/* =========================================================
   MAIYOUTO — Global Stylesheet (v0.2 — Hero module)
   ========================================================= */

:root {
    --color-bg: #ffffff;
    --color-text: #1f1f1f;
    --color-muted: #777;
    --color-accent: #f36f21;            /* 品牌主色 (logo orange) */
    --color-accent-hover: #d85a10;      /* 主色 hover 暗化 */
    --color-accent-soft: rgba(243,111,33,0.12);
    --color-border: rgba(0,0,0,0.06);

    --container-max: 1400px;
    --nav-height: 78px;

    --font-display: 'Montserrat', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --shadow-soft: 0 6px 30px rgba(0,0,0,0.08);
    --transition: 0.3s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 300;            /* 高于抽屉(250)与遮罩(200)，保证汉堡按钮始终可点 */
    height: var(--nav-height);
    transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-soft);
}

.nav-inner {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    transition: color var(--transition);
}
.navbar.scrolled .logo { color: var(--color-text); }

/* Logo image — keep size locked */
.logo-img {
    height: 42px !important;
    max-height: 42px !important;
    width: auto !important;
    max-width: 160px;
    display: block;
    object-fit: contain;
    flex-shrink: 0;
}

/* Menu */
.nav-menu { flex: 1; display: flex; justify-content: center; }
.nav-menu ul {
    display: flex;
    gap: 38px;
    align-items: center;
}
.menu-item-gtranslate > a {
    display: inline-flex;
    align-items: center;
    padding: 0;
}
.menu-item-gtranslate > a::after,
.menu-item-gtranslate .dropdown-menu a::after { display: none; }
.menu-item-gtranslate .dropdown-menu li { text-align: center; }
.menu-item-gtranslate .dropdown-menu a {
    display: inline-flex;
    justify-content: center;
    padding: 4px;
}
.nav-menu a {
    position: relative;
    color: #fff;
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0.8px;
    padding: 6px 0;
    transition: color var(--transition);
}
.navbar.scrolled .nav-menu a { color: var(--color-text); }
.nav-menu a:hover { color: var(--color-accent-hover); }
.nav-menu a.active { color: var(--color-accent); }   /* 当前页用品牌橙高亮 */
.navbar.scrolled .nav-menu a.active { color: var(--color-accent-hover); }

.nav-menu a::after {
    content: '';
    position: absolute;
    left: 0; right: 0;
    bottom: 0;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition);
}
.nav-menu a:hover::after,
.nav-menu a.active::after { transform: scaleX(1); }

/* Right utilities */
.nav-utils {
    display: flex;
    align-items: center;
    gap: 18px;
    color: #fff;
    transition: color var(--transition);
}
.navbar.scrolled .nav-utils { color: var(--color-text); }

.lang-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,0.6);
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
}
.navbar.scrolled .lang-switch {
    border-color: var(--color-border);
}
.lang-flag { display: inline-flex; align-items: center; }
.lang-caret { transition: transform var(--transition); }

.search-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    transition: background var(--transition);
}
.search-btn:hover { background: rgba(255,255,255,0.15); }
.navbar.scrolled .search-btn:hover { background: rgba(0,0,0,0.06); }

.menu-toggle {
    display: none;
    width: 36px; height: 36px;
    flex-direction: column; justify-content: center; gap: 5px;
    position: relative;
    z-index: 210;            /* 高于抽屉遮罩，保证关闭按钮可点 */
}
.menu-toggle span {
    display: block;
    height: 2px; width: 22px;
    background: #fff;
    transition: background var(--transition),
                transform 0.3s ease,
                opacity 0.2s ease;
}
.navbar.scrolled .menu-toggle span { background: var(--color-text); }

/* 汉堡 → X */
.menu-toggle.active span {
    background: var(--color-text);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ MOBILE DRAWER ============ */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.drawer-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.nav-drawer {
    position: fixed;
    top: 0; right: 0;
    height: 100%;
    width: 300px;
    max-width: 85vw;
    background: #fff;
    z-index: 250;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 40px rgba(0,0,0,0.18);
    overflow-y: auto;
}
.nav-drawer.open { transform: translateX(0); }

.drawer-menu {
    flex: 1;
    padding: calc(var(--nav-height) + 16px) 0 16px;   /* 顶部避开固定导航条 */
}
.drawer-menu a {
    display: block;
    padding: 15px 24px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 1px;
    color: var(--color-text);
    border-left: 3px solid transparent;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.drawer-menu a:hover {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}
.drawer-menu a.active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: var(--color-accent-soft);
}
.drawer-lang-switch {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 15px 24px;
}
.drawer-lang-switch a { padding: 0; border-left: 0; }
.drawer-lang-switch img { display: block; }

.drawer-foot {
    padding: 20px 24px;
    border-top: 1px solid var(--color-border);
}
.drawer-lang {
    font-size: 14px;
    color: var(--color-muted);
}

/* 抽屉打开时锁定页面滚动 */
body.drawer-open { overflow: hidden; }

/* ============ HERO CAROUSEL ============ */
.hero {
    position: relative;
    z-index: 1;
    width: 100%;
    /* 用比例代替固定高度，贴近常见 banner（约 2:1），避免图被裁成过扁、指示条像掉到图外 */
    height: auto;
    aspect-ratio: 2 / 1;
    min-height: 420px;
    max-height: min(86vh, 900px);
    overflow: hidden;
}

.hero-track {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #1a1a1a;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease;
}
.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.45) 0%,
        rgba(0,0,0,0.25) 40%,
        rgba(0,0,0,0.55) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
}

.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 18px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(36px, 5.5vw, 72px);
    line-height: 1.08;
    letter-spacing: 1px;
    margin-bottom: 22px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.hero-title-thin {
    font-weight: 300;
    opacity: 0.9;
}

.hero-sub {
    font-size: 16px;
    letter-spacing: 1px;
    opacity: 0.9;
    max-width: 520px;
}

.hero-slide.active .hero-eyebrow,
.hero-slide.active .hero-title,
.hero-slide.active .hero-sub {
    opacity: 1;
    transform: translateY(0);
}
.hero-slide.active .hero-title { transition-delay: 0.1s; }
.hero-slide.active .hero-sub    { transition-delay: 0.5s; }

/* Arrows */
.hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px; height: 56px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(6px);
    color: #fff;
    z-index: 5;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition), transform var(--transition);
}
.hero-arrow:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.05);
}
.hero-prev { left: 28px; }
.hero-next { right: 28px; }

/* Dots：加深底托，避免浅色图底部时指示条像「掉到图外」 */
.hero-dots {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 5;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}
.dot {
    width: 28px; height: 4px;
    background: rgba(255,255,255,0.45);
    border-radius: 2px;
    transition: background var(--transition), width var(--transition);
}
.dot.active {
    background: var(--color-accent);
    width: 44px;
}

/* ============ SECTION COMMON ============ */
:root {
    --section-bg-soft: #fafafa;
    /* 全站统一品牌主色 #f36f21，不再单独维护辅助黄 */
}

.section {
    padding: 100px 0;
    background: #fff;
}

/* 通用版心容器：所有页面生效（首页 section / 产品列表页 main / footer 都用它） */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 18px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(28px, 3.5vw, 42px);
    letter-spacing: 1px;
    color: var(--color-text);
    margin-bottom: 14px;
}
.section-title .title-bar {
    display: inline-block;
    width: 5px; height: 38px;
    background: var(--color-accent);
    border-radius: 2px;
}
.section-sub {
    color: var(--color-muted);
    margin-bottom: 50px;
    letter-spacing: 0.5px;
}

/* ============ CLOUD ADVANTAGE ============ */
.advantage {
    background: #fff;
    padding-bottom: 48px;
}

.advantage-head {
    text-align: center;
    margin-bottom: 50px;
}

.advantage-en {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(28px, 3.5vw, 42px);
    letter-spacing: 1px;
    color: var(--color-text);
    line-height: 1.15;
}

