/* RAYVO 首页产品系列（Stage Effects / Lighting）——横向滑动卡片 */
.rv-catalog {
    --rv-c-blue: #156bea;
    --rv-c-ink: #0c1830;
    --rv-c-text: #4a5566;
    --rv-c-muted: #7a8494;
    --rv-c-line: rgba(15, 35, 70, .08);
    --rv-c-gap: 20px;
    padding: 36px 0 72px;
    background: #fff;
}
.rv-catalog-row--next {
    margin-top: 64px;
    padding-top: 56px;
    border-top: 1px solid var(--rv-c-line);
}

/* 标题行：左 标题 / 中 简介 / 右 链接 + 箭头 */
.rv-catalog-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 440px) auto;
    gap: 24px 48px;
    align-items: end;
    margin-bottom: 32px;
}
.rv-catalog-eyebrow {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--rv-c-muted);
}
.rv-catalog-heading h2 {
    position: relative;
    margin: 0;
    padding-bottom: 18px;
    font-size: 44px;
    font-weight: 600;
    line-height: 1.12;
    letter-spacing: -.02em;
    color: var(--rv-c-ink);
}
.rv-catalog-heading h2:after {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 56px;
    height: 4px;
    content: "";
    border-radius: 2px;
    background: var(--rv-c-blue);
}
.rv-catalog-intro {
    margin: 0 0 18px;
    font-size: 15px;
    line-height: 1.65;
    color: var(--rv-c-text);
}
.rv-catalog-tools {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 14px;
}
.rv-catalog-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--rv-c-blue);
    white-space: nowrap;
}
.rv-catalog-all svg { width: 18px; height: 18px; transition: transform .2s; }
.rv-catalog-all:hover { color: #0b4fb3; }
.rv-catalog-all:hover svg { transform: translateX(3px); }
.rv-catalog-arrows { display: flex; gap: 8px; }
.rv-catalog-arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid rgba(21, 107, 234, .3);
    border-radius: 50%;
    background: #fff;
    color: var(--rv-c-blue);
    cursor: pointer;
    transition: background-color .2s, color .2s, border-color .2s, opacity .2s;
}
.rv-catalog-arrow svg { width: 20px; height: 20px; }
.rv-catalog-arrow:hover:not(:disabled) { border-color: var(--rv-c-blue); background: var(--rv-c-blue); color: #fff; }
.rv-catalog-arrow:disabled { opacity: .35; cursor: default; }
.rv-catalog-row.is-static .rv-catalog-arrows,
.rv-catalog-row.is-static .rv-catalog-bar { display: none; }

/* 横向滑动轨道 */
.rv-catalog-track {
    display: grid;
    grid-auto-columns: calc((100% - var(--rv-c-gap) * 3) / 4);
    grid-auto-flow: column;
    column-gap: var(--rv-c-gap);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    padding: 4px 2px 18px;
    margin: -4px -2px 0;
    cursor: grab;
}
.rv-catalog-track::-webkit-scrollbar { display: none; }
.rv-catalog-track.is-dragging { cursor: grabbing; scroll-snap-type: none; scroll-behavior: auto; }
.rv-catalog-track.is-dragging .rv-catalog-card { pointer-events: none; }

/* 卡片 */
.rv-catalog-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    scroll-snap-align: start;
    border: 1px solid var(--rv-c-line);
    border-radius: 14px;
    background: #f7f8fa;
    color: inherit;
    text-decoration: none;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.rv-catalog-card:hover {
    transform: translateY(-4px);
    border-color: rgba(21, 107, 234, .25);
    box-shadow: 0 20px 40px -24px rgba(16, 52, 120, .35);
}
.rv-catalog-media {
    position: relative;
    display: block;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: linear-gradient(180deg, #f3f5f8 0%, #e9edf2 100%);
}
.rv-catalog-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 7% 12%;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: transform .4s;
    -webkit-user-drag: none;
}
.rv-catalog-card:hover .rv-catalog-media img { transform: scale(1.04); }
.rv-catalog-body {
    position: relative;
    display: block;
    flex: 1;
    min-height: 118px;
    padding: 20px 72px 22px 22px;
    background: #fff;
}
.rv-catalog-body b {
    display: block;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--rv-c-ink);
}
.rv-catalog-desc {
    display: -webkit-box;
    margin-top: 8px;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.55;
    color: var(--rv-c-text);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.rv-catalog-go {
    position: absolute;
    top: 20px;
    right: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--rv-c-blue);
    border-radius: 50%;
    color: var(--rv-c-blue);
    transition: background-color .2s, color .2s;
}
.rv-catalog-go svg { width: 18px; height: 18px; }
.rv-catalog-card:hover .rv-catalog-go { background: var(--rv-c-blue); color: #fff; }

