.hero-section {
    position: relative;
    width: 100%;
    height: 600px;
    margin-top: 72px;
    overflow: hidden;
    background: #1a1a1a;
}

.hero-swiper {
    width: 100%;
    height: 100%;
}

.hero-swiper .swiper-slide {
    position: relative;
}

.hero-slide-link {
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
}

.hero-tagline {
    font-size: 15px;
    letter-spacing: 3px;
    opacity: 0.92;
}

.hero-fallback {
    width: 100%;
    height: 100%;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 30% 20%, rgba(166, 124, 50, 0.35), transparent 55%),
        radial-gradient(ellipse at 70% 80%, rgba(30, 61, 47, 0.5), transparent 50%),
        linear-gradient(145deg, #14261c 0%, #1e3d2f 40%, #2a2418 100%);
}

.hero-fallback-inner {
    text-align: center;
    padding: 40px 24px;
    color: #fff;
}

.hero-fallback-inner h1 {
    font-size: clamp(26px, 4vw, 42px);
    font-weight: 600;
    letter-spacing: 6px;
    margin-bottom: 16px;
}

.hero-fallback-inner p {
    font-size: 16px;
    letter-spacing: 4px;
    opacity: 0.88;
}

.hero-swiper .swiper-slide img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 60%, transparent 100%);
    pointer-events: none;
}

.hero-overlay .container {
    color: #fff;
}

.hero-overlay h2 {
    font-size: 36px;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-overlay p {
    font-size: 16px;
    opacity: 0.9;
    letter-spacing: 2px;
    text-shadow: 0 1px 5px rgba(0,0,0,0.3);
}

.hero-swiper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: #fff;
    opacity: 0.5;
}

.hero-swiper .swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--gold);
}

.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s;
}

.hero-section:hover .swiper-button-prev,
.hero-section:hover .swiper-button-next {
    opacity: 0.8;
}

/* ========== 公司介绍区域 ========== */
.intro-section {
    padding: clamp(56px, 10vw, 96px) 0;
    background: linear-gradient(180deg, #fff 0%, #faf8f4 100%);
}

.intro-wrapper {
    display: flex;
    align-items: stretch;
    gap: clamp(32px, 6vw, 88px);
    max-width: 1120px;
    margin: 0 auto;
}

.intro-image {
    flex: 0 0 clamp(260px, 34vw, 400px);
    min-height: 280px;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.intro-visual {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse 80% 60% at 50% 30%, rgba(196, 163, 90, 0.18), transparent 70%),
        linear-gradient(165deg, #f7f4ec 0%, #e8e2d5 48%, #f2efe6 100%);
}

.intro-svg {
    width: min(200px, 52vw);
    height: auto;
    opacity: 0.95;
    filter: drop-shadow(0 16px 36px rgba(42, 74, 48, 0.12));
}

.intro-visual-caption {
    margin-top: 14px;
    font-size: 13px;
    letter-spacing: 0.65em;
    color: var(--text-muted);
    text-indent: 0.65em;
}

.intro-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 8px 0;
}

.intro-kicker {
    font-size: 12px;
    letter-spacing: 0.45em;
    color: var(--gold);
    margin-bottom: 12px;
    text-transform: none;
}

.intro-text h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 22px;
    letter-spacing: 0.12em;
    line-height: 1.35;
}

.intro-text .intro-body {
    color: var(--text-body);
    line-height: 2.05;
    margin-bottom: 28px;
    font-size: 15px;
    max-width: 38em;
}

.intro-text .intro-body p {
    margin-bottom: 0.85em;
}

.intro-text .intro-body p:last-child {
    margin-bottom: 0;
}

/* 首页关于我们：仅预览 2 行，超出省略；全文见 about.html */
.intro-body--preview {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
}

.intro-body--preview p {
    display: inline;
    margin-bottom: 0;
}

.intro-body--preview p + p::before {
    content: ' ';
}

.intro-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px 24px;
    margin-bottom: 28px;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.intro-highlights .highlight-item {
    text-align: center;
    padding: 8px 4px;
}

.intro-highlights .highlight-num {
    font-size: 32px;
    font-family: var(--font-display);
    color: var(--gold);
    font-weight: 600;
}

.intro-highlights .highlight-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 8px;
    letter-spacing: 0.08em;
}

.btn-intro-more {
    align-self: flex-start;
    padding: 14px 40px;
    border-radius: 999px;
}

/* ========== 分类区题头（中文层次，非双语） ========== */
.category-section {
    padding: clamp(64px, 11vw, 104px) 0;
    background: linear-gradient(180deg, #f0ebe2 0%, #e8e2d8 40%, #f5f1ea 100%);
}

.category-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
    padding: 0 8px;
}

.category-eyebrow {
    font-size: 12px;
    letter-spacing: 0.55em;
    color: var(--gold);
    margin-bottom: 14px;
}

