/* ── 变量 ─────────────────────────────────────── */
:root {
    --gold:          #D4AF37;
    --gold-light:    #E8C84A;
    --white:         #FDFDFD;
    --off-white:     #F5F5F0;
    --dark:          #1A1A1A;
    --gray:          #4A4A4A;
    --gray-light:    #8A8A8A;
    --border:        #E8E8E2;
    --dark-section:  #1C2333;
    --radius:        4px;
    --shadow:        0 2px 20px rgba(0,0,0,.06);
    --transition:    .3s ease;
    --font-serif:    'Noto Serif SC', 'Songti SC', serif;
    --font-sans:     'Inter', -apple-system, 'PingFang SC', 'Hiragino Sans GB', sans-serif;
}

/* ── Reset ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); color: var(--dark); background: var(--white); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── 容器 ─────────────────────────────────────── */
.uj-container { max-width: 1200px; margin: 0 auto; padding: 0 48px; }

/* ── 通用标题 ──────────────────────────────────── */
.uj-section-head { text-align: center; margin-bottom: 64px; }
.uj-section-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
    color: var(--dark);
    letter-spacing: .2em;
    text-transform: uppercase;
}
.uj-section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: rgba(212,175,55,.6);
    margin: 20px auto 0;
}
.uj-section-subtitle {
    text-align: center;
    color: var(--gray-light);
    font-size: .9rem;
    letter-spacing: .1em;
    margin-bottom: 56px;
}

/* ── 按钮 ─────────────────────────────────────── */
.uj-btn {
    display: inline-block;
    padding: 11px 32px;
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: var(--radius);
    font-size: .9rem;
    letter-spacing: .08em;
    transition: background var(--transition), color var(--transition);
    cursor: pointer;
}
.uj-btn:hover { background: var(--gold); color: var(--white); }
.uj-btn--solid { background: var(--gold); color: var(--white); }
.uj-btn--solid:hover { background: var(--gold-light); border-color: var(--gold-light); }
.uj-btn--sm { padding: 8px 20px; font-size: .82rem; }
.uj-btn--white { border-color: rgba(255,255,255,.6); color: var(--white); }
.uj-btn--white:hover { background: var(--white); color: var(--dark); }

/* ── Header ───────────────────────────────────── */
.uj-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(212,175,55,0.1);
    transition: box-shadow var(--transition);
}
.uj-header.is-scrolled { box-shadow: 0 1px 16px rgba(0,0,0,.06); }
.uj-header__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    height: 69px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.uj-logo { display: flex; align-items: center; gap: 8px; }
.uj-logo__text { font-family: var(--font-serif); font-size: 1rem; font-weight: 700; color: var(--gold); letter-spacing: .15em; }
.uj-logo__text em { font-style: normal; color: var(--gold); margin-left: 8px; font-size: .95rem; font-weight: 400; letter-spacing: .06em; }
.uj-logo img { height: 32px; width: auto; }

/* Nav */
.uj-nav__list { display: flex; gap: 0; }
.uj-nav__list li a {
    display: block;
    padding: 8px 24px;
    font-family: var(--font-serif);
    color: var(--gray);
    font-size: .85rem;
    letter-spacing: .1em;
    position: relative;
    transition: color var(--transition);
}
.uj-nav__list li a::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 24px; right: 24px;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transition: transform var(--transition);
}
.uj-nav__list li a:hover { color: var(--gold); }
.uj-nav__list li a:hover::after { transform: scaleX(1); }
.uj-nav__list li.active > a { color: var(--gold) !important; }
.uj-nav__list li.active > a::after { transform: scaleX(1) !important; }

/* WordPress注入的current类由JS清除，此处保留兜底 */
.uj-nav__list li.current-menu-item > a,
.uj-nav__list li.current-menu-ancestor > a,
.uj-nav__list li.current_page_item > a {
    color: var(--dark) !important;
}
.uj-nav__list li.current-menu-item > a::after,
.uj-nav__list li.current-menu-ancestor > a::after,
.uj-nav__list li.current_page_item > a::after {
    transform: scaleX(0) !important;
}

/* 汉堡 */
.uj-nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.uj-nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--dark); transition: var(--transition); }

