/* ============================================
   美特邦 视频中心页（list_video.html）专属样式
   前缀 .mtb-vd-*，与其他页面样式完全隔离
   通用内页Banner / 面包屑 / 按钮样式在 common.css
   ============================================ */

.mtb-pg-video { color: var(--mtb-text); }

/* ---------- 精选视频 ---------- */
.mtb-vd-hero {
    display: grid; grid-template-columns: 1.35fr 1fr; gap: 36px; align-items: stretch;
}
.mtb-vd-hero__media {
    position: relative; display: block; border-radius: 14px; overflow: hidden;
    aspect-ratio: 16 / 9; background: var(--mtb-primary-dark);
    cursor: pointer; box-shadow: var(--mtb-shadow-lg);
}
.mtb-vd-hero__media img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .6s ease;
}
.mtb-vd-hero__media::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,20,45,.08) 40%, rgba(0,20,45,.55) 100%);
    transition: opacity .4s;
}
.mtb-vd-hero__media:hover img { transform: scale(1.05); }
.mtb-vd-hero__badge {
    position: absolute; left: 18px; top: 18px; z-index: 2;
    display: inline-flex; align-items: center; gap: 7px;
    padding: 7px 16px; border-radius: 50px;
    font-size: 13px; font-weight: 700; letter-spacing: 1px; color: #fff;
    background: linear-gradient(135deg, var(--mtb-accent), var(--mtb-accent-2));
    box-shadow: 0 6px 18px rgba(255,107,0,.35);
}
.mtb-vd-hero__play {
    position: absolute; left: 50%; top: 50%; z-index: 2;
    transform: translate(-50%, -50%);
    width: 86px; height: 86px; border-radius: 50%;
    background: rgba(255,255,255,.95); color: var(--mtb-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; padding-left: 6px;
    box-shadow: 0 14px 40px rgba(0,20,45,.35);
    transition: var(--mtb-transition);
}
.mtb-vd-hero__play::after {
    content: ""; position: absolute; inset: -10px; border-radius: 50%;
    border: 2px solid rgba(255,255,255,.55);
    animation: mtbVdPulse 2.2s ease-out infinite;
}
@keyframes mtbVdPulse {
    0% { transform: scale(.82); opacity: .9; }
    100% { transform: scale(1.28); opacity: 0; }
}
.mtb-vd-hero__media:hover .mtb-vd-hero__play {
    background: var(--mtb-accent); color: #fff; transform: translate(-50%, -50%) scale(1.08);
}
.mtb-vd-hero__duration {
    position: absolute; right: 18px; bottom: 18px; z-index: 2;
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 6px;
    font-size: 13px; font-weight: 700; color: #fff;
    background: rgba(0,20,45,.72); backdrop-filter: blur(4px);
}
.mtb-vd-hero__info {
    display: flex; flex-direction: column; justify-content: center;
    background: #fff; border: 1px solid var(--mtb-border); border-radius: 14px;
    padding: 40px 38px; position: relative; overflow: hidden;
}
.mtb-vd-hero__info::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
    background: linear-gradient(180deg, var(--mtb-accent), var(--mtb-accent-2));
}
.mtb-vd-hero__label {
    font-size: 12.5px; font-weight: 700; letter-spacing: 3px;
    color: var(--mtb-accent); text-transform: uppercase; margin-bottom: 12px;
}
.mtb-vd-hero__title {
    font-size: 27px; font-weight: 900; color: var(--mtb-primary-dark);
    line-height: 1.4; margin-bottom: 14px;
}
.mtb-vd-hero__desc {
    font-size: 14.5px; line-height: 1.95; color: var(--mtb-gray);
    margin-bottom: 20px;
}
.mtb-vd-hero__meta {
    display: flex; flex-wrap: wrap; gap: 10px 26px; margin-bottom: 26px;
    padding: 16px 0; border-top: 1px dashed var(--mtb-border); border-bottom: 1px dashed var(--mtb-border);
}
.mtb-vd-hero__meta li {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13.5px; color: #5a6578; font-weight: 600;
}
.mtb-vd-hero__meta li i { color: var(--mtb-accent); }
.mtb-vd-hero__btns { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.mtb-vd-hero__more {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14.5px; font-weight: 700; color: var(--mtb-primary);
}
.mtb-vd-hero__more i { transition: transform .3s; }
.mtb-vd-hero__more:hover { color: var(--mtb-accent); }
.mtb-vd-hero__more:hover i { transform: translateX(4px); }

