/* =================================================================
   ===== SECTION 1 · SLIDER 轮播 =====
   ================================================================= */
.slider  { position: relative; overflow: hidden; background: var(--c-primary-d); color:#fff; }
.slides {
    display: flex; scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch; overflow-x: auto; scroll-behavior: smooth;
}
.slides::-webkit-scrollbar { height: 0; }
.slide {
    min-width: 100%; scroll-snap-align: start; position: relative;
    height: 560px; min-height: 360px; display: flex; align-items: center; justify-content: flex-start;
    background-size: cover !important; background-position: center !important;
}
/* 首屏 Slide 1 用 <img> 承载背景图（LCP 关键，支持 fetchpriority/srcset），铺满覆盖在渐变底色之上 */
.slide-bg-img {
    position: absolute; inset: 0; z-index: 0;
    width: 100%; height: 100%; object-fit: cover;
}
.slide::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg,
        rgba(10,37,64,.74) 0%,
        rgba(10,37,64,.52) 28%,
        rgba(10,37,64,.20) 55%,
        rgba(10,37,64,0) 100%);
}
.slide-inner {
    position: relative; z-index: 2; width: 100%;
    max-width: var(--container); margin: 0 auto;
    padding: 0 var(--pad-x);
}
/* 首页首屏：只显示「页眉73px + 轮播」，联系方式落到首屏下方（页脚也有）
   .hero-area 占满 视口−页眉，轮播 flex:1 精确占满剩余空间
   100dvh 适配带地址栏的移动浏览器，老浏览器不支持时回退 100vh
   .slides 用绝对填充破除"百分比高度 vs flex 高度"的循环依赖 */
.hero-area { display: flex; flex-direction: column; }
@media (min-width: 768px) {
    .hero-area {
        min-height: calc(100vh - 73px);
        min-height: calc(100dvh - 73px);
    }
    .hero-area .slider { flex: 1 1 auto; min-height: 360px; position: relative; }
    .hero-area .slider .slides { position: absolute; inset: 0; }
    .hero-area .slide { height: 100%; }
}
.slide h2, .slide h1 { font-size: 42px; line-height: 1.2; font-weight: 800; margin: 0 0 16px; max-width: 760px; }
.slide p  { font-size: 17px; line-height: 1.75; color: rgba(255,255,255,.92); margin: 0 0 28px; max-width: 640px; }
.slider-dots { position: absolute; bottom: 18px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 3; }
.slider-dots button {
    width: 9px; height: 9px; padding: 0; border: 0; cursor: pointer;
    border-radius: 50%; background: rgba(255,255,255,.35);
    text-indent: -9999px; transition: all .2s;
}
.slider-dots button:hover,
.slider-dots button.active { background: var(--c-cta); width: 24px; border-radius: var(--r-xl); }

/* Placeholder gradient（第 1/2/3 张未配图片时的默认背景）*/
.slide-bg-1 { background-image: linear-gradient(135deg, #0a2540 0%, #165DFF 100%); }
.slide-bg-2 { background-image: linear-gradient(135deg, #1e3a8a 0%, #0ea5e9 100%); }
.slide-bg-3 { background-image: linear-gradient(135deg, #0c4a6e 0%, #0891b2 100%); }


/* =================================================================
   ===== SECTION 2 · INFORMATION BAR 联系信息条（压缩版）=====
   ================================================================= */
.info-bar {
    background: #fff;
    border-bottom: 1px solid var(--c-line);
    padding: 22px 0;
}
.info-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px;
}
.info-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: var(--r-md);
    background: var(--c-bg); border: 1px solid var(--c-primary-l);
    transition: all .2s ease;
}
.info-item:hover { border-color: var(--c-primary); background: #f2f6ff; transform: translateY(-2px); }
.info-icon {
    width: 38px; height: 38px; border-radius: var(--r-sm);
    background: var(--c-primary-l); color: var(--c-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; flex-shrink: 0;
}
.info-icon svg { width: 20px; height: 20px; }
.info-text { display: flex; flex-direction: column; gap: 1px; flex: 1; min-width: 0; }
.info-label { font-size: 11px; color: var(--c-faint); }
.info-value { font-size: clamp(12px, 2vw, 14px); font-weight: 700; color: var(--c-title); word-break: break-all; }
.info-value a { color: var(--c-primary); }
.info-value a:hover { text-decoration: underline; }
.info-value.copy-target { cursor: pointer; }
.info-value.copy-target:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; border-radius: var(--r-sm); }