.advantage-en .accent {
    color: var(--color-accent);
}

.advantage-zh {
    margin-top: 10px;
    font-family: var(--font-display);
    font-size: clamp(22px, 2.4vw, 30px);
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-text);
}

.advantage-sub {
    margin-top: 14px;
    font-size: 16px;
    color: var(--color-muted);
    letter-spacing: 0.5px;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 22px;
}

.adv-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 8px 28px rgba(0,0,0,0.04);
    min-height: 300px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.adv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px rgba(0,0,0,0.08);
}

.adv-top {
    background: #f3f3f3;
    padding: 36px 16px 48px;
    text-align: center;
}

.adv-title {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-text);
    line-height: 1.3;
}

.adv-icon {
    position: relative;
    z-index: 2;
    width: 64px;
    height: 64px;
    margin: -32px auto 0;
    border-radius: 50%;
    /* 白底：上传的橙色/彩色 PNG 才看得见（原先橙底会把橙色图标「吃掉」） */
    background: #fff;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 6px #fff, 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.adv-icon img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    display: block;
}

.adv-body {
    flex: 1;
    padding: 28px 16px 32px;
    text-align: center;
    background: #fff;
}

.adv-body p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-muted);
}

/* ============ PROMO VIDEO ============ */
.promo-video {
    background: #fff;
    padding: 40px 0 0;
}

.promo-video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #1a1a1a;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.promo-video-poster,
.promo-video-frame .site-video-el {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.promo-video-frame .site-video-el {
    position: absolute;
    inset: 0;
    background: #000;
    opacity: 0;
    pointer-events: none;
}

.promo-video-frame.is-playing .site-video-el {
    opacity: 1;
    pointer-events: auto;
}

.promo-video-frame.is-playing .promo-video-poster,
.promo-video-frame.is-playing .promo-video-play,
.about-video.is-playing > img,
.about-video.is-playing .video-play {
    display: none;
}

.promo-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    transform: translate(-50%, -50%);
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 28px rgba(0,0,0,0.25);
    transition: transform var(--transition), background var(--transition), color var(--transition);
}

.promo-video-play svg {
    margin-left: 3px;
}

.promo-video-play:hover {
    transform: translate(-50%, -50%) scale(1.06);
    background: var(--color-accent);
    color: #fff;
}

/* 视频紧接产品区，收紧间距 */
.promo-video + .products {
    padding-top: 72px;
}

/* ============ PRODUCTS GRID ============ */
.products { background: #fff; }

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    position: relative;
    display: block;
    aspect-ratio: 3 / 4;            /* 竖向卡片，贴近参考图 */
    overflow: hidden;
    border-radius: 2px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.06);
}
.product-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover img { transform: scale(1.06); }

.product-label {
    position: absolute;
    left: 16px; bottom: 16px;
    padding: 8px 16px;
    background: var(--color-accent);      /* 品牌主色 #f36f21 */
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 1px;
    color: #fff;
}

/* ============ ABOUT US ============ */
.about {
    background: #fff;
    padding: 0 0 0;                          /* 底部 0，让 EXHIBITION 上移接管间距 */
    position: relative;
}

/* 顶部 300px 全宽品牌橙色条 */
.about-banner {
    height: 300px;
    background: var(--color-accent);
}

/* 白色内容卡片：上移 200px 使顶部停在 banner 下 1/3 起点，即覆盖橙色条 100px */
.about-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: -200px auto 0;
    padding: 56px 32px 80px;
    background: #fff;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    margin-top: 40px;                      /* 与 ABOUT US 标题的间距 */
}
.section-title.left-title .title-bar { background: var(--color-accent); }

.about-video {
    position: relative;
    margin: 30px 0 28px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 2px;
    background: #1a1a1a;
}
.about-video > img,
.about-video .site-video-el {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.about-video .site-video-el {
    position: absolute;
    inset: 0;
    background: #000;
    opacity: 0;
    pointer-events: none;
}
.about-video.is-playing .site-video-el {
    opacity: 1;
    pointer-events: auto;
}
.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 2;
    transform: translate(-50%, -50%);
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background 0.3s ease;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}
.video-play:hover { transform: translate(-50%, -50%) scale(1.08); background: #fff; }

.about-text {
    color: var(--color-text);
    line-height: 1.7;
    font-size: 15px;
}

.about-right {
    position: relative;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    aspect-ratio: 3 / 4;
}
.about-right img {
    width: 100%; height: 100%;
    object-fit: cover;
}

/* ============ TEAM ============ */
.team {
    background: #fff;
    padding-top: 80px;
    padding-bottom: 100px;
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr auto 1.1fr;
    gap: 50px;
    align-items: start;
}

.team-portrait {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.team-info { padding-top: 20px; }
.team-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 26px;
    margin-bottom: 6px;
}
.team-role {
    color: var(--color-muted);
    font-size: 14px;
    margin-bottom: 20px;
}
.team-bio {
    font-size: 14px;
    line-height: 1.7;
    color: #444;
}

.team-thumbs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
}
.thumb {
    width: 80px; height: 100px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    border-radius: 2px;
    transition: border-color 0.3s ease, transform 0.3s ease;
}
.thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.thumb:hover { transform: translateY(-2px); }
.thumb.active {
    border-color: var(--color-accent);
}

.team-intro { padding-top: 10px; }
.intro-list {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
}
.intro-list li {
    list-style: none;
    border-bottom: 1px solid var(--color-border);
}
.intro-list li:last-child { border-bottom: 0; }
.intro-link {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
    align-items: start;
    padding: 16px 12px;
    color: inherit;
    border-radius: 4px;
    transition: background 0.25s ease, transform 0.25s ease;
}
.intro-link:hover {
    background: var(--color-accent-soft);
    transform: translateX(4px);
}
.intro-link:hover .intro-arrow {
    color: var(--color-accent);
    transform: translateX(4px);
}
.intro-arrow {
    color: var(--color-muted);
    align-self: center;
    transition: color 0.25s ease, transform 0.25s ease;
}
.intro-num {
    position: absolute;
    top: 0;
    left: 0;
    width: 28px; height: 28px;
    border-radius: 0 0 8px 0;
    background: var(--color-text);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 13px;
    display: flex; align-items: center; justify-content: center;
}
.intro-media {
    position: relative;
    display: block;
    width: 160px;
}
.intro-thumb {
    width: 160px; aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 2px;
    display: block;
}
.intro-list h4 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
}
.intro-list p {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.5;
}

/* ============ EXHIBITION CARDS ============ */
.exhibition {
    background: #fff;
    padding: 80px 0 100px;
    position: relative;
    z-index: 2;
    margin-top: 0;
}
/* 仅在上一块是关于我们时上移贴合；紧跟 Hero 时不再盖住轮播底部 */
.about + .exhibition {
    margin-top: -80px;
}

.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    margin-top: 36px;
}

.exhibition-card {
    background: #fff;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.10);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.exhibition-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 50px rgba(0,0,0,0.16);
}

.exhibition-media {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}
.exhibition-media img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.exhibition-card:hover .exhibition-media img { transform: scale(1.05); }

.exhibition-body {
    padding: 28px 30px 36px;
}
.exhibition-body h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--color-text);
}
.exhibition-body p {
    color: var(--color-muted);
    font-size: 14px;
}

.exhibition-more {
    text-align: center;
    margin-top: 56px;
}
.more-btn {
    display: inline-block;
    padding: 12px 36px;
    border: 1px solid var(--color-text);
    color: var(--color-text);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.more-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

/* ============ NEWS & CONTACT ============ */
.news-contact {
    background: #f4f4f4;                   /* 浅灰背景区分整页节奏 */
    padding: 100px 0;
}

.news-contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.news-contact-grid--contact-only {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
}

/* NEWS 左侧 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 32px;
    margin-top: 40px;
}
.news-card {
    background: #fff;
    padding: 22px 24px;
    border-radius: 2px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}
.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.news-card h4 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
    line-height: 1.35;
    color: var(--color-text);
    margin-bottom: 12px;
    /* 标题单行省略 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-card h4 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}
.news-card h4 a:hover { color: var(--color-accent); }
.news-card p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-muted);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    background: #efefef;
    font-size: 12px;
    color: var(--color-muted);
}