/* ---------- 数据速览 ---------- */
.mtb-vd-stats {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
    margin-top: 34px;
}
.mtb-vd-stat {
    display: flex; align-items: center; gap: 16px;
    background: #fff; border: 1px solid var(--mtb-border); border-radius: 12px;
    padding: 24px 26px; transition: var(--mtb-transition);
}
.mtb-vd-stat:hover {
    transform: translateY(-5px); box-shadow: var(--mtb-shadow); border-color: transparent;
}
.mtb-vd-stat > i {
    width: 56px; height: 56px; flex: 0 0 56px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 24px; color: #fff;
    background: linear-gradient(135deg, var(--mtb-primary), var(--mtb-primary-2));
    box-shadow: 0 8px 20px rgba(0,58,120,.25);
}
.mtb-vd-stat b {
    display: block; font-size: 28px; font-weight: 900; line-height: 1.2;
    color: var(--mtb-primary-dark); font-family: Arial, sans-serif;
}
.mtb-vd-stat b::after { content: attr(data-suffix); color: var(--mtb-accent); margin-left: 1px; }
.mtb-vd-stat span { font-size: 13px; color: var(--mtb-gray); }

/* ---------- 分类筛选 ---------- */
.mtb-vd-tabs {
    display: flex; flex-wrap: wrap; gap: 14px;
    margin: 46px 0 32px;
}
.mtb-vd-tab {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: 50px; cursor: pointer;
    font-size: 14.5px; font-weight: 700; color: #46506a;
    background: #fff; border: 1px solid var(--mtb-border);
    transition: var(--mtb-transition);
}
.mtb-vd-tab i { color: var(--mtb-accent); transition: var(--mtb-transition); }
.mtb-vd-tab:hover { border-color: var(--mtb-primary); color: var(--mtb-primary); transform: translateY(-2px); }
.mtb-vd-tab--active, .mtb-vd-tab--active:hover {
    color: #fff; border-color: transparent;
    background: linear-gradient(135deg, var(--mtb-primary), var(--mtb-primary-2));
    box-shadow: 0 8px 22px rgba(0,58,120,.28);
}

/* ---------- 视频网格 ---------- */
.mtb-vd-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.mtb-vd-card {
    display: flex; flex-direction: column;
    background: #fff; border: 1px solid var(--mtb-border); border-radius: 12px;
    overflow: hidden; transition: var(--mtb-transition); cursor: pointer;
}
.mtb-vd-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--mtb-shadow-lg); border-color: transparent;
}
.mtb-vd-card--hidden { display: none; }
.mtb-vd-card__media {
    position: relative; overflow: hidden; aspect-ratio: 16 / 9;
    background: var(--mtb-primary-dark);
}
.mtb-vd-card__media img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform .55s ease;
}
.mtb-vd-card__media::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,20,45,.05) 55%, rgba(0,20,45,.5) 100%);
}
.mtb-vd-card:hover .mtb-vd-card__media img { transform: scale(1.07); }
.mtb-vd-card__play {
    position: absolute; left: 50%; top: 50%; z-index: 2;
    transform: translate(-50%, -50%) scale(.86); opacity: 0;
    width: 58px; height: 58px; border-radius: 50%;
    background: rgba(255,143,31,.95); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; padding-left: 4px;
    box-shadow: 0 10px 28px rgba(0,20,45,.4);
    transition: var(--mtb-transition);
}
.mtb-vd-card:hover .mtb-vd-card__play { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.mtb-vd-card__duration {
    position: absolute; right: 12px; bottom: 12px; z-index: 2;
    padding: 4px 11px; border-radius: 5px;
    font-size: 12px; font-weight: 700; color: #fff;
    background: rgba(0,20,45,.72); font-family: Arial, sans-serif;
}
.mtb-vd-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.mtb-vd-card__tag {
    align-self: flex-start; display: inline-flex; align-items: center;
    padding: 4px 12px; border-radius: 4px;
    font-size: 12px; font-weight: 700; letter-spacing: 1px; color: #fff;
    margin-bottom: 12px;
}
.mtb-vd-card__tag--product { background: linear-gradient(135deg, var(--mtb-accent), var(--mtb-accent-2)); }
.mtb-vd-card__tag--factory { background: linear-gradient(135deg, var(--mtb-primary), #0a5aa8); }
.mtb-vd-card__tag--case { background: linear-gradient(135deg, #0a8f6a, #0b6b4f); }
.mtb-vd-card__tag--company { background: linear-gradient(135deg, #c8932f, #a87418); }
.mtb-vd-card__title {
    font-size: 16.5px; font-weight: 800; color: var(--mtb-primary-dark);
    line-height: 1.55; margin-bottom: 14px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    transition: color .3s;
}
.mtb-vd-card:hover .mtb-vd-card__title { color: var(--mtb-primary); }
.mtb-vd-card__meta {
    margin-top: auto; display: flex; align-items: center; gap: 20px;
    padding-top: 13px; border-top: 1px dashed var(--mtb-border);
    font-size: 12.5px; color: var(--mtb-gray);
}
.mtb-vd-card__meta span { display: inline-flex; align-items: center; gap: 6px; }
.mtb-vd-card__meta i { color: var(--mtb-accent); font-size: 12px; }