/* ── Hero ─────────────────────────────────────── */
section.uj-hero {
    position: relative;
    height: 680px;
    margin-top: 69px;
    overflow: hidden;
    background: linear-gradient(135deg, #0d1f2d 0%, #1a3a2a 100%);
}
.uj-hero__slides {
    position: relative;
    width: 100%;
    height: 100%;
}
.uj-hero__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    z-index: 0;
}
.uj-hero__slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}
.uj-hero__slide--placeholder {
    background: linear-gradient(135deg, #0d1f2d 0%, #1a3a2a 100%);
}

/* 指示器 - 横线状 dash */
.uj-hero__dots {
    position: absolute;
    bottom: 40px;
    left: 48px;
    z-index: 10;
    display: flex;
    gap: 12px;
    align-items: center;
}
.uj-hero__dot {
    width: 32px;
    height: 2px;
    background: rgba(255, 255, 255, 0.4);
    border: none;
    border-radius: 1px;
    cursor: pointer;
    transition: background var(--transition), width var(--transition);
    padding: 0;
}
.uj-hero__dot.is-active {
    background: var(--gold);
    width: 56px;
}
.uj-hero__dot:hover {
    background: rgba(255, 255, 255, 0.6);
}
.uj-hero__dot.is-active:hover {
    background: var(--gold);
}

/* ── 品牌力量 ──────────────────────────────────── */
.uj-brand { padding: 120px 0; background: rgba(245,245,240,.3); }
.uj-brand__head { text-align: center; margin-bottom: 72px; }
.uj-brand__title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 300;
    color: var(--gold);
    letter-spacing: .2em;
    text-transform: uppercase;
}
.uj-brand__divider {
    width: 64px;
    height: 1px;
    background: rgba(212,175,55,.4);
    margin: 24px auto 0;
}
.uj-brand__list { display: flex; flex-direction: column; gap: 24px; }
.uj-brand__item {
    background: var(--white);
    border: 1px solid rgba(212,175,55,.08);
    border-radius: 12px;
    padding: 56px 64px;
    box-shadow: 0 4px 24px rgba(0,0,0,.04);
    transition: box-shadow var(--transition);
}
.uj-brand__item:hover { box-shadow: 0 10px 40px rgba(212,175,55,.1); }
.uj-brand__item-header {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-bottom: 36px;
}
.uj-brand__badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border: 1px solid rgba(212,175,55,.25);
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 400;
    color: var(--gold);
    flex-shrink: 0;
}
.uj-brand__item-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--dark);
    letter-spacing: .04em;
}
.uj-brand__body { padding-left: 84px; }
.uj-brand__list-body {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.uj-brand__list-body li {
    padding-left: 24px;
    border-left: 2px solid rgba(212,175,55,.25);
    font-size: .9rem;
    color: var(--gray);
    line-height: 2;
    font-weight: 300;
}
.uj-brand__sub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.uj-brand__sub-title {
    font-family: var(--font-serif);
    font-size: .75rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: .15em;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.uj-brand__sub-item p {
    font-size: .85rem;
    color: var(--gray);
    line-height: 1.9;
    font-weight: 300;
}

/* ── 畅销产品轮播 ────────────────────────────────── */
.uj-bestseller { padding: 100px 0; background: var(--white); }
.uj-carousel-track {
    display: flex;
    gap: 40px;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: 8px 64px 40px;
    scrollbar-width: none;
}
.uj-carousel-track::-webkit-scrollbar { display: none; }

/* 产品卡片 */
.uj-product-card {
    flex: 0 0 360px;
    scroll-snap-align: start;
    cursor: pointer;
}
.uj-product-card__img-wrap {
    display: block;
    position: relative;
    overflow: hidden;
    background: var(--off-white);
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    border: 1px solid rgba(212,175,55,.05);
    box-shadow: 0 10px 30px rgba(212,175,55,.08);
    transition: box-shadow .7s ease;
}
.uj-product-card__img-wrap:hover { box-shadow: 0 16px 48px rgba(212,175,55,.15); }
.uj-product-card__img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s ease; }
.uj-product-card__img-wrap:hover .uj-product-card__img { transform: scale(1.05); }
.uj-product-card__badge {
    position: absolute;
    top: 20px; left: 20px;
    background: rgba(212,175,55,.9);
    color: var(--white);
    font-size: .65rem;
    font-weight: 500;
    letter-spacing: .15em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 2px;
}
.uj-product-card__img-placeholder {
    width: 100%; height: 100%;
    background: var(--off-white);
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-light); font-size: .8rem; letter-spacing: .06em;
}
.uj-product-card__img-placeholder::after { content: '图片待上传'; }
.uj-product-card__body { padding: 28px 4px 0; }
.uj-product-card__title { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 500; margin-bottom: 6px; color: var(--dark); letter-spacing: .04em; }
.uj-product-card__title a:hover { color: var(--gold); }
.uj-product-card__en { font-size: .72rem; color: var(--gray-light); margin-bottom: 20px; letter-spacing: .2em; text-transform: uppercase; }