/* =================================================================
   ===== SECTION 3 · ABOUT US 关于我们（压缩版）=====
   ================================================================= */
.about-grid {
    display: grid; grid-template-columns: 1fr 1.1fr;
    gap: 48px; align-items: stretch;
}
.about-img {
    border-radius: var(--r-lg); overflow: hidden;
    background: var(--c-primary-l);
    background-size: cover; background-position: center;
    box-shadow: var(--sh-lg);
    width: 100%; height: 100%;
}

/* =================================================================
   ===== RESPONSIVE — 首页「关于我们」移动端修复 =====
   注意：home.css 在 base.css 之后加载，必须用本文件内的媒体查询
   覆盖下方无条件的 .about-grid / .about-img 规则，否则 base.css
   的移动端单列设置会被覆盖，导致图片在手机上被压成细条而“看不到”。
   ================================================================= */
@media (max-width: 960px) {
    .about-grid { grid-template-columns: 1fr; gap: 28px; }
    .about-img  { height: auto; aspect-ratio: 16 / 11; }
}
@media (max-width: 560px) {
    .about-grid { gap: 22px; }
    .about-img  { aspect-ratio: 4 / 3; }
}
.about-text {
    display: flex;
    flex-direction: column;
}
.about-badge {
    display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: var(--r-xl);
    background: var(--c-cta-l); color: #b15a00;
    font-weight: 700; font-size: 12px; letter-spacing: .05em;
    margin: 0 0 12px;
}
.about-badge svg { width: 14px; height: 14px; }
.about-title {
    font-size: 30px; font-weight: 800; color: var(--c-title);
    margin: 0 0 14px; line-height: 1.25;
}
.about-desc { font-size: 15px; line-height: 1.8; color: var(--c-muted); margin: 0 0 22px; }
.about-desc p + p { margin-top: 12px; }
.about-stats {
    display: flex; justify-content: space-between; align-items: center;
    margin: 0 0 20px; padding: 20px 22px; border-radius: var(--r-md);
    background: #dbeafe; border: 1px solid #bfdbfe;
    box-shadow: 0 2px 10px rgba(22, 93, 255, 0.08);
}
.about-stat { display: flex; flex-direction: column; align-items: center; }
.about-stat .num   { font-size: 28px; font-weight: 800; color: var(--c-primary); margin: 0 0 5px; }
.about-stat .label { font-size: 12.5px; color: var(--c-muted); line-height: 1.35; }
.about-scope {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
    margin: 0 0 20px; padding: 20px 22px; border-radius: var(--r-md);
    background: #f1f5f9; border: 1px solid #e2e8f0;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.05);
}
.about-scope-item {
    display: flex; align-items: center; gap: 9px;
    font-size: 13.5px; line-height: 1.45; color: #0f172a;
    padding: 9px 12px; border-radius: 10px;
    background: #fff; border: 1px solid #e2e8f0;
}
.about-scope-item .as-icon { flex: 0 0 auto; width: 18px; height: 18px; color: var(--c-primary); }

/* 资质标签（行内紧凑版） */
.about-certs-inline {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
    margin-bottom: 20px;
}
.cert-chip {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 8px 18px;
    background: #dbeafe;
    border: 1px solid #bfdbfe;
    color: var(--c-primary-d);
    font-size: 13px;
    font-weight: 600;
    border-radius: 999px;
    line-height: 1.4;
    text-align: center;
}
.cert-chip svg { 
    width: 15px; 
    height: 15px; 
    flex-shrink: 0;
}

