/* ===== 视频中心（synopsys 风格，主内容区与 result 页 content-center 容器一致） ===== */
.video-portal { padding: 4px 2px 30px; }

.vp-head { margin: 6px 0 18px; }
.vp-title { font-size: 26px; font-weight: 700; color: #1b2330; margin: 0 0 4px; letter-spacing: .5px; }
.vp-sub { margin: 0; color: #6b7480; font-size: 14px; }

/* 精选大卡 */
.vp-hero {
    display: block; text-decoration: none; color: inherit;
    border-radius: 14px; overflow: hidden; background: #0f1622;
    box-shadow: 0 8px 26px rgba(20,30,50,.14); margin-bottom: 22px;
}
.vp-hero-media {
    position: relative; aspect-ratio: 16 / 7; background: #0f1622 center/cover no-repeat;
    display: flex; align-items: center; justify-content: center;
}
.vp-hero-media.no-thumb { background: linear-gradient(135deg,#16324f 0%,#0f1622 60%,#241a2e 100%); }
.vp-hero-body { padding: 16px 20px 20px; background: #fff; }
.vp-tag, .vp-card-tag {
    display: inline-block; font-size: 12px; color: #0b6cff; background: #eaf2ff;
    border-radius: 20px; padding: 2px 10px; margin-bottom: 8px; font-weight: 600;
}
.vp-hero-title { font-size: 20px; font-weight: 700; color: #1b2330; margin: 0 0 6px; }
.vp-hero-desc { margin: 0; color: #6b7480; font-size: 14px; line-height: 1.6; }

/* 栏目条 */
.vp-cat-bar { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 20px; }
.vp-chip {
    text-decoration: none; font-size: 14px; color: #46505e; background: #f2f5f9;
    border: 1px solid #e3e9f1; border-radius: 22px; padding: 7px 16px; transition: all .15s;
}
.vp-chip:hover { color: #fff; background: #0b6cff; border-color: #0b6cff; }

/* 卡片网格 */
.vp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.vp-card { text-decoration: none; color: inherit; background: #fff; border-radius: 12px; overflow: hidden;
    box-shadow: 0 4px 14px rgba(20,30,50,.08); transition: transform .18s, box-shadow .18s; }
.vp-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(20,30,50,.16); }
.vp-card-media {
    position: relative; aspect-ratio: 16 / 9; background: #0f1622 center/cover no-repeat;
}
.vp-card-media.no-thumb { background: linear-gradient(135deg,#1d3a5c 0%,#0f1622 55%,#2a1d34 100%); }
.vp-card-body { padding: 12px 14px 14px; }
.vp-card-title { font-size: 15px; font-weight: 600; color: #232b38; margin: 0; line-height: 1.45;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.vp-card-tag { margin: 8px 0 0; }

/* 播放按钮：绝对居中 + 半透明 */
.vp-play {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 64px; height: 64px; border-radius: 50%;
    background: rgba(255,255,255,.16); border: 2px solid rgba(255,255,255,.85);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(0,0,0,.3); transition: transform .15s; backdrop-filter: blur(2px);
}
.vp-card-media:hover .vp-play, .vp-hero-media:hover .vp-play { transform: translate(-50%, -50%) scale(1.08); }
.vp-play::after {
    content: ""; width: 0; height: 0; margin-left: 5px;
    border-left: 20px solid #fff; border-top: 12px solid transparent; border-bottom: 12px solid transparent;
}
.vp-play-sm { width: 46px; height: 46px; }
.vp-play-sm::after { border-left-width: 14px; border-top-width: 9px; border-bottom-width: 9px; margin-left: 3px; }

/* 时长角标 */
.vp-dur {
    position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,.72); color: #fff;
    font-size: 12px; padding: 2px 7px; border-radius: 4px; font-weight: 600;
}
.vp-hero-media .vp-dur { right: 14px; bottom: 14px; }

/* 二级页 / 播放页复用部分 */
.vp-section-title { font-size: 18px; font-weight: 700; color: #1b2330; margin: 26px 0 14px; }
.vp-back { display: inline-block; margin: 2px 0 10px; color: #0b6cff; text-decoration: none; font-size: 14px; }
.vp-back:hover { text-decoration: underline; }

/* 播放页 */
.vp-player { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 12px; overflow: hidden; }
.vp-player video, .vp-player iframe { width: 100%; height: 100%; border: 0; display: block; }

/* 无播放权限：遮罩提示 */
.vp-locked {
    width: 100%; height: 100%; box-sizing: border-box;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    background: linear-gradient(135deg,#16324f 0%,#0f1622 60%,#241a2e 100%); color: #cdd6e2;
    text-align: center; padding: 20px;
}
.vp-locked-ico {
    width: 56px; height: 56px; border-radius: 50%; border: 2px solid rgba(255,255,255,.5);
    position: relative; margin-bottom: 14px;
}
.vp-locked-ico::after {
    content: ""; position: absolute; top: 50%; left: 54%; transform: translate(-50%,-50%);
    border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent rgba(255,255,255,.75);
}
.vp-locked-text { margin: 0; font-size: 15px; letter-spacing: .5px; }
.vp-locked-btn {
    display: inline-block; margin-top: 16px; padding: 9px 22px; border-radius: 20px;
    background: #0b6cff; color: #fff; font-size: 14px; text-decoration: none;
    box-shadow: 0 4px 14px rgba(11,108,255,.35); transition: transform .15s, background .15s;
}
.vp-locked-btn:hover { transform: translateY(-1px); background: #095ad6; }
.vp-detail-title { font-size: 22px; font-weight: 700; color: #1b2330; margin: 16px 0 8px; }
.vp-detail-desc { color: #5a6472; font-size: 15px; line-height: 1.75; }
.vp-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 8px; }

@media (max-width: 640px) {
    .vp-title { font-size: 22px; }
    .vp-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
    .vp-hero-media { aspect-ratio: 16 / 9; }
}