/* CONTACT 右侧 */
.contact-side {
    background: #fff;
    padding: 40px 36px;
    border-radius: 2px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.contact-form {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.form-field {
    position: relative;
    display: block;
}
.form-label {
    display: block;
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 8px;
    font-weight: 500;
}
.form-field input {
    width: 100%;
    padding: 10px 24px 10px 0;
    border: 0;
    border-bottom: 1px solid #e0e0e0;
    background: transparent;
    font: inherit;
    color: var(--color-text);
    outline: none;
    transition: border-color 0.25s ease;
}
.form-field input:focus {
    border-bottom-color: var(--color-accent);
}
.form-mark {
    position: absolute;
    right: 0; bottom: 10px;
    color: #e53935;
    font-size: 14px;
    line-height: 1;
}
.contact-submit {
    align-self: flex-start;
    margin-top: 6px;
    padding: 12px 28px;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 1px;
    border-radius: 0;
    transition: background 0.3s ease;
}
.contact-submit:hover { background: var(--color-accent-hover); }

/* ============ FOOTER ============ */
.site-footer {
    background: #2a2a2a;
    color: #c8c8c8;
    padding: 0;
    text-align: left;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.1fr 1.2fr 1.6fr 0.9fr;
    gap: 40px 36px;
    padding: 56px 32px 48px;
    align-items: start;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
}

.footer-logo {
    display: inline-block;
    line-height: 0;
}

.footer-logo img {
    height: 48px;
    width: auto;
    display: block;
}

.footer-slogan {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    max-width: 220px;
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 1px;
    color: #fff;
    white-space: nowrap;
}

.footer-slogan::before,
.footer-slogan::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.45);
}

.footer-heading {
    position: relative;
    margin: 0 0 22px;
    padding-left: 12px;
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #fff;
}

.footer-heading::before {
    content: '';
    position: absolute;
    left: 0;
    top: 2px;
    bottom: 2px;
    width: 3px;
    background: var(--color-accent);
}

.footer-nav-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 28px;
}

.footer-nav-cols ul,
.footer-contact {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-nav-cols a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    font-size: 14px;
    color: #c8c8c8;
    transition: color 0.25s ease;
}

.footer-nav-cols a span {
    color: #888;
    font-size: 12px;
}

.footer-nav-cols a:hover {
    color: var(--color-accent);
}

.footer-contact li {
    font-size: 14px;
    line-height: 1.7;
    color: #c8c8c8;
    margin-bottom: 10px;
}

.footer-contact li:last-child {
    margin-bottom: 0;
}

.footer-contact strong {
    color: #e8e8e8;
    font-weight: 600;
}

.footer-qr {
    width: 132px;
    height: 132px;
    padding: 8px;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.footer-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 16px 0;
    text-align: center;
    font-size: 13px;
    color: #888;
}

.footer-bottom .footer-link {
    color: #aaa;
    text-decoration: none;
    transition: color 0.25s ease;
}

.footer-bottom .footer-link:hover {
    color: var(--color-accent);
}

.footer-sep {
    margin: 0 10px;
    color: #555;
}

/* ============ BACK TO TOP ============ */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px; height: 48px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 20px rgba(0,0,0,0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.3s ease;
    z-index: 50;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--color-accent-hover);
    transform: translateY(-3px);
}

/* ============ PRODUCTS LISTING PAGE ============ */
/* 深色导航态（列表页初始，叠在 page-banner 上） */
.navbar-dark {
    background: rgba(20,20,20,0.55);
    backdrop-filter: blur(4px);
}
.navbar-dark.scrolled {
    background: rgba(255,255,255,0.95);
}

/* 顶部全宽场景图 */
.page-banner {
    height: 420px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.page-banner-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.25), rgba(0,0,0,0.05));
}

.products-page {
    padding: 70px 0 100px;
    background: #fff;
}
.products-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 50px;
    align-items: start;
}

/* Sidebar 分类 */
.sidebar-title {
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 18px;
    letter-spacing: 0.5px;
}
.category-list {
    border: 1px solid var(--color-border);
    border-top: 0;
}
.category-list > li {
    border-bottom: 1px solid var(--color-border);
}
.category-list > li:last-child { border-bottom: 0; }

.category-group-title {
    display: block;
    flex: 1;
    min-width: 0;
    padding: 14px 0 8px 18px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.6px;
    color: var(--color-text);
    line-height: 1.4;
    transition: color 0.25s ease, background 0.25s ease;
}
.category-group-row {
    display: flex;
    align-items: center;
    padding-right: 12px;
    transition: background 0.25s ease;
}
.category-group-row:hover { background: var(--color-accent-soft); }
.category-group-row:hover .category-group-title { color: var(--color-accent); }
.category-group-row:has(.category-group-title.active) { background: var(--color-accent-soft); }
.category-group-row:has(.category-group-title.active) .category-toggle { background: transparent; }
a.category-group-title.active { background: transparent !important; }
.category-toggle {
    flex: none;
    width: 32px;
    height: 32px;
    margin: 4px 0;
    border: 0;
    background: none;
    color: var(--color-muted);
    font-size: 22px;
    font-weight: 400;
    line-height: 1;
    cursor: pointer;
    transition: color 0.25s ease;
}
.category-toggle:hover { color: var(--color-accent); }
.category-group.open .category-toggle { color: var(--color-accent); }
a.category-group-title:hover {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}
a.category-group-title.active {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}

.category-sub {
    list-style: none;
    margin: 0;
    padding: 0 0 8px;
}

.category-sub li {
    border-bottom: 0;
}

.category-sub a {
    display: block;
    padding: 10px 18px 10px 28px;
    font-size: 13px;
    line-height: 1.4;
    color: var(--color-muted);
    white-space: normal;
    transition: color 0.25s ease, background 0.25s ease;
}
.category-sub a:hover {
    color: var(--color-accent);
    background: var(--color-accent-soft);
}
.category-sub a.active {
    color: var(--color-accent);
    background: var(--color-accent-soft);
    font-weight: 600;
}

/* 右侧列表 */
.listing-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.5px;
    color: var(--color-text);
    padding-bottom: 14px;
    border-bottom: 3px solid var(--color-accent);
    display: inline-block;
    margin-bottom: 36px;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.listing-empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--color-muted);
    font-size: 15px;
    border: 1px dashed #ddd;
    background: #fafafa;
}

.page-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 64px 44px;
}
.page-card {
    display: block;
}
.page-card .card-img {
    aspect-ratio: 4 / 3;
    width: 100%;
    overflow: hidden;
    background: #f5f5f5;
}
.page-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}
.page-card .card-name {
    margin-top: 28px;
    text-align: center;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(1.5em * 2);
    transition: color 0.25s ease;
}
.page-card:hover .card-name { color: var(--color-accent); }

/* 分页 */
.pagination {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 18px;
}
.page-link {
    font-size: 14px;
    color: var(--color-muted);
    transition: color 0.25s ease;
}
.page-link:hover { color: var(--color-accent); }
.page-link.num.active {
    color: var(--color-accent);
    font-weight: 700;
}

/* ============ TEAM DETAIL PAGE ============ */
.team-page {
    background: #fff;
    padding: 80px 0 100px;
}

.team-member {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 50px 0;
}
.team-member.reverse .member-text { order: 2; }
.team-member.reverse .member-photo { order: 1; }

/* 第二位成员（Kris Lyu）整条浅灰底，与上下白色交替 */
.team-member:nth-of-type(2) {
    background: #f4f4f4;
    margin: 0 -100%;
    padding: 50px 100%;
}