/* 按钮组 */
.about-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-top: auto;
    padding-top: 6px;
}

/* 核心亮点（2x2 小网格） */
.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.about-highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--c-title);
    padding: 12px 14px;
    background: #dbeafe;
    border: 1px solid #bfdbfe;
    border-radius: var(--r-sm);
    transition: all .2s ease;
}
.about-highlight:hover {
    border-color: var(--c-primary);
    background: var(--c-primary-l);
    transform: translateY(-1px);
}
.ah-icon {
    font-size: 20px;
    flex-shrink: 0;
    color: var(--c-primary);
}
.ah-icon svg { width: 18px; height: 18px; }
.hl-icon { width: 16px; height: 16px; flex-shrink: 0; }

/* 免费测试promo条 */
.about-promo {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #fff7ed, #ffedd5);
    border: 1px solid #fdba74;
    border-radius: var(--r-md);
    margin-bottom: 20px;
}
.promo-icon {
    font-size: 28px;
    flex-shrink: 0;
}
.promo-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.promo-text strong {
    font-size: 13.5px;
    font-weight: 700;
    color: #9a3412;
}
.promo-text span {
    font-size: 11.5px;
    color: #c2410c;
}
.promo-btn {
    flex-shrink: 0;
    padding: 7px 14px;
    background: var(--c-cta);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--r-sm);
    text-decoration: none;
    transition: all .2s ease;
    white-space: nowrap;
}
.promo-btn:hover {
    background: #e86a00;
    transform: translateY(-1px);
}


/* =================================================================
   ===== SECTION 4 · SERVICE / PRODUCT LINES 产品分类卡片（压缩版）=====
   ================================================================= */
.svc-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px;
}
.svc-card {
    padding: 22px 20px; border-radius: var(--r-md);
    background: #fff; border: 1.5px solid var(--c-line);
    text-decoration: none; color: var(--c-text);
    transition: all .3s ease; display: block;
}
.svc-card:hover {
    border-color: var(--c-primary);
    transform: translateY(-3px);
    box-shadow: var(--sh-lg);
    background: var(--c-bg);
}
.svc-icon {
    width: 46px; height: 46px; border-radius: 12px;
    background: linear-gradient(135deg, var(--c-primary-l), #d6e4ff);
    color: var(--c-primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; margin-bottom: 14px; transition: all .3s ease;
}
.svc-card:hover .svc-icon {
    background: linear-gradient(135deg, var(--c-primary), #3a7bff);
    color: #fff;
}
.svc-title { font-size: 16px; font-weight: 700; margin: 0 0 7px; color: var(--c-title); line-height: 1.35; }
.svc-desc  { font-size: 13px; line-height: 1.65; color: var(--c-muted); margin: 0 0 12px; }
.svc-more  {
    font-size: 12px; font-weight: 700; color: var(--c-primary);
    display: inline-flex; align-items: center; gap: 3px;
}
.svc-card:hover .svc-more { color: var(--c-cta); }


/* =================================================================
   ===== SECTION 5 · WHY CHOOSE US 优势（压缩版）=====
   ================================================================= */
.why-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px;
}
.why-card {
    padding: 22px 20px;
    border-left: 4px solid var(--c-primary);
    background: var(--c-bg);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    transition: all .3s ease;
}
.why-card:hover {
    border-left-color: var(--c-cta);
    background: var(--c-cta-l);
    transform: translateX(4px);
}
.why-icon  { font-size: 26px; margin-bottom: 10px; color: var(--c-primary); }
.why-title { font-size: 15.5px; font-weight: 700; margin: 0 0 7px; color: var(--c-title); line-height: 1.35; }
.why-desc  { font-size: 13px; line-height: 1.65; color: var(--c-muted); margin: 0; }