/* ---------- 空状态 ---------- */
.mtb-vd-empty {
    display: none; grid-column: 1 / -1; text-align: center;
    padding: 80px 20px; color: var(--mtb-gray);
}
.mtb-vd-empty--show { display: block; }
.mtb-vd-empty i { font-size: 46px; color: #c9d4e2; margin-bottom: 16px; }
.mtb-vd-empty p { font-size: 15px; }

/* ---------- 分页 ---------- */
.mtb-vd-pager {
    display: none; justify-content: center; align-items: center;
    gap: 10px; margin-top: 50px;
}
.mtb-vd-pager--show { display: flex; }
/* CMS 分页（{$pages} 输出 ul.pagination） */
.mtb-vd-pager ul.pagination {
    display: flex; flex-wrap: wrap; align-items: center;
    gap: 10px; list-style: none; padding: 0; margin: 0;
}
.mtb-vd-pager ul.pagination li { display: inline-flex; }
.mtb-vd-pager ul.pagination li a {
    min-width: 44px; height: 44px; padding: 0 14px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 6px; cursor: pointer;
    font-size: 15px; font-weight: 700; color: var(--mtb-text);
    background: #fff; border: 1px solid var(--mtb-border);
    transition: var(--mtb-transition);
}
.mtb-vd-pager ul.pagination li a:hover {
    color: var(--mtb-primary); border-color: var(--mtb-primary);
    transform: translateY(-2px);
}
.mtb-vd-pager ul.pagination li.active a {
    color: #fff; border-color: transparent;
    background: linear-gradient(135deg, var(--mtb-primary), var(--mtb-primary-2));
}
.mtb-vd-page {
    min-width: 44px; height: 44px; padding: 0 14px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50px; cursor: pointer; user-select: none;
    font-size: 14.5px; font-weight: 700; color: #46506a;
    background: #fff; border: 1px solid var(--mtb-border);
    transition: var(--mtb-transition);
}
.mtb-vd-page:hover { border-color: var(--mtb-primary); color: var(--mtb-primary); }
.mtb-vd-page--active, .mtb-vd-page--active:hover {
    color: #fff; border-color: transparent;
    background: linear-gradient(135deg, var(--mtb-primary), var(--mtb-primary-2));
    box-shadow: 0 8px 20px rgba(0,58,120,.28);
}
.mtb-vd-page--disabled, .mtb-vd-page--disabled:hover {
    color: #c2ccd9; border-color: var(--mtb-border); cursor: not-allowed;
    background: var(--mtb-bg); box-shadow: none;
}