.member-text {
    max-width: 520px;
}
.member-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 26px;
    color: var(--color-text);
    margin-bottom: 26px;
}
/* 职务行（team_role）：紧贴姓名下方的小字，再让位于简介 */
.member-text .member-role {
    color: var(--color-muted);
    font-size: 13px;
    line-height: 1.6;
    letter-spacing: 0.6px;
    margin: -16px 0 22px;
}
.member-text p {
    color: #555;
    font-size: 14px;
    line-height: 1.9;
}
.member-line {
    margin-top: 28px;
    width: 60px;
    height: 1px;
    background: #ccc;
}

.member-photo {
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    max-width: 480px;
    justify-self: center;
}
.member-photo img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 4;
    object-fit: cover;
}

/* ============ MARQUEE (Professional photo / Team Exhibition) ============ */
.marquee-section {
    background: #fff;
    padding: 80px 0 60px;
    overflow: hidden;
}
.marquee-section + .marquee-section {
    padding-top: 30px;
}
.marquee-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 28px;
    color: var(--color-text);
    margin-bottom: 12px;
    padding-left: 14px;
    border-left: 3px solid var(--color-accent);
}
.marquee-sub {
    color: var(--color-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 36px;
}

.marquee {
    width: 100%;
    max-width: var(--container-max);   /* 1400px — 与全站版心对齐 */
    margin: 0 auto;                    /* 居中 */
    overflow: hidden;
    /* GPU 合成提示，避免动画时整个页面重新绘制 */
    will-change: transform;
    padding: 0 32px;                   /* 与 .container 两侧内边距一致 */
    box-sizing: border-box;
}
.marquee-track {
    display: flex;
    width: max-content;
    gap: 24px;
    animation: marquee-scroll 40s linear infinite;
}
.marquee-track:hover {
    animation-play-state: paused;
}
/* 第二条轨道默认反向滚动，但 .reverse 不影响 hover 暂停 */
.marquee-track.reverse {
    animation-direction: reverse;
    animation-duration: 45s;
}
.marquee-slide {
    flex: 0 0 auto;
    width: 360px;
    height: 240px;
    overflow: hidden;
}
.marquee-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.marquee-slide:hover img {
    transform: scale(1.05);
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ============ BRAND PAGE ============ */
.brand-page {
    background: #fff;
}
.brand-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
    /* 桌面端全屏贴边：不加 max-width / margin auto / padding */
}
.brand-photo {
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.10);
}
.brand-photo img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
/* 上 / 右 / 下 增大，左保持 24（左侧紧邻图片，gap 80 已够） */
.brand-text { padding: 40px 72px 40px 24px; }
.brand-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 22px;
}
.brand-text p {
    font-size: 14px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 18px;
}
.brand-text p:last-child { margin-bottom: 0; }

/* ============ BRAND CONCEPT (yellow band) ============ */
/* 整条全宽黄底色带，内容在版心内 */
.brand-concept {
    background: #f4c542;
    padding: 60px 0 70px;
    overflow: hidden;
}
.concept-top {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 50px;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
    align-items: start;
}
.concept-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 38px;
    line-height: 1.2;
    color: var(--color-text);
    padding-left: 22px;
    border-left: 5px solid var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.concept-text {
    font-size: 14px;
    line-height: 1.85;
    color: #3a3a3a;
}
.concept-gallery {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    gap: 24px;
    /* 1 大 2 小：第一张占 1.4fr、后两张各 1fr */
    grid-template-columns: 1.4fr 1fr 1fr;
}
.concept-img {
    overflow: hidden;
    background: rgba(0,0,0,0.05);
}
.concept-img img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.concept-img:hover img { transform: scale(1.05); }
/* 第一张用 4:3，其余 1:1 看起来像参考图布局 */
.concept-img-1 { aspect-ratio: 4 / 3; }
.concept-img-2,
.concept-img-3 { aspect-ratio: 1 / 1; }

/* ============ BRAND PAGE marquee 标题（橙字+橙下划线） ============ */
/* 复用 .marquee-section / .marquee / .marquee-track 已有规则；只改标题样式 */
.prod-marquee,
.cert-marquee {
    padding: 60px 0 50px;
    background: #fff;
}
.cert-marquee { background: #fafafa; }

.marquee-title-line {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 18px;
    color: var(--color-accent);
    padding-bottom: 10px;
    border-bottom: 3px solid var(--color-accent);
    margin-bottom: 36px;
    display: inline-block;
    line-height: 1;
}

/* 证书图比普通图要高些，aspect 用竖向 3:4 */
.cert-slide {
    width: 240px !important;
    height: 320px !important;
}

/* ============ COOPERATION PAGE ============ */
/* 整个 section 全屏贴边，不受版心约束 */
.cooperation-page { background: #fff; }

/* ============ JOIN CONDITIONS（左黄右白，1:1 贴边） ============ */
.join-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    /* 不加 max-width / margin auto / padding → 整条占满视口宽度，左右贴边 */
}
.join-yellow {
    background: #f4c542;
    /* 标题放在黄色区左下角 */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 0 100px 7vw;   /* 左边距用 vw，让标题离左边的距离随屏宽自适应 */
}
.join-title {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 38px;
    line-height: 1.2;
    color: var(--color-text);
    padding-left: 22px;
    border-left: 5px solid var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.join-list {
    list-style: none;
    padding: 80px 5vw 100px 6vw;   /* 右半屏 padding：左紧贴黄色区 / 右离屏幕边 5vw */
    margin: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 22px;
    background: #fff;
}
.join-list li {
    font-size: 14px;
    line-height: 1.85;
    color: #3a3a3a;
    display: flex;
    gap: 8px;
}
.join-num {
    flex: 0 0 auto;
    color: var(--color-text);
    font-weight: 600;
}

/* ============ CONTACT US（版心内） ============ */
/* 版心三件套直接挂在模块上，不套 container */
.contact-section {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 90px 32px 100px;
    background: #fff;
}
.contact-heading {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 44px;
    line-height: 1.1;
    letter-spacing: 1px;
    color: var(--color-text);
    text-transform: uppercase;
    padding-left: 20px;
    border-left: 5px solid var(--color-accent);
    margin-bottom: 60px;
}
.contact-cols {
    display: grid;
    grid-template-columns: 1fr 1fr 1.4fr;   /* 地址文字多，给宽一点 */
    gap: 40px;
    align-items: start;
    margin-bottom: 70px;
}
.contact-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.contact-icon {
    color: #2a2a2a;
    margin-bottom: 26px;
}
.contact-label {
    font-size: 14px;
    color: var(--color-text);
    margin-bottom: 14px;
}
.contact-value {
    font-size: 13px;
    line-height: 1.9;
    color: #555;
    max-width: 380px;
}
.contact-map {
    overflow: hidden;
    background: #f5f5f5;
}
.contact-map img {
    display: block;
    width: 100%;
    height: auto;
}
.contact-map--frame iframe {
    display: block;
    width: 100%;
    min-height: 380px;
    border: 0;
}

/* ============ PLEASE CONTACT ME（全屏背景 + 居中白卡） ============ */
.pc-section {
    /* 背景图由 ACF contact-form-bgimg 控制，未上传则纯色底，无兜底图 */
    background-color: #f4f4f4;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 90px 32px;
}
.pc-card {
    max-width: 1000px;
    margin: 0 auto;
    background: #fff;
    padding: 64px 72px 72px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.pc-head {
    display: flex;
    align-items: flex-end;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.pc-heading {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 34px;
    line-height: 1.15;
    letter-spacing: 1px;
    color: var(--color-text);
    text-transform: uppercase;
    padding-left: 18px;
    border-left: 5px solid var(--color-accent);
}
.pc-sub {
    font-size: 13px;
    color: #888;
    padding-bottom: 6px;
}
.pc-form { max-width: 640px; }
.pc-field { margin-bottom: 22px; }
.pc-field label {
    display: block;
    font-size: 13px;
    color: var(--color-text);
    margin-bottom: 10px;
}
.pc-input-row {
    position: relative;
    padding-right: 16px;
}
.pc-input-row input {
    width: 100%;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 3px;
    background: #fff;
    padding: 0 14px;
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.25s ease;
}
.pc-input-row input:focus { border-color: var(--color-accent); }
.pc-star {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #e02020;
    font-size: 14px;
}
.pc-submit {
    margin-top: 12px;
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    border: 0;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    padding: 12px 34px;
    cursor: pointer;
    transition: background 0.25s ease;
}
.pc-submit:hover { background: var(--color-accent-hover); }