/* =================================================================
   ===== SECTION 6 · FEATURED PRODUCTS 主推产品 =====
   ================================================================= */
.prod-grid {
    display: grid; grid-template-columns: repeat(auto-fill, 383px); gap: 18px; justify-content: start;
}
@media (max-width: 1200px) {
    .prod-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 383px)); }
}
@media (max-width: 768px) {
    .prod-grid { grid-template-columns: 1fr; }
}
.prod-card {
    border: 1px solid #eef2f8; border-radius: var(--r-md); overflow: hidden;
    background: #fff; transition: all .25s ease; display: flex; flex-direction: column; height: 100%;
}
.prod-card:hover { transform: translateY(-3px); box-shadow: var(--sh-lg); }
.prod-img {
    display: block; aspect-ratio: 5/3; overflow: hidden;
    background: var(--c-bg);
}
.prod-img svg, .prod-img img { width:100%; height:100%; object-fit: contain; transition: transform .35s ease; }
.prod-card:hover .prod-img img,
.prod-card:hover .prod-img svg { transform: scale(1.06); }
.prod-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; }
.prod-model {
    display: inline-block;
    padding: 2px 9px; background: var(--c-primary-l); color: var(--c-primary);
    border-radius: var(--r-xl); font-size: 11px; font-weight: 700;
}
.prod-title { margin: 0 0 6px; line-height: 1.35; }
.prod-title a {
    color: var(--c-text); text-decoration: none;
    font-size: 15.5px; font-weight: 700;
}
.prod-title a:hover { color: var(--c-primary); }
.prod-industries { font-size: 11.5px; color: var(--c-faint); margin-bottom: 7px; letter-spacing: -0.01em; }
.prod-excerpt {
    color: var(--c-muted); font-size: 13px; line-height: 1.55; flex: 1;
    overflow: hidden; display: -webkit-box;
    -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical;
}
.prod-footer {
    margin-top: 10px; display: flex; justify-content: space-between; align-items: center;
}
.prod-price { color: var(--c-faint); font-size: 12px; }
.prod-price em { color: #c9cdd4; font-style: normal; }
.btn-quote {
    background: var(--c-cta); color: #fff; border: none;
    border-radius: 6px; padding: 6px 13px; font-weight: 700;
    text-decoration: none; font-size: 12.5px; transition: all .2s;
}
.btn-quote:hover { background: var(--c-cta-hover); color:#fff; }

/* 产品卡片新增样式 */
.prod-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
    align-items: center;
}
.prod-badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: var(--r-xl);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.01em;
}
.prod-badge.customizable {
    background: #fff4e6;
    color: #e67300;
}
.prod-badge.core {
    background: #eef2ff;
    color: #4f46e5;
}
.prod-badge svg {
    width: 11px;
    height: 11px;
    margin-right: 3px;
    vertical-align: middle;
}
.prod-model.accent {
    background: #eef2ff;
    color: #4f46e5;
}
.prod-configs {
    font-size: 11.5px;
    color: var(--c-faint);
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 6px;
    align-items: center;
}
.prod-configs span {
    white-space: nowrap;
}
.prod-price-note {
    color: var(--c-muted);
    font-size: 11.5px;
    font-style: italic;
}

/* 产品区块标题 */
.product-section .section-header-wrap {
    margin-bottom: 20px;
}
.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-icon {
    font-size: 26px;
}
.section-sub {
    margin-top: 6px;
}

/* --- 通用区块标题 --- */
.section-header {
    margin-bottom: 36px;
}
.section-header.center {
    text-align: center;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}
.section-label {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    color: var(--c-primary-d);
    border-radius: var(--r-xl);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 14px;
}
.section-header .h2-title {
    margin-bottom: 12px;
}
.section-header .section-sub {
    font-size: 15px;
    color: var(--c-muted);
    line-height: 1.7;
    margin: 0;
}