/* 通用 outline 按钮 */
.uj-btn-outline {
    display: inline-block;
    padding: 10px 28px;
    border: 1px solid var(--gold);
    color: var(--gold);
    border-radius: 9999px;
    font-size: .75rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    transition: background var(--transition), color var(--transition);
    cursor: pointer;
}
.uj-btn-outline:hover { background: var(--gold); color: var(--white); }

/* ── 产品网格 ──────────────────────────────────── */
.uj-product-list { padding: 100px 0; background: rgba(245,245,240,.2); }
.uj-product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.uj-product-grid__item {
    background: var(--white);
    border: 1px solid rgba(212,175,55,.05);
    border-radius: 12px;
    padding: 28px;
    transition: box-shadow var(--transition);
    cursor: pointer;
    display: block;
}
.uj-product-grid__item:hover { box-shadow: 0 10px 30px rgba(212,175,55,.1); }
.uj-product-grid__item--hidden { display: none; }
.uj-product-grid__img-wrap {
    overflow: hidden;
    border-radius: 8px;
    background: var(--off-white);
    aspect-ratio: 1 / 1;
    margin-bottom: 20px;
}
.uj-product-grid__img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.uj-product-grid__item:hover .uj-product-grid__img { transform: scale(1.08); }
.uj-product-grid__img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--gray-light); font-size: .78rem;
}
.uj-product-grid__img-placeholder::after { content: '图片待上传'; }
.uj-product-grid__name { font-family: var(--font-serif); font-size: 1rem; font-weight: 500; color: var(--dark); margin-bottom: 6px; letter-spacing: .02em; }
.uj-product-grid__en { font-size: .72rem; color: var(--gray-light); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.uj-product-grid__excerpt { font-size: .82rem; color: var(--gray); line-height: 1.7; font-weight: 300; margin-bottom: 14px; }
.uj-product-grid__link { font-size: .75rem; color: var(--gold); letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.uj-product-list__more { text-align: center; margin-top: 56px; }
.uj-btn-expand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border: 1px solid rgba(212,175,55,.35);
    color: var(--gold);
    border-radius: 9999px;
    font-size: .78rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    background: none;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition);
}
.uj-btn-expand:hover { background: rgba(212,175,55,.05); border-color: var(--gold); }

/* ── 关于我们 ─────────────────────────────────── */
.uj-about { padding: 100px 0; background: var(--off-white); }
.uj-about__inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 80px;
    align-items: start;
}

/* 左侧内容 */
.uj-about__label {
    display: block;
    font-family: var(--font-serif);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
}
.uj-about__title {
    font-family: var(--font-serif);
    font-size: clamp(3.5rem, 7vw, 6rem);
    font-weight: 300;
    color: var(--dark);
    letter-spacing: -.02em;
    line-height: 1.1;
    margin-bottom: 48px;
}
.uj-about__info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-bottom: 36px;
    border-bottom: 1px solid rgba(212,175,55,.2);
    margin-bottom: 36px;
}
.uj-about__info-key {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}
.uj-about__info-val { font-size: .85rem; color: var(--dark); font-weight: 300; line-height: 1.6; }
.uj-about__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.uj-about__card {
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(212,175,55,.05);
    border-radius: 12px;
    padding: 32px;
}
.uj-about__card-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gold);
    margin-bottom: 14px;
    letter-spacing: .04em;
}
.uj-about__card p { font-size: .85rem; color: var(--gray); line-height: 1.9; font-weight: 300; }
.uj-about__card strong { color: var(--dark); font-weight: 500; }