/* 进度条（可点击跳转） */
.rv-catalog-bar {
    position: relative;
    height: 4px;
    margin-top: 10px;
    overflow: hidden;
    border-radius: 2px;
    background: rgba(15, 35, 70, .08);
    cursor: pointer;
}
.rv-catalog-bar span {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    border-radius: 2px;
    background: var(--rv-c-blue);
    transition: transform .15s linear;
}

/* 响应式 */
@media (max-width: 1199px) {
    .rv-catalog-head { grid-template-columns: minmax(0, 1fr) auto; }
    .rv-catalog-intro { grid-column: 1 / -1; grid-row: 2; margin: 0; max-width: 640px; }
    .rv-catalog-tools { grid-column: 2; grid-row: 1; }
    .rv-catalog-track { grid-auto-columns: calc((100% - var(--rv-c-gap) * 2) / 3); }
}
@media (max-width: 767px) {
    .rv-catalog { --rv-c-gap: 14px; padding: 56px 0 48px; }
    .rv-catalog-row--next { margin-top: 44px; padding-top: 40px; }
    .rv-catalog-head { grid-template-columns: 1fr; gap: 14px; margin-bottom: 22px; }
    .rv-catalog-heading h2 { font-size: 30px; padding-bottom: 14px; }
    .rv-catalog-tools { grid-column: 1; grid-row: 3; justify-content: space-between; margin: 0; }
    .rv-catalog-intro { grid-row: 2; font-size: 14px; }
    .rv-catalog-track { grid-auto-columns: 78%; cursor: auto; }
    .rv-catalog-body { min-height: 0; padding: 16px 62px 18px 18px; }
    .rv-catalog-body b { font-size: 18px; }
    .rv-catalog-go { top: 16px; right: 16px; width: 32px; height: 32px; }
}
@media (prefers-reduced-motion: reduce) {
    .rv-catalog-track { scroll-behavior: auto; }
    .rv-catalog *, .rv-catalog *:before, .rv-catalog *:after { transition: none !important; }
}

/* v3：左右箭头放在卡片两侧；卡片去掉灰色细边框 */
.rv-catalog-card { border: 0; background: #fff; }
.rv-catalog-card:hover { border-color: transparent; box-shadow: 0 22px 44px -26px rgba(16, 52, 120, .38); }
.rv-catalog-media { border-radius: 14px 14px 0 0; }
.rv-catalog-viewport { position: relative; }
.rv-catalog-viewport .rv-catalog-arrow {
    position: absolute;
    top: calc((100% - 18px) * .34);
    z-index: 3;
    width: 48px;
    height: 48px;
    border: 0;
    background: #fff;
    box-shadow: 0 10px 28px -10px rgba(16, 52, 120, .45);
    transform: translateY(-50%);
}
.rv-catalog-arrow--prev { left: -24px; }
.rv-catalog-arrow--next { right: -24px; }
.rv-catalog-viewport .rv-catalog-arrow:disabled { opacity: 0; pointer-events: none; }
.rv-catalog-row.is-static .rv-catalog-viewport .rv-catalog-arrow { display: none; }
@media (max-width: 1440px) {
    .rv-catalog-arrow--prev { left: -12px; }
    .rv-catalog-arrow--next { right: -12px; }
}
@media (max-width: 767px) {
    .rv-catalog-viewport .rv-catalog-arrow { display: none; }
}

/* v4：渐变毛玻璃质感 —— 背景光晕 + 半透明卡片 + 高光反光 */
.rv-catalog {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #f6f8fd 40%, #f4f6fc 100%);
}
.rv-catalog:before {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background:
        radial-gradient(34% 26% at 8% 18%, rgba(21, 107, 234, .14), transparent 70%),
        radial-gradient(30% 24% at 92% 30%, rgba(123, 97, 255, .12), transparent 70%),
        radial-gradient(34% 26% at 12% 74%, rgba(0, 190, 255, .10), transparent 70%),
        radial-gradient(30% 24% at 88% 86%, rgba(123, 97, 255, .10), transparent 70%);
    filter: blur(30px);
    pointer-events: none;
}
.rv-catalog-row--next { border-top-color: rgba(21, 107, 234, .10); }

