rgba(229, 204, 128, 0.85);
    transform: translate(-50%, -50%) scale(1.08);
}

.bns-cg-title {
    padding: 10px 14px;
    color: var(--font-one-color);
    font-size: var(--font-size-normal);
}

/* 视频弹窗 */
.bns-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.88);
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.bns-modal.open {
    display: flex;
    animation: bns-fade-in 0.3s ease;
}

.bns-modal-inner {
    position: relative;
    width: 100%;
    max-width: 960px;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: var(--div-border-radius-large);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

.bns-modal-inner iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.bns-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    transition: background 0.2s;
}

.bns-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* 坐骑稀有度色 */
.bns-rarity-legendary { color: #ff8000 !important; }
.bns-rarity-epic { color: #a335ee !important; }
.bns-rarity-rare { color: #0070dd !important; }
.bns-rarity-uncommon { color: #1eff00 !important; }

/* 响应式 */
@media (max-width: 1024px) {
    .bns-layout {
        flex-direction: column;
    }

    .bns-sidebar {
        position: relative;
        top: 0;
        flex: none;
        width: 100%;
        max-height: none;
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        padding: 12px;
    }

    .bns-sidebar-title {
        width: 100%;
    }

    .bns-nav-item {
        flex: 1 1 auto;
        padding: 8px 12px;
        border-left: none;
        border-bottom: 2px solid transparent;
        text-align: center;
    }

    .bns-nav-item.active {
        border-left: none;
        border-bottom-color: var(--bns-accent, var(--font-five-color));
    }
}

@media (max-width: 768px) {
    .bns-page {
        padding: 12px 12px 40px;
    }

    .bns-hero {
        padding: 20px 18px;
    }

    .bns-hero h1 {
        font-size: 24px;
    }

    .bns-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    .bns-version-panel,
    .bns-section,
    .bns-card,
    .bns-cg-card,
    .bns-npc-chip {
        animation: none !important;
        transition: none !important;
    }
}