.category-title {
    font-family: var(--font-display);
    font-size: clamp(26px, 4.2vw, 36px);
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.18em;
    margin-bottom: 10px;
}

.category-more-link {
    margin: 0 0 8px;
    font-size: 14px;
}

.category-more-link a {
    color: var(--primary);
    letter-spacing: 0.08em;
}

.category-more-link a:hover {
    color: var(--gold);
}

.category-brand-line {
    font-size: 15px;
    color: var(--primary);
    letter-spacing: 0.12em;
    margin-bottom: 16px;
}

.category-lead {
    font-size: 14px;
    line-height: 2;
    color: var(--text-muted);
    letter-spacing: 0.06em;
}

.category-head-divider {
    width: 48px;
    height: 2px;
    margin: 28px auto 0;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.category-grid {
    display: block;
}

/* —— 横向图标分类导航 + 子类胶囊 + 抽屉 —— */
.category-nav-card {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px 16px 18px;
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(42, 74, 48, 0.1);
}

.category-rail-scroll {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 4px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    padding: 4px 4px 14px;
    margin: 0 -4px;
    scrollbar-width: thin;
    mask-image: linear-gradient(90deg, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
}

.category-rail-scroll::-webkit-scrollbar {
    height: 4px;
}

.category-rail-scroll::-webkit-scrollbar-thumb {
    background: rgba(42, 74, 48, 0.18);
    border-radius: 4px;
}

.category-rail-item {
    flex: 0 0 auto;
    scroll-snap-align: start;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    min-width: 76px;
    max-width: 96px;
    padding: 10px 10px 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: var(--font-cn);
    color: #5a6058;
    transition: color 0.25s ease, transform 0.2s ease;
}

.category-rail-item:hover {
    color: var(--primary);
}

.category-rail-item.is-active {
    color: var(--primary);
}

.category-rail-item.is-active .category-rail-ico {
    color: var(--primary);
    box-shadow: 0 0 0 2px rgba(42, 74, 48, 0.12);
}

.category-rail-ico {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(180deg, #faf9f6 0%, #f3f0ea 100%);
    border: 1px solid var(--border-color);
    color: #6d726d;
    transition: var(--transition);
}

.category-rail-item:hover .category-rail-ico {
    border-color: rgba(168, 137, 61, 0.45);
    color: var(--primary);
}

.category-rail-icon-svg {
    width: 34px;
    height: 34px;
    display: block;
}

.category-rail-label {
    font-size: 12px;
    letter-spacing: 0.06em;
    line-height: 1.35;
    text-align: center;
    max-width: 5.5em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.category-sub-strip {
    border-top: 1px solid rgba(42, 74, 48, 0.08);
    padding-top: 14px;
    margin-top: 2px;
}

.category-sub-strip-inner {
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-sub-scroll-wrap {
    flex: 1;
    min-width: 0;
}

.category-sub-scroll {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 0 6px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
}

.category-sub-scroll::-webkit-scrollbar {
    height: 4px;
}

.category-sub-scroll::-webkit-scrollbar-thumb {
    background: rgba(42, 74, 48, 0.15);
    border-radius: 4px;
}

.category-sub-drawer-trigger {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 9px 14px;
    font-size: 12px;
    letter-spacing: 0.08em;
    border-radius: 999px;
    border: 1px solid var(--primary);
    background: #fff;
    color: var(--primary);
    cursor: pointer;
    font-family: var(--font-cn);
    transition: var(--transition);
}

.category-sub-drawer-trigger:hover {
    background: var(--primary);
    color: #fff;
}

.category-chip {
    flex: 0 0 auto;
    border: 1px solid rgba(42, 74, 48, 0.12);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-dark);
    font-size: 13px;
    padding: 9px 16px;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-cn);
    white-space: nowrap;
}

.category-chip:hover {
    border-color: var(--gold);
    color: var(--primary);
}

.category-chip.is-active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 底部抽屉 */
.category-drawer {
    position: fixed;
    inset: 0;
    z-index: 5000;
    pointer-events: none;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.category-drawer.is-open {
    pointer-events: auto;
    visibility: visible;
    opacity: 1;
}

.category-drawer-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(26, 31, 28, 0.45);
}

.category-drawer-sheet {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    max-height: min(78vh, 520px);
    background: #fff;
    border-radius: 18px 18px 0 0;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.12);
    transform: translateY(100%);
    transition: transform 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
}

.category-drawer.is-open .category-drawer-sheet {
    transform: translateY(0);
}

.category-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    letter-spacing: 0.08em;
}

.category-drawer-close {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    font-size: 26px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 8px;
}

.category-drawer-close:hover {
    color: var(--text-dark);
    background: var(--bg-section);
}

.category-drawer-grid {
    padding: 16px 18px 28px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
    gap: 10px;
}

.category-drawer-chip {
    padding: 12px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: #faf9f6;
    font-size: 14px;
    color: var(--text-dark);
    cursor: pointer;
    font-family: var(--font-cn);
    transition: var(--transition);
    text-align: center;
}