/* 右侧图片 */
.uj-about__illustration {
    aspect-ratio: 1/1;
    background: var(--border);
    border-radius: 16px;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.08);
}
.uj-about__illus-placeholder { font-size: .75rem; color: var(--gray-light); letter-spacing: .12em; }
.uj-about__illustration img { width: 100%; height: 100%; object-fit: cover; }

/* ── 联系我们 ─────────────────────────────────── */
.uj-contact { padding: 100px 0; background: var(--white); }
.uj-contact__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    max-width: 800px;
    margin: 0 auto;
}
.uj-contact__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
}
.uj-contact__icon {
    width: 72px;
    height: 72px;
    border: 1px solid rgba(212,175,55,.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
}
.uj-contact__item-title {
    font-family: var(--font-serif);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--dark);
}
.uj-contact__item p { font-size: .88rem; color: var(--gray); line-height: 1.8; font-weight: 300; }
.uj-contact__phone { font-size: 1.5rem !important; color: var(--gold) !important; font-weight: 300; letter-spacing: .1em; }

/* ── Footer ───────────────────────────────────── */
.uj-footer {
    background: var(--off-white);
    border-top: 1px solid rgba(212,175,55,.15);
    padding: 0;
}
.uj-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.uj-footer .uj-logo__text { font-family: var(--font-serif); color: var(--gold); font-size: .9rem; letter-spacing: .2em; }
.uj-footer .uj-logo__text em { color: var(--gold); }
.uj-footer__copy { font-size: .72rem; letter-spacing: .15em; color: var(--gray-light); text-transform: uppercase; }

/* ── 产品详情页 ───────────────────────────────── */
.uj-product-detail { padding-top: 0; }
.uj-breadcrumb { background: var(--off-white); padding: 14px 0; font-size: .82rem; color: var(--gray-light); border-bottom: 1px solid var(--border); }
.uj-breadcrumb a:hover { color: var(--gold); }
.uj-breadcrumb span { margin: 0 8px; }

/* 产品主图区 */
.uj-detail-hero { background: #111; color: var(--white); }
.uj-detail-hero__bg {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.uj-detail-hero__img { width: 100%; border-radius: var(--radius); }
.uj-detail-hero__img-placeholder { width: 100%; aspect-ratio: 4/3; background: rgba(255,255,255,.05); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.2); font-size: .85rem; }
.uj-detail-hero__img-placeholder::after { content: '产品主图待上传'; }
.uj-detail-hero__title { font-size: 2.2rem; font-weight: 300; margin-bottom: 10px; line-height: 1.3; letter-spacing: .04em; }
.uj-detail-hero__en { font-size: .85rem; letter-spacing: .15em; color: var(--gold); margin-bottom: 24px; display: block; text-transform: uppercase; }
.uj-detail-hero__excerpt { font-size: .95rem; opacity: .7; line-height: 1.9; }

/* 气泡标注 */
.uj-label { position: absolute; transform: translate(-50%, -50%); }
.uj-label__dot { display: block; width: 8px; height: 8px; background: var(--gold); border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.uj-label__dot::before { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid rgba(212,175,55,.4); }
.uj-label__text { position: absolute; background: var(--gold); color: var(--white); padding: 4px 10px; border-radius: var(--radius); font-size: .75rem; white-space: nowrap; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%); letter-spacing: .04em; }

/* 产品介绍 */
.uj-detail-intro { padding: 80px 0; background: var(--white); }
.uj-detail-intro__content { font-size: 1rem; line-height: 1.9; color: var(--gray); margin-bottom: 48px; max-width: 720px; margin-left: auto; margin-right: auto; text-align: center; }
.uj-scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.uj-scene-grid__item img { width: 100%; border-radius: var(--radius); aspect-ratio: 16/9; object-fit: cover; }

/* 使用步骤 */
.uj-detail-steps { padding: 80px 0; background: var(--off-white); }
.uj-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2px; background: var(--border); border: 1px solid var(--border); }
.uj-step { background: var(--white); padding: 40px 28px; }
.uj-step__num { font-size: 2rem; font-weight: 300; color: var(--gold); line-height: 1; margin-bottom: 20px; }
.uj-step__img-wrap { margin-bottom: 16px; }
.uj-step__img-wrap img { width: 100%; border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; }
.uj-step__text { font-size: .88rem; color: var(--gray); line-height: 1.8; }