/* =================================================================
   ===== SECTION 7 · BOTTOM CTA 询盘转化条 =====
   ================================================================= */
.cta-section {
    position: relative; padding: 64px 0; color: #fff; overflow: hidden;
    background: linear-gradient(135deg, var(--c-primary-d) 0%, var(--c-primary) 100%);
}
.cta-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: .2; mix-blend-mode: overlay;
}
.cta-inner {
    position: relative; z-index: 2;
    max-width: 1000px; margin: 0 auto;
    text-align: center; padding: 0 var(--pad-x);
}
.cta-title {
    font-size: 40px; line-height: 1.2; font-weight: 800;
    margin: 0 0 18px; color: #fff;
}
.cta-sub {
    font-size: 17px; line-height: 1.85;
    color: rgba(255,255,255,.92); margin: 0 0 36px;
}
.cta-benefits {
    display: grid; gap: 10px; max-width: 680px; margin: 0 auto 36px; text-align: left;
}
.cta-benefit { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.95); }
.cta-benefit .check {
    width: 22px; height: 22px; border-radius: 50%;
    background: var(--c-cta); color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12px; flex-shrink: 0;
}
.cta-benefit .cta-check-svg {
    width: 14px;
    height: 14px;
    color: #fff;
}
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }


/* =================================================================
   ===== NEW SECTION · LOGO WALL「客户 Logo 行 + 供应商 Logo 行」
        · 两行无缝滚动，悬停暂停
        · 每个 Logo 卡片：悬停弹出 Tooltip 显示【公司名 / 行业 / 国家】
   ================================================================= */
.logo-wall {
    padding: 22px 0 24px;
    background: linear-gradient(180deg, #ffffff, #f8fbff);
    border-top: 1px solid var(--c-line);
    border-bottom: 1px solid var(--c-line);
}
.logo-wall-label {
    text-align: center;
    font-size: 11px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--c-faint);
    font-weight: 700;
    margin-bottom: 12px;
}
.logo-wall-label strong {
    color: var(--c-primary);
    font-weight: 800;
}
.logo-wall-label-alt { color: #6b5100; }
.logo-wall-label-alt strong { color: #c27a00; }

.logo-track {
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.logo-track-inner {
    display: flex;
    gap: 22px;
    width: max-content;
    animation: scroll-x 44s linear infinite;
    will-change: transform;
}
.logo-track:hover .logo-track-inner,
.logo-track:focus-within .logo-track-inner {
    animation-play-state: paused;
}
/* 供应商行：滚动稍慢（更稳重）· 从左向右滚动（反向） */
.logo-track-inner-slow {
    animation: scroll-x-reverse 68s linear infinite;
}

/* ========== Logo 卡片（含 SVG 图 + Tooltip） ========== */
.logo-card {
    flex-shrink: 0;
    width: 152px;
    position: relative;
    border-radius: var(--r-md);
    transition: all .25s ease;
    z-index: 1;
}
.logo-box {
    border-radius: var(--r-md);
    background: #fff;
    border: 1px solid var(--c-line);
    padding: 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 160 / 72;
    box-shadow: 0 1px 2px rgba(12,45,92,.04);
    transition: all .25s ease;
    overflow: hidden;
    position: relative;
}
.logo-card:hover .logo-box,
.logo-card:focus .logo-box {
    border-color: var(--c-primary);
    box-shadow: 0 8px 20px rgba(22,93,255,.18);
    transform: translateY(-2px);
}
.logo-card-accent:hover .logo-box {
    border-color: #ea580c;
    box-shadow: 0 8px 20px rgba(234,88,12,.18);
}

/* ========== Logo 卡片悬停遮罩 + 文字 ========== */
.logo-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,37,64,.88), rgba(6,22,42,.92));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8px 12px;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
    z-index: 2;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.logo-card:hover .logo-overlay,
.logo-card:focus .logo-overlay {
    opacity: 1;
    visibility: visible;
}
.logo-overlay .lo-name {
    font-size: 20px;
    font-weight: 800;
    color: #fde047;
    line-height: 1.3;
    margin-bottom: 3px;
}
.logo-overlay .lo-meta {
    font-size: 10.5px;
    font-weight: 500;
    color: rgba(226,232,240,.88);
    line-height: 1.35;
    font-style: normal;
}
.logo-card-accent .logo-overlay {
    background: linear-gradient(180deg, rgba(120,53,15,.9), rgba(69,26,3,.94));
}
.logo-card-accent .logo-overlay .lo-name {
    color: #fed7aa;
}