.category-drawer-chip:hover {
    border-color: var(--gold);
    color: var(--primary);
}

.category-drawer-chip.is-active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

body.category-drawer-open {
    overflow: hidden;
}

/* ========== 视频筛选条 ========== */
.video-toolbar {
    margin-bottom: 28px;
}

.video-toolbar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 20px;
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.video-filter-label {
    font-size: 14px;
    color: var(--text-body);
}

.video-filter-label strong {
    color: var(--primary);
    font-weight: 600;
}

/* ========== 视频区域 ========== */
.video-section {
    padding: 80px 0;
    background: #fff;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.video-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.video-card:hover .video-card-thumb img {
    transform: scale(1.08);
}

.video-card-thumb {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: #f0f0f0;
}

.video-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-card-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.55);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.video-card:hover .video-card-play {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.video-card-play::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 14px solid #fff;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}

.video-card-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
}

.video-card-body {
    padding: 15px;
}

.video-card-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.video-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 12px;
}

.video-card-meta .category-tag {
    padding: 2px 10px;
    background: var(--bg-section);
    border-radius: 20px;
    color: var(--primary);
}

/* ========== 分页 ========== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.pagination .page-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: #fff;
    cursor: pointer;
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-body);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination .page-btn:hover:not(:disabled) {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination .page-btn:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

.pagination .page-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination .page-nav-btn {
    width: auto;
    min-width: 72px;
    padding: 0 14px;
    font-size: 13px;
    letter-spacing: 0.08em;
}

.pagination .page-info {
    color: var(--text-muted);
    font-size: 14px;
    padding: 0 10px;
}

/* ========== 空状态 ========== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-illus {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    position: relative;
    opacity: 0.45;
}

.empty-illus--film::before {
    content: '';
    position: absolute;
    inset: 14px;
    border: 2px solid var(--text-muted);
    border-radius: 6px;
}

.empty-illus--warn::before {
    content: '！';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-display);
}

.empty-state p {
    color: var(--text-muted);
    font-size: 15px;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 992px) {
    .hero-section,
    .hero-swiper .swiper-slide img {
        height: 400px;
    }

    .hero-overlay h2 {
        font-size: 28px;
    }

    .intro-wrapper {
        flex-direction: column;
        gap: 40px;
    }

    .intro-image {
        flex: 0 0 auto;
        width: 100%;
        min-height: 260px;
    }

    .category-head {
        margin-bottom: 32px;
    }

    .pagination {
        flex-wrap: wrap;
        row-gap: 10px;
    }

    .category-rail-scroll {
        justify-content: flex-start;
    }

    .category-nav-card {
        padding: 16px 12px 14px;
    }

    .category-rail-item {
        min-width: 70px;
        max-width: 88px;
        padding: 8px 6px 4px;
    }

    .category-rail-ico {
        width: 44px;
        height: 44px;
    }

    .category-rail-icon-svg {
        width: 30px;
        height: 30px;
    }

    .category-sub-strip-inner {
        flex-wrap: wrap;
    }

    .category-sub-drawer-trigger {
        width: 100%;
        margin-top: 4px;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    /* 手机端隐藏首页「品类臻选」题头区，仅保留分类网格 */
    .index-page .category-head {
        display: none;
    }

    .index-page .category-section {
        padding-top: 40px;
    }

    .hero-section {
        margin-top: 56px;
    }

    .hero-section,
    .hero-swiper .swiper-slide img {
        height: 320px;
    }

    .hero-overlay {
        padding: 30px 0;
    }

    .hero-overlay h2 {
        font-size: 22px;
        letter-spacing: 2px;
    }

    .hero-overlay p {
        font-size: 13px;
    }

    .intro-section {
        padding: 50px 0;
    }

    .intro-text h2 {
        font-size: 22px;
    }

    /* 手机端隐藏左侧 SVG 装饰，文案区占满宽 */
    .intro-image {
        display: none;
    }

    .intro-wrapper {
        gap: 0;
    }

    /* 手机端：关于我们全文展示，不截断 */
    .intro-body--preview {
        display: block;
        -webkit-line-clamp: unset;
        line-clamp: unset;
        overflow: visible;
        text-overflow: unset;
    }

    .intro-body--preview p {
        display: block;
        margin-bottom: 0.85em;
    }

    .intro-body--preview p + p::before {
        content: none;
    }

    /* 手机端：隐藏数据统计与「了解更多」 */
    .intro-highlights,
    .btn-intro-more {
        display: none;
    }

    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .video-card-thumb {
        height: 140px;
    }

    .video-card-body {
        padding: 10px;
    }

    .video-card-title {
        font-size: 13px;
    }

    .hero-swiper .swiper-button-prev,
    .hero-swiper .swiper-button-next {
        display: none;
    }
}