/* 功能特性 */
.uj-detail-features { padding: 80px 0; background: var(--white); }
.uj-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2px; background: var(--border); border: 1px solid var(--border); }
.uj-feature { background: var(--white); padding: 40px 24px; text-align: center; transition: background var(--transition); }
.uj-feature:hover { background: var(--off-white); }
.uj-feature__icon { width: 56px; height: 56px; margin: 0 auto 20px; }
.uj-feature__icon img { width: 100%; height: 100%; object-fit: contain; }
.uj-feature__title { font-size: .95rem; font-weight: 600; color: var(--dark); margin-bottom: 10px; }
.uj-feature__desc { font-size: .85rem; color: var(--gray); line-height: 1.8; }

/* 返回 */
.uj-detail-back { padding: 48px 0; text-align: center; background: var(--off-white); }

/* ── 响应式 ───────────────────────────────────── */
@media (max-width: 1024px) {
    .uj-container { padding: 0 32px; }
    .uj-product-grid { grid-template-columns: repeat(3, 1fr); }
    .uj-about__inner { grid-template-columns: 1fr; }
    .uj-about__illustration { max-width: 360px; aspect-ratio: 1/1; }
    .uj-about__info-grid { grid-template-columns: repeat(2, 1fr); }
    .uj-brand__item { padding: 40px 40px; }
    .uj-brand__body { padding-left: 68px; }
    .uj-brand__sub-grid { grid-template-columns: 1fr; gap: 24px; }
    .uj-detail-hero__bg { grid-template-columns: 1fr; gap: 40px; padding: 60px 32px; }
}
@media (max-width: 768px) {
    .uj-container { padding: 0 24px; }
    .uj-header__inner { padding: 0 24px; }
    section.uj-hero { height: 520px; }
    .uj-hero__dots { left: 24px; bottom: 24px; }
    .uj-product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .uj-brand__item { padding: 32px 28px; }
    .uj-brand__body { padding-left: 0; }
    .uj-about__cards { grid-template-columns: 1fr; }
    .uj-about__info-grid { grid-template-columns: repeat(2, 1fr); }
    .uj-contact__grid { grid-template-columns: 1fr; gap: 40px; }
    .uj-carousel-track { padding: 8px 24px 32px; gap: 24px; }
    .uj-product-card { flex: 0 0 280px; }
    .uj-scene-grid { grid-template-columns: 1fr; }
    .uj-section-title { font-size: 1.6rem; }
    .uj-footer__inner { padding: 24px; flex-direction: column; gap: 12px; text-align: center; }
    .uj-nav { display: none; position: absolute; top: 69px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 12px 0; }
    .uj-nav.is-open { display: block; }
    .uj-nav__list { flex-direction: column; }
    .uj-nav__list li a { padding: 12px 24px; }
    .uj-nav-toggle { display: flex; }
}
@media (max-width: 480px) {
    .uj-product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    section.uj-hero { height: 400px; }
    .uj-about__title { font-size: 2.8rem; }
}

/* ── 产品详情页 v2 ─────────────────────────────── */

/* ① 迷你 Hero */
.uj-pd-mini {
    background: #f2ede6;
    padding: 80px 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}
.uj-pd-mini__frame {
    position: relative;
    width: min(560px, 80vw);
    aspect-ratio: 1 / 1;
    border-radius: 0;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 24px 80px rgba(0,0,0,.15);
}
.uj-pd-mini__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
/* 标题信息区（隐藏） */
.uj-pd-mini__info {
    display: none;
}
.uj-pd-mini__title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 300;
    color: var(--dark);
    letter-spacing: .25em;
    margin: 0 0 12px;
    line-height: 1.3;
}
/* 英文名 + 装饰条 */
.uj-pd-mini__meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}
.uj-pd-mini__en {
    font-size: .78rem;
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--gold);
    font-family: var(--font-sans);
}
.uj-pd-mini__deco {
    display: flex;
    align-items: flex-end;
    gap: 3px;
}
.uj-pd-mini__deco span {
    display: block;
    width: 3px;
    background: var(--gold);
    border-radius: 2px;
}
.uj-pd-mini__deco span:nth-child(1) { height: 16px; }
.uj-pd-mini__deco span:nth-child(2) { height: 10px; }
.uj-pd-mini__deco span:nth-child(3) { height: 6px; }