.rv-catalog-card {
    position: relative;
    border: 0;
    background: linear-gradient(165deg, rgba(255, 255, 255, .92) 0%, rgba(246, 249, 255, .78) 55%, rgba(236, 242, 255, .7) 100%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    backdrop-filter: blur(18px) saturate(160%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, .95),
        inset 0 0 0 1px rgba(255, 255, 255, .6),
        0 14px 34px -24px rgba(16, 52, 120, .35);
}
/* 卡片顶部一道细高光 */
.rv-catalog-card:before {
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    z-index: 2;
    height: 1px;
    content: "";
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .95), transparent);
    pointer-events: none;
}
.rv-catalog-card:hover {
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 1),
        inset 0 0 0 1px rgba(255, 255, 255, .7),
        0 26px 50px -26px rgba(16, 52, 120, .45);
}

/* 产品图区：左上角光斑 + 浅蓝灰渐变底 */
.rv-catalog-media {
    background:
        radial-gradient(90% 70% at 18% 0%, rgba(255, 255, 255, .95) 0%, rgba(255, 255, 255, 0) 60%),
        radial-gradient(70% 60% at 100% 100%, rgba(123, 97, 255, .10) 0%, rgba(123, 97, 255, 0) 70%),
        linear-gradient(160deg, #f1f5fc 0%, #e6ecf6 55%, #dfe6f2 100%);
}
/* 斜向光泽：平时很淡，悬停时扫过 */
.rv-catalog-media:after {
    position: absolute;
    top: -20%;
    bottom: -20%;
    left: -60%;
    z-index: 2;
    width: 45%;
    content: "";
    background: linear-gradient(105deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .55) 50%, rgba(255, 255, 255, 0) 100%);
    transform: skewX(-18deg);
    opacity: .35;
    transition: left .9s ease, opacity .4s ease;
    pointer-events: none;
}
.rv-catalog-card:hover .rv-catalog-media:after { left: 120%; opacity: .8; }
.rv-catalog-media img { z-index: 1; }

/* 文字区：透明，透出卡片的渐变 */
.rv-catalog-body { background: transparent; }

/* 圆形箭头、进度条：蓝紫渐变 */
.rv-catalog-card:hover .rv-catalog-go {
    border-color: transparent;
    background: linear-gradient(135deg, #2f8bff, #6a5cff);
    color: #fff;
}
.rv-catalog-bar { background: rgba(21, 107, 234, .10); }
.rv-catalog-bar span { background: linear-gradient(90deg, #156bea, #6a5cff); }
.rv-catalog-viewport .rv-catalog-arrow {
    background: linear-gradient(160deg, rgba(255, 255, 255, .98), rgba(240, 245, 255, .9));
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: inset 0 1px 0 #fff, 0 10px 28px -10px rgba(16, 52, 120, .45);
}
.rv-catalog-viewport .rv-catalog-arrow:hover:not(:disabled) { background: linear-gradient(135deg, #2f8bff, #6a5cff); color: #fff; }
@media (prefers-reduced-motion: reduce) {
    .rv-catalog-media:after { display: none; }
}

/* v5：去掉标题下的蓝色短线、两行之间的灰色分隔线 */
.rv-catalog-heading h2 { padding-bottom: 0; }
.rv-catalog-heading h2:after { display: none; }
.rv-catalog-row--next { padding-top: 0; border-top: 0; }

/* v6：板块收窄、卡片接近方形；箭头改为卡片外侧的圆角矩形 */
.rv-catalog > .container {
    width: auto;
    max-width: 1760px;
    padding-right: 84px;
    padding-left: 84px;
}
.rv-catalog-media { aspect-ratio: 4 / 3; }
.rv-catalog-viewport .rv-catalog-arrow {
    top: calc((100% - 18px) / 2);
    width: 46px;
    height: 84px;
    border: 1px solid rgba(255, 255, 255, .9);
    border-radius: 14px;
}
.rv-catalog-viewport .rv-catalog-arrow svg { width: 22px; height: 22px; }
.rv-catalog-arrow--prev,
.rv-catalog-arrow--prev { left: -68px; }
.rv-catalog-arrow--next { right: -68px; }
@media (max-width: 1440px) {
    .rv-catalog-arrow--prev { left: -64px; }
    .rv-catalog-arrow--next { right: -64px; }
}
@media (max-width: 1199px) {
    .rv-catalog > .container { padding-right: 72px; padding-left: 72px; }
    .rv-catalog-arrow--prev { left: -60px; }
    .rv-catalog-arrow--next { right: -60px; }
}
@media (max-width: 767px) {
    .rv-catalog > .container { padding-right: 16px; padding-left: 16px; }
}