/* ============ COOPERATIVE PARTNER（浅灰底 + 版心内） ============ */
.partner-section {
    background: #f5f5f5;
    padding: 90px 0 100px;
}
.partner-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}
.partner-heading {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 34px;
    line-height: 1.15;
    letter-spacing: 1px;
    color: var(--color-text);
    text-transform: uppercase;
    padding-left: 18px;
    border-left: 5px solid var(--color-accent);
    margin-bottom: 70px;
}
.partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 70px 40px;
    align-items: center;
    justify-items: center;
}
.partner-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70px;
}
/* --- 灰度文字型 logo（占位，后续可换真实 logo 图） --- */
.plogo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #9a9a9a;
    transition: color 0.3s ease;
    filter: grayscale(1);
}
.partner-item:hover .plogo { color: #555; }
.plogo-sep {
    width: 1px;
    height: 34px;
    background: currentColor;
    opacity: 0.6;
}
.plogo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
}
.plogo-text.center { align-items: center; text-align: center; }
.plogo-text strong {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 19px;
    letter-spacing: 0.5px;
}
.plogo-text em {
    font-style: normal;
    font-size: 10px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
}
.plogo-text.small em { font-size: 9px; }
.plogo-mono {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: 40px;
    letter-spacing: 4px;
    font-style: italic;
}
.plogo-mono.wide { font-style: normal; font-weight: 400; font-size: 32px; letter-spacing: 6px; }
.plogo-badge {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    border: 1.4px solid currentColor;
    border-radius: 3px;
    padding: 3px 7px;
    font-style: italic;
}
.plogo-bold {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 26px;
    letter-spacing: 1px;
    text-transform: lowercase;
}

/* ============ PRODUCT DETAIL PAGE（版心内） ============ */
.pd-page {
    background: #fff;
    padding: 60px 0 100px;
}
.pd-wrap {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 32px;
}

/* --- Tab 头（两个板块共用：橙字 + 橙色底边，整行灰线） --- */
.pd-tabbar {
    border-bottom: 1px solid #e5e5e5;
    margin-bottom: 44px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
}
.pd-back {
    margin-left: auto;
    margin-bottom: 10px;
    font-size: 14px;
    color: var(--color-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.25s ease;
}
.pd-back:hover { color: var(--color-accent); }
.pd-tab {
    display: inline-block;
    padding: 13px 38px;
    font-size: 15px;
    color: var(--color-accent);
    background: #fff;
    border: 1px solid #e5e5e5;
    border-top: 3px solid var(--color-accent);
    border-bottom: 0;
    margin-bottom: -1px;
}

/* --- 画廊区：左缩略图 + 中大图 + 右信息 --- */
.pd-gallery-block {
    display: grid;
    grid-template-columns: 92px 470px 1fr;
    gap: 34px;
    align-items: start;
    margin-bottom: 90px;
}
.pd-thumbs {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.pd-thumb {
    width: 92px;
    height: 92px;
    padding: 0;
    border: 1px solid #ddd;
    background: #fff;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.25s ease;
}
.pd-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.pd-thumb:hover { border-color: #aaa; }
.pd-thumb.active { border-color: var(--color-accent); }

.pd-gallery-col { display: flex; flex-direction: column; position: relative; }
.pd-main-img {
    aspect-ratio: 1 / 1;
    border: 1px solid #e5e5e5;
    overflow: hidden;
    background: #fafafa;
    position: relative;
    cursor: zoom-in;
}
.pd-main-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.pd-zoom-lens {
    display: none;
    position: absolute;
    width: 180px;
    height: 180px;
    border: 1px solid #ccc;
    background: rgba(255,255,255,0.35);
    cursor: move;
    pointer-events: none;
}
.pd-main-img.zooming .pd-zoom-lens { display: block; }
.pd-zoom-view {
    display: none;
    position: absolute;
    top: 0;
    left: calc(100% + 18px);
    width: 460px;
    height: 460px;
    border: 1px solid #e5e5e5;
    background-color: #fff;
    background-repeat: no-repeat;
    z-index: 50;
}
.pd-zoom-view.on { display: block; }
.pd-share {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 22px;
}
.pd-share-label {
    font-size: 13px;
    color: #666;
    margin-right: 4px;
}
/* moments / tieba 配色（复用 .share-icon 圆形样式） */
.share-icon.moments { background: #2aae67; }
.share-icon.tieba   { background: #3388ff; }

/* --- 右侧信息列 --- */
.pd-info {
    padding-top: 30px;
}
.pd-name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 20px;
}
.pd-info-rich { font-size: 15px; line-height: 2; color: var(--color-text); margin-bottom: 28px; }
.pd-info-rich p { margin-bottom: 1.2em; }
.pd-info-rich p:last-child { margin-bottom: 0; }
.pd-gallery-info { list-style: none; margin: 0 0 24px; padding: 0; }
.pd-gallery-info li { font-size: 14px; line-height: 1.8; color: var(--color-text); margin-bottom: 8px; }
.pd-gallery-info li:last-child { margin-bottom: 0; }
.pd-gallery-info strong { font-weight: 600; margin-right: 8px; }
.pd-action-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.pd-form-btn {
    display: inline-flex;
    align-items: center;
    padding: 11px 26px;
    border: 0;
    border-radius: 4px;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.25s ease;
}
.pd-form-btn:hover { background: var(--color-accent-hover); color: #fff; }
.pd-phone-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 26px;
    border: 1.5px solid var(--color-accent);
    border-radius: 4px;
    color: var(--color-accent);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.5px;
    transition: background 0.25s ease, color 0.25s ease;
}
.pd-phone-btn:hover {
    background: var(--color-accent);
    color: #fff;
}

/* --- Description 介绍 + 询盘按钮 --- */
.pd-desc-block { margin-bottom: 56px; }
.pd-desc-body { font-size: 15px; line-height: 2; color: var(--color-text); }
.pd-desc-body p { margin-bottom: 1.2em; }
.pd-desc-body p:last-child { margin-bottom: 0; }
.pd-desc-body img { max-width: 100%; height: auto; }
.pd-desc-gallery {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin-top: 28px;
}
.pd-desc-shot { margin: 0; aspect-ratio: 1 / 1; overflow: hidden; background: #f5f5f5; }
.pd-desc-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.pd-spec-gallery {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin-top: 28px;
}
.pd-spec-shot { margin: 0; overflow: hidden; background: #f5f5f5; position: relative; cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 24 24' fill='none' stroke='%23f36f21' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5' fill='%23fff'/%3E%3Cpath d='M15.5 15.5L21 21'/%3E%3C/svg%3E") 13 13, zoom-in; }
.pd-spec-shot img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.pd-spec-shot:hover img { transform: scale(1.05); }
.pd-spec-zoom {
    position: absolute;
    right: 8px;
    bottom: 8px;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.92);
    color: var(--color-accent);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.pd-spec-shot:hover .pd-spec-zoom { opacity: 1; transform: scale(1); }

/* 规格相册灯箱 */
.pd-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.9);
    padding: 40px 60px;
}
.pd-lightbox.open { display: flex; }
.pd-lightbox__img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}
.pd-lightbox__close {
    position: absolute;
    top: 16px;
    right: 20px;
    border: 0;
    background: none;
    color: #fff;
    font-size: 34px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.85;
}
.pd-lightbox__close:hover { opacity: 1; }
.pd-lightbox__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: rgba(255,255,255,0.12);
    color: #fff;
    width: 46px;
    height: 62px;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.25s ease;
}
.pd-lightbox__nav:hover { background: rgba(255,255,255,0.25); }
.pd-lightbox__nav--prev { left: 10px; }
.pd-lightbox__nav--next { right: 10px; }
.pd-lightbox__count {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 13px;
    letter-spacing: 1px;
    opacity: 0.75;
}
.pd-inquiry-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 36px;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.05em;
    border-radius: 2px;
    text-decoration: none;
    transition: background var(--transition);
}
.pd-inquiry-btn:hover { background: var(--color-accent-hover); color: #fff; }