/* ---------- 底部 CTA ---------- */
.mtb-vd-cta { position: relative; overflow: hidden; }
.mtb-vd-cta__bg {
    position: absolute; inset: 0;
    background-repeat: no-repeat; background-position: center; background-size: cover;
}
.mtb-vd-cta__mask {
    position: absolute; inset: 0;
    background: linear-gradient(120deg, rgba(0,28,62,.93) 0%, rgba(0,58,120,.82) 60%, rgba(1,42,87,.75) 100%);
}
.mtb-vd-cta__inner {
    position: relative; z-index: 2; text-align: center; padding: 88px 24px;
}
.mtb-vd-cta__label {
    display: inline-block; font-size: 13px; font-weight: 700;
    letter-spacing: 5px; color: var(--mtb-accent); text-transform: uppercase;
    margin-bottom: 14px;
}
.mtb-vd-cta__inner h2 {
    font-size: 34px; font-weight: 900; color: #fff; letter-spacing: 2px; margin-bottom: 14px;
}
.mtb-vd-cta__inner p {
    font-size: 15px; color: rgba(255,255,255,.85); max-width: 620px; margin: 0 auto 32px; line-height: 1.9;
}
.mtb-vd-cta__btns { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ---------- 播放弹窗 ---------- */
.mtb-vd-modal {
    position: fixed; inset: 0; z-index: 3000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all .35s ease;
}
.mtb-vd-modal--show { opacity: 1; visibility: visible; }
.mtb-vd-modal__mask {
    position: absolute; inset: 0;
    background: rgba(0,15,35,.9); backdrop-filter: blur(6px);
}
.mtb-vd-modal__box {
    position: relative; z-index: 2; width: 92%; max-width: 920px;
    background: #07162e; border-radius: 14px; overflow: hidden;
    box-shadow: 0 30px 90px rgba(0,0,0,.5);
    transform: translateY(26px) scale(.97); transition: transform .35s ease;
}
.mtb-vd-modal--show .mtb-vd-modal__box { transform: translateY(0) scale(1); }
.mtb-vd-modal__close {
    position: absolute; right: 14px; top: 14px; z-index: 5;
    width: 42px; height: 42px; border-radius: 50%;
    background: rgba(255,255,255,.14); color: #fff; font-size: 17px;
    cursor: pointer; transition: var(--mtb-transition);
    display: flex; align-items: center; justify-content: center;
}
.mtb-vd-modal__close:hover { background: var(--mtb-accent); transform: rotate(90deg); }
.mtb-vd-modal__player {
    position: relative; aspect-ratio: 16 / 9; background: #000;
}
.mtb-vd-modal__player video {
    width: 100%; height: 100%; display: block; background: #000;
}
.mtb-vd-modal__pending {
    position: absolute; inset: 0; z-index: 2;
    display: flex; align-items: center; justify-content: center;
}
.mtb-vd-modal__pending img {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; opacity: .45;
}
.mtb-vd-modal__pending-tip {
    position: relative; z-index: 2; text-align: center; color: #fff;
}
.mtb-vd-modal__pending-tip i { display: block; font-size: 52px; color: var(--mtb-accent); margin-bottom: 14px; }
.mtb-vd-modal__pending-tip span { font-size: 15px; letter-spacing: 2px; }
.mtb-vd-modal__pending--hide { display: none; }
.mtb-vd-modal__info { padding: 20px 26px 24px; }
.mtb-vd-modal__info h3 { font-size: 19px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.mtb-vd-modal__meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13px; color: rgba(255,255,255,.6); }
.mtb-vd-modal__meta span { display: inline-flex; align-items: center; gap: 6px; }
.mtb-vd-modal__meta i { color: var(--mtb-accent); }

/* ---------- 入场动画（JS 加 .mtb-vd-ready 后启用，无JS时正常显示） ---------- */
.mtb-pg-video.mtb-vd-ready .mtb-vd-card {
    opacity: 0; transform: translateY(30px);
    transition: opacity .55s ease, transform .55s ease;
}
.mtb-pg-video.mtb-vd-ready .mtb-vd-card--in { opacity: 1; transform: none; }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1100px) {
    .mtb-vd-hero { grid-template-columns: 1fr 1fr; gap: 26px; }
    .mtb-vd-hero__info { padding: 30px 26px; }
    .mtb-vd-hero__title { font-size: 23px; }
    .mtb-vd-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
}
@media (max-width: 992px) {
    .mtb-vd-hero { grid-template-columns: 1fr; }
    .mtb-vd-hero__media { aspect-ratio: 16 / 9; }
    .mtb-vd-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .mtb-vd-tabs {
        flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px;
        -webkit-overflow-scrolling: touch;
    }
    .mtb-vd-tab { flex: 0 0 auto; white-space: nowrap; }
    .mtb-vd-tabs::-webkit-scrollbar { height: 4px; }
    .mtb-vd-tabs::-webkit-scrollbar-thumb { background: var(--mtb-border); border-radius: 2px; }
}
@media (max-width: 640px) {
    .mtb-vd-grid { grid-template-columns: 1fr; }
    .mtb-vd-stats { grid-template-columns: repeat(2, 1fr); }
    .mtb-vd-stat { padding: 18px; gap: 12px; }
    .mtb-vd-stat > i { width: 46px; height: 46px; flex-basis: 46px; font-size: 20px; border-radius: 11px; }
    .mtb-vd-stat b { font-size: 22px; }
    .mtb-vd-hero__play { width: 64px; height: 64px; font-size: 20px; }
    .mtb-vd-hero__info { padding: 26px 20px; }
    .mtb-vd-hero__title { font-size: 20px; }
    .mtb-vd-cta__inner { padding: 60px 16px; }
    .mtb-vd-cta__inner h2 { font-size: 24px; }
    .mtb-vd-cta__btns .mtb-btn { width: 100%; justify-content: center; }
    .mtb-vd-modal__box { width: 94%; }
    .mtb-vd-modal__info { padding: 16px 18px 20px; }
    .mtb-vd-pager { gap: 8px; margin-top: 38px; }
    .mtb-vd-page { min-width: 40px; height: 40px; padding: 0 12px; }
}