/* ② 全宽暗色 Hero */
.uj-pd-hero {
    background: #FDFCF9;
    padding: 72px 48px;
}
.uj-pd-hero__inner {
    max-width: 760px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}
.uj-pd-hero__img {
    width: 100%;
    display: block;
    border-radius: 12px;
}

/* ③ 场景图 2列 */
.uj-pd-scenes {
    padding: 48px;
    padding-top: 80px;
    margin-top: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    background: #FDFCF9;
}
.uj-pd-scenes__item { overflow: hidden; padding: 24px; }
.uj-pd-scenes__item img { border-radius: 12px;
    width: 100%;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: transform .6s ease;
}
.uj-pd-scenes__item:hover img { transform: scale(1.03); }

/* ④ 步骤区块 */
.uj-pd-step {
    padding: 80px 48px;
    text-align: center;
}
.uj-pd-step--cream { background: #f5f0e6; }
.uj-pd-step--white { background: var(--white); }
.uj-pd-step__inner {
    max-width: 680px;
    margin: 0 auto;
}
.uj-pd-step__heading {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--gold);
    letter-spacing: .18em;
    margin-bottom: 40px;
}
.uj-pd-step__img-wrap {
    margin: 0 auto 32px;
    max-width: 400px;
    border-radius: 8px;
    overflow: hidden;
}
.uj-pd-step__img-wrap img {
    width: 100%;
    display: block;
    object-fit: cover;
}
.uj-pd-step__text {
    font-size: .95rem;
    color: var(--gray);
    line-height: 2;
    text-align: center;
}

/* ⑤ 产品正文 */
.uj-pd-content { padding: 80px 0; background: var(--white); }
.uj-pd-content__body {
    max-width: 720px;
    margin: 0 auto;
    font-size: .95rem;
    line-height: 2;
    color: var(--gray);
}
.uj-pd-content__body p { margin-bottom: 1.2em; }
.uj-pd-content__body h2, .uj-pd-content__body h3 {
    font-family: var(--font-serif);
    font-weight: 300;
    color: var(--dark);
    margin: 1.6em 0 .6em;
}

/* ⑥ 功能特性 */
.uj-pd-features { padding: 80px 0; background: var(--off-white); }
.uj-pd-features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    padding-top: 80px;
    margin-top: 0;
}
.uj-pd-feature {
    background: var(--off-white);
    padding: 40px 24px;
    text-align: center;
    transition: background var(--transition);
}
.uj-pd-feature:hover { background: var(--white); }
.uj-pd-feature__icon { width: 52px; height: 52px; margin: 0 auto 18px; }
.uj-pd-feature__icon img { width: 100%; height: 100%; object-fit: contain; }
.uj-pd-feature__title { font-size: .95rem; font-weight: 600; margin-bottom: 10px; }
.uj-pd-feature__desc { font-size: .85rem; color: var(--gray); line-height: 1.8; }

/* 返回 */
.uj-pd-back { padding: 56px 0; text-align: center; background: var(--off-white); }

/* 响应式 */
@media (max-width: 768px) {
    .uj-pd-mini { padding: 48px 0; }
    .uj-pd-mini__title { font-size: 2rem; letter-spacing: .4em; }
    .uj-pd-mini__card { padding: 14px 36px; }
    .uj-pd-hero { padding: 40px 20px; }
    .uj-pd-scenes {
    padding: 48px;
    padding-top: 80px;
    margin-top: 0; grid-template-columns: 1fr; }
    .uj-pd-step { padding: 56px 24px; }
}
@media (max-width: 480px) {
    .uj-pd-mini { padding: 32px 0; }
    .uj-pd-mini__title { font-size: 1.6rem; letter-spacing: .3em; }
    .uj-pd-mini__card { padding: 12px 28px; border-radius: 32px; }
    .uj-pd-mini__en { font-size: .72rem; letter-spacing: .25em; }
}