/* --- Inquiry 弹窗（静态结构，Fluent 对接前占位） --- */
.inquiry-modal { position: fixed; inset: 0; z-index: 9999; display: none; }
.inquiry-modal.open { display: block; }
.inquiry-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.inquiry-box { position: relative; max-width: 560px; margin: 8vh auto; background: #fff; padding: 40px 48px 36px; box-shadow: 0 20px 60px rgba(0,0,0,0.25); }
.inquiry-close { position: absolute; top: 8px; right: 14px; border: 0; background: none; font-size: 28px; line-height: 1; cursor: pointer; color: #999; }
.inquiry-title { font-family: var(--font-display); font-weight: 700; font-size: 22px; margin-bottom: 24px; color: var(--color-text); }
.inquiry-form { display: flex; flex-direction: column; gap: 18px; }
.inquiry-field { position: relative; display: block; padding-bottom: 6px; border-bottom: 1px solid #ddd; }
.inquiry-field:focus-within { border-bottom-color: var(--color-accent); }
.inquiry-label { display: block; font-size: 15px; color: #111; margin-bottom: 6px; }
.inquiry-field input { width: 100%; border: 0; outline: 0; font-size: 15px; padding: 4px 18px 4px 0; background: transparent; color: #111; }
.inquiry-mark { position: absolute; right: 0; bottom: 10px; color: #d00; font-size: 14px; }
.inquiry-submit { align-self: flex-start; margin-top: 6px; padding: 12px 44px; border: 0; cursor: pointer; background: var(--color-accent); color: #fff; font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: 0.05em; }
.inquiry-submit:hover { background: var(--color-accent-hover); }

/* --- Detail 规格表 --- */
.pd-spec-block { margin-top: 8px; margin-bottom: 48px; }
.pd-table {
    width: 100%;
    border-collapse: collapse;
}
.pd-table th,
.pd-table td {
    border: 1px solid #e0e0e0;
    padding: 12px 20px;
    font-size: 14px;
    line-height: 1.6;
    text-align: left;
    font-weight: 400;
}
.pd-table th {
    width: 30%;
    background: #f7f7f7;
    color: var(--color-text);
}
.pd-table td { color: #555; }

/* --- Category video cards --- */
.pd-video-block {
    margin-bottom: 20px;
}

.pd-video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pd-video-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    transition: transform var(--transition);
}

.pd-video-card:hover {
    transform: translateY(-3px);
}

.pd-video-media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #1a1a1a;
}

.pd-video-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.pd-video-card:hover .pd-video-media img {
    transform: scale(1.04);
}

.pd-video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.95);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0,0,0,0.22);
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.pd-video-play svg {
    margin-left: 2px;
}

.pd-video-card:hover .pd-video-play {
    background: var(--color-accent);
    color: #fff;
    transform: translate(-50%, -50%) scale(1.06);
}

.pd-video-body {
    padding: 14px 2px 0;
}

.pd-video-title {
    margin: 0 0 6px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: var(--color-text);
    line-height: 1.35;
}

.pd-video-desc {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-muted);
}

/* ============ INDUSTRY LIST PAGE ============ */
.industry-page {
    background: #fff;
    padding: 70px 0 100px;
}

/* 通用模块标题（左竖条 + 全宽灰色下边线 + 右侧可选 more>>） */
.block-heading {
    display: inline-block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 17px;
    color: var(--color-accent);
    padding: 0 0 12px 12px;
    border-left: 3px solid var(--color-accent);
    margin-bottom: 0;
    line-height: 1;
}
.block-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 28px;
}
.block-header .block-heading { border-left: 0; padding-left: 0; }
.block-more {
    font-size: 12px;
    color: var(--color-muted);
    padding-bottom: 12px;
    transition: color 0.25s ease;
}
.block-more:hover { color: var(--color-accent); }

/* --- Product Introduction --- */
.intro-block {
    margin-bottom: 70px;
}
.intro-block .block-heading {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 12px;
    margin-bottom: 28px;
    width: 100%;
}

/* 头条：左缩略图 + 右标题摘要 */
.intro-feature {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    padding: 14px 0 22px;
    border-bottom: 1px solid var(--color-border);
}
.intro-feature-thumb {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f5f5f5;
}
.intro-feature-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.intro-feature-thumb:hover img { transform: scale(1.05); }
.intro-feature-body { padding-top: 4px; }
.intro-feature-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 12px;
}
.intro-feature-title a {
    color: var(--color-text);
    transition: color 0.25s ease;
}
.intro-feature-title a:hover { color: var(--color-accent); }
.intro-feature-text {
    font-size: 13px;
    line-height: 1.8;
    color: #666;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.intro-feature-text a { color: inherit; }
.intro-feature-text a:hover { color: var(--color-accent); }

/* 余下纯文本介绍列表 */
.intro-list {
    margin-top: 0;
    padding: 0;
    list-style: none;
}
.intro-list li {
    border-bottom: 1px solid var(--color-border);
}
.intro-list a {
    display: block;
    padding: 16px 4px;
    font-size: 14px;
    color: #444;
    line-height: 1.5;
    transition: color 0.25s ease, padding-left 0.25s ease;
}
.intro-list a:hover {
    color: var(--color-accent);
    padding-left: 10px;
}

/* --- Company News --- */
.news-block { margin-bottom: 0; }
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
    row-gap: 24px;
    margin-bottom: 36px;
}
.news-card {
    padding: 22px 18px;
    border-bottom: 1px solid var(--color-border);
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
}
.news-title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.news-title a {
    color: var(--color-text);
    transition: color 0.25s ease;
}
.news-title a:hover { color: var(--color-accent); }
.news-date {
    font-size: 12px;
    color: #aaa;
    margin-bottom: 12px;
}
.news-card .news-excerpt {
    font-size: 13px;
    line-height: 1.7;
    color: #777;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: calc(1.7em * 2);
}

/* ============ INDUSTRY DETAIL PAGE ============ */
.article-page {
    background: #fff;
    padding: 0 0 90px;
}
.article {
    max-width: 880px;
    margin: 0 auto;
    padding: 60px 0 0;
}
.article-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 16px;
}
.article-meta {
    font-size: 13px;
    color: #999;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 36px;
}
.article-body p {
    font-size: 15px;
    line-height: 1.9;
    color: #444;
    margin-bottom: 22px;
}
.article-body h3 {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 16px;
    color: var(--color-text);
    margin: 32px 0 18px;
}
.article-body strong {
    font-weight: 700;
    color: var(--color-text);
}

.article-foot {
    margin-top: 50px;
    padding-top: 28px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}
.prev-link {
    font-size: 13px;
    color: var(--color-muted);
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    transition: color 0.25s ease, border-color 0.25s ease;
    margin-right: 12px;
}
.prev-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.prev-title {
    font-size: 13px;
    color: #666;
}
/* 下一篇（复用 prev-link 视觉）与上下篇容器 */
.next-link {
    font-size: 13px;
    color: var(--color-muted);
    padding: 6px 14px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    transition: color 0.25s ease, border-color 0.25s ease;
    margin-right: 12px;
}
.next-link:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}
.next-title {
    font-size: 13px;
    color: #666;
}
.article-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 28px;
}
/* 正文末尾的特色图（文章缩略图） */
.article-featured {
    margin: 38px 0 0;
}
.article-featured img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}
.share-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.share-label {
    font-size: 13px;
    color: var(--color-muted);
    margin-right: 4px;
}
.share-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: #fff;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.share-icon:hover { opacity: 0.85; transform: translateY(-2px); }
.share-icon.wechat { background: #1aad19; }
.share-icon.weibo  { background: #e6162d; }
.share-icon.qq     { background: #12b7f5; }
.share-icon.star   { background: #f5b400; }
.share-icon.link   { background: #555; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .nav-menu { display: none; }
    .menu-toggle { display: flex; }
    .lang-label { display: none; }