/* v5（2026-11-02，参考 futrblue）：背景改成纯浅灰，去掉光晕、毛玻璃和蓝紫渐变 */
.rv-catalog { background: #f4f5f8; }
.rv-catalog:before { display: none; }
.rv-catalog-card { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: none; }
.rv-catalog-card:before { display: none; }
.rv-catalog-card:hover { box-shadow: 0 18px 36px -24px rgba(17, 24, 39, .25); }
.rv-catalog-media { background: #eef0f3; }
.rv-catalog-media:after { display: none; }
.rv-catalog-card:hover .rv-catalog-go { border-color: transparent; background: #156bea; color: #fff; }
.rv-catalog-bar { background: rgba(17, 24, 39, .08); }
.rv-catalog-bar span { background: #156bea; }
.rv-catalog-viewport .rv-catalog-arrow { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: 0 8px 24px -12px rgba(17, 24, 39, .3); }
.rv-catalog-viewport .rv-catalog-arrow:hover:not(:disabled) { background: #156bea; color: #fff; }

/* 适用行业（Applications） */
.rv-apps { padding: 96px 0 104px; background: #f4f5f8; }
.rv-apps-inner { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.rv-apps h2 { margin: 0 0 14px; font-size: 44px; font-weight: 500; line-height: 1.2; letter-spacing: -.01em; text-align: center; color: #111827; }
.rv-apps-sub { max-width: 640px; margin: 0 auto 52px; font-size: 16px; line-height: 1.7; text-align: center; color: #6b7280; }
.rv-apps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 0; padding: 0; list-style: none; }
.rv-apps-card { margin: 0; padding: 10px 10px 22px; border-radius: 20px; background: #fff; transition: transform .25s, box-shadow .25s; }
.rv-apps-card:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -24px rgba(17, 24, 39, .25); }
.rv-apps-media { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 14px; color: #fff; background: #0d0b0a; }
.rv-apps-media:before { position: absolute; inset: 0; content: ""; background: radial-gradient(70% 80% at 50% 110%, var(--rv-apps-glow, rgba(255, 150, 70, .75)), transparent 70%), radial-gradient(60% 50% at 15% 0%, rgba(255, 255, 255, .08), transparent 70%); transition: transform .5s; }
.rv-apps-card:hover .rv-apps-media:before { transform: scale(1.08); }
.rv-apps-media svg { position: relative; width: 64px; height: 64px; opacity: .92; }
.rv-apps-media--concert { --rv-apps-glow: rgba(255, 150, 70, .75); }
.rv-apps-media--wedding { --rv-apps-glow: rgba(240, 190, 140, .7); }
.rv-apps-media--club { --rv-apps-glow: rgba(150, 110, 255, .7); }
.rv-apps-media--corporate { --rv-apps-glow: rgba(70, 140, 255, .7); }
.rv-apps-media--tv { --rv-apps-glow: rgba(255, 110, 120, .65); }
.rv-apps-media--sports { --rv-apps-glow: rgba(60, 200, 170, .6); }
.rv-apps-text { display: block; padding: 18px 12px 0; text-align: center; }
.rv-apps-text b { display: block; margin-bottom: 6px; font-size: 18px; font-weight: 600; line-height: 1.35; color: #111827; }
.rv-apps-text span { display: block; font-size: 14px; line-height: 1.6; color: #6b7280; }
@media (max-width: 991px) {
    .rv-apps { padding: 72px 0 80px; }
    .rv-apps h2 { font-size: 34px; }
    .rv-apps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
}
@media (max-width: 575px) {
    .rv-apps-inner { padding: 0 16px; }
    .rv-apps h2 { font-size: 28px; }
    .rv-apps-sub { margin-bottom: 32px; font-size: 15px; }
    .rv-apps-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .rv-apps-card, .rv-apps-media:before { transition: none; }
}
/* 适用行业：现场照片 */
.rv-apps-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.rv-apps-media.has-photo:before { display: none; }
.rv-apps-card:hover .rv-apps-media img { transform: scale(1.05); }