/* ========== Tooltip：悬停时在 Logo 上方浮现 ========== */
.logo-tip {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(6px);
    min-width: 200px;
    max-width: 280px;
    background: linear-gradient(180deg, #0a2540, #06162a);
    color: #fff;
    padding: 10px 14px 11px;
    border-radius: 10px;
    box-shadow: 0 10px 24px rgba(0,0,0,.22);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    z-index: 10;
    line-height: 1.4;
    border: 1px solid rgba(120,180,255,.25);
}
.logo-tip::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -6px;
    transform: translateX(-50%) rotate(45deg);
    width: 11px;
    height: 11px;
    background: #06162a;
    border-right: 1px solid rgba(120,180,255,.25);
    border-bottom: 1px solid rgba(120,180,255,.25);
}
.logo-tip b {
    display: block;
    font-size: 13px;
    font-weight: 800;
    color: #fde047;
    margin-bottom: 3px;
}
.logo-tip i {
    display: block;
    font-style: normal;
    font-size: 11.5px;
    font-weight: 500;
    color: rgba(226,232,240,.88);
}
.logo-card:hover .logo-tip,
.logo-card:focus .logo-tip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

@keyframes scroll-x {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
/* 供应商 logo 墙：从左向右滚动（反向） */
@keyframes scroll-x-reverse {
    from { transform: translateX(-50%); }
    to   { transform: translateX(0); }
}
@media (max-width: 860px) {
    .logo-wall { padding: 20px 0 22px; }
    .logo-wall-label { font-size: 10px; margin-bottom: 10px; letter-spacing: .1em; }
    .logo-track-inner { gap: 16px; }
    .logo-card { width: 120px; }
    .logo-box { padding: 4px; }
    .logo-tip { min-width: 180px; padding: 9px 12px; }
    .logo-tip b { font-size: 12px; }
    .logo-tip i { font-size: 11px; }
    .logo-overlay .lo-name { font-size: 16px; }
    .logo-overlay .lo-meta { font-size: 11px; }
}
@media (max-width: 560px) {
    .logo-card { width: 108px; }
    .logo-tip { min-width: 170px; bottom: calc(100% + 8px); }
    .logo-overlay { padding: 6px 8px; }
    .logo-overlay .lo-name { font-size: 14px; }
    .logo-overlay .lo-meta { font-size: 10px; }
}


/* =================================================================
   ===== NEW SECTION · WELDING GALLERY（焊接照片墙） =====
   ================================================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.gal-card {
    position: relative;
    border-radius: var(--r-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/2;
    box-shadow: var(--sh-sm);
    transition: all .3s ease;
}
.gal-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sh-lg);
}

/* 每格内的轮播 */
.gal-slides {
    position: absolute;
    inset: 0;
}
.gal-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease;
}
.gal-slide.active {
    opacity: 1;
}
.gal-slide svg {
    width: 100%;
    height: 100%;
    display: block;
}