    /* Section grids collapse */
    .advantage-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .about .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .team-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .team-thumbs { flex-direction: row; order: 3; grid-column: 1 / -1; }
    .team-intro { order: 4; grid-column: 1 / -1; }

    .exhibition-grid { gap: 32px; }

    .news-contact-grid { grid-template-columns: 1fr; gap: 48px; }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px 28px;
        padding: 48px 28px 40px;
    }

    .products-layout { grid-template-columns: 1fr; gap: 36px; }
    .page-grid { grid-template-columns: repeat(2, 1fr); gap: 48px 28px; }
    .page-banner { height: 300px; }

    .marquee-slide { width: 300px; height: 200px; }
    .marquee-track { gap: 18px; animation-duration: 32s; }
    .marquee-track.reverse { animation-duration: 36s; }
    .marquee-title { font-size: 24px; }
    .marquee { padding: 0 28px; }

    .intro-feature { grid-template-columns: 180px 1fr; gap: 20px; }
    .news-grid { column-gap: 24px; }
    .article { padding-top: 48px; }
    .brand-intro { gap: 50px; padding: 0 32px; }
    .brand-heading { font-size: 18px; }

    .concept-top { grid-template-columns: 220px 1fr; gap: 36px; }
    .concept-title { font-size: 30px; }
    .concept-gallery { grid-template-columns: 1fr 1fr; }
    .concept-img-3 { grid-column: 1 / -1; aspect-ratio: 16 / 9; }

    .join-title { font-size: 30px; }
    .join-yellow { padding: 60px 0 80px 6vw; }
    .join-list { padding: 60px 6vw 80px; gap: 18px; }

    .contact-section { padding: 70px 32px 80px; }
    .contact-heading { font-size: 36px; margin-bottom: 44px; }
    .contact-cols { gap: 28px; margin-bottom: 50px; }

    .pc-section { padding: 70px 28px; }
    .pc-card { padding: 50px 48px 56px; }
    .partner-grid { gap: 56px 32px; }

    /* PRODUCT DETAIL：画廊改两列（缩略图 + 主图），信息列移到整行下方 */
    .pd-gallery-block { grid-template-columns: 72px 1fr; gap: 24px; margin-bottom: 64px; }
    .pd-thumb { width: 72px; height: 72px; }
    .pd-info { grid-column: 1 / -1; padding-top: 0; }
    .pd-name { margin-bottom: 32px; }
    .pd-video-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 768px) {
    .hero {
        min-height: 360px;
        max-height: none;
    }
    .section { padding: 70px 0; }

    .advantage-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    /* ABOUT 橙条移动端降高（仍按 1/3 比例覆盖） */
    .about-banner { height: 220px; }
    .about-content { margin-top: -147px; }   /* 让卡片顶停在 banner y=147（= 220×2/3），盖住 banner 73px */
}

@media (max-width: 640px) {
    :root { --nav-height: 64px; }
    .nav-inner { padding: 0 16px; gap: 12px; }
    .hero {
        aspect-ratio: 4 / 3;
        min-height: 320px;
    }
    .hero-arrow { width: 42px; height: 42px; }
    .hero-prev { left: 12px; }
    .hero-next { right: 12px; }
    .hero-title { letter-spacing: 0; }

    .section .container { padding: 0 18px; }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 18px 32px;
    }
    .footer-nav-cols { max-width: 360px; }
    .advantage { padding-bottom: 28px; }
    .advantage-head { margin-bottom: 36px; }
    .advantage-grid { grid-template-columns: 1fr; gap: 16px; max-width: 420px; margin: 0 auto; }
    .adv-card { min-height: 0; }
    .promo-video { padding-top: 28px; }
    .promo-video + .products { padding-top: 48px; }
    .promo-video-play { width: 64px; height: 64px; }
    .promo-video-play svg { width: 32px; height: 32px; }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .product-label { font-size: 11px; padding: 6px 12px; }

    .team-grid { grid-template-columns: 1fr; gap: 28px; }

    .exhibition-grid { grid-template-columns: 1fr; gap: 24px; margin-top: 36px; }

    .news-grid { grid-template-columns: 1fr; gap: 18px; }
    .contact-side { padding: 28px 22px; }

    .page-grid { grid-template-columns: 1fr; gap: 44px 24px; }
    .page-banner { height: 240px; }

    .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }

    .team-member { grid-template-columns: 1fr; gap: 32px; padding: 36px 0; }
    .team-member.reverse .member-text { order: 1; }
    .team-member.reverse .member-photo { order: 2; }
    .member-name { font-size: 22px; }

    .marquee { padding: 0 16px; }

    .intro-feature { grid-template-columns: 1fr; gap: 14px; }
    .news-grid { grid-template-columns: 1fr; column-gap: 0; row-gap: 24px; }
    .article-title { font-size: 20px; }
    .article-foot { flex-wrap: wrap; }
    .share-row { flex-wrap: wrap; }

    .brand-intro { grid-template-columns: 1fr; gap: 28px; padding: 0 20px; }
    /* 手机端屏幕窄，右侧保持小值；上下适度增大，避免文字紧贴 banner */
    .brand-text { order: -1; padding: 24px 8px 20px; }

    .brand-concept { padding: 40px 0 50px; }
    .concept-top { grid-template-columns: 1fr; gap: 16px; padding-bottom: 30px; }
    .concept-title { font-size: 24px; }
    .concept-gallery { grid-template-columns: 1fr; gap: 16px; }
    .concept-img-1,
    .concept-img-2,
    .concept-img-3 { aspect-ratio: 4 / 3; grid-column: auto; }

    .marquee-title-line { font-size: 16px; }
    .cert-slide { width: 200px !important; height: 270px !important; }

    /* 手机端：单列堆叠，黄色色带在上、列表在下 */
    .join-section { grid-template-columns: 1fr; }
    .join-yellow { padding: 50px 0 60px 6vw; }
    .join-list { padding: 40px 6vw 60px; gap: 16px; }
    .join-title { font-size: 24px; }

    /* CONTACT US：三列变一列，标题缩小 */
    .contact-section { padding: 50px 20px 60px; }
    .contact-heading { font-size: 30px; margin-bottom: 36px; }
    .contact-cols { grid-template-columns: 1fr; gap: 36px; margin-bottom: 40px; }
    .contact-icon { margin-bottom: 18px; }

    /* PLEASE CONTACT ME：白卡收紧 */
    .pc-section { padding: 50px 16px; }
    .pc-card { padding: 40px 24px 44px; }
    .pc-heading { font-size: 26px; }

    /* COOPERATIVE PARTNER：4 列 → 2 列 */
    .partner-section { padding: 60px 0 70px; }
    .partner-inner { padding: 0 20px; }
    .partner-heading { font-size: 26px; margin-bottom: 44px; }
    .partner-grid { grid-template-columns: 1fr 1fr; gap: 44px 20px; }
    .plogo-mono { font-size: 32px; }
    .plogo-bold { font-size: 22px; }

    /* PRODUCT DETAIL：单列堆叠——主图在上、缩略图横排在下、信息最后 */
    .pd-page { padding: 44px 0 70px; }
    .pd-wrap { padding: 0 20px; }
    .pd-tabbar { margin-bottom: 32px; }
    .pd-tab { padding: 11px 22px; font-size: 14px; }
    .pd-gallery-block { grid-template-columns: 1fr; gap: 18px; margin-bottom: 56px; }
    .pd-gallery-col { order: 1; }
    .pd-thumbs { order: 2; flex-direction: row; }
    .pd-info { order: 3; padding-top: 6px; }
    .pd-share { flex-wrap: wrap; }
    .pd-name { font-size: 19px; margin-bottom: 28px; }
    .pd-table th, .pd-table td { padding: 10px 12px; font-size: 13px; }
    .pd-video-grid { grid-template-columns: 1fr; gap: 18px; }
    .pd-desc-gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 20px; }
    .pd-spec-gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 20px; }
    .pd-lightbox { padding: 24px 16px; }
    .pd-lightbox__nav { width: 36px; height: 50px; font-size: 24px; }
    .pd-lightbox__nav--prev { left: 2px; }
    .pd-lightbox__nav--next { right: 2px; }
    .pd-video-play { width: 46px; height: 46px; }
} /* end @media (max-width: 640px) */

/* ============ FLOATING CONTACT DOCK ============ */
.mot-float-aside { position: fixed; right: 18px; bottom: 90px; z-index: 999; }
.float-dock { display: flex; flex-direction: column; gap: 10px; }
.float-dock__btn {
    position: relative;
    width: 46px; height: 46px;
    display: flex; align-items: center; justify-content: center;
    background: var(--color-accent);
    color: #fff;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    transition: background 0.25s ease, transform 0.25s ease;
    text-decoration: none;
}
.float-dock__btn:hover { background: var(--color-accent-hover); border-color: var(--color-accent-hover); color: #fff; transform: translateY(-2px); }
.float-dock__tip {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    background: var(--color-text);
    color: #fff;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.float-dock__btn:hover .float-dock__tip { opacity: 1; }

/* ============ 404 ============ */
.error-page { background: #fff; padding: 110px 20px 130px; text-align: center; }
.error-404__code {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(90px, 14vw, 160px);
    line-height: 1;
    color: var(--color-accent);
    letter-spacing: 4px;
    margin-bottom: 18px;
}
.error-404__panel-inner { max-width: 640px; margin: 0 auto; }
.page-hero--404 .page-hero__inner { max-width: 640px; margin: 0 auto; }
.page-hero__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(26px, 4vw, 36px);
    margin-bottom: 14px;
}
.page-hero__subtitle { color: var(--color-muted); font-size: 15px; line-height: 1.8; }
.error-404__panel { margin-top: 26px; }
.error-404__lead { color: var(--color-muted); font-size: 15px; line-height: 1.8; margin-bottom: 34px; }
.error-404__btn {
    display: inline-block;
    padding: 13px 44px;
    background: var(--color-accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.05em;
    border-radius: 2px;
    text-decoration: none;
    transition: background var(--transition);
}
.error-404__btn:hover { background: var(--color-accent-hover); color: #fff; }

/* ============ BLOG（列表 / 归档 / 搜索 / 详情共用） ============ */
.blog-hero {
    background: #1f1f1f;
    padding: 120px 20px 70px;
    text-align: center;
}
.blog-hero__inner { max-width: 880px; margin: 0 auto; }
.blog-hero__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(26px, 4vw, 38px);
    color: #fff;
    margin-bottom: 14px;
}
.blog-hero__subtitle { color: rgba(255,255,255,0.7); font-size: 14px; }
.blog-list { padding: 60px 0 90px; background: #fff; }
.blog-list__inner { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.blog-list__items {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
    margin-bottom: 40px;
}
.blog-news-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
}
.blog-news-card:hover { box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.blog-news-card__media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #f4f4f4; }
.blog-news-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-news-card__placeholder { display: block; width: 100%; height: 100%; background: #f4f4f4; }
.blog-news-card__body { padding: 20px 22px 24px; }
.blog-news-card__tags { list-style: none; display: flex; gap: 8px; margin-bottom: 10px; }
.blog-news-card__tag {
    font-size: 12px;
    color: var(--color-accent);
    background: var(--color-accent-soft);
    border-radius: 3px;
    padding: 3px 10px;
}
.blog-news-card__title { font-size: 17px; line-height: 1.5; margin-bottom: 10px; }
.blog-news-card__title a { color: var(--color-text); text-decoration: none; }
.blog-news-card__title a:hover { color: var(--color-accent); }
.blog-news-card__excerpt { font-size: 14px; line-height: 1.8; color: var(--color-muted); }
.blog-list__empty { text-align: center; color: var(--color-muted); padding: 60px 0; }

/* ============ 搜索浮层 + 搜索表单 ============ */
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 1001;
    background: rgba(0,0,0,0.55);
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 18vh 20px 20px;
}
.search-overlay.open { display: flex; }
.search-overlay__inner {
    position: relative;
    width: min(560px, 100%);
    background: #fff;
    border-radius: 6px;
    padding: 36px 36px 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}
.search-overlay__close {
    position: absolute;
    top: 6px; right: 12px;
    border: 0; background: none;
    font-size: 30px; line-height: 1;
    color: #999; cursor: pointer;
}
.mot-search-form { display: flex; gap: 10px; }
.mot-search-form input[type="search"] {
    flex: 1;
    min-width: 0;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    outline: none;
}
.mot-search-form input[type="search"]:focus { border-color: var(--color-accent); }
.mot-search-form button {
    padding: 12px 28px;
    background: var(--color-accent);
    border: 0;
    border-radius: 4px;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
}
.mot-search-form button:hover { background: var(--color-accent-hover); }
.search-page-bar { max-width: 880px; margin: 0 auto; padding: 34px 20px 0; }
.search-btn { background: none; border: 0; cursor: pointer; color: inherit; display: inline-flex; }

/* ============ GTranslate 语言下拉（当前语言不重复显示） ============ */
.menu-item-gtranslate { position: relative; }
.menu-item-gtranslate .dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 48px;
    background: #fff;
    box-shadow: var(--shadow-soft);
    border-radius: 4px;
    padding: 6px;
    z-index: 1000;
}
.menu-item-gtranslate:hover .dropdown-menu,
.menu-item-gtranslate:focus-within .dropdown-menu { display: block; }
.menu-item-gtranslate .dropdown-menu .gt-current-lang { display: none; }

/* ============ 搜索结果页 ============ */
.search-page { background: #fff; padding-bottom: 90px; }
.mot-search-form {
    display: flex;
    gap: 10px;
    max-width: 640px;
    margin: 0 auto 40px;
    padding: 0 20px;
}
.mot-search-form input[type="search"] {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-size: 14px;
}
.mot-search-form button {
    padding: 12px 28px;
    background: var(--color-accent);
    color: #fff;
    border: 0;
    border-radius: 2px;
    font-weight: 700;
    cursor: pointer;
}
.mot-search-form button:hover { background: var(--color-accent-hover); }
.blog-list__items { list-style: none; }
.blog-list__item {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--color-border);
}
.blog-list__thumb img { width: 200px; height: auto; display: block; }
.blog-list__tag {
    display: inline-block;
    font-size: 12px;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 2px;
    padding: 2px 8px;
    margin-bottom: 8px;
}
.blog-list__title { font-size: 18px; margin-bottom: 8px; }
.blog-list__title a { color: var(--color-text); text-decoration: none; }
.blog-list__title a:hover { color: var(--color-accent); }
.blog-list__excerpt { font-size: 14px; color: var(--color-muted); line-height: 1.8; }

/* ============ Fluent 表单按钮主题色（首页 + 联系页，不用 Fluent 蓝） ============ */
.fluentform .ff-btn,
.fluentform .ff-btn-submit,
.fluentform button[type="submit"],
.fluentform input[type="submit"],
.ff-form .ff-btn,
.ff-form .ff-btn-submit,
.ff_submit_btn_wrapper .ff-btn,
.ff_submit_btn_wrapper button {
    background: var(--color-accent) !important;
    background-color: var(--color-accent) !important;
    border-color: var(--color-accent) !important;
    color: #fff !important;
}
.fluentform .ff-btn:hover,
.fluentform .ff-btn-submit:hover,
.fluentform button[type="submit"]:hover,
.fluentform input[type="submit"]:hover,
.ff_submit_btn_wrapper .ff-btn:hover,
.ff_submit_btn_wrapper button:hover {
    background: var(--color-accent-hover) !important;
    background-color: var(--color-accent-hover) !important;
    border-color: var(--color-accent-hover) !important;
}
}