.gal-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,25,47,.92) 0%, rgba(10,25,47,.5) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity .3s ease;
    z-index: 2;
}
.gal-card:hover .gal-overlay {
    opacity: 1;
}
.gal-tag {
    display: inline-block;
    align-self: flex-start;
    padding: 4px 10px;
    background: var(--c-primary);
    color: #fff;
    font-size: 10.5px;
    font-weight: 700;
    border-radius: 999px;
    margin-bottom: 8px;
    letter-spacing: .3px;
}
.gal-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 4px;
    line-height: 1.3;
}
.gal-desc {
    font-size: 12.5px;
    color: rgba(255,255,255,.8);
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 960px) {
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}
@media (max-width: 560px) {
    .gallery-grid { grid-template-columns: 1fr; gap: 12px; }
    .gal-filter { padding: 6px 14px; font-size: 12px; }
    .gal-title { font-size: 14px; }
    .gal-desc { font-size: 11.5px; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* =================================================================
   ===== NEW SECTION · WELD SAMPLE GALLERY（焊接效果图 6 卡片） =====
   ================================================================= */
.sample-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}
.sample-card {
    overflow: hidden;
    transition: all .35s ease;
}
.sample-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.15);
    z-index: 2;
    position: relative;
}
.sample-img {
    position: relative;
    aspect-ratio: 400 / 260;
    overflow: hidden;
}
.sample-img svg {
    transition: transform .5s ease;
}
.sample-card:hover .sample-img svg {
    transform: scale(1.06);
}
.sample-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 11px;
    background: linear-gradient(90deg, rgba(251,191,36,.22), rgba(249,115,22,.22));
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff7cc;
    border-radius: var(--r-xl);
    border: 1px solid rgba(252,211,77,.35);
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: .01em;
    line-height: 1.3;
}
@media (max-width: 1024px) {
    .sample-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .sample-grid { grid-template-columns: 1fr; }
}


/* =================================================================
   ===== CTA 改造 · 内嵌询盘表单（压缩版）=====
   ================================================================= */
.cta-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 36px;
    align-items: stretch;
}
.cta-left {
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 10px 0;
}
.cta-left .cta-title,
.cta-left .cta-sub { text-align: left; }
.cta-left .cta-title {
    font-size: 38px;
    line-height: 1.25;
    margin-bottom: 18px;
}
.cta-left .cta-sub {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 26px;
}
.cta-left .cta-benefits {
    gap: 14px;
    margin: 0;
}
.cta-left .cta-benefit {
    font-size: 15px;
    line-height: 1.6;
}
.cta-left .cta-benefit .check {
    width: 26px;
    height: 26px;
    font-size: 14px;
}
.cta-left .cta-benefit .cta-check-svg {
    width: 16px;
    height: 16px;
    color: #fff;
}
.inquiry-form {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: var(--r-lg);
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 10px;
}
.form-group { margin-bottom: 10px; }
.inquiry-form label {
    display: block;
    font-size: 11.5px;
    font-weight: 700;
    color: rgba(255,255,255,.85);
    margin-bottom: 5px;
    letter-spacing: .02em;
}
.inquiry-form label .req { color: #ff8a1f; margin-left: 2px; }
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
    width: 100%;
    padding: 9px 12px;
    border-radius: 7px;
    border: 1px solid rgba(255,255,255,.2);
    background: rgba(255,255,255,.08);
    color: #fff;
    font-size: 13px;
    font-family: inherit;
    transition: border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
    outline: none;
}
.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder {
    color: rgba(255,255,255,.45);
    font-family: inherit;
    opacity: 1;
}
.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
    border-color: var(--c-cta);
    background: rgba(255,255,255,.14);
    box-shadow: 0 0 0 3px rgba(255,125,0,.2);
}
.inquiry-form select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 36px;
}
.inquiry-form select option {
    background: var(--c-primary-d);
    color: #fff;
}
.inquiry-form textarea {
    resize: vertical;
    min-height: 70px;
}

/* 联系方式组合字段：左侧选择类型 + 右侧输入号码 */
.contact-combo {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px;
}
.contact-combo .contact-type {
    padding-right: 30px;
}
.form-submit {
    width: 100%;
    padding: 11px;
    border-radius: 8px;
    background: var(--c-cta);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    border: 0;
    cursor: pointer;
    transition: all .25s ease;
    box-shadow: var(--sh-cta);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.form-submit:hover {
    background: var(--c-cta-hover);
    transform: translateY(-2px);
}
.submit-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}
.submit-icon-svg {
    width: 16px;
    height: 16px;
    color: #fff;
}


/* 覆盖/补充 CTA 全局样式（压缩版） */
.cta-title {
    font-size: 30px; line-height: 1.2; font-weight: 800;
    margin: 0 0 12px; color: #fff;
}
.cta-sub {
    font-size: 14.5px; line-height: 1.7;
    color: rgba(255,255,255,.9); margin: 0 0 20px;
}
.cta-benefits {
    display: grid; gap: 7px; max-width: 620px; margin: 0 0 20px; text-align: left;
}
.cta-benefit { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.95); font-size: 13.5px; line-height: 1.5; }
.cta-benefit .check {
    width: 19px; height: 19px; border-radius: 50%;
    background: var(--c-cta); color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 11px; flex-shrink: 0;
}
.cta-benefit .cta-check-svg {
    width: 12px;
    height: 12px;
    color: #fff;
}

@media (max-width: 960px) {
    .cta-grid { grid-template-columns: 1fr; gap: 26px; }
    .cta-left .cta-title,
    .cta-left .cta-sub { text-align: center; }
    .cta-left .cta-benefits { max-width: 100%; margin-left: auto; margin-right: auto; }
}
@media (max-width: 560px) {
    .form-row { grid-template-columns: 1fr; }
    .contact-combo { grid-template-columns: 1fr; }
    .inquiry-form { padding: 18px; }
    .cta-title { font-size: 24px; }
}


/* =================================================================
   ===== NEW SECTION · EXHIBITION 2026（单横幅 + 文字无缝跑马灯·精简版）=====
   ================================================================= */
.exhibition-section {
    background: linear-gradient(180deg, #0a1d3a 0%, #0d2a50 100%);
    padding: 28px 0 32px;
    border-top: 1px solid rgba(255,255,255,.06);
}
.exh-banner-single {
    display: grid;
    grid-template-columns: 0.95fr 1.25fr;
    gap: 24px;
    align-items: stretch;
    background: linear-gradient(135deg, rgba(255,125,0,.08) 0%, rgba(22,93,255,.10) 100%);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 14px;
    padding: 24px 26px;
    position: relative;
    overflow: hidden;
}
.exh-banner-single::before {
    content: '';
    position: absolute;
    right: -80px; top: -80px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(255,214,102,.18) 0%, transparent 70%);
    pointer-events: none;
}
.exh-banner-left {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}
.exh-badge-2026 {
    display: inline-block;
    align-self: flex-start;
    padding: 5px 12px;
    background: rgba(255,125,0,.18);
    border: 1px solid rgba(255,125,0,.35);
    color: #FFD666;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 2px;
}
.exh-banner-h3 {
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0;
    max-width: 480px;
}
.exh-banner-p {
    color: rgba(255,255,255,.7);
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
    max-width: 520px;
}
.exh-banner-cta {
    display: flex;
    gap: 10px;
    margin-top: 6px;
    flex-wrap: wrap;
}
.exh-banner-cta .btn { padding: 9px 18px; font-size: 13px; border-radius: 8px; }

/* ===== 跑马灯 ===== */
.exh-marquee {
    position: relative;
    z-index: 1;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
    display: flex;
    align-items: center;
    min-height: 180px;
}
.exh-marquee-track {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: max-content;
    animation: exh-scroll-y 38s linear infinite;
}
.exh-marquee:hover .exh-marquee-track { animation-play-state: paused; }
@keyframes exh-scroll-y {
    from { transform: translateY(0); }
    to   { transform: translateY(-50%); }
}
.exh-chip {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.09);
    border-left: 3px solid var(--c-cta);
    border-radius: 10px;
    padding: 10px 16px 11px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 420px;
    transition: background .2s ease;
}
.exh-chip:hover {
    background: rgba(255,125,0,.10);
    border-left-color: #FFD666;
}
.exh-chip b {
    color: #fff;
    font-size: 13.5px;
    font-weight: 800;
    line-height: 1.3;
}
.exh-chip i {
    font-style: normal;
    color: rgba(255,255,255,.65);
    font-size: 12px;
    line-height: 1.4;
}